← All changes | authorizer.php +6968 -53 2.9.3 → 2.7.0 View file →

		@@ -1,71 +1,6986 @@
1	1	<?php
2		-/**
3		- * Plugin Name: Authorizer
4		- * Description: Authorizer limits login attempts, restricts access to specified users, and authenticates against external sources (e.g., Google, LDAP, or CAS).
5		- * Author: Paul Ryan <prar@hawaii.edu>
6		- * Plugin URI: https://github.com/uhm-coe/authorizer
7		- * Text Domain: authorizer
8		- * Domain Path: /languages
9		- * License: GPL2
10		- * Version: 2.9.3
11		- *
12		- * Portions forked from Restricted Site Access plugin:
13		- * http://wordpress.org/plugins/restricted-site-access/
14		- * Portions forked from wpCAS plugin:
15		- * http://wordpress.org/extend/plugins/cas-authentication/
16		- * Portions forked from Limit Login Attempts:
17		- * http://wordpress.org/plugins/limit-login-attempts/
18		- *
19		- * @package authorizer
20		- */
	2	+/*
	3	+Plugin Name: Authorizer
	4	+Plugin URI: https://github.com/uhm-coe/authorizer
	5	+Description: Authorizer limits login attempts, restricts access to specified users, and authenticates against external sources (e.g., Google, LDAP, or CAS).
	6	+Version: 2.7.0
	7	+Author: Paul Ryan
	8	+Author URI: http://www.linkedin.com/in/paulrryan/
	9	+Text Domain: authorizer
	10	+Domain Path: /languages
	11	+License: GPL2
	12	+*/
21	13
22		-namespace Authorizer;
23	14
24		-require_once dirname( __FILE__ ) . '/src/authorizer/abstract-class-static-instance.php';
	15	+/*
	16	+Copyright 2014 Paul Ryan (email: prar@hawaii.edu)
25	17
26		-require_once dirname( __FILE__ ) . '/src/authorizer/class-wp-plugin-authorizer.php';
	18	+This program is free software; you can redistribute it and/or modify
	19	+it under the terms of the GNU General Public License, version 2, as
	20	+published by the Free Software Foundation.
27	21
28		-require_once dirname( __FILE__ ) . '/src/authorizer/class-helper.php';
	22	+This program is distributed in the hope that it will be useful,
	23	+but WITHOUT ANY WARRANTY; without even the implied warranty of
	24	+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	25	+GNU General Public License for more details.
29	26
30		-require_once dirname( __FILE__ ) . '/src/authorizer/class-updates.php';
	27	+You should have received a copy of the GNU General Public License
	28	+along with this program; if not, write to the Free Software
	29	+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	30	+*/
31	31
32		-require_once dirname( __FILE__ ) . '/src/authorizer/class-authentication.php';
33		-require_once dirname( __FILE__ ) . '/src/authorizer/class-authorization.php';
34		-require_once dirname( __FILE__ ) . '/src/authorizer/class-login-form.php';
35		-require_once dirname( __FILE__ ) . '/src/authorizer/class-dashboard-widget.php';
36		-require_once dirname( __FILE__ ) . '/src/authorizer/class-ajax-endpoints.php';
37		-require_once dirname( __FILE__ ) . '/src/authorizer/class-sync-userdata.php';
38		-require_once dirname( __FILE__ ) . '/src/authorizer/class-admin-page.php';
39	32
40		-require_once dirname( __FILE__ ) . '/src/authorizer/class-options.php';
	33	+/*
	34	+Portions forked from Restricted Site Access plugin: http://wordpress.org/plugins/restricted-site-access/
	35	+Portions forked from wpCAS plugin: http://wordpress.org/extend/plugins/cas-authentication/
	36	+Portions forked from Limit Login Attempts: http://wordpress.org/plugins/limit-login-attempts/
	37	+*/
41	38
42		-require_once dirname( __FILE__ ) . '/src/authorizer/options/class-access-lists.php';
43		-require_once dirname( __FILE__ ) . '/src/authorizer/options/class-login-access.php';
44		-require_once dirname( __FILE__ ) . '/src/authorizer/options/class-public-access.php';
45		-require_once dirname( __FILE__ ) . '/src/authorizer/options/class-external.php';
46	39
47		-require_once dirname( __FILE__ ) . '/src/authorizer/options/external/class-google.php';
48		-require_once dirname( __FILE__ ) . '/src/authorizer/options/external/class-cas.php';
49		-require_once dirname( __FILE__ ) . '/src/authorizer/options/external/class-ldap.php';
	40	+define( 'MULTISITE_ADMIN', 'multisite_admin' );
	41	+define( 'SINGLE_ADMIN', 'single_admin' );
50	42
51		-require_once dirname( __FILE__ ) . '/src/authorizer/options/class-advanced.php';
52	43
53		-/**
54		- * Add phpCAS library if it's not included.
55		- *
56		- * @see https://wiki.jasig.org/display/CASC/phpCAS+installation+guide
57		- */
	44	+// Add phpCAS library if it's not included.
	45	+// @see https://wiki.jasig.org/display/CASC/phpCAS+installation+guide
58	46	if ( ! defined( 'PHPCAS_VERSION' ) ) {
59		- require_once dirname( __FILE__ ) . '/vendor/phpCAS-1.3.6/CAS.php';
	47	+ require_once dirname( __FILE__ ) . '/vendor/CAS-1.3.5/CAS.php';
60	48	}
61	49
62		-/**
63		- * Helper function to always return the path to the plugin's entry point. Used
64		- * when locating asset paths using plugins_url().
65		- */
66		-function plugin_root() {
67		- return __FILE__;
	50	+
	51	+if ( ! class_exists( 'WP_Plugin_Authorizer' ) ) {
	52	+ /**
	53	+ * Define class for plugin: Authorizer.
	54	+ *
	55	+ * @category Authentication
	56	+ * @package Authorizer
	57	+ * @author Paul Ryan <prar@hawaii.edu>
	58	+ * @license http://www.gnu.org/licenses/gpl-2.0.html GPL2
	59	+ * @link http://hawaii.edu/coe/dcdc/wordpress/authorizer/doc/
	60	+ */
	61	+ class WP_Plugin_Authorizer {
	62	+
	63	+ /**
	64	+ * Properties.
	65	+ */
	66	+ public $current_site_blog_id = 1;
	67	+
	68	+ /**
	69	+ * Constructor.
	70	+ */
	71	+ public function __construct() {
	72	+ // Save reference to current blog id in the network (support deprecated
	73	+ // constant BLOGID_CURRENT_SITE).
	74	+ if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
	75	+ $this->current_site_blog_id = BLOG_ID_CURRENT_SITE;
	76	+ } elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated.
	77	+ $this->current_site->blog_id = BLOGID_CURRENT_SITE;
	78	+ }
	79	+
	80	+ // Installation and uninstallation hooks.
	81	+ register_activation_hook( __FILE__, array( $this, 'activate' ) );
	82	+ register_deactivation_hook( __FILE__, array( $this, 'deactivate' ) );
	83	+
	84	+ // Register filters.
	85	+
	86	+ // Custom wp authentication routine using external service.
	87	+ add_filter( 'authenticate', array( $this, 'custom_authenticate' ), 1, 3 );
	88	+
	89	+ // Custom logout action using external service.
	90	+ add_action( 'wp_logout', array( $this, 'custom_logout' ) );
	91	+
	92	+ // Removing this bypasses Wordpress authentication (so if external auth fails,
	93	+ // no one can log in); with it enabled, it will run if external auth fails.
	94	+ //remove_filter('authenticate', 'wp_authenticate_username_password', 20, 3);
	95	+
	96	+ // Create settings link on Plugins page
	97	+ add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_settings_link' ) );
	98	+ add_filter( 'network_admin_plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'network_admin_plugin_settings_link' ) );
	99	+
	100	+ // Modify login page with a custom password url (if option is set).
	101	+ add_filter( 'lostpassword_url', array( $this, 'custom_lostpassword_url' ) );
	102	+
	103	+ // If we have a custom login error, add the filter to show it.
	104	+ $error = get_option( 'auth_settings_advanced_login_error' );
	105	+ if ( $error && strlen( $error ) > 0 ) {
	106	+ add_filter( 'login_errors', array( $this, 'show_advanced_login_error' ) );
	107	+ }
	108	+
	109	+ // Register actions.
	110	+
	111	+ // Enable localization. Translation files stored in /languages.
	112	+ add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) );
	113	+
	114	+ // Perform plugin updates if newer version installed.
	115	+ add_action( 'plugins_loaded', array( $this, 'auth_update_check' ) );
	116	+
	117	+ // Update the user meta with this user's failed login attempt.
	118	+ add_action( 'wp_login_failed', array( $this, 'update_login_failed_count' ) );
	119	+
	120	+ // Add users who successfully login to the approved list.
	121	+ add_action( 'wp_login', array( $this, 'ensure_wordpress_user_in_approved_list_on_login' ), 10, 2 );
	122	+
	123	+ // Create menu item in Settings
	124	+ add_action( 'admin_menu', array( $this, 'add_plugin_page' ) );
	125	+
	126	+ // Create options page
	127	+ add_action( 'admin_init', array( $this, 'page_init' ) );
	128	+
	129	+ // Update user role in approved list if it's changed in the WordPress edit user page.
	130	+ add_action( 'user_profile_update_errors', array( $this, 'edit_user_profile_update_role' ), 10, 3 );
	131	+
	132	+ // Update user email in approved list if it's changed in the WordPress edit user page.
	133	+ add_filter( 'send_email_change_email', array( $this, 'edit_user_profile_update_email' ), 10, 3 );
	134	+
	135	+ // Enqueue javascript and css on the plugin's options page, the
	136	+ // dashboard (for the widget), and the network admin.
	137	+ add_action( 'load-settings_page_authorizer', array( $this, 'load_options_page' ) );
	138	+ add_action( 'admin_head-index.php', array( $this, 'load_options_page' ) );
	139	+ add_action( 'load-toplevel_page_authorizer', array( $this, 'load_options_page' ) );
	140	+
	141	+ // Add custom css and js to wp-login.php
	142	+ add_action( 'login_enqueue_scripts', array( $this, 'login_enqueue_scripts_and_styles' ) );
	143	+ add_action( 'login_footer', array( $this, 'load_login_footer_js' ) );
	144	+
	145	+ // Create google nonce cookie when loading wp-login.php if Google is enabled.
	146	+ add_action( 'login_init', array( $this, 'login_init__maybe_set_google_nonce_cookie' ) );
	147	+
	148	+ // Modify login page with external auth links (if enabled; e.g., google or cas)
	149	+ add_action( 'login_form', array( $this, 'login_form_add_external_service_links' ) );
	150	+
	151	+ // Redirect to CAS login when visiting login page (only if option is
	152	+ // enabled, CAS is the only service, and WordPress logins are hidden).
	153	+ // Note: hook into wp_login_errors filter so this fires after the
	154	+ // authenticate hook (where the redirect to CAS happens), but before html
	155	+ // output is started (so the redirect header doesn't complain about data
	156	+ // already being sent).
	157	+ add_filter( 'wp_login_errors', array( $this, 'wp_login_errors__maybe_redirect_to_cas' ), 10, 2 );
	158	+
	159	+ // Verify current user has access to page they are visiting
	160	+ add_action( 'parse_request', array( $this, 'restrict_access' ), 9 );
	161	+ add_action( 'init', array( $this, 'init__maybe_add_network_approved_user' ) );
	162	+
	163	+ // ajax save options from dashboard widget
	164	+ add_action( 'wp_ajax_update_auth_user', array( $this, 'ajax_update_auth_user' ) );
	165	+
	166	+ // ajax save options from multisite options page
	167	+ add_action( 'wp_ajax_save_auth_multisite_settings', array( $this, 'ajax_save_auth_multisite_settings' ) );
	168	+
	169	+ // ajax save usermeta from options page
	170	+ add_action( 'wp_ajax_update_auth_usermeta', array( $this, 'ajax_update_auth_usermeta' ) );
	171	+
	172	+ // ajax verify google login
	173	+ add_action( 'wp_ajax_process_google_login', array( $this, 'ajax_process_google_login' ) );
	174	+ add_action( 'wp_ajax_nopriv_process_google_login', array( $this, 'ajax_process_google_login' ) );
	175	+
	176	+ // ajax refresh approved user list
	177	+ add_action( 'wp_ajax_refresh_approved_user_list', array( $this, 'ajax_refresh_approved_user_list' ) );
	178	+
	179	+ // Add dashboard widget so instructors can add/edit users with access.
	180	+ // Hint: For Multisite Network Admin Dashboard use wp_network_dashboard_setup instead of wp_dashboard_setup.
	181	+ add_action( 'wp_dashboard_setup', array( $this, 'add_dashboard_widgets' ) );
	182	+
	183	+ // If we have a custom admin message, add the action to show it.
	184	+ $notice = get_option( 'auth_settings_advanced_admin_notice' );
	185	+ if ( $notice && strlen( $notice ) > 0 ) {
	186	+ add_action( 'admin_notices', array( $this, 'show_advanced_admin_notice' ) );
	187	+ add_action( 'network_admin_notices', array( $this, 'show_advanced_admin_notice' ) );
	188	+ }
	189	+
	190	+ // Load custom javascript for the main site (e.g., for displaying alerts).
	191	+ add_action( 'wp_enqueue_scripts', array( $this, 'auth_public_scripts' ), 20 );
	192	+
	193	+ // Multisite-specific actions.
	194	+ if ( is_multisite() ) {
	195	+ // Add network admin options page (global settings for all sites)
	196	+ add_action( 'network_admin_menu', array( $this, 'network_admin_menu' ) );
	197	+ }
	198	+
	199	+ // Remove user from authorizer lists when that user is deleted in WordPress.
	200	+ add_action( 'delete_user', array( $this, 'remove_user_from_authorizer_when_deleted' ) );
	201	+ if ( is_multisite() ) {
	202	+ // Remove multisite user from authorizer lists when that user is deleted from Network Users.
	203	+ add_action( 'remove_user_from_blog', array( $this, 'remove_network_user_from_site_when_removed' ), 10, 2 );
	204	+ add_action( 'wpmu_delete_user', array( $this, 'remove_network_user_from_authorizer_when_deleted' ) );
	205	+ }
	206	+
	207	+ // Add user to authorizer approved list when that user is added to a blog from the Users screen.
	208	+ // Multisite: invite_user action fired when adding (inviting) an existing network user to the current site (with email confirmation).
	209	+ add_action( 'invite_user', array( $this, 'add_existing_user_to_authorizer_when_created' ), 10, 3 );
	210	+ // Multisite: added_existing_user action fired when adding an existing network user to the current site (without email confirmation).
	211	+ add_action( 'added_existing_user', array( $this, 'add_existing_user_to_authorizer_when_created_noconfirmation' ), 10, 2 );
	212	+ // Multisite: after_signup_user action fired when adding a new user to the site (with or without email confirmation).
	213	+ add_action( 'after_signup_user', array( $this, 'add_new_user_to_authorizer_when_created' ), 10, 4 );
	214	+ // Single site: edit_user_created_user action fired when adding a new user to the site (with or without email notification).
	215	+ add_action( 'edit_user_created_user', array( $this, 'add_new_user_to_authorizer_when_created_single_site' ), 10, 2 );
	216	+
	217	+ // Add user to network approved users (and remove from individual sites)
	218	+ // when user is elevated to super admin status.
	219	+ add_action( 'grant_super_admin', array( $this, 'grant_super_admin__add_to_network_approved' ) );
	220	+ // Remove user from network approved users (and add them to the approved
	221	+ // list on sites they are already on) when super admin status is removed.
	222	+ add_action( 'revoke_super_admin', array( $this, 'revoke_super_admin__remove_from_network_approved' ) );
	223	+
	224	+ }
	225	+
	226	+
	227	+ /**
	228	+ * Plugin activation hook.
	229	+ * Will also activate the plugin for all sites/blogs if this is a "Network enable."
	230	+ *
	231	+ * @return void
	232	+ */
	233	+ public function activate() {
	234	+ global $wpdb;
	235	+
	236	+ // If we're in a multisite environment, run the plugin activation for each site when network enabling
	237	+ if ( is_multisite() && isset( $_GET['networkwide'] ) && $_GET['networkwide'] == 1 ) {
	238	+
	239	+ // Add super admins to the multisite approved list.
	240	+ $auth_multisite_settings_access_users_approved = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', array() );
	241	+ $should_update_auth_multisite_settings_access_users_approved = false;
	242	+ foreach ( get_super_admins() as $super_admin ) {
	243	+ $user = get_user_by( 'login', $super_admin );
	244	+ // Add to approved list if not there.
	245	+ if ( ! $this->in_multi_array( $user->user_email, $auth_multisite_settings_access_users_approved ) ) {
	246	+ $approved_user = array(
	247	+ 'email' => $this->lowercase( $user->user_email ),
	248	+ 'role' => count( $user->roles ) > 0 ? $user->roles[0] : 'administrator',
	249	+ 'date_added' => date( 'M Y', strtotime( $user->user_registered ) ),
	250	+ 'local_user' => true,
	251	+ );
	252	+ array_push( $auth_multisite_settings_access_users_approved, $approved_user );
	253	+ $should_update_auth_multisite_settings_access_users_approved = true;
	254	+ }
	255	+ }
	256	+ if ( $should_update_auth_multisite_settings_access_users_approved ) {
	257	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	258	+ }
	259	+
	260	+ // Run plugin activation on each site in the network.
	261	+ $current_blog_id = $wpdb->blogid;
	262	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	263	+ foreach ( $sites as $site ) {
	264	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	265	+ switch_to_blog( $blog_id );
	266	+ // Set default plugin options and add current users to approved list.
	267	+ $this->set_default_options();
	268	+ $this->add_wp_users_to_approved_list();
	269	+ }
	270	+ switch_to_blog( $current_blog_id );
	271	+
	272	+ } else {
	273	+ // Set default plugin options and add current users to approved list.
	274	+ $this->set_default_options();
	275	+ $this->add_wp_users_to_approved_list();
	276	+ }
	277	+
	278	+ }
	279	+
	280	+
	281	+ /**
	282	+ * Adds all WordPress users in the current site to the approved list,
	283	+ * unless they are already in the blocked list. Also removes them
	284	+ * from the pending list if they are there.
	285	+ *
	286	+ * Runs in plugin activation hook.
	287	+ *
	288	+ * @return void
	289	+ */
	290	+ private function add_wp_users_to_approved_list() {
	291	+ // Add current WordPress users to the approved list.
	292	+ $auth_multisite_settings_access_users_approved = is_multisite() ? get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', array() ) : array();
	293	+ $auth_settings_access_users_pending = $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN );
	294	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	295	+ $auth_settings_access_users_blocked = $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN );
	296	+ $updated = false;
	297	+ foreach ( get_users() as $user ) {
	298	+ // Skip if user is in blocked list.
	299	+ if ( $this->in_multi_array( $user->user_email, $auth_settings_access_users_blocked ) ) {
	300	+ continue;
	301	+ }
	302	+ // Remove from pending list if there.
	303	+ foreach ( $auth_settings_access_users_pending as $key => $pending_user ) {
	304	+ if ( 0 === strcasecmp( $pending_user['email'], $user->user_email ) ) {
	305	+ unset( $auth_settings_access_users_pending[$key] );
	306	+ $updated = true;
	307	+ }
	308	+ }
	309	+ // Skip if user is in multisite approved list.
	310	+ if ( $this->in_multi_array( $user->user_email, $auth_multisite_settings_access_users_approved ) ) {
	311	+ continue;
	312	+ }
	313	+ // Add to approved list if not there.
	314	+ if ( ! $this->in_multi_array( $user->user_email, $auth_settings_access_users_approved ) ) {
	315	+ $approved_user = array(
	316	+ 'email' => $this->lowercase( $user->user_email ),
	317	+ 'role' => count( $user->roles ) > 0 ? $user->roles[0] : '',
	318	+ 'date_added' => date( 'M Y', strtotime( $user->user_registered ) ),
	319	+ 'local_user' => true,
	320	+ );
	321	+ array_push( $auth_settings_access_users_approved, $approved_user );
	322	+ $updated = true;
	323	+ }
	324	+ }
	325	+ if ( $updated ) {
	326	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	327	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	328	+ }
	329	+ }
	330	+
	331	+
	332	+ /**
	333	+ * Plugin deactivation.
	334	+ *
	335	+ * @return void
	336	+ */
	337	+ public function deactivate() {
	338	+ // Do nothing.
	339	+ }
	340	+
	341	+
	342	+
	343	+ /**
	344	+ * ***************************
	345	+ * External Authentication
	346	+ * ***************************
	347	+ */
	348	+
	349	+
	350	+
	351	+ /**
	352	+ * Authenticate against an external service.
	353	+ *
	354	+ * @param WP_User $user user to authenticate
	355	+ * @param string $username optional username to authenticate.
	356	+ * @param string $password optional password to authenticate.
	357	+ *
	358	+ * @return WP_User or WP_Error
	359	+ */
	360	+ public function custom_authenticate( $user, $username, $password ) {
	361	+ // Pass through if already authenticated.
	362	+ if ( is_a( $user, 'WP_User' ) ) {
	363	+ return $user;
	364	+ } else {
	365	+ $user = null;
	366	+ }
	367	+
	368	+ // If username and password are blank, this isn't a log in attempt
	369	+ $is_login_attempt = strlen( $username ) > 0 && strlen( $password ) > 0;
	370	+
	371	+ // Check to make sure that $username is not locked out due to too
	372	+ // many invalid login attempts. If it is, tell the user how much
	373	+ // time remains until they can try again.
	374	+ $unauthenticated_user = $is_login_attempt ? get_user_by( 'login', $username ) : false;
	375	+ $unauthenticated_user_is_blocked = false;
	376	+ if ( $is_login_attempt && $unauthenticated_user !== false ) {
	377	+ $last_attempt = get_user_meta( $unauthenticated_user->ID, 'auth_settings_advanced_lockouts_time_last_failed', true );
	378	+ $num_attempts = get_user_meta( $unauthenticated_user->ID, 'auth_settings_advanced_lockouts_failed_attempts', true );
	379	+ // Also check the auth_blocked user_meta flag (users in blocked list will get this flag)
	380	+ $unauthenticated_user_is_blocked = get_user_meta( $unauthenticated_user->ID, 'auth_blocked', true ) === 'yes';
	381	+ } else {
	382	+ $last_attempt = get_option( 'auth_settings_advanced_lockouts_time_last_failed' );
	383	+ $num_attempts = get_option( 'auth_settings_advanced_lockouts_failed_attempts' );
	384	+ }
	385	+
	386	+ // Inactive users should be treated like deleted users (we just
	387	+ // do this to preserve any content they created, but here we should
	388	+ // pretend they don't exist).
	389	+ if ( $unauthenticated_user_is_blocked ) {
	390	+ remove_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 );
	391	+ return new WP_Error( 'empty_password', __( '<strong>ERROR</strong>: Incorrect username or password.', 'authorizer' ) );
	392	+ }
	393	+
	394	+ // Grab plugin settings.
	395	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	396	+
	397	+ // Make sure $last_attempt (time) and $num_attempts are positive integers.
	398	+ // Note: this addresses resetting them if either is unset from above.
	399	+ $last_attempt = abs( intval( $last_attempt ) );
	400	+ $num_attempts = abs( intval( $num_attempts ) );
	401	+
	402	+ // Create semantic lockout variables.
	403	+ $lockouts = $auth_settings['advanced_lockouts'];
	404	+ $time_since_last_fail = time() - $last_attempt;
	405	+ $reset_duration = $lockouts['reset_duration'] * 60; // minutes to seconds
	406	+ $num_attempts_long_lockout = $lockouts['attempts_1'] + $lockouts['attempts_2'];
	407	+ $num_attempts_short_lockout = $lockouts['attempts_1'];
	408	+ $seconds_remaining_long_lockout = $lockouts['duration_2'] * 60 - $time_since_last_fail;
	409	+ $seconds_remaining_short_lockout = $lockouts['duration_1'] * 60 - $time_since_last_fail;
	410	+
	411	+ // Check if we need to institute a lockout delay
	412	+ if ( $is_login_attempt && $time_since_last_fail > $reset_duration ) {
	413	+ // Enough time has passed since the last invalid attempt and
	414	+ // now that we can reset the failed attempt count, and let this
	415	+ // login attempt go through.
	416	+ $num_attempts = 0; // This does nothing, but include it for semantic meaning.
	417	+ } elseif ( $is_login_attempt && $num_attempts > $num_attempts_long_lockout && $seconds_remaining_long_lockout > 0 ) {
	418	+ // Stronger lockout (1st/2nd round of invalid attempts reached)
	419	+ // Note: set the error code to 'empty_password' so it doesn't
	420	+ // trigger the wp_login_failed hook, which would continue to
	421	+ // increment the failed attempt count.
	422	+ remove_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 );
	423	+ return new WP_Error(
	424	+ 'empty_password',
	425	+ sprintf(
	426	+ __( '<strong>ERROR</strong>: There have been too many invalid login attempts for the username <strong>%1$s</strong>. Please wait <strong id="seconds_remaining" data-seconds="%2$s">%3$s</strong> before trying again. <a href="%4$s" title="Password Lost and Found">Lost your password</a>?', 'authorizer' ),
	427	+ $username,
	428	+ $seconds_remaining_long_lockout,
	429	+ $this->seconds_as_sentence( $seconds_remaining_long_lockout ),
	430	+ wp_lostpassword_url()
	431	+ )
	432	+ );
	433	+ } elseif ( $is_login_attempt && $num_attempts > $num_attempts_short_lockout && $seconds_remaining_short_lockout > 0 ) {
	434	+ // Normal lockout (1st round of invalid attempts reached)
	435	+ // Note: set the error code to 'empty_password' so it doesn't
	436	+ // trigger the wp_login_failed hook, which would continue to
	437	+ // increment the failed attempt count.
	438	+ remove_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 );
	439	+ return new WP_Error(
	440	+ 'empty_password',
	441	+ sprintf(
	442	+ __( '<strong>ERROR</strong>: There have been too many invalid login attempts for the username <strong>%1$s</strong>. Please wait <strong id="seconds_remaining" data-seconds="%2$s">%3$s</strong> before trying again. <a href="%4$s" title="Password Lost and Found">Lost your password</a>?', 'authorizer' ),
	443	+ $username,
	444	+ $seconds_remaining_short_lockout,
	445	+ $this->seconds_as_sentence( $seconds_remaining_short_lockout ),
	446	+ wp_lostpassword_url()
	447	+ )
	448	+ );
	449	+ }
	450	+
	451	+ // Start external authentication.
	452	+ $externally_authenticated_emails = array();
	453	+ $authenticated_by = '';
	454	+ $result = null;
	455	+
	456	+ // Try Google authentication if it's enabled and we don't have a
	457	+ // successful login yet.
	458	+ if (
	459	+ $auth_settings['google'] === '1' &&
	460	+ count( $externally_authenticated_emails ) === 0 &&
	461	+ ! is_wp_error( $result )
	462	+ ) {
	463	+ $result = $this->custom_authenticate_google( $auth_settings );
	464	+ if ( ! is_null( $result ) && ! is_wp_error( $result ) ) {
	465	+ if ( is_array( $result['email'] ) ) {
	466	+ $externally_authenticated_emails = $result['email'];
	467	+ } else {
	468	+ $externally_authenticated_emails[] = $result['email'];
	469	+ }
	470	+ $authenticated_by = $result['authenticated_by'];
	471	+ }
	472	+ }
	473	+
	474	+ // Try CAS authentication if it's enabled and we don't have a
	475	+ // successful login yet.
	476	+ if (
	477	+ $auth_settings['cas'] === '1' &&
	478	+ count( $externally_authenticated_emails ) === 0 &&
	479	+ ! is_wp_error( $result )
	480	+ ) {
	481	+ $result = $this->custom_authenticate_cas( $auth_settings );
	482	+ if ( ! is_null( $result ) && ! is_wp_error( $result ) ) {
	483	+ if ( is_array( $result['email'] ) ) {
	484	+ $externally_authenticated_emails = $result['email'];
	485	+ } else {
	486	+ $externally_authenticated_emails[] = $result['email'];
	487	+ }
	488	+ $authenticated_by = $result['authenticated_by'];
	489	+ }
	490	+ }
	491	+
	492	+ // Try LDAP authentication if it's enabled and we don't have an
	493	+ // authenticated user yet.
	494	+ if (
	495	+ $auth_settings['ldap'] === '1' &&
	496	+ count( $externally_authenticated_emails ) === 0 &&
	497	+ ! is_wp_error( $result )
	498	+ ) {
	499	+ $result = $this->custom_authenticate_ldap( $auth_settings, $username, $password );
	500	+ if ( ! is_null( $result ) && ! is_wp_error( $result ) ) {
	501	+ if ( is_array( $result['email'] ) ) {
	502	+ $externally_authenticated_emails = $result['email'];
	503	+ } else {
	504	+ $externally_authenticated_emails[] = $result['email'];
	505	+ }
	506	+ $authenticated_by = $result['authenticated_by'];
	507	+ }
	508	+ }
	509	+
	510	+ // Skip to WordPress authentication if we don't have an externally
	511	+ // authenticated user.
	512	+ if ( count( array_filter( $externally_authenticated_emails ) ) < 1 ) {
	513	+ return $result;
	514	+ }
	515	+
	516	+ // Remove duplicate and blank emails, if any.
	517	+ $externally_authenticated_emails = array_filter( array_unique( $externally_authenticated_emails ) );
	518	+
	519	+ // If we've made it this far, we should have an externally
	520	+ // authenticated user. The following should be set:
	521	+ // $externally_authenticated_emails
	522	+ // $authenticated_by
	523	+
	524	+ // Get the external user's WordPress account by email address.
	525	+ foreach ( $externally_authenticated_emails as $externally_authenticated_email ) {
	526	+ $user = get_user_by( 'email', $this->lowercase( $externally_authenticated_email ) );
	527	+
	528	+ // If we've already found a WordPress user associated with one
	529	+ // of the supplied email addresses, don't keep examining other
	530	+ // email addresses associated with the externally authenticated user.
	531	+ if ( $user !== FALSE ) {
	532	+ break;
	533	+ }
	534	+ }
	535	+
	536	+ // Check this external user's access against the access lists
	537	+ // (pending, approved, blocked)
	538	+ $result = $this->check_user_access( $user, $externally_authenticated_emails, $result );
	539	+
	540	+ // Fail with message if there was an error creating/adding the user.
	541	+ if ( is_wp_error( $result ) || $result === 0 ) {
	542	+ return $result;
	543	+ }
	544	+
	545	+ // If we created a new user in check_user_access(), log that user in.
	546	+ if ( get_class( $result ) === 'WP_User' ) {
	547	+ $user = $result;
	548	+ }
	549	+
	550	+ // We'll track how this user was authenticated in user meta.
	551	+ if ( $user ) {
	552	+ update_user_meta( $user->ID, 'authenticated_by', $authenticated_by );
	553	+ }
	554	+
	555	+ // If we haven't exited yet, we have a valid/approved user, so authenticate them.
	556	+ return $user;
	557	+ }
	558	+
	559	+
	560	+ /**
	561	+ * This function will fail with a wp_die() message to the user if they
	562	+ * don't have access.
	563	+ *
	564	+ * @param WP_User $user User to check
	565	+ * @param [type] $user_emails Array of user's plaintext emails (in case current user doesn't have a WP account)
	566	+ * @param [type] $user_data Array of keys for email, username, first_name, last_name,
	567	+ * authenticated_by, google_attributes, cas_attributes, ldap_attributes.
	568	+ * @return WP_Error if there was an error on user creation / adding user to blog
	569	+ * wp_die() if user does not have access
	570	+ * null if user has access (success)
	571	+ * WP_User if user has access and a new account was created for them
	572	+ */
	573	+ private function check_user_access( $user, $user_emails, $user_data = array() ) {
	574	+ // Grab plugin settings.
	575	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	576	+ $auth_settings_access_users_pending = $this->sanitize_user_list(
	577	+ $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN )
	578	+ );
	579	+ $auth_settings_access_users_approved_single = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	580	+ $auth_settings_access_users_approved_multi = $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN );
	581	+ $auth_settings_access_users_approved = $this->sanitize_user_list(
	582	+ array_merge(
	583	+ $auth_settings_access_users_approved_single,
	584	+ $auth_settings_access_users_approved_multi
	585	+ )
	586	+ );
	587	+
	588	+ /**
	589	+ * Filter whether to block the currently logging in user based on any of
	590	+ * their user attributes.
	591	+ *
	592	+ * @param bool $allow_login Whether to block the currently logging in user.
	593	+ * @param array $user_data User data returned from external service.
	594	+ */
	595	+ $allow_login = apply_filters( 'authorizer_allow_login', true, $user_data );
	596	+ $blocked_by_filter = ! $allow_login; // Use this for better readability.
	597	+
	598	+ // Check our externally authenticated user against the block list.
	599	+ // If any of their email addresses are blocked, set the relevant user
	600	+ // meta field, and show them an error screen.
	601	+ foreach ( $user_emails as $user_email ) {
	602	+ if ( $blocked_by_filter || $this->is_email_in_list( $user_email, 'blocked' ) ) {
	603	+
	604	+ // Add user to blocked list if it was blocked via the filter.
	605	+ if ( $blocked_by_filter && ! $this->is_email_in_list( $user_email, 'blocked' ) ) {
	606	+ $auth_settings_access_users_blocked = $this->sanitize_user_list(
	607	+ $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN )
	608	+ );
	609	+ array_push( $auth_settings_access_users_blocked, array(
	610	+ 'email' => $this->lowercase( $user_email ),
	611	+ 'date_added' => date( 'M Y' ),
	612	+ ));
	613	+ update_option( 'auth_settings_access_users_blocked', $auth_settings_access_users_blocked );
	614	+ }
	615	+
	616	+ // If the blocked external user has a WordPress account, mark it as
	617	+ // blocked (enforce block in this->authenticate()).
	618	+ if ( $user ) {
	619	+ update_user_meta( $user->ID, 'auth_blocked', 'yes' );
	620	+ }
	621	+
	622	+ // Notify user about blocked status and return without authenticating them.
	623	+ $redirect_to = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : home_url();
	624	+ $page_title = sprintf(
	625	+ /* TRANSLATORS: %s: Name of blog */
	626	+ __( '%s - Access Restricted', 'authorizer' ),
	627	+ get_bloginfo( 'name' )
	628	+ );
	629	+ $error_message =
	630	+ apply_filters( 'the_content', $auth_settings['access_blocked_redirect_to_message'] ) .
	631	+ '<hr />' .
	632	+ '<p style="text-align: center;">' .
	633	+ '<a class="button" href="' . wp_logout_url( $redirect_to ) . '">' .
	634	+ __( 'Back', 'authorizer' ) .
	635	+ '</a></p>';
	636	+ update_option( 'auth_settings_advanced_login_error', $error_message );
	637	+ wp_die( $error_message, $page_title );
	638	+ }
	639	+ }
	640	+
	641	+ // Get the default role for this user (or their current role, if they
	642	+ // already have an account).
	643	+ $default_role = $user && is_array( $user->roles ) && count( $user->roles ) > 0 ? $user->roles[0] : $auth_settings['access_default_role'];
	644	+ /**
	645	+ * Filter the role of the user currently logging in. The role will be
	646	+ * set to the default (specified in Authorizer options) for new users,
	647	+ * or the user's current role for existing users. This filter allows
	648	+ * changing user roles based on custom CAS/LDAP attributes.
	649	+ * @param bool $role Role of the user currently logging in.
	650	+ * @param array $user_data User data returned from external service.
	651	+ */
	652	+ $approved_role = apply_filters( 'authorizer_custom_role', $default_role, $user_data );
	653	+
	654	+ /**
	655	+ * Filter whether to automatically approve the currently logging in user
	656	+ * based on any of their user attributes.
	657	+ *
	658	+ * @param bool $automatically_approve_login
	659	+ * Whether to automatically approve the currently logging in user.
	660	+ * @param array $user_data User data returned from external service.
	661	+ */
	662	+ $automatically_approve_login = apply_filters( 'authorizer_automatically_approve_login', false, $user_data );
	663	+
	664	+ // Iterate through each of the email addresses provided by the external
	665	+ // service and determine if any of them have access.
	666	+ $last_email = end( $user_emails );
	667	+ reset( $user_emails );
	668	+ foreach ( $user_emails as $user_email ) {
	669	+ $is_newly_approved_user = false;
	670	+
	671	+ // If this externally authenticated user is an existing administrator
	672	+ // (administrator in single site mode, or super admin in network mode),
	673	+ // and is not in the blocked list, let them in.
	674	+ if ( $user && is_super_admin( $user->ID ) ) {
	675	+ return;
	676	+ }
	677	+
	678	+ // If this externally authenticated user isn't in the approved list
	679	+ // and login access is set to "All authenticated users," or if they were
	680	+ // automatically approved in the "authorizer_approve_login" filter
	681	+ // above, then add them to the approved list (they'll get an account
	682	+ // created below if they don't have one yet).
	683	+ if (
	684	+ ! $this->is_email_in_list( $user_email, 'approved' ) &&
	685	+ ( $auth_settings['access_who_can_login'] === 'external_users' || $automatically_approve_login )
	686	+ ) {
	687	+ $is_newly_approved_user = true;
	688	+
	689	+ // If this user happens to be in the pending list (rare),
	690	+ // remove them from pending before adding them to approved.
	691	+ if ( $this->is_email_in_list( $user_email, 'pending' ) ) {
	692	+ foreach ( $auth_settings_access_users_pending as $key => $pending_user ) {
	693	+ if ( 0 === strcasecmp( $pending_user['email'], $user_email ) ) {
	694	+ unset( $auth_settings_access_users_pending[ $key ] );
	695	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	696	+ break;
	697	+ }
	698	+ }
	699	+ }
	700	+
	701	+ // Add this user to the approved list.
	702	+ $approved_user = array(
	703	+ 'email' => $this->lowercase( $user_email ),
	704	+ 'role' => $approved_role,
	705	+ 'date_added' => date( "Y-m-d H:i:s" ),
	706	+ );
	707	+ array_push( $auth_settings_access_users_approved, $approved_user );
	708	+ array_push( $auth_settings_access_users_approved_single, $approved_user );
	709	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved_single );
	710	+ }
	711	+
	712	+ // Check our externally authenticated user against the approved
	713	+ // list. If they are approved, log them in (and create their account
	714	+ // if necessary).
	715	+ if ( $is_newly_approved_user || $this->is_email_in_list( $user_email, 'approved' ) ) {
	716	+ $user_info = $is_newly_approved_user ? $approved_user : $this->get_user_info_from_list( $user_email, $auth_settings_access_users_approved );
	717	+
	718	+ // If this user's role was modified above (in the
	719	+ // authorizer_custom_role filter), use that value instead of
	720	+ // whatever is specified in the approved list.
	721	+ if ( $default_role !== $approved_role ) {
	722	+ $user_info['role'] = $approved_role;
	723	+ }
	724	+
	725	+ // If the approved external user does not have a WordPress account, create it
	726	+ if ( ! $user ) {
	727	+ // If there's already a user with this username (e.g.,
	728	+ // johndoe/johndoe@gmail.com exists, and we're trying to add
	729	+ // johndoe/johndoe@example.com), use the full email address
	730	+ // as the username.
	731	+ if ( array_key_exists( 'username', $user_data ) ) {
	732	+ $username = $user_data['username'];
	733	+ } else {
	734	+ $username = explode( '@', $user_info['email'] );
	735	+ $username = $username[0];
	736	+ }
	737	+ if ( get_user_by( 'login', $username ) !== false ) {
	738	+ $username = $user_info['email'];
	739	+ }
	740	+ $result = wp_insert_user(
	741	+ array(
	742	+ 'user_login' => strtolower( $username ),
	743	+ 'user_pass' => wp_generate_password(), // random password
	744	+ 'first_name' => array_key_exists( 'first_name', $user_data ) ? $user_data['first_name'] : '',
	745	+ 'last_name' => array_key_exists( 'last_name', $user_data ) ? $user_data['last_name'] : '',
	746	+ 'user_email' => $this->lowercase( $user_info['email'] ),
	747	+ 'user_registered' => date( 'Y-m-d H:i:s' ),
	748	+ 'role' => $user_info['role'],
	749	+ )
	750	+ );
	751	+
	752	+ // Fail with message if error.
	753	+ if ( is_wp_error( $result ) || $result === 0 ) {
	754	+ return $result;
	755	+ }
	756	+
	757	+ // Authenticate as new user
	758	+ $user = new WP_User( $result );
	759	+
	760	+ // If multisite, iterate through all sites in the network and add the user
	761	+ // currently logging in to any of them that have the user on the approved list.
	762	+ // Note: this is useful for first-time logins--some users will have access
	763	+ // to multiple sites, and this prevents them from having to log into each
	764	+ // site individually to get access.
	765	+ if ( is_multisite() ) {
	766	+ $site_ids_of_user = array_map(
	767	+ function ( $site_of_user ) { return $site_of_user->userblog_id; },
	768	+ get_blogs_of_user( $user->ID )
	769	+ );
	770	+
	771	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	772	+ foreach ( $sites as $site ) {
	773	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	774	+
	775	+ // Skip if user is already added to this site.
	776	+ if ( in_array( $blog_id, $site_ids_of_user ) ) {
	777	+ continue;
	778	+ }
	779	+
	780	+ // Check if user is on the approved list of this site they are not added to.
	781	+ $other_auth_settings_access_users_approved = get_blog_option( $blog_id, 'auth_settings_access_users_approved', array() );
	782	+ if ( $this->in_multi_array( $user->user_email, $other_auth_settings_access_users_approved ) ) {
	783	+ $other_user_info = $this->get_user_info_from_list( $user->user_email, $other_auth_settings_access_users_approved );
	784	+ // Add user to other site.
	785	+ add_user_to_blog( $blog_id, $user->ID, $other_user_info['role'] );
	786	+ }
	787	+ }
	788	+ }
	789	+
	790	+ // Check if this new user has any preassigned usermeta
	791	+ // values in their approved list entry, and apply them to
	792	+ // their new WordPress account.
	793	+ if ( array_key_exists( 'usermeta', $user_info ) && is_array( $user_info['usermeta'] ) ) {
	794	+ $meta_key = $this->get_plugin_option( 'advanced_usermeta' );
	795	+
	796	+ if ( array_key_exists( 'meta_key', $user_info['usermeta'] ) && array_key_exists( 'meta_value', $user_info['usermeta'] ) ) {
	797	+ // Only update the usermeta if the stored value matches
	798	+ // the option set in authorizer settings (if they don't
	799	+ // match it's probably old data).
	800	+ if ( $meta_key === $user_info['usermeta']['meta_key'] ) {
	801	+ // Update user's usermeta value for usermeta key stored in authorizer options.
	802	+ if ( strpos( $meta_key, 'acf___' ) === 0 && class_exists( 'acf' ) ) {
	803	+ // We have an ACF field value, so use the ACF function to update it.
	804	+ update_field( str_replace('acf___', '', $meta_key ), $user_info['usermeta']['meta_value'], 'user_' . $user->ID );
	805	+ } else {
	806	+ // We have a normal usermeta value, so just update it via the WordPress function.
	807	+ update_user_meta( $user->ID, $meta_key, $user_info['usermeta']['meta_value'] );
	808	+ }
	809	+ }
	810	+ } elseif ( is_multisite() && count( $user_info['usermeta'] ) > 0 ) {
	811	+ // Update usermeta for each multisite blog defined for this user.
	812	+ foreach ( $user_info['usermeta'] as $blog_id => $usermeta ) {
	813	+ if ( array_key_exists( 'meta_key', $usermeta ) && array_key_exists( 'meta_value', $usermeta ) ) {
	814	+ // Add this new user to the blog before we create their user meta (this step typically happens below, but we need it to happen early so we can create user meta here).
	815	+ if ( ! is_user_member_of_blog( $user->ID, $blog_id ) ) {
	816	+ add_user_to_blog( $blog_id, $user->ID, $user_info['role'] );
	817	+ }
	818	+ switch_to_blog( $blog_id );
	819	+ // Update user's usermeta value for usermeta key stored in authorizer options.
	820	+ if ( strpos( $meta_key, 'acf___' ) === 0 && class_exists( 'acf' ) ) {
	821	+ // We have an ACF field value, so use the ACF function to update it.
	822	+ update_field( str_replace('acf___', '', $meta_key ), $usermeta['meta_value'], 'user_' . $user->ID );
	823	+ } else {
	824	+ // We have a normal usermeta value, so just update it via the WordPress function.
	825	+ update_user_meta( $user->ID, $meta_key, $usermeta['meta_value'] );
	826	+ }
	827	+ restore_current_blog();
	828	+ }
	829	+ }
	830	+ }
	831	+ }
	832	+ } else {
	833	+ // Update first/last names of WordPress user from external
	834	+ // service if that option is set.
	835	+ if ( ( array_key_exists( 'authenticated_by', $user_data ) && $user_data['authenticated_by'] === 'cas' && array_key_exists( 'cas_attr_update_on_login', $auth_settings ) && $auth_settings['cas_attr_update_on_login'] == 1 ) || ( array_key_exists( 'authenticated_by', $user_data ) && $user_data['authenticated_by'] === 'ldap' && array_key_exists( 'ldap_attr_update_on_login', $auth_settings ) && $auth_settings['ldap_attr_update_on_login'] == 1 ) ) {
	836	+ if ( array_key_exists( 'first_name', $user_data ) && strlen( $user_data['first_name'] ) > 0 ) {
	837	+ wp_update_user( array(
	838	+ 'ID' => $user->ID,
	839	+ 'first_name' => $user_data['first_name'],
	840	+ ));
	841	+ }
	842	+ if ( array_key_exists( 'last_name', $user_data ) && strlen( $user_data['last_name'] ) > 0 ) {
	843	+ wp_update_user( array(
	844	+ 'ID' => $user->ID,
	845	+ 'last_name' => $user_data['last_name'],
	846	+ ));
	847	+ }
	848	+ }
	849	+
	850	+ // Update this user's role if it was modified in the
	851	+ // authorizer_custom_role filter.
	852	+ if ( $default_role !== $approved_role ) {
	853	+ // Update user's role in WordPress.
	854	+ $user->set_role( $approved_role );
	855	+
	856	+ // Update user's role in this site's approved list and save.
	857	+ foreach ( $auth_settings_access_users_approved_single as $key => $existing_user ) {
	858	+ if ( 0 === strcasecmp( $user->user_email, $existing_user['email'] ) ) {
	859	+ $auth_settings_access_users_approved_single[$key]['role'] = $approved_role;
	860	+ break;
	861	+ }
	862	+ }
	863	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved_single );
	864	+ }
	865	+ }
	866	+
	867	+ // If this is multisite, add new user to current blog.
	868	+ if ( is_multisite() && ! is_user_member_of_blog( $user->ID ) ) {
	869	+ $result = add_user_to_blog( get_current_blog_id(), $user->ID, $user_info['role'] );
	870	+
	871	+ // Fail with message if error.
	872	+ if ( is_wp_error( $result ) ) {
	873	+ return $result;
	874	+ }
	875	+ }
	876	+
	877	+ // Ensure user has the same role as their entry in the approved list.
	878	+ if ( $user_info && ! in_array( $user_info['role'], $user->roles ) ) {
	879	+ $user->set_role( $user_info['role'] );
	880	+ }
	881	+
	882	+ return $user;
	883	+
	884	+ // Note: only do this for the last email address we are checking (we need
	885	+ // to iterate through them all to make sure one of them isn't approved).
	886	+ } elseif ( 0 === strcasecmp( $user_email, $last_email ) ) {
	887	+ // User isn't an admin, is not blocked, and is not approved.
	888	+ // Add them to the pending list and notify them and their instructor.
	889	+ if ( strlen( $user_email ) > 0 && ! $this->is_email_in_list( $user_email, 'pending' ) ) {
	890	+ $pending_user = array();
	891	+ $pending_user['email'] = $this->lowercase( $user_email );
	892	+ $pending_user['role'] = $approved_role;
	893	+ $pending_user['date_added'] = '';
	894	+ array_push( $auth_settings_access_users_pending, $pending_user );
	895	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	896	+
	897	+ // Create strings used in the email notification.
	898	+ $site_name = get_bloginfo( 'name' );
	899	+ $site_url = get_bloginfo( 'url' );
	900	+ $authorizer_options_url = $auth_settings['advanced_admin_menu'] === 'settings' ? admin_url( 'options-general.php?page=authorizer' ) : admin_url( '?page=authorizer' );
	901	+
	902	+ // Notify users with the role specified in "Which role should
	903	+ // receive email notifications about pending users?".
	904	+ if ( strlen( $auth_settings['access_role_receive_pending_emails'] ) > 0 ) {
	905	+ foreach ( get_users( array( 'role' => $auth_settings['access_role_receive_pending_emails'] ) ) as $user_recipient ) {
	906	+ wp_mail(
	907	+ $user_recipient->user_email,
	908	+ sprintf(
	909	+ /* TRANSLATORS: 1: User email 2: Name of site */
	910	+ __( 'Action required: Pending user %1$s at %2$s', 'authorizer' ),
	911	+ $pending_user['email'],
	912	+ $site_name
	913	+ ),
	914	+ sprintf(
	915	+ /* TRANSLATORS: 1: Name of site 2: URL of site 3: URL of authorizer */
	916	+ __( "A new user has tried to access the %1\$s site you manage at:\n%2\$s\n\nPlease log in to approve or deny their request:\n%3\$s\n", 'authorizer' ),
	917	+ $site_name,
	918	+ $site_url,
	919	+ $authorizer_options_url
	920	+ )
	921	+ );
	922	+ }
	923	+ }
	924	+ }
	925	+
	926	+ // Notify user about pending status and return without authenticating them.
	927	+ $redirect_to = ! empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : home_url();
	928	+ $page_title = get_bloginfo( 'name' ) . ' - Access Pending';
	929	+ $error_message =
	930	+ apply_filters( 'the_content', $auth_settings['access_pending_redirect_to_message'] ) .
	931	+ '<hr />' .
	932	+ '<p style="text-align: center;">' .
	933	+ '<a class="button" href="' . wp_logout_url( $redirect_to ) . '">' .
	934	+ __( 'Back', 'authorizer' ) .
	935	+ '</a></p>';
	936	+ update_option( 'auth_settings_advanced_login_error', $error_message );
	937	+ wp_die( $error_message, $page_title );
	938	+ }
	939	+ }
	940	+
	941	+ // Sanity check: if we made it here without returning, something has gone wrong.
	942	+ return new WP_Error( 'invalid_login', __( 'Invalid login attempted.', 'authorizer' ) );
	943	+
	944	+ }
	945	+
	946	+
	947	+ /**
	948	+ * Verify the Google login and set a session token.
	949	+ *
	950	+ * Flow: "Sign in with Google" button clicked; JS Google library
	951	+ * called; JS function signInCallback() fired with results from Google;
	952	+ * signInCallback() posts code and nonce (via AJAX) to this function;
	953	+ * This function checks the token using the Google PHP library, and
	954	+ * saves it to a session variable if it's authentic; control passes
	955	+ * back to signInCallback(), which will reload the current page
	956	+ * (wp-login.php) on success; wp-login.php reloads; custom_authenticate
	957	+ * hooked into authenticate action fires again, and
	958	+ * custom_authenticate_google() runs to verify the token; once verified
	959	+ * custom_authenticate proceeds as normal with the google email address
	960	+ * as a successfully authenticated external user.
	961	+ *
	962	+ * @return void, but die with the value to return to the success() function in AJAX call signInCallback()
	963	+ */
	964	+ function ajax_process_google_login() {
	965	+ $nonce = array_key_exists( 'nonce', $_POST ) ? $_POST['nonce'] : '';
	966	+ $code = array_key_exists( 'code', $_POST ) ? $_POST['code'] : null;
	967	+
	968	+ // Nonce check.
	969	+ if ( ! wp_verify_nonce( $nonce, 'google_csrf_nonce' ) ) {
	970	+ return '';
	971	+ }
	972	+
	973	+ // Grab plugin settings.
	974	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	975	+
	976	+ // Add Google API PHP Client.
	977	+ // @see https://github.com/google/google-api-php-client branch:v1-master
	978	+ require_once dirname( __FILE__ ) . '/vendor/google-api-php-client/src/Google/autoload.php';
	979	+
	980	+ // Build the Google Client.
	981	+ $client = new Google_Client();
	982	+ $client->setApplicationName( 'WordPress' );
	983	+ $client->setClientId( $auth_settings['google_clientid'] );
	984	+ $client->setClientSecret( $auth_settings['google_clientsecret'] );
	985	+ $client->setRedirectUri( 'postmessage' );
	986	+
	987	+ // If the hosted domain parameter is set, restrict logins to that domain.
	988	+ // Note: Will have to upgrade to google-api-php-client v2 or higher for
	989	+ // this to function server-side; it's not complete in v1, so this check
	990	+ // is performed manually below.
	991	+ // if ( array_key_exists( 'google_hosteddomain', $auth_settings ) && strlen( $auth_settings['google_hosteddomain'] ) > 0 ) {
	992	+ // $google_hosteddomains = explode( "\n", str_replace( "\r", '', $auth_settings['google_hosteddomain'] ) );
	993	+ // $google_hosteddomain = trim( $google_hosteddomains[0] );
	994	+ // $client->setHostedDomain( $google_hosteddomain );
	995	+ // }
	996	+
	997	+ // Get one time use token (if it doesn't exist, we'll create one below)
	998	+ session_start();
	999	+ $token = array_key_exists( 'token', $_SESSION ) ? json_decode( $_SESSION['token'] ) : null;
	1000	+
	1001	+ if ( empty( $token ) ) {
	1002	+ // Exchange the OAuth 2.0 authorization code for user credentials.
	1003	+ $client->authenticate( $code );
	1004	+ $token = json_decode( $client->getAccessToken() );
	1005	+
	1006	+ // Store the token in the session for later use.
	1007	+ $_SESSION['token'] = json_encode( $token );
	1008	+
	1009	+ $response = "Successfully authenticated.";
	1010	+ } else {
	1011	+ $client->setAccessToken( json_encode( $token ) );
	1012	+
	1013	+ $response = 'Already authenticated.';
	1014	+ }
	1015	+
	1016	+ die( $response );
	1017	+ }
	1018	+
	1019	+
	1020	+ /**
	1021	+ * Validate this user's credentials against Google.
	1022	+ *
	1023	+ * @param array $auth_settings Plugin settings
	1024	+ * @return [mixed] Array containing email, authenticated_by,
	1025	+ * first_name, last_name, and username
	1026	+ * strings for the successfully authenticated
	1027	+ * user, or WP_Error() object on failure,
	1028	+ * or null if not attempting a google login.
	1029	+ */
	1030	+ private function custom_authenticate_google( $auth_settings ) {
	1031	+ // Move on if Google auth hasn't been requested here.
	1032	+ if ( empty( $_GET['external'] ) || $_GET['external'] !== 'google' ) {
	1033	+ return null;
	1034	+ }
	1035	+
	1036	+ // Get one time use token
	1037	+ session_start();
	1038	+ $token = array_key_exists( 'token', $_SESSION ) ? json_decode( $_SESSION['token'] ) : null;
	1039	+
	1040	+ // No token, so this is not a succesful Google login.
	1041	+ if ( is_null( $token ) ) {
	1042	+ return null;
	1043	+ }
	1044	+
	1045	+ // Add Google API PHP Client.
	1046	+ // @see https://github.com/google/google-api-php-client branch:v1-master
	1047	+ require_once dirname( __FILE__ ) . '/vendor/google-api-php-client/src/Google/autoload.php';
	1048	+
	1049	+ // Build the Google Client.
	1050	+ $client = new Google_Client();
	1051	+ $client->setApplicationName( 'WordPress' );
	1052	+ $client->setClientId( $auth_settings['google_clientid'] );
	1053	+ $client->setClientSecret( $auth_settings['google_clientsecret'] );
	1054	+ $client->setRedirectUri( 'postmessage' );
	1055	+
	1056	+ // If the hosted domain parameter is set, restrict logins to that domain.
	1057	+ // Note: Will have to upgrade to google-api-php-client v2 or higher for
	1058	+ // this to function server-side; it's not complete in v1, so this check
	1059	+ // is performed manually below.
	1060	+ // if ( array_key_exists( 'google_hosteddomain', $auth_settings ) && strlen( $auth_settings['google_hosteddomain'] ) > 0 ) {
	1061	+ // $google_hosteddomains = explode( "\n", str_replace( "\r", '', $auth_settings['google_hosteddomain'] ) );
	1062	+ // $google_hosteddomain = trim( $google_hosteddomains[0] );
	1063	+ // $client->setHostedDomain( $google_hosteddomain );
	1064	+ // }
	1065	+
	1066	+ // Verify this is a successful Google authentication
	1067	+ try {
	1068	+ $ticket = $client->verifyIdToken( $token->id_token, $auth_settings['google_clientid'] );
	1069	+ } catch ( Google_Auth_Exception $e ) {
	1070	+ // Invalid ticket, so this in not a successful Google login.
	1071	+ return new WP_Error( 'invalid_google_login', __( 'Invalid Google credentials provided.', 'authorizer' ) );
	1072	+ }
	1073	+
	1074	+ // Invalid ticket, so this in not a successful Google login.
	1075	+ if ( ! $ticket ) {
	1076	+ return new WP_Error( 'invalid_google_login', __( 'Invalid Google credentials provided.', 'authorizer' ) );
	1077	+ }
	1078	+
	1079	+ // Get email address
	1080	+ $attributes = $ticket->getAttributes();
	1081	+ $email = $this->lowercase( $attributes['payload']['email'] );
	1082	+ $email_domain = substr( strrchr( $email, '@' ), 1 );
	1083	+ $username = current( explode( '@', $email ) );
	1084	+
	1085	+ // Fail if hd param is set and the logging in user's email address doesn't
	1086	+ // match the allowed hosted domain.
	1087	+ // See: https://developers.google.com/identity/protocols/OpenIDConnect#hd-param
	1088	+ // See: https://github.com/google/google-api-php-client/blob/v1-master/src/Google/Client.php#L407-L416
	1089	+ // Note: Will have to upgrade to google-api-php-client v2 or higher for
	1090	+ // this to function server-side; it's not complete in v1, so this check
	1091	+ // is only performed here.
	1092	+ if ( array_key_exists( 'google_hosteddomain', $auth_settings ) && strlen( $auth_settings['google_hosteddomain'] ) > 0 ) {
	1093	+ // Allow multiple whitelisted domains.
	1094	+ $google_hosteddomains = explode( "\n", str_replace( "\r", '', $auth_settings['google_hosteddomain'] ) );
	1095	+ if ( ! in_array( $email_domain, $google_hosteddomains ) ) {
	1096	+ $this->custom_logout();
	1097	+ return new WP_Error( 'invalid_google_login', __( 'Google credentials do not match the allowed hosted domain', 'authorizer' ) );
	1098	+ }
	1099	+ }
	1100	+
	1101	+ return array(
	1102	+ 'email' => $email,
	1103	+ 'username' => $username,
	1104	+ 'first_name' => '',
	1105	+ 'last_name' => '',
	1106	+ 'authenticated_by' => 'google',
	1107	+ 'google_attributes' => $attributes,
	1108	+ );
	1109	+ }
	1110	+
	1111	+
	1112	+ /**
	1113	+ * Validate this user's credentials against CAS.
	1114	+ *
	1115	+ * @param array $auth_settings Plugin settings
	1116	+ * @return [mixed] Array containing 'email' and 'authenticated_by'
	1117	+ * strings for the successfully authenticated
	1118	+ * user, or WP_Error() object on failure,
	1119	+ * or null if not attempting a CAS login.
	1120	+ */
	1121	+ private function custom_authenticate_cas( $auth_settings ) {
	1122	+ // Move on if CAS hasn't been requested here.
	1123	+ if ( empty( $_GET['external'] ) || $_GET['external'] !== 'cas' ) {
	1124	+ return null;
	1125	+ }
	1126	+
	1127	+ // Get the CAS server version (default to SAML_VERSION_1_1).
	1128	+ // See: https://developer.jasig.org/cas-clients/php/1.3.4/docs/api/group__public.html
	1129	+ $cas_version = SAML_VERSION_1_1;
	1130	+ if ( $auth_settings['cas_version'] === 'CAS_VERSION_3_0' ) {
	1131	+ $cas_version = CAS_VERSION_3_0;
	1132	+ } elseif ( $auth_settings['cas_version'] === 'CAS_VERSION_2_0' ) {
	1133	+ $cas_version = CAS_VERSION_2_0;
	1134	+ } elseif ( $auth_settings['cas_version'] === 'CAS_VERSION_1_0' ) {
	1135	+ $cas_version = CAS_VERSION_1_0;
	1136	+ }
	1137	+
	1138	+ // Set the CAS client configuration
	1139	+ phpCAS::client( $cas_version, $auth_settings['cas_host'], intval( $auth_settings['cas_port'] ), $auth_settings['cas_path'] );
	1140	+
	1141	+ // Update server certificate bundle if it doesn't exist or is older
	1142	+ // than 6 months, then use it to ensure CAS server is legitimate.
	1143	+ // Note: only try to update if the system has the php_openssl extension.
	1144	+ $cacert_url = 'https://curl.haxx.se/ca/cacert.pem';
	1145	+ $cacert_path = plugin_dir_path( __FILE__ ) . 'vendor/cacert.pem';
	1146	+ $time_180_days = 180 * 24 * 60 * 60; // days * hours * minutes * seconds
	1147	+ $time_180_days_ago = time() - $time_180_days;
	1148	+ if (
	1149	+ extension_loaded( 'openssl' ) &&
	1150	+ ( ! file_exists( $cacert_path ) || filemtime( $cacert_path ) < $time_180_days_ago )
	1151	+ ) {
	1152	+ // Get new cacert.pem file from https://curl.haxx.se/ca/cacert.pem.
	1153	+ $response = wp_safe_remote_get( $cacert_url );
	1154	+ if (
	1155	+ is_wp_error( $response ) ||
	1156	+ 200 !== wp_remote_retrieve_response_code( $response ) ||
	1157	+ ! array_key_exists( 'body', $response )
	1158	+ ) {
	1159	+ new WP_Error( 'cannot_update_cacert', __( 'Unable to update outdated server certificates from https://curl.haxx.se/ca/cacert.pem.', 'authorizer' ) );
	1160	+ }
	1161	+ $cacert_contents = $response['body'];
	1162	+
	1163	+ // Write out the updated certs to the plugin directory.
	1164	+ file_put_contents( $cacert_path, $cacert_contents );
	1165	+ }
	1166	+ phpCAS::setCasServerCACert( $cacert_path );
	1167	+
	1168	+ // Set the CAS service URL (including the redirect URL for WordPress when it comes back from CAS).
	1169	+ $cas_service_url = site_url( '/wp-login.php?external=cas' );
	1170	+ $login_querystring = array(); parse_str( $_SERVER['QUERY_STRING'], $login_querystring );
	1171	+ if ( isset( $login_querystring['redirect_to'] ) ) {
	1172	+ $cas_service_url .= '&redirect_to=' . urlencode( $login_querystring['redirect_to'] );
	1173	+ }
	1174	+ phpCAS::setFixedServiceURL( $cas_service_url );
	1175	+
	1176	+ // Authenticate against CAS
	1177	+ try {
	1178	+ phpCAS::forceAuthentication();
	1179	+ } catch ( CAS_AuthenticationException $e ) {
	1180	+ // CAS server threw an error in isAuthenticated(), potentially because
	1181	+ // the cached ticket is outdated. Try renewing the authentication.
	1182	+ error_log( __( 'CAS server returned an Authentication Exception. Details:', 'authorizer' ) );
	1183	+ error_log( print_r( $e, true ) );
	1184	+
	1185	+ // CAS server is throwing errors on this login, so try logging the
	1186	+ // user out of CAS and redirecting them to the login page.
	1187	+ phpCAS::logoutWithRedirectService( wp_login_url() );
	1188	+ die();
	1189	+ }
	1190	+
	1191	+ // Get username (as specified by the CAS server).
	1192	+ $username = phpCAS::getUser();
	1193	+
	1194	+ // Get email that successfully authenticated against the external service (CAS).
	1195	+ $externally_authenticated_email = strtolower( $username );
	1196	+ if ( ! filter_var( $externally_authenticated_email, FILTER_VALIDATE_EMAIL ) ) {
	1197	+ // If we can't get the user's email address from a CAS attribute,
	1198	+ // try to guess the domain from the CAS server hostname. This will only
	1199	+ // be used if we can't discover the email address from CAS attributes.
	1200	+ $domain_guess = preg_match( '/[^.]*\.[^.]*$/', $auth_settings['cas_host'], $matches ) === 1 ? $matches[0] : '';
	1201	+ $externally_authenticated_email = $this->lowercase( $username ) . '@' . $domain_guess;
	1202	+ }
	1203	+
	1204	+ // Retrieve the user attributes (e.g., email address, first name, last name) from the CAS server.
	1205	+ $cas_attributes = phpCAS::getAttributes();
	1206	+
	1207	+ // Get user email if it is specified in another field.
	1208	+ if ( array_key_exists( 'cas_attr_email', $auth_settings ) && strlen( $auth_settings['cas_attr_email'] ) > 0 ) {
	1209	+ // If the email attribute starts with an at symbol (@), assume that the
	1210	+ // email domain is manually entered there (instead of a reference to a
	1211	+ // CAS attribute), and combine that with the username to create the email.
	1212	+ // Otherwise, look up the CAS attribute for email.
	1213	+ if ( substr( $auth_settings['cas_attr_email'], 0, 1 ) === '@' ) {
	1214	+ $externally_authenticated_email = $this->lowercase( $username . $auth_settings['cas_attr_email'] );
	1215	+ } elseif (
	1216	+ // If a CAS attribute has been specified as containing the email address, use that instead.
	1217	+ // Email attribute can be a string or an array of strings.
	1218	+ array_key_exists( $auth_settings['cas_attr_email'], $cas_attributes ) && (
	1219	+ (
	1220	+ is_array( $cas_attributes[$auth_settings['cas_attr_email']] ) &&
	1221	+ count( $cas_attributes[$auth_settings['cas_attr_email']] ) > 0
	1222	+ ) || (
	1223	+ is_string( $cas_attributes[$auth_settings['cas_attr_email']] ) &&
	1224	+ strlen( $cas_attributes[$auth_settings['cas_attr_email']] ) > 0
	1225	+ )
	1226	+ )
	1227	+ ) {
	1228	+ // Each of the emails in the array needs to be set to lowercase.
	1229	+ if ( is_array( $cas_attributes[$auth_settings['cas_attr_email']] ) ) {
	1230	+ $externally_authenticated_email = array();
	1231	+ foreach ( $cas_attributes[$auth_settings['cas_attr_email']] as $external_email ) {
	1232	+ $externally_authenticated_email[] = $this->lowercase( $external_email );
	1233	+ }
	1234	+ } else {
	1235	+ $externally_authenticated_email = $this->lowercase( $cas_attributes[$auth_settings['cas_attr_email']] );
	1236	+ }
	1237	+ }
	1238	+ }
	1239	+
	1240	+ // Get user first name and last name.
	1241	+ $first_name = array_key_exists( 'cas_attr_first_name', $auth_settings ) && strlen( $auth_settings['cas_attr_first_name'] ) > 0 && array_key_exists( $auth_settings['cas_attr_first_name'], $cas_attributes ) && strlen( $cas_attributes[$auth_settings['cas_attr_first_name']] ) > 0 ? $cas_attributes[$auth_settings['cas_attr_first_name']] : '';
	1242	+ $last_name = array_key_exists( 'cas_attr_last_name', $auth_settings ) && strlen( $auth_settings['cas_attr_last_name'] ) > 0 && array_key_exists( $auth_settings['cas_attr_last_name'], $cas_attributes ) && strlen( $cas_attributes[$auth_settings['cas_attr_last_name']] ) > 0 ? $cas_attributes[$auth_settings['cas_attr_last_name']] : '';
	1243	+
	1244	+ return array(
	1245	+ 'email' => $externally_authenticated_email,
	1246	+ 'username' => $username,
	1247	+ 'first_name' => $first_name,
	1248	+ 'last_name' => $last_name,
	1249	+ 'authenticated_by' => 'cas',
	1250	+ 'cas_attributes' => $cas_attributes,
	1251	+ );
	1252	+ }
	1253	+
	1254	+
	1255	+ /**
	1256	+ * Validate this user's credentials against LDAP.
	1257	+ *
	1258	+ * @param array $auth_settings Plugin settings
	1259	+ * @param string $username Attempted username from authenticate action
	1260	+ * @param string $password Attempted password from authenticate action
	1261	+ * @return [mixed] Array containing 'email' and 'authenticated_by'
	1262	+ * strings for the successfully authenticated
	1263	+ * user, or WP_Error() object on failure,
	1264	+ * or null if skipping LDAP auth and falling back to WP auth.
	1265	+ */
	1266	+ private function custom_authenticate_ldap( $auth_settings, $username, $password ) {
	1267	+ // Get the FQDN from the LDAP search base domain components (dc). For
	1268	+ // example, ou=people,dc=example,dc=edu,dc=uk would yield user@example.edu.uk
	1269	+ $search_base_components = explode( ',', trim( $auth_settings['ldap_search_base'] ) );
	1270	+ $domain = array();
	1271	+ foreach ( $search_base_components as $search_base_component ) {
	1272	+ $component = explode( '=', $search_base_component );
	1273	+ if ( count( $component ) === 2 && $component[0] === 'dc' ) {
	1274	+ $domain[] = $component[1];
	1275	+ }
	1276	+ }
	1277	+ $domain = implode( '.', $domain );
	1278	+
	1279	+ // If we can't get the logging in user's email address from an LDAP attribute,
	1280	+ // just use the domain from the LDAP host. This will only be used if we
	1281	+ // can't discover the email address from an LDAP attribute.
	1282	+ if ( empty( $domain ) ) {
	1283	+ $domain = preg_match( '/[^.]*\.[^.]*$/', $auth_settings['ldap_host'], $matches ) === 1 ? $matches[0] : '';
	1284	+ }
	1285	+
	1286	+ // remove @domain if it exists in the username (i.e., if user entered their email)
	1287	+ $username = str_replace( '@' . $domain, '', $username );
	1288	+
	1289	+ // Fail silently (fall back to WordPress authentication) if both username
	1290	+ // and password are empty (this will be the case when visiting wp-login.php
	1291	+ // for the first time, or when clicking the Log In button without filling
	1292	+ // out either field.
	1293	+ if ( empty( $username ) && empty( $password ) ) {
	1294	+ return null;
	1295	+ }
	1296	+
	1297	+ // Fail with error message if username or password is blank.
	1298	+ if ( empty( $username ) ) {
	1299	+ return new WP_Error( 'empty_username', __( 'You must provide a username or email.', 'authorizer' ) );
	1300	+ }
	1301	+ if ( empty( $password ) ) {
	1302	+ return new WP_Error( 'empty_password', __( 'You must provide a password.', 'authorizer' ) );
	1303	+ }
	1304	+
	1305	+ // If php5-ldap extension isn't installed on server, fall back to WP auth.
	1306	+ if ( ! function_exists( 'ldap_connect' ) ) {
	1307	+ return null;
	1308	+ }
	1309	+
	1310	+ // Authenticate against LDAP using options provided in plugin settings.
	1311	+ $result = false;
	1312	+ $ldap_user_dn = '';
	1313	+ $first_name = '';
	1314	+ $last_name = '';
	1315	+ $email = '';
	1316	+
	1317	+ // Construct LDAP connection parameters. ldap_connect() takes either a
	1318	+ // hostname or a full LDAP URI as its first parameter (works with OpenLDAP
	1319	+ // 2.x.x or later). If it's an LDAP URI, the second parameter, $port, is
	1320	+ // ignored, and port must be specified in the full URI. An LDAP URI is of
	1321	+ // the form ldap://hostname:port or ldaps://hostname:port.
	1322	+ $ldap_host = $auth_settings['ldap_host'];
	1323	+ $ldap_port = intval( $auth_settings['ldap_port'] );
	1324	+ $parsed_host = parse_url( $ldap_host );
	1325	+ // Fail (fall back to WordPress auth) if invalid host is specified.
	1326	+ if ( $parsed_host === false ) {
	1327	+ return null;
	1328	+ }
	1329	+ // If a scheme is in the LDAP host, use full LDAP URI instead of just hostname.
	1330	+ if ( array_key_exists( 'scheme', $parsed_host ) ) {
	1331	+ // If the port isn't in the LDAP URI, use the one in the LDAP port field.
	1332	+ if ( ! array_key_exists( 'port', $parsed_host ) ) {
	1333	+ $parsed_host['port'] = $ldap_port;
	1334	+ }
	1335	+ $ldap_host = $this->build_url( $parsed_host );
	1336	+ }
	1337	+
	1338	+ // Establish LDAP connection.
	1339	+ $ldap = ldap_connect( $ldap_host, $ldap_port );
	1340	+ ldap_set_option( $ldap, LDAP_OPT_PROTOCOL_VERSION, 3 );
	1341	+ if ( $auth_settings['ldap_tls'] == 1 ) {
	1342	+ if( ! ldap_start_tls( $ldap ) ) {
	1343	+ return null;
	1344	+ }
	1345	+ }
	1346	+
	1347	+ // Set bind credentials; attempt an anonymous bind if not provided.
	1348	+ $bind_rdn = NULL;
	1349	+ $bind_password = NULL;
	1350	+ if ( strlen( $auth_settings['ldap_user'] ) > 0 ) {
	1351	+ $bind_rdn = $auth_settings['ldap_user'];
	1352	+ $bind_password = $this->decrypt( $auth_settings['ldap_password'] );
	1353	+ }
	1354	+
	1355	+ // Attempt LDAP bind.
	1356	+ $result = @ldap_bind( $ldap, $bind_rdn, stripslashes( $bind_password ) );
	1357	+ if ( ! $result ) {
	1358	+ // Can't connect to LDAP, so fall back to WordPress authentication.
	1359	+ return null;
	1360	+ }
	1361	+ // Look up the bind DN (and first/last name) of the user trying to
	1362	+ // log in by performing an LDAP search for the login username in
	1363	+ // the field specified in the LDAP settings. This setup is common.
	1364	+ $ldap_attributes_to_retrieve = array( 'dn' );
	1365	+ if ( array_key_exists( 'ldap_attr_first_name', $auth_settings ) && strlen( $auth_settings['ldap_attr_first_name'] ) > 0 ) {
	1366	+ array_push( $ldap_attributes_to_retrieve, $auth_settings['ldap_attr_first_name'] );
	1367	+ }
	1368	+ if ( array_key_exists( 'ldap_attr_last_name', $auth_settings ) && strlen( $auth_settings['ldap_attr_last_name'] ) > 0 ) {
	1369	+ array_push( $ldap_attributes_to_retrieve, $auth_settings['ldap_attr_last_name'] );
	1370	+ }
	1371	+ if ( array_key_exists( 'ldap_attr_email', $auth_settings ) && strlen( $auth_settings['ldap_attr_email'] ) > 0 && substr( $auth_settings['ldap_attr_email'], 0, 1 ) !== '@' ) {
	1372	+ array_push( $ldap_attributes_to_retrieve, $this->lowercase( $auth_settings['ldap_attr_email'] ) );
	1373	+ }
	1374	+ $ldap_search = ldap_search(
	1375	+ $ldap,
	1376	+ $auth_settings['ldap_search_base'],
	1377	+ "(" . $auth_settings['ldap_uid'] . "=" . $username . ")",
	1378	+ $ldap_attributes_to_retrieve
	1379	+ );
	1380	+ $ldap_entries = ldap_get_entries( $ldap, $ldap_search );
	1381	+
	1382	+ // If we didn't find any users in ldap, fall back to WordPress authentication.
	1383	+ if ( $ldap_entries['count'] < 1 ) {
	1384	+ return null;
	1385	+ }
	1386	+
	1387	+ // Get the bind dn and first/last names; if there are multiple results returned, just get the last one.
	1388	+ for ( $i = 0; $i < $ldap_entries['count']; $i++ ) {
	1389	+ $ldap_user_dn = $ldap_entries[$i]['dn'];
	1390	+
	1391	+ // Get user first name and last name.
	1392	+ $ldap_attr_first_name = array_key_exists( 'ldap_attr_first_name', $auth_settings ) ? $this->lowercase( $auth_settings['ldap_attr_first_name'] ) : '';
	1393	+ if ( strlen( $ldap_attr_first_name ) > 0 && array_key_exists( $ldap_attr_first_name, $ldap_entries[$i] ) && $ldap_entries[$i][$ldap_attr_first_name]['count'] > 0 && strlen( $ldap_entries[$i][$ldap_attr_first_name][0] ) > 0 ) {
	1394	+ $first_name = $ldap_entries[$i][$ldap_attr_first_name][0];
	1395	+ }
	1396	+ $ldap_attr_last_name = array_key_exists( 'ldap_attr_last_name', $auth_settings ) ? $this->lowercase( $auth_settings['ldap_attr_last_name'] ) : '';
	1397	+ if ( strlen( $ldap_attr_last_name ) > 0 && array_key_exists( $ldap_attr_last_name, $ldap_entries[$i] ) && $ldap_entries[$i][$ldap_attr_last_name]['count'] > 0 && strlen( $ldap_entries[$i][$ldap_attr_last_name][0] ) > 0 ) {
	1398	+ $last_name = $ldap_entries[$i][$ldap_attr_last_name][0];
	1399	+ }
	1400	+ // Get user email if it is specified in another field.
	1401	+ $ldap_attr_email = array_key_exists( 'ldap_attr_email', $auth_settings ) ? $this->lowercase( $auth_settings['ldap_attr_email'] ) : '';
	1402	+ if ( strlen( $ldap_attr_email ) > 0 ) {
	1403	+ // If the email attribute starts with an at symbol (@), assume that the
	1404	+ // email domain is manually entered there (instead of a reference to an
	1405	+ // LDAP attribute), and combine that with the username to create the email.
	1406	+ // Otherwise, look up the LDAP attribute for email.
	1407	+ if ( substr( $ldap_attr_email, 0, 1 ) === '@' ) {
	1408	+ $email = $this->lowercase( $username . $ldap_attr_email );
	1409	+ } elseif ( array_key_exists( $ldap_attr_email, $ldap_entries[$i] ) && $ldap_entries[$i][$ldap_attr_email]['count'] > 0 && strlen( $ldap_entries[$i][$ldap_attr_email][0] ) > 0 ) {
	1410	+ $email = $this->lowercase( $ldap_entries[$i][$ldap_attr_email][0] );
	1411	+ }
	1412	+ }
	1413	+ }
	1414	+
	1415	+ $result = @ldap_bind( $ldap, $ldap_user_dn, stripslashes( $password ) );
	1416	+ if ( ! $result ) {
	1417	+ // We have a real ldap user, but an invalid password. Pass
	1418	+ // through to wp authentication after failing LDAP (since
	1419	+ // this could be a local account that happens to be the
	1420	+ // same name as an LDAP user).
	1421	+ return null;
	1422	+ }
	1423	+
	1424	+ // User successfully authenticated against LDAP, so set the relevant variables.
	1425	+ $externally_authenticated_email = $this->lowercase( $username . '@' . $domain );
	1426	+
	1427	+ // If an LDAP attribute has been specified as containing the email address, use that instead.
	1428	+ if ( strlen( $email ) > 0 ) {
	1429	+ $externally_authenticated_email = $this->lowercase( $email );
	1430	+ }
	1431	+
	1432	+ return array(
	1433	+ 'email' => $externally_authenticated_email,
	1434	+ 'username' => $username,
	1435	+ 'first_name' => $first_name,
	1436	+ 'last_name' => $last_name,
	1437	+ 'authenticated_by' => 'ldap',
	1438	+ 'ldap_attributes' => $ldap_entries,
	1439	+ );
	1440	+ }
	1441	+
	1442	+
	1443	+ /**
	1444	+ * Log out of the attached external service.
	1445	+ *
	1446	+ * @return void
	1447	+ */
	1448	+ public function custom_logout() {
	1449	+ // Grab plugin settings.
	1450	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	1451	+
	1452	+ // Reset option containing old error messages.
	1453	+ delete_option( 'auth_settings_advanced_login_error' );
	1454	+
	1455	+ if ( session_id() == '' ) {
	1456	+ session_start();
	1457	+ }
	1458	+
	1459	+ $current_user_authenticated_by = get_user_meta( get_current_user_id(), 'authenticated_by', true );
	1460	+
	1461	+ // If logged in to CAS, Log out of CAS.
	1462	+ if ( $current_user_authenticated_by === 'cas' && $auth_settings['cas'] === '1' ) {
	1463	+ if ( ! array_key_exists( 'PHPCAS_CLIENT', $GLOBALS ) || ! array_key_exists( 'phpCAS', $_SESSION ) ) {
	1464	+
	1465	+ // Get the CAS server version (default to SAML_VERSION_1_1).
	1466	+ // See: https://developer.jasig.org/cas-clients/php/1.3.4/docs/api/group__public.html
	1467	+ $cas_version = SAML_VERSION_1_1;
	1468	+ if ( $auth_settings['cas_version'] === 'CAS_VERSION_3_0' ) {
	1469	+ $cas_version = CAS_VERSION_3_0;
	1470	+ } elseif ( $auth_settings['cas_version'] === 'CAS_VERSION_2_0' ) {
	1471	+ $cas_version = CAS_VERSION_2_0;
	1472	+ } elseif ( $auth_settings['cas_version'] === 'CAS_VERSION_1_0' ) {
	1473	+ $cas_version = CAS_VERSION_1_0;
	1474	+ }
	1475	+
	1476	+ // Set the CAS client configuration if it hasn't been set already.
	1477	+ phpCAS::client( $cas_version, $auth_settings['cas_host'], intval( $auth_settings['cas_port'] ), $auth_settings['cas_path'] );
	1478	+ // Restrict logout request origin to the CAS server only (prevent DDOS).
	1479	+ phpCAS::handleLogoutRequests( true, array( $auth_settings['cas_host'] ) );
	1480	+ }
	1481	+ if ( phpCAS::isAuthenticated() || phpCAS::isInitialized() ) {
	1482	+ // Redirect to home page, or specified page if it's been provided.
	1483	+ $redirect_to = site_url( '/' );
	1484	+ if ( array_key_exists( 'redirect_to', $_REQUEST ) && filter_var( $_REQUEST['redirect_to'], FILTER_VALIDATE_URL ) !== false ) {
	1485	+ $redirect_to = $_REQUEST['redirect_to'];
	1486	+ }
	1487	+
	1488	+ phpCAS::logoutWithRedirectService( $redirect_to );
	1489	+ }
	1490	+ }
	1491	+
	1492	+ // If session token set, log out of Google.
	1493	+ if ( $current_user_authenticated_by === 'google' || array_key_exists( 'token', $_SESSION ) ) {
	1494	+ $token = json_decode( $_SESSION['token'] )->access_token;
	1495	+
	1496	+ // Add Google API PHP Client.
	1497	+ // @see https://github.com/google/google-api-php-client branch:v1-master
	1498	+ require_once dirname( __FILE__ ) . '/vendor/google-api-php-client/src/Google/autoload.php';
	1499	+
	1500	+ // Build the Google Client.
	1501	+ $client = new Google_Client();
	1502	+ $client->setApplicationName( 'WordPress' );
	1503	+ $client->setClientId( $auth_settings['google_clientid'] );
	1504	+ $client->setClientSecret( $auth_settings['google_clientsecret'] );
	1505	+ $client->setRedirectUri( 'postmessage' );
	1506	+
	1507	+ // Revoke the token
	1508	+ $client->revokeToken( $token );
	1509	+
	1510	+ // Remove the credentials from the user's session.
	1511	+ unset( $_SESSION['token'] );
	1512	+ }
	1513	+
	1514	+ }
	1515	+
	1516	+
	1517	+
	1518	+ /**
	1519	+ * ***************************
	1520	+ * Access Restriction
	1521	+ * ***************************
	1522	+ */
	1523	+
	1524	+
	1525	+
	1526	+ /**
	1527	+ * Restrict access to WordPress site based on settings (everyone, logged_in_users).
	1528	+ * Hook: parse_request http://codex.wordpress.org/Plugin_API/Action_Reference/parse_request
	1529	+ *
	1530	+ * @param array $wp WordPress object.
	1531	+ *
	1532	+ * @return void
	1533	+ */
	1534	+ public function restrict_access( $wp ) {
	1535	+ // Grab plugin settings.
	1536	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	1537	+
	1538	+ // Grab current user.
	1539	+ $current_user = wp_get_current_user();
	1540	+
	1541	+ $has_access = (
	1542	+ // Always allow access if WordPress is installing
	1543	+ ( defined( 'WP_INSTALLING' ) && isset( $_GET['key'] ) ) ||
	1544	+ // Always allow access to admins
	1545	+ ( current_user_can( 'create_users' ) ) ||
	1546	+ // Allow access if option is set to 'everyone'
	1547	+ ( $auth_settings['access_who_can_view'] == 'everyone' ) ||
	1548	+ // Allow access to approved external users and logged in users if option is set to 'logged_in_users'
	1549	+ ( $auth_settings['access_who_can_view'] == 'logged_in_users' && $this->is_user_logged_in_and_blog_user() && $this->is_email_in_list( $current_user->user_email, 'approved' ) ) ||
	1550	+ // Allow access for requests to /wp-json/oauth1 so oauth clients can authenticate to use the REST API
	1551	+ ( property_exists( $wp, 'matched_query' ) && stripos( $wp->matched_query, "rest_oauth1=" ) === 0 ) ||
	1552	+ // Allow access for non-GET requests to /wp-json/*, since REST API authentication already covers them
	1553	+ ( property_exists( $wp, 'matched_query' ) && stripos( $wp->matched_query, "rest_route=" ) === 0 && $_SERVER['REQUEST_METHOD'] !== 'GET' ) ||
	1554	+ // Allow access for GET requests to /wp-json/ (root), since REST API discovery calls rely on this
	1555	+ ( property_exists( $wp, 'matched_query' ) && $wp->matched_query === 'rest_route=/' )
	1556	+ // Note that GET requests to a rest endpoint will be restricted by authorizer. In that case, error messages will be returned as JSON.
	1557	+ );
	1558	+
	1559	+ /**
	1560	+ * Developers can use the `authorizer_has_access` filter
	1561	+ * to override restricted access on certain pages. Note that the
	1562	+ * restriction checks happens before WordPress executes any queries, so
	1563	+ * use the global `$wp` variable to investigate what the visitor is
	1564	+ * trying to load.
	1565	+ *
	1566	+ * For example, to unblock an RSS feed, place the following PHP code in
	1567	+ * the theme's functions.php file or in a simple plug-in:
	1568	+ *
	1569	+ * function my_rsa_feed_access_override( $has_access ) {
	1570	+ * global $wp;
	1571	+ * // check query variables to see if this is the feed
	1572	+ * if ( ! empty( $wp->query_vars['feed'] ) )
	1573	+ * $has_access = true;
	1574	+ * return $has_access;
	1575	+ * }
	1576	+ * add_filter( 'authorizer_has_access', 'my_rsa_feed_access_override' );
	1577	+ */
	1578	+ if ( apply_filters( 'authorizer_has_access', $has_access, $wp ) === true ) {
	1579	+ // Turn off the public notice about browsing anonymously
	1580	+ update_option( 'auth_settings_advanced_public_notice', false );
	1581	+
	1582	+ // We've determined that the current user has access, so simply return to grant access.
	1583	+ return $wp;
	1584	+ }
	1585	+
	1586	+ // Allow HEAD requests to the root (usually discovery from a REST client).
	1587	+ if ( $_SERVER['REQUEST_METHOD'] === 'HEAD' && empty( $wp->request ) && empty( $wp->matched_query ) ) {
	1588	+ return $wp;
	1589	+ }
	1590	+
	1591	+ // We've determined that the current user doesn't have access, so we deal with them now.
	1592	+
	1593	+ // Fringe case: In a multisite, a user of a different blog can successfully
	1594	+ // log in, but they aren't on the 'approved' whitelist for this blog.
	1595	+ // If that's the case, add them to the pending list for this blog.
	1596	+ if ( is_multisite() && is_user_logged_in() && ! $has_access ) {
	1597	+ $current_user = wp_get_current_user();
	1598	+
	1599	+ // Check user access; block if not, add them to pending list if open, let them through otherwise.
	1600	+ $result = $this->check_user_access( $current_user, array( $current_user->user_email ) );
	1601	+ }
	1602	+
	1603	+ // Check to see if the requested page is public. If so, show it.
	1604	+ if ( empty( $wp->request ) ) {
	1605	+ $current_page_id = 'home';
	1606	+ } else {
	1607	+ $request_query = isset( $wp->query_vars ) ? new WP_Query( $wp->query_vars ) : null;
	1608	+ $current_page_id = isset( $request_query->post_count ) && $request_query->post_count > 0 ? $request_query->post->ID : '';
	1609	+ }
	1610	+ if ( ! array_key_exists( 'access_public_pages', $auth_settings ) || ! is_array( $auth_settings['access_public_pages'] ) ) {
	1611	+ $auth_settings['access_public_pages'] = array();
	1612	+ }
	1613	+ if ( in_array( $current_page_id, $auth_settings['access_public_pages'] ) ) {
	1614	+ if ( $auth_settings['access_public_warning'] === 'no_warning' ) {
	1615	+ update_option( 'auth_settings_advanced_public_notice', false );
	1616	+ } else {
	1617	+ update_option( 'auth_settings_advanced_public_notice', true );
	1618	+ }
	1619	+ return $wp;
	1620	+ }
	1621	+
	1622	+ // Check to see if any category assigned to the requested page is public. If so, show it.
	1623	+ $current_page_categories = wp_get_post_categories( $current_page_id, array( 'fields' => 'slugs' ) );
	1624	+ foreach( $current_page_categories as $current_page_category ) {
	1625	+ if ( in_array( 'cat_' . $current_page_category, $auth_settings['access_public_pages'] ) ) {
	1626	+ if ( $auth_settings['access_public_warning'] === 'no_warning' ) {
	1627	+ update_option( 'auth_settings_advanced_public_notice', false );
	1628	+ } else {
	1629	+ update_option( 'auth_settings_advanced_public_notice', true );
	1630	+ }
	1631	+ return $wp;
	1632	+ }
	1633	+ }
	1634	+
	1635	+ // Check to see if this page can't be found. If so, allow showing the 404 page.
	1636	+ if ( strlen( $current_page_id ) < 1 ) {
	1637	+ if ( in_array( 'auth_public_404', $auth_settings['access_public_pages'] ) ) {
	1638	+ if ( $auth_settings['access_public_warning'] === 'no_warning' ) {
	1639	+ update_option( 'auth_settings_advanced_public_notice', false );
	1640	+ } else {
	1641	+ update_option( 'auth_settings_advanced_public_notice', true );
	1642	+ }
	1643	+ return $wp;
	1644	+ }
	1645	+ }
	1646	+
	1647	+ // Check to see if the requested category is public. If so, show it.
	1648	+ $current_category_name = property_exists( $wp, 'query_vars' ) && array_key_exists( 'category_name', $wp->query_vars ) && strlen( $wp->query_vars['category_name'] ) > 0 ? $wp->query_vars['category_name'] : '';
	1649	+ if ( $current_category_name ) {
	1650	+ $current_category_name = end( explode( '/', $current_category_name ) );
	1651	+ if ( in_array( 'cat_' . $current_category_name, $auth_settings['access_public_pages'] ) ) {
	1652	+ if ( $auth_settings['access_public_warning'] === 'no_warning' ) {
	1653	+ update_option( 'auth_settings_advanced_public_notice', false );
	1654	+ } else {
	1655	+ update_option( 'auth_settings_advanced_public_notice', true );
	1656	+ }
	1657	+ return $wp;
	1658	+ }
	1659	+ }
	1660	+
	1661	+ // User is denied access, so show them the error message. Render as JSON
	1662	+ // if this is a REST API call; otherwise, show the error message via
	1663	+ // wp_die() (rendered html), or redirect to the login URL.
	1664	+ $current_path = empty( $_SERVER['REQUEST_URI'] ) ? home_url() : $_SERVER['REQUEST_URI'];
	1665	+ if ( property_exists( $wp, 'matched_query' ) && stripos( $wp->matched_query, "rest_route=" ) === 0 && $_SERVER['REQUEST_METHOD'] === 'GET' ) {
	1666	+ wp_send_json( array(
	1667	+ 'code' => 'rest_cannot_view',
	1668	+ 'message' => strip_tags( $auth_settings['access_redirect_to_message'] ),
	1669	+ 'data' => array(
	1670	+ 'status' => 401,
	1671	+ ),
	1672	+ ));
	1673	+ } elseif ( $auth_settings['access_redirect'] === 'message' ) {
	1674	+ $page_title = sprintf(
	1675	+ /* TRANSLATORS: %s: Name of blog */
	1676	+ __( '%s - Access Restricted', 'authorizer' ),
	1677	+ get_bloginfo( 'name' )
	1678	+ );
	1679	+ $error_message =
	1680	+ apply_filters( 'the_content', $auth_settings['access_redirect_to_message'] ) .
	1681	+ '<hr />' .
	1682	+ '<p style="text-align: center;margin-bottom: -15px;">' .
	1683	+ '<a class="button" href="' . wp_login_url( $current_path ) . '">' .
	1684	+ __( 'Log In', 'authorizer' ) .
	1685	+ '</a></p>';
	1686	+ wp_die( $error_message, $page_title );
	1687	+ } else { // if ( $auth_settings['access_redirect'] === 'login' ) {
	1688	+ wp_redirect( wp_login_url( $current_path ), 302 );
	1689	+ exit;
	1690	+ }
	1691	+
	1692	+ // Sanity check: we should never get here
	1693	+ wp_die( '<p>Access denied.</p>', 'Site Access Restricted' );
	1694	+ }
	1695	+
	1696	+
	1697	+ /**
	1698	+ * On an admin page load, check for edge case (network-approved user who has
	1699	+ * not yet been added to this particular blog in a multisite). Note: we do
	1700	+ * this because check_user_access() runs on the parse_request hook, which
	1701	+ * does not fire on wp-admin pages.
	1702	+ *
	1703	+ * Hook: admin_menu
	1704	+ */
	1705	+ public function init__maybe_add_network_approved_user() {
	1706	+ global $current_user;
	1707	+
	1708	+ // If this is a multisite install and we have a logged in user that's not
	1709	+ // a member of this blog, but is (network) approved, add them to this blog.
	1710	+ if (
	1711	+ is_admin() &&
	1712	+ is_multisite() &&
	1713	+ is_user_logged_in() &&
	1714	+ ! is_user_member_of_blog() &&
	1715	+ $this->is_email_in_list( $current_user->user_email, 'approved' )
	1716	+ ) {
	1717	+ // Get all approved users.
	1718	+ $auth_settings_access_users_approved = $this->sanitize_user_list(
	1719	+ array_merge(
	1720	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN ),
	1721	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	1722	+ )
	1723	+ );
	1724	+
	1725	+ // Get user info (we need user role).
	1726	+ $user_info = $this->get_user_info_from_list(
	1727	+ $current_user->user_email,
	1728	+ $auth_settings_access_users_approved
	1729	+ );
	1730	+
	1731	+ // Add user to blog.
	1732	+ add_user_to_blog( get_current_blog_id(), $current_user->ID, $user_info['role'] );
	1733	+
	1734	+ // Refresh user permissions.
	1735	+ $current_user = new WP_User( $current_user->ID );
	1736	+ }
	1737	+ }
	1738	+
	1739	+
	1740	+
	1741	+ /**
	1742	+ * ***************************
	1743	+ * Login page (wp-login.php)
	1744	+ * ***************************
	1745	+ */
	1746	+
	1747	+
	1748	+
	1749	+ /**
	1750	+ * Add custom error message to login screen.
	1751	+ * Filter: login_errors
	1752	+ */
	1753	+ function show_advanced_login_error( $errors ) {
	1754	+ $error = get_option( 'auth_settings_advanced_login_error' );
	1755	+ delete_option( 'auth_settings_advanced_login_error' );
	1756	+ $errors = ' ' . $error . "<br />\n";
	1757	+ return $errors;
	1758	+ }
	1759	+
	1760	+
	1761	+ /**
	1762	+ * Load external resources for the public-facing site.
	1763	+ */
	1764	+ function auth_public_scripts() {
	1765	+ // Load (and localize) public scripts
	1766	+ $current_path = empty( $_SERVER['REQUEST_URI'] ) ? home_url() : $_SERVER['REQUEST_URI'];
	1767	+ wp_enqueue_script( 'auth_public_scripts', plugins_url( '/js/authorizer-public.js', __FILE__ ), array( 'jquery' ), '2.3.2' );
	1768	+ $auth_localized = array(
	1769	+ 'wp_login_url' => wp_login_url( $current_path ),
	1770	+ 'public_warning' => get_option( 'auth_settings_advanced_public_notice' ),
	1771	+ 'anonymous_notice' => $this->get_plugin_option( 'access_redirect_to_message' ),
	1772	+ 'log_in' => esc_html__( 'Log In', 'authorizer' ),
	1773	+ );
	1774	+ wp_localize_script( 'auth_public_scripts', 'auth', $auth_localized );
	1775	+ //update_option( 'auth_settings_advanced_public_notice', false);
	1776	+
	1777	+ // Load public css
	1778	+ wp_register_style( 'authorizer-public-css', plugins_url( 'css/authorizer-public.css', __FILE__ ), array(), '2.3.2' );
	1779	+ wp_enqueue_style( 'authorizer-public-css' );
	1780	+ }
	1781	+
	1782	+
	1783	+ /**
	1784	+ * Enqueue JS scripts and CSS styles appearing on wp-login.php.
	1785	+ *
	1786	+ * @return void
	1787	+ */
	1788	+ function login_enqueue_scripts_and_styles() {
	1789	+ // Grab plugin settings.
	1790	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	1791	+
	1792	+ // Enqueue scripts appearing on wp-login.php.
	1793	+ wp_enqueue_script( 'auth_login_scripts', plugins_url( '/js/authorizer-login.js', __FILE__ ), array( 'jquery' ), '2.3.2' );
	1794	+
	1795	+ // Enqueue styles appearing on wp-login.php.
	1796	+ wp_register_style( 'authorizer-login-css', plugins_url( '/css/authorizer-login.css', __FILE__ ), array(), '2.3.2' );
	1797	+ wp_enqueue_style( 'authorizer-login-css' );
	1798	+
	1799	+ /**
	1800	+ * Developers can use the `authorizer_add_branding_option` filter
	1801	+ * to add a radio button for "Custom WordPress login branding"
	1802	+ * under the "Advanced" tab in Authorizer options. Example:
	1803	+ *
	1804	+ * function my_authorizer_add_branding_option( $branding_options ) {
	1805	+ * $new_branding_option = array(
	1806	+ * 'value' => 'your_brand'
	1807	+ * 'description' => 'Custom Your Brand Login Screen',
	1808	+ * 'css_url' => 'http://url/to/your_brand.css',
	1809	+ * 'js_url' => 'http://url/to/your_brand.js',
	1810	+ * );
	1811	+ * array_push( $branding_options, $new_branding_option );
	1812	+ * return $branding_options;
	1813	+ * }
	1814	+ * add_filter( 'authorizer_add_branding_option', 'my_authorizer_add_branding_option' );
	1815	+ */
	1816	+ $branding_options = array();
	1817	+ $branding_options = apply_filters( 'authorizer_add_branding_option', $branding_options );
	1818	+ foreach ( $branding_options as $branding_option ) {
	1819	+ // Make sure the custom brands have the required values
	1820	+ if ( ! ( is_array( $branding_option ) && array_key_exists( 'value', $branding_option ) && array_key_exists( 'css_url', $branding_option ) && array_key_exists( 'js_url', $branding_option ) ) ) {
	1821	+ continue;
	1822	+ }
	1823	+ if ( $auth_settings['advanced_branding'] === $branding_option['value'] ) {
	1824	+ wp_enqueue_script( 'auth_login_custom_scripts-' . sanitize_title( $branding_option['value'] ), $branding_option['js_url'], array( 'jquery' ), '2.3.2' );
	1825	+ wp_register_style( 'authorizer-login-custom-css-' . sanitize_title( $branding_option['value'] ), $branding_option['css_url'], array(), '2.3.2' );
	1826	+ wp_enqueue_style( 'authorizer-login-custom-css-' . sanitize_title( $branding_option['value'] ) );
	1827	+ }
	1828	+ }
	1829	+
	1830	+ // If we're using Google logins, load those resources.
	1831	+ if ( $auth_settings['google'] === '1' ) {
	1832	+ wp_enqueue_script( 'authorizer-login-custom-google', plugins_url( '/js/authorizer-login-custom_google.js', __FILE__ ), array( 'jquery' ), '2.3.2' ); ?>
	1833	+ <meta name="google-signin-clientid" content="<?php echo $auth_settings['google_clientid']; ?>" />
	1834	+ <meta name="google-signin-scope" content="email" />
	1835	+ <meta name="google-signin-cookiepolicy" content="single_host_origin" />
	1836	+ <?php
	1837	+ }
	1838	+ }
	1839	+
	1840	+
	1841	+ /**
	1842	+ * Load external resources in the footer of the wp-login.php page.
	1843	+ * Run on action hook: login_footer
	1844	+ */
	1845	+ function load_login_footer_js() {
	1846	+ // Grab plugin settings.
	1847	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' ); ?>
	1848	+ <?php if ( $auth_settings['google'] === '1' ): ?>
	1849	+ <script type="text/javascript">
	1850	+ // Reload login page if reauth querystring param exists,
	1851	+ // since reauth interrupts external logins (e.g., google).
	1852	+ if ( location.search.indexOf( 'reauth=1' ) >= 0 ) {
	1853	+ location.href = location.href.replace( 'reauth=1', '' );
	1854	+ }
	1855	+
	1856	+ function auth_update_querystring_param( uri, key, value ) {
	1857	+ var re = new RegExp( '([?&])' + key + '=.*?(&|$)', 'i' );
	1858	+ var separator = uri.indexOf( '?' ) !== -1 ? '&' : '?';
	1859	+ if ( uri.match( re ) ) {
	1860	+ return uri.replace( re, '$1' + key + '=' + value + '$2' );
	1861	+ } else {
	1862	+ return uri + separator + key + '=' + value;
	1863	+ }
	1864	+ }
	1865	+
	1866	+ function signInCallback( authResult ) {
	1867	+ var $ = jQuery;
	1868	+ if ( authResult['status'] && authResult['status']['signed_in'] ) {
	1869	+ // Hide the sign-in button now that the user is authorized, for example:
	1870	+ $( '#googleplus_button' ).attr( 'style', 'display: none' );
	1871	+
	1872	+ // Send the code to the server
	1873	+ var ajaxurl = '<?php echo admin_url( "admin-ajax.php" ); ?>';
	1874	+ $.post(ajaxurl, {
	1875	+ action: 'process_google_login',
	1876	+ 'code': authResult['code'],
	1877	+ 'nonce': $('#nonce_google_auth-<?php echo $this->get_cookie_value(); ?>' ).val(),
	1878	+ }, function( response ) {
	1879	+ // Handle or verify the server response if necessary.
	1880	+ //console.log( response );
	1881	+
	1882	+ // Reload wp-login.php to continue the authentication process.
	1883	+ var new_href = auth_update_querystring_param( location.href, 'external', 'google' );
	1884	+ if ( location.href === new_href ) {
	1885	+ location.reload();
	1886	+ } else {
	1887	+ location.href = new_href;
	1888	+ }
	1889	+ });
	1890	+ } else {
	1891	+ // Update the app to reflect a signed out user
	1892	+ // Possible error values:
	1893	+ // "user_signed_out" - User is signed-out
	1894	+ // "access_denied" - User denied access to your app
	1895	+ // "immediate_failed" - Could not automatically log in the user
	1896	+ //console.log('Sign-in state: ' + authResult['error']);
	1897	+
	1898	+ // If user denies access, reload the login page.
	1899	+ if ( authResult['error'] === 'access_denied' || authResult['error'] === 'user_signed_out' ) {
	1900	+ window.location.reload();
	1901	+ }
	1902	+ }
	1903	+ }
	1904	+ </script>
	1905	+ <?php endif;
	1906	+ }
	1907	+
	1908	+
	1909	+ /**
	1910	+ * Create links for any external authentication services that are enabled.
	1911	+ */
	1912	+ function login_form_add_external_service_links() {
	1913	+ // Grab plugin settings.
	1914	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' ); ?>
	1915	+ <div id="auth-external-service-login">
	1916	+ <?php if ( $auth_settings['google'] === '1' ): ?>
	1917	+ <p><a id="googleplus_button" class="button button-primary button-external button-google"><span class="dashicons dashicons-googleplus"></span><span class="label"><?php _e( 'Sign in with Google', 'authorizer' ); ?></span></a></p>
	1918	+ <?php wp_nonce_field( 'google_csrf_nonce', 'nonce_google_auth-' . $this->get_cookie_value() ); ?>
	1919	+ <?php endif; ?>
	1920	+
	1921	+ <?php if ( $auth_settings['cas'] === '1' ): ?>
	1922	+ <p><a class="button button-primary button-external button-cas" href="<?php echo $this->modify_current_url_for_cas_login(); ?>">
	1923	+ <span class="dashicons dashicons-lock"></span>
	1924	+ <span class="label"><?php
	1925	+ printf(
	1926	+ /* TRANSLATORS: %s: Custom CAS label from authorizer options */
	1927	+ __( 'Sign in with %s', 'authorizer' ),
	1928	+ $auth_settings['cas_custom_label']
	1929	+ );
	1930	+ ?></span>
	1931	+ </a></p>
	1932	+ <?php endif; ?>
	1933	+
	1934	+ <?php if ( $auth_settings['advanced_hide_wp_login'] === '1' && strpos( $_SERVER['QUERY_STRING'], 'external=wordpress' ) === false ): ?>
	1935	+ <style type="text/css">
	1936	+ #loginform {
	1937	+ padding-bottom: 8px !important;
	1938	+ }
	1939	+ #loginform p>label, #loginform p.forgetmenot, #loginform p.submit, p#nav {
	1940	+ display: none !important;
	1941	+ }
	1942	+ </style>
	1943	+ <?php elseif ( $auth_settings['cas'] === '1' || $auth_settings['google'] === '1' ): ?>
	1944	+ <h3> &mdash; <?php _e( 'or', 'authorizer' ); ?> &mdash; </h3>
	1945	+ <?php endif; ?>
	1946	+ </div>
	1947	+ <?php
	1948	+
	1949	+ }
	1950	+
	1951	+
	1952	+ /**
	1953	+ * Redirect to CAS login when visiting login page (only if option is
	1954	+ * enabled, CAS is the only service, and WordPress logins are hidden).
	1955	+ * Note: hook into wp_login_errors filter so this fires after the
	1956	+ * authenticate hook (where the redirect to CAS happens), but before html
	1957	+ * output is started (so the redirect header doesn't complain about data
	1958	+ * already being sent).
	1959	+ */
	1960	+ function wp_login_errors__maybe_redirect_to_cas( $errors, $redirect_to ) {
	1961	+ // Grab plugin settings.
	1962	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	1963	+
	1964	+ // Check whether we should redirect to CAS.
	1965	+ if (
	1966	+ strpos( $_SERVER['QUERY_STRING'], 'external=wordpress' ) === false &&
	1967	+ array_key_exists( 'cas_auto_login', $auth_settings ) && $auth_settings['cas_auto_login'] === '1' &&
	1968	+ array_key_exists( 'cas', $auth_settings ) && $auth_settings['cas'] === '1' &&
	1969	+ ( ! array_key_exists( 'ldap', $auth_settings ) || $auth_settings['ldap'] !== '1' ) &&
	1970	+ ( ! array_key_exists( 'google', $auth_settings ) || $auth_settings['google'] !== '1' ) &&
	1971	+ array_key_exists( 'advanced_hide_wp_login', $auth_settings ) && $auth_settings['advanced_hide_wp_login'] === '1'
	1972	+ ) {
	1973	+ wp_redirect( $this->modify_current_url_for_cas_login() );
	1974	+ exit;
	1975	+ }
	1976	+
	1977	+ return $errors;
	1978	+ }
	1979	+
	1980	+
	1981	+ /**
	1982	+ * Set a unique cookie to add to Google auth nonce to avoid CSRF detection.
	1983	+ * Note: hook into login_init so this fires at the start of the visit to
	1984	+ * wp-login.php, but before any html output is started (so setting the
	1985	+ * cookie header doesn't complain about data already being sent).
	1986	+ */
	1987	+ function login_init__maybe_set_google_nonce_cookie() {
	1988	+ // Grab plugin settings.
	1989	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	1990	+
	1991	+ // If Google logins are enabled, make sure the cookie is set.
	1992	+ if ( array_key_exists( 'google', $auth_settings ) && $auth_settings['google'] === '1' ) {
	1993	+ if ( ! isset( $_COOKIE['login_unique'] ) ) {
	1994	+ $this->cookie_value = md5( rand() );
	1995	+ setcookie( 'login_unique', $this->cookie_value, time()+1800, '/', defined( 'COOKIE_DOMAIN' ) ? COOKIE_DOMAIN : '' );
	1996	+ $_COOKIE['login_unique'] = $this->cookie_value;
	1997	+ }
	1998	+ }
	1999	+ }
	2000	+
	2001	+
	2002	+ /**
	2003	+ * Implements hook: do_action( 'wp_login_failed', $username );
	2004	+ * Update the user meta for the user that just failed logging in.
	2005	+ * Keep track of time of last failed attempt and number of failed attempts.
	2006	+ */
	2007	+ function update_login_failed_count( $username ) {
	2008	+ // Grab plugin settings.
	2009	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	2010	+
	2011	+ // Get user trying to log in.
	2012	+ // If this isn't a real user, update the global failed attempt
	2013	+ // variables. We'll use these global variables to institute the
	2014	+ // lockouts on nonexistent accounts. We do this so an attacker
	2015	+ // won't be able to determine which accounts are real by which
	2016	+ // accounts get locked out on multiple invalid attempts.
	2017	+ $user = get_user_by( 'login', $username );
	2018	+
	2019	+ if ( $user !== FALSE ) {
	2020	+ $last_attempt = get_user_meta( $user->ID, 'auth_settings_advanced_lockouts_time_last_failed', true );
	2021	+ $num_attempts = get_user_meta( $user->ID, 'auth_settings_advanced_lockouts_failed_attempts', true );
	2022	+ } else {
	2023	+ $last_attempt = get_option( 'auth_settings_advanced_lockouts_time_last_failed' );
	2024	+ $num_attempts = get_option( 'auth_settings_advanced_lockouts_failed_attempts' );
	2025	+ }
	2026	+
	2027	+ // Make sure $last_attempt (time) and $num_attempts are positive integers.
	2028	+ // Note: this addresses resetting them if either is unset from above.
	2029	+ $last_attempt = abs( intval( $last_attempt ) );
	2030	+ $num_attempts = abs( intval( $num_attempts ) );
	2031	+
	2032	+ // Reset the failed attempt count if the time since the last
	2033	+ // failed attempt is greater than the reset duration.
	2034	+ $time_since_last_fail = time() - $last_attempt;
	2035	+ $reset_duration = $auth_settings['advanced_lockouts']['reset_duration'] * 60; // minutes to seconds
	2036	+ if ( $time_since_last_fail > $reset_duration ) {
	2037	+ $num_attempts = 0;
	2038	+ }
	2039	+
	2040	+ // Set last failed time to now and increment last failed count.
	2041	+ if ( $user !== FALSE ) {
	2042	+ update_user_meta( $user->ID, 'auth_settings_advanced_lockouts_time_last_failed', time() );
	2043	+ update_user_meta( $user->ID, 'auth_settings_advanced_lockouts_failed_attempts', $num_attempts + 1 );
	2044	+ } else {
	2045	+ update_option( 'auth_settings_advanced_lockouts_time_last_failed', time() );
	2046	+ update_option( 'auth_settings_advanced_lockouts_failed_attempts', $num_attempts + 1 );
	2047	+ }
	2048	+ }
	2049	+
	2050	+
	2051	+ /**
	2052	+ * When they successfully log in, make sure WordPress users are in the approved list.
	2053	+ *
	2054	+ * @action wp_login
	2055	+ *
	2056	+ * @param string $user_login Username of the user logging in.
	2057	+ * @param WP_User $user WP_User object of the user logging in.
	2058	+ * @return null
	2059	+ */
	2060	+ function ensure_wordpress_user_in_approved_list_on_login( $user_login, $user ) {
	2061	+ $this->add_user_to_authorizer_when_created( $user->user_email, $user->user_registered, $user->user_roles );
	2062	+ }
	2063	+
	2064	+
	2065	+ /**
	2066	+ * Overwrite the URL for the lost password link on the login form.
	2067	+ * If we're authenticating against an external service, standard
	2068	+ * WordPress password resets won't work.
	2069	+ */
	2070	+ function custom_lostpassword_url( $lostpassword_url ) {
	2071	+ // Grab plugin settings.
	2072	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	2073	+
	2074	+ if (
	2075	+ array_key_exists( 'ldap_lostpassword_url', $auth_settings ) &&
	2076	+ filter_var( $auth_settings['ldap_lostpassword_url'], FILTER_VALIDATE_URL )
	2077	+ ) {
	2078	+ $lostpassword_url = $auth_settings['ldap_lostpassword_url'];
	2079	+ }
	2080	+ return $lostpassword_url;
	2081	+ }
	2082	+
	2083	+
	2084	+
	2085	+ /**
	2086	+ * ***************************
	2087	+ * Options page
	2088	+ * ***************************
	2089	+ */
	2090	+
	2091	+
	2092	+
	2093	+ /**
	2094	+ * Add a link to this plugin's settings page from the WordPress Plugins page.
	2095	+ * Called from "plugin_action_links" filter in __construct() above.
	2096	+ *
	2097	+ * @param array $links array of links in the admin sidebar
	2098	+ *
	2099	+ * @return array of links to show in the admin sidebar.
	2100	+ */
	2101	+ public function plugin_settings_link( $links ) {
	2102	+ $admin_menu = $this->get_plugin_option( 'advanced_admin_menu' );
	2103	+ $settings_url = $admin_menu === 'settings' ? admin_url( 'options-general.php?page=authorizer' ) : admin_url( 'admin.php?page=authorizer' );
	2104	+ array_unshift( $links, '<a href="' . $settings_url . '">' . __( 'Settings', 'authorizer' ) . '</a>' );
	2105	+ return $links;
	2106	+ }
	2107	+
	2108	+
	2109	+ /**
	2110	+ * Add a link to this plugin's network settings page from the WordPress Plugins page.
	2111	+ * Called from "network_admin_plugin_action_links" filter in __construct() above.
	2112	+ *
	2113	+ * @param array $links array of links in the network admin sidebar
	2114	+ *
	2115	+ * @return array of links to show in the network admin sidebar.
	2116	+ */
	2117	+ public function network_admin_plugin_settings_link( $links ) {
	2118	+ $settings_link = '<a href="admin.php?page=authorizer">' . __( 'Network Settings', 'authorizer' ) . '</a>';
	2119	+ array_unshift( $links, $settings_link );
	2120	+ return $links;
	2121	+ }
	2122	+
	2123	+
	2124	+ /**
	2125	+ * Create the options page under Dashboard > Settings
	2126	+ * Run on action hook: admin_menu
	2127	+ */
	2128	+ public function add_plugin_page() {
	2129	+ $admin_menu = $this->get_plugin_option( 'advanced_admin_menu' );
	2130	+ if ( $admin_menu === 'settings' ) {
	2131	+ // @see http://codex.wordpress.org/Function_Reference/add_options_page
	2132	+ add_options_page(
	2133	+ 'Authorizer', // Page title
	2134	+ 'Authorizer', // Menu title
	2135	+ 'create_users', // Capability
	2136	+ 'authorizer', // Menu slug
	2137	+ array( $this, 'create_admin_page' ) // function
	2138	+ );
	2139	+ } else {
	2140	+ // @see http://codex.wordpress.org/Function_Reference/add_menu_page
	2141	+ add_menu_page(
	2142	+ 'Authorizer', // Page title
	2143	+ 'Authorizer', // Menu title
	2144	+ 'create_users', // Capability
	2145	+ 'authorizer', // Menu slug
	2146	+ array( $this, 'create_admin_page' ), // callback
	2147	+ 'dashicons-groups', // icon
	2148	+ '99.0018465' // position (decimal is to make overlap with other plugins less likely)
	2149	+ );
	2150	+ }
	2151	+ }
	2152	+
	2153	+
	2154	+ /**
	2155	+ * Output the HTML for the options page
	2156	+ */
	2157	+ public function create_admin_page() { ?>
	2158	+ <div class="wrap">
	2159	+ <h2><?php _e( 'Authorizer Settings', 'authorizer' ); ?></h2>
	2160	+ <form method="post" action="options.php" autocomplete="off"><?php
	2161	+ // This prints out all hidden settings fields
	2162	+ // @see http://codex.wordpress.org/Function_Reference/settings_fields
	2163	+ settings_fields( 'auth_settings_group' );
	2164	+ // This prints out all the sections
	2165	+ // @see http://codex.wordpress.org/Function_Reference/do_settings_sections
	2166	+ do_settings_sections( 'authorizer' );
	2167	+ submit_button(); ?>
	2168	+ </form>
	2169	+ </div><?php
	2170	+ }
	2171	+
	2172	+
	2173	+ /**
	2174	+ * Load external resources on this plugin's options page.
	2175	+ * Run on action hooks: load-settings_page_authorizer, load-toplevel_page_authorizer, admin_head-index.php
	2176	+ */
	2177	+ public function load_options_page() {
	2178	+ wp_enqueue_script(
	2179	+ 'authorizer',
	2180	+ plugins_url( 'js/authorizer.js', __FILE__ ),
	2181	+ array( 'jquery-effects-shake' ), '2.7.0', true
	2182	+ );
	2183	+ wp_localize_script( 'authorizer', 'auth_L10n', array(
	2184	+ 'baseurl' => get_bloginfo( 'url' ),
	2185	+ 'saved' => esc_html__( 'Saved', 'authorizer' ),
	2186	+ 'duplicate' => esc_html__( 'Duplicate', 'authorizer' ),
	2187	+ 'failed' => esc_html__( 'Failed', 'authorizer' ),
	2188	+ 'local_wordpress_user' => esc_html__( 'Local WordPress user', 'authorizer' ),
	2189	+ 'block_ban_user' => esc_html__( 'Block/Ban user', 'authorizer' ),
	2190	+ 'remove_user' => esc_html__( 'Remove user', 'authorizer' ),
	2191	+ 'no_users_in' => esc_html__( 'No users in', 'authorizer' ),
	2192	+ 'save_changes' => esc_html__( 'Save Changes', 'authorizer' ),
	2193	+ 'private_pages' => esc_html__( 'Private Pages', 'authorizer' ),
	2194	+ 'public_pages' => esc_html__( 'Public Pages', 'authorizer' ),
	2195	+ 'first_page' => esc_html__( 'First page' ),
	2196	+ 'previous_page' => esc_html__( 'Previous page' ),
	2197	+ 'next_page' => esc_html__( 'Next page' ),
	2198	+ 'last_page' => esc_html__( 'Last page' ),
	2199	+ 'is_network_admin' => is_network_admin(),
	2200	+ ));
	2201	+
	2202	+ wp_enqueue_script(
	2203	+ 'jquery-autogrow-textarea',
	2204	+ plugins_url( 'vendor/jquery.autogrow-textarea/jquery.autogrow-textarea.js', __FILE__ ),
	2205	+ array( 'jquery' ), '2.7.0', true
	2206	+ );
	2207	+
	2208	+ wp_enqueue_script(
	2209	+ 'jquery.multi-select',
	2210	+ plugins_url( 'vendor/jquery.multi-select/js/jquery.multi-select.js', __FILE__ ),
	2211	+ array( 'jquery' ), '1.8', true
	2212	+ );
	2213	+
	2214	+ wp_register_style( 'authorizer-css', plugins_url( 'css/authorizer.css', __FILE__ ), array(), '2.7.0' );
	2215	+ wp_enqueue_style( 'authorizer-css' );
	2216	+
	2217	+ wp_register_style( 'jquery-multi-select-css', plugins_url( 'vendor/jquery.multi-select/css/multi-select.css', __FILE__ ), array(), '1.8' );
	2218	+ wp_enqueue_style( 'jquery-multi-select-css' );
	2219	+
	2220	+ add_action( 'admin_notices', array( $this, 'admin_notices' ) ); // Add any notices to the top of the options page.
	2221	+ add_action( 'admin_head', array( $this, 'admin_head' ) ); // Add help documentation to the options page.
	2222	+ }
	2223	+
	2224	+
	2225	+ /**
	2226	+ * Show custom admin notice.
	2227	+ * Filter: admin_notice
	2228	+ */
	2229	+ function show_advanced_admin_notice() {
	2230	+ $notice = get_option( 'auth_settings_advanced_admin_notice' );
	2231	+ delete_option( 'auth_settings_advanced_admin_notice' );
	2232	+
	2233	+ if ( $notice && strlen( $notice ) > 0 ) { ?>
	2234	+ <div class="error">
	2235	+ <p><?php echo $notice; ?></p>
	2236	+ </div><?php
	2237	+ }
	2238	+ }
	2239	+
	2240	+
	2241	+ /**
	2242	+ * Add notices to the top of the options page.
	2243	+ * Run on action hook chain: load-settings_page_authorizer > admin_notices
	2244	+ * Description: Check for invalid settings combinations and show a warning message, e.g.:
	2245	+ * if ( cas url inaccessible ) : ?>
	2246	+ * <div class='updated settings-error'><p>Can't reach CAS server.</p></div>
	2247	+ * <?php endif;
	2248	+ */
	2249	+ public function admin_notices() {
	2250	+ // Grab plugin settings.
	2251	+ $auth_settings = $this->get_plugin_options( SINGLE_ADMIN, 'allow override' );
	2252	+
	2253	+ if ( $auth_settings['cas'] === '1' ) :
	2254	+ // Check if provided CAS URL is accessible.
	2255	+ $protocol = in_array( $auth_settings['cas_port'], array( '80', '8080' ) ) ? 'http' : 'https';
	2256	+ $cas_url = $protocol . '://' . $auth_settings['cas_host'] . ':' . $auth_settings['cas_port'] . $auth_settings['cas_path'];
	2257	+ $cas_url = trailingslashit( $cas_url ) . 'login'; // Check the specific CAS login endpoint
	2258	+ if ( ! $this->url_is_accessible( $cas_url ) ) :
	2259	+ $authorizer_options_url = $auth_settings['advanced_admin_menu'] === 'settings' ? admin_url( 'options-general.php?page=authorizer' ) : admin_url( '?page=authorizer' );
	2260	+ ?><div class='notice notice-warning is-dismissible'>
	2261	+ <p><?php _e( "Can't reach CAS server. Please provide", 'authorizer' ); ?> <a href='<?php echo $authorizer_options_url; ?>&tab=external'><?php _e( 'accurate CAS settings', 'authorizer' ); ?></a> <?php _e( 'if you intend to use it.', 'authorizer' ); ?></p>
	2262	+ </div><?php
	2263	+ endif;
	2264	+ endif;
	2265	+ }
	2266	+
	2267	+
	2268	+ /**
	2269	+ * Create sections and options
	2270	+ * Run on action hook: admin_init
	2271	+ */
	2272	+ public function page_init() {
	2273	+ // Create one setting that holds all the options (array)
	2274	+ // @see http://codex.wordpress.org/Function_Reference/register_setting
	2275	+ // @see http://codex.wordpress.org/Function_Reference/add_settings_section
	2276	+ // @see http://codex.wordpress.org/Function_Reference/add_settings_field
	2277	+ register_setting(
	2278	+ 'auth_settings_group', // Option group
	2279	+ 'auth_settings', // Option name
	2280	+ array( $this, 'sanitize_options' ) // Sanitize callback
	2281	+ );
	2282	+
	2283	+ add_settings_section(
	2284	+ 'auth_settings_tabs', // HTML element ID
	2285	+ '', // HTML element Title
	2286	+ array( $this, 'print_section_info_tabs' ), // Callback (echos section content)
	2287	+ 'authorizer' // Page this section is shown on (slug)
	2288	+ );
	2289	+
	2290	+ // Create Access Lists section
	2291	+ add_settings_section(
	2292	+ 'auth_settings_lists', // HTML element ID
	2293	+ '', // HTML element Title
	2294	+ array( $this, 'print_section_info_access_lists' ), // Callback (echos section content)
	2295	+ 'authorizer' // Page this section is shown on (slug)
	2296	+ );
	2297	+
	2298	+ // Create Login Access section
	2299	+ add_settings_section(
	2300	+ 'auth_settings_access_login', // HTML element ID
	2301	+ '', // HTML element Title
	2302	+ array( $this, 'print_section_info_access_login' ), // Callback (echos section content)
	2303	+ 'authorizer' // Page this section is shown on (slug)
	2304	+ );
	2305	+ add_settings_field(
	2306	+ 'auth_settings_access_who_can_login', // HTML element ID
	2307	+ __( 'Who can log into the site?', 'authorizer' ), // HTML element Title
	2308	+ array( $this, 'print_radio_auth_access_who_can_login' ), // Callback (echos form element)
	2309	+ 'authorizer', // Page this setting is shown on (slug)
	2310	+ 'auth_settings_access_login' // Section this setting is shown on
	2311	+ );
	2312	+ add_settings_field(
	2313	+ 'auth_settings_access_role_receive_pending_emails', // HTML element ID
	2314	+ __( 'Which role should receive email notifications about pending users?', 'authorizer' ), // HTML element Title
	2315	+ array( $this, 'print_select_auth_access_role_receive_pending_emails' ), // Callback (echos form element)
	2316	+ 'authorizer', // Page this setting is shown on (slug)
	2317	+ 'auth_settings_access_login' // Section this setting is shown on
	2318	+ );
	2319	+ add_settings_field(
	2320	+ 'auth_settings_access_pending_redirect_to_message', // HTML element ID
	2321	+ __( 'What message should pending users see after attempting to log in?', 'authorizer' ), // HTML element Title
	2322	+ array( $this, 'print_wysiwyg_auth_access_pending_redirect_to_message' ), // Callback (echos form element)
	2323	+ 'authorizer', // Page this setting is shown on (slug)
	2324	+ 'auth_settings_access_login' // Section this setting is shown on
	2325	+ );
	2326	+ add_settings_field(
	2327	+ 'auth_settings_access_blocked_redirect_to_message', // HTML element ID
	2328	+ __( 'What message should blocked users see after attempting to log in?', 'authorizer' ), // HTML element Title
	2329	+ array( $this, 'print_wysiwyg_auth_access_blocked_redirect_to_message' ), // Callback (echos form element)
	2330	+ 'authorizer', // Page this setting is shown on (slug)
	2331	+ 'auth_settings_access_login' // Section this setting is shown on
	2332	+ );
	2333	+ add_settings_field(
	2334	+ 'auth_settings_access_should_email_approved_users', // HTML element ID
	2335	+ __( 'Send welcome email to new approved users?', 'authorizer' ), // HTML element Title
	2336	+ array( $this, 'print_checkbox_auth_access_should_email_approved_users' ), // Callback (echos form element)
	2337	+ 'authorizer', // Page this setting is shown on (slug)
	2338	+ 'auth_settings_access_login' // Section this setting is shown on
	2339	+ );
	2340	+ add_settings_field(
	2341	+ 'auth_settings_access_email_approved_users_subject', // HTML element ID
	2342	+ __( 'Welcome email subject', 'authorizer' ), // HTML element Title
	2343	+ array( $this, 'print_text_auth_access_email_approved_users_subject' ), // Callback (echos form element)
	2344	+ 'authorizer', // Page this setting is shown on (slug)
	2345	+ 'auth_settings_access_login' // Section this setting is shown on
	2346	+ );
	2347	+ add_settings_field(
	2348	+ 'auth_settings_access_email_approved_users_body', // HTML element ID
	2349	+ __( 'Welcome email body', 'authorizer' ), // HTML element Title
	2350	+ array( $this, 'print_wysiwyg_auth_access_email_approved_users_body' ), // Callback (echos form element)
	2351	+ 'authorizer', // Page this setting is shown on (slug)
	2352	+ 'auth_settings_access_login' // Section this setting is shown on
	2353	+ );
	2354	+
	2355	+
	2356	+ // Create Public Access section
	2357	+ add_settings_section(
	2358	+ 'auth_settings_access_public', // HTML element ID
	2359	+ '', // HTML element Title
	2360	+ array( $this, 'print_section_info_access_public' ), // Callback (echos section content)
	2361	+ 'authorizer' // Page this section is shown on (slug)
	2362	+ );
	2363	+ add_settings_field(
	2364	+ 'auth_settings_access_who_can_view', // HTML element ID
	2365	+ __( 'Who can view the site?', 'authorizer' ), // HTML element Title
	2366	+ array( $this, 'print_radio_auth_access_who_can_view' ), // Callback (echos form element)
	2367	+ 'authorizer', // Page this setting is shown on (slug)
	2368	+ 'auth_settings_access_public' // Section this setting is shown on
	2369	+ );
	2370	+ add_settings_field(
	2371	+ 'auth_settings_access_public_pages', // HTML element ID
	2372	+ __( 'What pages (if any) should be available to everyone?', 'authorizer' ), // HTML element Title
	2373	+ array( $this, 'print_multiselect_auth_access_public_pages' ), // Callback (echos form element)
	2374	+ 'authorizer', // Page this setting is shown on (slug)
	2375	+ 'auth_settings_access_public' // Section this setting is shown on
	2376	+ );
	2377	+ add_settings_field(
	2378	+ 'auth_settings_access_redirect', // HTML element ID
	2379	+ __( 'What happens to people without access when they visit a private page?', 'authorizer' ), // HTML element Title
	2380	+ array( $this, 'print_radio_auth_access_redirect' ), // Callback (echos form element)
	2381	+ 'authorizer', // Page this setting is shown on (slug)
	2382	+ 'auth_settings_access_public' // Section this setting is shown on
	2383	+ );
	2384	+ add_settings_field(
	2385	+ 'auth_settings_access_public_warning', // HTML element ID
	2386	+ __( 'What happens to people without access when they visit a public page?', 'authorizer' ), // HTML element Title
	2387	+ array( $this, 'print_radio_auth_access_public_warning' ), // Callback (echos form element)
	2388	+ 'authorizer', // Page this setting is shown on (slug)
	2389	+ 'auth_settings_access_public' // Section this setting is shown on
	2390	+ );
	2391	+ add_settings_field(
	2392	+ 'auth_settings_access_redirect_to_message', // HTML element ID
	2393	+ __( 'What message should people without access see?', 'authorizer' ), // HTML element Title
	2394	+ array( $this, 'print_wysiwyg_auth_access_redirect_to_message' ), // Callback (echos form element)
	2395	+ 'authorizer', // Page this setting is shown on (slug)
	2396	+ 'auth_settings_access_public' // Section this setting is shown on
	2397	+ );
	2398	+
	2399	+ // Create External Service Settings section
	2400	+ add_settings_section(
	2401	+ 'auth_settings_external', // HTML element ID
	2402	+ '', // HTML element Title
	2403	+ array( $this, 'print_section_info_external' ), // Callback (echos section content)
	2404	+ 'authorizer' // Page this section is shown on (slug)
	2405	+ );
	2406	+ add_settings_field(
	2407	+ 'auth_settings_access_default_role', // HTML element ID
	2408	+ __( 'Default role for new users', 'authorizer' ), // HTML element Title
	2409	+ array( $this, 'print_select_auth_access_default_role' ), // Callback (echos form element)
	2410	+ 'authorizer', // Page this setting is shown on (slug)
	2411	+ 'auth_settings_external' // Section this setting is shown on
	2412	+ );
	2413	+ add_settings_field(
	2414	+ 'auth_settings_external_google', // HTML element ID
	2415	+ __( 'Google Logins', 'authorizer' ), // HTML element Title
	2416	+ array( $this, 'print_checkbox_auth_external_google' ), // Callback (echos form element)
	2417	+ 'authorizer', // Page this setting is shown on (slug)
	2418	+ 'auth_settings_external' // Section this setting is shown on
	2419	+ );
	2420	+ add_settings_field(
	2421	+ 'auth_settings_google_clientid', // HTML element ID
	2422	+ __( 'Google Client ID', 'authorizer' ), // HTML element Title
	2423	+ array( $this, 'print_text_google_clientid' ), // Callback (echos form element)
	2424	+ 'authorizer', // Page this setting is shown on (slug)
	2425	+ 'auth_settings_external' // Section this setting is shown on
	2426	+ );
	2427	+ add_settings_field(
	2428	+ 'auth_settings_google_clientsecret', // HTML element ID
	2429	+ __( 'Google Client Secret', 'authorizer' ), // HTML element Title
	2430	+ array( $this, 'print_text_google_clientsecret' ), // Callback (echos form element)
	2431	+ 'authorizer', // Page this setting is shown on (slug)
	2432	+ 'auth_settings_external' // Section this setting is shown on
	2433	+ );
	2434	+ add_settings_field(
	2435	+ 'auth_settings_google_hosteddomain', // HTML element ID
	2436	+ __( 'Google Hosted Domain', 'authorizer' ), // HTML element Title
	2437	+ array( $this, 'print_text_google_hosteddomain' ), // Callback (echos form element)
	2438	+ 'authorizer', // Page this setting is shown on (slug)
	2439	+ 'auth_settings_external' // Section this setting is shown on
	2440	+ );
	2441	+ add_settings_field(
	2442	+ 'auth_settings_external_cas', // HTML element ID
	2443	+ __( 'CAS Logins', 'authorizer' ), // HTML element Title
	2444	+ array( $this, 'print_checkbox_auth_external_cas' ), // Callback (echos form element)
	2445	+ 'authorizer', // Page this setting is shown on (slug)
	2446	+ 'auth_settings_external' // Section this setting is shown on
	2447	+ );
	2448	+ add_settings_field(
	2449	+ 'auth_settings_cas_custom_label', // HTML element ID
	2450	+ __( 'CAS custom label', 'authorizer' ), // HTML element Title
	2451	+ array( $this, 'print_text_cas_custom_label' ), // Callback (echos form element)
	2452	+ 'authorizer', // Page this setting is shown on (slug)
	2453	+ 'auth_settings_external' // Section this setting is shown on
	2454	+ );
	2455	+ add_settings_field(
	2456	+ 'auth_settings_cas_host', // HTML element ID
	2457	+ __( 'CAS server hostname', 'authorizer' ), // HTML element Title
	2458	+ array( $this, 'print_text_cas_host' ), // Callback (echos form element)
	2459	+ 'authorizer', // Page this setting is shown on (slug)
	2460	+ 'auth_settings_external' // Section this setting is shown on
	2461	+ );
	2462	+ add_settings_field(
	2463	+ 'auth_settings_cas_port', // HTML element ID
	2464	+ __( 'CAS server port', 'authorizer' ), // HTML element Title
	2465	+ array( $this, 'print_text_cas_port' ), // Callback (echos form element)
	2466	+ 'authorizer', // Page this setting is shown on (slug)
	2467	+ 'auth_settings_external' // Section this setting is shown on
	2468	+ );
	2469	+ add_settings_field(
	2470	+ 'auth_settings_cas_path', // HTML element ID
	2471	+ __( 'CAS server path/context', 'authorizer' ), // HTML element Title
	2472	+ array( $this, 'print_text_cas_path' ), // Callback (echos form element)
	2473	+ 'authorizer', // Page this setting is shown on (slug)
	2474	+ 'auth_settings_external' // Section this setting is shown on
	2475	+ );
	2476	+ add_settings_field(
	2477	+ 'auth_settings_cas_version', // HTML element ID
	2478	+ 'CAS server version', // HTML element Title
	2479	+ array( $this, 'print_select_cas_version' ), // Callback (echos form element)
	2480	+ 'authorizer', // Page this setting is shown on (slug)
	2481	+ 'auth_settings_external' // Section this setting is shown on
	2482	+ );
	2483	+ add_settings_field(
	2484	+ 'auth_settings_cas_attr_email', // HTML element ID
	2485	+ __( 'CAS attribute containing email address', 'authorizer' ), // HTML element Title
	2486	+ array( $this, 'print_text_cas_attr_email' ), // Callback (echos form element)
	2487	+ 'authorizer', // Page this setting is shown on (slug)
	2488	+ 'auth_settings_external' // Section this setting is shown on
	2489	+ );
	2490	+ add_settings_field(
	2491	+ 'auth_settings_cas_attr_first_name', // HTML element ID
	2492	+ __( 'CAS attribute containing first name', 'authorizer' ), // HTML element Title
	2493	+ array( $this, 'print_text_cas_attr_first_name' ), // Callback (echos form element)
	2494	+ 'authorizer', // Page this setting is shown on (slug)
	2495	+ 'auth_settings_external' // Section this setting is shown on
	2496	+ );
	2497	+ add_settings_field(
	2498	+ 'auth_settings_cas_attr_last_name', // HTML element ID
	2499	+ __( 'CAS attribute containing last name', 'authorizer' ), // HTML element Title
	2500	+ array( $this, 'print_text_cas_attr_last_name' ), // Callback (echos form element)
	2501	+ 'authorizer', // Page this setting is shown on (slug)
	2502	+ 'auth_settings_external' // Section this setting is shown on
	2503	+ );
	2504	+ add_settings_field(
	2505	+ 'auth_settings_cas_attr_update_on_login', // HTML element ID
	2506	+ __( 'CAS attribute update', 'authorizer' ), // HTML element Title
	2507	+ array( $this, 'print_checkbox_cas_attr_update_on_login' ), // Callback (echos form element)
	2508	+ 'authorizer', // Page this setting is shown on (slug)
	2509	+ 'auth_settings_external' // Section this setting is shown on
	2510	+ );
	2511	+ add_settings_field(
	2512	+ 'auth_settings_cas_auto_login', // HTML element ID
	2513	+ __( 'CAS automatic login', 'authorizer' ), // HTML element Title
	2514	+ array( $this, 'print_checkbox_cas_auto_login' ), // Callback (echos form element)
	2515	+ 'authorizer', // Page this setting is shown on (slug)
	2516	+ 'auth_settings_external' // Section this setting is shown on
	2517	+ );
	2518	+ add_settings_field(
	2519	+ 'auth_settings_external_ldap', // HTML element ID
	2520	+ __( 'LDAP Logins', 'authorizer' ), // HTML element Title
	2521	+ array( $this, 'print_checkbox_auth_external_ldap' ), // Callback (echos form element)
	2522	+ 'authorizer', // Page this setting is shown on (slug)
	2523	+ 'auth_settings_external' // Section this setting is shown on
	2524	+ );
	2525	+ add_settings_field(
	2526	+ 'auth_settings_ldap_host', // HTML element ID
	2527	+ __( 'LDAP Host', 'authorizer' ), // HTML element Title
	2528	+ array( $this, 'print_text_ldap_host' ), // Callback (echos form element)
	2529	+ 'authorizer', // Page this setting is shown on (slug)
	2530	+ 'auth_settings_external' // Section this setting is shown on
	2531	+ );
	2532	+ add_settings_field(
	2533	+ 'auth_settings_ldap_port', // HTML element ID
	2534	+ __( 'LDAP Port', 'authorizer' ), // HTML element Title
	2535	+ array( $this, 'print_text_ldap_port' ), // Callback (echos form element)
	2536	+ 'authorizer', // Page this setting is shown on (slug)
	2537	+ 'auth_settings_external' // Section this setting is shown on
	2538	+ );
	2539	+ add_settings_field(
	2540	+ 'auth_settings_ldap_tls', // HTML element ID
	2541	+ __( 'Use TLS', 'authorizer' ), // HTML element Title
	2542	+ array( $this, 'print_checkbox_ldap_tls' ), // Callback (echos form element)
	2543	+ 'authorizer', // Page this setting is shown on (slug)
	2544	+ 'auth_settings_external' // Section this setting is shown on
	2545	+ );
	2546	+ add_settings_field(
	2547	+ 'auth_settings_ldap_search_base', // HTML element ID
	2548	+ __( 'LDAP Search Base', 'authorizer' ), // HTML element Title
	2549	+ array( $this, 'print_text_ldap_search_base' ), // Callback (echos form element)
	2550	+ 'authorizer', // Page this setting is shown on (slug)
	2551	+ 'auth_settings_external' // Section this setting is shown on
	2552	+ );
	2553	+ add_settings_field(
	2554	+ 'auth_settings_ldap_uid', // HTML element ID
	2555	+ __( 'LDAP attribute containing username', 'authorizer' ), // HTML element Title
	2556	+ array( $this, 'print_text_ldap_uid' ), // Callback (echos form element)
	2557	+ 'authorizer', // Page this setting is shown on (slug)
	2558	+ 'auth_settings_external' // Section this setting is shown on
	2559	+ );
	2560	+ add_settings_field(
	2561	+ 'auth_settings_ldap_attr_email', // HTML element ID
	2562	+ __( 'LDAP attribute containing email address', 'authorizer' ), // HTML element Title
	2563	+ array( $this, 'print_text_ldap_attr_email' ), // Callback (echos form element)
	2564	+ 'authorizer', // Page this setting is shown on (slug)
	2565	+ 'auth_settings_external' // Section this setting is shown on
	2566	+ );
	2567	+ add_settings_field(
	2568	+ 'auth_settings_ldap_user', // HTML element ID
	2569	+ __( 'LDAP Directory User', 'authorizer' ), // HTML element Title
	2570	+ array( $this, 'print_text_ldap_user' ), // Callback (echos form element)
	2571	+ 'authorizer', // Page this setting is shown on (slug)
	2572	+ 'auth_settings_external' // Section this setting is shown on
	2573	+ );
	2574	+ add_settings_field(
	2575	+ 'auth_settings_ldap_password', // HTML element ID
	2576	+ __( 'LDAP Directory User Password', 'authorizer' ), // HTML element Title
	2577	+ array( $this, 'print_password_ldap_password' ), // Callback (echos form element)
	2578	+ 'authorizer', // Page this setting is shown on (slug)
	2579	+ 'auth_settings_external' // Section this setting is shown on
	2580	+ );
	2581	+ add_settings_field(
	2582	+ 'auth_settings_ldap_lostpassword_url', // HTML element ID
	2583	+ __( 'Custom lost password URL', 'authorizer' ), // HTML element Title
	2584	+ array( $this, 'print_text_ldap_lostpassword_url' ), // Callback (echos form element)
	2585	+ 'authorizer', // Page this setting is shown on (slug)
	2586	+ 'auth_settings_external' // Section this setting is shown on
	2587	+ );
	2588	+ add_settings_field(
	2589	+ 'auth_settings_ldap_attr_first_name', // HTML element ID
	2590	+ __( 'LDAP attribute containing first name', 'authorizer' ), // HTML element Title
	2591	+ array( $this, 'print_text_ldap_attr_first_name' ), // Callback (echos form element)
	2592	+ 'authorizer', // Page this setting is shown on (slug)
	2593	+ 'auth_settings_external' // Section this setting is shown on
	2594	+ );
	2595	+ add_settings_field(
	2596	+ 'auth_settings_ldap_attr_last_name', // HTML element ID
	2597	+ __( 'LDAP attribute containing last name', 'authorizer' ), // HTML element Title
	2598	+ array( $this, 'print_text_ldap_attr_last_name' ), // Callback (echos form element)
	2599	+ 'authorizer', // Page this setting is shown on (slug)
	2600	+ 'auth_settings_external' // Section this setting is shown on
	2601	+ );
	2602	+ add_settings_field(
	2603	+ 'auth_settings_ldap_attr_update_on_login', // HTML element ID
	2604	+ __( 'LDAP attribute update', 'authorizer' ), // HTML element Title
	2605	+ array( $this, 'print_checkbox_ldap_attr_update_on_login' ), // Callback (echos form element)
	2606	+ 'authorizer', // Page this setting is shown on (slug)
	2607	+ 'auth_settings_external' // Section this setting is shown on
	2608	+ );
	2609	+
	2610	+ // Create Advanced Settings section
	2611	+ add_settings_section(
	2612	+ 'auth_settings_advanced', // HTML element ID
	2613	+ '', // HTML element Title
	2614	+ array( $this, 'print_section_info_advanced' ), // Callback (echos section content)
	2615	+ 'authorizer' // Page this section is shown on (slug)
	2616	+ );
	2617	+ add_settings_field(
	2618	+ 'auth_settings_advanced_lockouts', // HTML element ID
	2619	+ __( 'Limit invalid login attempts', 'authorizer' ), // HTML element Title
	2620	+ array( $this, 'print_text_auth_advanced_lockouts' ), // Callback (echos form element)
	2621	+ 'authorizer', // Page this setting is shown on (slug)
	2622	+ 'auth_settings_advanced' // Section this setting is shown on
	2623	+ );
	2624	+ add_settings_field(
	2625	+ 'auth_settings_advanced_hide_wp_login', // HTML element ID
	2626	+ __( 'Hide WordPress Login', 'authorizer' ), // HTML element Title
	2627	+ array( $this, 'print_checkbox_auth_advanced_hide_wp_login' ), // Callback (echos form element)
	2628	+ 'authorizer', // Page this setting is shown on (slug)
	2629	+ 'auth_settings_advanced' // Section this setting is shown on
	2630	+ );
	2631	+ add_settings_field(
	2632	+ 'auth_settings_advanced_branding', // HTML element ID
	2633	+ __( 'Custom WordPress login branding', 'authorizer' ), // HTML element Title
	2634	+ array( $this, 'print_radio_auth_advanced_branding' ), // Callback (echos form element)
	2635	+ 'authorizer', // Page this setting is shown on (slug)
	2636	+ 'auth_settings_advanced' // Section this setting is shown on
	2637	+ );
	2638	+ add_settings_field(
	2639	+ 'auth_settings_advanced_admin_menu', // HTML element ID
	2640	+ __( 'Authorizer admin menu item location', 'authorizer' ), // HTML element Title
	2641	+ array( $this, 'print_radio_auth_advanced_admin_menu' ), // Callback (echos form element)
	2642	+ 'authorizer', // Page this setting is shown on (slug)
	2643	+ 'auth_settings_advanced' // Section this setting is shown on
	2644	+ );
	2645	+ add_settings_field(
	2646	+ 'auth_settings_advanced_usermeta', // HTML element ID
	2647	+ __( 'Show custom usermeta in user list', 'authorizer' ), // HTML element Title
	2648	+ array( $this, 'print_select_auth_advanced_usermeta' ), // Callback (echos form element)
	2649	+ 'authorizer', // Page this setting is shown on (slug)
	2650	+ 'auth_settings_advanced' // Section this setting is shown on
	2651	+ );
	2652	+ add_settings_field(
	2653	+ 'auth_settings_advanced_users_per_page', // HTML element ID
	2654	+ __( 'Number of users per page', 'authorizer' ), // HTML element Title
	2655	+ array( $this, 'print_text_auth_advanced_users_per_page' ), // Callback (echos form element)
	2656	+ 'authorizer', // Page this setting is shown on (slug)
	2657	+ 'auth_settings_advanced' // Section this setting is shown on
	2658	+ );
	2659	+ add_settings_field(
	2660	+ 'auth_settings_advanced_users_sort_by', // HTML element ID
	2661	+ __( 'Approved users sort method', 'authorizer' ), // HTML element Title
	2662	+ array( $this, 'print_select_auth_advanced_users_sort_by' ), // Callback (echos form element)
	2663	+ 'authorizer', // Page this setting is shown on (slug)
	2664	+ 'auth_settings_advanced' // Section this setting is shown on
	2665	+ );
	2666	+ add_settings_field(
	2667	+ 'auth_settings_advanced_users_sort_order', // HTML element ID
	2668	+ __( 'Approved users sort order', 'authorizer' ), // HTML element Title
	2669	+ array( $this, 'print_select_auth_advanced_users_sort_order' ), // Callback (echos form element)
	2670	+ 'authorizer', // Page this setting is shown on (slug)
	2671	+ 'auth_settings_advanced' // Section this setting is shown on
	2672	+ );
	2673	+ add_settings_field(
	2674	+ 'auth_settings_advanced_widget_enabled', // HTML element ID
	2675	+ __( 'Show dashboard widget to admin users', 'authorizer' ), // HTML element Title
	2676	+ array( $this, 'print_checkbox_auth_advanced_widget_enabled' ), // Callback (echos form element)
	2677	+ 'authorizer', // Page this setting is shown on (slug)
	2678	+ 'auth_settings_advanced' // Section this setting is shown on
	2679	+ );
	2680	+ // On multisite installs, add an option to override all multisite settings on individual sites.
	2681	+ if ( is_multisite() ) {
	2682	+ add_settings_field(
	2683	+ 'auth_settings_advanced_override_multisite', // HTML element ID
	2684	+ __( 'Override multisite options', 'authorizer' ), // HTML element Title
	2685	+ array( $this, 'print_checkbox_auth_advanced_override_multisite' ), // Callback (echos form element)
	2686	+ 'authorizer', // Page this setting is shown on (slug)
	2687	+ 'auth_settings_advanced' // Section this setting is shown on
	2688	+ );
	2689	+ }
	2690	+ }
	2691	+
	2692	+
	2693	+ /**
	2694	+ * Set meaningful defaults for the plugin options.
	2695	+ * Note: This function is called on plugin activation.
	2696	+ */
	2697	+ function set_default_options() {
	2698	+ global $wp_roles;
	2699	+
	2700	+ $auth_settings = get_option( 'auth_settings' );
	2701	+ if ( $auth_settings === FALSE ) {
	2702	+ $auth_settings = array();
	2703	+ }
	2704	+
	2705	+ // Access Lists Defaults.
	2706	+ $auth_settings_access_users_pending = get_option( 'auth_settings_access_users_pending' );
	2707	+ if ( $auth_settings_access_users_pending === FALSE ) {
	2708	+ $auth_settings_access_users_pending = array();
	2709	+ }
	2710	+ $auth_settings_access_users_approved = get_option( 'auth_settings_access_users_approved' );
	2711	+ if ( $auth_settings_access_users_approved === FALSE ) {
	2712	+ $auth_settings_access_users_approved = array();
	2713	+ }
	2714	+ $auth_settings_access_users_blocked = get_option( 'auth_settings_access_users_blocked' );
	2715	+ if ( $auth_settings_access_users_blocked === FALSE ) {
	2716	+ $auth_settings_access_users_blocked = array();
	2717	+ }
	2718	+
	2719	+ // Login Access Defaults.
	2720	+ if ( ! array_key_exists( 'access_who_can_login', $auth_settings ) ) {
	2721	+ $auth_settings['access_who_can_login'] = 'approved_users';
	2722	+ }
	2723	+ if ( ! array_key_exists( 'access_role_receive_pending_emails', $auth_settings ) ) {
	2724	+ $auth_settings['access_role_receive_pending_emails'] = '---';
	2725	+ }
	2726	+ if ( ! array_key_exists( 'access_pending_redirect_to_message', $auth_settings ) ) {
	2727	+ $auth_settings['access_pending_redirect_to_message'] = '<p>' . __( "You're not currently allowed to view this site. Your administrator has been notified, and once he/she has approved your request, you will be able to log in. If you need any other help, please contact your administrator.", 'authorizer' ) . '</p>';
	2728	+ }
	2729	+ if ( ! array_key_exists( 'access_blocked_redirect_to_message', $auth_settings ) ) {
	2730	+ $auth_settings['access_blocked_redirect_to_message'] = '<p>' . __( "You're not currently allowed to log into this site. If you think this is a mistake, please contact your administrator.", 'authorizer' ) . '</p>';
	2731	+ }
	2732	+ if ( ! array_key_exists( 'access_should_email_approved_users', $auth_settings ) ) {
	2733	+ $auth_settings['access_should_email_approved_users'] = '';
	2734	+ }
	2735	+ if ( ! array_key_exists( 'access_email_approved_users_subject', $auth_settings ) ) {
	2736	+ $auth_settings['access_email_approved_users_subject'] = sprintf(
	2737	+ /* TRANSLATORS: %s: Shortcode for name of site */
	2738	+ __( 'Welcome to %s!', 'authorizer' ),
	2739	+ '[site_name]'
	2740	+ );
	2741	+ }
	2742	+ if ( ! array_key_exists( 'access_email_approved_users_body', $auth_settings ) ) {
	2743	+ $auth_settings['access_email_approved_users_body'] = sprintf(
	2744	+ /* TRANSLATORS: 1: Shortcode for user email 2: Shortcode for site name 3: Shortcode for site URL */
	2745	+ __( "Hello %1\$s,\nWelcome to %2\$s! You now have access to all content on the site. Please visit us here:\n%3\$s\n", 'authorizer' ),
	2746	+ '[user_email]',
	2747	+ '[site_name]',
	2748	+ '[site_url]'
	2749	+ );
	2750	+ }
	2751	+
	2752	+ // Public Access to Private Page Defaults.
	2753	+ if ( ! array_key_exists( 'access_who_can_view', $auth_settings ) ) {
	2754	+ $auth_settings['access_who_can_view'] = 'everyone';
	2755	+ }
	2756	+ if ( ! array_key_exists( 'access_public_pages', $auth_settings ) ) {
	2757	+ $auth_settings['access_public_pages'] = array();
	2758	+ }
	2759	+ if ( ! array_key_exists( 'access_redirect', $auth_settings ) ) {
	2760	+ $auth_settings['access_redirect'] = 'login';
	2761	+ }
	2762	+ if ( ! array_key_exists( 'access_public_warning', $auth_settings ) ) {
	2763	+ $auth_settings['access_public_warning'] = 'no_warning';
	2764	+ }
	2765	+ if ( ! array_key_exists( 'access_redirect_to_message', $auth_settings ) ) {
	2766	+ $auth_settings['access_redirect_to_message'] = '<p>' . __( 'Notice: You are browsing this site anonymously, and only have access to a portion of its content.', 'authorizer' ) . '</p>';
	2767	+ }
	2768	+
	2769	+
	2770	+ // External Service Defaults.
	2771	+ if ( ! array_key_exists( 'access_default_role', $auth_settings ) ) {
	2772	+ // Set default role to 'student' if that role exists, 'subscriber' otherwise.
	2773	+ $all_roles = $wp_roles->roles;
	2774	+ $editable_roles = apply_filters( 'editable_roles', $all_roles );
	2775	+ if ( array_key_exists( 'student', $editable_roles ) ) {
	2776	+ $auth_settings['access_default_role'] = 'student';
	2777	+ } else {
	2778	+ $auth_settings['access_default_role'] = 'subscriber';
	2779	+ }
	2780	+ }
	2781	+
	2782	+ if ( ! array_key_exists( 'google', $auth_settings ) ) {
	2783	+ $auth_settings['google'] = '';
	2784	+ }
	2785	+ if ( ! array_key_exists( 'cas', $auth_settings ) ) {
	2786	+ $auth_settings['cas'] = '';
	2787	+ }
	2788	+ if ( ! array_key_exists( 'ldap', $auth_settings ) ) {
	2789	+ $auth_settings['ldap'] = '';
	2790	+ }
	2791	+
	2792	+ if ( ! array_key_exists( 'google_clientid', $auth_settings ) ) {
	2793	+ $auth_settings['google_clientid'] = '';
	2794	+ }
	2795	+ if ( ! array_key_exists( 'google_clientsecret', $auth_settings ) ) {
	2796	+ $auth_settings['google_clientsecret'] = '';
	2797	+ }
	2798	+ if ( ! array_key_exists( 'google_hosteddomain', $auth_settings ) ) {
	2799	+ $auth_settings['google_hosteddomain'] = '';
	2800	+ }
	2801	+
	2802	+ if ( ! array_key_exists( 'cas_custom_label', $auth_settings ) ) {
	2803	+ $auth_settings['cas_custom_label'] = 'CAS';
	2804	+ }
	2805	+ if ( ! array_key_exists( 'cas_host', $auth_settings ) ) {
	2806	+ $auth_settings['cas_host'] = '';
	2807	+ }
	2808	+ if ( ! array_key_exists( 'cas_port', $auth_settings ) ) {
	2809	+ $auth_settings['cas_port'] = '';
	2810	+ }
	2811	+ if ( ! array_key_exists( 'cas_path', $auth_settings ) ) {
	2812	+ $auth_settings['cas_path'] = '';
	2813	+ }
	2814	+ if ( ! array_key_exists( 'cas_version', $auth_settings ) ) {
	2815	+ $auth_settings['cas_version'] = 'SAML_VERSION_1_1';
	2816	+ }
	2817	+ if ( ! array_key_exists( 'cas_attr_email', $auth_settings ) ) {
	2818	+ $auth_settings['cas_attr_email'] = '';
	2819	+ }
	2820	+ if ( ! array_key_exists( 'cas_attr_first_name', $auth_settings ) ) {
	2821	+ $auth_settings['cas_attr_first_name'] = '';
	2822	+ }
	2823	+ if ( ! array_key_exists( 'cas_attr_last_name', $auth_settings ) ) {
	2824	+ $auth_settings['cas_attr_last_name'] = '';
	2825	+ }
	2826	+ if ( ! array_key_exists( 'cas_attr_update_on_login', $auth_settings ) ) {
	2827	+ $auth_settings['cas_attr_update_on_login'] = '';
	2828	+ }
	2829	+ if ( ! array_key_exists( 'cas_auto_login', $auth_settings ) ) {
	2830	+ $auth_settings['cas_auto_login'] = '';
	2831	+ }
	2832	+
	2833	+ if ( ! array_key_exists( 'ldap_host', $auth_settings ) ) {
	2834	+ $auth_settings['ldap_host'] = '';
	2835	+ }
	2836	+ if ( ! array_key_exists( 'ldap_port', $auth_settings ) ) {
	2837	+ $auth_settings['ldap_port'] = '389';
	2838	+ }
	2839	+ if ( ! array_key_exists( 'ldap_tls', $auth_settings ) ) {
	2840	+ $auth_settings['ldap_tls'] = '1';
	2841	+ }
	2842	+ if ( ! array_key_exists( 'ldap_search_base', $auth_settings ) ) {
	2843	+ $auth_settings['ldap_search_base'] = '';
	2844	+ }
	2845	+ if ( ! array_key_exists( 'ldap_uid', $auth_settings ) ) {
	2846	+ $auth_settings['ldap_uid'] = 'uid';
	2847	+ }
	2848	+ if ( ! array_key_exists( 'ldap_attr_email', $auth_settings ) ) {
	2849	+ $auth_settings['ldap_attr_email'] = '';
	2850	+ }
	2851	+ if ( ! array_key_exists( 'ldap_user', $auth_settings ) ) {
	2852	+ $auth_settings['ldap_user'] = '';
	2853	+ }
	2854	+ if ( ! array_key_exists( 'ldap_password', $auth_settings ) ) {
	2855	+ $auth_settings['ldap_password'] = '';
	2856	+ }
	2857	+ if ( ! array_key_exists( 'ldap_lostpassword_url', $auth_settings ) ) {
	2858	+ $auth_settings['ldap_lostpassword_url'] = '';
	2859	+ }
	2860	+ if ( ! array_key_exists( 'ldap_attr_first_name', $auth_settings ) ) {
	2861	+ $auth_settings['ldap_attr_first_name'] = '';
	2862	+ }
	2863	+ if ( ! array_key_exists( 'ldap_attr_last_name', $auth_settings ) ) {
	2864	+ $auth_settings['ldap_attr_last_name'] = '';
	2865	+ }
	2866	+ if ( ! array_key_exists( 'ldap_attr_update_on_login', $auth_settings ) ) {
	2867	+ $auth_settings['ldap_attr_update_on_login'] = '';
	2868	+ }
	2869	+
	2870	+ // Advanced defaults.
	2871	+ if ( ! array_key_exists( 'advanced_lockouts', $auth_settings ) ) {
	2872	+ $auth_settings['advanced_lockouts'] = array(
	2873	+ 'attempts_1' => 10,
	2874	+ 'duration_1' => 1,
	2875	+ 'attempts_2' => 10,
	2876	+ 'duration_2' => 10,
	2877	+ 'reset_duration' => 120,
	2878	+ );
	2879	+ }
	2880	+ if ( ! array_key_exists( 'advanced_hide_wp_login', $auth_settings ) ) {
	2881	+ $auth_settings['advanced_hide_wp_login'] = '';
	2882	+ }
	2883	+ if ( ! array_key_exists( 'advanced_branding', $auth_settings ) ) {
	2884	+ $auth_settings['advanced_branding'] = 'default';
	2885	+ }
	2886	+ if ( ! array_key_exists( 'advanced_admin_menu', $auth_settings ) ) {
	2887	+ $auth_settings['advanced_admin_menu'] = 'top';
	2888	+ }
	2889	+ if ( ! array_key_exists( 'advanced_usermeta', $auth_settings ) ) {
	2890	+ $auth_settings['advanced_usermeta'] = '';
	2891	+ }
	2892	+ if ( ! array_key_exists( 'advanced_users_per_page', $auth_settings ) ) {
	2893	+ $auth_settings['advanced_users_per_page'] = 20;
	2894	+ }
	2895	+ if ( ! array_key_exists( 'advanced_users_sort_by', $auth_settings ) ) {
	2896	+ $auth_settings['advanced_users_sort_by'] = 'created';
	2897	+ }
	2898	+ if ( ! array_key_exists( 'advanced_users_sort_order', $auth_settings ) ) {
	2899	+ $auth_settings['advanced_users_sort_order'] = 'asc';
	2900	+ }
	2901	+ if ( ! array_key_exists( 'advanced_widget_enabled', $auth_settings ) ) {
	2902	+ $auth_settings['advanced_widget_enabled'] = '1';
	2903	+ }
	2904	+ if ( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) ) {
	2905	+ $auth_settings['advanced_override_multisite'] = '';
	2906	+ }
	2907	+
	2908	+ // Save default options to database.
	2909	+ update_option( 'auth_settings', $auth_settings );
	2910	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	2911	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	2912	+ update_option( 'auth_settings_access_users_blocked', $auth_settings_access_users_blocked );
	2913	+
	2914	+ // Multisite defaults.
	2915	+ if ( is_multisite() ) {
	2916	+ $auth_multisite_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() );
	2917	+
	2918	+ if ( $auth_multisite_settings === FALSE ) {
	2919	+ $auth_multisite_settings = array();
	2920	+ }
	2921	+ // Global switch for enabling multisite options.
	2922	+ if ( ! array_key_exists( 'multisite_override', $auth_multisite_settings ) ) {
	2923	+ $auth_multisite_settings['multisite_override'] = '';
	2924	+ }
	2925	+ // Access Lists Defaults.
	2926	+ $auth_multisite_settings_access_users_approved = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved' );
	2927	+ if ( $auth_multisite_settings_access_users_approved === FALSE ) {
	2928	+ $auth_multisite_settings_access_users_approved = array();
	2929	+ }
	2930	+ // Login Access Defaults.
	2931	+ if ( ! array_key_exists( 'access_who_can_login', $auth_multisite_settings ) ) {
	2932	+ $auth_multisite_settings['access_who_can_login'] = 'approved_users';
	2933	+ }
	2934	+ // View Access Defaults.
	2935	+ if ( ! array_key_exists( 'access_who_can_view', $auth_multisite_settings ) ) {
	2936	+ $auth_multisite_settings['access_who_can_view'] = 'everyone';
	2937	+ }
	2938	+ // External Service Defaults.
	2939	+ if ( ! array_key_exists( 'access_default_role', $auth_multisite_settings ) ) {
	2940	+ // Set default role to 'student' if that role exists, 'subscriber' otherwise.
	2941	+ $all_roles = $wp_roles->roles;
	2942	+ $editable_roles = apply_filters( 'editable_roles', $all_roles );
	2943	+ if ( array_key_exists( 'student', $editable_roles ) ) {
	2944	+ $auth_multisite_settings['access_default_role'] = 'student';
	2945	+ } else {
	2946	+ $auth_multisite_settings['access_default_role'] = 'subscriber';
	2947	+ }
	2948	+ }
	2949	+ if ( ! array_key_exists( 'google', $auth_multisite_settings ) ) {
	2950	+ $auth_multisite_settings['google'] = '';
	2951	+ }
	2952	+ if ( ! array_key_exists( 'cas', $auth_multisite_settings ) ) {
	2953	+ $auth_multisite_settings['cas'] = '';
	2954	+ }
	2955	+ if ( ! array_key_exists( 'ldap', $auth_multisite_settings ) ) {
	2956	+ $auth_multisite_settings['ldap'] = '';
	2957	+ }
	2958	+ if ( ! array_key_exists( 'google_clientid', $auth_multisite_settings ) ) {
	2959	+ $auth_multisite_settings['google_clientid'] = '';
	2960	+ }
	2961	+ if ( ! array_key_exists( 'google_clientsecret', $auth_multisite_settings ) ) {
	2962	+ $auth_multisite_settings['google_clientsecret'] = '';
	2963	+ }
	2964	+ if ( ! array_key_exists( 'google_hosteddomain', $auth_multisite_settings ) ) {
	2965	+ $auth_multisite_settings['google_hosteddomain'] = '';
	2966	+ }
	2967	+ if ( ! array_key_exists( 'cas_custom_label', $auth_multisite_settings ) ) {
	2968	+ $auth_multisite_settings['cas_custom_label'] = 'CAS';
	2969	+ }
	2970	+ if ( ! array_key_exists( 'cas_host', $auth_multisite_settings ) ) {
	2971	+ $auth_multisite_settings['cas_host'] = '';
	2972	+ }
	2973	+ if ( ! array_key_exists( 'cas_port', $auth_multisite_settings ) ) {
	2974	+ $auth_multisite_settings['cas_port'] = '';
	2975	+ }
	2976	+ if ( ! array_key_exists( 'cas_path', $auth_multisite_settings ) ) {
	2977	+ $auth_multisite_settings['cas_path'] = '';
	2978	+ }
	2979	+ if ( ! array_key_exists( 'cas_version', $auth_multisite_settings ) ) {
	2980	+ $auth_multisite_settings['cas_version'] = 'SAML_VERSION_1_1';
	2981	+ }
	2982	+ if ( ! array_key_exists( 'cas_attr_email', $auth_multisite_settings ) ) {
	2983	+ $auth_multisite_settings['cas_attr_email'] = '';
	2984	+ }
	2985	+ if ( ! array_key_exists( 'cas_attr_first_name', $auth_multisite_settings ) ) {
	2986	+ $auth_multisite_settings['cas_attr_first_name'] = '';
	2987	+ }
	2988	+ if ( ! array_key_exists( 'cas_attr_last_name', $auth_multisite_settings ) ) {
	2989	+ $auth_multisite_settings['cas_attr_last_name'] = '';
	2990	+ }
	2991	+ if ( ! array_key_exists( 'cas_attr_update_on_login', $auth_multisite_settings ) ) {
	2992	+ $auth_multisite_settings['cas_attr_update_on_login'] = '';
	2993	+ }
	2994	+ if ( ! array_key_exists( 'cas_auto_login', $auth_multisite_settings ) ) {
	2995	+ $auth_multisite_settings['cas_auto_login'] = '';
	2996	+ }
	2997	+ if ( ! array_key_exists( 'ldap_host', $auth_multisite_settings ) ) {
	2998	+ $auth_multisite_settings['ldap_host'] = '';
	2999	+ }
	3000	+ if ( ! array_key_exists( 'ldap_port', $auth_multisite_settings ) ) {
	3001	+ $auth_multisite_settings['ldap_port'] = '389';
	3002	+ }
	3003	+ if ( ! array_key_exists( 'ldap_tls', $auth_multisite_settings ) ) {
	3004	+ $auth_multisite_settings['ldap_tls'] = '1';
	3005	+ }
	3006	+ if ( ! array_key_exists( 'ldap_search_base', $auth_multisite_settings ) ) {
	3007	+ $auth_multisite_settings['ldap_search_base'] = '';
	3008	+ }
	3009	+ if ( ! array_key_exists( 'ldap_uid', $auth_multisite_settings ) ) {
	3010	+ $auth_multisite_settings['ldap_uid'] = 'uid';
	3011	+ }
	3012	+ if ( ! array_key_exists( 'ldap_attr_email', $auth_multisite_settings ) ) {
	3013	+ $auth_multisite_settings['ldap_attr_email'] = '';
	3014	+ }
	3015	+ if ( ! array_key_exists( 'ldap_user', $auth_multisite_settings ) ) {
	3016	+ $auth_multisite_settings['ldap_user'] = '';
	3017	+ }
	3018	+ if ( ! array_key_exists( 'ldap_password', $auth_multisite_settings ) ) {
	3019	+ $auth_multisite_settings['ldap_password'] = '';
	3020	+ }
	3021	+ if ( ! array_key_exists( 'ldap_lostpassword_url', $auth_multisite_settings ) ) {
	3022	+ $auth_multisite_settings['ldap_lostpassword_url'] = '';
	3023	+ }
	3024	+ if ( ! array_key_exists( 'ldap_attr_first_name', $auth_multisite_settings ) ) {
	3025	+ $auth_multisite_settings['ldap_attr_first_name'] = '';
	3026	+ }
	3027	+ if ( ! array_key_exists( 'ldap_attr_last_name', $auth_multisite_settings ) ) {
	3028	+ $auth_multisite_settings['ldap_attr_last_name'] = '';
	3029	+ }
	3030	+ if ( ! array_key_exists( 'ldap_attr_update_on_login', $auth_multisite_settings ) ) {
	3031	+ $auth_multisite_settings['ldap_attr_update_on_login'] = '';
	3032	+ }
	3033	+ // Advanced defaults.
	3034	+ if ( ! array_key_exists( 'advanced_lockouts', $auth_multisite_settings ) ) {
	3035	+ $auth_multisite_settings['advanced_lockouts'] = array(
	3036	+ 'attempts_1' => 10,
	3037	+ 'duration_1' => 1,
	3038	+ 'attempts_2' => 10,
	3039	+ 'duration_2' => 10,
	3040	+ 'reset_duration' => 120,
	3041	+ );
	3042	+ }
	3043	+ if ( ! array_key_exists( 'advanced_hide_wp_login', $auth_multisite_settings ) ) {
	3044	+ $auth_multisite_settings['advanced_hide_wp_login'] = '';
	3045	+ }
	3046	+ if ( ! array_key_exists( 'advanced_users_per_page', $auth_multisite_settings ) ) {
	3047	+ $auth_multisite_settings['advanced_users_per_page'] = 20;
	3048	+ }
	3049	+ if ( ! array_key_exists( 'advanced_users_sort_by', $auth_multisite_settings ) ) {
	3050	+ $auth_multisite_settings['advanced_users_sort_by'] = 'created';
	3051	+ }
	3052	+ if ( ! array_key_exists( 'advanced_users_sort_order', $auth_multisite_settings ) ) {
	3053	+ $auth_multisite_settings['advanced_users_sort_order'] = 'asc';
	3054	+ }
	3055	+ if ( ! array_key_exists( 'advanced_widget_enabled', $auth_multisite_settings ) ) {
	3056	+ $auth_multisite_settings['advanced_widget_enabled'] = '1';
	3057	+ }
	3058	+ // Save default network options to database.
	3059	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	3060	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	3061	+ }
	3062	+
	3063	+ return $auth_settings;
	3064	+ }
	3065	+
	3066	+
	3067	+ /**
	3068	+ * List sanitizer.
	3069	+ * $side_effect = 'none' or 'update roles' to make sure WP user roles match
	3070	+ * $multisite_mode = 'single' or 'multisite' to indicate which user roles to change (this site or all sites)
	3071	+ */
	3072	+ function sanitize_user_list( $list, $side_effect = 'none', $multisite_mode = 'single' ) {
	3073	+ // If it's not a list, make it so.
	3074	+ if ( ! is_array( $list ) ) {
	3075	+ $list = array();
	3076	+ }
	3077	+ foreach ( $list as $key => $user_info ) {
	3078	+ if ( strlen( $user_info['email'] ) < 1 ) {
	3079	+ // Make sure there are no empty entries in the list
	3080	+ unset( $list[$key] );
	3081	+ } elseif ( $side_effect === 'update roles' ) {
	3082	+ // Make sure the WordPress user accounts have the same role
	3083	+ // as that indicated in the list.
	3084	+ $wp_user = get_user_by( 'email', $user_info['email'] );
	3085	+ if ( $wp_user ) {
	3086	+ if ( is_multisite() && $multisite_mode === 'multisite' ) {
	3087	+ foreach ( get_blogs_of_user( $wp_user->ID ) as $blog ) {
	3088	+ add_user_to_blog( $blog->userblog_id, $wp_user->ID, $user_info['role'] );
	3089	+ }
	3090	+ } else {
	3091	+ $wp_user->set_role( $user_info['role'] );
	3092	+ }
	3093	+ }
	3094	+ }
	3095	+ }
	3096	+ return $list;
	3097	+ }
	3098	+
	3099	+
	3100	+ /**
	3101	+ * Settings sanitizer callback
	3102	+ */
	3103	+ function sanitize_options( $auth_settings ) {
	3104	+ // Default to "Approved Users" login access restriction.
	3105	+ if ( ! in_array( $auth_settings['access_who_can_login'], array( 'external_users', 'approved_users' ) ) ) {
	3106	+ $auth_settings['access_who_can_login'] = 'approved_users';
	3107	+ }
	3108	+
	3109	+ // Default to "Everyone" view access restriction.
	3110	+ if ( ! in_array( $auth_settings['access_who_can_view'], array( 'everyone', 'logged_in_users' ) ) ) {
	3111	+ $auth_settings['access_who_can_view'] = 'everyone';
	3112	+ }
	3113	+
	3114	+ // Default to WordPress login access redirect.
	3115	+ // Note: this option doesn't exist in multisite options, so we first
	3116	+ // check to see if it exists.
	3117	+ if ( array_key_exists( 'access_redirect', $auth_settings ) && ! in_array( $auth_settings['access_redirect'], array( 'login', 'page', 'message' ) ) ) {
	3118	+ $auth_settings['access_redirect'] = 'login';
	3119	+ }
	3120	+
	3121	+ // Default to warning message for anonymous users on public pages.
	3122	+ // Note: this option doesn't exist in multisite options, so we first
	3123	+ // check to see if it exists.
	3124	+ if ( array_key_exists( 'access_public_warning', $auth_settings ) && ! in_array( $auth_settings['access_public_warning'], array( 'no_warning', 'warning' ) ) ) {
	3125	+ $auth_settings['access_public_warning'] = 'no_warning';
	3126	+ }
	3127	+
	3128	+ // Sanitize Send welcome email (checkbox: value can only be '1' or empty string)
	3129	+ $auth_settings['access_should_email_approved_users'] = array_key_exists( 'access_should_email_approved_users', $auth_settings ) && strlen( $auth_settings['access_should_email_approved_users'] ) > 0 ? '1' : '';
	3130	+
	3131	+ // Sanitize Enable Google Logins (checkbox: value can only be '1' or empty string)
	3132	+ $auth_settings['google'] = array_key_exists( 'google', $auth_settings ) && strlen( $auth_settings['google'] ) > 0 ? '1' : '';
	3133	+
	3134	+ // Sanitize Enable CAS Logins (checkbox: value can only be '1' or empty string)
	3135	+ $auth_settings['cas'] = array_key_exists( 'cas', $auth_settings ) && strlen( $auth_settings['cas'] ) > 0 ? '1' : '';
	3136	+
	3137	+ // Sanitize CAS Host setting
	3138	+ $auth_settings['cas_host'] = filter_var( $auth_settings['cas_host'], FILTER_SANITIZE_URL );
	3139	+
	3140	+ // Sanitize CAS Port (int)
	3141	+ $auth_settings['cas_port'] = filter_var( $auth_settings['cas_port'], FILTER_SANITIZE_NUMBER_INT );
	3142	+
	3143	+ // Sanitize CAS attribute update (checkbox: value can only be '1' or empty string)
	3144	+ $auth_settings['cas_attr_update_on_login'] = array_key_exists( 'cas_attr_update_on_login', $auth_settings ) && strlen( $auth_settings['cas_attr_update_on_login'] ) > 0 ? '1' : '';
	3145	+
	3146	+ // Sanitize CAS auto-login (checkbox: value can only be '1' or empty string)
	3147	+ $auth_settings['cas_auto_login'] = array_key_exists( 'cas_auto_login', $auth_settings ) && strlen( $auth_settings['cas_auto_login'] ) > 0 ? '1' : '';
	3148	+
	3149	+ // Sanitize Enable LDAP Logins (checkbox: value can only be '1' or empty string)
	3150	+ $auth_settings['ldap'] = array_key_exists( 'ldap', $auth_settings ) && strlen( $auth_settings['ldap'] ) > 0 ? '1' : '';
	3151	+
	3152	+ // Sanitize LDAP Host setting
	3153	+ $auth_settings['ldap_host'] = filter_var( $auth_settings['ldap_host'], FILTER_SANITIZE_URL );
	3154	+
	3155	+ // Sanitize LDAP Port (int)
	3156	+ $auth_settings['ldap_port'] = filter_var( $auth_settings['ldap_port'], FILTER_SANITIZE_NUMBER_INT );
	3157	+
	3158	+ // Sanitize LDAP TLS (checkbox: value can only be '1' or empty string)
	3159	+ $auth_settings['ldap_tls'] = array_key_exists( 'ldap_tls', $auth_settings ) && strlen( $auth_settings['ldap_tls'] ) > 0 ? '1' : '';
	3160	+
	3161	+ // Sanitize LDAP attributes (basically make sure they don't have any parentheses)
	3162	+ $auth_settings['ldap_uid'] = filter_var( $auth_settings['ldap_uid'], FILTER_SANITIZE_EMAIL );
	3163	+
	3164	+ // Sanitize LDAP Lost Password URL
	3165	+ $auth_settings['ldap_lostpassword_url'] = filter_var( $auth_settings['ldap_lostpassword_url'], FILTER_SANITIZE_URL );
	3166	+
	3167	+ // Obfuscate LDAP directory user password
	3168	+ if ( strlen( $auth_settings['ldap_password'] ) > 0 ) {
	3169	+ // encrypt the directory user password for some minor obfuscation in the database.
	3170	+ $auth_settings['ldap_password'] = $this->encrypt( $auth_settings['ldap_password'] );
	3171	+ }
	3172	+
	3173	+ // Sanitize LDAP attribute update (checkbox: value can only be '1' or empty string)
	3174	+ $auth_settings['ldap_attr_update_on_login'] = array_key_exists( 'ldap_attr_update_on_login', $auth_settings ) && strlen( $auth_settings['ldap_attr_update_on_login'] ) > 0 ? '1' : '';
	3175	+
	3176	+ // Make sure public pages is an empty array if it's empty
	3177	+ // Note: this option doesn't exist in multisite options, so we first
	3178	+ // check to see if it exists.
	3179	+ if ( array_key_exists( 'access_public_pages', $auth_settings ) && ! is_array( $auth_settings['access_public_pages'] ) ) {
	3180	+ $auth_settings['access_public_pages'] = array();
	3181	+ }
	3182	+
	3183	+ // Make sure all lockout options are integers (attempts_1,
	3184	+ // duration_1, attempts_2, duration_2, reset_duration).
	3185	+ foreach ( $auth_settings['advanced_lockouts'] as $key => $value ) {
	3186	+ $auth_settings['advanced_lockouts'][$key] = filter_var( $value, FILTER_SANITIZE_NUMBER_INT );
	3187	+ }
	3188	+
	3189	+ // Sanitize Hide WordPress logins (checkbox: value can only be '1' or empty string)
	3190	+ $auth_settings['advanced_hide_wp_login'] = array_key_exists( 'advanced_hide_wp_login', $auth_settings ) && strlen( $auth_settings['advanced_hide_wp_login'] ) > 0 ? '1' : '';
	3191	+
	3192	+ // Sanitize Users per page (text: value can only int from 1 to MAX_INT)
	3193	+ $auth_settings['advanced_users_per_page'] = array_key_exists( 'advanced_users_per_page', $auth_settings ) && intval( $auth_settings['advanced_users_per_page'] ) > 0 ? intval( $auth_settings['advanced_users_per_page'] ) : 1;
	3194	+
	3195	+ // Sanitize Sort users by (select: value can be 'email', 'role', 'date_added', 'created')
	3196	+ if ( ! isset( $auth_settings['advanced_users_sort_by'] ) || ! in_array( $auth_settings['advanced_users_sort_by'], array( 'email', 'role', 'date_added', 'created' ) ) ) {
	3197	+ $auth_settings['advanced_users_sort_by'] = 'created';
	3198	+ }
	3199	+
	3200	+ // Sanitize Sort users order (select: value can be 'asc', 'desc')
	3201	+ if ( ! isset( $auth_settings['advanced_users_sort_order'] ) || ! in_array( $auth_settings['advanced_users_sort_order'], array( 'asc', 'desc' ) ) ) {
	3202	+ $auth_settings['advanced_users_sort_order'] = 'asc';
	3203	+ }
	3204	+
	3205	+ // Sanitize Show Dashboard Widget (checkbox: value can only be '1' or empty string)
	3206	+ $auth_settings['advanced_widget_enabled'] = array_key_exists( 'advanced_widget_enabled', $auth_settings ) && strlen( $auth_settings['advanced_widget_enabled'] ) > 0 ? '1' : '';
	3207	+
	3208	+ // Sanitize Override multisite options (checkbox: value can only be '1' or empty string)
	3209	+ $auth_settings['advanced_override_multisite'] = array_key_exists( 'advanced_override_multisite', $auth_settings ) && strlen( $auth_settings['advanced_override_multisite'] ) > 0 ? '1' : '';
	3210	+
	3211	+ return $auth_settings;
	3212	+ }
	3213	+
	3214	+
	3215	+ /**
	3216	+ * Keep authorizer approved users' roles in sync with WordPress roles
	3217	+ * if someone changes the role via the WordPress Edit User page
	3218	+ * (wp-admin/user-edit.php or wp-admin/profile.php).
	3219	+ *
	3220	+ * @action user_profile_update_errors
	3221	+ * @ref https://developer.wordpress.org/reference/hooks/user_profile_update_errors/
	3222	+ * @param WP_Error &$errors Errors object to add any custom errors to
	3223	+ * @param bool $update True if updating existing user, false if saving a new one
	3224	+ * @param stdClass &$user Object with changes to WP_User object for user being edited
	3225	+ */
	3226	+ function edit_user_profile_update_role( &$errors, $update, &$user ) {
	3227	+ // Do nothing if we're not updating role.
	3228	+ if ( ! property_exists( $user, 'role' ) ) {
	3229	+ return;
	3230	+ }
	3231	+
	3232	+ // Safety check; will likely not fire if we reach this function.
	3233	+ if ( ! current_user_can( 'edit_user', $user->ID ) ) {
	3234	+ return;
	3235	+ }
	3236	+
	3237	+ // Don't perform Authorizer updates if we have a WordPress error.
	3238	+ if ( ! empty( $errors->get_error_codes() ) ) {
	3239	+ return;
	3240	+ }
	3241	+
	3242	+ // Get original user object (fail if not a real WordPress user).
	3243	+ $userdata = get_userdata( $user->ID );
	3244	+ if ( ! $userdata ) {
	3245	+ return;
	3246	+ }
	3247	+
	3248	+ // If user is in approved list, update his/her associated role.
	3249	+ if ( $this->is_email_in_list( $userdata->user_email, 'approved' ) ) {
	3250	+ $auth_settings_access_users_approved = $this->sanitize_user_list( $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN ) );
	3251	+ foreach ( $auth_settings_access_users_approved as $key => $check_user ) {
	3252	+ if ( 0 === strcasecmp( $check_user['email'], $userdata->user_email ) ) {
	3253	+ $auth_settings_access_users_approved[$key]['role'] = $user->role;
	3254	+ }
	3255	+ }
	3256	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	3257	+ }
	3258	+ }
	3259	+
	3260	+
	3261	+ /**
	3262	+ * Sync any email address changes to WordPress accounts to the corresponding
	3263	+ * entry in the Authorizer approved list.
	3264	+ *
	3265	+ * Note: This filter fires in wp_update_user() if the update includes an
	3266	+ * email address change, and fires after all security and integrity checks
	3267	+ * have been performed, so we can simply update the Authorizer approved
	3268	+ * list, changing the email address on the approved entry, and removing any
	3269	+ * existing entries that also have the new email address (duplicates).
	3270	+ *
	3271	+ * @param bool $send Whether to send the email.
	3272	+ * @param array $user The original user array.
	3273	+ * @param array $userdata The updated user array.
	3274	+ */
	3275	+ function edit_user_profile_update_email( $send, $user, $userdata ) {
	3276	+ // If we're in multisite, update the email on all sites in the network
	3277	+ // (and remove from any subsites if it's a network-approved user).
	3278	+ if ( is_multisite() ) {
	3279	+ // If it's a multisite approved user, sync the email there.
	3280	+ $changed_user_is_multisite_user = false;
	3281	+ if ( $this->is_email_in_list( $user['user_email'], 'approved', 'multisite' ) ) {
	3282	+ $changed_user_is_multisite_user = true;
	3283	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	3284	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	3285	+ );
	3286	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $check_user ) {
	3287	+ // Update old user email in approved list to the new email.
	3288	+ if ( 0 === strcasecmp( $check_user['email'], $user['user_email'] ) ) {
	3289	+ $auth_multisite_settings_access_users_approved[$key]['email'] = $this->lowercase( $userdata['user_email'] );
	3290	+ }
	3291	+ // If new user email is already in approved list, remove that entry.
	3292	+ if ( 0 === strcasecmp( $check_user['email'], $userdata['user_email'] ) ) {
	3293	+ unset( $auth_multisite_settings_access_users_approved[$key] );
	3294	+ }
	3295	+ }
	3296	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	3297	+ }
	3298	+
	3299	+ // Go through all approved lists on individual sites and sync this user there.
	3300	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	3301	+ foreach ( $sites as $site ) {
	3302	+ $updated = false;
	3303	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	3304	+ $auth_settings_access_users_approved = get_blog_option( $blog_id, 'auth_settings_access_users_approved', array() );
	3305	+ foreach ( $auth_settings_access_users_approved as $key => $check_user ) {
	3306	+ // Update old user email in approved list to the new email.
	3307	+ if ( 0 === strcasecmp( $check_user['email'], $user['user_email'] ) ) {
	3308	+ // But if the user is already a multisite user, just remove the entry in the subsite.
	3309	+ if ( $changed_user_is_multisite_user ) {
	3310	+ unset( $auth_settings_access_users_approved[$key] );
	3311	+ } else {
	3312	+ $auth_settings_access_users_approved[$key]['email'] = $this->lowercase( $userdata['user_email'] );
	3313	+ }
	3314	+ $updated = true;
	3315	+ }
	3316	+ // If new user email is already in approved list, remove that entry.
	3317	+ if ( 0 === strcasecmp( $check_user['email'], $userdata['user_email'] ) ) {
	3318	+ unset( $auth_settings_access_users_approved[$key] );
	3319	+ $updated = true;
	3320	+ }
	3321	+ }
	3322	+ if ( $updated ) {
	3323	+ update_blog_option( $blog_id, 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	3324	+ }
	3325	+ }
	3326	+ } else {
	3327	+ // In a single site environment, just find the old user in the approved list and update the email.
	3328	+ if ( $this->is_email_in_list( $user['user_email'], 'approved' ) ) {
	3329	+ $auth_settings_access_users_approved = $this->sanitize_user_list( $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN ) );
	3330	+ foreach ( $auth_settings_access_users_approved as $key => $check_user ) {
	3331	+ // Update old user email in approved list to the new email.
	3332	+ if ( 0 === strcasecmp( $check_user['email'], $user['user_email'] ) ) {
	3333	+ $auth_settings_access_users_approved[$key]['email'] = $this->lowercase( $userdata['user_email'] );
	3334	+ }
	3335	+ // If new user email is already in approved list, remove that entry.
	3336	+ if ( 0 === strcasecmp( $check_user['email'], $userdata['user_email'] ) ) {
	3337	+ unset( $auth_settings_access_users_approved[$key] );
	3338	+ }
	3339	+ }
	3340	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	3341	+ }
	3342	+ }
	3343	+
	3344	+ // We're hooking into this filter merely for its location in the codebase,
	3345	+ // so make sure to return the filter value unmodified.
	3346	+ return $send;
	3347	+ }
	3348	+
	3349	+
	3350	+ /**
	3351	+ * Settings print callbacks
	3352	+ */
	3353	+ function print_section_info_tabs( $args = '' ) {
	3354	+ if ( MULTISITE_ADMIN === $this->get_admin_mode( $args )): ?>
	3355	+ <h2 class="nav-tab-wrapper">
	3356	+ <a class="nav-tab nav-tab-access_lists nav-tab-active" href="javascript:choose_tab('access_lists' );"><?php _e( 'Access Lists', 'authorizer' ); ?></a>
	3357	+ <a class="nav-tab nav-tab-external" href="javascript:choose_tab('external' );"><?php _e( 'External Service', 'authorizer' ); ?></a>
	3358	+ <a class="nav-tab nav-tab-advanced" href="javascript:choose_tab('advanced' );"><?php _e( 'Advanced', 'authorizer' ); ?></a>
	3359	+ </h2>
	3360	+ <?php else: ?>
	3361	+ <h2 class="nav-tab-wrapper">
	3362	+ <a class="nav-tab nav-tab-access_lists nav-tab-active" href="javascript:choose_tab('access_lists' );"><?php _e( 'Access Lists', 'authorizer' ); ?></a>
	3363	+ <a class="nav-tab nav-tab-access_login" href="javascript:choose_tab('access_login' );"><?php _e( 'Login Access', 'authorizer' ); ?></a>
	3364	+ <a class="nav-tab nav-tab-access_public" href="javascript:choose_tab('access_public' );"><?php _e( 'Public Access', 'authorizer' ); ?></a>
	3365	+ <a class="nav-tab nav-tab-external" href="javascript:choose_tab('external' );"><?php _e( 'External Service', 'authorizer' ); ?></a>
	3366	+ <a class="nav-tab nav-tab-advanced" href="javascript:choose_tab('advanced' );"><?php _e( 'Advanced', 'authorizer' ); ?></a>
	3367	+ </h2>
	3368	+ <?php endif;
	3369	+ }
	3370	+
	3371	+
	3372	+ function print_section_info_access_lists( $args = '' ) {
	3373	+ $admin_mode = $this->get_admin_mode( $args );
	3374	+ ?><div id="section_info_access_lists" class="section_info">
	3375	+ <p><?php _e( 'Manage who has access to this site using these lists.', 'authorizer' ); ?></p>
	3376	+ <ol>
	3377	+ <li><?php _e( "<strong>Pending</strong> users are users who have successfully logged in to the site, but who haven't yet been approved (or blocked) by you.", 'authorizer' ); ?></li>
	3378	+ <li><?php _e( '<strong>Approved</strong> users have access to the site once they successfully log in.', 'authorizer' ); ?></li>
	3379	+ <li><?php _e( '<strong>Blocked</strong> users will receive an error message when they try to visit the site after authenticating.', 'authorizer' ); ?></li>
	3380	+ </ol>
	3381	+ </div>
	3382	+ <table class="form-table">
	3383	+ <tbody>
	3384	+ <tr>
	3385	+ <th scope="row"><?php _e( 'Pending Users', 'authorizer' ); ?> <em>(<?php echo $this->get_user_count_from_list( 'pending', $admin_mode ); ?>)</em></th>
	3386	+ <td><?php $this->print_combo_auth_access_users_pending(); ?></td>
	3387	+ </tr>
	3388	+ <tr>
	3389	+ <th scope="row"><?php _e( 'Approved Users', 'authorizer' ); ?> <em>(<?php echo $this->get_user_count_from_list( 'approved', $admin_mode ); ?>)</em></th>
	3390	+ <td><?php $this->print_combo_auth_access_users_approved(); ?></td>
	3391	+ </tr>
	3392	+ <tr>
	3393	+ <th scope="row"><?php _e( 'Blocked Users', 'authorizer' ); ?> <em>(<?php echo $this->get_user_count_from_list( 'blocked', $admin_mode ); ?>)</em></th>
	3394	+ <td><?php $this->print_combo_auth_access_users_blocked(); ?></td>
	3395	+ </tr>
	3396	+ </tbody>
	3397	+ </table>
	3398	+ <?php
	3399	+ }
	3400	+
	3401	+
	3402	+ function print_combo_auth_access_users_pending( $args = '' ) {
	3403	+ // Get plugin option.
	3404	+ $option = 'access_users_pending';
	3405	+ $auth_settings_option = $this->get_plugin_option( $option );
	3406	+ $auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();
	3407	+
	3408	+ // Render wrapper div (for aligning pager to width of content).
	3409	+ ?><div class="wrapper_<?php echo $option; ?>"><?php
	3410	+
	3411	+ // Print option elements.
	3412	+ ?><ul id="list_auth_settings_access_users_pending" style="margin:0;">
	3413	+ <?php if ( count( $auth_settings_option ) > 0 ) : ?>
	3414	+ <?php foreach ( $auth_settings_option as $key => $pending_user ): ?>
	3415	+ <?php if ( empty( $pending_user ) || count( $pending_user ) < 1 ) continue; ?>
	3416	+ <?php $pending_user['is_wp_user'] = false; ?>
	3417	+ <li>
	3418	+ <input type="text" id="auth_settings_<?php echo $option; ?>_<?php echo $key; ?>" value="<?php echo $pending_user['email']; ?>" readonly="true" class="auth-email" />
	3419	+ <select id="auth_settings_<?php echo $option; ?>_<?php echo $key; ?>_role" class="auth-role">
	3420	+ <?php $this->wp_dropdown_permitted_roles( $pending_user['role'] ); ?>
	3421	+ </select>
	3422	+ <a href="javascript:void(0);" class="button-primary" id="approve_user_<?php echo $key; ?>" onclick="auth_add_user( this, 'approved', false ); auth_ignore_user( this, 'pending' );"><span class="glyphicon glyphicon-ok"></span> <?php _e( 'Approve', 'authorizer' ); ?></a>
	3423	+ <a href="javascript:void(0);" class="button-primary" id="block_user_<?php echo $key; ?>" onclick="auth_add_user( this, 'blocked', false ); auth_ignore_user( this, 'pending' );"><span class="glyphicon glyphicon-ban-circle"></span> <?php _e( 'Block', 'authorizer' ); ?></a>
	3424	+ <a href="javascript:void(0);" class="button button-secondary" id="ignore_user_<?php echo $key; ?>" onclick="auth_ignore_user( this, 'pending' );" title="<?php _e( 'Remove user', 'authorizer' ); ?>"><span class="glyphicon glyphicon-remove"></span> <?php _e( 'Ignore', 'authorizer' ); ?></a>
	3425	+ </li>
	3426	+ <?php endforeach; ?>
	3427	+ <?php else: ?>
	3428	+ <li class="auth-empty"><em><?php _e( 'No pending users', 'authorizer' ); ?></em></li>
	3429	+ <?php endif; ?>
	3430	+ </ul>
	3431	+ </div>
	3432	+ <?php
	3433	+ }
	3434	+
	3435	+
	3436	+ function print_combo_auth_access_users_approved( $args = '' ) {
	3437	+ // Get plugin option.
	3438	+ $option = 'access_users_approved';
	3439	+ $admin_mode = $this->get_admin_mode( $args );
	3440	+ $auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'no override' );
	3441	+ $auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();
	3442	+
	3443	+ // Get multisite approved users (will be added to top of list, greyed out).
	3444	+ $auth_override_multisite = $this->get_plugin_option( 'advanced_override_multisite' );
	3445	+ $auth_multisite_settings = $this->get_plugin_options( MULTISITE_ADMIN );
	3446	+ $auth_settings_option_multisite = array();
	3447	+ if (
	3448	+ is_multisite() &&
	3449	+ ! is_network_admin() &&
	3450	+ $auth_override_multisite != '1' &&
	3451	+ array_key_exists( 'multisite_override', $auth_multisite_settings ) &&
	3452	+ $auth_multisite_settings['multisite_override'] === '1'
	3453	+ ) {
	3454	+ $auth_settings_option_multisite = $this->get_plugin_option( $option, MULTISITE_ADMIN, 'allow override' );
	3455	+ $auth_settings_option_multisite = is_array( $auth_settings_option_multisite ) ? $auth_settings_option_multisite : array();
	3456	+ // Add multisite users to the beginning of the main user array.
	3457	+ foreach ( array_reverse( $auth_settings_option_multisite ) as $approved_user ) {
	3458	+ $approved_user['multisite_user'] = true;
	3459	+ array_unshift( $auth_settings_option, $approved_user );
	3460	+ }
	3461	+ }
	3462	+
	3463	+ // Get default role for new user dropdown.
	3464	+ $access_default_role = $this->get_plugin_option( 'access_default_role', SINGLE_ADMIN, 'allow override' );
	3465	+
	3466	+ // Get custom usermeta field to show.
	3467	+ $advanced_usermeta = $this->get_plugin_option( 'advanced_usermeta' );
	3468	+
	3469	+ // Adjust javascript function prefixes if multisite.
	3470	+ $js_function_prefix = $admin_mode === MULTISITE_ADMIN ? 'auth_multisite_' : 'auth_';
	3471	+ $is_multisite_admin_page = $admin_mode === MULTISITE_ADMIN;
	3472	+
	3473	+ // Filter user list to search terms.
	3474	+ if ( isset( $_REQUEST['search'] ) && strlen( $_REQUEST['search'] ) > 0 ) {
	3475	+ $search_term = $_REQUEST['search'];
	3476	+ $auth_settings_option = array_filter( $auth_settings_option, function ( $user ) use ( $search_term ) {
	3477	+ return stripos( $user['email'], $search_term ) !== FALSE ||
	3478	+ stripos( $user['role'], $search_term ) !== FALSE ||
	3479	+ stripos( $user['date_added'], $search_term ) !== FALSE;
	3480	+ } );
	3481	+ }
	3482	+
	3483	+ // Sort user list.
	3484	+ $sort_by = $this->get_plugin_option( 'advanced_users_sort_by', SINGLE_ADMIN, 'allow override' ); // email, role, date_added (registered), created (date approved)
	3485	+ $sort_order = $this->get_plugin_option( 'advanced_users_sort_order', SINGLE_ADMIN, 'allow override' ); // asc or desc
	3486	+ $sort_dimension = array();
	3487	+ if ( in_array( $sort_by, array( 'email', 'role', 'date_added' ) ) ) {
	3488	+ foreach ( $auth_settings_option as $key => $user ) {
	3489	+ if ( $sort_by === 'date_added' ) {
	3490	+ $sort_dimension[$key] = date( 'Ymd', strtotime( $user[$sort_by] ) );
	3491	+ } else {
	3492	+ $sort_dimension[$key] = strtolower( $user[$sort_by] );
	3493	+ }
	3494	+ }
	3495	+ $sort_order = $sort_order == 'asc' ? SORT_ASC : SORT_DESC;
	3496	+ array_multisort( $sort_dimension, $sort_order, $auth_settings_option );
	3497	+ }
	3498	+
	3499	+ // Ensure array keys run from 0..max (keys in database will be the original,
	3500	+ // index, and removing users will not reorder the array keys of other users).
	3501	+ $auth_settings_option = array_values( $auth_settings_option );
	3502	+
	3503	+ // Get pager params.
	3504	+ $total_users = count( $auth_settings_option );
	3505	+ $users_per_page = intval( $this->get_plugin_option( 'advanced_users_per_page', SINGLE_ADMIN, 'allow override' ) );
	3506	+ $current_page = isset( $_REQUEST['paged'] ) ? intval( $_REQUEST['paged'] ) : 1;
	3507	+ $total_pages = ceil( $total_users / $users_per_page );
	3508	+ if ( $total_pages < 1 ) {
	3509	+ $total_pages = 1;
	3510	+ }
	3511	+
	3512	+ // Make sure current_page is between 1 and max pages.
	3513	+ if ( $current_page < 1 ) {
	3514	+ $current_page = 1;
	3515	+ } else if ( $current_page > $total_pages ) {
	3516	+ $current_page = $total_pages;
	3517	+ }
	3518	+
	3519	+ // Render wrapper div (for aligning pager to width of content).
	3520	+ ?><div class="wrapper_<?php echo $option; ?>"><?php
	3521	+
	3522	+ // Render pager.
	3523	+ $this->render_user_pager( $current_page, $users_per_page, $total_users, 'top' );
	3524	+
	3525	+ // Render user list.
	3526	+ ?><ul id="list_auth_settings_access_users_approved" class="<?php echo strlen( $advanced_usermeta ) > 0 ? 'has-usermeta' : ''; ?>"><?php
	3527	+ $offset = ( $current_page - 1 ) * $users_per_page;
	3528	+ $max = min( $offset + $users_per_page, count( $auth_settings_option ) );
	3529	+ for ( $key = $offset; $key < $max; $key++ ) :
	3530	+ $approved_user = $auth_settings_option[$key];
	3531	+ if ( empty( $approved_user ) || count( $approved_user ) < 1 ) :
	3532	+ continue;
	3533	+ endif;
	3534	+ $this->render_user_element( $approved_user, $key, $option, $admin_mode, $advanced_usermeta );
	3535	+ endfor; ?>
	3536	+ </ul><?php
	3537	+
	3538	+ ?><div id="new_auth_settings_<?php echo $option; ?>">
	3539	+ <textarea id="new_approved_user_email" placeholder="<?php _e( 'email address', 'authorizer' ); ?>" class="auth-email new autogrow-short" rows="1"></textarea>
	3540	+ <select id="new_approved_user_role" class="auth-role">
	3541	+ <?php $this->wp_dropdown_permitted_roles( $access_default_role, 'not disabled', $admin_mode ); ?>
	3542	+ </select>
	3543	+ <div class="btn-group">
	3544	+ <a href="javascript:void(0);" class="btn button-primary dropdown-toggle" id="approve_user_new" onclick="<?php echo $js_function_prefix; ?>add_user(this, 'approved' );"><span class="glyphicon glyphicon-ok"></span> <?php _e( 'Approve', 'authorizer' ); ?></a>
	3545	+ <button type="button" class="btn button-primary dropdown-toggle" data-toggle="dropdown">
	3546	+ <span class="caret"></span>
	3547	+ <span class="sr-only"><?php _e( 'Toggle Dropdown', 'authorizer' ); ?></span>
	3548	+ </button>
	3549	+ <ul class="dropdown-menu" role="menu">
	3550	+ <li><a href="javascript:void(0);" onclick="<?php echo $js_function_prefix; ?>add_user( document.getElementById('approve_user_new' ), 'approved', true);"><?php _e( 'Create a local WordPress <br />account instead, and email <br />the user their password.', 'authorizer' ); ?></a></li>
	3551	+ </ul>
	3552	+ </div>
	3553	+ </div>
	3554	+ <?php
	3555	+
	3556	+ // Render pager.
	3557	+ $this->render_user_pager( $current_page, $users_per_page, $total_users, 'bottom' );
	3558	+
	3559	+ ?></div><?php
	3560	+ }
	3561	+
	3562	+
	3563	+ /**
	3564	+ * Renders the html elements for the pager above and below the Approved User list.
	3565	+ * @param integer $current_page Which page we are currently viewing.
	3566	+ * @param integer $users_per_page How many users to show per page.
	3567	+ * @param integer $total_users Total count of users in list.
	3568	+ * @param string $which Where to render the pager ('top' or 'bottom').
	3569	+ * @return null
	3570	+ */
	3571	+ function render_user_pager( $current_page = 1, $users_per_page = 20, $total_users = 0, $which = 'top' ) {
	3572	+ $total_pages = ceil( $total_users / $users_per_page );
	3573	+ if ( $total_pages < 1 ) {
	3574	+ $total_pages = 1;
	3575	+ }
	3576	+
	3577	+ $output = ' <span class="displaying-num">' . sprintf( _n( '%s user', '%s users', $total_users, 'authorizer' ), number_format_i18n( $total_users ) ) . '</span>';
	3578	+
	3579	+ $disable_first = $current_page <= 1;
	3580	+ $disable_prev = $current_page <= 1;
	3581	+ $disable_next = $current_page >= $total_pages;
	3582	+ $disable_last = $current_page >= $total_pages;
	3583	+
	3584	+ $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
	3585	+ $current_url = remove_query_arg( wp_removable_query_args(), $current_url );
	3586	+
	3587	+ $page_links = array();
	3588	+
	3589	+ $total_pages_before = '<span class="paging-input">';
	3590	+ $total_pages_after = '</span></span>';
	3591	+
	3592	+ if ( $disable_first ) {
	3593	+ $page_links[] = '<span class="first-page tablenav-pages-navspan" aria-hidden="true">&laquo;</span>';
	3594	+ } else {
	3595	+ $page_links[] = sprintf( "<a class='first-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
	3596	+ esc_url( remove_query_arg( 'paged', $current_url ) ),
	3597	+ __( 'First page' ),
	3598	+ '&laquo;'
	3599	+ );
	3600	+ }
	3601	+
	3602	+ if ( $disable_prev ) {
	3603	+ $page_links[] = '<span class="prev-page tablenav-pages-navspan" aria-hidden="true">&lsaquo;</span>';
	3604	+ } else {
	3605	+ $page_links[] = sprintf( "<a class='prev-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
	3606	+ esc_url( add_query_arg( 'paged', max( 1, $current_page - 1 ), $current_url ) ),
	3607	+ __( 'Previous page' ),
	3608	+ '&lsaquo;'
	3609	+ );
	3610	+ }
	3611	+
	3612	+ if ( 'bottom' === $which ) {
	3613	+ $html_current_page = '<span class="current-page-text">' . $current_page . '</span>';
	3614	+ $total_pages_before = '<span class="screen-reader-text">' . __( 'Current Page' ) . '</span><span id="table-paging" class="paging-input"><span class="tablenav-paging-text">';
	3615	+ } else {
	3616	+ $html_current_page = sprintf( "%s<input class='current-page' id='current-page-selector' type='text' name='paged' value='%s' size='%d' aria-describedby='table-paging' /><span class='tablenav-paging-text'>",
	3617	+ '<label for="current-page-selector" class="screen-reader-text">' . __( 'Current Page' ) . '</label>',
	3618	+ $current_page,
	3619	+ strlen( $total_pages )
	3620	+ );
	3621	+ }
	3622	+ $html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
	3623	+ $page_links[] = $total_pages_before . sprintf( _x( '%1$s of %2$s', 'paging' ), $html_current_page, $html_total_pages ) . $total_pages_after;
	3624	+
	3625	+ if ( $disable_next ) {
	3626	+ $page_links[] = '<span class="next-page tablenav-pages-navspan" aria-hidden="true">&rsaquo;</span>';
	3627	+ } else {
	3628	+ $page_links[] = sprintf( "<a class='next-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
	3629	+ esc_url( add_query_arg( 'paged', min( $total_pages, $current_page + 1 ), $current_url ) ),
	3630	+ __( 'Next page' ),
	3631	+ '&rsaquo;'
	3632	+ );
	3633	+ }
	3634	+
	3635	+ if ( $disable_last ) {
	3636	+ $page_links[] = '<span class="last-page tablenav-pages-navspan" aria-hidden="true">&raquo;</span>';
	3637	+ } else {
	3638	+ $page_links[] = sprintf( "<a class='last-page' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
	3639	+ esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
	3640	+ __( 'Last page' ),
	3641	+ '&raquo;'
	3642	+ );
	3643	+ }
	3644	+
	3645	+ $pagination_links_class = 'pagination-links';
	3646	+ $output .= "\n<span class='$pagination_links_class'>" . join( "\n", $page_links ) . '</span>';
	3647	+
	3648	+ $search_form = array();
	3649	+ if ( 'top' === $which ) {
	3650	+ $search_term = isset( $_REQUEST['search'] ) ? $_REQUEST['search'] : '';
	3651	+ $search_form[] = '<div class="search-box">';
	3652	+ $search_form[] = '<label class="screen-reader-text" for="user-search-input">' . __( 'Search Users', 'authorizer' ) . '</label>';
	3653	+ $search_form[] = '<input type="search" size="14" id="user-search-input" name="search" value="' . $search_term . '">';
	3654	+ $search_form[] = '<input type="button" id="search-submit" class="button" value="' . __( 'Search', 'authorizer' ) . '">';
	3655	+ $search_form[] = '</div>';
	3656	+ }
	3657	+ $search_form = join( "\n", $search_form );
	3658	+
	3659	+ $output = "<div class='tablenav-pages'>$output</div>";
	3660	+
	3661	+ ?><div class="tablenav top">
	3662	+ <?php echo $output; ?>
	3663	+ <?php echo $search_form; ?>
	3664	+ </div><?php
	3665	+ }
	3666	+
	3667	+
	3668	+ /**
	3669	+ * Renders the html <li> element for a given user in a list.
	3670	+ * @param array $approved_user User array to render.
	3671	+ * @param int $key Index of user in list of users.
	3672	+ * @param string $option List user is in (e.g., 'access_users_approved').
	3673	+ * @return null
	3674	+ */
	3675	+ function render_user_element( $approved_user, $key, $option, $admin_mode, $advanced_usermeta ) {
	3676	+ $is_local_user = array_key_exists( 'local_user', $approved_user ) && $approved_user['local_user'] === 'true';
	3677	+ $is_multisite_user = array_key_exists( 'multisite_user', $approved_user ) && $approved_user['multisite_user'] === true;
	3678	+ $option_prefix = $is_multisite_user ? 'auth_multisite_settings_' : 'auth_settings_';
	3679	+ $option_id = $option_prefix . $option . '_' . $key;
	3680	+ $approved_wp_user = get_user_by( 'email', $approved_user['email'] );
	3681	+ $is_current_user = $approved_wp_user && $approved_wp_user->ID === get_current_user_id();
	3682	+
	3683	+ // Adjust javascript function prefixes if multisite.
	3684	+ $js_function_prefix = $admin_mode === MULTISITE_ADMIN ? 'auth_multisite_' : 'auth_';
	3685	+ $is_multisite_admin_page = $admin_mode === MULTISITE_ADMIN;
	3686	+
	3687	+ if ( ! $approved_wp_user ) :
	3688	+ $approved_user['is_wp_user'] = false;
	3689	+ else :
	3690	+ $approved_user['is_wp_user'] = true;
	3691	+ $approved_user['email'] = $approved_wp_user->user_email;
	3692	+ $approved_user['role'] = $is_multisite_admin_page || count( $approved_wp_user->roles ) === 0 ? $approved_user['role'] : array_shift( $approved_wp_user->roles );
	3693	+ $approved_user['date_added'] = $approved_wp_user->user_registered;
	3694	+
	3695	+ // Get usermeta field from the WordPress user's real usermeta.
	3696	+ if ( strlen( $advanced_usermeta ) > 0 ) :
	3697	+ if ( strpos( $advanced_usermeta, 'acf___' ) === 0 && class_exists( 'acf' ) ) :
	3698	+ // Get ACF Field value for the user
	3699	+ $approved_user['usermeta'] = get_field( str_replace('acf___', '', $advanced_usermeta ), 'user_' . $approved_wp_user->ID );
	3700	+ else :
	3701	+ // Get regular usermeta value for the user.
	3702	+ $approved_user['usermeta'] = get_user_meta( $approved_wp_user->ID, $advanced_usermeta, true );
	3703	+ endif;
	3704	+ if ( is_array( $approved_user['usermeta'] ) || is_object( $approved_user['usermeta'] ) ) :
	3705	+ $approved_user['usermeta'] = serialize( $approved_user['usermeta'] );
	3706	+ endif;
	3707	+ endif;
	3708	+ endif;
	3709	+ if ( ! array_key_exists( 'usermeta', $approved_user ) ) :
	3710	+ $approved_user['usermeta'] = '';
	3711	+ endif; ?>
	3712	+ <li>
	3713	+ <input
	3714	+ type="text"
	3715	+ id="<?php echo $option_id; ?>"
	3716	+ value="<?php echo $approved_user['email']; ?>"
	3717	+ readonly="true"
	3718	+ class="<?php echo $this->create_class_name( 'email', $is_multisite_user ); ?>"
	3719	+ />
	3720	+ <select
	3721	+ id="<?php echo $option_id; ?>_role"
	3722	+ class="<?php echo $this->create_class_name( 'role', $is_multisite_user ); ?>"
	3723	+ onchange="<?php echo $js_function_prefix; ?>change_role( this );"
	3724	+ <?php if ( $is_multisite_user ) : ?>
	3725	+ disabled="disabled"
	3726	+ <?php endif; ?>
	3727	+ >
	3728	+ <?php $disable_input = $is_current_user ? 'disabled' : null; ?>
	3729	+ <?php $this->wp_dropdown_permitted_roles( $approved_user['role'], $disable_input, $admin_mode ); ?>
	3730	+ </select>
	3731	+ <input
	3732	+ type="text"
	3733	+ id="<?php echo $option_id; ?>_date_added"
	3734	+ value="<?php echo date( 'M Y', strtotime( $approved_user['date_added'] ) ); ?>"
	3735	+ readonly="true"
	3736	+ class="<?php echo $this->create_class_name( 'date-added', $is_multisite_user ); ?>"
	3737	+ />
	3738	+ <?php if ( strlen( $advanced_usermeta ) > 0 ) :
	3739	+ $should_show_usermeta_in_text_field = true; // Fallback renderer for usermeta; try to use a select first.
	3740	+ if ( strpos( $advanced_usermeta, 'acf___' ) === 0 && class_exists( 'acf' ) ) :
	3741	+ $field_object = get_field_object( str_replace('acf___', '', $advanced_usermeta ) );
	3742	+ if ( is_array( $field_object ) && array_key_exists( 'type', $field_object ) && $field_object['type'] === 'select' ) :
	3743	+ $should_show_usermeta_in_text_field = false; ?>
	3744	+ <select
	3745	+ id="<?php echo $option_id; ?>_usermeta"
	3746	+ class="<?php echo $this->create_class_name( 'usermeta', $is_multisite_user ); ?>"
	3747	+ onchange="<?php echo $js_function_prefix; ?>update_usermeta( this );"
	3748	+ >
	3749	+ <option value=""<?php if ( empty( $approved_user['usermeta'] ) ) echo ' selected="selected"'; ?>><?php _e( '-- None --', 'authorizer' ); ?></option>
	3750	+ <?php foreach ( $field_object['choices'] as $key => $label ) : ?>
	3751	+ <option value="<?php echo $key; ?>"<?php if ( $key === $approved_user['usermeta'] || ( isset( $approved_user['usermeta']['meta_value'] ) && $key === $approved_user['usermeta']['meta_value'] ) ) echo ' selected="selected"'; ?>><?php echo $label; ?></option>
	3752	+ <?php endforeach; ?>
	3753	+ </select>
	3754	+ <?php endif; ?>
	3755	+ <?php endif; ?>
	3756	+ <?php if ( $should_show_usermeta_in_text_field ) : ?>
	3757	+ <input
	3758	+ type="text"
	3759	+ id="<?php echo $option_id; ?>_usermeta"
	3760	+ value="<?php echo htmlspecialchars( $approved_user['usermeta'], ENT_COMPAT ); ?>"
	3761	+ class="<?php echo $this->create_class_name( 'usermeta', $is_multisite_user ); ?>"
	3762	+ />
	3763	+ <a class="button button-small button-primary update-usermeta" id="update_usermeta_<?php echo $key; ?>" onclick="<?php echo $js_function_prefix; ?>update_usermeta( this );" title="Update usermeta"><span class="glyphicon glyphicon-floppy-saved"></span></a>
	3764	+ <?php endif; ?>
	3765	+ <?php endif; ?>
	3766	+ <?php if ( ! $is_current_user && ! $is_multisite_user ): ?>
	3767	+ <?php if ( ! $is_multisite_admin_page ) : ?>
	3768	+ <a class="button" id="block_user_<?php echo $key; ?>" onclick="<?php echo $js_function_prefix; ?>add_user( this, 'blocked', false ); <?php echo $js_function_prefix; ?>ignore_user( this, 'approved' );" title="<?php _e( 'Block/Ban user', 'authorizer' ); ?>"><span class="glyphicon glyphicon-ban-circle"></span></a>
	3769	+ <?php endif; ?>
	3770	+ <a class="button" id="ignore_user_<?php echo $key; ?>" onclick="<?php echo $js_function_prefix; ?>ignore_user(this, 'approved' );" title="<?php _e( 'Remove user', 'authorizer' ); ?>"><span class="glyphicon glyphicon-remove"></span></a>
	3771	+ <?php endif; ?>
	3772	+ <?php if ( $is_local_user ) : ?>
	3773	+ &nbsp;<a title="Local WordPress user" class="auth-local-user"><span class="glyphicon glyphicon-user"></span></a>
	3774	+ <?php endif; ?>
	3775	+ <?php if ( $is_multisite_user ) : ?>
	3776	+ &nbsp;<a title="WordPress Multisite user" class="auth-multisite-user"><span class="glyphicon glyphicon-globe"></span></a>
	3777	+ <?php endif; ?>
	3778	+ </li><?php
	3779	+ }
	3780	+
	3781	+
	3782	+ function print_combo_auth_access_users_blocked( $args = '' ) {
	3783	+ // Get plugin option.
	3784	+ $option = 'access_users_blocked';
	3785	+ $auth_settings_option = $this->get_plugin_option( $option );
	3786	+ $auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();
	3787	+
	3788	+ // Get default role for new blocked user dropdown.
	3789	+ $access_default_role = $this->get_plugin_option( 'access_default_role', SINGLE_ADMIN, 'allow override' );
	3790	+
	3791	+ // Render wrapper div (for aligning pager to width of content).
	3792	+ ?><div class="wrapper_<?php echo $option; ?>"><?php
	3793	+
	3794	+ // Print option elements.
	3795	+ ?><ul id="list_auth_settings_<?php echo $option; ?>" style="margin:0;">
	3796	+ <?php foreach ( $auth_settings_option as $key => $blocked_user ): ?>
	3797	+ <?php if ( empty( $blocked_user ) || count( $blocked_user ) < 1 ) continue; ?>
	3798	+ <?php if ( $blocked_wp_user = get_user_by( 'email', $blocked_user['email'] ) ): ?>
	3799	+ <?php $blocked_user['email'] = $blocked_wp_user->user_email; ?>
	3800	+ <?php $blocked_user['role'] = array_shift( $blocked_wp_user->roles ); ?>
	3801	+ <?php $blocked_user['date_added'] = $blocked_wp_user->user_registered; ?>
	3802	+ <?php $blocked_user['is_wp_user'] = true; ?>
	3803	+ <?php else: ?>
	3804	+ <?php $blocked_user['is_wp_user'] = false; ?>
	3805	+ <?php endif; ?>
	3806	+ <li>
	3807	+ <input type="text" id="auth_settings_<?php echo $option; ?>_<?php echo $key; ?>" value="<?php echo $blocked_user['email']; ?>" readonly="true" class="auth-email" />
	3808	+ <select id="auth_settings_<?php echo $option; ?>_<?php echo $key; ?>_role" class="auth-role">
	3809	+ <?php $this->wp_dropdown_permitted_roles( $blocked_user['role'] ); ?>
	3810	+ </select>
	3811	+ <input type="text" id="auth_settings_<?php echo $option; ?>_<?php echo $key; ?>_date_added" value="<?php echo date( 'M Y', strtotime( $blocked_user['date_added'] ) ); ?>" readonly="true" class="auth-date-added" />
	3812	+ <a class="button" id="ignore_user_<?php echo $key; ?>" onclick="auth_ignore_user(this, 'blocked' );" title="<?php _e( 'Remove user', 'authorizer' ); ?>"><span class="glyphicon glyphicon-remove"></span></a>
	3813	+ </li>
	3814	+ <?php endforeach; ?>
	3815	+ </ul>
	3816	+ <div id="new_auth_settings_<?php echo $option; ?>">
	3817	+ <input type="text" id="new_blocked_user_email" placeholder="<?php _e( 'email address', 'authorizer' ); ?>" class="auth-email new" />
	3818	+ <select id="new_blocked_user_role" class="auth-role">
	3819	+ <option value="<?php echo $access_default_role; ?>"><?php echo ucfirst( $access_default_role ); ?></option>
	3820	+ </select>
	3821	+ <a href="javascript:void(0);" class="button-primary" id="block_user_new" onclick="auth_add_user(this, 'blocked' );"><span class="glyphicon glyphicon-ban-circle"></span> <?php _e( 'Block', 'authorizer' ); ?></a>
	3822	+ </div>
	3823	+ </div>
	3824	+ <?php
	3825	+ }
	3826	+
	3827	+
	3828	+ function print_section_info_access_login( $args = '' ) {
	3829	+ ?><div id="section_info_access_login" class="section_info">
	3830	+ <?php wp_nonce_field( 'save_auth_settings', 'nonce_save_auth_settings' ); ?>
	3831	+ <p><?php _e( 'Choose who is able to log into this site below.', 'authorizer' ); ?></p>
	3832	+ </div><?php
	3833	+ }
	3834	+
	3835	+
	3836	+ function print_radio_auth_access_who_can_login( $args = '' ) {
	3837	+ // Get plugin option.
	3838	+ $option = 'access_who_can_login';
	3839	+ $admin_mode = $this->get_admin_mode( $args );
	3840	+ $auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'allow override', 'print overlay' );
	3841	+
	3842	+ // If this site is configured independently of any multisite overrides, make sure we are not grabbing the multisite value; otherwise, grab the multisite value to show behind the disabled overlay.
	3843	+ if ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
	3844	+ $auth_settings_option = $this->get_plugin_option( $option );
	3845	+ } elseif ( is_multisite() && $admin_mode === SINGLE_ADMIN && $this->get_plugin_option( 'multisite_override', MULTISITE_ADMIN ) === '1' ) {
	3846	+ // Workaround: javascript code hides/shows other settings based
	3847	+ // on the selection in this option. If this option is overridden
	3848	+ // by a multisite option, it should show that value in order to
	3849	+ // correctly display the other appropriate options.
	3850	+ // Side effect: this site option will be overwritten by the
	3851	+ // multisite option on save. Since this is a 2-item radio, we
	3852	+ // determined this was acceptable.
	3853	+ $auth_settings_option = $this->get_plugin_option( $option, MULTISITE_ADMIN );
	3854	+ }
	3855	+
	3856	+ // Print option elements.
	3857	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_external_users" name="auth_settings[<?php echo $option; ?>]" value="external_users"<?php checked( 'external_users' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_external_users"><?php _e( 'All authenticated users (All external service users and all WordPress users)', 'authorizer' ); ?></label><br />
	3858	+ <input type="radio" id="radio_auth_settings_<?php echo $option; ?>_approved_users" name="auth_settings[<?php echo $option; ?>]" value="approved_users"<?php checked( 'approved_users' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_approved_users"><?php _e( 'Only', 'authorizer' ); ?> <a href="javascript:choose_tab('access_lists' );" id="dashboard_link_approved_users"><?php _e( 'approved users', 'authorizer' ); ?></a> <?php _e( '(Approved external users and all WordPress users)', 'authorizer' ); ?></label><br /><?php
	3859	+ }
	3860	+
	3861	+
	3862	+ function print_select_auth_access_role_receive_pending_emails( $args = '' ) {
	3863	+ // Get plugin option.
	3864	+ $option = 'access_role_receive_pending_emails';
	3865	+ $auth_settings_option = $this->get_plugin_option( $option );
	3866	+
	3867	+ // Print option elements.
	3868	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	3869	+ <option value="---" <?php selected( $auth_settings_option, '---' ); ?>><?php _e( "None (Don't send notification emails)", 'authorizer' ); ?></option>
	3870	+ <?php wp_dropdown_roles( $auth_settings_option ); ?>
	3871	+ </select><?php
	3872	+ }
	3873	+
	3874	+
	3875	+ function print_wysiwyg_auth_access_pending_redirect_to_message( $args = '' ) {
	3876	+ // Get plugin option.
	3877	+ $option = 'access_pending_redirect_to_message';
	3878	+ $auth_settings_option = $this->get_plugin_option( $option );
	3879	+
	3880	+ // Print option elements.
	3881	+ wp_editor(
	3882	+ wpautop( $auth_settings_option ),
	3883	+ "auth_settings_$option",
	3884	+ array(
	3885	+ 'media_buttons' => false,
	3886	+ 'textarea_name' => "auth_settings[$option]",
	3887	+ 'textarea_rows' => 5,
	3888	+ 'tinymce' => true,
	3889	+ 'teeny' => true,
	3890	+ 'quicktags' => false,
	3891	+ )
	3892	+ );
	3893	+ }
	3894	+
	3895	+
	3896	+ function print_wysiwyg_auth_access_blocked_redirect_to_message( $args = '' ) {
	3897	+ // Get plugin option.
	3898	+ $option = 'access_blocked_redirect_to_message';
	3899	+ $auth_settings_option = $this->get_plugin_option( $option );
	3900	+
	3901	+ // Print option elements.
	3902	+ wp_editor(
	3903	+ wpautop( $auth_settings_option ),
	3904	+ "auth_settings_$option",
	3905	+ array(
	3906	+ 'media_buttons' => false,
	3907	+ 'textarea_name' => "auth_settings[$option]",
	3908	+ 'textarea_rows' => 5,
	3909	+ 'tinymce' => true,
	3910	+ 'teeny' => true,
	3911	+ 'quicktags' => false,
	3912	+ )
	3913	+ );
	3914	+ }
	3915	+
	3916	+
	3917	+ function print_checkbox_auth_access_should_email_approved_users( $args = '' ) {
	3918	+ // Get plugin option.
	3919	+ $option = 'access_should_email_approved_users';
	3920	+ $auth_settings_option = $this->get_plugin_option( $option );
	3921	+
	3922	+ // Print option elements.
	3923	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Send a welcome email when approving a new user', 'authorizer' ); ?></label><?php
	3924	+ }
	3925	+
	3926	+
	3927	+ function print_text_auth_access_email_approved_users_subject( $args = '' ) {
	3928	+ // Get plugin option.
	3929	+ $option = 'access_email_approved_users_subject';
	3930	+ $auth_settings_option = $this->get_plugin_option( $option );
	3931	+
	3932	+ // Print option elements.
	3933	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="Welcome to [site_name]!" style="width:320px;" /><br /><small><?php _e( 'You can use the <b>[site_name]</b> shortcode.', 'authorizer' ); ?></small><?php
	3934	+ }
	3935	+
	3936	+
	3937	+ function print_wysiwyg_auth_access_email_approved_users_body( $args = '' ) {
	3938	+ // Get plugin option.
	3939	+ $option = 'access_email_approved_users_body';
	3940	+ $auth_settings_option = $this->get_plugin_option( $option );
	3941	+
	3942	+ // Print option elements.
	3943	+ wp_editor(
	3944	+ wpautop( $auth_settings_option ),
	3945	+ "auth_settings_$option",
	3946	+ array(
	3947	+ 'media_buttons' => false,
	3948	+ 'textarea_name' => "auth_settings[$option]",
	3949	+ 'textarea_rows' => 9,
	3950	+ 'tinymce' => true,
	3951	+ 'teeny' => true,
	3952	+ 'quicktags' => false,
	3953	+ )
	3954	+ );
	3955	+
	3956	+ ?><small><?php printf(
	3957	+ /* TRANSLATORS: 1: Shortcode for site name 2: Shortcode for site URL 3: Shortcode for user email */
	3958	+ __( 'You can use %1$s, %2$s, and %3$s shortcodes.', 'authorizer' ),
	3959	+ '<b>[site_name]</b>',
	3960	+ '<b>[site_url]</b>',
	3961	+ '<b>[user_email]</b>'
	3962	+ ); ?></small><?php
	3963	+
	3964	+ }
	3965	+
	3966	+
	3967	+ function print_section_info_access_public( $args = '' ) {
	3968	+ ?><div id="section_info_access_public" class="section_info">
	3969	+ <p><?php _e( 'Choose your public access options here.', 'authorizer' ); ?></p>
	3970	+ </div><?php
	3971	+ }
	3972	+
	3973	+
	3974	+ function print_radio_auth_access_who_can_view( $args = '' ) {
	3975	+ // Get plugin option.
	3976	+ $option = 'access_who_can_view';
	3977	+ $admin_mode = $this->get_admin_mode( $args );
	3978	+ $auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'allow override', 'print overlay' );
	3979	+
	3980	+ // If this site is configured independently of any multisite overrides, make sure we are not grabbing the multisite value; otherwise, grab the multisite value to show behind the disabled overlay.
	3981	+ if ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
	3982	+ $auth_settings_option = $this->get_plugin_option( $option );
	3983	+ } elseif ( is_multisite() && $admin_mode === SINGLE_ADMIN && $this->get_plugin_option( 'multisite_override', MULTISITE_ADMIN ) === '1' ) {
	3984	+ // Workaround: javascript code hides/shows other settings based
	3985	+ // on the selection in this option. If this option is overridden
	3986	+ // by a multisite option, it should show that value in order to
	3987	+ // correctly display the other appropriate options.
	3988	+ // Side effect: this site option will be overwritten by the
	3989	+ // multisite option on save. Since this is a 2-item radio, we
	3990	+ // determined this was acceptable.
	3991	+ $auth_settings_option = $this->get_plugin_option( $option, MULTISITE_ADMIN );
	3992	+ }
	3993	+
	3994	+ // Print option elements.
	3995	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_everyone" name="auth_settings[<?php echo $option; ?>]" value="everyone"<?php checked( 'everyone' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_everyone"><?php _e( 'Everyone can see the site', 'authorizer' ); ?></label><br />
	3996	+ <input type="radio" id="radio_auth_settings_<?php echo $option; ?>_logged_in_users" name="auth_settings[<?php echo $option; ?>]" value="logged_in_users"<?php checked( 'logged_in_users' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_logged_in_users"><?php _e( 'Only logged in users can see the site', 'authorizer' ); ?></label><br /><?php
	3997	+ }
	3998	+
	3999	+
	4000	+ function print_radio_auth_access_redirect( $args = '' ) {
	4001	+ // Get plugin option.
	4002	+ $option = 'access_redirect';
	4003	+ $auth_settings_option = $this->get_plugin_option( $option );
	4004	+
	4005	+ // Print option elements.
	4006	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_to_login" name="auth_settings[<?php echo $option; ?>]" value="login"<?php checked( 'login' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_to_login"><?php _e( 'Send them to the login screen', 'authorizer' ); ?></label><br />
	4007	+ <input type="radio" id="radio_auth_settings_<?php echo $option; ?>_to_message" name="auth_settings[<?php echo $option; ?>]" value="message"<?php checked( 'message' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_to_message"><?php _e( 'Show them the anonymous access message (below)', 'authorizer' ); ?></label><?php
	4008	+ }
	4009	+
	4010	+
	4011	+ function print_radio_auth_access_public_warning( $args = '' ) {
	4012	+ // Get plugin option.
	4013	+ $option = 'access_public_warning';
	4014	+ $auth_settings_option = $this->get_plugin_option( $option );
	4015	+
	4016	+ // Print option elements.
	4017	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_no" name="auth_settings[<?php echo $option; ?>]" value="no_warning"<?php checked( 'no_warning' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_no"><?php _e( 'Show them the page <strong>without</strong> the anonymous access message', 'authorizer' ); ?></label><br />
	4018	+ <input type="radio" id="radio_auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="warning"<?php checked( 'warning' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>"><?php _e( 'Show them the page <strong>with</strong> the anonymous access message (marked up as a <a href="http://getbootstrap.com/components/#alerts-dismissible" target="_blank">Bootstrap Dismissible Alert</a>)', 'authorizer' ); ?></label><?php
	4019	+ }
	4020	+
	4021	+
	4022	+ function print_wysiwyg_auth_access_redirect_to_message( $args = '' ) {
	4023	+ // Get plugin option.
	4024	+ $option = 'access_redirect_to_message';
	4025	+ $auth_settings_option = $this->get_plugin_option( $option );
	4026	+
	4027	+ // Print option elements.
	4028	+ wp_editor(
	4029	+ wpautop( $auth_settings_option ),
	4030	+ "auth_settings_$option",
	4031	+ array(
	4032	+ 'media_buttons' => false,
	4033	+ 'textarea_name' => "auth_settings[$option]",
	4034	+ 'textarea_rows' => 5,
	4035	+ 'tinymce' => true,
	4036	+ 'teeny' => true,
	4037	+ 'quicktags' => false,
	4038	+ )
	4039	+ );
	4040	+ }
	4041	+
	4042	+
	4043	+ function print_multiselect_auth_access_public_pages( $args = '' ) {
	4044	+ // Get plugin option.
	4045	+ $option = 'access_public_pages';
	4046	+ $auth_settings_option = $this->get_plugin_option( $option );
	4047	+ $auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();
	4048	+
	4049	+ $post_types = array_merge( array( 'page', 'post' ), get_post_types( array( '_builtin' => false ), 'names' ) );
	4050	+ $post_types = is_array( $post_types ) ? $post_types : array();
	4051	+
	4052	+ // Print option elements.
	4053	+ ?><select id="auth_settings_<?php echo $option; ?>" multiple="multiple" name="auth_settings[<?php echo $option; ?>][]">
	4054	+ <optgroup label="<?php _e( 'Home', 'authorizer' ); ?>">
	4055	+ <option value="home" <?php echo in_array( 'home', $auth_settings_option ) ? 'selected="selected"' : ''; ?>><?php _e( 'Home Page', 'authorizer' ); ?></option>
	4056	+ <option value="auth_public_404" <?php echo in_array( 'auth_public_404', $auth_settings_option ) ? 'selected="selected"' : ''; ?>><?php _e( 'Nonexistent (404) Pages', 'authorizer' ); ?></option>
	4057	+ </optgroup>
	4058	+ <?php foreach ( $post_types as $post_type ): ?>
	4059	+ <optgroup label="<?php echo ucfirst( $post_type ); ?>">
	4060	+ <?php $pages = get_posts( array( 'post_type' => $post_type, 'posts_per_page' => -1 ) ); ?>
	4061	+ <?php $pages = is_array( $pages ) ? $pages : array(); ?>
	4062	+ <?php foreach ( $pages as $page ): ?>
	4063	+ <option value="<?php echo $page->ID; ?>" <?php echo in_array( $page->ID, $auth_settings_option ) ? 'selected="selected"' : ''; ?>><?php echo $page->post_title; ?></option>
	4064	+ <?php endforeach; ?>
	4065	+ </optgroup>
	4066	+ <?php endforeach; ?>
	4067	+ <optgroup label="<?php _e( 'Categories', 'authorizer' ); ?>">
	4068	+ <?php
	4069	+ // If sitepress-multilingual-cms plugin is enabled, temporarily disable
	4070	+ // its terms_clauses filter since it conflicts with the category handling.
	4071	+ if ( array_key_exists( 'sitepress', $GLOBALS ) && is_object( $GLOBALS['sitepress'] ) ) {
	4072	+ remove_filter( 'terms_clauses', array( $GLOBALS['sitepress'], 'terms_clauses' ) );
	4073	+ $categories = get_categories( array( 'hide_empty' => false ) );
	4074	+ add_filter( 'terms_clauses', array( $GLOBALS['sitepress'], 'terms_clauses' ) );
	4075	+ } else {
	4076	+ $categories = get_categories( array( 'hide_empty' => false ) );
	4077	+ }
	4078	+ foreach ( $categories as $category ) : ?>
	4079	+ <option value="<?php echo 'cat_' . $category->slug; ?>" <?php echo in_array( 'cat_' . $category->slug, $auth_settings_option ) ? 'selected="selected"' : ''; ?>><?php echo $category->name; ?></option>
	4080	+ <?php endforeach; ?>
	4081	+ </optgroup>
	4082	+ </select><?php
	4083	+ }
	4084	+
	4085	+
	4086	+ function print_section_info_external( $args = '' ) {
	4087	+ ?><div id="section_info_external" class="section_info">
	4088	+ <p><?php _e( 'Enter your external server settings below.', 'authorizer' ); ?></p>
	4089	+ </div><?php
	4090	+ }
	4091	+
	4092	+
	4093	+ function get_admin_mode( $args ) {
	4094	+ if ( is_array( $args ) && array_key_exists( MULTISITE_ADMIN, $args ) && $args[MULTISITE_ADMIN] === true ) {
	4095	+ return MULTISITE_ADMIN;
	4096	+ } else {
	4097	+ return SINGLE_ADMIN;
	4098	+ }
	4099	+ }
	4100	+
	4101	+
	4102	+ function print_select_auth_access_default_role( $args = '' ) {
	4103	+ // Get plugin option.
	4104	+ $option = 'access_default_role';
	4105	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4106	+
	4107	+ // Print option elements.
	4108	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	4109	+ <?php wp_dropdown_roles( $auth_settings_option ); ?>
	4110	+ </select><?php
	4111	+ }
	4112	+
	4113	+
	4114	+ function print_checkbox_auth_external_google( $args = '' ) {
	4115	+ // Get plugin option.
	4116	+ $option = 'google';
	4117	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4118	+
	4119	+ // Print option elements.
	4120	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Enable Google Logins', 'authorizer' ); ?></label><?php
	4121	+ }
	4122	+
	4123	+
	4124	+ function print_text_google_clientid( $args = '' ) {
	4125	+ // Get plugin option.
	4126	+ $option = 'google_clientid';
	4127	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4128	+
	4129	+ // Print option elements.
	4130	+ $site_url_parts = parse_url( get_site_url() );
	4131	+ $site_url_host = $site_url_parts['scheme'] . '://' . $site_url_parts['host'] . '/';
	4132	+ ?><?php _e( "If you don't have a Google Client ID and Secret, generate them by following these instructions:", 'authorizer' ); ?>
	4133	+ <ol>
	4134	+ <li><?php _e( 'Click <strong>Create a Project</strong> on the <a href="https://cloud.google.com/console" target="_blank">Google Developers Console</a>. You can name it whatever you want.', 'authorizer' ); ?></li>
	4135	+ <li><?php _e( 'Within the project, navigate to <em>APIs and Auth</em> &gt; <em>Credentials</em>, then click <strong>Create New Client ID</strong> under OAuth. Use these settings:', 'authorizer' ); ?>
	4136	+ <ul>
	4137	+ <li><?php _e( 'Application Type: <strong>Web application</strong>', 'authorizer' ); ?></li>
	4138	+ <li><?php _e( 'Authorized Javascript Origins:', 'authorizer' ); ?> <strong><?php echo rtrim( $site_url_host, '/' ); ?></strong></li>
	4139	+ <li><?php _e( 'Authorized Redirect URI: <em>none</em>', 'authorizer' ); ?></li>
	4140	+ </ul>
	4141	+ </li>
	4142	+ <li><?php _e( 'Copy/paste your new Client ID/Secret pair into the fields below.', 'authorizer' ); ?></li>
	4143	+ <li><?php _e( '<strong>Note</strong>: Navigate to <em>APIs and Auth</em> &gt; <em>Consent screen</em> to change the way the Google consent screen appears after a user has successfully entered their password, but before they are redirected back to WordPress.', 'authorizer' ); ?></li>
	4144	+ <li><?php _e( 'Note: Google may have a more recent version of these instructions in their <a href="https://developers.google.com/identity/sign-in/web/devconsole-project" target="_blank">developer documentation</a>.', 'authorizer' ); ?></li>
	4145	+ </ol>
	4146	+ <input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:560px;" />
	4147	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: 1234567890123-kdjr85yt6vjr6d8g7dhr8g7d6durjf7g.apps.googleusercontent.com', 'authorizer'); ?></label><?php
	4148	+ }
	4149	+
	4150	+
	4151	+ function print_text_google_clientsecret( $args = '' ) {
	4152	+ // Get plugin option.
	4153	+ $option = 'google_clientsecret';
	4154	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4155	+
	4156	+ // Print option elements.
	4157	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:220px;" />
	4158	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: sDNgX5_pr_5bly-frKmvp8jT', 'authorizer'); ?></label><?php
	4159	+ }
	4160	+
	4161	+
	4162	+ function print_text_google_hosteddomain( $args = '' ) {
	4163	+ // Get plugin option.
	4164	+ $option = 'google_hosteddomain';
	4165	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4166	+
	4167	+ // Print option elements.
	4168	+ ?><textarea id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" placeholder="" style="width:220px;"><?php echo $auth_settings_option; ?></textarea>
	4169	+ <br /><small><?php _e( 'Restrict Google logins to a specific Google Apps hosted domain (for example, mycollege.edu). Leave blank to allow all Google sign-ins.', 'authorizer' ); ?><br /><?php _e( 'If restricting to multiple domains, add one domain per line.', 'authorizer' ); ?></small>
	4170	+ <?php
	4171	+ }
	4172	+
	4173	+
	4174	+ function print_checkbox_auth_external_cas( $args = '' ) {
	4175	+ // Get plugin option.
	4176	+ $option = 'cas';
	4177	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4178	+
	4179	+ // Make sure php5-curl extension is installed on server.
	4180	+ $curl_installed_message = ! function_exists( 'curl_init' ) ? __( '<a href="http://www.php.net//manual/en/curl.installation.php" target="_blank" style="color: red;">PHP CURL extension</a> is not installed', 'authorizer' ) : '';
	4181	+
	4182	+ // Make sure php_openssl extension is installed on server.
	4183	+ $openssl_installed_message = ! extension_loaded( 'openssl' ) ? __( '<a href="http://stackoverflow.com/questions/23424459/enable-php-openssl-not-working" target="_blank" style="color: red;">PHP openssl extension</a> is not installed', 'authorizer' ) : '';
	4184	+
	4185	+ // Build error message string.
	4186	+ $error_message = '';
	4187	+ if ( strlen( $curl_installed_message ) > 0 || strlen( $openssl_installed_message ) > 0 ) {
	4188	+ $error_message = '<span style="color: red;">(' .
	4189	+ __( 'Warning', 'authorizer' ) . ': ' .
	4190	+ $curl_installed_message .
	4191	+ ( strlen( $curl_installed_message ) > 0 && strlen( $openssl_installed_message ) > 0 ? '; ' : '' ) .
	4192	+ $openssl_installed_message .
	4193	+ ')</span>';
	4194	+ }
	4195	+
	4196	+ // Print option elements.
	4197	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Enable CAS Logins', 'authorizer' ); ?></label> <?php echo $error_message; ?><?php
	4198	+ }
	4199	+
	4200	+
	4201	+ function print_text_cas_custom_label( $args = '' ) {
	4202	+ // Get plugin option.
	4203	+ $option = 'cas_custom_label';
	4204	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4205	+
	4206	+ // Print option elements.
	4207	+ ?><?php _e( 'The button on the login page will read:', 'authorizer' ); ?><p><a class="button-primary button-large" style="padding: 3px 16px; height: 36px;"><span class="dashicons dashicons-lock" style="margin: 4px 4px 0 0;"></span> <strong><?php _e( 'Sign in with', 'authorizer' ); ?> </strong><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="CAS" style="width: 100px;" /></a></p><?php
	4208	+ }
	4209	+
	4210	+
	4211	+ function print_text_cas_host( $args = '' ) {
	4212	+ // Get plugin option.
	4213	+ $option = 'cas_host';
	4214	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4215	+
	4216	+ // Print option elements.
	4217	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4218	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: authn.example.edu', 'authorizer'); ?></label><?php
	4219	+ }
	4220	+
	4221	+
	4222	+ function print_text_cas_port( $args = '' ) {
	4223	+ // Get plugin option.
	4224	+ $option = 'cas_port';
	4225	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4226	+
	4227	+ // Print option elements.
	4228	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:50px;" />
	4229	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: 443', 'authorizer'); ?></label><?php
	4230	+ }
	4231	+
	4232	+
	4233	+ function print_text_cas_path( $args = '' ) {
	4234	+ // Get plugin option.
	4235	+ $option = 'cas_path';
	4236	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4237	+
	4238	+ // Print option elements.
	4239	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4240	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: /cas', 'authorizer'); ?></label><?php
	4241	+ }
	4242	+
	4243	+
	4244	+ function print_select_cas_version( $args = '' ) {
	4245	+ // Get plugin option.
	4246	+ $option = 'cas_version';
	4247	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4248	+
	4249	+ // Print option elements.
	4250	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	4251	+ <option value="SAML_VERSION_1_1" <?php selected( $auth_settings_option, 'SAML_VERSION_1_1' ); ?>>SAML_VERSION_1_1</option>
	4252	+ <option value="CAS_VERSION_3_0" <?php selected( $auth_settings_option, 'CAS_VERSION_3_0' ); ?>>CAS_VERSION_3_0</option>
	4253	+ <option value="CAS_VERSION_2_0" <?php selected( $auth_settings_option, 'CAS_VERSION_2_0' ); ?>>CAS_VERSION_2_0</option>
	4254	+ <option value="CAS_VERSION_1_0" <?php selected( $auth_settings_option, 'CAS_VERSION_1_0' ); ?>>CAS_VERSION_1_0</option>
	4255	+ </select><?php
	4256	+ }
	4257	+
	4258	+
	4259	+ function print_text_cas_attr_email( $args = '' ) {
	4260	+ // Get plugin option.
	4261	+ $option = 'cas_attr_email';
	4262	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4263	+
	4264	+ // Print option elements.
	4265	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4266	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: mail', 'authorizer'); ?></label>
	4267	+ <br /><small><?php _e( "Note: If your CAS server doesn't return an attribute containing an email, you can specify the @domain portion of the email address here, and the email address will be constructed from it and the username. For example, if user 'bob' logs in and his email address should be bob@example.edu, then enter <strong>@example.edu</strong> in this field.", 'authorizer' ); ?></small><?php
	4268	+ }
	4269	+
	4270	+
	4271	+ function print_text_cas_attr_first_name( $args = '' ) {
	4272	+ // Get plugin option.
	4273	+ $option = 'cas_attr_first_name';
	4274	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4275	+
	4276	+ // Print option elements.
	4277	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4278	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: givenName', 'authorizer'); ?></label><?php
	4279	+ }
	4280	+
	4281	+
	4282	+ function print_text_cas_attr_last_name( $args = '' ) {
	4283	+ // Get plugin option.
	4284	+ $option = 'cas_attr_last_name';
	4285	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4286	+
	4287	+ // Print option elements.
	4288	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4289	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: sn', 'authorizer'); ?></label><?php
	4290	+ }
	4291	+
	4292	+
	4293	+ function print_checkbox_cas_attr_update_on_login( $args = '' ) {
	4294	+ // Get plugin option.
	4295	+ $option = 'cas_attr_update_on_login';
	4296	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4297	+
	4298	+ // Print option elements.
	4299	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Update first and last name fields on login (will overwrite any name the user has supplied in their profile)', 'authorizer' ); ?></label><?php
	4300	+ }
	4301	+
	4302	+
	4303	+ function print_checkbox_cas_auto_login( $args = '' ) {
	4304	+ // Get plugin option.
	4305	+ $option = 'cas_auto_login';
	4306	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4307	+
	4308	+ // Print option elements.
	4309	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( "Immediately redirect to CAS login form if it's the only enabled external service and WordPress logins are hidden", 'authorizer' ); ?></label>
	4310	+ <p><small><?php _e( 'Note: This feature will only work if you have checked "Hide WordPress Logins" in Advanced settings, and if CAS is the only enabled service (i.e., no Google or LDAP). If you have enabled CAS Single Sign-On (SSO), and a user has already logged into CAS elsewhere, enabling this feature will allow automatic logins without any user interaction.', 'authorizer' ); ?></small></p><?php
	4311	+ }
	4312	+
	4313	+
	4314	+ function print_checkbox_auth_external_ldap( $args = '' ) {
	4315	+ // Get plugin option.
	4316	+ $option = 'ldap';
	4317	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4318	+
	4319	+ // Make sure php5-ldap extension is installed on server.
	4320	+ $ldap_installed_message = ! function_exists( 'ldap_connect' ) ? '<span style="color: red;">(' . __( 'Warning: <a href="http://www.php.net/manual/en/ldap.installation.php" target="_blank" style="color: red;">PHP LDAP extension</a> is <strong>not</strong> installed', 'authorizer' ) . ')</span>' : '';
	4321	+
	4322	+ // Print option elements.
	4323	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Enable LDAP Logins', 'authorizer' ); ?></label> <?php echo $ldap_installed_message; ?><?php
	4324	+ }
	4325	+
	4326	+
	4327	+ function print_text_ldap_host( $args = '' ) {
	4328	+ // Get plugin option.
	4329	+ $option = 'ldap_host';
	4330	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4331	+
	4332	+ // Print option elements.
	4333	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:330px;" />
	4334	+ <br /><small><?php _e( "Specify either a hostname (for example, ldap.example.edu) or a full LDAP URI (for example, ldaps://ldap.example.edu:636).", 'authorizer' ); ?></small><?php
	4335	+ }
	4336	+
	4337	+
	4338	+ function print_text_ldap_port( $args = '' ) {
	4339	+ // Get plugin option.
	4340	+ $option = 'ldap_port';
	4341	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4342	+
	4343	+ // Print option elements.
	4344	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:50px;" />
	4345	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: 389', 'authorizer' ); ?></label>
	4346	+ <br /><small><?php _e( "If a full LDAP URI (ldaps://hostname:port) is specified above, this field is ignored.", 'authorizer' ); ?></small><?php
	4347	+ }
	4348	+
	4349	+
	4350	+ function print_checkbox_ldap_tls( $args = '' ) {
	4351	+ // Get plugin option.
	4352	+ $option = 'ldap_tls';
	4353	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4354	+
	4355	+ // Print option elements.
	4356	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Use TLS', 'authorizer' ); ?></label>
	4357	+ <br /><small><?php _e( "If ldaps is used, this should be unchecked", 'authorizer' ); ?></small><?php
	4358	+ }
	4359	+
	4360	+
	4361	+ function print_text_ldap_search_base( $args = '' ) {
	4362	+ // Get plugin option.
	4363	+ $option = 'ldap_search_base';
	4364	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4365	+
	4366	+ // Print option elements.
	4367	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:330px;" />
	4368	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: ou=people,dc=example,dc=edu', 'authorizer'); ?></label><?php
	4369	+ }
	4370	+
	4371	+
	4372	+ function print_text_ldap_uid( $args = '' ) {
	4373	+ // Get plugin option.
	4374	+ $option = 'ldap_uid';
	4375	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4376	+
	4377	+ // Print option elements.
	4378	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:80px;" />
	4379	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: uid', 'authorizer' ); ?></label><?php
	4380	+ }
	4381	+
	4382	+
	4383	+ function print_text_ldap_attr_email( $args = '' ) {
	4384	+ // Get plugin option.
	4385	+ $option = 'ldap_attr_email';
	4386	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4387	+
	4388	+ // Print option elements.
	4389	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4390	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: mail', 'authorizer' ); ?></label>
	4391	+ <br /><small><?php _e( "Note: If your LDAP server doesn't return an attribute containing an email, you can specify the @domain portion of the email address here, and the email address will be constructed from it and the username. For example, if user 'bob' logs in and his email address should be bob@example.edu, then enter <strong>@example.edu</strong> in this field.", 'authorizer' ); ?></small><?php
	4392	+ }
	4393	+
	4394	+
	4395	+ function print_text_ldap_user( $args = '' ) {
	4396	+ // Get plugin option.
	4397	+ $option = 'ldap_user';
	4398	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4399	+
	4400	+ // Print option elements.
	4401	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width:330px;" />
	4402	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: cn=directory-user,ou=specials,dc=example,dc=edu', 'authorizer' ); ?></label><?php
	4403	+ }
	4404	+
	4405	+
	4406	+ function print_password_ldap_password( $args = '' ) {
	4407	+ // Get plugin option.
	4408	+ $option = 'ldap_password';
	4409	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4410	+
	4411	+ // Print option elements.
	4412	+ ?><input type="password" id="garbage_to_stop_autofill" name="garbage" value="" autocomplete="off" style="display:none;" />
	4413	+ <input type="password" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $this->decrypt( $auth_settings_option ); ?>" autocomplete="off" /><?php
	4414	+ }
	4415	+
	4416	+
	4417	+ function print_text_ldap_lostpassword_url( $args = '' ) {
	4418	+ // Get plugin option.
	4419	+ $option = 'ldap_lostpassword_url';
	4420	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4421	+
	4422	+ // Print option elements.
	4423	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" style="width: 400px;" />
	4424	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: https://myschool.example.edu:8888/am-forgot-password', 'authorizer' ); ?></label><?php
	4425	+ }
	4426	+
	4427	+
	4428	+ function print_text_ldap_attr_first_name( $args = '' ) {
	4429	+ // Get plugin option.
	4430	+ $option = 'ldap_attr_first_name';
	4431	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4432	+
	4433	+ // Print option elements.
	4434	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4435	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: givenname', 'authorizer' ); ?></label><?php
	4436	+ }
	4437	+
	4438	+
	4439	+ function print_text_ldap_attr_last_name( $args = '' ) {
	4440	+ // Get plugin option.
	4441	+ $option = 'ldap_attr_last_name';
	4442	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4443	+
	4444	+ // Print option elements.
	4445	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" />
	4446	+ <br /><label for="auth_settings_<?php echo $option; ?>" class="helper"><?php _e( 'Example: sn', 'authorizer' ); ?></label><?php
	4447	+ }
	4448	+
	4449	+
	4450	+ function print_checkbox_ldap_attr_update_on_login( $args = '' ) {
	4451	+ // Get plugin option.
	4452	+ $option = 'ldap_attr_update_on_login';
	4453	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4454	+
	4455	+ // Print option elements.
	4456	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Update first and last name fields on login (will overwrite any name the user has supplied in their profile)', 'authorizer' ); ?></label><?php
	4457	+ }
	4458	+
	4459	+
	4460	+ function print_section_info_advanced( $args = '' ) {
	4461	+ ?><div id="section_info_advanced" class="section_info">
	4462	+ <p><?php _e( 'You may optionally specify some advanced settings below.', 'authorizer' ); ?></p>
	4463	+ </div><?php
	4464	+ }
	4465	+
	4466	+
	4467	+ function print_text_auth_advanced_lockouts( $args = '' ) {
	4468	+ // Get plugin option.
	4469	+ $option = 'advanced_lockouts';
	4470	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4471	+
	4472	+ // Print option elements.
	4473	+ ?><?php _e( 'After', 'authorizer' ); ?>
	4474	+ <input type="text" id="auth_settings_<?php echo $option; ?>_attempts_1" name="auth_settings[<?php echo $option; ?>][attempts_1]" value="<?php echo $auth_settings_option['attempts_1']; ?>" placeholder="10" style="width:30px;" />
	4475	+ <?php _e( 'invalid password attempts, delay further attempts on that user for', 'authorizer' ); ?>
	4476	+ <input type="text" id="auth_settings_<?php echo $option; ?>_duration_1" name="auth_settings[<?php echo $option; ?>][duration_1]" value="<?php echo $auth_settings_option['duration_1']; ?>" placeholder="1" style="width:30px;" />
	4477	+ <?php _e( 'minute(s).', 'authorizer' ); ?>
	4478	+ <br />
	4479	+ <?php _e( 'After', 'authorizer' ); ?>
	4480	+ <input type="text" id="auth_settings_<?php echo $option; ?>_attempts_2" name="auth_settings[<?php echo $option; ?>][attempts_2]" value="<?php echo $auth_settings_option['attempts_2']; ?>" placeholder="10" style="width:30px;" />
	4481	+ <?php _e( 'more invalid attempts, increase the delay to', 'authorizer' ); ?>
	4482	+ <input type="text" id="auth_settings_<?php echo $option; ?>_duration_2" name="auth_settings[<?php echo $option; ?>][duration_2]" value="<?php echo $auth_settings_option['duration_2']; ?>" placeholder="10" style="width:30px;" />
	4483	+ <?php _e( 'minutes.', 'authorizer' ); ?>
	4484	+ <br />
	4485	+ <?php _e( 'Reset the delays after', 'authorizer' ); ?>
	4486	+ <input type="text" id="auth_settings_<?php echo $option; ?>_reset_duration" name="auth_settings[<?php echo $option; ?>][reset_duration]" value="<?php echo $auth_settings_option['reset_duration']; ?>" placeholder="240" style="width:40px;" />
	4487	+ <?php _e( 'minutes with no invalid attempts.', 'authorizer' ); ?><?php
	4488	+ }
	4489	+
	4490	+
	4491	+ function print_checkbox_auth_advanced_hide_wp_login( $args = '' ) {
	4492	+ // Get plugin option.
	4493	+ $option = 'advanced_hide_wp_login';
	4494	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4495	+
	4496	+ // Print option elements.
	4497	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Hide WordPress Logins', 'authorizer' ); ?></label>
	4498	+ <p><small><?php _e( 'Note: You can always access the WordPress logins by adding external=wordpress to the wp-login URL, like so:', 'authorizer' ); ?><br /><a href="<?php echo wp_login_url(); ?>?external=wordpress" target="_blank"><?php echo wp_login_url(); ?>?external=wordpress</a>.</p><?php
	4499	+ }
	4500	+
	4501	+
	4502	+ function print_radio_auth_advanced_branding( $args = '' ) {
	4503	+ // Get plugin option.
	4504	+ $option = 'advanced_branding';
	4505	+ $auth_settings_option = $this->get_plugin_option( $option );
	4506	+
	4507	+ // Print option elements.
	4508	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_default" name="auth_settings[<?php echo $option; ?>]" value="default"<?php checked( 'default' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_default"><?php _e( 'Default WordPress login screen', 'authorizer' ); ?></label><br />
	4509	+ <?php
	4510	+
	4511	+ /**
	4512	+ * Developers can use the `authorizer_add_branding_option` filter
	4513	+ * to add a radio button for "Custom WordPress login branding"
	4514	+ * under the "Advanced" tab in Authorizer options. Example:
	4515	+ *
	4516	+ * function my_authorizer_add_branding_option( $branding_options ) {
	4517	+ * $new_branding_option = array(
	4518	+ * 'value' => 'your_brand'
	4519	+ * 'description' => 'Custom Your Brand Login Screen',
	4520	+ * 'css_url' => 'http://url/to/your_brand.css',
	4521	+ * 'js_url' => 'http://url/to/your_brand.js',
	4522	+ * );
	4523	+ * array_push( $branding_options, $new_branding_option );
	4524	+ * return $branding_options;
	4525	+ * }
	4526	+ * add_filter( 'authorizer_add_branding_option', 'my_authorizer_add_branding_option' );
	4527	+ */
	4528	+ $branding_options = array();
	4529	+ $branding_options = apply_filters( 'authorizer_add_branding_option', $branding_options );
	4530	+ foreach ( $branding_options as $branding_option ) {
	4531	+ // Make sure the custom brands have the required values
	4532	+ if ( ! ( is_array( $branding_option ) && array_key_exists( 'value', $branding_option ) && array_key_exists( 'description', $branding_option ) ) ) {
	4533	+ continue;
	4534	+ }
	4535	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_<?php echo sanitize_title( $branding_option['value'] ); ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $branding_option['value']; ?>"<?php checked( $branding_option['value'] == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_<?php echo sanitize_title( $branding_option['value'] ); ?>"><?php echo $branding_option['description']; ?></label><br /><?php
	4536	+ }
	4537	+
	4538	+ // Print message about adding custom brands if there are none.
	4539	+ if ( count( $branding_options ) === 0 ) {
	4540	+ ?><p><em><?php _e( '<strong>Note for theme developers</strong>: Add more options here by using the `authorizer_add_branding_option` filter in your theme. You can see an example theme that implements this filter in the plugin directory under sample-theme-add-branding.', 'authorizer' ); ?></em></p><?php
	4541	+ }
	4542	+ }
	4543	+
	4544	+
	4545	+ function print_radio_auth_advanced_admin_menu( $args = '' ) {
	4546	+ // Get plugin option.
	4547	+ $option = 'advanced_admin_menu';
	4548	+ $auth_settings_option = $this->get_plugin_option( $option );
	4549	+
	4550	+ // Print option elements.
	4551	+ ?><input type="radio" id="radio_auth_settings_<?php echo $option; ?>_settings" name="auth_settings[<?php echo $option; ?>]" value="settings"<?php checked( 'settings' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_settings"><?php _e( 'Show in Settings menu', 'authorizer' ); ?></label><br />
	4552	+ <input type="radio" id="radio_auth_settings_<?php echo $option; ?>_top" name="auth_settings[<?php echo $option; ?>]" value="top"<?php checked( 'top' == $auth_settings_option ); ?> /><label for="radio_auth_settings_<?php echo $option; ?>_top"><?php _e( 'Show in sidebar (top level)', 'authorizer' ); ?></label><br /><?php
	4553	+
	4554	+ }
	4555	+
	4556	+
	4557	+ function print_select_auth_advanced_usermeta( $args = '' ) {
	4558	+ // Get plugin option.
	4559	+ $option = 'advanced_usermeta';
	4560	+ $auth_settings_option = $this->get_plugin_option( $option );
	4561	+
	4562	+ // Print option elements.
	4563	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	4564	+ <option value=""><?php _e( '-- None --', 'authorizer' ); ?></option>
	4565	+ <?php if ( class_exists( 'acf' ) ) :
	4566	+ // Get ACF 5 fields. Note: it would be much easier to use `get_field_objects()`
	4567	+ // or `get_field_objects( 'user_' . get_current_user_id() )`, but neither will
	4568	+ // list fields that have never been given values for users (i.e., new ACF
	4569	+ // fields). Therefore we fall back on finding any ACF fields applied to users
	4570	+ // (user_role or user_form location rules in the field group definition).
	4571	+ $fields = array();
	4572	+ $acf_field_group_ids = array();
	4573	+ $acf_field_groups = new WP_Query( array(
	4574	+ 'post_type' => 'acf-field-group',
	4575	+ ));
	4576	+ while ( $acf_field_groups->have_posts() ) : $acf_field_groups->the_post();
	4577	+ if ( strpos( get_the_content(), 's:5:"param";s:9:"user_role"' ) !== false || strpos( get_the_content(), 's:5:"param";s:9:"user_form"' ) !== false ) :
	4578	+ array_push( $acf_field_group_ids, get_the_ID() );
	4579	+ endif;
	4580	+ endwhile; wp_reset_postdata();
	4581	+ foreach ( $acf_field_group_ids as $acf_field_group_id ) :
	4582	+ $acf_fields = new WP_Query( array(
	4583	+ 'post_type' => 'acf-field',
	4584	+ 'post_parent' => $acf_field_group_id,
	4585	+ ));
	4586	+ while ( $acf_fields->have_posts() ) : $acf_fields->the_post();
	4587	+ global $post;
	4588	+ $fields[$post->post_name] = get_field_object( $post->post_name );
	4589	+ endwhile; wp_reset_postdata();
	4590	+ endforeach;
	4591	+ // Get ACF 4 fields.
	4592	+ $acf4_field_groups = new WP_Query( array(
	4593	+ 'post_type' => 'acf',
	4594	+ ));
	4595	+ while ( $acf4_field_groups->have_posts() ) : $acf4_field_groups->the_post();
	4596	+ $field_group_rules = get_post_meta( get_the_ID(), 'rule', true );
	4597	+ if ( is_array( $field_group_rules ) && array_key_exists( 'param', $field_group_rules ) && $field_group_rules['param'] === 'ef_user' ) :
	4598	+ $acf4_fields = get_post_custom( get_the_ID() );
	4599	+ foreach ( $acf4_fields as $meta_key => $meta_value ) :
	4600	+ if ( strpos( $meta_key, 'field_' ) === 0 ) :
	4601	+ $meta_value = unserialize( $meta_value[0] );
	4602	+ $fields[$meta_key] = $meta_value;
	4603	+ endif;
	4604	+ endforeach;
	4605	+ endif;
	4606	+ endwhile; wp_reset_postdata(); ?>
	4607	+ <optgroup label="ACF User Fields:">
	4608	+ <?php foreach ( (array)$fields as $field => $field_object ) : ?>
	4609	+ <option value="acf___<?php echo $field_object['key']; ?>"<?php if ( $auth_settings_option === "acf___{$field_object['key']}" ) echo ' selected="selected"'; ?>><?php echo $field_object['label']; ?></option>
	4610	+ <?php endforeach; ?>
	4611	+ </optgroup>
	4612	+ <?php endif; ?>
	4613	+ <optgroup label="<?php _e( 'All Usermeta:', 'authorizer' ); ?>">
	4614	+ <?php foreach ( $this->get_all_usermeta_keys() as $meta_key ) : if ( substr( $meta_key, 0, 3 ) === 'wp_' ) continue; ?>
	4615	+ <option value="<?php echo $meta_key; ?>"<?php if ( $auth_settings_option === $meta_key ) echo ' selected="selected"'; ?>><?php echo $meta_key; ?></option>
	4616	+ <?php endforeach; ?>
	4617	+ </optgroup>
	4618	+ </select><?php
	4619	+ }
	4620	+
	4621	+
	4622	+ function print_text_auth_advanced_users_per_page( $args = '' ) {
	4623	+ // Get plugin option.
	4624	+ $option = 'advanced_users_per_page';
	4625	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4626	+
	4627	+ // Print option elements.
	4628	+ ?><input type="text" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="<?php echo $auth_settings_option; ?>" placeholder="" size="4" /><?php
	4629	+ }
	4630	+
	4631	+
	4632	+ function print_select_auth_advanced_users_sort_by( $args = '' ) {
	4633	+ // Get plugin option.
	4634	+ $option = 'advanced_users_sort_by';
	4635	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4636	+
	4637	+ // Print option elements.
	4638	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	4639	+ <option value="created" <?php selected( $auth_settings_option, 'created' ); ?>><?php _e( 'Date approved', 'authorizer' ); ?></option>
	4640	+ <option value="email" <?php selected( $auth_settings_option, 'email' ); ?>><?php _e( 'Email', 'authorizer' ); ?></option>
	4641	+ <option value="role" <?php selected( $auth_settings_option, 'role' ); ?>><?php _e( 'Role', 'authorizer' ); ?></option>
	4642	+ <option value="date_added" <?php selected( $auth_settings_option, 'date_added' ); ?>><?php _e( 'Date registered', 'authorizer' ); ?></option>
	4643	+ </select><?php
	4644	+ }
	4645	+
	4646	+
	4647	+ function print_select_auth_advanced_users_sort_order( $args = '' ) {
	4648	+ // Get plugin option.
	4649	+ $option = 'advanced_users_sort_order';
	4650	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4651	+
	4652	+ // Print option elements.
	4653	+ ?><select id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]">
	4654	+ <option value="asc" <?php selected( $auth_settings_option, 'asc' ); ?>><?php _e( 'Ascending', 'authorizer' ); ?></option>
	4655	+ <option value="desc" <?php selected( $auth_settings_option, 'desc' ); ?>><?php _e( 'Descending', 'authorizer' ); ?></option>
	4656	+ </select><?php
	4657	+ }
	4658	+
	4659	+
	4660	+ function print_checkbox_auth_advanced_widget_enabled( $args = '' ) {
	4661	+ // Get plugin option.
	4662	+ $option = 'advanced_widget_enabled';
	4663	+ $auth_settings_option = $this->get_plugin_option( $option, $this->get_admin_mode( $args ), 'allow override', 'print overlay' );
	4664	+
	4665	+ // Print option elements.
	4666	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( 'Show Dashboard Widget', 'authorizer' ); ?></label>
	4667	+ <p><small><?php _e( 'Note: Only users with the create_users capability will be able to see the dashboard widget.', 'authorizer' ) ?></small></p><?php
	4668	+ }
	4669	+
	4670	+
	4671	+ function print_checkbox_auth_advanced_override_multisite( $args = '' ) {
	4672	+ // Get plugin option.
	4673	+ $option = 'advanced_override_multisite';
	4674	+ $auth_settings_option = $this->get_plugin_option( $option );
	4675	+
	4676	+ // Print option elements.
	4677	+ ?><input type="checkbox" id="auth_settings_<?php echo $option; ?>" name="auth_settings[<?php echo $option; ?>]" value="1"<?php checked( 1 == $auth_settings_option ); ?> /><label for="auth_settings_<?php echo $option; ?>"><?php _e( "Configure this site independently (don't inherit any multisite settings)", 'authorizer' ); ?></label><?php
	4678	+ }
	4679	+
	4680	+
	4681	+
	4682	+ /**
	4683	+ * Add help documentation to the options page.
	4684	+ * Run on action hook chain: load-settings_page_authorizer > admin_head
	4685	+ */
	4686	+ public function admin_head() {
	4687	+ $screen = get_current_screen();
	4688	+
	4689	+ // Add help tab for Access Lists Settings
	4690	+ $help_auth_settings_access_lists_content = '
	4691	+ <p>' . __( "<strong>Pending Users</strong>: Pending users are users who have successfully logged in to the site, but who haven't yet been approved (or blocked) by you.", 'authorizer' ) .'</p>
	4692	+ <p>' . __( "<strong>Approved Users</strong>: Approved users have access to the site once they successfully log in.", 'authorizer' ) . '</p>
	4693	+ <p>' . __( "<strong>Blocked Users</strong>: Blocked users will receive an error message when they try to visit the site after authenticating.", 'authorizer' ) . '</p>
	4694	+ <p>' . __( "Users in the <strong>Pending</strong> list appear automatically after a new user tries to log in from the configured external authentication service. You can add users to the <strong>Approved</strong> or <strong>Blocked</strong> lists by typing them in manually, or by clicking the <em>Approve</em> or <em>Block</em> buttons next to a user in the <strong>Pending</strong> list.", 'authorizer' ) . '</p>
	4695	+ ';
	4696	+ $screen->add_help_tab(
	4697	+ array(
	4698	+ 'id' => 'help_auth_settings_access_lists_content',
	4699	+ 'title' => __( 'Access Lists', 'authorizer' ),
	4700	+ 'content' => $help_auth_settings_access_lists_content,
	4701	+ )
	4702	+ );
	4703	+
	4704	+ // Add help tab for Login Access Settings
	4705	+ $help_auth_settings_access_login_content = '
	4706	+ <p>' . __( "<strong>Who can log in to the site?</strong>: Choose the level of access restriction you'd like to use on your site here. You can leave the site open to anyone with a WordPress account or an account on an external service like Google, CAS, or LDAP, or restrict it to WordPress users and only the external users that you specify via the <em>Access Lists</em>.", 'authorizer' ) . '</p>
	4707	+ <p>' . __( "<strong>Which role should receive email notifications about pending users?</strong>: If you've restricted access to <strong>approved users</strong>, you can determine which WordPress users will receive a notification email everytime a new external user successfully logs in and is added to the pending list. All users of the specified role will receive an email, and the external user will get a message (specified below) telling them their access is pending approval.", 'authorizer' ) . '</p>
	4708	+ <p>' . __( '<strong>What message should pending users see after attempting to log in?</strong>: Here you can specify the exact message a new external user will see once they try to log in to the site for the first time.', 'authorizer' ) . '</p>
	4709	+ ';
	4710	+ $screen->add_help_tab(
	4711	+ array(
	4712	+ 'id' => 'help_auth_settings_access_login_content',
	4713	+ 'title' => __( 'Login Access', 'authorizer' ),
	4714	+ 'content' => $help_auth_settings_access_login_content,
	4715	+ )
	4716	+ );
	4717	+
	4718	+ // Add help tab for Public Access Settings
	4719	+ $help_auth_settings_access_public_content = '
	4720	+ <p>' . __( "<strong>Who can view the site?</strong>: You can restrict the site's visibility by only allowing logged in users to see pages. If you do so, you can customize the specifics about the site's privacy using the settings below.", 'authorizer' ) . '</p>
	4721	+ <p>' . __( "<strong>What pages (if any) should be available to everyone?</strong>: If you'd like to declare certain pages on your site as always public (such as the course syllabus, introduction, or calendar), specify those pages here. These pages will always be available no matter what access restrictions exist.", 'authorizer' ) . '</p>
	4722	+ <p>' . __( "<strong>What happens to people without access when they visit a <em>private</em> page?</strong>: Choose the response anonymous users receive when visiting the site. You can choose between immediately taking them to the <strong>login screen</strong>, or simply showing them a <strong>message</strong>.", 'authorizer' ) . '</p>
	4723	+ <p>' . __( "<strong>What happens to people without access when they visit a <em>public</em> page?</strong>: Choose the response anonymous users receive when visiting a page on the site marked as public. You can choose between showing them the page without any message, or showing them a the page with a message above the content.", 'authorizer' ) . '</p>
	4724	+ <p>' . __( "<strong>What message should people without access see?</strong>: If you chose to show new users a <strong>message</strong> above, type that message here.", 'authorizer' ) . '</p>
	4725	+ ';
	4726	+ $screen->add_help_tab(
	4727	+ array(
	4728	+ 'id' => 'help_auth_settings_access_public_content',
	4729	+ 'title' => __( 'Public Access', 'authorizer' ),
	4730	+ 'content' => $help_auth_settings_access_public_content,
	4731	+ )
	4732	+ );
	4733	+
	4734	+ // Add help tab for External Service (CAS, LDAP) Settings
	4735	+ $help_auth_settings_external_content = '
	4736	+ <p>' . __( "<strong>Type of external service to authenticate against</strong>: Choose which authentication service type you will be using. You'll have to fill out different fields below depending on which service you choose.", 'authorizer' ) . '</p>
	4737	+ <p>' . __( "<strong>Enable Google Logins</strong>: Choose if you want to allow users to log in with their Google Account credentials. You will need to enter your API Client ID and Secret to enable Google Logins.", 'authorizer' ) . '</p>
	4738	+ <p>' . __( "<strong>Enable CAS Logins</strong>: Choose if you want to allow users to log in with via CAS (Central Authentication Service). You will need to enter details about your CAS server (host, port, and path) to enable CAS Logins.", 'authorizer' ) . '</p>
	4739	+ <p>' . __( "<strong>Enable LDAP Logins</strong>: Choose if you want to allow users to log in with their LDAP (Lightweight Directory Access Protocol) credentials. You will need to enter details about your LDAP server (host, port, search base, uid attribute, directory user, directory user password, and whether to use TLS) to enable Google Logins.", 'authorizer' ) . '</p>
	4740	+ <p>' . __( "<strong>Default role for new CAS users</strong>: Specify which role new external users will get by default. Be sure to choose a role with limited permissions!", 'authorizer' ) . '</p>
	4741	+ <p><strong><em>' . __( "If you enable Google logins:", 'authorizer' ) . '</em></strong></p>
	4742	+ <ul>
	4743	+ <li>' . __( "<strong>Google Client ID</strong>: You can generate this ID by creating a new Project in the <a href='https://cloud.google.com/console'>Google Developers Console</a>. A Client ID typically looks something like this: 1234567890123-kdjr85yt6vjr6d8g7dhr8g7d6durjf7g.apps.googleusercontent.com", 'authorizer' ) . '</li>
	4744	+ <li>' . __( "<strong>Google Client Secret</strong>: You can generate this secret by creating a new Project in the <a href='https://cloud.google.com/console'>Google Developers Console</a>. A Client Secret typically looks something like this: sDNgX5_pr_5bly-frKmvp8jT", 'authorizer' ) . '</li>
	4745	+ </ul>
	4746	+ <p><strong><em>' . __( "If you enable CAS logins:", 'authorizer' ) . '</em></strong></p>
	4747	+ <ul>
	4748	+ <li>' . __( "<strong>CAS server hostname</strong>: Enter the hostname of the CAS server you authenticate against (e.g., authn.example.edu).", 'authorizer' ) . '</li>
	4749	+ <li>' . __( "<strong>CAS server port</strong>: Enter the port on the CAS server to connect to (e.g., 443).", 'authorizer' ) . '</li>
	4750	+ <li>' . __( "<strong>CAS server path/context</strong>: Enter the path to the login endpoint on the CAS server (e.g., /cas).", 'authorizer' ) . '</li>
	4751	+ <li>' . __( "<strong>CAS attribute containing first name</strong>: Enter the CAS attribute that has the user's first name. When this user first logs in, their WordPress account will have their first name retrieved from CAS and added to their WordPress profile.", 'authorizer' ) . '</li>
	4752	+ <li>' . __( "<strong>CAS attribute containing last name</strong>: Enter the CAS attribute that has the user's last name. When this user first logs in, their WordPress account will have their last name retrieved from CAS and added to their WordPress profile.", 'authorizer' ) . '</li>
	4753	+ <li>' . __( "<strong>CAS attribute update</strong>: Select whether the first and last names retrieved from CAS should overwrite any value the user has entered in the first and last name fields in their WordPress profile. If this is not set, this only happens the first time they log in.", 'authorizer' ) . '</li>
	4754	+ </ul>
	4755	+ <p><strong><em>' . __( "If you enable LDAP logins:", 'authorizer' ) . '</em></strong></p>
	4756	+ <ul>
	4757	+ <li>' . __( "<strong>LDAP Host</strong>: Enter the URL of the LDAP server you authenticate against.", 'authorizer' ) . '</li>
	4758	+ <li>' . __( "<strong>LDAP Port</strong>: Enter the port number that the LDAP server listens on.", 'authorizer' ) . '</li>
	4759	+ <li>' . __( "<strong>LDAP Search Base</strong>: Enter the LDAP string that represents the search base, e.g., ou=people,dc=example,dc=edu", 'authorizer' ) . '</li>
	4760	+ <li>' . __( "<strong>LDAP attribute containing username</strong>: Enter the name of the LDAP attribute that contains the usernames used by those attempting to log in. The plugin will search on this attribute to find the cn to bind against for login attempts.", 'authorizer' ) . '</li>
	4761	+ <li>' . __( "<strong>LDAP Directory User</strong>: Enter the name of the LDAP user that has permissions to browse the directory.", 'authorizer' ) . '</li>
	4762	+ <li>' . __( "<strong>LDAP Directory User Password</strong>: Enter the password for the LDAP user that has permission to browse the directory.", 'authorizer' ) . '</li>
	4763	+ <li>' . __( "<strong>Use TLS</strong>: Select whether all communication with the LDAP server should be performed over a TLS-secured connection.", 'authorizer' ) . '</li>
	4764	+ <li>' . __( "<strong>Custom lost password URL</strong>: The WordPress login page contains a link to recover a lost password. If you have external users who shouldn't change the password on their WordPress account, point them to the appropriate location to change the password on their external authentication service here.", 'authorizer' ) . '</li>
	4765	+ <li>' . __( "<strong>LDAP attribute containing first name</strong>: Enter the LDAP attribute that has the user's first name. When this user first logs in, their WordPress account will have their first name retrieved from LDAP and added to their WordPress profile.", 'authorizer' ) . '</li>
	4766	+ <li>' . __( "<strong>LDAP attribute containing last name</strong>: Enter the LDAP attribute that has the user's last name. When this user first logs in, their WordPress account will have their last name retrieved from LDAP and added to their WordPress profile.", 'authorizer' ) . '</li>
	4767	+ <li>' . __( "<strong>LDAP attribute update</strong>: Select whether the first and last names retrieved from LDAP should overwrite any value the user has entered in the first and last name fields in their WordPress profile. If this is not set, this only happens the first time they log in.", 'authorizer' ) . '</li>
	4768	+ </ul>
	4769	+ ';
	4770	+ $screen->add_help_tab(
	4771	+ array(
	4772	+ 'id' => 'help_auth_settings_external_content',
	4773	+ 'title' => __( 'External Service', 'authorizer' ),
	4774	+ 'content' => $help_auth_settings_external_content,
	4775	+ )
	4776	+ );
	4777	+
	4778	+ // Add help tab for Advanced Settings
	4779	+ $help_auth_settings_advanced_content = '
	4780	+ <p>' . __( "<strong>Limit invalid login attempts</strong>: Choose how soon (and for how long) to restrict access to individuals (or bots) making repeated invalid login attempts. You may set a shorter delay first, and then a longer delay after repeated invalid attempts; you may also set how much time must pass before the delays will be reset to normal.", 'authorizer' ) . '</p>
	4781	+ <p>' . __( "<strong>Hide WordPress Logins</strong>: If you want to hide the WordPress username and password fields and the Log In button on the wp-login screen, enable this option. Note: You can always access the WordPress logins by adding external=wordpress to the wp-login URL, like so:", 'authorizer' ) . ' <a href="' . wp_login_url() . '?external=wordpress" target="_blank">' . wp_login_url() . '?external=wordpress</a>.</p>
	4782	+ <p>' . __( "<strong>Custom WordPress login branding</strong>: If you'd like to use custom branding on the WordPress login page, select that here. You will need to use the `authorizer_add_branding_option` filter in your theme to add it. You can see an example theme that implements this filter in the plugin directory under sample-theme-add-branding.", 'authorizer' ) . '</p>
	4783	+ ';
	4784	+ $screen->add_help_tab(
	4785	+ array(
	4786	+ 'id' => 'help_auth_settings_advanced_content',
	4787	+ 'title' => __( 'Advanced', 'authorizer' ),
	4788	+ 'content' => $help_auth_settings_advanced_content,
	4789	+ )
	4790	+ );
	4791	+ }
	4792	+
	4793	+
	4794	+
	4795	+ /**
	4796	+ * ***************************
	4797	+ * Multisite: Network Admin Options page
	4798	+ * ***************************
	4799	+ */
	4800	+
	4801	+
	4802	+ /**
	4803	+ * Network Admin menu item
	4804	+ * Hook: network_admin_menu
	4805	+ *
	4806	+ * @param none
	4807	+ * @return void
	4808	+ */
	4809	+ public function network_admin_menu() {
	4810	+ // @see http://codex.wordpress.org/Function_Reference/add_menu_page
	4811	+ add_menu_page(
	4812	+ 'Authorizer', // Page title
	4813	+ 'Authorizer', // Menu title
	4814	+ 'manage_network_options', // Capability
	4815	+ 'authorizer', // Menu slug
	4816	+ array( $this, 'create_network_admin_page' ),
	4817	+ 'dashicons-groups', // Icon URL
	4818	+ 89 // Position
	4819	+ );
	4820	+ }
	4821	+
	4822	+
	4823	+ /**
	4824	+ * Output the HTML for the options page
	4825	+ */
	4826	+ public function create_network_admin_page() {
	4827	+ if ( ! current_user_can( 'manage_network_options' ) ) {
	4828	+ wp_die( __( 'You do not have sufficient permissions to access this page.', 'authorizer' ) );
	4829	+ }
	4830	+ $auth_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() ); ?>
	4831	+ <div class="wrap">
	4832	+ <form method="post" action="" autocomplete="off">
	4833	+ <h2><?php _e( 'Authorizer Settings', 'authorizer' ); ?></h2>
	4834	+ <p><?php _e( 'Most <strong>Authorizer</strong> settings are set in the individual sites, but you can specify a few options here that apply to <strong>all sites in the network</strong>. These settings will override settings in the individual sites.', 'authorizer' ); ?></p>
	4835	+
	4836	+ <input type="checkbox" id="auth_settings_multisite_override" name="auth_settings[multisite_override]" value="1"<?php checked( 1 == $auth_settings['multisite_override'] ); ?> /><label for="auth_settings_multisite_override"><?php _e( 'Override individual site settings with the settings below', 'authorizer' ); ?></label>
	4837	+
	4838	+ <div id="auth_multisite_settings_disabled_overlay" style="display: none;"></div>
	4839	+
	4840	+ <div class="wrap" id="auth_multisite_settings">
	4841	+ <?php $this->print_section_info_tabs( array( MULTISITE_ADMIN => true ) ); ?>
	4842	+
	4843	+ <?php wp_nonce_field( 'save_auth_settings', 'nonce_save_auth_settings' ); ?>
	4844	+
	4845	+ <?php // Custom access lists (for network, we only really want approved list, not pending or blocked) ?>
	4846	+ <div id="section_info_access_lists" class="section_info">
	4847	+ <p><?php _e( 'Manage who has access to all sites in the network.', 'authorizer' ); ?></p>
	4848	+ </div>
	4849	+ <table class="form-table"><tbody>
	4850	+ <tr>
	4851	+ <th scope="row"><?php _e( 'Who can log in to sites in this network?', 'authorizer' ); ?></th>
	4852	+ <td><?php $this->print_radio_auth_access_who_can_login( array( MULTISITE_ADMIN => true ) ); ?></td>
	4853	+ </tr>
	4854	+ <tr>
	4855	+ <th scope="row"><?php _e( 'Who can view sites in this network?', 'authorizer' ); ?></th>
	4856	+ <td><?php $this->print_radio_auth_access_who_can_view( array( MULTISITE_ADMIN => true ) ); ?></td>
	4857	+ </tr>
	4858	+ <tr>
	4859	+ <th scope="row"><?php _e( 'Approved Users (All Sites)', 'authorizer' ); ?><br /><small><em><?php _e( 'Note: these users will <strong>not</strong> receive welcome emails when approved. Only users approved from individual sites can receive these messages.', 'authorizer' ); ?></em></small></th>
	4860	+ <td><?php $this->print_combo_auth_access_users_approved( array( MULTISITE_ADMIN => true ) ); ?></td>
	4861	+ </tr>
	4862	+ </tbody></table>
	4863	+
	4864	+ <?php $this->print_section_info_external(); ?>
	4865	+ <table class="form-table"><tbody>
	4866	+ <tr>
	4867	+ <th scope="row"><?php _e( 'Default role for new users', 'authorizer' ); ?></th>
	4868	+ <td><?php $this->print_select_auth_access_default_role( array( MULTISITE_ADMIN => true ) ); ?></td>
	4869	+ </tr>
	4870	+ <tr>
	4871	+ <th scope="row"><?php _e( 'Google Logins', 'authorizer' ); ?></th>
	4872	+ <td><?php $this->print_checkbox_auth_external_google( array( MULTISITE_ADMIN => true ) ); ?></td>
	4873	+ </tr>
	4874	+ <tr>
	4875	+ <th scope="row"><?php _e( 'Google Client ID', 'authorizer' ); ?></th>
	4876	+ <td><?php $this->print_text_google_clientid( array( MULTISITE_ADMIN => true ) ); ?></td>
	4877	+ </tr>
	4878	+ <tr>
	4879	+ <th scope="row"><?php _e( 'Google Client Secret', 'authorizer' ); ?></th>
	4880	+ <td><?php $this->print_text_google_clientsecret( array( MULTISITE_ADMIN => true ) ); ?></td>
	4881	+ </tr>
	4882	+ <tr>
	4883	+ <th scope="row"><?php _e( 'Google Hosted Domain', 'authorizer' ); ?></th>
	4884	+ <td><?php $this->print_text_google_hosteddomain( array( MULTISITE_ADMIN => true ) ); ?></td>
	4885	+ </tr>
	4886	+ <tr>
	4887	+ <th scope="row"><?php _e( 'CAS Logins', 'authorizer' ); ?></th>
	4888	+ <td><?php $this->print_checkbox_auth_external_cas( array( MULTISITE_ADMIN => true ) ); ?></td>
	4889	+ </tr>
	4890	+ <tr>
	4891	+ <th scope="row"><?php _e( 'CAS Custom Label', 'authorizer' ); ?></th>
	4892	+ <td><?php $this->print_text_cas_custom_label( array( MULTISITE_ADMIN => true ) ); ?></td>
	4893	+ </tr>
	4894	+ <tr>
	4895	+ <th scope="row"><?php _e( 'CAS server hostname', 'authorizer' ); ?></th>
	4896	+ <td><?php $this->print_text_cas_host( array( MULTISITE_ADMIN => true ) ); ?></td>
	4897	+ </tr>
	4898	+ <tr>
	4899	+ <th scope="row"><?php _e( 'CAS server port', 'authorizer' ); ?></th>
	4900	+ <td><?php $this->print_text_cas_port( array( MULTISITE_ADMIN => true ) ); ?></td>
	4901	+ </tr>
	4902	+ <tr>
	4903	+ <th scope="row"><?php _e( 'CAS server path/context', 'authorizer' ); ?></th>
	4904	+ <td><?php $this->print_text_cas_path( array( MULTISITE_ADMIN => true ) ); ?></td>
	4905	+ </tr>
	4906	+ <tr>
	4907	+ <th scope="row"><?php _e( 'CAS server version', 'authorizer' ); ?></th>
	4908	+ <td><?php $this->print_select_cas_version( array( MULTISITE_ADMIN => true ) ); ?></td>
	4909	+ </tr>
	4910	+ <tr>
	4911	+ <th scope="row"><?php _e( 'CAS attribute containing email', 'authorizer' ); ?></th>
	4912	+ <td><?php $this->print_text_cas_attr_email( array( MULTISITE_ADMIN => true ) ); ?></td>
	4913	+ </tr>
	4914	+ <tr>
	4915	+ <th scope="row"><?php _e( 'CAS attribute containing first name', 'authorizer' ); ?></th>
	4916	+ <td><?php $this->print_text_cas_attr_first_name( array( MULTISITE_ADMIN => true ) ); ?></td>
	4917	+ </tr>
	4918	+ <tr>
	4919	+ <th scope="row"><?php _e( 'CAS attribute containing last name', 'authorizer' ); ?></th>
	4920	+ <td><?php $this->print_text_cas_attr_last_name( array( MULTISITE_ADMIN => true ) ); ?></td>
	4921	+ </tr>
	4922	+ <tr>
	4923	+ <th scope="row"><?php _e( 'CAS attribute update', 'authorizer' ); ?></th>
	4924	+ <td><?php $this->print_checkbox_cas_attr_update_on_login( array( MULTISITE_ADMIN => true ) ); ?></td>
	4925	+ </tr>
	4926	+ <tr>
	4927	+ <th scope="row"><?php _e( 'CAS automatic login', 'authorizer' ); ?></th>
	4928	+ <td><?php $this->print_checkbox_cas_auto_login( array( MULTISITE_ADMIN => true ) ); ?></td>
	4929	+ </tr>
	4930	+ <tr>
	4931	+ <th scope="row"><?php _e( 'LDAP Logins', 'authorizer' ); ?></th>
	4932	+ <td><?php $this->print_checkbox_auth_external_ldap( array( MULTISITE_ADMIN => true ) ); ?></td>
	4933	+ </tr>
	4934	+ <tr>
	4935	+ <th scope="row"><?php _e( 'LDAP Host', 'authorizer' ); ?></th>
	4936	+ <td><?php $this->print_text_ldap_host( array( MULTISITE_ADMIN => true ) ); ?></td>
	4937	+ </tr>
	4938	+ <tr>
	4939	+ <th scope="row"><?php _e( 'LDAP Port', 'authorizer' ); ?></th>
	4940	+ <td><?php $this->print_text_ldap_port( array( MULTISITE_ADMIN => true ) ); ?></td>
	4941	+ </tr>
	4942	+ <tr>
	4943	+ <th scope="row"><?php _e( 'Use TLS', 'authorizer' ); ?></th>
	4944	+ <td><?php $this->print_checkbox_ldap_tls( array( MULTISITE_ADMIN => true ) ); ?></td>
	4945	+ </tr>
	4946	+ <tr>
	4947	+ <th scope="row"><?php _e( 'LDAP Search Base', 'authorizer' ); ?></th>
	4948	+ <td><?php $this->print_text_ldap_search_base( array( MULTISITE_ADMIN => true ) ); ?></td>
	4949	+ </tr>
	4950	+ <tr>
	4951	+ <th scope="row"><?php _e( 'LDAP attribute containing username', 'authorizer' ); ?></th>
	4952	+ <td><?php $this->print_text_ldap_uid( array( MULTISITE_ADMIN => true ) ); ?></td>
	4953	+ </tr>
	4954	+ <tr>
	4955	+ <th scope="row"><?php _e( 'LDAP attribute containing email', 'authorizer' ); ?></th>
	4956	+ <td><?php $this->print_text_ldap_attr_email( array( MULTISITE_ADMIN => true ) ); ?></td>
	4957	+ </tr>
	4958	+ <tr>
	4959	+ <th scope="row"><?php _e( 'LDAP Directory User', 'authorizer' ); ?></th>
	4960	+ <td><?php $this->print_text_ldap_user( array( MULTISITE_ADMIN => true ) ); ?></td>
	4961	+ </tr>
	4962	+ <tr>
	4963	+ <th scope="row"><?php _e( 'LDAP Directory User Password', 'authorizer' ); ?></th>
	4964	+ <td><?php $this->print_password_ldap_password( array( MULTISITE_ADMIN => true ) ); ?></td>
	4965	+ </tr>
	4966	+ <tr>
	4967	+ <th scope="row"><?php _e( 'Custom lost password URL', 'authorizer' ); ?></th>
	4968	+ <td><?php $this->print_text_ldap_lostpassword_url( array( MULTISITE_ADMIN => true ) ); ?></td>
	4969	+ </tr>
	4970	+ <tr>
	4971	+ <th scope="row"><?php _e( 'LDAP attribute containing first name', 'authorizer' ); ?></th>
	4972	+ <td><?php $this->print_text_ldap_attr_first_name( array( MULTISITE_ADMIN => true ) ); ?></td>
	4973	+ </tr>
	4974	+ <tr>
	4975	+ <th scope="row"><?php _e( 'LDAP attribute containing last name', 'authorizer' ); ?></th>
	4976	+ <td><?php $this->print_text_ldap_attr_last_name( array( MULTISITE_ADMIN => true ) ); ?></td>
	4977	+ </tr>
	4978	+ <tr>
	4979	+ <th scope="row"><?php _e( 'LDAP attribute update', 'authorizer' ); ?></th>
	4980	+ <td><?php $this->print_checkbox_ldap_attr_update_on_login( array( MULTISITE_ADMIN => true ) ); ?></td>
	4981	+ </tr>
	4982	+ </tbody></table>
	4983	+
	4984	+ <?php $this->print_section_info_advanced(); ?>
	4985	+ <table class="form-table"><tbody>
	4986	+ <tr>
	4987	+ <th scope="row"><?php _e( 'Limit invalid login attempts', 'authorizer' ); ?></th>
	4988	+ <td><?php $this->print_text_auth_advanced_lockouts( array( MULTISITE_ADMIN => true ) ); ?></td>
	4989	+ </tr>
	4990	+ <tr>
	4991	+ <th scope="row"><?php _e( 'Hide WordPress Logins', 'authorizer' ); ?></th>
	4992	+ <td><?php $this->print_checkbox_auth_advanced_hide_wp_login( array( MULTISITE_ADMIN => true ) ); ?></td>
	4993	+ </tr>
	4994	+ <tr>
	4995	+ <th scope="row"><?php _e( 'Number of users per page', 'authorizer' ); ?></th>
	4996	+ <td><?php $this->print_text_auth_advanced_users_per_page( array( MULTISITE_ADMIN => true ) ); ?></td>
	4997	+ </tr>
	4998	+ <tr>
	4999	+ <th scope="row"><?php _e( 'Approved users sort method', 'authorizer' ); ?></th>
	5000	+ <td><?php $this->print_select_auth_advanced_users_sort_by( array( MULTISITE_ADMIN => true ) ); ?></td>
	5001	+ </tr>
	5002	+ <tr>
	5003	+ <th scope="row"><?php _e( 'Approved users sort order', 'authorizer' ); ?></th>
	5004	+ <td><?php $this->print_select_auth_advanced_users_sort_order( array( MULTISITE_ADMIN => true ) ); ?></td>
	5005	+ </tr>
	5006	+ <tr>
	5007	+ <th scope="row"><?php _e( 'Show Dashboard Widget', 'authorizer' ); ?></th>
	5008	+ <td><?php $this->print_checkbox_auth_advanced_widget_enabled( array( MULTISITE_ADMIN => true ) ); ?></td>
	5009	+ </tr>
	5010	+ </tbody></table>
	5011	+
	5012	+ <br class="clear" />
	5013	+ </div>
	5014	+ <input type="button" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'authorizer' ); ?>" onclick="save_auth_multisite_settings(this);" />
	5015	+ </form>
	5016	+ </div>
	5017	+ <?php
	5018	+ }
	5019	+
	5020	+
	5021	+ /**
	5022	+ * Save multisite settings (ajax call).
	5023	+ */
	5024	+ function ajax_save_auth_multisite_settings() {
	5025	+ // Fail silently if current user doesn't have permissions.
	5026	+ if ( ! current_user_can( 'manage_network_options' ) ) {
	5027	+ die( '' );
	5028	+ }
	5029	+
	5030	+ // Make sure nonce exists.
	5031	+ if ( empty( $_POST['nonce_save_auth_settings'] ) ) {
	5032	+ die( '' );
	5033	+ }
	5034	+
	5035	+ // Nonce check.
	5036	+ if ( ! wp_verify_nonce( $_POST['nonce_save_auth_settings'], 'save_auth_settings' ) ) {
	5037	+ die( '' );
	5038	+ }
	5039	+
	5040	+ // Assert multisite.
	5041	+ if ( ! is_multisite() ) {
	5042	+ die( '' );
	5043	+ }
	5044	+
	5045	+ // Get multisite settings.
	5046	+ $auth_multisite_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() );
	5047	+
	5048	+ // Sanitize settings
	5049	+ $auth_multisite_settings = $this->sanitize_options( $_POST );
	5050	+
	5051	+ // Filter options to only the allowed values (multisite options are a subset of all options)
	5052	+ $allowed = array(
	5053	+ 'multisite_override',
	5054	+ 'access_who_can_login',
	5055	+ 'access_who_can_view',
	5056	+ 'access_default_role',
	5057	+ 'google',
	5058	+ 'google_clientid',
	5059	+ 'google_clientsecret',
	5060	+ 'google_hosteddomain',
	5061	+ 'cas',
	5062	+ 'cas_custom_label',
	5063	+ 'cas_host',
	5064	+ 'cas_port',
	5065	+ 'cas_path',
	5066	+ 'cas_version',
	5067	+ 'cas_attr_email',
	5068	+ 'cas_attr_first_name',
	5069	+ 'cas_attr_last_name',
	5070	+ 'cas_attr_update_on_login',
	5071	+ 'cas_auto_login',
	5072	+ 'ldap',
	5073	+ 'ldap_host',
	5074	+ 'ldap_port',
	5075	+ 'ldap_tls',
	5076	+ 'ldap_search_base',
	5077	+ 'ldap_uid',
	5078	+ 'ldap_attr_email',
	5079	+ 'ldap_user',
	5080	+ 'ldap_password',
	5081	+ 'ldap_lostpassword_url',
	5082	+ 'ldap_attr_first_name',
	5083	+ 'ldap_attr_last_name',
	5084	+ 'ldap_attr_update_on_login',
	5085	+ 'advanced_lockouts',
	5086	+ 'advanced_hide_wp_login',
	5087	+ 'advanced_users_per_page',
	5088	+ 'advanced_users_sort_by',
	5089	+ 'advanced_users_sort_order',
	5090	+ 'advanced_widget_enabled',
	5091	+ );
	5092	+ $auth_multisite_settings = array_intersect_key( $auth_multisite_settings, array_flip( $allowed ) );
	5093	+
	5094	+ // Update multisite settings in database.
	5095	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	5096	+
	5097	+ // Return 'success' value to AJAX call.
	5098	+ die( 'success' );
	5099	+ }
	5100	+
	5101	+
	5102	+
	5103	+ /**
	5104	+ * ***************************
	5105	+ * Dashboard widget
	5106	+ * ***************************
	5107	+ */
	5108	+
	5109	+
	5110	+
	5111	+ function add_dashboard_widgets() {
	5112	+ $widget_enabled = $this->get_plugin_option( 'advanced_widget_enabled', SINGLE_ADMIN, 'allow override' ) === '1';
	5113	+
	5114	+ // Load authorizer dashboard widget if it's enabled and user has permission.
	5115	+ if ( current_user_can( 'create_users' ) && $widget_enabled ) {
	5116	+ // Add dashboard widget for adding/editing users with access
	5117	+ wp_add_dashboard_widget( 'auth_dashboard_widget', __( 'Authorizer Settings', 'authorizer' ), array( $this, 'add_auth_dashboard_widget' ) );
	5118	+ }
	5119	+ }
	5120	+
	5121	+
	5122	+ function add_auth_dashboard_widget() {
	5123	+ ?><form method="post" id="auth_settings_access_form" action="">
	5124	+ <?php $this->print_section_info_access_login(); ?>
	5125	+ <div>
	5126	+ <h2><?php _e( 'Pending Users', 'authorizer' ); ?></h2>
	5127	+ <?php $this->print_combo_auth_access_users_pending(); ?>
	5128	+ </div>
	5129	+ <div>
	5130	+ <h2><?php _e( 'Approved Users', 'authorizer' ); ?></h2>
	5131	+ <?php $this->print_combo_auth_access_users_approved(); ?>
	5132	+ </div>
	5133	+ <div>
	5134	+ <h2><?php _e( 'Blocked Users', 'authorizer' ); ?></h2>
	5135	+ <?php $this->print_combo_auth_access_users_blocked(); ?>
	5136	+ </div>
	5137	+ <br class="clear" />
	5138	+ </form><?php
	5139	+ }
	5140	+
	5141	+
	5142	+
	5143	+ /**
	5144	+ * ***************************
	5145	+ * AJAX Actions
	5146	+ * ***************************
	5147	+ */
	5148	+
	5149	+
	5150	+
	5151	+ // Re-render the Approved User list (usually triggered if pager params have
	5152	+ // changed, e.g., current page, search term, sort order).
	5153	+ function ajax_refresh_approved_user_list() {
	5154	+ // Fail silently if current user doesn't have permissions.
	5155	+ if ( ! current_user_can( 'create_users' ) ) {
	5156	+ die( '' );
	5157	+ }
	5158	+
	5159	+ // Nonce check.
	5160	+ if ( empty( $_POST['nonce_save_auth_settings'] ) || ! wp_verify_nonce( $_POST['nonce_save_auth_settings'], 'save_auth_settings' ) ) {
	5161	+ die( '' );
	5162	+ }
	5163	+
	5164	+ // Fail if required post data doesn't exist.
	5165	+ if ( ! array_key_exists( 'paged', $_REQUEST ) ) {
	5166	+ die( '' );
	5167	+ }
	5168	+
	5169	+ // Get defaults.
	5170	+ $success = true;
	5171	+ $message = '';
	5172	+ $is_network_admin = isset( $_REQUEST['is_network_admin'] ) && $_REQUEST['is_network_admin'];
	5173	+
	5174	+ // Get user list.
	5175	+ $option = 'access_users_approved';
	5176	+ $admin_mode = SINGLE_ADMIN;
	5177	+ $auth_settings_option = $this->get_plugin_option( $option, $admin_mode, 'no override' );
	5178	+ $auth_settings_option = is_array( $auth_settings_option ) ? $auth_settings_option : array();
	5179	+
	5180	+ // Get multisite approved users (will be added to top of list, greyed out).
	5181	+ $auth_override_multisite = $this->get_plugin_option( 'advanced_override_multisite' );
	5182	+ $auth_multisite_settings = $this->get_plugin_options( MULTISITE_ADMIN );
	5183	+ $auth_settings_option_multisite = array();
	5184	+ if (
	5185	+ is_multisite() &&
	5186	+ ! $is_network_admin &&
	5187	+ $auth_override_multisite != '1' &&
	5188	+ array_key_exists( 'multisite_override', $auth_multisite_settings ) &&
	5189	+ $auth_multisite_settings['multisite_override'] === '1'
	5190	+ ) {
	5191	+ $auth_settings_option_multisite = $this->get_plugin_option( $option, MULTISITE_ADMIN, 'allow override' );
	5192	+ $auth_settings_option_multisite = is_array( $auth_settings_option_multisite ) ? $auth_settings_option_multisite : array();
	5193	+ // Add multisite users to the beginning of the main user array.
	5194	+ foreach ( array_reverse( $auth_settings_option_multisite ) as $approved_user ) {
	5195	+ $approved_user['multisite_user'] = true;
	5196	+ array_unshift( $auth_settings_option, $approved_user );
	5197	+ }
	5198	+ }
	5199	+
	5200	+ // Get custom usermeta field to show.
	5201	+ $advanced_usermeta = $this->get_plugin_option( 'advanced_usermeta' );
	5202	+
	5203	+ // Filter user list to search terms.
	5204	+ if ( isset( $_REQUEST['search'] ) && strlen( $_REQUEST['search'] ) > 0 ) {
	5205	+ $search_term = $_REQUEST['search'];
	5206	+ $auth_settings_option = array_filter( $auth_settings_option, function ( $user ) use ( $search_term ) {
	5207	+ return stripos( $user['email'], $search_term ) !== FALSE ||
	5208	+ stripos( $user['role'], $search_term ) !== FALSE ||
	5209	+ stripos( $user['date_added'], $search_term ) !== FALSE;
	5210	+ } );
	5211	+ }
	5212	+
	5213	+ // Sort user list.
	5214	+ $sort_by = $this->get_plugin_option( 'advanced_users_sort_by', SINGLE_ADMIN, 'allow override' ); // email, role, date_added (registered), created (date approved)
	5215	+ $sort_order = $this->get_plugin_option( 'advanced_users_sort_order', SINGLE_ADMIN, 'allow override' ); // asc or desc
	5216	+ $sort_dimension = array();
	5217	+ if ( in_array( $sort_by, array( 'email', 'role', 'date_added' ) ) ) {
	5218	+ foreach ( $auth_settings_option as $key => $user ) {
	5219	+ if ( $sort_by === 'date_added' ) {
	5220	+ $sort_dimension[$key] = date( 'Ymd', strtotime( $user[$sort_by] ) );
	5221	+ } else {
	5222	+ $sort_dimension[$key] = strtolower( $user[$sort_by] );
	5223	+ }
	5224	+ }
	5225	+ $sort_order = $sort_order == 'asc' ? SORT_ASC : SORT_DESC;
	5226	+ array_multisort( $sort_dimension, $sort_order, $auth_settings_option );
	5227	+ }
	5228	+
	5229	+ // Ensure array keys run from 0..max (keys in database will be the original,
	5230	+ // index, and removing users will not reorder the array keys of other users).
	5231	+ $auth_settings_option = array_values( $auth_settings_option );
	5232	+
	5233	+ // Get pager params.
	5234	+ $total_users = count( $auth_settings_option );
	5235	+ $users_per_page = intval( $this->get_plugin_option( 'advanced_users_per_page', SINGLE_ADMIN, 'allow override' ) );
	5236	+ $current_page = isset( $_REQUEST['paged'] ) ? intval( $_REQUEST['paged'] ) : 1;
	5237	+ $total_pages = ceil( $total_users / $users_per_page );
	5238	+ if ( $total_pages < 1 ) {
	5239	+ $total_pages = 1;
	5240	+ }
	5241	+
	5242	+ // Make sure current_page is between 1 and max pages.
	5243	+ if ( $current_page < 1 ) {
	5244	+ $current_page = 1;
	5245	+ } else if ( $current_page > $total_pages ) {
	5246	+ $current_page = $total_pages;
	5247	+ }
	5248	+
	5249	+ // Render user list.
	5250	+ ob_start();
	5251	+ $offset = ( $current_page - 1 ) * $users_per_page;
	5252	+ $max = min( $offset + $users_per_page, count( $auth_settings_option ) );
	5253	+ for ( $key = $offset; $key < $max; $key++ ) :
	5254	+ $approved_user = $auth_settings_option[$key];
	5255	+ if ( empty( $approved_user ) || count( $approved_user ) < 1 ) :
	5256	+ continue;
	5257	+ endif;
	5258	+ $this->render_user_element( $approved_user, $key, $option, $admin_mode, $advanced_usermeta );
	5259	+ endfor;
	5260	+
	5261	+ // Send response to client.
	5262	+ $response = array(
	5263	+ 'success' => $success,
	5264	+ 'message' => $message,
	5265	+ 'html' => ob_get_clean(),
	5266	+ 'total_users_html' => sprintf( _n( '%s user', '%s users', $total_users, 'authorizer' ), number_format_i18n( $total_users ) ),
	5267	+ 'total_pages_html' => number_format_i18n( $total_pages ),
	5268	+ 'total_pages' => $total_pages,
	5269	+ );
	5270	+ header( 'content-type: application/json' );
	5271	+ echo json_encode( $response );
	5272	+ exit;
	5273	+ }
	5274	+
	5275	+
	5276	+ // Fired on a change event from the optional usermeta field in the
	5277	+ // approved user list. Updates the selected usermeta value, or saves it
	5278	+ // in the user's approved list entry if the user hasn't logged in yet
	5279	+ // and created a WordPress account.
	5280	+ function ajax_update_auth_usermeta() {
	5281	+ // Fail silently if current user doesn't have permissions.
	5282	+ if ( ! current_user_can( 'create_users' ) ) {
	5283	+ die( '' );
	5284	+ }
	5285	+
	5286	+ // Nonce check.
	5287	+ if ( empty( $_POST['nonce_save_auth_settings'] ) || ! wp_verify_nonce( $_POST['nonce_save_auth_settings'], 'save_auth_settings' ) ) {
	5288	+ die( '' );
	5289	+ }
	5290	+
	5291	+ // Fail if required post data doesn't exist.
	5292	+ if ( ! array_key_exists( 'email', $_REQUEST ) || ! array_key_exists( 'usermeta', $_REQUEST ) ) {
	5293	+ die( '' );
	5294	+ }
	5295	+
	5296	+ // Get values to update from post data.
	5297	+ $email = $_REQUEST['email'];
	5298	+ $meta_value = $_REQUEST['usermeta'];
	5299	+ $meta_key = $this->get_plugin_option( 'advanced_usermeta' );
	5300	+
	5301	+ // If user doesn't exist, save usermeta selection to authorizer
	5302	+ // list. This value will get saved to usermeta when the user first
	5303	+ // logs in (i.e., when their WordPress account is created).
	5304	+ if ( ! ( $wp_user = get_user_by( 'email', $email ) ) ) {
	5305	+ // Look through multisite approved users and add a usermeta
	5306	+ // reference for the current blog if the user is found.
	5307	+ $auth_multisite_settings_access_users_approved = is_multisite() ? get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', array() ) : array();
	5308	+ $should_update_auth_multisite_settings_access_users_approved = false;
	5309	+ foreach ( $auth_multisite_settings_access_users_approved as $index => $approved_user ) {
	5310	+ if ( 0 === strcasecmp( $email, $approved_user['email'] ) ) {
	5311	+ if ( ! is_array( $auth_multisite_settings_access_users_approved[$index]['usermeta'] ) ) {
	5312	+ // Initialize the array of usermeta for each blog this user belongs to.
	5313	+ $auth_multisite_settings_access_users_approved[$index]['usermeta'] = array();
	5314	+ } else {
	5315	+ // There is already usermeta associated with this
	5316	+ // preapproved user; iterate through it and make
	5317	+ // sure it's not for old meta_keys (delete it if
	5318	+ // so). This can happen if someone changes the
	5319	+ // usermeta key in authorizer options, and we don't
	5320	+ // want to hang on to old data.
	5321	+ foreach ( $auth_multisite_settings_access_users_approved[$index]['usermeta'] as $blog_id => $usermeta ) {
	5322	+ if ( array_key_exists( 'meta_key', $usermeta ) && $usermeta['meta_key'] === $meta_key ) {
	5323	+ continue;
	5324	+ } else {
	5325	+ unset( $auth_multisite_settings_access_users_approved[$index]['usermeta'][$blog_id] );
	5326	+ }
	5327	+ }
	5328	+ }
	5329	+ $auth_multisite_settings_access_users_approved[$index]['usermeta'][get_current_blog_id()] = array(
	5330	+ 'meta_key' => $meta_key,
	5331	+ 'meta_value' => $meta_value,
	5332	+ );
	5333	+ $should_update_auth_multisite_settings_access_users_approved = true;
	5334	+ }
	5335	+ }
	5336	+ if ( $should_update_auth_multisite_settings_access_users_approved ) {
	5337	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	5338	+ }
	5339	+
	5340	+ // Look through the approved users (of the current blog in a
	5341	+ // multisite install, or just of the single site) and add a
	5342	+ // usermeta reference if the user is found.
	5343	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	5344	+ $should_update_auth_settings_access_users_approved = false;
	5345	+ foreach ( $auth_settings_access_users_approved as $index => $approved_user ) {
	5346	+ if ( 0 === strcasecmp( $email, $approved_user['email'] ) ) {
	5347	+ $auth_settings_access_users_approved[$index]['usermeta'] = array(
	5348	+ 'meta_key' => $meta_key,
	5349	+ 'meta_value' => $meta_value,
	5350	+ );
	5351	+ $should_update_auth_settings_access_users_approved = true;
	5352	+ }
	5353	+ }
	5354	+ if ( $should_update_auth_settings_access_users_approved ) {
	5355	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	5356	+ }
	5357	+
	5358	+ } else {
	5359	+ // Update user's usermeta value for usermeta key stored in authorizer options.
	5360	+ if ( strpos( $meta_key, 'acf___' ) === 0 && class_exists( 'acf' ) ) {
	5361	+ // We have an ACF field value, so use the ACF function to update it.
	5362	+ update_field( str_replace('acf___', '', $meta_key ), $meta_value, 'user_' . $wp_user->ID );
	5363	+ } else {
	5364	+ // We have a normal usermeta value, so just update it via the WordPress function.
	5365	+ update_user_meta( $wp_user->ID, $meta_key, $meta_value );
	5366	+ }
	5367	+
	5368	+ }
	5369	+
	5370	+ // Return 'success' value to AJAX call.
	5371	+ die( 'success' );
	5372	+ }
	5373	+
	5374	+
	5375	+ function ajax_update_auth_user() {
	5376	+ // Fail silently if current user doesn't have permissions.
	5377	+ if ( ! current_user_can( 'create_users' ) ) {
	5378	+ die( '' );
	5379	+ }
	5380	+
	5381	+ // Nonce check.
	5382	+ if ( empty( $_POST['nonce_save_auth_settings'] ) || ! wp_verify_nonce( $_POST['nonce_save_auth_settings'], 'save_auth_settings' ) ) {
	5383	+ die( '' );
	5384	+ }
	5385	+
	5386	+ // Fail if requesting a change to an invalid setting.
	5387	+ if ( ! in_array( $_POST['setting'], array( 'access_users_pending', 'access_users_approved', 'access_users_blocked' ) ) ) {
	5388	+ die( '' );
	5389	+ }
	5390	+
	5391	+ // Track any emails that couldn't be added (used when adding users).
	5392	+ $invalid_emails = array();
	5393	+
	5394	+ // Editing a pending list entry.
	5395	+ if ( $_POST['setting'] === 'access_users_pending' ) {
	5396	+ // Initialize posted data if empty.
	5397	+ if ( ! ( array_key_exists( 'access_users_pending', $_POST ) && is_array( $_POST['access_users_pending'] ) ) ) {
	5398	+ $_POST['access_users_pending'] = array();
	5399	+ }
	5400	+
	5401	+ // Deal with each modified user (add or remove).
	5402	+ foreach ( $_POST['access_users_pending'] as $pending_user ) {
	5403	+
	5404	+ if ( $pending_user['edit_action'] === 'add' ) {
	5405	+
	5406	+ // Add new user to pending list and save (skip if it's
	5407	+ // already there--someone else might have just done it).
	5408	+ if ( ! $this->is_email_in_list( $pending_user['email'], 'pending' ) ) {
	5409	+ $auth_settings_access_users_pending = $this->sanitize_user_list(
	5410	+ $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN )
	5411	+ );
	5412	+ array_push( $auth_settings_access_users_pending, $pending_user );
	5413	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	5414	+ }
	5415	+
	5416	+ } elseif ( $pending_user['edit_action'] === 'remove' ) {
	5417	+
	5418	+ // Remove user from pending list and save
	5419	+ if ( $this->is_email_in_list( $pending_user['email'], 'pending' ) ) {
	5420	+ $auth_settings_access_users_pending = $this->sanitize_user_list(
	5421	+ $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN )
	5422	+ );
	5423	+ foreach ( $auth_settings_access_users_pending as $key => $existing_user ) {
	5424	+ if ( 0 === strcasecmp( $pending_user['email'], $existing_user['email'] ) ) {
	5425	+ unset( $auth_settings_access_users_pending[$key] );
	5426	+ break;
	5427	+ }
	5428	+ }
	5429	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	5430	+ }
	5431	+
	5432	+ }
	5433	+ }
	5434	+ }
	5435	+
	5436	+ // Editing an approved list entry.
	5437	+ if ( $_POST['setting'] === 'access_users_approved' ) {
	5438	+ // Initialize posted data if empty.
	5439	+ if ( ! ( array_key_exists( 'access_users_approved', $_POST ) && is_array( $_POST['access_users_approved'] ) ) ) {
	5440	+ $_POST['access_users_approved'] = array();
	5441	+ }
	5442	+
	5443	+ // Deal with each modified user (add, remove, or change_role).
	5444	+ foreach ( $_POST['access_users_approved'] as $approved_user ) {
	5445	+ // Skip blank entries.
	5446	+ if ( strlen( $approved_user['email'] ) < 1 ) {
	5447	+ continue;
	5448	+ }
	5449	+
	5450	+ // New user (create user, or add existing user to current site in multisite).
	5451	+ if ( $approved_user['edit_action'] === 'add' ) {
	5452	+ $new_user = get_user_by( 'email', $approved_user['email'] );
	5453	+ if ( $new_user !== false ) {
	5454	+ // If we're adding an existing multisite user, make sure their
	5455	+ // newly-assigned role is updated on all sites they are already in.
	5456	+ if ( is_multisite() && $approved_user['multisite_user'] !== 'false' ) {
	5457	+ foreach ( get_blogs_of_user( $new_user->ID ) as $blog ) {
	5458	+ add_user_to_blog( $blog->userblog_id, $new_user->ID, $approved_user['role'] );
	5459	+ }
	5460	+ }
	5461	+ // If this user already has an account on another site in the network, add them to this site.
	5462	+ if ( is_multisite() ) {
	5463	+ add_user_to_blog( get_current_blog_id(), $new_user->ID, $approved_user['role'] );
	5464	+ }
	5465	+ } elseif ( $approved_user['local_user'] && $approved_user['local_user'] !== 'false' ) {
	5466	+ // Create a WP account for this new *local* user and email the password.
	5467	+ $plaintext_password = wp_generate_password(); // random password
	5468	+ // If there's already a user with this username (e.g.,
	5469	+ // johndoe/johndoe@gmail.com exists, and we're trying to add
	5470	+ // johndoe/johndoe@example.com), use the full email address
	5471	+ // as the username.
	5472	+ $username = explode( '@', $approved_user['email'] );
	5473	+ $username = $username[0];
	5474	+ if ( get_user_by( 'login', $username ) !== false ) {
	5475	+ $username = $this->lowercase( $approved_user['email'] );
	5476	+ }
	5477	+ if ( $approved_user['multisite_user'] !== 'false' ) {
	5478	+ $result = wpmu_create_user(
	5479	+ strtolower( $username ),
	5480	+ $plaintext_password,
	5481	+ $this->lowercase( $approved_user['email'] )
	5482	+ );
	5483	+ } else {
	5484	+ $result = wp_insert_user(
	5485	+ array(
	5486	+ 'user_login' => strtolower( $username ),
	5487	+ 'user_pass' => $plaintext_password,
	5488	+ 'first_name' => '',
	5489	+ 'last_name' => '',
	5490	+ 'user_email' => $this->lowercase( $approved_user['email'] ),
	5491	+ 'user_registered' => date( 'Y-m-d H:i:s' ),
	5492	+ 'role' => $approved_user['role'],
	5493	+ )
	5494	+ );
	5495	+ }
	5496	+ if ( ! is_wp_error( $result ) ) {
	5497	+ // Email login credentials to new user.
	5498	+ wp_new_user_notification( $result, null, 'both' );
	5499	+ }
	5500	+
	5501	+ }
	5502	+
	5503	+ // Email new user welcome message if plugin option is set.
	5504	+ $this->maybe_email_welcome_message( $approved_user['email'] );
	5505	+
	5506	+ // Add new user to approved list and save (skip if it's
	5507	+ // already there--someone else might have just done it).
	5508	+ if ( $approved_user['multisite_user'] !== 'false' ) {
	5509	+ if ( ! $this->is_email_in_list( $approved_user['email'], 'approved', 'multisite' ) ) {
	5510	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	5511	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	5512	+ );
	5513	+ $approved_user['date_added'] = date( 'M Y' );
	5514	+ array_push( $auth_multisite_settings_access_users_approved, $approved_user );
	5515	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	5516	+ } else {
	5517	+ $invalid_emails[] = $approved_user['email'];
	5518	+ }
	5519	+ } else {
	5520	+ if ( ! $this->is_email_in_list( $approved_user['email'], 'approved' ) ) {
	5521	+ $auth_settings_access_users_approved = $this->sanitize_user_list(
	5522	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN )
	5523	+ );
	5524	+ $approved_user['date_added'] = date( 'M Y' );
	5525	+ array_push( $auth_settings_access_users_approved, $approved_user );
	5526	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	5527	+ } else {
	5528	+ $invalid_emails[] = $approved_user['email'];
	5529	+ }
	5530	+ }
	5531	+
	5532	+ // If we've added a new multisite user, go through all pending/approved/blocked lists
	5533	+ // on individual sites and remove this user from them (to prevent duplicate entries).
	5534	+ if ( $approved_user['multisite_user'] !== 'false' && is_multisite() ) {
	5535	+ $list_names = array( 'access_users_pending', 'access_users_approved', 'access_users_blocked' );
	5536	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	5537	+ foreach ( $sites as $site ) {
	5538	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	5539	+ foreach ( $list_names as $list_name ) {
	5540	+ $user_list = get_blog_option( $blog_id, 'auth_settings_' . $list_name, array() );
	5541	+ $list_changed = false;
	5542	+ foreach ( $user_list as $key => $user ) {
	5543	+ if ( 0 === strcasecmp( $user['email'], $approved_user['email'] ) ) {
	5544	+ unset( $user_list[$key] );
	5545	+ $list_changed = true;
	5546	+ }
	5547	+ }
	5548	+ if ( $list_changed ) {
	5549	+ update_blog_option( $blog_id, 'auth_settings_' . $list_name, $user_list );
	5550	+ }
	5551	+ }
	5552	+ }
	5553	+ }
	5554	+
	5555	+ // Remove user from approved list and save (also remove their role if they have a WordPress account)
	5556	+ } elseif ( $approved_user['edit_action'] === 'remove' ) {
	5557	+ if ( $approved_user['multisite_user'] !== 'false' ) {
	5558	+ if ( $this->is_email_in_list( $approved_user['email'], 'approved', 'multisite' ) ) {
	5559	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	5560	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	5561	+ );
	5562	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $existing_user ) {
	5563	+ if ( 0 === strcasecmp( $approved_user['email'], $existing_user['email'] ) ) {
	5564	+ // Remove role of the associated WordPress user from all blogs (but don't delete the user).
	5565	+ $user = get_user_by( 'email', $approved_user['email'] );
	5566	+ if ( $user !== false ) {
	5567	+ // Loop through all of the blogs this user is a member of and remove their capabilities.
	5568	+ foreach ( get_blogs_of_user( $user->ID ) as $blog ) {
	5569	+ remove_user_from_blog( $user->ID, $blog->userblog_id, '' );
	5570	+ }
	5571	+ }
	5572	+ // Remove entry from Approved Users list.
	5573	+ unset( $auth_multisite_settings_access_users_approved[$key] );
	5574	+ break;
	5575	+ }
	5576	+ }
	5577	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	5578	+ }
	5579	+ } else {
	5580	+ if ( $this->is_email_in_list( $approved_user['email'], 'approved' ) ) {
	5581	+ $auth_settings_access_users_approved = $this->sanitize_user_list(
	5582	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN )
	5583	+ );
	5584	+ foreach ( $auth_settings_access_users_approved as $key => $existing_user ) {
	5585	+ if ( 0 === strcasecmp( $approved_user['email'], $existing_user['email'] ) ) {
	5586	+ // Remove role of the associated WordPress user (but don't delete the user).
	5587	+ $user = get_user_by( 'email', $approved_user['email'] );
	5588	+ if ( $user !== false ) {
	5589	+ $user->set_role( '' );
	5590	+ }
	5591	+ // Remove entry from Approved Users list.
	5592	+ unset( $auth_settings_access_users_approved[$key] );
	5593	+ break;
	5594	+ }
	5595	+ }
	5596	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	5597	+ }
	5598	+ }
	5599	+
	5600	+ // Update user's role in WordPress
	5601	+ } elseif ( $approved_user['edit_action'] === 'change_role' ) {
	5602	+ $changed_user = get_user_by( 'email', $approved_user['email'] );
	5603	+ if ( $changed_user ) {
	5604	+ if ( is_multisite() && $approved_user['multisite_user'] !== 'false' ) {
	5605	+ foreach ( get_blogs_of_user( $changed_user->ID ) as $blog ) {
	5606	+ add_user_to_blog( $blog->userblog_id, $changed_user->ID, $approved_user['role'] );
	5607	+ }
	5608	+ } else {
	5609	+ $changed_user->set_role( $approved_user['role'] );
	5610	+ }
	5611	+ }
	5612	+
	5613	+ if ( $approved_user['multisite_user'] !== 'false' ) {
	5614	+ if ( $this->is_email_in_list( $approved_user['email'], 'approved', 'multisite' ) ) {
	5615	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	5616	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	5617	+ );
	5618	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $existing_user ) {
	5619	+ if ( 0 === strcasecmp( $approved_user['email'], $existing_user['email'] ) ) {
	5620	+ $auth_multisite_settings_access_users_approved[$key]['role'] = $approved_user['role'];
	5621	+ break;
	5622	+ }
	5623	+ }
	5624	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	5625	+ }
	5626	+ } else {
	5627	+ // Update user's role in approved list and save.
	5628	+ if ( $this->is_email_in_list( $approved_user['email'], 'approved' ) ) {
	5629	+ $auth_settings_access_users_approved = $this->sanitize_user_list(
	5630	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN )
	5631	+ );
	5632	+ foreach ( $auth_settings_access_users_approved as $key => $existing_user ) {
	5633	+ if ( 0 === strcasecmp( $approved_user['email'], $existing_user['email'] ) ) {
	5634	+ $auth_settings_access_users_approved[$key]['role'] = $approved_user['role'];
	5635	+ break;
	5636	+ }
	5637	+ }
	5638	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	5639	+ }
	5640	+ }
	5641	+
	5642	+ }
	5643	+ }
	5644	+ }
	5645	+
	5646	+ // Editing a blocked list entry.
	5647	+ if ( $_POST['setting'] === 'access_users_blocked' ) {
	5648	+ // Initialize posted data if empty.
	5649	+ if ( ! ( array_key_exists( 'access_users_blocked', $_POST ) && is_array( $_POST['access_users_blocked'] ) ) ) {
	5650	+ $_POST['access_users_blocked'] = array();
	5651	+ }
	5652	+
	5653	+ // Deal with each modified user (add or remove).
	5654	+ foreach ( $_POST['access_users_blocked'] as $blocked_user ) {
	5655	+
	5656	+ if ( $blocked_user['edit_action'] === 'add' ) {
	5657	+
	5658	+ // Add auth_blocked usermeta for the user.
	5659	+ $blocked_wp_user = get_user_by( 'email', $blocked_user['email'] );
	5660	+ if ( $blocked_wp_user !== false ) {
	5661	+ update_user_meta( $blocked_wp_user->ID, 'auth_blocked', 'yes' );
	5662	+ }
	5663	+
	5664	+ // Add new user to blocked list and save (skip if it's
	5665	+ // already there--someone else might have just done it).
	5666	+ if ( ! $this->is_email_in_list( $blocked_user['email'], 'blocked' ) ) {
	5667	+ $auth_settings_access_users_blocked = $this->sanitize_user_list(
	5668	+ $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN )
	5669	+ );
	5670	+ $blocked_user['date_added'] = date( 'M Y' );
	5671	+ array_push( $auth_settings_access_users_blocked, $blocked_user );
	5672	+ update_option( 'auth_settings_access_users_blocked', $auth_settings_access_users_blocked );
	5673	+ } else {
	5674	+ $invalid_emails[] = $blocked_user['email'];
	5675	+ }
	5676	+
	5677	+ } elseif ( $blocked_user['edit_action'] === 'remove' ) {
	5678	+
	5679	+ // Remove auth_blocked usermeta for the user.
	5680	+ $unblocked_user = get_user_by( 'email', $blocked_user['email'] );
	5681	+ if ( $unblocked_user !== false ) {
	5682	+ delete_user_meta( $unblocked_user->ID, 'auth_blocked', 'yes' );
	5683	+ }
	5684	+
	5685	+ // Remove user from blocked list and save
	5686	+ if ( $this->is_email_in_list( $blocked_user['email'], 'blocked' ) ) {
	5687	+ $auth_settings_access_users_blocked = $this->sanitize_user_list(
	5688	+ $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN )
	5689	+ );
	5690	+ foreach ( $auth_settings_access_users_blocked as $key => $existing_user ) {
	5691	+ if ( 0 === strcasecmp( $blocked_user['email'], $existing_user['email'] ) ) {
	5692	+ unset( $auth_settings_access_users_blocked[$key] );
	5693	+ break;
	5694	+ }
	5695	+ }
	5696	+ update_option( 'auth_settings_access_users_blocked', $auth_settings_access_users_blocked );
	5697	+ }
	5698	+
	5699	+ }
	5700	+ }
	5701	+ }
	5702	+
	5703	+ // Send response to client.
	5704	+ $response = array(
	5705	+ 'success' => true,
	5706	+ 'invalid_emails' => $invalid_emails,
	5707	+ );
	5708	+ header( 'content-type: application/json' );
	5709	+ echo json_encode( $response );
	5710	+ exit;
	5711	+ }
	5712	+
	5713	+
	5714	+
	5715	+ /**
	5716	+ * ***************************
	5717	+ * Helper functions
	5718	+ * ***************************
	5719	+ */
	5720	+
	5721	+
	5722	+ /**
	5723	+ * Retrieves a specific plugin option from db. Multisite enabled.
	5724	+ *
	5725	+ * @param string $option Option name
	5726	+ * @param string $admin_mode MULTISITE_ADMIN will retrieve the multisite value
	5727	+ * @param string $override_mode 'allow override' will retrieve the multisite value if it exists
	5728	+ * @param string $print_mode 'print overlay' will output overlay that hides this option on the settings page
	5729	+ * @return mixed Option value, or null on failure
	5730	+ */
	5731	+ private function get_plugin_option( $option, $admin_mode = SINGLE_ADMIN, $override_mode = 'no override', $print_mode = 'no overlay' ) {
	5732	+ // Special case for user lists (they are saved seperately to prevent concurrency issues).
	5733	+ if ( in_array( $option, array( 'access_users_pending', 'access_users_approved', 'access_users_blocked' ) ) ) {
	5734	+ $list = $admin_mode === MULTISITE_ADMIN ? array() : get_option( 'auth_settings_' . $option );
	5735	+ if ( is_multisite() && $admin_mode === MULTISITE_ADMIN ) {
	5736	+ $list = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_' . $option, array() );
	5737	+ }
	5738	+ return $list;
	5739	+ }
	5740	+
	5741	+ // Get all plugin options.
	5742	+ $auth_settings = $this->get_plugin_options( $admin_mode, $override_mode );
	5743	+
	5744	+ // Set option to null if it wasn't found.
	5745	+ if ( ! array_key_exists( $option, $auth_settings ) ) {
	5746	+ return null;
	5747	+ }
	5748	+
	5749	+ // If requested and appropriate, print the overlay hiding the
	5750	+ // single site option that is overridden by a multisite option.
	5751	+ if (
	5752	+ $admin_mode !== MULTISITE_ADMIN &&
	5753	+ $override_mode === 'allow override' &&
	5754	+ $print_mode === 'print overlay' &&
	5755	+ array_key_exists( 'multisite_override', $auth_settings ) &&
	5756	+ $auth_settings['multisite_override'] === '1' &&
	5757	+ ( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) || $auth_settings['advanced_override_multisite'] != '1' )
	5758	+ ) {
	5759	+ // Get original plugin options (not overridden value). We'll
	5760	+ // show this old value behind the disabled overlay.
	5761	+ //$auth_settings = $this->get_plugin_options( $admin_mode, 'no override' );
	5762	+
	5763	+ $name = "auth_settings[$option]";
	5764	+ $id = "auth_settings_$option"; ?>
	5765	+ <div id="overlay-hide-auth_settings_<?php echo $option; ?>" class="auth_multisite_override_overlay">
	5766	+ <span class="overlay-note">
	5767	+ <?php _e( 'This setting is overridden by a', 'authorizer' ); ?> <a href="<?php echo network_admin_url( 'admin.php?page=authorizer' ); ?>"><?php _e( 'multisite option', 'authorizer' ); ?></a>.
	5768	+ </span>
	5769	+ </div>
	5770	+ <?php
	5771	+ }
	5772	+
	5773	+ // If we're getting an option in a site that has overridden the multisite override, make
	5774	+ // sure we are returning the option value from that site (not the multisite value).
	5775	+ if ( array_key_exists( 'advanced_override_multisite', $auth_settings ) && $auth_settings['advanced_override_multisite'] == '1' ) {
	5776	+ $auth_settings = $this->get_plugin_options( $admin_mode, 'no override' );
	5777	+ }
	5778	+
	5779	+ // Set option to null if it wasn't found.
	5780	+ if ( ! array_key_exists( $option, $auth_settings ) ) {
	5781	+ return null;
	5782	+ }
	5783	+
	5784	+ return $auth_settings[$option];
	5785	+ }
	5786	+
	5787	+ /**
	5788	+ * Retrieves all plugin options from db. Multisite enabled.
	5789	+ *
	5790	+ * @param string $admin_mode MULTISITE_ADMIN will retrieve the multisite value
	5791	+ * @param string $override_mode 'allow override' will retrieve the multisite value if it exists
	5792	+ * @return mixed Option value, or null on failure
	5793	+ */
	5794	+ private function get_plugin_options( $admin_mode = SINGLE_ADMIN, $override_mode = 'no override' ) {
	5795	+ // Grab plugin settings (skip if in MULTISITE_ADMIN mode).
	5796	+ $auth_settings = $admin_mode === MULTISITE_ADMIN ? array() : get_option( 'auth_settings' );
	5797	+
	5798	+ // Initialize to default values if the plugin option doesn't exist.
	5799	+ if ( $auth_settings === FALSE ) {
	5800	+ $auth_settings = $this->set_default_options();
	5801	+ }
	5802	+
	5803	+ // Merge multisite options if we're in a network and the current site hasn't overridden multisite settings.
	5804	+ if ( is_multisite() && ( ! array_key_exists( 'advanced_override_multisite', $auth_settings ) || $auth_settings['advanced_override_multisite'] != '1' ) ) {
	5805	+ // Get multisite options.
	5806	+ $auth_multisite_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() );
	5807	+
	5808	+ // Return the multisite options if we're viewing the network admin options page.
	5809	+ // Otherwise override options with their multisite equivalents.
	5810	+ if ( $admin_mode === MULTISITE_ADMIN ) {
	5811	+ $auth_settings = $auth_multisite_settings;
	5812	+ } elseif (
	5813	+ $override_mode === 'allow override' &&
	5814	+ array_key_exists( 'multisite_override', $auth_multisite_settings ) &&
	5815	+ $auth_multisite_settings['multisite_override'] === '1'
	5816	+ ) {
	5817	+ // Keep track of the multisite override selection.
	5818	+ $auth_settings['multisite_override'] = $auth_multisite_settings['multisite_override'];
	5819	+
	5820	+ // Note: the options below should be the complete list of
	5821	+ // overridden options. It is *not* the complete list of all
	5822	+ // options (some options don't have a multisite equivalent)
	5823	+
	5824	+ // Note: access_users_approved, access_users_pending, and
	5825	+ // access_users_blocked do not get overridden. However,
	5826	+ // since access_users_approved has a multisite equivalent,
	5827	+ // you must retrieve them both seperately. This is done
	5828	+ // because the two lists should be treated differently.
	5829	+ // $approved_users = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	5830	+ // $ms_approved_users = $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN );
	5831	+
	5832	+ // Override external services (google, cas, or ldap) and associated options
	5833	+ $auth_settings['google'] = $auth_multisite_settings['google'];
	5834	+ $auth_settings['google_clientid'] = $auth_multisite_settings['google_clientid'];
	5835	+ $auth_settings['google_clientsecret'] = $auth_multisite_settings['google_clientsecret'];
	5836	+ $auth_settings['google_hosteddomain'] = $auth_multisite_settings['google_hosteddomain'];
	5837	+ $auth_settings['cas'] = $auth_multisite_settings['cas'];
	5838	+ $auth_settings['cas_custom_label'] = $auth_multisite_settings['cas_custom_label'];
	5839	+ $auth_settings['cas_host'] = $auth_multisite_settings['cas_host'];
	5840	+ $auth_settings['cas_port'] = $auth_multisite_settings['cas_port'];
	5841	+ $auth_settings['cas_path'] = $auth_multisite_settings['cas_path'];
	5842	+ $auth_settings['cas_version'] = $auth_multisite_settings['cas_version'];
	5843	+ $auth_settings['cas_attr_email'] = $auth_multisite_settings['cas_attr_email'];
	5844	+ $auth_settings['cas_attr_first_name'] = $auth_multisite_settings['cas_attr_first_name'];
	5845	+ $auth_settings['cas_attr_last_name'] = $auth_multisite_settings['cas_attr_last_name'];
	5846	+ $auth_settings['cas_attr_update_on_login'] = $auth_multisite_settings['cas_attr_update_on_login'];
	5847	+ $auth_settings['cas_auto_login'] = $auth_multisite_settings['cas_auto_login'];
	5848	+ $auth_settings['ldap'] = $auth_multisite_settings['ldap'];
	5849	+ $auth_settings['ldap_host'] = $auth_multisite_settings['ldap_host'];
	5850	+ $auth_settings['ldap_port'] = $auth_multisite_settings['ldap_port'];
	5851	+ $auth_settings['ldap_tls'] = $auth_multisite_settings['ldap_tls'];
	5852	+ $auth_settings['ldap_search_base'] = $auth_multisite_settings['ldap_search_base'];
	5853	+ $auth_settings['ldap_uid'] = $auth_multisite_settings['ldap_uid'];
	5854	+ $auth_settings['ldap_attr_email'] = $auth_multisite_settings['ldap_attr_email'];
	5855	+ $auth_settings['ldap_user'] = $auth_multisite_settings['ldap_user'];
	5856	+ $auth_settings['ldap_password'] = $auth_multisite_settings['ldap_password'];
	5857	+ $auth_settings['ldap_lostpassword_url'] = $auth_multisite_settings['ldap_lostpassword_url'];
	5858	+ $auth_settings['ldap_attr_first_name'] = $auth_multisite_settings['ldap_attr_first_name'];
	5859	+ $auth_settings['ldap_attr_last_name'] = $auth_multisite_settings['ldap_attr_last_name'];
	5860	+ $auth_settings['ldap_attr_update_on_login'] = $auth_multisite_settings['ldap_attr_update_on_login'];
	5861	+
	5862	+ // Override access_who_can_login and access_who_can_view
	5863	+ $auth_settings['access_who_can_login'] = $auth_multisite_settings['access_who_can_login'];
	5864	+ $auth_settings['access_who_can_view'] = $auth_multisite_settings['access_who_can_view'];
	5865	+
	5866	+ // Override access_default_role
	5867	+ $auth_settings['access_default_role'] = $auth_multisite_settings['access_default_role'];
	5868	+
	5869	+ // Override lockouts
	5870	+ $auth_settings['advanced_lockouts'] = $auth_multisite_settings['advanced_lockouts'];
	5871	+
	5872	+ // Override Hide WordPress login
	5873	+ $auth_settings['advanced_hide_wp_login'] = $auth_multisite_settings['advanced_hide_wp_login'];
	5874	+
	5875	+ // Override Users per page
	5876	+ $auth_settings['advanced_users_per_page'] = $auth_multisite_settings['advanced_users_per_page'];
	5877	+
	5878	+ // Override Sort users by
	5879	+ $auth_settings['advanced_users_sort_by'] = $auth_multisite_settings['advanced_users_sort_by'];
	5880	+
	5881	+ // Override Sort users order
	5882	+ $auth_settings['advanced_users_sort_order'] = $auth_multisite_settings['advanced_users_sort_order'];
	5883	+
	5884	+ // Override Show Dashboard Widget
	5885	+ $auth_settings['advanced_widget_enabled'] = $auth_multisite_settings['advanced_widget_enabled'];
	5886	+ }
	5887	+ }
	5888	+ return $auth_settings;
	5889	+ }
	5890	+
	5891	+
	5892	+ /**
	5893	+ * Remove user from authorizer lists when that user is deleted in WordPress.
	5894	+ * Run on action hook: delete_user
	5895	+ */
	5896	+ function remove_user_from_authorizer_when_deleted( $user_id ) {
	5897	+ $user = get_user_by( 'id', $user_id );
	5898	+ $deleted_email = $user->user_email;
	5899	+
	5900	+ // Remove user from pending/approved lists and save.
	5901	+ $list_names = array( 'access_users_pending', 'access_users_approved' );
	5902	+ foreach ( $list_names as $list_name ) {
	5903	+ $user_list = $this->sanitize_user_list( $this->get_plugin_option( $list_name, SINGLE_ADMIN ) );
	5904	+ $list_changed = false;
	5905	+ foreach ( $user_list as $key => $existing_user ) {
	5906	+ if ( 0 === strcasecmp( $deleted_email, $existing_user['email'] ) ) {
	5907	+ $list_changed = true;
	5908	+ unset( $user_list[$key] );
	5909	+ }
	5910	+ }
	5911	+ if ( $list_changed ) {
	5912	+ update_option( 'auth_settings_' . $list_name, $user_list );
	5913	+ }
	5914	+ }
	5915	+ }
	5916	+
	5917	+
	5918	+ /**
	5919	+ * Remove multisite user from authorizer lists when that user is deleted from Network Users.
	5920	+ * Run on action hook: wpmu_delete_user
	5921	+ */
	5922	+ function remove_network_user_from_authorizer_when_deleted( $user_id ) {
	5923	+ $user = get_user_by( 'id', $user_id );
	5924	+ $deleted_email = $user->user_email;
	5925	+
	5926	+ // Go through multisite approved user list and remove this user.
	5927	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	5928	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	5929	+ );
	5930	+ $list_changed = false;
	5931	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $existing_user ) {
	5932	+ if ( 0 === strcasecmp( $deleted_email, $existing_user['email'] ) ) {
	5933	+ $list_changed = true;
	5934	+ unset( $auth_multisite_settings_access_users_approved[$key] );
	5935	+ }
	5936	+ }
	5937	+ if ( $list_changed ) {
	5938	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	5939	+ }
	5940	+
	5941	+ // Go through all pending/approved lists on individual sites and remove this user from them.
	5942	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	5943	+ foreach ( $sites as $site ) {
	5944	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	5945	+ $this->remove_network_user_from_site_when_removed( $user_id, $blog_id );
	5946	+ }
	5947	+
	5948	+ }
	5949	+
	5950	+
	5951	+ /**
	5952	+ * Remove multisite user from a specific site's lists when that user is removed from the site.
	5953	+ * Run on action hook: remove_user_from_blog
	5954	+ */
	5955	+ function remove_network_user_from_site_when_removed( $user_id, $blog_id ) {
	5956	+ $user = get_user_by( 'id', $user_id );
	5957	+ $deleted_email = $user->user_email;
	5958	+
	5959	+ $list_names = array( 'access_users_pending', 'access_users_approved' );
	5960	+ foreach ( $list_names as $list_name ) {
	5961	+ $user_list = get_blog_option( $blog_id, 'auth_settings_' . $list_name, array() );
	5962	+ $list_changed = false;
	5963	+ foreach ( $user_list as $key => $existing_user ) {
	5964	+ if ( 0 === strcasecmp( $deleted_email, $existing_user['email'] ) ) {
	5965	+ $list_changed = true;
	5966	+ unset( $user_list[$key] );
	5967	+ }
	5968	+ }
	5969	+ if ( $list_changed ) {
	5970	+ update_blog_option( $blog_id, 'auth_settings_' . $list_name, $user_list );
	5971	+ }
	5972	+ }
	5973	+ }
	5974	+
	5975	+
	5976	+ /**
	5977	+ * Helper: Add multisite user to a specific site's approved list.
	5978	+ */
	5979	+ function add_network_user_to_site( $user_id, $blog_id ) {
	5980	+ // Switch to blog.
	5981	+ switch_to_blog( $blog_id );
	5982	+
	5983	+ // Get user details and role.
	5984	+ $access_default_role = $this->get_plugin_option( 'access_default_role', SINGLE_ADMIN, 'allow override' );
	5985	+ $user = get_user_by( 'id', $user_id );
	5986	+ $user_email = $user->user_email;
	5987	+ $user_role = $user && is_array( $user->roles ) && count( $user->roles ) > 0 ? $user->roles[0] : $access_default_role;
	5988	+
	5989	+ // Add user to approved list if not already there and not in blocked list.
	5990	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	5991	+ $auth_settings_access_users_blocked = $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN );
	5992	+ if ( ! $this->in_multi_array( $user_email, $auth_settings_access_users_approved ) && ! $this->in_multi_array( $user_email, $auth_settings_access_users_blocked ) ) {
	5993	+ $approved_user = array(
	5994	+ 'email' => $this->lowercase( $user_email ),
	5995	+ 'role' => $user_role,
	5996	+ 'date_added' => date( 'M Y', strtotime( $user->user_registered ) ),
	5997	+ 'local_user' => true,
	5998	+ );
	5999	+ array_push( $auth_settings_access_users_approved, $approved_user );
	6000	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	6001	+ }
	6002	+
	6003	+ // Restore original blog.
	6004	+ restore_current_blog();
	6005	+ }
	6006	+
	6007	+
	6008	+ /**
	6009	+ * Multisite:
	6010	+ * When an existing user is invited to the current site (or a new user is created),
	6011	+ * add them to the authorizer approved list. This action fires when the admin
	6012	+ * doesn't select the "Skip Confirmation Email" option.
	6013	+ *
	6014	+ * @action invite_user
	6015	+ *
	6016	+ * @param int $user_id The invited user's ID.
	6017	+ * @param array $role The role of the invited user (or none if a new user creation).
	6018	+ * @param string $newuser_key The key of the invitation.
	6019	+ */
	6020	+ function add_existing_user_to_authorizer_when_created( $user_id, $role = array(), $newuser_key = '' ) {
	6021	+ $user = get_user_by( 'id', $user_id );
	6022	+ $this->add_user_to_authorizer_when_created( $user->user_email, $user->user_registered, $user->user_roles, $role );
	6023	+ }
	6024	+
	6025	+
	6026	+ /**
	6027	+ * Multisite:
	6028	+ * When an existing user is invited to the current site (or a new user is created),
	6029	+ * add them to the authorizer approved list. This action fires when the admin
	6030	+ * selects the "Skip Confirmation Email" option.
	6031	+ *
	6032	+ * @action added_existing_user
	6033	+ *
	6034	+ * @param int $user_id The invited user's ID.
	6035	+ * @param mixed $result True on success or a WP_Error object if the user doesn't exist.
	6036	+ */
	6037	+ function add_existing_user_to_authorizer_when_created_noconfirmation( $user_id, $result ) {
	6038	+ $user = get_user_by( 'id', $user_id );
	6039	+ $this->add_user_to_authorizer_when_created( $user->user_email, $user->user_registered, $user->user_roles );
	6040	+ }
	6041	+
	6042	+
	6043	+ /**
	6044	+ * Multisite:
	6045	+ * When a new user is invited to the current site (or a new user is created),
	6046	+ * add them to the authorizer approved list.
	6047	+ *
	6048	+ * @action after_signup_user
	6049	+ *
	6050	+ * @param string $user User's requested login name.
	6051	+ * @param string $user_email User's email address.
	6052	+ * @param string $key User's activation key.
	6053	+ * @param array $meta Additional signup meta, including initially set roles.
	6054	+ */
	6055	+ function add_new_user_to_authorizer_when_created( $user, $user_email, $key, $meta ) {
	6056	+ $user_roles = isset( $meta['new_role'] ) ? array( $meta['new_role'] ) : array();
	6057	+ $this->add_user_to_authorizer_when_created( $user_email, time(), $user_roles );
	6058	+ }
	6059	+
	6060	+
	6061	+ /**
	6062	+ * Single site:
	6063	+ * When a new user is added in single site mode, add them to the authorizer
	6064	+ * approved list.
	6065	+ *
	6066	+ * @action edit_user_created_user
	6067	+ *
	6068	+ * @param int $user_id ID of the newly created user.
	6069	+ * @param string $notify Type of notification that should happen. See wp_send_new_user_notifications()
	6070	+ * for more information on possible values.
	6071	+ */
	6072	+ function add_new_user_to_authorizer_when_created_single_site( $user_id, $notify ) {
	6073	+ $user = get_user_by( 'id', $user_id );
	6074	+ $this->add_user_to_authorizer_when_created( $user->user_email, $user->user_registered, $user->user_roles );
	6075	+ }
	6076	+
	6077	+
	6078	+ /**
	6079	+ * Helper: When a new user is added/invited to the current site (or a new
	6080	+ * user is created), add them to the authorizer approved list.
	6081	+ */
	6082	+ private function add_user_to_authorizer_when_created( $user_email, $date_registered, $user_roles = array(), $default_role = array() ) {
	6083	+ $auth_multisite_settings_access_users_approved = is_multisite() ? get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', array() ) : array();
	6084	+ $auth_settings_access_users_pending = $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN );
	6085	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	6086	+ $auth_settings_access_users_blocked = $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN );
	6087	+
	6088	+ // Get default role if one isn't specified.
	6089	+ if ( count( $default_role ) < 1 ) {
	6090	+ $default_role = '';
	6091	+ } else {
	6092	+ $default_role = strtolower( $default_role['name'] );
	6093	+ }
	6094	+
	6095	+ $updated = false;
	6096	+
	6097	+ // Skip if user is in blocked list.
	6098	+ if ( $this->in_multi_array( $user_email, $auth_settings_access_users_blocked ) ) {
	6099	+ return;
	6100	+ }
	6101	+ // Remove from pending list if there.
	6102	+ foreach ( $auth_settings_access_users_pending as $key => $pending_user ) {
	6103	+ if ( 0 === strcasecmp( $pending_user['email'], $user_email ) ) {
	6104	+ unset( $auth_settings_access_users_pending[$key] );
	6105	+ $updated = true;
	6106	+ }
	6107	+ }
	6108	+ // Skip if user is in multisite approved list.
	6109	+ if ( $this->in_multi_array( $user_email, $auth_multisite_settings_access_users_approved ) ) {
	6110	+ return;
	6111	+ }
	6112	+ // Add to approved list if not there.
	6113	+ if ( ! $this->in_multi_array( $user_email, $auth_settings_access_users_approved ) ) {
	6114	+ $approved_user = array(
	6115	+ 'email' => $this->lowercase( $user_email ),
	6116	+ 'role' => is_array( $user_roles ) && count( $user_roles ) > 0 ? $user_roles[0] : $default_role,
	6117	+ 'date_added' => date( 'M Y', strtotime( $date_registered ) ),
	6118	+ 'local_user' => true,
	6119	+ );
	6120	+ array_push( $auth_settings_access_users_approved, $approved_user );
	6121	+ $updated = true;
	6122	+ }
	6123	+
	6124	+ if ( $updated ) {
	6125	+ update_option( 'auth_settings_access_users_pending', $auth_settings_access_users_pending );
	6126	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	6127	+ }
	6128	+ }
	6129	+
	6130	+
	6131	+ /**
	6132	+ * Multisite:
	6133	+ * When a user is granted super admin status (checkbox on network user edit
	6134	+ * screen), add them to the authorizer network approved list. Also remove
	6135	+ * them from pending/approved list on any individual sites.
	6136	+ *
	6137	+ * @action grant_super_admin
	6138	+ *
	6139	+ * @param int $user_id The user's ID.
	6140	+ */
	6141	+ function grant_super_admin__add_to_network_approved( $user_id ) {
	6142	+ $user = get_user_by( 'id', $user_id );
	6143	+ $user_email = $user->user_email;
	6144	+
	6145	+ // Add user to multisite approved user list (if not already there).
	6146	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	6147	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	6148	+ );
	6149	+ if ( ! $this->in_multi_array( $user_email, $auth_multisite_settings_access_users_approved ) ) {
	6150	+ $multisite_approved_user = array(
	6151	+ 'email' => $this->lowercase( $user_email ),
	6152	+ 'role' => count( $user->roles ) > 0 ? $user->roles[0] : 'administrator',
	6153	+ 'date_added' => date( 'M Y', strtotime( $user->user_registered ) ),
	6154	+ 'local_user' => true,
	6155	+ );
	6156	+ array_push( $auth_multisite_settings_access_users_approved, $multisite_approved_user );
	6157	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	6158	+ }
	6159	+
	6160	+ // Go through all pending/approved lists on individual sites and remove this user from them.
	6161	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6162	+ foreach ( $sites as $site ) {
	6163	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6164	+ $this->remove_network_user_from_site_when_removed( $user_id, $blog_id );
	6165	+ }
	6166	+
	6167	+ }
	6168	+
	6169	+ /**
	6170	+ * Multisite:
	6171	+ * When a user's super admin status is revoked (checkbox on network user edit
	6172	+ * screen), remove them from the authorizer network approved list. Also add
	6173	+ * them to approved list on any individual sites they are already a part of.
	6174	+ *
	6175	+ * @action revoke_super_admin
	6176	+ *
	6177	+ * @param int $user_id The user's ID.
	6178	+ */
	6179	+ function revoke_super_admin__remove_from_network_approved( $user_id ) {
	6180	+ $user = get_user_by( 'id', $user_id );
	6181	+ $revoked_email = $user->user_email;
	6182	+
	6183	+ // Go through multisite approved user list and remove this user.
	6184	+ $auth_multisite_settings_access_users_approved = $this->sanitize_user_list(
	6185	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	6186	+ );
	6187	+ $list_changed = false;
	6188	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $existing_user ) {
	6189	+ if ( 0 === strcasecmp( $revoked_email, $existing_user['email'] ) ) {
	6190	+ $list_changed = true;
	6191	+ unset( $auth_multisite_settings_access_users_approved[$key] );
	6192	+ }
	6193	+ }
	6194	+ if ( $list_changed ) {
	6195	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	6196	+ }
	6197	+
	6198	+ // Go through this user's current sites and add them to the approved list
	6199	+ // (since they are no longer on the network approved list).
	6200	+ $sites_of_user = get_blogs_of_user( $user_id );
	6201	+ foreach ( $sites_of_user as $site ) {
	6202	+ $blog_id = $site->userblog_id;
	6203	+ $this->add_network_user_to_site( $user_id, $blog_id );
	6204	+ }
	6205	+
	6206	+ }
	6207	+
	6208	+ private function maybe_email_welcome_message( $email ) {
	6209	+ // Get option for whether to email welcome messages.
	6210	+ $should_email_new_approved_users = $this->get_plugin_option( 'access_should_email_approved_users' );
	6211	+
	6212	+ // Do not send welcome email if option not enabled.
	6213	+ if ( $should_email_new_approved_users !== '1' ) {
	6214	+ return false;
	6215	+ }
	6216	+
	6217	+ // Make sure we didn't just email this user (can happen with
	6218	+ // multiple admins saving at the same time, or by clicking
	6219	+ // Approve button too rapidly).
	6220	+ $recently_sent_emails = get_option( 'auth_settings_recently_sent_emails' );
	6221	+ if ( $recently_sent_emails === FALSE ) {
	6222	+ $recently_sent_emails = array();
	6223	+ }
	6224	+ foreach ( $recently_sent_emails as $key => $recently_sent_email ) {
	6225	+ if ( $recently_sent_email['time'] < strtotime( 'now -1 minutes' ) ) {
	6226	+ // Remove emails sent more than 1 minute ago.
	6227	+ unset( $recently_sent_emails[$key] );
	6228	+ } elseif ( $recently_sent_email['email'] === $email ) {
	6229	+ // Sent an email to this user within the last 1 minute, so
	6230	+ // quit without sending.
	6231	+ return false;
	6232	+ }
	6233	+ }
	6234	+ // Add the email we're about to send to the list.
	6235	+ $recently_sent_emails[] = array(
	6236	+ 'email' => $email,
	6237	+ 'time' => time(),
	6238	+ );
	6239	+ update_option( 'auth_settings_recently_sent_emails', $recently_sent_emails );
	6240	+
	6241	+ // Get welcome email subject and body text
	6242	+ $subject = $this->get_plugin_option( 'access_email_approved_users_subject' );
	6243	+ $body = apply_filters( 'the_content', $this->get_plugin_option( 'access_email_approved_users_body' ) );
	6244	+
	6245	+ // Fail if the subject/body options don't exist or are empty.
	6246	+ if ( is_null( $subject ) || is_null( $body ) || strlen( $subject ) === 0 || strlen( $body ) === 0 ) {
	6247	+ return false;
	6248	+ }
	6249	+
	6250	+ // Replace approved shortcode patterns in subject and body.
	6251	+ $site_name = get_bloginfo( 'name' );
	6252	+ $site_url = get_site_url();
	6253	+ $subject = str_replace( '[site_name]', $site_name, $subject );
	6254	+ $body = str_replace( '[site_name]', $site_name, $body );
	6255	+ $body = str_replace( '[site_url]', $site_url, $body );
	6256	+ $body = str_replace( '[user_email]', $email, $body );
	6257	+ $headers = 'Content-type: text/html' . "\r\n";
	6258	+
	6259	+ // Send email.
	6260	+ wp_mail( $email, $subject, $body, $headers );
	6261	+
	6262	+ // Indicate mail was sent.
	6263	+ return true;
	6264	+ }
	6265	+
	6266	+
	6267	+ /**
	6268	+ * Generate a unique cookie to add to nonces to prevent CSRF.
	6269	+ */
	6270	+ protected $cookie_value = null;
	6271	+ function get_cookie_value() {
	6272	+ if ( ! $this->cookie_value ) {
	6273	+ if ( isset( $_COOKIE['login_unique'] ) ) {
	6274	+ $this->cookie_value = $_COOKIE['login_unique'];
	6275	+ } else {
	6276	+ $this->cookie_value = md5( rand() );
	6277	+ }
	6278	+ }
	6279	+ return $this->cookie_value;
	6280	+ }
	6281	+
	6282	+
	6283	+ /**
	6284	+ * Basic encryption using a public (not secret!) key. Used for general
	6285	+ * database obfuscation of passwords.
	6286	+ * @param $text String to encrypt.
	6287	+ * @param $library Encryption lib to use (openssl).
	6288	+ * @return Encrypted string
	6289	+ */
	6290	+ private static $key = "8QxnrvjdtweisvCBKEY!+0\0\0";
	6291	+ private static $iv = "R_O2D]jPn]1[fhJl!-P1.oe";
	6292	+ function encrypt( $text, $library = 'openssl' ) {
	6293	+ $result = '';
	6294	+
	6295	+ // Use openssl library (better) if it is enabled.
	6296	+ if ( function_exists( 'openssl_encrypt' ) && $library === 'openssl' ) {
	6297	+ $result = base64_encode( openssl_encrypt(
	6298	+ $text,
	6299	+ 'AES-256-CBC',
	6300	+ hash( 'sha256', self::$key ),
	6301	+ 0,
	6302	+ substr( hash( 'sha256', self::$iv ), 0, 16 )
	6303	+ ) );
	6304	+ // Use mcrypt library (deprecated in PHP 7.1) if php5-mcrypt extension is enabled.
	6305	+ } else if ( function_exists( 'mcrypt_encrypt' ) ) {
	6306	+ $result = base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_256, self::$key, $text, MCRYPT_MODE_ECB, 'abcdefghijklmnopqrstuvwxyz012345' ) );
	6307	+ // Fall back to basic obfuscation.
	6308	+ } else {
	6309	+ for ( $i = 0; $i < strlen( $text ); $i++ ) {
	6310	+ $char = substr( $text, $i, 1 );
	6311	+ $keychar = substr( self::$key, ( $i % strlen( self::$key ) ) - 1, 1 );
	6312	+ $char = chr( ord( $char ) + ord( $keychar ) );
	6313	+ $result .= $char;
	6314	+ }
	6315	+ $result = base64_encode( $result );
	6316	+ }
	6317	+
	6318	+ return $result;
	6319	+ }
	6320	+
	6321	+
	6322	+ /**
	6323	+ * Basic decryption using a public (not secret!) key. Used for general
	6324	+ * database obfuscation of passwords.
	6325	+ * @param $text String to encrypt.
	6326	+ * @param $library Encryption lib to use (openssl).
	6327	+ * @return Decrypted string
	6328	+ */
	6329	+ function decrypt( $secret, $library = 'openssl' ) {
	6330	+ $result = '';
	6331	+
	6332	+ // Use openssl library (better) if it is enabled.
	6333	+ if ( function_exists( 'openssl_decrypt' ) && $library === 'openssl' ) {
	6334	+ $result = openssl_decrypt(
	6335	+ base64_decode( $secret ),
	6336	+ 'AES-256-CBC',
	6337	+ hash( 'sha256', self::$key ),
	6338	+ 0,
	6339	+ substr( hash( 'sha256', self::$iv ), 0, 16 )
	6340	+ );
	6341	+ // Use mcrypt library (deprecated in PHP 7.1) if php5-mcrypt extension is enabled.
	6342	+ } else if ( function_exists( 'mcrypt_decrypt' ) ) {
	6343	+ $secret = base64_decode( $secret );
	6344	+ $result = rtrim( mcrypt_decrypt( MCRYPT_RIJNDAEL_256, self::$key, $secret, MCRYPT_MODE_ECB, 'abcdefghijklmnopqrstuvwxyz012345' ), "\0$result" );
	6345	+ // Fall back to basic obfuscation.
	6346	+ } else {
	6347	+ $secret = base64_decode( $secret );
	6348	+ for ( $i = 0; $i < strlen( $secret ); $i++ ) {
	6349	+ $char = substr( $secret, $i, 1 );
	6350	+ $keychar = substr( self::$key, ( $i % strlen( self::$key ) ) - 1, 1 );
	6351	+ $char = chr( ord( $char ) - ord( $keychar ) );
	6352	+ $result .= $char;
	6353	+ }
	6354	+ }
	6355	+
	6356	+ return $result;
	6357	+ }
	6358	+
	6359	+
	6360	+ /**
	6361	+ * In a multisite environment, returns true if the current user is logged
	6362	+ * in and a user of the current blog. In single site mode, simply returns
	6363	+ * true if the current user is logged in.
	6364	+ */
	6365	+ function is_user_logged_in_and_blog_user() {
	6366	+ $is_user_logged_in_and_blog_user = false;
	6367	+ if ( is_multisite() ) {
	6368	+ $is_user_logged_in_and_blog_user = is_user_logged_in() && is_user_member_of_blog( get_current_user_id() );
	6369	+ } else {
	6370	+ $is_user_logged_in_and_blog_user = is_user_logged_in();
	6371	+ }
	6372	+ return $is_user_logged_in_and_blog_user;
	6373	+ }
	6374	+
	6375	+
	6376	+ /**
	6377	+ * Helper function to determine whether a given email is in one of
	6378	+ * the lists (pending, approved, blocked). Defaults to the list of
	6379	+ * approved users.
	6380	+ */
	6381	+ function is_email_in_list( $email = '', $list = 'approved', $multisite_mode = 'single' ) {
	6382	+ if ( empty( $email ) )
	6383	+ return false;
	6384	+
	6385	+ switch ( $list ) {
	6386	+ case 'pending':
	6387	+ $auth_settings_access_users_pending = $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN );
	6388	+ return $this->in_multi_array( $email, $auth_settings_access_users_pending );
	6389	+ break;
	6390	+ case 'blocked':
	6391	+ $auth_settings_access_users_blocked = $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN );
	6392	+ return $this->in_multi_array( $email, $auth_settings_access_users_blocked );
	6393	+ break;
	6394	+ case 'approved':
	6395	+ default:
	6396	+ if ( $multisite_mode !== 'single' ) {
	6397	+ // Get multisite users only.
	6398	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN );
	6399	+ } elseif ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
	6400	+ // This site has overridden any multisite settings, so only get its users.
	6401	+ $auth_settings_access_users_approved = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	6402	+ } else {
	6403	+ // Get all site users and all multisite users.
	6404	+ $auth_settings_access_users_approved = array_merge(
	6405	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN ),
	6406	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	6407	+ );
	6408	+ }
	6409	+ return $this->in_multi_array( $email, $auth_settings_access_users_approved );
	6410	+ break;
	6411	+ }
	6412	+ }
	6413	+
	6414	+
	6415	+ /**
	6416	+ * Helper function to get number of users (including multisite users)
	6417	+ * in a given list (pending, approved, or blocked).
	6418	+ * @param string $list
	6419	+ * @param string $admin_mode SINGLE_ADMIN or MULTISITE_ADMIN determines whether to include multisite users
	6420	+ * @return int number of users in list
	6421	+ */
	6422	+ function get_user_count_from_list( $list, $admin_mode = SINGLE_ADMIN ) {
	6423	+ $auth_settings_access_users = array();
	6424	+
	6425	+ switch ( $list ) {
	6426	+ case 'pending':
	6427	+ $auth_settings_access_users = $this->get_plugin_option( 'access_users_pending', SINGLE_ADMIN );
	6428	+ break;
	6429	+ case 'blocked':
	6430	+ $auth_settings_access_users = $this->get_plugin_option( 'access_users_blocked', SINGLE_ADMIN );
	6431	+ break;
	6432	+ case 'approved':
	6433	+ if ( $admin_mode !== SINGLE_ADMIN ) {
	6434	+ // Get multisite users only.
	6435	+ $auth_settings_access_users = $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN );
	6436	+ } elseif ( is_multisite() && $this->get_plugin_option( 'advanced_override_multisite' ) == '1' ) {
	6437	+ // This site has overridden any multisite settings, so only get its users.
	6438	+ $auth_settings_access_users = $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN );
	6439	+ } else {
	6440	+ // Get all site users and all multisite users.
	6441	+ $auth_settings_access_users = array_merge(
	6442	+ $this->get_plugin_option( 'access_users_approved', SINGLE_ADMIN ),
	6443	+ $this->get_plugin_option( 'access_users_approved', MULTISITE_ADMIN )
	6444	+ );
	6445	+ }
	6446	+ }
	6447	+
	6448	+ return count( $auth_settings_access_users );
	6449	+ }
	6450	+
	6451	+
	6452	+ /**
	6453	+ * Helper function to search a multidimensional array for a value.
	6454	+ */
	6455	+ function in_multi_array( $needle = '', $haystack = array(), $strict_mode = 'not strict', $case_sensitivity = 'case insensitive' ) {
	6456	+ if ( ! is_array( $haystack ) ) {
	6457	+ return false;
	6458	+ }
	6459	+ if ( $case_sensitivity === 'case insensitive' ) {
	6460	+ $needle = strtolower( $needle );
	6461	+ }
	6462	+ foreach ( $haystack as $item ) {
	6463	+ if ( $case_sensitivity === 'case insensitive' && ! is_array( $item ) ) {
	6464	+ $item = strtolower( $item );
	6465	+ }
	6466	+ if ( ( $strict_mode === 'strict' ? $item === $needle : $item == $needle ) || ( is_array( $item ) && $this->in_multi_array( $needle, $item, $strict_mode, $case_sensitivity ) ) ) {
	6467	+ return true;
	6468	+ }
	6469	+ }
	6470	+ return false;
	6471	+ }
	6472	+
	6473	+
	6474	+ /**
	6475	+ * Helper function to determine if an URL is accessible.
	6476	+ *
	6477	+ * @param string $url URL that should be publicly reachable
	6478	+ * @return boolean Whether the URL is publicly reachable
	6479	+ */
	6480	+ function url_is_accessible( $url ) {
	6481	+ // Use wp_remote_retrieve_response_code() to retrieve the URL.
	6482	+ $response = wp_remote_get( $url );
	6483	+ $response_code = wp_remote_retrieve_response_code( $response );
	6484	+
	6485	+ // Return true if the document has loaded successfully without any redirection or error
	6486	+ return $response_code >= 200 && $response_code < 400;
	6487	+ }
	6488	+
	6489	+
	6490	+ /**
	6491	+ * Helper function to reconstruct a URL split using parse_url().
	6492	+ * @param array $parts Array returned from parse_url().
	6493	+ * @return string URL.
	6494	+ */
	6495	+ function build_url( $parts = array() ) {
	6496	+ return
	6497	+ ( isset( $parts['scheme'] ) ? "{$parts['scheme']}:" : '' ) .
	6498	+ ( ( isset( $parts['user'] ) || isset( $parts['host'] ) ) ? '//' : '' ) .
	6499	+ ( isset( $parts['user'] ) ? "{$parts['user']}" : '' ) .
	6500	+ ( isset( $parts['pass'] ) ? ":{$parts['pass']}" : '' ) .
	6501	+ ( isset( $parts['user'] ) ? '@' : '' ) .
	6502	+ ( isset( $parts['host'] ) ? "{$parts['host']}" : '' ) .
	6503	+ ( isset( $parts['port'] ) ? ":{$parts['port']}" : '' ) .
	6504	+ ( isset( $parts['path'] ) ? "{$parts['path']}" : '' ) .
	6505	+ ( isset( $parts['query'] ) ? "?{$parts['query']}" : '' ) .
	6506	+ ( isset( $parts['fragment'] ) ? "#{$parts['fragment']}" : '' );
	6507	+ }
	6508	+
	6509	+
	6510	+ // Helper function that builds option tags for a select element for all
	6511	+ // roles the current user has permission to assign.
	6512	+ function wp_dropdown_permitted_roles( $selected_role = 'subscriber', $disable_input = 'not disabled', $admin_mode = SINGLE_ADMIN ) {
	6513	+ $roles = get_editable_roles();
	6514	+ $current_user = wp_get_current_user();
	6515	+
	6516	+ // If we're in network admin, also show any roles that might exist only on
	6517	+ // specific sites in the network (themes can add their own roles).
	6518	+ if ( $admin_mode === MULTISITE_ADMIN ) {
	6519	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6520	+ foreach ( $sites as $site ) {
	6521	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6522	+ switch_to_blog( $blog_id );
	6523	+ $roles = array_merge( $roles, get_editable_roles() );
	6524	+ restore_current_blog();
	6525	+ }
	6526	+ $unique_role_names = array();
	6527	+ foreach ( $roles as $role_name => $role_info ) {
	6528	+ if ( array_key_exists( $role_name, $unique_role_names ) ) {
	6529	+ unset( $roles[$role_name] );
	6530	+ } else {
	6531	+ $unique_role_names[$role_name] = true;
	6532	+ }
	6533	+ }
	6534	+ }
	6535	+
	6536	+ // If the currently selected role exists, but is not in the list of roles,
	6537	+ // the current user is not permitted to assign it. Assume they can't edit
	6538	+ // that user's role at all. Return only the one role for the dropdown list.
	6539	+ if ( strlen( $selected_role ) > 0 && ! array_key_exists( $selected_role, $roles ) && ! is_null( get_role( $selected_role ) ) ) {
	6540	+ return;
	6541	+ }
	6542	+
	6543	+ // Print an option element for each permitted role.
	6544	+ foreach ( $roles as $name => $role ) {
	6545	+ $selected = $selected_role === $name ? ' selected="selected"' : '';
	6546	+
	6547	+ // Don't let a user change their own role
	6548	+ $disabled = $selected_role !== $name && $disable_input === 'disabled' ? ' disabled="disabled"' : '';
	6549	+
	6550	+ // But network admins can always change their role.
	6551	+ if ( is_multisite() && current_user_can( 'manage_network' ) ) {
	6552	+ $disabled = '';
	6553	+ }
	6554	+
	6555	+ ?><option value="<?php echo $name; ?>"<?php echo $selected . $disabled; ?>><?php echo $role['name']; ?></option><?php
	6556	+ }
	6557	+
	6558	+ // Print default role (no role).
	6559	+ $selected = strlen( $selected_role ) == 0 || ! array_key_exists( $selected_role, $roles ) ? ' selected="selected"' : '';
	6560	+ $disabled = strlen( $selected_role ) > 0 && $disable_input === 'disabled' ? ' disabled="disabled"' : '';
	6561	+ if ( is_multisite() && current_user_can( 'manage_network' ) ) {
	6562	+ $disabled = '';
	6563	+ }
	6564	+ ?><option value=""<?php echo $selected . $disabled; ?>><?php _e( '&mdash; No role for this site &mdash;', 'authorizer' ); ?></option><?php
	6565	+
	6566	+ }
	6567	+
	6568	+
	6569	+ // Helper function to get a single user info array from one of the
	6570	+ // access control lists (pending, approved, or blocked).
	6571	+ // Returns: false if not found; otherwise
	6572	+ // array( 'email' => '', 'role' => '', 'date_added' => '', ['usermeta' => [''|array()]] );
	6573	+ function get_user_info_from_list( $email, $list ) {
	6574	+ foreach ( $list as $user_info ) {
	6575	+ if ( 0 === strcasecmp( $user_info['email'], $email ) ) {
	6576	+ return $user_info;
	6577	+ }
	6578	+ }
	6579	+ return false;
	6580	+ }
	6581	+
	6582	+ // Helper function to convert a string to lowercase. Prefers to use mb_strtolower,
	6583	+ // but will fall back to strtolower if the former is not available.
	6584	+ // Returns: string in lowercase
	6585	+ function lowercase( $string ) {
	6586	+ return function_exists( "mb_strtolower" ) ? mb_strtolower( $string ) : strtolower( $string );
	6587	+ }
	6588	+
	6589	+
	6590	+ // Helper function to convert seconds to human readable text.
	6591	+ // Source: http://csl.name/php-secs-to-human-text/
	6592	+ function seconds_as_sentence( $secs ) {
	6593	+ $units = array(
	6594	+ "week" => 7 * 24 * 3600,
	6595	+ "day" => 24 * 3600,
	6596	+ "hour" => 3600,
	6597	+ "minute" => 60,
	6598	+ "second" => 1,
	6599	+ );
	6600	+
	6601	+ // specifically handle zero
	6602	+ if ( $secs == 0 ) return "0 seconds";
	6603	+
	6604	+ $s = "";
	6605	+
	6606	+ foreach ( $units as $name => $divisor ) {
	6607	+ if ( $quot = intval( $secs / $divisor ) ) {
	6608	+ $s .= "$quot $name";
	6609	+ $s .= ( abs( $quot ) > 1 ? "s" : "" ) . ", ";
	6610	+ $secs -= $quot * $divisor;
	6611	+ }
	6612	+ }
	6613	+
	6614	+ return substr( $s, 0, -2 );
	6615	+ }
	6616	+
	6617	+ // Helper function to get all available usermeta keys as an array.
	6618	+ function get_all_usermeta_keys() {
	6619	+ global $wpdb;
	6620	+ $usermeta_keys = $wpdb->get_col( "SELECT DISTINCT $wpdb->usermeta.meta_key FROM $wpdb->usermeta" );
	6621	+ return $usermeta_keys;
	6622	+ }
	6623	+
	6624	+
	6625	+ /**
	6626	+ * Load translated strings from *.mo files in /languages.
	6627	+ */
	6628	+ function load_textdomain() {
	6629	+ load_plugin_textdomain(
	6630	+ 'authorizer',
	6631	+ false,
	6632	+ plugin_basename( dirname( __FILE__ ) ) . '/languages'
	6633	+ );
	6634	+ }
	6635	+
	6636	+
	6637	+ /**
	6638	+ * Generate CAS authentication URL (wp-login.php URL with reauth=1 removed
	6639	+ * and external=cas added).
	6640	+ */
	6641	+ function modify_current_url_for_cas_login() {
	6642	+ // Construct the URL of the current page (wp-login.php).
	6643	+ $url = 'http' . ( isset( $_SERVER['HTTPS'] ) ? 's' : '' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
	6644	+
	6645	+ // Parse the URL into its components.
	6646	+ $parsed_url = parse_url( $url );
	6647	+
	6648	+ // Fix up the querystring values (remove reauth, make sure external=cas).
	6649	+ $querystring = array();
	6650	+ if ( array_key_exists( 'query', $parsed_url ) ) {
	6651	+ parse_str( $parsed_url['query'], $querystring );
	6652	+ }
	6653	+ unset( $querystring['reauth'] );
	6654	+ $querystring['external'] = 'cas';
	6655	+ $parsed_url['query'] = http_build_query( $querystring );
	6656	+
	6657	+ // Return the URL as a string.
	6658	+ return $this->unparse_url( $parsed_url );
	6659	+ }
	6660	+
	6661	+
	6662	+ /**
	6663	+ * Reconstruct a URL after it has been deconstructed with parse_url().
	6664	+ * @param $parsed_url array() with keys from parse_url().
	6665	+ * @return string URL constructed from the components in $parsed_url.
	6666	+ */
	6667	+ function unparse_url( $parsed_url = array() ) {
	6668	+ $scheme = isset( $parsed_url['scheme'] ) ? $parsed_url['scheme'] . '://' : '';
	6669	+ $host = isset( $parsed_url['host'] ) ? $parsed_url['host'] : '';
	6670	+ $port = isset( $parsed_url['port'] ) ? ':' . $parsed_url['port'] : '';
	6671	+ $user = isset( $parsed_url['user'] ) ? $parsed_url['user'] : '';
	6672	+ $pass = isset( $parsed_url['pass'] ) ? ':' . $parsed_url['pass'] : '';
	6673	+ $pass = $user || $pass ? "$pass@" : '';
	6674	+ $path = isset( $parsed_url['path'] ) ? $parsed_url['path'] : '';
	6675	+ $query = isset( $parsed_url['query'] ) ? '?' . $parsed_url['query'] : '';
	6676	+ $fragment = isset( $parsed_url['fragment'] ) ? '#' . $parsed_url['fragment'] : '';
	6677	+ return "$scheme$user$pass$host$port$path$query$fragment";
	6678	+ }
	6679	+
	6680	+
	6681	+ /**
	6682	+ * Helper function to generate an HTML class name for an option (used in
	6683	+ * Authorizer Settings in the Approved User list).
	6684	+ * @param string $suffix Unique part of class name
	6685	+ * @param boolean $is_multisite_user Whether the class name should indicate it's a multisite user
	6686	+ * @return string Class name, e.g., "auth-email auth-multisite-email"
	6687	+ */
	6688	+ function create_class_name( $suffix = '', $is_multisite_user = false ) {
	6689	+ return $is_multisite_user ? "auth-$suffix auth-multisite-$suffix" : "auth-$suffix";
	6690	+ }
	6691	+
	6692	+ /**
	6693	+ * Plugin Update Routines.
	6694	+ */
	6695	+ function auth_update_check() {
	6696	+ // Get current version.
	6697	+ $needs_updating = false;
	6698	+ if ( is_multisite() ) {
	6699	+ $auth_version = get_blog_option( $this->current_site_blog_id, 'auth_version' );
	6700	+ } else {
	6701	+ $auth_version = get_option( 'auth_version' );
	6702	+ }
	6703	+
	6704	+ // Update: migrate user lists to own options (addresses concurrency
	6705	+ // when saving plugin options, since user lists are changed often
	6706	+ // and we don't want to overwrite changes to the lists when an
	6707	+ // admin saves all of the plugin options.)
	6708	+ // Note: Pending user list is changed whenever a new user tries to
	6709	+ // log in; approved and blocked lists are changed whenever an admin
	6710	+ // changes them from the multisite panel, the dashboard widget, or
	6711	+ // the plugin options page.
	6712	+ $update_if_older_than = 20140709;
	6713	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6714	+ // Copy single site user lists to new options (if they exist).
	6715	+ $auth_settings = get_option( 'auth_settings' );
	6716	+ if ( is_array( $auth_settings ) && array_key_exists( 'access_users_pending', $auth_settings ) ) {
	6717	+ update_option( 'auth_settings_access_users_pending', $auth_settings['access_users_pending'] );
	6718	+ unset( $auth_settings['access_users_pending'] );
	6719	+ update_option( 'auth_settings', $auth_settings );
	6720	+ }
	6721	+ if ( is_array( $auth_settings ) && array_key_exists( 'access_users_approved', $auth_settings ) ) {
	6722	+ update_option( 'auth_settings_access_users_approved', $auth_settings['access_users_approved'] );
	6723	+ unset( $auth_settings['access_users_approved'] );
	6724	+ update_option( 'auth_settings', $auth_settings );
	6725	+ }
	6726	+ if ( is_array( $auth_settings ) && array_key_exists( 'access_users_blocked', $auth_settings ) ) {
	6727	+ update_option( 'auth_settings_access_users_blocked', $auth_settings['access_users_blocked'] );
	6728	+ unset( $auth_settings['access_users_blocked'] );
	6729	+ update_option( 'auth_settings', $auth_settings );
	6730	+ }
	6731	+ // Copy multisite user lists to new options (if they exist).
	6732	+ if ( is_multisite() ) {
	6733	+ $auth_multisite_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() );
	6734	+ if ( is_array( $auth_multisite_settings ) && array_key_exists( 'access_users_pending', $auth_multisite_settings ) ) {
	6735	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_pending', $auth_multisite_settings['access_users_pending'] );
	6736	+ unset( $auth_multisite_settings['access_users_pending'] );
	6737	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	6738	+ }
	6739	+ if ( is_array( $auth_multisite_settings ) && array_key_exists( 'access_users_approved', $auth_multisite_settings ) ) {
	6740	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings['access_users_approved'] );
	6741	+ unset( $auth_multisite_settings['access_users_approved'] );
	6742	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	6743	+ }
	6744	+ if ( is_array( $auth_multisite_settings ) && array_key_exists( 'access_users_blocked', $auth_multisite_settings ) ) {
	6745	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_blocked', $auth_multisite_settings['access_users_blocked'] );
	6746	+ unset( $auth_multisite_settings['access_users_blocked'] );
	6747	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	6748	+ }
	6749	+ }
	6750	+ // Update version to reflect this change has been made.
	6751	+ $auth_version = $update_if_older_than;
	6752	+ $needs_updating = true;
	6753	+ }
	6754	+
	6755	+ // Update: Set default values for newly added options (forgot to do
	6756	+ // this, so some users are getting debug log notices about undefined
	6757	+ // indexes in $auth_settings).
	6758	+ $update_if_older_than = 20160831;
	6759	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6760	+ // Provide default values for any $auth_settings options that don't exist.
	6761	+ if ( is_multisite() ) {
	6762	+ // Get all blog ids
	6763	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6764	+ foreach ( $sites as $site ) {
	6765	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6766	+ switch_to_blog( $blog_id );
	6767	+ // Set meaningful defaults for other sites in the network.
	6768	+ $this->set_default_options();
	6769	+ // Switch back to original blog. See: https://codex.wordpress.org/Function_Reference/restore_current_blog
	6770	+ restore_current_blog();
	6771	+ }
	6772	+ } else {
	6773	+ // Set meaningful defaults for this site.
	6774	+ $this->set_default_options();
	6775	+ }
	6776	+ // Update version to reflect this change has been made.
	6777	+ $auth_version = $update_if_older_than;
	6778	+ $needs_updating = true;
	6779	+ }
	6780	+
	6781	+ // Update: Migrate LDAP passwords encrypted with mcrypt since mcrypt is
	6782	+ // deprecated as of PHP 7.1. Use openssl library instead.
	6783	+ $update_if_older_than = 20170510;
	6784	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6785	+ if ( is_multisite() ) {
	6786	+ // Reencrypt LDAP passwords in each site in the network.
	6787	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6788	+ foreach ( $sites as $site ) {
	6789	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6790	+ $auth_settings = get_blog_option( $blog_id, 'auth_settings', array() );
	6791	+ if ( array_key_exists( 'ldap_password', $auth_settings ) && strlen( $auth_settings['ldap_password'] ) > 0 ) {
	6792	+ $plaintext_ldap_password = $this->decrypt( $auth_settings['ldap_password'], 'mcrypt' );
	6793	+ $auth_settings['ldap_password'] = $this->encrypt( $plaintext_ldap_password );
	6794	+ update_blog_option( $blog_id, 'auth_settings', $auth_settings );
	6795	+ }
	6796	+ }
	6797	+ } else {
	6798	+ // Reencrypt LDAP password on this single-site install.
	6799	+ $auth_settings = get_option( 'auth_settings', array() );
	6800	+ if ( array_key_exists( 'ldap_password', $auth_settings ) && strlen( $auth_settings['ldap_password'] ) > 0 ) {
	6801	+ $plaintext_ldap_password = $this->decrypt( $auth_settings['ldap_password'], 'mcrypt' );
	6802	+ $auth_settings['ldap_password'] = $this->encrypt( $plaintext_ldap_password );
	6803	+ update_option( 'auth_settings', $auth_settings );
	6804	+ }
	6805	+ }
	6806	+ // Update version to reflect this change has been made.
	6807	+ $auth_version = $update_if_older_than;
	6808	+ $needs_updating = true;
	6809	+ }
	6810	+
	6811	+ // Update: Migrate LDAP passwords encrypted with mcrypt since mcrypt is
	6812	+ // deprecated as of PHP 7.1. Use openssl library instead.
	6813	+ // Note: Forgot to update the auth_multisite_settings ldap password! Do it here.
	6814	+ $update_if_older_than = 20170511;
	6815	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6816	+ if ( is_multisite() ) {
	6817	+ // Reencrypt LDAP password in network (multisite) options.
	6818	+ $auth_multisite_settings = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', array() );
	6819	+ if ( array_key_exists( 'ldap_password', $auth_multisite_settings ) && strlen( $auth_multisite_settings['ldap_password'] ) > 0 ) {
	6820	+ $plaintext_ldap_password = $this->decrypt( $auth_multisite_settings['ldap_password'], 'mcrypt' );
	6821	+ $auth_multisite_settings['ldap_password'] = $this->encrypt( $plaintext_ldap_password );
	6822	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings', $auth_multisite_settings );
	6823	+ }
	6824	+ }
	6825	+ // Update version to reflect this change has been made.
	6826	+ $auth_version = $update_if_older_than;
	6827	+ $needs_updating = true;
	6828	+ }
	6829	+
	6830	+ // Update: Remove duplicates from approved list caused by authorizer_automatically_approve_login
	6831	+ // filter not respecting users who are already in the approved list
	6832	+ // (causing them to get re-added each time they logged in).
	6833	+ $update_if_older_than = 20170711;
	6834	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6835	+ // Remove duplicates from approved user lists.
	6836	+ if ( is_multisite() ) {
	6837	+ // Remove duplicates from each site in the multisite
	6838	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6839	+ foreach ( $sites as $site ) {
	6840	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6841	+ $auth_settings_access_users_approved = get_blog_option( $blog_id, 'auth_settings_access_users_approved', array() );
	6842	+ if ( is_array( $auth_settings_access_users_approved ) ) {
	6843	+ $should_update = false;
	6844	+ $distinct_emails = array();
	6845	+ foreach ( $auth_settings_access_users_approved as $key => $user ) {
	6846	+ if ( in_array( $user['email'], $distinct_emails ) ) {
	6847	+ $should_update = true;
	6848	+ unset( $auth_settings_access_users_approved[$key] );
	6849	+ } else {
	6850	+ $distinct_emails[] = $user['email'];
	6851	+ }
	6852	+ }
	6853	+ if ( $should_update ) {
	6854	+ update_blog_option( $blog_id, 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	6855	+ }
	6856	+ }
	6857	+ }
	6858	+ // Remove duplicates from multisite approved user list.
	6859	+ $auth_multisite_settings_access_users_approved = get_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', array() );
	6860	+ if ( is_array( $auth_multisite_settings_access_users_approved ) ) {
	6861	+ $should_update = false;
	6862	+ $distinct_emails = array();
	6863	+ foreach ( $auth_multisite_settings_access_users_approved as $key => $user ) {
	6864	+ if ( in_array( $user['email'], $distinct_emails ) ) {
	6865	+ $should_update = true;
	6866	+ unset( $auth_multisite_settings_access_users_approved[$key] );
	6867	+ } else {
	6868	+ $distinct_emails[] = $user['email'];
	6869	+ }
	6870	+ }
	6871	+ if ( $should_update ) {
	6872	+ update_blog_option( $this->current_site_blog_id, 'auth_multisite_settings_access_users_approved', $auth_multisite_settings_access_users_approved );
	6873	+ }
	6874	+ }
	6875	+ } else {
	6876	+ // Remove duplicates from single site approved user list.
	6877	+ $auth_settings_access_users_approved = get_option( 'auth_settings_access_users_approved' );
	6878	+ if ( is_array( $auth_settings_access_users_approved ) ) {
	6879	+ $should_update = false;
	6880	+ $distinct_emails = array();
	6881	+ foreach ( $auth_settings_access_users_approved as $key => $user ) {
	6882	+ if ( in_array( $user['email'], $distinct_emails ) ) {
	6883	+ $should_update = true;
	6884	+ unset( $auth_settings_access_users_approved[$key] );
	6885	+ } else {
	6886	+ $distinct_emails[] = $user['email'];
	6887	+ }
	6888	+ }
	6889	+ if ( $should_update ) {
	6890	+ update_option( 'auth_settings_access_users_approved', $auth_settings_access_users_approved );
	6891	+ }
	6892	+ }
	6893	+ }
	6894	+ // Update version to reflect this change has been made.
	6895	+ $auth_version = $update_if_older_than;
	6896	+ $needs_updating = true;
	6897	+ }
	6898	+
	6899	+ // Update: Set default value for newly added option advanced_widget_enabled.
	6900	+ $update_if_older_than = 20171023;
	6901	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6902	+ // Provide default values for any $auth_settings options that don't exist.
	6903	+ if ( is_multisite() ) {
	6904	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6905	+ foreach ( $sites as $site ) {
	6906	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6907	+ switch_to_blog( $blog_id );
	6908	+ $this->set_default_options();
	6909	+ restore_current_blog();
	6910	+ }
	6911	+ } else {
	6912	+ $this->set_default_options();
	6913	+ }
	6914	+ // Update version to reflect this change has been made.
	6915	+ $auth_version = $update_if_older_than;
	6916	+ $needs_updating = true;
	6917	+ }
	6918	+
	6919	+ // Update: Set default value for newly added option advanced_users_per_page.
	6920	+ $update_if_older_than = 20171215;
	6921	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6922	+ // Provide default values for any $auth_settings options that don't exist.
	6923	+ if ( is_multisite() ) {
	6924	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6925	+ foreach ( $sites as $site ) {
	6926	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6927	+ switch_to_blog( $blog_id );
	6928	+ $this->set_default_options();
	6929	+ restore_current_blog();
	6930	+ }
	6931	+ } else {
	6932	+ $this->set_default_options();
	6933	+ }
	6934	+ // Update version to reflect this change has been made.
	6935	+ $auth_version = $update_if_older_than;
	6936	+ $needs_updating = true;
	6937	+ }
	6938	+
	6939	+ // Update: Set default value for newly added options advanced_users_sort_by and advanced_users_sort_order.
	6940	+ $update_if_older_than = 20171219;
	6941	+ if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6942	+ // Provide default values for any $auth_settings options that don't exist.
	6943	+ if ( is_multisite() ) {
	6944	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6945	+ foreach ( $sites as $site ) {
	6946	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6947	+ switch_to_blog( $blog_id );
	6948	+ $this->set_default_options();
	6949	+ restore_current_blog();
	6950	+ }
	6951	+ } else {
	6952	+ $this->set_default_options();
	6953	+ }
	6954	+ // Update version to reflect this change has been made.
	6955	+ $auth_version = $update_if_older_than;
	6956	+ $needs_updating = true;
	6957	+ }
	6958	+
	6959	+ // // Update: TEMPLATE
	6960	+ // $update_if_older_than = YYYYMMDD;
	6961	+ // if ( $auth_version === false || intval( $auth_version ) < $update_if_older_than ) {
	6962	+ // UPDATE CODE HERE
	6963	+ // // Update version to reflect this change has been made.
	6964	+ // $auth_version = $update_if_older_than;
	6965	+ // $needs_updating = true;
	6966	+ // }
	6967	+
	6968	+ // Save new version number if we performed any updates.
	6969	+ if ( $needs_updating ) {
	6970	+ if ( is_multisite() ) {
	6971	+ $sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites( array( 'limit' => PHP_INT_MAX ) );
	6972	+ foreach ( $sites as $site ) {
	6973	+ $blog_id = function_exists( 'get_sites' ) ? $site->blog_id : $site['blog_id'];
	6974	+ update_blog_option( $blog_id, 'auth_version', $auth_version );
	6975	+ }
	6976	+ } else {
	6977	+ update_option( 'auth_version', $auth_version );
	6978	+ }
	6979	+ }
	6980	+ }
	6981	+
	6982	+ }
68	6983	}
69	6984
70	6985	// Instantiate the plugin class.
71		-WP_Plugin_Authorizer::get_instance();
	6986	+$wp_plugin_authorizer = new WP_Plugin_Authorizer();