← All changes | mailchimp.php +721 -1262 1.4.2 → trunk View file →

		@@ -1,89 +1,179 @@
1	1	<?php
2		-/*
3		-Plugin Name: MailChimp
4		-Plugin URI: http://www.mailchimp.com/plugins/mailchimp-wordpress-plugin/
5		-Description: The MailChimp plugin allows you to quickly and easily add a signup form for your MailChimp list.
6		-Version: 1.4.2
7		-Author: MailChimp and Crowd Favorite
8		-Author URI: http://mailchimp.com/api/
9		-*/
10		-/* Copyright 2008-2012 MailChimp.com (email : api@mailchimp.com)
	2	+/**
	3	+ * Plugin Name: Mailchimp
	4	+ * Plugin URI: https://mailchimp.com/help/connect-or-disconnect-list-subscribe-for-wordpress/
	5	+ * Description: Add a Mailchimp signup form block, widget or shortcode to your WordPress site.
	6	+ * Text Domain: mailchimp
	7	+ * Version: 2.1.0
	8	+ * Requires at least: 6.6
	9	+ * Requires PHP: 7.4
	10	+ * PHP tested up to: 8.3
	11	+ * Author: Mailchimp
	12	+ * Author URI: https://mailchimp.com/
	13	+ * License: GPL-2.0-or-later
	14	+ * License URI: https://spdx.org/licenses/GPL-2.0-or-later.html
	15	+ *
	16	+ * @package Mailchimp
	17	+ **/
11	18
12		- This program is free software; you can redistribute it and/or modify
13		- it under the terms of the GNU General Public License as published by
14		- the Free Software Foundation; either version 2 of the License, or
15		- (at your option) any later version.
	19	+/**
	20	+ * Copyright 2008-2012 Mailchimp.com (email : api@mailchimp.com)
	21	+ *
	22	+ * This program is free software; you can redistribute it and/or modify
	23	+ * it under the terms of the GNU General Public License as published by
	24	+ * the Free Software Foundation; either version 2 of the License, or
	25	+ * (at your option) any later version.
	26	+ *
	27	+ * This program is distributed in the hope that it will be useful,
	28	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	29	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	30	+ * GNU General Public License for more details.
	31	+ *
	32	+ * You should have received a copy of the GNU General Public License
	33	+ * along with this program; if not, write to the Free Software
	34	+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	35	+ */
16	36
17		- This program is distributed in the hope that it will be useful,
18		- but WITHOUT ANY WARRANTY; without even the implied warranty of
19		- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20		- GNU General Public License for more details.
	37	+// Check if the autoload file exists
	38	+if ( is_readable( __DIR__ . '/vendor/autoload.php' ) ) {
	39	+ require_once __DIR__ . '/vendor/autoload.php';
	40	+} else {
	41	+ add_action(
	42	+ 'admin_notices',
	43	+ function () {
	44	+ ?>
	45	+ <div class="notice notice-error">
	46	+ <p>
	47	+ <?php
	48	+ echo wp_kses_post(
	49	+ sprintf(
	50	+ /* translators: 1: Command to run, e.g., <code>composer install</code>, 2: Support URL, e.g., https://wordpress.org/support/plugin/mailchimp/. */
	51	+ __( 'The composer autoload file is not found or not readable. Please contact <a href="%2$s" target="_blank">support</a> if you\'re a user. Please run %1$s if you\'re a developer in a development environment.', 'mailchimp' ),
	52	+ '<code>composer install</code>',
	53	+ 'https://wordpress.org/support/plugin/mailchimp/'
	54	+ )
	55	+ );
	56	+ ?>
	57	+ </p>
	58	+ </div>
	59	+ <?php
	60	+ }
	61	+ );
21	62
22		- You should have received a copy of the GNU General Public License
23		- along with this program; if not, write to the Free Software
24		- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25		-*/
	63	+ // Exit early.
	64	+ return;
	65	+}
26	66
	67	+use function Mailchimp\WordPress\Includes\Admin\{admin_notice_error, admin_notice_success};
	68	+
27	69	// Version constant for easy CSS refreshes
28		-define('MCSF_VER', '1.4.2');
	70	+define( 'MCSF_VER', '2.1.0' );
29	71
30	72	// What's our permission (capability) threshold
31		-define('MCSF_CAP_THRESHOLD', 'manage_options');
	73	+define( 'MCSF_CAP_THRESHOLD', 'manage_options' );
32	74
33		-// If Developer mode not defined, make it false
34		-if (! defined('MAILCHIMP_DEV_MODE') ) {
35		- define('MAILCHIMP_DEV_MODE', false);
36		-}
37		-
38	75	// Define our location constants, both MCSF_DIR and MCSF_URL
39		-mailchimpSF_where_am_i();
	76	+mailchimp_sf_where_am_i();
40	77
41		-// Get our MailChimp API class in scope
42		-if (!class_exists('Sopresto_MailChimp')) {
43		- require_once(MCSF_DIR.'lib/sopresto/sopresto.php');
	78	+// Get our Mailchimp API class in scope
	79	+if ( ! class_exists( 'MailChimp_API' ) ) {
	80	+ $path = plugin_dir_path( __FILE__ );
	81	+ require_once $path . 'lib/mailchimp/mailchimp.php';
44	82	}
45	83
	84	+// Encryption utility class.
	85	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-data-encryption.php';
	86	+
46	87	// includes the widget code so it can be easily called either normally or via ajax
47		-include_once('mailchimp_widget.php');
	88	+require_once 'mailchimp_widget.php';
48	89
49	90	// includes the backwards compatibility functions
50		-include_once('mailchimp_compat.php');
	91	+require_once 'mailchimp_compat.php';
51	92
	93	+// Upgrade routines.
	94	+require_once 'mailchimp_upgrade.php';
	95	+
	96	+// Init Admin functions.
	97	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-user-sync-backgroud-process.php';
	98	+require_once plugin_dir_path( __FILE__ ) . 'includes/admin/class-mailchimp-user-sync.php';
	99	+require_once plugin_dir_path( __FILE__ ) . 'includes/admin/class-mailchimp-admin-notices.php';
	100	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-admin.php';
	101	+$admin = new Mailchimp_Admin();
	102	+$admin->init();
	103	+
	104	+// Init the blocks.
	105	+require_once plugin_dir_path( __FILE__ ) . 'includes/blocks/class-mailchimp-list-subscribe-form-blocks.php';
	106	+$block = new Mailchimp_List_Subscribe_Form_Blocks();
	107	+$block->init();
	108	+
	109	+// Form submission handler class.
	110	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-form-submission.php';
	111	+$form_submission = new Mailchimp_Form_Submission();
	112	+$form_submission->init();
	113	+
	114	+// Shared bucketing helpers used by both analytics chart data providers.
	115	+require_once plugin_dir_path( __FILE__ ) . 'includes/trait-mailchimp-analytics-bucketing.php';
	116	+
	117	+// Init Analytics page.
	118	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-analytics.php';
	119	+$analytics = new Mailchimp_Analytics();
	120	+$analytics->init();
	121	+
	122	+// Analytics data class.
	123	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-analytics-data.php';
	124	+$analytics_data = new Mailchimp_Analytics_Data();
	125	+$analytics_data->init();
	126	+
	127	+// Subscriber activity (Mailchimp Activity API) data class.
	128	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-subscriber-activity.php';
	129	+$subscriber_activity = new Mailchimp_Subscriber_Activity();
	130	+$subscriber_activity->init();
	131	+
	132	+// Form performance (local analytics DB) data class.
	133	+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mailchimp-form-performance.php';
	134	+$form_performance = new Mailchimp_Form_Performance();
	135	+$form_performance->init();
	136	+
	137	+// Deprecated functions.
	138	+require_once plugin_dir_path( __FILE__ ) . 'includes/mailchimp-deprecated-functions.php';
	139	+
52	140	/**
53	141	* Do the following plugin setup steps here
54	142	*
55		- * Internationalization
56	143	* Resource (JS & CSS) enqueuing
57	144	*
58	145	* @return void
59	146	*/
60		-function mailchimpSF_plugin_init() {
61		- // Internationalize the plugin
62		- $textdomain = 'mailchimp_i18n';
63		- $locale = apply_filters( 'plugin_locale', get_locale(), $textdomain);
64		- load_textdomain('mailchimp_i18n', MCSF_LANG_DIR.$textdomain.'-'.$locale.'.mo');
	147	+function mailchimp_sf_plugin_init() {
65	148
66		- // Bring in our appropriate JS and CSS resources
67		- mailchimpSF_load_resources();
	149	+ if ( get_option( 'mc_list_id' ) && get_option( 'mc_merge_field_migrate' ) !== '1' && mailchimp_sf_get_api() !== false ) {
	150	+ mailchimp_sf_update_merge_fields();
	151	+ }
	152	+
	153	+ if ( mailchimp_sf_should_display_form() ) {
	154	+ // Bring in our appropriate JS and CSS resources
	155	+ add_action( 'wp_enqueue_scripts', 'mailchimp_sf_load_resources' );
	156	+ }
68	157	}
69		-add_action( 'init', 'mailchimpSF_plugin_init' );
70	158
	159	+add_action( 'init', 'mailchimp_sf_plugin_init' );
71	160
72	161	/**
73		- * Add the settings link to the MailChimp plugin row
	162	+ * Add the settings link to the Mailchimp plugin row
74	163	*
75	164	* @param array $links - Links for the plugin
76	165	* @return array - Links
77	166	*/
78		-function mailchimpSD_plugin_action_links($links) {
79		- $settings_page = add_query_arg(array('page' => 'mailchimpSF_options'), admin_url('options-general.php'));
80		- $settings_link = '<a href="'.esc_url($settings_page).'">'.__('Settings', 'mailchimp_i18n' ).'</a>';
81		- array_unshift($links, $settings_link);
	167	+function mailchimp_sf_plugin_action_links( $links ) {
	168	+ $settings_page = add_query_arg( array( 'page' => 'mailchimp_sf_options' ), admin_url( 'admin.php' ) );
	169	+ $settings_link = '<a href="' . esc_url( $settings_page ) . '">' . esc_html__( 'Settings', 'mailchimp' ) . '</a>';
	170	+ array_unshift( $links, $settings_link );
82	171	return $links;
83	172	}
84		-add_filter('plugin_action_links_'.plugin_basename(__FILE__), 'mailchimpSD_plugin_action_links', 10, 1);
85	173
	174	+add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), 'mailchimp_sf_plugin_action_links', 10, 1 );
	175	+
86	176	/**
87	177	* Loads the appropriate JS and CSS resources depending on
88	178	* settings and context (admin or not)
89	179	*
		@@ -88,357 +178,153 @@
88	178	* settings and context (admin or not)
89	179	*
90	180	* @return void
91	181	*/
92		-function mailchimpSF_load_resources() {
	182	+function mailchimp_sf_load_resources() {
93	183	// JS
94		- if (get_option('mc_use_javascript') == 'on') {
95		- if (!is_admin()) {
96		- wp_enqueue_script('jquery_scrollto', MCSF_URL.'js/scrollTo.js', array('jquery'), MCSF_VER);
97		- wp_enqueue_script('mailchimpSF_main_js', MCSF_URL.'js/mailchimp.js', array('jquery', 'jquery-form'), MCSF_VER);
98		- // some javascript to get ajax version submitting to the proper location
99		- global $wp_scripts;
100		- $wp_scripts->localize('mailchimpSF_main_js', 'mailchimpSF', array(
101		- 'ajax_url' => trailingslashit(home_url()),
102		- ));
103		- }
104		- }
	184	+ wp_enqueue_script( 'mailchimp_sf_main_js', MCSF_URL . 'assets/js/mailchimp.js', array( 'jquery', 'jquery-form', 'jquery-ui-datepicker' ), MCSF_VER, true );
	185	+ // some javascript to get ajax version submitting to the proper location
	186	+ global $wp_scripts;
	187	+ $localize_data = array(
	188	+ 'ajax_url' => trailingslashit( home_url() ),
	189	+ 'phone_validation_error' => esc_html__( 'Please enter a valid phone number.', 'mailchimp' ),
	190	+ );
105	191
106		- if (get_option('mc_use_datepicker') == 'on' && !is_admin()) {
107		- // Datepicker theme
108		- wp_enqueue_style('flick', MCSF_URL.'/css/flick/flick.css');
109		- // Datepicker JS
110		- wp_enqueue_script('datepicker', MCSF_URL.'/js/datepicker.js', array('jquery','jquery-ui-core'));
	192	+ if ( ! is_admin() ) {
	193	+ $localize_data['analytics_ajax_url'] = admin_url( 'admin-ajax.php' );
	194	+ $localize_data['analytics_nonce'] = wp_create_nonce( 'mailchimp_sf_analytics_nonce' );
111	195	}
112	196
113		- wp_enqueue_style('mailchimpSF_main_css', home_url('?mcsf_action=main_css&ver='.MCSF_VER));
114		- wp_enqueue_style('mailchimpSF_ie_css', MCSF_URL.'css/ie.css');
115		- global $wp_styles;
116		- $wp_styles->add_data( 'mailchimpSF_ie_css', 'conditional', 'IE' );
117		-}
	197	+ $wp_scripts->localize(
	198	+ 'mailchimp_sf_main_js',
	199	+ 'mailchimpSF',
	200	+ $localize_data
	201	+ );
118	202
	203	+ // Datepicker theme
	204	+ wp_enqueue_style( 'flick', MCSF_URL . 'assets/css/flick/flick.css', array(), MCSF_VER );
119	205
120		-/**
121		- * Loads resources for the MailChimp admin page
122		- *
123		- * @return void
124		- */
125		-function mc_admin_page_load_resources() {
126		- wp_enqueue_style('mailchimpSF_admin_css', MCSF_URL.'css/admin.css');
127		- wp_enqueue_script('mailchimpSF_admin_js', MCSF_URL.'js/admin.js');
128		-}
129		-add_action('load-settings_page_mailchimpSF_options', 'mc_admin_page_load_resources');
	206	+ // CSS
	207	+ if ( get_option( 'mc_nuke_all_styles' ) !== '1' ) {
	208	+ wp_enqueue_style( 'mailchimp_sf_main_css', MCSF_URL . 'assets/css/frontend.css', array(), MCSF_VER );
130	209
131		-
132		-/**
133		- * Loads jQuery Datepicker for the date-pick class
134		- **/
135		-function mc_datepicker_load() {
136		-?>
137		- <script type="text/javascript">
138		- jQuery(function($) {
139		- $('.date-pick').each(function() {
140		- var format = $(this).data('format') || 'mm/dd/yyyy';
141		- format = format.replace(/yyyy/i, 'yy');
142		- $(this).datepicker({
143		- autoFocusNextInput: true,
144		- constrainInput: false,
145		- changeMonth: true,
146		- changeYear: true,
147		- beforeShow: function(input, inst) { $('#ui-datepicker-div').addClass('show'); },
148		- dateFormat: format.toLowerCase(),
149		- });
150		- });
151		- d = new Date();
152		- $('.birthdate-pick').each(function() {
153		- var format = $(this).data('format') || 'mm/dd';
154		- format = format.replace(/yyyy/i, 'yy');
155		- $(this).datepicker({
156		- autoFocusNextInput: true,
157		- constrainInput: false,
158		- changeMonth: true,
159		- changeYear: false,
160		- minDate: new Date(d.getFullYear(), 1-1, 1),
161		- maxDate: new Date(d.getFullYear(), 12-1, 31),
162		- beforeShow: function(input, inst) { $('#ui-datepicker-div').removeClass('show'); },
163		- dateFormat: format.toLowerCase(),
164		- });
165		-
166		- });
167		-
168		- });
169		- </script>
170		- <?php
171		-}
172		-if (get_option('mc_use_datepicker') == 'on' && !is_admin()) {
173		- add_action('wp_head', 'mc_datepicker_load');
174		-}
175		-
176		-/**
177		- * Handles requests that as light-weight a load as possible.
178		- * typically, JS or CSS
179		- **/
180		-function mailchimpSF_early_request_handler() {
181		- if (isset($_GET['mcsf_action'])) {
182		- switch ($_GET['mcsf_action']) {
183		- case 'main_css':
184		- header("Content-type: text/css");
185		- mailchimpSF_main_css();
186		- exit;
187		- case 'authorize':
188		- mailchimpSF_authorize();
189		- break;
190		- case 'authorized':
191		- mailchimpSF_authorized();
192		- break;
	210	+ // Backwards compatibility. TODO: Remove this in a future version.
	211	+ if ( get_option( 'mc_custom_style' ) === 'on' ) {
	212	+ $custom_css = mailchimp_sf_custom_style_css();
	213	+ wp_add_inline_style( 'mailchimp_sf_main_css', $custom_css );
193	214	}
194	215	}
195	216	}
196		-add_action('init', 'mailchimpSF_early_request_handler', 0);
197	217
198	218	/**
199		- * Outputs the front-end CSS. This checks several options, so it
200		- * was best to put it in a Request-handled script, as opposed to
201		- * a static file.
	219	+ * Custom styles CSS
	220	+ *
	221	+ * @return string
202	222	*/
203		-function mailchimpSF_main_css() {
	223	+function mailchimp_sf_custom_style_css() {
	224	+ ob_start();
204	225	?>
205		- .mc_error_msg {
206		- color: red;
207		- margin-bottom: 1.0em;
208		- }
209		- .mc_success_msg {
210		- color: green;
211		- margin-bottom: 1.0em;
212		- }
213		- .mc_merge_var{
214		- padding:0;
215		- margin:0;
216		- }
217		-<?php
218		-// If we're utilizing custom styles
219		-if (get_option('mc_custom_style')=='on'){
220		- ?>
221		- #mc_signup_form {
	226	+ .mc_signup_form {
222	227	padding:5px;
223		- border-width: <?php echo get_option('mc_form_border_width'); ?>px;
224		- border-style: <?php echo (get_option('mc_form_border_width')==0) ? 'none' : 'solid'; ?>;
225		- border-color: #<?php echo get_option('mc_form_border_color'); ?>;
226		- color: #<?php echo get_option('mc_form_text_color'); ?>;
227		- background-color: #<?php echo get_option('mc_form_background'); ?>;
	228	+ border-width: <?php echo absint( get_option( 'mc_form_border_width' ) ); ?>px;
	229	+ border-style: <?php echo ( get_option( 'mc_form_border_width' ) === 0 ) ? 'none' : 'solid'; ?>;
	230	+ border-color: #<?php echo esc_attr( get_option( 'mc_form_border_color' ) ); ?>;
	231	+ color: #<?php echo esc_attr( get_option( 'mc_form_text_color' ) ); ?>;
	232	+ background-color: #<?php echo esc_attr( get_option( 'mc_form_background' ) ); ?>;
228	233	}
229		-
230		-
231		- .mc_custom_border_hdr {
232		- border-width: <?php echo get_option('mc_header_border_width'); ?>px;
233		- border-style: <?php echo (get_option('mc_header_border_width')==0) ? 'none' : 'solid'; ?>;
234		- border-color: #<?php echo get_option('mc_header_border_color'); ?>;
235		- color: #<?php echo get_option('mc_header_text_color'); ?>;
236		- background-color: #<?php echo get_option('mc_header_background'); ?>;
237		- <!-- font-size: 1.2em;-->
238		- padding:5px 10px;
239		- width: 100%;
240		- }
241	234	<?php
	235	+ return ob_get_clean();
242	236	}
243		-?>
244		- #mc_signup_container {}
245		- #mc_signup_form {}
246		- #mc_signup_form .mc_var_label {}
247		- #mc_signup_form .mc_input {}
248		- #mc-indicates-required {
249		- width:100%;
250		- }
251		- #mc_display_rewards {}
252		- .mc_interests_header {
253		- font-weight:bold;
254		- }
255		- div.mc_interest{
256		- width:100%;
257		- }
258		- #mc_signup_form input.mc_interest {}
259		- #mc_signup_form select {}
260		- #mc_signup_form label.mc_interest_label {
261		- display:inline;
262		- }
263		- .mc_signup_submit {
264		- text-align:center;
265		- }
266		- ul.mc_list {
267		- list-style-type: none;
268		- }
269		- ul.mc_list li {
270		- font-size: 12px;
271		- }
272		- #ui-datepicker-div .ui-datepicker-year {
273		- display: none;
274		- }
275		- #ui-datepicker-div.show .ui-datepicker-year {
276		- display: inline;
277		- padding-left: 3px
278		- }
279		- <?php
280		-}
281	237
282		-
283	238	/**
284		- * Add our settings page to the admin menu
	239	+ * Request handler
285	240	*
286	241	* @return void
287	242	*/
288		-function mailchimpSF_add_pages(){
289		- // Add settings page for users who can edit plugins
290		- add_options_page( __( 'MailChimp Setup', 'mailchimp_i18n' ), __( 'MailChimp Setup', 'mailchimp_i18n' ), MCSF_CAP_THRESHOLD, 'mailchimpSF_options', 'mailchimpSF_setup_page');
291		-}
292		-add_action('admin_menu', 'mailchimpSF_add_pages');
293		-
294		-function mailchimpSF_request_handler() {
295		- if (isset($_POST['mcsf_action'])) {
296		- switch ($_POST['mcsf_action']) {
	243	+function mailchimp_sf_request_handler() {
	244	+ if ( isset( $_POST['mcsf_action'] ) ) {
	245	+ switch ( $_POST['mcsf_action'] ) {
297	246	case 'logout':
298	247	// Check capability & Verify nonce
299		- if (!current_user_can(MCSF_CAP_THRESHOLD) || !wp_verify_nonce($_POST['_mcsf_nonce_action'], 'mc_logout')) {
300		- wp_die('Cheatin&rsquo; huh?');
	248	+ if (
	249	+ ! current_user_can( MCSF_CAP_THRESHOLD ) ||
	250	+ ! isset( $_POST['_mcsf_nonce_action'] ) ||
	251	+ ! wp_verify_nonce( sanitize_key( $_POST['_mcsf_nonce_action'] ), 'mc_logout' )
	252	+ ) {
	253	+ wp_die( 'Cheatin&rsquo; huh?' );
301	254	}
302	255
303	256	// erase auth information
304		- delete_option('mc_sopresto_user');
305		- delete_option('mc_sopresto_public_key');
306		- delete_option('mc_sopresto_secret_key');
	257	+ $options = array( 'mc_api_key', 'mailchimp_sf_access_token', 'mc_datacenter', 'mailchimp_sf_auth_error', 'mailchimp_sf_waiting_for_login' );
	258	+ mailchimp_sf_delete_options( $options );
307	259	break;
308		- case 'reset_list':
309		- // Check capability & Verify nonce
310		- if (!current_user_can(MCSF_CAP_THRESHOLD) || !wp_verify_nonce($_POST['_mcsf_nonce_action'], 'reset_mailchimp_list')) {
311		- wp_die('Cheatin&rsquo; huh?');
312		- }
313		-
314		- mailchimpSF_reset_list_settings();
315		- break;
316	260	case 'change_form_settings':
317		- if (!current_user_can(MCSF_CAP_THRESHOLD) || !wp_verify_nonce($_POST['_mcsf_nonce_action'], 'update_general_form_settings')) {
318		- wp_die('Cheatin&rsquo; huh?');
	261	+ if (
	262	+ ! current_user_can( MCSF_CAP_THRESHOLD ) ||
	263	+ ! isset( $_POST['_mcsf_nonce_action'] ) ||
	264	+ ! wp_verify_nonce( sanitize_key( $_POST['_mcsf_nonce_action'] ), 'update_general_form_settings' )
	265	+ ) {
	266	+ wp_die( 'Cheatin&rsquo; huh?' );
319	267	}
320	268
321	269	// Update the form settings
322		- mailchimpSF_save_general_form_settings();
	270	+ mailchimp_sf_save_general_form_settings();
323	271	break;
324		- case 'mc_submit_signup_form':
325		- // Validate nonce
326		- if (!wp_verify_nonce($_POST['_mc_submit_signup_form_nonce'], 'mc_submit_signup_form')) {
327		- wp_die('Cheatin&rsquo; huh?');
328		- }
329		-
330		- // Attempt the signup
331		- mailchimpSF_signup_submit();
332		-
333		- // Do a different action for html vs. js
334		- switch ($_POST['mc_submit_type']) {
335		- case 'html':
336		- /* Allow to fall through. The widget will pick up the
337		- * global message left over from the signup_submit function */
338		- break;
339		- case 'js':
340		- if (!headers_sent()){ //just in case...
341		- header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT', true, 200);
342		- }
343		- echo mailchimpSF_global_msg(); // Don't esc_html this, b/c we've already escaped it
344		- exit;
345		- }
346	272	}
347	273	}
348	274	}
349		-add_action('init', 'mailchimpSF_request_handler');
	275	+add_action( 'init', 'mailchimp_sf_request_handler' );
350	276
351		-function mailchimpSF_auth_nonce_key($salt = null) {
352		- if (is_null($salt)) {
353		- $salt = mailchimpSF_auth_nonce_salt();
354		- }
355		- return 'social_authentication' . md5( AUTH_KEY . $salt );
	277	+/**
	278	+ * Update merge fields
	279	+ *
	280	+ * @return void
	281	+ */
	282	+function mailchimp_sf_update_merge_fields() {
	283	+ mailchimp_sf_get_merge_vars( get_option( 'mc_list_id' ), true );
	284	+ mailchimp_sf_get_interest_categories( get_option( 'mc_list_id' ), true );
	285	+ update_option( 'mc_merge_field_migrate', true );
356	286	}
357	287
358		-function mailchimpSF_auth_nonce_salt() {
359		- return md5(microtime().$_SERVER['SERVER_ADDR']);
360		-}
361		-
362		-function mailchimpSF_authorize() {
363		- $api = mailchimpSF_get_api(true);
364		- $proxy = apply_filters('mailchimp_authorize_url', $api->getApiUrl('authorize'));
365		- if (strpos($proxy, 'socialize-this') !== false) {
366		- $salt = mailchimpSF_auth_nonce_salt();
367		- $id = mailchimpSF_create_nonce( mailchimpSF_auth_nonce_key( $salt ) );
368		-
369		- $url = home_url('index.php');
370		- $args = array(
371		- 'mcsf_action' => 'authorized',
372		- 'salt' => $salt,
373		- 'user_id' => get_current_user_id(),
374		- );
375		-
376		- $proxy = add_query_arg(array(
377		- 'id' => $id,
378		- 'response_url' => urlencode(add_query_arg($args, $url))
379		- ), $proxy);
380		-
381		- $proxy = apply_filters('mailchimp_proxy_url', $proxy);
	288	+/**
	289	+ * Get auth key
	290	+ *
	291	+ * @param mixed $salt Salt
	292	+ * @return string
	293	+ */
	294	+function mailchimp_sf_auth_nonce_key( $salt = null ) {
	295	+ if ( is_null( $salt ) ) {
	296	+ $salt = mailchimp_sf_auth_nonce_salt();
382	297	}
383		-
384		- wp_redirect($proxy);
385		- exit;
	298	+ return 'social_authentication' . md5( AUTH_KEY . $salt );
386	299	}
387	300
388		-function mailchimpSF_authorized() {
389		- // User ID on the request? Must be set before nonce comparison
390		- $user_id = stripslashes($_GET['user_id']);
391		- if ($user_id !== null) {
392		- wp_set_current_user($user_id);
393		- }
394		-
395		- $nonce = stripslashes($_POST['id']);
396		- $salt = stripslashes($_GET['salt']);
397		-
398		- if (mailchimpSF_verify_nonce( $nonce, mailchimpSF_auth_nonce_key( $salt ) ) === false) {
399		- wp_die('Cheatin&rsquo; huh?');
400		- }
401		-
402		- $response = stripslashes_deep($_POST['response']);
403		-
404		- if (!isset($response['keys']) || !isset($response['user'])) {
405		- wp_die('Something went wrong, please try again');
406		- }
407		-
408		- update_option('mc_sopresto_user', $response['user']);
409		- update_option('mc_sopresto_dc', $response['dc']);
410		- update_option('mc_sopresto_public_key', $response['keys']['public']);
411		- update_option('mc_sopresto_secret_key', $response['keys']['secret']);
412		- exit;
413		-}
414		-
415	301	/**
416		- * Upgrades data if it needs to. Checks on admin_init
	302	+ * Return auth nonce salt
417	303	*
418		- * @return void
	304	+ * @return string
419	305	*/
420		-function mailchimpSF_upgrade() {
421		- // See if we need an upgrade
422		- if (mailchimpSF_needs_upgrade()) {
423		- // remove password option if it's set (0.5)
424		- // Update interest group data
425		- mailchimpSF_do_upgrade();
426		- }
	306	+function mailchimp_sf_auth_nonce_salt() {
	307	+ return md5( microtime() . isset( $_SERVER['SERVER_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_ADDR'] ) ) : '' );
427	308	}
428		-add_action('admin_init', 'mailchimpSF_upgrade');
429	309
430	310	/**
431		- * Creates new Sopresto API object
	311	+ * Creates new Mailchimp API v3 object
432	312	*
433		- * @return Sopresto_MailChimp|false
	313	+ * @return MailChimp_API | false
434	314	*/
435		-function mailchimpSF_get_api($force = false) {
436		- $public_key = get_option('mc_sopresto_public_key');
437		- $secret_key = get_option('mc_sopresto_secret_key');
	315	+function mailchimp_sf_get_api() {
	316	+ // Check for the access token first.
	317	+ $access_token = mailchimp_sf_get_access_token();
	318	+ $data_center = get_option( 'mc_datacenter' );
	319	+ if ( ! empty( $access_token ) && ! empty( $data_center ) ) {
	320	+ return new MailChimp_API( $access_token, $data_center );
	321	+ }
438	322
439		- if ($public_key && $secret_key || $force) {
440		- return new Sopresto_MailChimp($public_key, $secret_key, '1.3');
	323	+ // Check for the API key if the access token is not available.
	324	+ $key = get_option( 'mc_api_key' );
	325	+ if ( $key ) {
	326	+ return new MailChimp_API( $key );
441	327	}
442	328
443	329	return false;
444	330	}
		@@ -448,116 +334,80 @@
448	334	* to upgrade to the API key
449	335	*
450	336	* @return bool
451	337	**/
452		-function mailchimpSF_needs_upgrade() {
453		- $igs = get_option('mc_interest_groups');
	338	+function mailchimp_sf_needs_upgrade() {
	339	+ $igs = get_option( 'mc_interest_groups' );
454	340
455		- if ($igs !== false // we have an option
	341	+ if ( false !== $igs // we have an option
456	342	&& (
457		- empty($igs) || // it can be an empty array (no interest groups)
458		- (is_array($igs) && isset($igs[0]['id'])) // OR it should be a populated array that's well-formed
459		- )) {
	343	+ empty( $igs ) || // it can be an empty array (no interest groups)
	344	+ ( is_array( $igs ) && isset( $igs[0]['id'] ) ) // OR it should be a populated array that's well-formed
	345	+ )
	346	+ ) {
460	347	return false; // no need to upgrade
461		- }
462		- else {
	348	+ } else {
463	349	return true; // yeah, let's do it
464	350	}
465	351	}
466	352
467	353	/**
468		- * 1.2.4 -> 1.2.5 - Update to support multiple interest groups
469		- * MCAPIv1.2 -> MCAPIv1.3 - update interest groups
470		- * 2011-02-09 - old password upgrade code deleted as 0.5 is way old
471		- */
472		-function mailchimpSF_do_upgrade() {
473		- # TODO: reload this
474		-}
	354	+ * Deletes all Mailchimp options
	355	+ *
	356	+ * TODO: The options names should be moved to a config file
	357	+ * or to a class dedicated to options
	358	+ **/
	359	+function mailchimp_sf_delete_setup() {
	360	+ $options = array(
	361	+ 'mc_user_id',
	362	+ 'mc_use_unsub_link',
	363	+ 'mc_list_id',
	364	+ 'mc_list_name',
	365	+ 'mc_interest_groups',
	366	+ 'mc_merge_vars',
	367	+ );
475	368
476		-/**
477		- * Deletes all mailchimp options
478		- **/
479		-function mailchimpSF_delete_setup() {
480		- delete_option('mc_user_id');
481		- delete_option('mc_sopresto_user');
482		- delete_option('mc_sopresto_public_key');
483		- delete_option('mc_sopresto_secret_key');
484		- delete_option('mc_rewards');
485		- delete_option('mc_use_javascript');
486		- delete_option('mc_use_datepicker');
487		- delete_option('mc_use_unsub_link');
488		- delete_option('mc_list_id');
489		- delete_option('mc_list_name');
490		- $igs = get_option('mc_interest_groups');
491		- if (is_array($igs)) {
492		- foreach ($igs as $ig) {
493		- $opt = 'mc_show_interest_groups_'.$ig['id'];
494		- delete_option($opt);
	369	+ $igs = get_option( 'mc_interest_groups' );
	370	+ if ( is_array( $igs ) ) {
	371	+ foreach ( $igs as $ig ) {
	372	+ $opt = 'mc_show_interest_groups_' . $ig['id'];
	373	+ $options[] = $opt;
495	374	}
496	375	}
497		- delete_option('mc_interest_groups');
498		- $mv = get_option('mc_merge_vars');
499		- if (is_array($mv)){
500		- foreach($mv as $var){
501		- $opt = 'mc_mv_'.$var['tag'];
502		- delete_option($opt);
	376	+
	377	+ $mv = get_option( 'mc_merge_vars' );
	378	+ if ( is_array( $mv ) ) {
	379	+ foreach ( $mv as $mv_var ) {
	380	+ $opt = 'mc_mv_' . $mv_var['tag'];
	381	+ $options[] = $opt;
503	382	}
504	383	}
505		- delete_option('mc_merge_vars');
506		-}
507	384
508		-/**
509		- * Resets the list settings, there's only one list
510		- * that can have settings at a time, so no list_id
511		- * parameter is necessary.
512		- **/
513		-function mailchimpSF_reset_list_settings() {
514		-
515		- delete_option('mc_list_id');
516		- delete_option('mc_list_name');
517		- delete_option('mc_merge_vars');
518		- delete_option('mc_interest_groups');
519		-
520		- delete_option('mc_use_javascript');
521		- delete_option('mc_use_unsub_link');
522		- delete_option('mc_use_datepicker');
523		-
524		- delete_option('mc_header_content');
525		- delete_option('mc_subheader_content');
526		- delete_option('mc_submit_text');
527		-
528		- delete_option('mc_custom_style');
529		-
530		- delete_option('mc_header_border_width');
531		- delete_option('mc_header_border_color');
532		- delete_option('mc_header_background');
533		- delete_option('mc_header_text_color');
534		-
535		- delete_option('mc_form_border_width');
536		- delete_option('mc_form_border_color');
537		- delete_option('mc_form_background');
538		- delete_option('mc_form_text_color');
539		-
540		- $msg = '<p class="success_msg">'.esc_html(__('Successfully Reset your List selection... Now you get to pick again!', 'mailchimp_i18n')).'</p>';
541		- mailchimpSF_global_msg($msg);
	385	+ mailchimp_sf_delete_options( $options );
542	386	}
543	387
544	388	/**
545		- * Gets or sets a global message based on parameter passed to it
	389	+ * Gets or sets a frontend message based on parameter passed to it
546	390	*
	391	+ * Used to convey error messages to the user outside of the WP Admin
	392	+ *
	393	+ * On the plugin settings page, WP admin notices are used exclusively
	394	+ * instead of the frontend message.
	395	+ *
	396	+ * @param mixed $msg Message
547	397	* @return string/bool depending on get/set
548		- **/
549		-function mailchimpSF_global_msg($msg = null) {
	398	+ */
	399	+function mailchimp_sf_frontend_msg( $msg = null ) {
550	400	global $mcsf_msgs;
551	401
552	402	// Make sure we're formed properly
553		- if (!is_array($mcsf_msgs)) {
	403	+ if ( ! is_array( $mcsf_msgs ) ) {
554	404	$mcsf_msgs = array();
555	405	}
556	406
557	407	// See if we're getting
558		- if (is_null($msg)) {
559		- return implode('', $mcsf_msgs);
	408	+ if ( is_null( $msg ) ) {
	409	+ return implode( '', $mcsf_msgs );
560	410	}
561	411
562	412	// Must be setting
563	413	$mcsf_msgs[] = $msg;
		@@ -564,27 +414,37 @@
564	414	return true;
565	415	}
566	416
567	417	/**
	418	+ * Gets or sets a frontend message based on parameter passed to it
	419	+ *
	420	+ * TODO: Deprecate this function in favor of mailchimp_sf_frontend_msg()
	421	+ *
	422	+ * @param mixed $msg Message
	423	+ * @return string/bool depending on get/set
	424	+ */
	425	+function mailchimp_sf_global_msg( $msg = null ) {
	426	+ return mailchimp_sf_frontend_msg( $msg );
	427	+}
	428	+
	429	+/**
568	430	* Sets the default options for the option form
569		- **/
570		-function mailchimpSF_set_form_defaults($list_name = '') {
571		- update_option('mc_header_content',__( 'Sign up for', 'mailchimp_i18n' ).' '.$list_name);
572		- update_option('mc_submit_text',__( 'Subscribe', 'mailchimp_i18n' ));
	431	+ *
	432	+ * @param string $list_name The Mailchimp list name.
	433	+ * @return void
	434	+ */
	435	+function mailchimp_sf_set_form_defaults( $list_name = '' ) {
	436	+ update_option( 'mc_header_content', esc_html__( 'Sign up for', 'mailchimp' ) . ' ' . $list_name );
	437	+ update_option( 'mc_submit_text', esc_html__( 'Subscribe', 'mailchimp' ) );
573	438
574		- update_option('mc_use_datepicker', 'on');
575		- update_option('mc_custom_style','off');
576		- update_option('mc_use_javascript','on');
577		- update_option('mc_use_unsub_link','off');
578		- update_option('mc_header_border_width','1');
579		- update_option('mc_header_border_color','E3E3E3');
580		- update_option('mc_header_background','FFFFFF');
581		- update_option('mc_header_text_color','CC6600');
	439	+ update_option( 'mc_custom_style', 'off' );
	440	+ update_option( 'mc_double_optin', true );
	441	+ update_option( 'mc_use_unsub_link', 'off' );
582	442
583		- update_option('mc_form_border_width','1');
584		- update_option('mc_form_border_color','E0E0E0');
585		- update_option('mc_form_background','FFFFFF');
586		- update_option('mc_form_text_color','3F3F3f');
	443	+ update_option( 'mc_form_border_width', '1' );
	444	+ update_option( 'mc_form_border_color', 'E0E0E0' );
	445	+ update_option( 'mc_form_background', 'FFFFFF' );
	446	+ update_option( 'mc_form_text_color', '3F3F3f' );
587	447	}
588	448
589	449	/**
590	450	* Saves the General Form settings on the options page
		@@ -590,921 +450,468 @@
590	450	* Saves the General Form settings on the options page
591	451	*
592	452	* @return void
593	453	**/
594		-function mailchimpSF_save_general_form_settings() {
	454	+function mailchimp_sf_save_general_form_settings() {
	455	+ // phpcs:disable WordPress.Security.NonceVerification.Missing -- Nonce check is already done in the mailchimp_sf_request_handler() function.
	456	+ /*Enable double optin toggle*/
	457	+ if ( isset( $_POST['mc_double_optin'] ) ) {
	458	+ update_option( 'mc_double_optin', true );
	459	+ $msg = esc_html__( 'Double opt-in turned On!', 'mailchimp' );
	460	+ admin_notice_success( $msg );
	461	+ } elseif ( get_option( 'mc_double_optin' ) !== false ) {
	462	+ update_option( 'mc_double_optin', false );
	463	+ $msg = esc_html__( 'Double opt-in turned Off!', 'mailchimp' );
	464	+ admin_notice_success( $msg );
	465	+ }
595	466
596		- if (MAILCHIMP_DEV_MODE == false) {
597		- if (isset($_POST['mc_rewards'])){
598		- update_option('mc_rewards', 'on');
599		- $msg = '<p class="success_msg">'.__('Monkey Rewards turned On!', 'mailchimp_i18n').'</p>';
600		- mailchimpSF_global_msg($msg);
601		- } else if (get_option('mc_rewards')!='off') {
602		- update_option('mc_rewards', 'off');
603		- $msg = '<p class="success_msg">'.__('Monkey Rewards turned Off!', 'mailchimp_i18n').'</p>';
604		- mailchimpSF_global_msg($msg);
605		- }
606		- if (isset($_POST['mc_use_javascript'])){
607		- update_option('mc_use_javascript', 'on');
608		- $msg = '<p class="success_msg">'.__('Fancy Javascript submission turned On!', 'mailchimp_i18n').'</p>';
609		- mailchimpSF_global_msg($msg);
610		- } else if (get_option('mc_use_javascript')!='off') {
611		- update_option('mc_use_javascript', 'off');
612		- $msg = '<p class="success_msg">'.__('Fancy Javascript submission turned Off!', 'mailchimp_i18n').'</p>';
613		- mailchimpSF_global_msg($msg);
614		- }
	467	+ /* NUKE the CSS! */
	468	+ if ( isset( $_POST['mc_nuke_all_styles'] ) ) {
	469	+ update_option( 'mc_nuke_all_styles', true );
	470	+ $msg = esc_html__( 'Mailchimp CSS turned Off!', 'mailchimp' );
	471	+ admin_notice_success( $msg );
	472	+ } elseif ( get_option( 'mc_nuke_all_styles' ) !== false ) {
	473	+ update_option( 'mc_nuke_all_styles', false );
	474	+ $msg = esc_html__( 'Mailchimp CSS turned On!', 'mailchimp' );
	475	+ admin_notice_success( $msg );
	476	+ }
615	477
616		- if (isset($_POST['mc_use_datepicker'])){
617		- update_option('mc_use_datepicker', 'on');
618		- $msg = '<p class="success_msg">'.__('Datepicker turned On!', 'mailchimp_i18n').'</p>';
619		- mailchimpSF_global_msg($msg);
620		- } else if (get_option('mc_use_datepicker')!='off') {
621		- update_option('mc_use_datepicker', 'off');
622		- $msg = '<p class="success_msg">'.__('Datepicker turned Off!', 'mailchimp_i18n').'</p>';
623		- mailchimpSF_global_msg($msg);
624		- }
	478	+ /* Update existing */
	479	+ if ( isset( $_POST['mc_update_existing'] ) ) {
	480	+ update_option( 'mc_update_existing', true );
	481	+ $msg = esc_html__( 'Update existing subscribers turned On!', 'mailchimp' );
	482	+ admin_notice_success( $msg );
	483	+ } elseif ( get_option( 'mc_update_existing' ) !== false ) {
	484	+ update_option( 'mc_update_existing', false );
	485	+ $msg = esc_html__( 'Update existing subscribers turned Off!', 'mailchimp' );
	486	+ admin_notice_success( $msg );
	487	+ }
625	488
626		- if (isset($_POST['mc_use_unsub_link'])){
627		- update_option('mc_use_unsub_link', 'on');
628		- $msg = '<p class="success_msg">'.__('Unsubscribe link turned On!', 'mailchimp_i18n').'</p>';
629		- mailchimpSF_global_msg($msg);
630		- } else if (get_option('mc_use_unsub_link')!='off') {
631		- update_option('mc_use_unsub_link', 'off');
632		- $msg = '<p class="success_msg">'.__('Unsubscribe link turned Off!', 'mailchimp_i18n').'</p>';
633		- mailchimpSF_global_msg($msg);
634		- }
	489	+ if ( isset( $_POST['mc_use_unsub_link'] ) ) {
	490	+ update_option( 'mc_use_unsub_link', 'on' );
	491	+ $msg = esc_html__( 'Unsubscribe link turned On!', 'mailchimp' );
	492	+ admin_notice_success( $msg );
	493	+ } elseif ( get_option( 'mc_use_unsub_link' ) !== 'off' ) {
	494	+ update_option( 'mc_use_unsub_link', 'off' );
	495	+ $msg = esc_html__( 'Unsubscribe link turned Off!', 'mailchimp' );
	496	+ admin_notice_success( $msg );
	497	+ }
635	498
636		- $content = stripslashes($_POST['mc_header_content']);
637		- $content = str_replace("\r\n","<br/>", $content);
638		- update_option('mc_header_content', $content );
	499	+ $content = isset( $_POST['mc_header_content'] ) ? wp_kses_post( wp_unslash( $_POST['mc_header_content'] ) ) : '';
	500	+ $content = str_replace( "\r\n", '<br/>', $content );
	501	+ update_option( 'mc_header_content', $content );
639	502
640		- $content = stripslashes($_POST['mc_subheader_content']);
641		- $content = str_replace("\r\n","<br/>", $content);
642		- update_option('mc_subheader_content', $content );
	503	+ $content = isset( $_POST['mc_subheader_content'] ) ? wp_kses_post( wp_unslash( $_POST['mc_subheader_content'] ) ) : '';
	504	+ $content = str_replace( "\r\n", '<br/>', $content );
	505	+ update_option( 'mc_subheader_content', $content );
643	506
	507	+ $submit_text = isset( $_POST['mc_submit_text'] ) ? sanitize_text_field( wp_unslash( $_POST['mc_submit_text'] ) ) : '';
	508	+ $submit_text = str_replace( "\r\n", '', $submit_text );
	509	+ update_option( 'mc_submit_text', $submit_text );
644	510
645		- $submit_text = stripslashes($_POST['mc_submit_text']);
646		- $submit_text = str_replace("\r\n","", $submit_text);
647		- update_option('mc_submit_text', $submit_text);
648		- }
649		-
650	511	// Set Custom Style option
651		- update_option('mc_custom_style', isset($_POST['mc_custom_style']) ? 'on' : 'off');
	512	+ update_option( 'mc_custom_style', isset( $_POST['mc_custom_style'] ) ? 'on' : 'off' );
652	513
653		- if (MAILCHIMP_DEV_MODE == false) {
654		- //we told them not to put these things we are replacing in, but let's just make sure they are listening...
655		- update_option('mc_header_border_width',str_replace('px','',$_POST['mc_header_border_width']) );
656		- update_option('mc_header_border_color', str_replace('#','',$_POST['mc_header_border_color']));
657		- update_option('mc_header_background',str_replace('#','',$_POST['mc_header_background']));
658		- update_option('mc_header_text_color', str_replace('#','',$_POST['mc_header_text_color']));
	514	+ // we told them not to put these things we are replacing in, but let's just make sure they are listening...
	515	+ if ( isset( $_POST['mc_form_border_width'] ) ) {
	516	+ update_option( 'mc_form_border_width', str_replace( 'px', '', absint( $_POST['mc_form_border_width'] ) ) );
659	517	}
	518	+ if ( isset( $_POST['mc_form_border_color'] ) ) {
	519	+ update_option( 'mc_form_border_color', str_replace( '#', '', sanitize_text_field( wp_unslash( $_POST['mc_form_border_color'] ) ) ) );
	520	+ }
	521	+ if ( isset( $_POST['mc_form_background'] ) ) {
	522	+ update_option( 'mc_form_background', str_replace( '#', '', sanitize_text_field( wp_unslash( $_POST['mc_form_background'] ) ) ) );
	523	+ }
	524	+ if ( isset( $_POST['mc_form_text_color'] ) ) {
	525	+ update_option( 'mc_form_text_color', str_replace( '#', '', sanitize_text_field( wp_unslash( $_POST['mc_form_text_color'] ) ) ) );
	526	+ }
660	527
661		- update_option('mc_form_border_width',str_replace('px','',$_POST['mc_form_border_width']) );
662		- update_option('mc_form_border_color', str_replace('#','',$_POST['mc_form_border_color']));
663		- update_option('mc_form_background',str_replace('#','',$_POST['mc_form_background']));
664		- update_option('mc_form_text_color', str_replace('#','',$_POST['mc_form_text_color']));
665		-
666		- if (MAILCHIMP_DEV_MODE == false) {
667		- $igs = get_option('mc_interest_groups');
668		- if (is_array($igs)) {
669		- foreach($igs as $var){
670		- $opt = 'mc_show_interest_groups_'.$var['id'];
671		- if (isset($_POST[$opt])){
672		- update_option($opt,'on');
673		- } else {
674		- update_option($opt,'off');
675		- }
	528	+ // IF NOT DEV MODE
	529	+ $igs = get_option( 'mc_interest_groups' );
	530	+ if ( is_array( $igs ) ) {
	531	+ foreach ( $igs as $mv_var ) {
	532	+ $opt = 'mc_show_interest_groups_' . $mv_var['id'];
	533	+ if ( isset( $_POST[ $opt ] ) ) {
	534	+ update_option( $opt, 'on' );
	535	+ } else {
	536	+ update_option( $opt, 'off' );
676	537	}
677	538	}
	539	+ }
678	540
679		- $mv = get_option('mc_merge_vars');
680		- if (is_array($mv)) {
681		- foreach($mv as $var){
682		- $opt = 'mc_mv_'.$var['tag'];
683		- if (isset($_POST[$opt]) || $var['req']=='Y'){
684		- update_option($opt,'on');
685		- } else {
686		- update_option($opt,'off');
687		- }
	541	+ $mv = get_option( 'mc_merge_vars' );
	542	+ if ( is_array( $mv ) ) {
	543	+ foreach ( $mv as $mv_var ) {
	544	+ $opt = 'mc_mv_' . $mv_var['tag'];
	545	+ if ( isset( $_POST[ $opt ] ) || true === (bool) $mv_var['required'] ) {
	546	+ update_option( $opt, 'on' );
	547	+ } else {
	548	+ update_option( $opt, 'off' );
688	549	}
689	550	}
690	551	}
691		- $msg = '<p class="success_msg">'.esc_html(__('Successfully Updated your List Subscribe Form Settings!', 'mailchimp_i18n')).'</p>';
692		- mailchimpSF_global_msg($msg);
	552	+
	553	+ $msg = esc_html__( 'Successfully Updated your List Subscribe Form Settings!', 'mailchimp' );
	554	+ admin_notice_success( $msg );
	555	+ // phpcs:enable WordPress.Security.NonceVerification.Missing
693	556	}
694	557
695	558	/**
696	559	* Sees if the user changed the list, and updates options accordingly
697	560	**/
698		-function mailchimpSF_change_list_if_necessary() {
699		- // Simple permission check before going through all this
700		- if (!current_user_can(MCSF_CAP_THRESHOLD)) { return; }
	561	+function mailchimp_sf_change_list_if_necessary() {
	562	+ if ( ! isset( $_POST['mc_list_id'] ) ) {
	563	+ return;
	564	+ }
701	565
702		- $api = mailchimpSF_get_api();
703		- if (!$api) { return; }
	566	+ if (
	567	+ ! current_user_can( MCSF_CAP_THRESHOLD ) ||
	568	+ ! isset( $_POST['update_mc_list_id_nonce'] ) ||
	569	+ ! wp_verify_nonce( sanitize_key( $_POST['update_mc_list_id_nonce'] ), 'update_mc_list_id_action' )
	570	+ ) {
	571	+ wp_die( 'Security check failed.' );
	572	+ }
704	573
705		- //we *could* support paging, but few users have that many lists (and shouldn't)
706		- $lists = $api->lists(array(),0,100);
707		- $lists = $lists['data'];
	574	+ if ( empty( $_POST['mc_list_id'] ) ) {
	575	+ $msg = esc_html__( 'Please choose a valid list', 'mailchimp' );
	576	+ admin_notice_error( $msg );
	577	+ return;
	578	+ }
708	579
709		- if (is_array($lists) && !empty($lists) && isset($_POST['mc_list_id'])) {
	580	+ $lists = mailchimp_sf_get_lists();
	581	+ if ( is_wp_error( $lists ) || ! isset( $lists['lists'] ) ) {
	582	+ return;
	583	+ }
710	584
711		- /* If our incoming list ID (the one chosen in the select dropdown)
712		- is in our array of lists, the set it to be the active list */
713		- foreach($lists as $key => $list) {
714		- if ($list['id'] == $_POST['mc_list_id']) {
715		- $list_id = $_POST['mc_list_id'];
	585	+ $lists = $lists['lists'];
	586	+
	587	+ if ( is_array( $lists ) && ! empty( $lists ) ) {
	588	+
	589	+ /**
	590	+ * If our incoming list ID (the one chosen in the select dropdown)
	591	+ * is in our array of lists, the set it to be the active list
	592	+ */
	593	+ foreach ( $lists as $key => $list ) {
	594	+ if ( isset( $_POST['mc_list_id'] ) && $list['id'] === $_POST['mc_list_id'] ) {
	595	+ $list_id = sanitize_text_field( wp_unslash( $_POST['mc_list_id'] ) );
716	596	$list_name = $list['name'];
717		- $list_key = $key;
	597	+ $list_key = $key;
718	598	}
	599	+
	600	+ $merge_fields = mailchimp_sf_get_merge_vars( $list['id'], false, false );
	601	+ $interests = mailchimp_sf_get_interest_categories( $list['id'], false, false );
	602	+ if ( ! empty( $merge_fields ) ) {
	603	+ update_option( 'mailchimp_sf_merge_fields_' . $list['id'], $merge_fields );
	604	+ }
	605	+ if ( ! empty( $interests ) ) {
	606	+ update_option( 'mailchimp_sf_interest_groups_' . $list['id'], $interests );
	607	+ }
719	608	}
720	609
721		- $orig_list = get_option('mc_list_id');
722		- if ($list_id != '') {
723		- update_option('mc_list_id', $list_id);
724		- update_option('mc_list_name', $list_name);
725		- update_option('mc_email_type_option', $lists[$list_key]['email_type_option']);
	610	+ $orig_list = get_option( 'mc_list_id' );
	611	+ if ( '' !== $list_id ) {
	612	+ update_option( 'mc_list_id', $list_id );
	613	+ update_option( 'mc_list_name', $list_name );
	614	+ update_option( 'mc_email_type_option', $lists[ $list_key ]['email_type_option'] );
726	615
727		-
728	616	// See if the user changed the list
729		- if ($orig_list != $list_id){
	617	+ $new_list = false;
	618	+ if ( $orig_list !== $list_id ) {
730	619	// The user changed the list, Reset the Form Defaults
731		- mailchimpSF_set_form_defaults($list_name);
	620	+ mailchimp_sf_set_form_defaults( $list_name );
	621	+
	622	+ $new_list = true;
732	623	}
733		- // email_type_option
734	624
735	625	// Grab the merge vars and interest groups
736		- $mv = $api->listMergeVars($list_id);
737		- $igs = $api->listInterestGroupings($list_id);
	626	+ $mv = mailchimp_sf_get_merge_vars( $list_id, $new_list );
	627	+ $igs = mailchimp_sf_get_interest_categories( $list_id, $new_list );
738	628
739		- update_option('mc_merge_vars', $mv);
740		- foreach($mv as $var){
741		- $opt = 'mc_mv_'.$var['tag'];
742		- //turn them all on by default
743		- if ($orig_list != $list_id) {
744		- update_option($opt, 'on' );
745		- }
746		- }
747		- update_option('mc_interest_groups', $igs);
748		- if (is_array($igs)) {
749		- foreach ($igs as $var){
750		- $opt = 'mc_show_interest_groups_'.$var['id'];
751		- //turn them all on by default
752		- if ($orig_list != $list_id) {
753		- update_option($opt, 'on' );
754		- }
755		- }
756		- }
757	629	$igs_text = ' ';
758		- if (is_array($igs)) {
759		- $igs_text .= sprintf(__('and %s Sets of Interest Groups', 'mailchimp_i18n'), count($igs));
	630	+ if ( is_array( $igs ) ) {
	631	+ /* translators: %s: count (number) */
	632	+ $igs_text .= sprintf( esc_html__( 'and %s Sets of Interest Groups', 'mailchimp' ), count( $igs ) );
760	633	}
761	634
762		- $msg = '<p class="success_msg">'.
763		- sprintf(
764		- __('<b>Success!</b> Loaded and saved the info for %d Merge Variables', 'mailchimp_i18n').$igs_text,
765		- count($mv)
766		- ).' '.
767		- __('from your list').' "'.$list_name.'"<br/><br/>'.
768		- __('Now you should either Turn On the MailChimp Widget or change your options below, then turn it on.', 'mailchimp_i18n').'</p>';
769		- mailchimpSF_global_msg($msg);
	635	+ $msg = sprintf(
	636	+ /* translators: %s: count (number) */
	637	+ __( '<b>Success!</b> Loaded and saved the info for %d Merge Variables', 'mailchimp' ) . $igs_text,
	638	+ count( $mv )
	639	+ ) . ' ' .
	640	+ esc_html__( 'from your list', 'mailchimp' ) . ' "' . $list_name . '"<br/><br/>' .
	641	+ esc_html__( 'Now you should either Turn On the Mailchimp Widget or change your options below, then turn it on.', 'mailchimp' );
	642	+
	643	+ admin_notice_success( $msg );
770	644	}
	645	+
	646	+ // Update the lists option.
	647	+ update_option( 'mailchimp_sf_lists', $lists );
771	648	}
772	649	}
773	650
774		-
775	651	/**
776		- * Outputs the Settings/Options page
	652	+ * Get merge vars
	653	+ *
	654	+ * @param string $list_id List ID
	655	+ * @param bool $new_list Whether this is a new list
	656	+ * @param bool $update_option Whether to update the option
	657	+ * @return array
777	658	*/
778		-function mailchimpSF_setup_page() {
779		-?>
780		-<div class="wrap">
	659	+function mailchimp_sf_get_merge_vars( $list_id, $new_list, $update_option = true ) {
	660	+ $api = mailchimp_sf_get_api();
	661	+ $mv = $api->get( 'lists/' . $list_id . '/merge-fields', 80 );
781	662
782		- <div class="mailchimp-header">
783		- <h2><?php esc_html_e('MailChimp List Setup', 'mailchimp_i18n');?> </h2>
784		- </div>
785		-<?php
	663	+ // if we get an error back from the api, exit this process.
	664	+ if ( is_wp_error( $mv ) ) {
	665	+ return;
	666	+ }
786	667
787		-// Display Developer mode active.
788		-if (MAILCHIMP_DEV_MODE == true) { ?>
789		- <p class="error_msg">Developer mode active.</p>
790		-<?php }
791		-
792		-$user = get_option('mc_sopresto_user');
793		-
794		-// If we have an API Key, see if we need to change the lists and its options
795		-mailchimpSF_change_list_if_necessary();
796		-
797		-// Display our success/error message(s) if have them
798		-if (mailchimpSF_global_msg() != ''){
799		- // Message has already been html escaped, so we don't want to 2x escape it here
800		- ?>
801		- <div id="mc_message" class=""><?php echo mailchimpSF_global_msg(); ?></div>
802		- <?php
803		-}
804		-
805		-// If we don't have an API Key, do a login form
806		-if (!$user && MAILCHIMP_DEV_MODE == false) {
807		-?>
808		- <div>
809		- <h3 class="mc-h2"><?php esc_html_e('Log In', 'mailchimp_i18n');?></h3>
810		- <p class="mc-p" style="width: 40%;line-height: 21px;"><?php esc_html_e('To start using the MailChimp plugin, we first need to connect your MailChimp account. Click login below to connect.', 'mailchimp_i18n'); ?></p>
811		- <p class="mc-a">
812		- <?php
813		- echo sprintf(
814		- '%1$s <a href="http://www.mailchimp.com/signup/" target="_blank">%2$s</a>',
815		- esc_html(__("Don't have a MailChimp account?", 'mailchimp_i18n')),
816		- esc_html(__('Try one for Free!', 'mailchimp_i18n'))
817		- );
818		- ?>
819		- </p>
820		-
821		- <div style="width: 900px;">
822		- <table class="widefat mc-widefat mc-api">
823		- <tr valign="top">
824		- <th scope="row" class="mailchimp-connect"><?php esc_html_e('Connect to MailChimp', 'mailchimp_i18n'); ?></th>
825		- <td>
826		- <a href="<?php echo add_query_arg(array("mcsf_action" => "authorize"), home_url('index.php')) ?>" class="mailchimp-login">Connect</a>
827		- </td>
828		- </tr>
829		- </table>
830		- </div>
831		- </div>
832		-
833		- <br/>
834		- <?php
835		- if ($user && $user['username'] != '') {
836		- ?>
837		-<!--<div class="notes_msg">
838		- <strong><?php esc_html_e('Notes', 'mailchimp_i18n'); ?>:</strong>
839		- <ul>
840		- <li><?php esc_html_e('Changing your settings at MailChimp.com may cause this to stop working.', 'mailchimp_i18n'); ?></li>
841		- <li><?php esc_html_e('If you change your login to a different account, the info you have setup below will be erased.', 'mailchimp_i18n'); ?></li>
842		- <li><?php esc_html_e('If any of that happens, no biggie - just reconfigure your login and the items below...', 'mailchimp_i18n'); ?></li>
843		- </ul>
844		-</div>-->
845		- <?php
	668	+ $mv['merge_fields'] = mailchimp_sf_add_email_field( $mv['merge_fields'] );
	669	+ if ( $update_option ) {
	670	+ update_option( 'mc_merge_vars', $mv['merge_fields'] );
846	671	}
847		-} // End of login form
848	672
849		-// Start logout form
850		-elseif (MAILCHIMP_DEV_MODE == false) {
851		-?>
852		-<table style="min-width:400px;" class="mc-user" cellspacing="0">
853		- <tr>
854		- <td><h3><?php esc_html_e('Logged in as', 'mailchimp_i18n');?>: <?php echo esc_html($user['username']); ?></h3>
855		- </td>
856		- <td>
857		- <form method="post" action="options-general.php?page=mailchimpSF_options">
858		- <input type="hidden" name="mcsf_action" value="logout"/>
859		- <input type="submit" name="Submit" value="<?php esc_attr_e('Logout', 'mailchimp_i18n');?>" class="button" />
860		- <?php wp_nonce_field('mc_logout', '_mcsf_nonce_action'); ?>
861		- </form>
862		- </td>
863		- </tr>
864		-</table>
865		-<?php
866		-} // End Logout form
867		-
868		-//Just get out if nothing else matters...
869		-$api = mailchimpSF_get_api();
870		-if (!$api && MAILCHIMP_DEV_MODE == false) { return; }
871		-
872		-if ($api){
873		- ?>
874		- <h3 class="mc-h2"><?php esc_html_e('Your Lists', 'mailchimp_i18n'); ?></h3>
875		-
876		-<div>
877		-
878		- <p class="mc-p"><?php esc_html_e('Please select the List you wish to create a Signup Form for.', 'mailchimp_i18n'); ?></p>
879		- <p class="mc-list-note"><strong><?php esc_html_e('Note:', 'mailchimp_i18n'); ?></strong> <?php esc_html_e('Updating your list will not cause settings below to be lost. Changing to a new list will.', 'mailchimp_i18n'); ?></p>
880		-
881		- <form method="post" action="options-general.php?page=mailchimpSF_options">
882		- <?php
883		- //we *could* support paging, but few users have that many lists (and shouldn't)
884		- $lists = $api->lists(array(),0,100);
885		- $lists = $lists['data'];
886		-
887		- if (count($lists) == 0) {
888		- ?>
889		- <span class='error_msg'>
890		- <?php
891		- echo sprintf(
892		- esc_html(__("Uh-oh, you don't have any lists defined! Please visit %s, login, and setup a list before using this tool!", 'mailchimp_i18n')),
893		- "<a href='http://www.mailchimp.com/'>MailChimp</a>"
894		- );
895		- ?>
896		- </span>
897		- <?php
	673	+ foreach ( $mv['merge_fields'] as $mv_var ) {
	674	+ $opt = 'mc_mv_' . $mv_var['tag'];
	675	+ if ( $new_list ) {
	676	+ $public = $mv_var['public'] ?? false;
	677	+ if ( ! $public ) {
	678	+ // This is a hidden field, so we don't want to include it.
	679	+ update_option( $opt, 'off' );
	680	+ } else {
	681	+ // We need to set the option to 'on' so that it shows up in the form.
	682	+ update_option( $opt, 'on' );
	683	+ }
898	684	}
899		- else {
900		- ?>
901		- <table style="min-width:400px" class="mc-list-select" cellspacing="0">
902		- <tr class="mc-list-row">
903		- <td>
904		- <select name="mc_list_id" style="min-width:200px;">
905		- <option value=""> &mdash; <?php esc_html_e('Select A List','mailchimp_i18n'); ?> &mdash; </option>
906		- <?php
907		- foreach ($lists as $list) {
908		- $option = get_option('mc_list_id');
909		- ?>
910		- <option value="<?php echo esc_attr($list['id']); ?>"<?php selected($list['id'], $option); ?>><?php echo esc_html($list['name']); ?></option>
911		- <?php
912		- }
913		- ?>
914		- </select>
915		- </td>
916		- <td>
917		- <input type="hidden" name="mcsf_action" value="update_mc_list_id" />
918		- <input type="submit" name="Submit" value="<?php esc_attr_e('Update List', 'mailchimp_i18n'); ?>" class="button" />
919		- </td>
920		- </tr>
921		- </table>
922		- <?php
923		- } //end select list
924		- ?>
925		- </form>
926		-</div>
927		-
928		-<br/>
929		-
930		-<?php
	685	+ }
	686	+ return $mv['merge_fields'];
931	687	}
932		-elseif (MAILCHIMP_DEV_MODE == false) {
933		-//display the selected list...
934		-?>
935	688
936		-<p class="submit">
937		- <form method="post" action="options-general.php?page=mailchimpSF_options">
938		- <input type="hidden" name="mcsf_action" value="reset_list" />
939		- <input type="submit" name="reset_list" value="<?php esc_attr_e('Reset List Options and Select again', 'mailchimp_i18n'); ?>" class="button" />
940		- <?php wp_nonce_field('reset_mailchimp_list', '_mcsf_nonce_action'); ?>
941		- </form>
942		-</p>
943		-<h3><?php esc_html_e('Subscribe Form Widget Settings for this List', 'mailchimp_i18n'); ?>:</h3>
944		-<h4><?php esc_html_e('Selected MailChimp List', 'mailchimp_i18n'); ?>: <?php echo esc_html(get_option('mc_list_name')); ?></h4>
945		-<?php
	689	+/**
	690	+ * Add email field
	691	+ *
	692	+ * @param array $merge Merge
	693	+ * @return array
	694	+ */
	695	+function mailchimp_sf_add_email_field( $merge ) {
	696	+ $email = array(
	697	+ 'tag' => 'EMAIL',
	698	+ 'name' => esc_html__( 'Email Address', 'mailchimp' ),
	699	+ 'type' => 'email',
	700	+ 'required' => true,
	701	+ 'public' => true,
	702	+ 'display_order' => 1,
	703	+ 'default_value' => null,
	704	+ );
	705	+ array_unshift( $merge, $email );
	706	+ return $merge;
946	707	}
947	708
948		-//Just get out if nothing else matters...
949		-if (get_option('mc_list_id') == '' && MAILCHIMP_DEV_MODE == false) return;
	709	+/**
	710	+ * Get interest categories
	711	+ *
	712	+ * @param string $list_id List ID
	713	+ * @param bool $new_list Whether this is a new list
	714	+ * @param bool $update_option Whether to update the option
	715	+ * @return array
	716	+ */
	717	+function mailchimp_sf_get_interest_categories( $list_id, $new_list, $update_option = true ) {
	718	+ $api = mailchimp_sf_get_api();
	719	+ $igs = $api->get( 'lists/' . $list_id . '/interest-categories', 60 );
950	720
951		-
952		-// The main Settings form
953		-?>
954		-
955		-<div>
956		-<form method="post" action="options-general.php?page=mailchimpSF_options">
957		-<div style="width:900px;">
958		-<input type="hidden" name="mcsf_action" value="change_form_settings">
959		-<?php wp_nonce_field('update_general_form_settings', '_mcsf_nonce_action'); ?>
960		-
961		-<?php if (MAILCHIMP_DEV_MODE == false) { ?>
962		-<!--<input type="submit" value="<?php esc_attr_e('Update Subscribe Form Settings', 'mailchimp_i18n'); ?>" class="button" />-->
963		-<table class="widefat mc-widefat mc-label-options">
964		- <tr><th colspan="2">Content Options</th></tr>
965		- <tr valign="top">
966		- <th scope="row"><?php esc_html_e('Header', 'mailchimp_i18n'); ?></th>
967		- <td>
968		- <textarea name="mc_header_content" rows="2" cols="70"><?php echo esc_html(get_option('mc_header_content')); ?></textarea><br/>
969		- <?php esc_html_e('You can fill this with your own Text, HTML markup (including image links), or Nothing!', 'mailchimp_i18n'); ?>
970		- </td>
971		- </tr>
972		-
973		- <tr valign="top">
974		- <th scope="row"><?php esc_html_e('Sub-header', 'mailchimp_i18n'); ?></th>
975		- <td>
976		- <textarea name="mc_subheader_content" rows="2" cols="70"><?php echo esc_html(get_option('mc_subheader_content')); ?></textarea><br/>
977		- <?php esc_html_e('You can fill this with your own Text, HTML markup (including image links), or Nothing!', 'mailchimp_i18n'); ?>.<br/>
978		- <?php esc_html_e('This will be displayed under the heading and above the form.', 'mailchimp_i18n'); ?>
979		- </td>
980		- </tr>
981		-
982		- <tr valign="top" class="last-row">
983		- <th scope="row"><?php esc_html_e('Submit Button', 'mailchimp_i18n'); ?></th>
984		- <td>
985		- <input type="text" name="mc_submit_text" size="70" value="<?php echo esc_attr(get_option('mc_submit_text')); ?>"/>
986		- </td>
987		- </tr>
988		-</table>
989		-
990		-<input type="submit" value="<?php esc_attr_e('Update Subscribe Form Settings', 'mailchimp_i18n'); ?>" class="button mc-submit" /><br/>
991		-<?php } ?>
992		-
993		-<table class="widefat mc-widefat mc-custom-styling">
994		- <tr><th colspan="2">Custom Styling</th></tr>
995		- <tr class="mc-turned-on"><th><label for="mc_custom_style"><?php esc_html_e('Enabled?', 'mailchimp_i18n'); ?></label></th><td><span class="mc-pre-input"></span><input type="checkbox" name="mc_custom_style" id="mc_custom_style"<?php checked(get_option('mc_custom_style'), 'on'); ?> /></td></tr>
996		-
997		- <tr class="mc-internal-heading"><th colspan="2"><?php esc_html_e('Form Settings', 'mailchimp_i18n'); ?></th></tr>
998		- <tr><th><?php esc_html_e('Border Width', 'mailchimp_i18n'); ?></th><td><span class="mc-pre-input"></span><input type="text" name="mc_form_border_width" size="3" maxlength="3" value="<?php echo esc_attr(get_option('mc_form_border_width')); ?>"/>
999		- <em>px •<?php esc_html_e('Set to 0 for no border, do not enter', 'mailchimp_i18n'); ?> <strong>px</strong>!</em>
1000		- </td></tr>
1001		- <tr><th><?php esc_html_e('Border Color', 'mailchimp_i18n'); ?></th><td><span class="mc-pre-input">#</span><input type="text" name="mc_form_border_color" size="7" maxlength="6" value="<?php echo esc_attr(get_option('mc_form_border_color')); ?>"/>
1002		- <em><?php esc_html_e('Do not enter initial', 'mailchimp_i18n'); ?> <strong>#</strong></em>
1003		- </td></tr>
1004		- <tr><th><?php esc_html_e('Text Color', 'mailchimp_i18n'); ?></th><td><span class="mc-pre-input">#</span><input type="text" name="mc_form_text_color" size="7" maxlength="6" value="<?php echo esc_attr(get_option('mc_form_text_color')); ?>"/>
1005		- <em><?php esc_html_e('Do not enter initial', 'mailchimp_i18n'); ?> <strong>#</strong></em>
1006		- </td></tr>
1007		- <tr class="last-row"><th><?php esc_html_e('Background Color', 'mailchimp_i18n'); ?></th><td><span class="mc-pre-input">#</span><input type="text" name="mc_form_background" size="7" maxlength="6" value="<?php echo esc_attr(get_option('mc_form_background')); ?>"/>
1008		- <em><?php esc_html_e('Do not enter initial', 'mailchimp_i18n'); ?> <strong>#</strong></em>
1009		- </td></tr>
1010		-</table>
1011		-
1012		-<input type="submit" value="<?php esc_attr_e('Update Subscribe Form Settings', 'mailchimp_i18n'); ?>" class="button mc-submit" /><br/>
1013		-
1014		-<?php if (MAILCHIMP_DEV_MODE == false) { ?>
1015		-<table class="widefat mc-widefat">
1016		- <tr><th colspan="2">List Options</th></tr>
1017		- <tr valign="top">
1018		- <th scope="row"><?php esc_html_e('Monkey Rewards', 'mailchimp_i18n'); ?>?</th>
1019		- <td><input name="mc_rewards" type="checkbox"<?php if (get_option('mc_rewards')=='on' || get_option('mc_rewards')=='' ) { echo ' checked="checked"'; } ?> id="mc_rewards" class="code" />
1020		- <em><label for="mc_rewards"><?php esc_html_e('Turning this on will place a "powered by MailChimp" link in your form that will earn you credits with us. It is optional and can be turned on or off at any time.', 'mailchimp_i18n'); ?></label></em>
1021		- </td>
1022		- </tr>
1023		-
1024		- <tr valign="top">
1025		- <th scope="row"><?php esc_html_e('Use Javascript Support?', 'mailchimp_i18n'); ?></th>
1026		- <td><input name="mc_use_javascript" type="checkbox" <?php checked(get_option('mc_use_javascript'), 'on'); ?> id="mc_use_javascript" class="code" />
1027		- <em><label for="mc_use_javascript"><?php esc_html_e('Turning this on will use fancy javascript submission and should degrade gracefully for users not using javascript. It is optional and can be turned on or off at any time.', 'mailchimp_i18n'); ?></label></em>
1028		- </td>
1029		- </tr>
1030		-
1031		- <tr valign="top">
1032		- <th scope="row"><?php esc_html_e('Use Javascript Datepicker?', 'mailchimp_i18n'); ?></th>
1033		- <td><input name="mc_use_datepicker" type="checkbox" <?php checked(get_option('mc_use_datepicker'), 'on'); ?> id="mc_use_datepicker" class="code" />
1034		- <em><label for="mc_use_datepicker"><?php esc_html_e('Turning this on will use the jQuery UI Datepicker for dates.', 'mailchimp_i18n'); ?></label></em>
1035		- </td>
1036		- </tr>
1037		- <tr valign="top" class="last-row">
1038		- <th scope="row"><?php esc_html_e('Include Unsubscribe link?', 'mailchimp_i18n'); ?></th>
1039		- <td><input name="mc_use_unsub_link" type="checkbox"<?php checked(get_option('mc_use_unsub_link'), 'on'); ?> id="mc_use_unsub_link" class="code" />
1040		- <em><label for="mc_use_unsub_link"><?php esc_html_e('Turning this on will add a link to your host unsubscribe form', 'mailchimp_i18n'); ?></label></em>
1041		- </td>
1042		- </tr>
1043		-</table>
1044		-
1045		-<?php } ?>
1046		-
1047		-</div>
1048		-
1049		-<?php
1050		-// Merge Variables Table
1051		-if (MAILCHIMP_DEV_MODE == false) { ?>
1052		-<div style="width:900px;">
1053		-
1054		- <input type="submit" value="<?php esc_attr_e('Update Subscribe Form Settings', 'mailchimp_i18n'); ?>" class="button mc-submit" /><br/>
1055		-
1056		- <table class='widefat mc-widefat'>
1057		- <tr>
1058		- <th colspan="4">
1059		- <?php esc_html_e('Merge Variables Included', 'mailchimp_i18n'); ?>
1060		-
1061		- <?php
1062		- $mv = get_option('mc_merge_vars');
1063		-
1064		- if (count($mv) == 0 || !is_array($mv)){
1065		- ?>
1066		- <em><?php esc_html_e('No Merge Variables found.', 'mailchimp_i18n'); ?></em>
1067		- <?php
1068		- } else {
1069		- ?>
1070		- </th>
1071		- </tr>
1072		- <tr valign="top">
1073		- <th><?php esc_html_e('Name', 'mailchimp_i18n');?></th>
1074		- <th><?php esc_html_e('Tag', 'mailchimp_i18n');?></th>
1075		- <th><?php esc_html_e('Required?', 'mailchimp_i18n');?></th>
1076		- <th><?php esc_html_e('Include?', 'mailchimp_i18n');?></th>
1077		- </tr>
1078		- <?php
1079		- foreach($mv as $var){
1080		- ?>
1081		- <tr valign="top">
1082		- <td><?php echo esc_html($var['name']); ?></td>
1083		- <td><?php echo esc_html($var['tag']); ?></td>
1084		- <td><?php echo esc_html(($var['req'] == 1) ? 'Y' : 'N'); ?></td>
1085		- <td>
1086		- <?php
1087		- if (!$var['req']){
1088		- $opt = 'mc_mv_'.$var['tag'];
1089		- ?>
1090		- <input name="<?php echo esc_attr($opt); ?>" type="checkbox" id="<?php echo esc_attr($opt); ?>" class="code"<?php checked(get_option($opt), 'on'); ?> />
1091		- <?php
1092		- } else {
1093		- ?>
1094		- &nbsp;&mdash;&nbsp;
1095		- <?php
1096		- }
1097		- ?>
1098		- </td>
1099		- </tr>
1100		- <?php
	721	+ // if we get an error back from the api, exis
	722	+ if ( is_wp_error( $igs ) ) {
	723	+ return;
1101	724	}
1102		- ?>
1103		- </table>
1104		- <input type="submit" value="<?php esc_attr_e('Update Subscribe Form Settings', 'mailchimp_i18n'); ?>" class="button mc-submit" /><br/>
1105		-</div>
1106		- <?php
1107		-}
1108		-?>
1109	725
	726	+ if ( is_array( $igs ) ) {
	727	+ $key = 0;
	728	+ foreach ( $igs['categories'] as $ig ) {
	729	+ $groups = $api->get( 'lists/' . $list_id . '/interest-categories/' . $ig['id'] . '/interests', 60 );
	730	+ $igs['categories'][ $key ]['groups'] = $groups['interests'];
	731	+ $opt = 'mc_show_interest_groups_' . $ig['id'];
1110	732
1111		-
1112		-<?php
1113		- // Interest Groups Table
1114		- $igs = get_option('mc_interest_groups');
1115		- if (is_array($igs) && !isset($igs['id'])) { ?>
1116		- <h3 class="mc-h3"><?php esc_html_e('Group Settings', 'mailchimp_i18n'); ?></h3> <?php
1117		- // Determines whether or not to continue processing. Only false if there was an error.
1118		- $continue = true;
1119		- foreach ($igs as $ig) {
1120		- if ($continue) {
1121		- if (!is_array($ig) || empty($ig) || $ig == 'N' ) {
1122		- ?>
1123		- <em><?php esc_html_e('No Interest Groups Setup for this List', 'mailchimp_i18n'); ?></em>
1124		- <?php
1125		- $continue = false;
1126		- }
1127		- else {
1128		- ?>
1129		- <table class='mc-widefat mc-blue' width="450px" cellspacing="0">
1130		- <tr valign="top">
1131		- <th colspan="2"><?php echo esc_html($ig['name']); ?></th>
1132		- </tr>
1133		- <tr valign="top">
1134		- <th>
1135		- <label for="<?php echo esc_attr('mc_show_interest_groups_'.$ig['id']); ?>"><?php esc_html_e('Show?', 'mailchimp_i18n'); ?></label>
1136		- </th>
1137		- <th>
1138		- <input name="<?php echo esc_attr('mc_show_interest_groups_'.$ig['id']); ?>" id="<?php echo esc_attr('mc_show_interest_groups_'.$ig['id']); ?>" type="checkbox" class="code"<?php checked('on', get_option('mc_show_interest_groups_'.$ig['id'])); ?> />
1139		- </th>
1140		- </tr>
1141		- <tr valign="top">
1142		- <th><?php esc_html_e('Input Type', 'mailchimp_i18n'); ?></th>
1143		- <td><?php echo esc_html($ig['form_field']); ?></td>
1144		- </tr>
1145		- <tr valign="top" class="last-row">
1146		- <th><?php esc_html_e('Options', 'mailchimp_i18n'); ?></th>
1147		- <td>
1148		- <ul>
1149		- <?php
1150		- foreach($ig['groups'] as $interest){
1151		- ?>
1152		- <li><?php echo esc_html($interest['name']); ?></li>
1153		- <?php
1154		- }
1155		- ?>
1156		- </ul>
1157		- </td>
1158		- </tr>
1159		- </table>
1160		- <?php
1161		- }
	733	+ // turn them all on by default
	734	+ if ( $new_list ) {
	735	+ update_option( $opt, 'on' );
1162	736	}
	737	+ ++$key;
1163	738	}
1164	739	}
1165		-} // end dev mode check
1166		-?>
1167		- <div style="width: 900px; margin-top: 35px;">
1168		- <table class="widefat mc-widefat mc-yellow">
1169		- <tr><th colspan="2">CSS Cheat Sheet</th></tr>
1170		- <tr valign="top">
1171		- <th scope="row">.widget_mailchimpsf_widget </th>
1172		- <td>This targets the entire widget container.</td>
1173		- </tr>
1174		- <tr valign="top">
1175		- <th scope="row">.widget-title</th>
1176		- <td>This styles the title of your MailChimp widget. <i>Modifying this class will affect your other widget titles.</i></td>
1177		- </tr>
1178		- <tr valign="top">
1179		- <th scope="row">#mc_signup</th>
1180		- <td>This targets the entirity of the widget beneath the widget title.</td>
1181		- </tr>
1182		- <tr valign="top">
1183		- <th scope="row">#mc_subheader</th>
1184		- <td>This styles the subheader text.</td>
1185		- </tr>
1186		- <tr valign="top">
1187		- <th scope="row">.mc_form_inside</th>
1188		- <td>The guts and main container for the all of the form elements (the entirety of the widget minus the header and the sub header).</td>
1189		- </tr>
1190		- <tr valign="top">
1191		- <th scope="row">.mc_header</th>
1192		- <td>This targets the label above the input fields.</td>
1193		- </tr>
1194		- <tr valign="top">
1195		- <th scope="row">.mc_input</th>
1196		- <td>This attaches to the input fields.</td>
1197		- </tr>
1198		- <tr valign="top">
1199		- <th scope="row">.mc_header_address</th>
1200		- <td>This is the label above an address group.</td>
1201		- </tr>
1202		- <tr valign="top">
1203		- <th scope="row">.mc_radio_label</th>
1204		- <td>These are the labels associated with radio buttons.</td>
1205		- </tr>
1206		- <tr valign="top">
1207		- <th scope="row">#mc-indicates-required</th>
1208		- <td>This targets the “Indicates Required Field” text.</td>
1209		- </tr>
1210		- <tr valign="top">
1211		- <th scope="row">#mc_signup_submit</th>
1212		- <td>Use this to style the submit button.</td>
1213		- </tr>
1214		- </table>
1215		- </div>
1216	740
1217		-</form>
1218		-<?php
1219		-}//mailchimpSF_setup_page()
	741	+ if ( $update_option ) {
	742	+ update_option( 'mc_interest_groups', $igs['categories'] );
	743	+ }
1220	744
	745	+ return $igs['categories'];
	746	+}
1221	747
1222		-function mailchimpSF_register_widgets() {
1223		- if (mailchimpSF_get_api() || MAILCHIMP_DEV_MODE == true) {
1224		- register_widget('mailchimpSF_Widget');
	748	+/**
	749	+ * Register the widget.
	750	+ *
	751	+ * @return void
	752	+ */
	753	+function mailchimp_sf_register_widgets() {
	754	+ if ( mailchimp_sf_get_api() ) {
	755	+ register_widget( 'Mailchimp_SF_Widget' );
1225	756	}
1226	757	}
1227		-add_action('widgets_init', 'mailchimpSF_register_widgets');
	758	+add_action( 'widgets_init', 'mailchimp_sf_register_widgets' );
1228	759
1229		-function mailchimpSF_shortcode($atts){
	760	+/**
	761	+ * Add shortcode
	762	+ *
	763	+ * @return string
	764	+ */
	765	+function mailchimp_sf_shortcode() {
1230	766	ob_start();
1231		- mailchimpSF_signup_form();
	767	+ mailchimp_sf_signup_form();
1232	768	return ob_get_clean();
1233	769	}
1234		-add_shortcode('mailchimpsf_form', 'mailchimpSF_shortcode');
	770	+add_shortcode( 'mailchimpsf_form', 'mailchimp_sf_shortcode' );
1235	771
1236	772	/**
1237		- * Attempts to signup a user, per the $_POST args.
	773	+ * Cleans up merge fields and interests to make them
	774	+ * API 3.0-friendly.
1238	775	*
1239		- * This sets a global message, that is then used in the widget
1240		- * output to retrieve and display that message.
1241		- *
1242		- * @return bool
	776	+ * @param [type] $merge Merge fields
	777	+ * @param [type] $igs Interest groups
	778	+ * @param string $email_type Email type
	779	+ * @param string $email Email
	780	+ * @param string|false $status Status The subscription status ('subscribed', 'unsubscribed', 'pending', etc.) or false if an error occurred.
	781	+ * @param string $double_optin Whether double opt-in is enabled. "1" for enabled and "" for disabled.
	782	+ * @return stdClass
1243	783	*/
1244		-function mailchimpSF_signup_submit() {
1245		- $mv = get_option('mc_merge_vars', array());
1246		- $mv_tag_keys = array();
	784	+function mailchimp_sf_subscribe_body( $merge, $igs, $email_type, $email, $status, $double_optin ) {
	785	+ $body = new stdClass();
	786	+ $body->email_address = $email;
	787	+ $body->email_type = $email_type;
	788	+ $body->merge_fields = $merge;
1247	789
1248		- $igs = get_option('mc_interest_groups', array());
1249		-
1250		- $success = true;
1251		- $listId = get_option('mc_list_id');
1252		- $email = isset($_POST['mc_mv_EMAIL']) ? strip_tags(stripslashes($_POST['mc_mv_EMAIL'])) : '';
1253		- $merge = $errs = $html_errs = array(); // Set up some vars
1254		-
1255		- // Loop through our Merge Vars, and if they're empty, but required, then print an error, and mark as failed
1256		- foreach($mv as $var) {
1257		- $opt = 'mc_mv_'.$var['tag'];
1258		-
1259		- $opt_val = isset($_POST[$opt]) ? $_POST[$opt] : '';
1260		-
1261		- if (is_array($opt_val) && isset($opt_val['area'])) {
1262		- // This filters out all 'falsey' elements
1263		- $opt_val = array_filter($opt_val);
1264		-
1265		- // If they weren't all empty
1266		- if ($opt_val) {
1267		- $opt_val = implode('-', $opt_val);
1268		- if (strlen($opt_val) < 12) {
1269		- $opt_val = '';
1270		- }
1271		- }
1272		- else {
1273		- $opt_val = '';
1274		- }
1275		- }
1276		- else if (is_array($opt_val) && $var['field_type'] == 'address') {
1277		- if ($var['req'] == 'Y') {
1278		- if (empty($opt_val['addr1']) || empty($opt_val['city'])) {
1279		- $errs[] = sprintf(__("You must fill in %s.", 'mailchimp_i18n'), esc_html($var['name']));
1280		- $success = false;
1281		- }
1282		- }
1283		- $merge[$var['tag']] = $opt_val;
1284		- continue;
1285		- }
1286		- else if (is_array($opt_val)) {
1287		- $opt_val = implode($opt_val);
1288		- }
1289		-
1290		- if ($var['req'] == 'Y' && trim($opt_val) == '') {
1291		- $success = false;
1292		- $errs[] = sprintf(__("You must fill in %s.", 'mailchimp_i18n'), esc_html($var['name']));
1293		- }
1294		- else {
1295		- if ($var['tag'] != 'EMAIL') {
1296		- $merge[$var['tag']] = $opt_val;
1297		- }
1298		- }
1299		-
1300		- // We also want to create an array where the keys are the tags for easier validation later
1301		- $mv_tag_keys[$var['tag']] = $var;
1302		-
	790	+ if ( ! empty( $igs ) ) {
	791	+ $body->interests = $igs;
1303	792	}
1304	793
1305		- // Head back to the beginning of the merge vars array
1306		- reset($mv);
1307		-
1308		- // Ensure we have an array
1309		- $igs = !is_array($igs) ? array() : $igs;
1310		- foreach ($igs as $ig) {
1311		- $groups = '';
1312		- if (get_option('mc_show_interest_groups_'.$ig['id']) == 'on') {
1313		- $groupings = array();
1314		- switch ($ig['form_field']) {
1315		- case 'select':
1316		- case 'dropdown':
1317		- case 'radio':
1318		- if (isset($_POST['group'][$ig['id']])) {
1319		- $groupings = array(
1320		- 'id' => $ig['id'],
1321		- 'groups' => str_replace(',', '\,', stripslashes($_POST['group'][$ig['id']])),
1322		- );
1323		- }
1324		- break;
1325		- case 'checkboxes':
1326		- case 'checkbox':
1327		- if (isset($_POST['group'][$ig['id']])) {
1328		- foreach ($_POST['group'][$ig['id']] as $i => $value) {
1329		- // Escape
1330		- $groups .= str_replace(',', '\,', stripslashes($value)).',';
1331		- }
1332		- $groupings = array(
1333		- 'id' => $ig['id'],
1334		- 'groups' => $groups,
1335		- );
1336		- }
1337		- break;
1338		- default:
1339		- // Nothing
1340		- break;
1341		- }
1342		- if (!isset($merge['GROUPINGS']) || !is_array($merge['GROUPINGS'])) {
1343		- $merge['GROUPINGS'] = array();
1344		- }
1345		- if (!empty($groupings)) {
1346		- $merge['GROUPINGS'][] = $groupings;
1347		- }
1348		- }
	794	+ // Early return for already subscribed users
	795	+ if ( 'subscribed' === $status ) {
	796	+ return $body;
1349	797	}
1350	798
1351		- // If we're good
1352		- if ($success) {
1353		- // Clear out empty merge vars
1354		- foreach ($merge as $k => $v) {
1355		- if (is_array($v) && empty($v)) {
1356		- unset($merge[$k]);
1357		- }
1358		- else if (!is_array($v) && trim($v) === '') {
1359		- unset($merge[$k]);
1360		- }
1361		- }
	799	+ // Subscribe the email immediately unless double opt-in is enabled
	800	+ // "unsubscribed" and "subscribed" existing emails have been excluded at this stage
	801	+ // "pending" emails should follow double opt-in rules
	802	+ $body->status = $double_optin ? 'pending' : 'subscribed';
1362	803
1363		- // If we have an empty $merge, then assign empty string.
1364		- if (count($merge) == 0 || $merge == '') {
1365		- $merge = '';
1366		- }
	804	+ return $body;
	805	+}
1367	806
1368		- if (isset($_POST['email_type']) && in_array($_POST['email_type'], array('text', 'html', 'mobile'))) {
1369		- $email_type = $_POST['email_type'];
1370		- }
1371		- else {
1372		- $email_type = 'html';
1373		- }
1374		-
1375		- // Custom validation based on type
1376		- if (is_array($merge) && !empty($merge)) {
1377		- foreach ($merge as $merge_key => $merge_value) {
1378		- if ($merge_key !== 'GROUPINGS') {
1379		- switch ($mv_tag_keys[$merge_key]['field_type']) {
1380		- case 'phone':
1381		- if ($mv_tag_keys[$merge_key]['phoneformat'] == 'US') {
1382		- $phone = $merge_value;
1383		- if (!empty($phone)) {
1384		- if (!preg_match('/[0-9]{0,3}-[0-9]{0,3}-[0-9]{0,4}/', $phone)) {
1385		- $errs[] = sprintf(__("%s must consist of only numbers", 'mailchimp_i18n'), esc_html($mv_tag_keys[$merge_key]['name']));
1386		- $success = false;
1387		- }
1388		- }
1389		- }
1390		- break;
1391		-
1392		- default:
1393		- break;
1394		- }
1395		- }
1396		- }
1397		- }
1398		- if ($success) {
1399		- $api = mailchimpSF_get_api();
1400		- if (!$api) { return; }
1401		-
1402		- $retval = $api->listSubscribe( $listId, $email, $merge, $email_type);
1403		- if (!$retval) {
1404		- switch($api->errorCode) {
1405		- case '105' :
1406		- $errs[] = __("Please try again later", 'mailchimp_i18n').'.';
1407		- break;
1408		- case '214' :
1409		- $msg = __("That email address is already subscribed to the list", 'mailchimp_i18n') . '.';
1410		-
1411		- $account = $api->getAccountDetails(array("modules", "orders", "rewards-credits", "rewards-inspections", "rewards-referrals", "rewards-applied"));
1412		- if (!$api->errorCode) {
1413		- $dc = get_option('mc_sopresto_dc');
1414		- $uid = $account['user_id'];
1415		- $username = preg_replace('/\s+/', '-', $account['username']);
1416		- $eid = base64_encode($email);
1417		- $msg .= ' ' . sprintf(__('<a href="%s">Click here to update your profile.</a>', 'mailchimp_i18n'), "http://$username.$dc.list-manage.com/subscribe/send-email?u=$uid&id=$listId&e=$eid");
1418		- }
1419		-
1420		- $errs[] = $msg;
1421		- $html_errs[] = count($errs)-1;
1422		- break;
1423		- case '250' :
1424		- list($field, $rest) = explode(' ', $api->errorMessage, 2);
1425		- $errs[] = sprintf(__("You must fill in %s.", 'mailchimp_i18n'), esc_html($mv_tag_keys[$field]['name']));
1426		- break;
1427		- case '254' :
1428		- list($i1, $i2, $i3, $field, $rest) = explode(' ',$api->errorMessage,5);
1429		- $errs[] = sprintf(__("%s has invalid content.", 'mailchimp_i18n'), esc_html($mv_tag_keys[$field]['name']));
1430		- break;
1431		- case '270' :
1432		- $errs[] = __("An invalid Interest Group was selected", 'mailchimp_i18n').'.';
1433		- break;
1434		- case '502' :
1435		- $errs[] = __("That email address is invalid", 'mailchimp_i18n').'.';
1436		- break;
1437		- default:
1438		- $errs[] = $api->errorCode.":".$api->errorMessage;
1439		- break;
1440		- }
1441		- $success = false;
1442		- }
1443		- }
	807	+/**
	808	+ * Check the status of a subscriber in the list.
	809	+ *
	810	+ * @param string $endpoint API endpoint to check the status.
	811	+ * @return string|false The subscription status ('subscribed', 'unsubscribed', 'pending', etc.) or false if the API returned 404 or an error occurred.
	812	+ */
	813	+function mailchimp_sf_check_status( $endpoint ) {
	814	+ $endpoint .= '?fields=status';
	815	+ $api = mailchimp_sf_get_api();
	816	+ $subscriber = $api->get( $endpoint, null );
	817	+ if ( is_wp_error( $subscriber ) ) {
	818	+ return false;
1444	819	}
	820	+ return $subscriber['status'];
	821	+}
1445	822
1446		- // If we have errors, then show them
1447		- if (count($errs) > 0) {
1448		- $msg = '<span class="mc_error_msg">';
1449		- foreach($errs as $error_index => $error){
1450		- if (!in_array($error_index, $html_errs)) {
1451		- $error = esc_html($error);
1452		- }
1453		- $msg .= '&raquo; '.$error.'<br />';
1454		- }
1455		- $msg .= '</span>';
	823	+/**
	824	+ * Verify key
	825	+ *
	826	+ * @param MailChimp_API $api API instance
	827	+ * @return mixed
	828	+ */
	829	+function mailchimp_sf_verify_key( $api ) {
	830	+ $user = $api->get( '' );
	831	+ if ( is_wp_error( $user ) ) {
	832	+ return $user;
1456	833	}
1457		- else {
1458		- $msg = "<strong class='mc_success_msg'>".esc_html(__("Success, you've been signed up! Please look for our confirmation email!", 'mailchimp_i18n'))."</strong>";
1459		- }
1460	834
1461		- // Set our global message
1462		- mailchimpSF_global_msg($msg);
	835	+ // Might as well set this data if we have it already.
	836	+ $valid_roles = array( 'owner', 'admin', 'manager' );
	837	+ if ( isset( $user['role'] ) && in_array( $user['role'], $valid_roles, true ) ) {
	838	+ update_option( 'mc_api_key', $api->key );
	839	+ update_option( 'mc_user', $user );
	840	+ update_option( 'mc_datacenter', $api->datacenter );
1463	841
1464		- return $success;
	842	+ } else {
	843	+ $msg = esc_html__( 'API Key must belong to "Owner", "Admin", or "Manager."', 'mailchimp' );
	844	+ return new WP_Error( 'mc-invalid-role', $msg );
	845	+ }
1465	846	}
1466	847
	848	+/**
	849	+ * Update profile URL.
	850	+ *
	851	+ * @param string $email Email
	852	+ * @return string
	853	+ */
	854	+function mailchimp_sf_update_profile_url( $email ) {
	855	+ $dc = get_option( 'mc_datacenter' );
	856	+ // This is the expected encoding for emails.
	857	+ $eid = base64_encode( $email ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode -- ignoring because this is the expected data for the endpoint
	858	+ $user = get_option( 'mc_user' );
	859	+ $list_id = get_option( 'mc_list_id' );
	860	+ $url = 'http://' . $dc . '.list-manage.com/subscribe/send-email?u=' . $user['account_id'] . '&id=' . $list_id . '&e=' . $eid;
	861	+ return $url;
	862	+}
1467	863
	864	+/**
	865	+ * Delete options
	866	+ *
	867	+ * @param array $options Options
	868	+ * @return void
	869	+ */
	870	+function mailchimp_sf_delete_options( $options = array() ) {
	871	+ foreach ( $options as $option ) {
	872	+ delete_option( $option );
	873	+ }
	874	+}
1468	875
1469	876	/**********************
1470	877	* Utility Functions *
1471		-**********************/
	878	+ **********************/
1472	879	/**
1473	880	* Utility function to allow placement of plugin in plugins, mu-plugins, child or parent theme's plugins folders
1474	881	*
1475	882	* This function must be ran _very early_ in the load process, as it sets up important constants for the rest of the plugin
1476	883	*/
1477		-function mailchimpSF_where_am_i() {
	884	+function mailchimp_sf_where_am_i() {
1478	885	$locations = array(
1479		- 'plugins' => array(
1480		- 'dir' => WP_PLUGIN_DIR,
1481		- 'url' => plugins_url()
	886	+ 'plugins' => array(
	887	+ 'dir' => plugin_dir_path( __FILE__ ),
	888	+ 'url' => plugins_url(),
1482	889	),
1483	890	'mu_plugins' => array(
1484		- 'dir' => WPMU_PLUGIN_DIR,
	891	+ 'dir' => plugin_dir_path( __FILE__ ),
1485	892	'url' => plugins_url(),
1486	893	),
1487		- 'template' => array(
1488		- 'dir' => trailingslashit(get_template_directory()).'plugins/',
1489		- 'url' => trailingslashit(get_template_directory_uri()).'plugins/',
	894	+ 'template' => array(
	895	+ 'dir' => trailingslashit( get_template_directory() ) . 'plugins/',
	896	+ 'url' => trailingslashit( get_template_directory_uri() ) . 'plugins/',
1490	897	),
1491	898	'stylesheet' => array(
1492		- 'dir' => trailingslashit(get_stylesheet_directory()).'plugins/',
1493		- 'url' => trailingslashit(get_stylesheet_directory_uri()).'plugins/',
	899	+ 'dir' => trailingslashit( get_stylesheet_directory() ) . 'plugins/',
	900	+ 'url' => trailingslashit( get_stylesheet_directory_uri() ) . 'plugins/',
1494	901	),
1495	902	);
1496	903
1497	904	// Set defaults
1498		- $mscf_dirbase = trailingslashit(basename(dirname(__FILE__))); // Typically wp-mailchimp/ or mailchimp/
1499		- $mscf_dir = trailingslashit(WP_PLUGIN_DIR).$mscf_dirbase;
1500		- $mscf_url = trailingslashit(WP_PLUGIN_URL).$mscf_dirbase;
	905	+ $mscf_dirbase = trailingslashit( basename( __DIR__ ) ); // Typically wp-mailchimp/ or mailchimp/
	906	+ $mscf_dir = trailingslashit( plugin_dir_path( __FILE__ ) );
	907	+ $mscf_url = trailingslashit( plugins_url( '', __FILE__ ) );
1501	908
1502	909	// Try our hands at finding the real location
1503		- foreach ($locations as $key => $loc) {
1504		- $dir = trailingslashit($loc['dir']).$mscf_dirbase;
1505		- $url = trailingslashit($loc['url']).$mscf_dirbase;
1506		- if (is_file($dir.basename(__FILE__))) {
	910	+ foreach ( $locations as $key => $loc ) {
	911	+ $dir = trailingslashit( $loc['dir'] ) . $mscf_dirbase;
	912	+ $url = trailingslashit( $loc['url'] ) . $mscf_dirbase;
	913	+ if ( is_file( $dir . basename( __FILE__ ) ) ) {
1507	914	$mscf_dir = $dir;
1508	915	$mscf_url = $url;
1509	916	break;
1510	917	}
		@@ -1510,21 +917,17 @@
1510	917	}
1511	918	}
1512	919
1513	920	// Define our complete filesystem path
1514		- define('MCSF_DIR', $mscf_dir);
	921	+ define( 'MCSF_DIR', $mscf_dir );
1515	922
1516		- /* Lang location needs to be relative *from* ABSPATH,
1517		- so strip it out of our language dir location */
1518		- define('MCSF_LANG_DIR', trailingslashit(MCSF_DIR).'po/');
1519		-
1520	923	// Define our complete URL to the plugin folder
1521		- define('MCSF_URL', $mscf_url);
	924	+ define( 'MCSF_URL', $mscf_url );
1522	925	}
1523	926
1524	927
1525	928	/**
1526		- * MODIFIED VERSION of wp_verify_nonce from WP Core. Core was not overridden to prevent problems when replacing
	929	+ * MODIFIED VERSION of wp_verify_nonce from WP Core. Core was not overridden to prevent problems when replacing
1527	930	* something universally.
1528	931	*
1529	932	* Verify that correct nonce was used with time limit.
1530	933	*
		@@ -1530,15 +933,15 @@
1530	933	*
1531	934	* The user is given an amount of time to use the token, so therefore, since the
1532	935	* UID and $action remain the same, the independent variable is the time.
1533	936	*
1534		- * @param string $nonce Nonce that was used in the form to verify
	937	+ * @param string $nonce Nonce that was used in the form to verify
1535	938	* @param string|int $action Should give context to what is taking place and be the same when nonce was created.
1536	939	* @return bool Whether the nonce check passed or failed.
1537	940	*/
1538		-function mailchimpSF_verify_nonce($nonce, $action = -1) {
	941	+function mailchimp_sf_verify_nonce( $nonce, $action = -1 ) {
1539	942	$user = wp_get_current_user();
1540		- $uid = (int) $user->ID;
	943	+ $uid = (int) $user->ID;
1541	944	if ( ! $uid ) {
1542	945	$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
1543	946	}
1544	947
		@@ -1546,12 +949,12 @@
1546	949	return false;
1547	950	}
1548	951
1549	952	$token = 'MAILCHIMP';
1550		- $i = wp_nonce_tick();
	953	+ $i = wp_nonce_tick();
1551	954
1552	955	// Nonce generated 0-12 hours ago
1553		- $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 );
	956	+ $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
1554	957	if ( hash_equals( $expected, $nonce ) ) {
1555	958	return 1;
1556	959	}
1557	960
		@@ -1566,9 +969,9 @@
1566	969	}
1567	970
1568	971
1569	972	/**
1570		- * MODIFIED VERSION of wp_create_nonce from WP Core. Core was not overridden to prevent problems when replacing
	973	+ * MODIFIED VERSION of wp_create_nonce from WP Core. Core was not overridden to prevent problems when replacing
1571	974	* something universally.
1572	975	*
1573	976	* Creates a cryptographic token tied to a specific action, user, and window of time.
1574	977	*
		@@ -1574,11 +977,11 @@
1574	977	*
1575	978	* @param string $action Scalar value to add context to the nonce.
1576	979	* @return string The token.
1577	980	*/
1578		-function mailchimpSF_create_nonce($action = -1) {
	981	+function mailchimp_sf_create_nonce( $action = -1 ) {
1579	982	$user = wp_get_current_user();
1580		- $uid = (int) $user->ID;
	983	+ $uid = (int) $user->ID;
1581	984	if ( ! $uid ) {
1582	985	/** This filter is documented in wp-includes/pluggable.php */
1583	986	$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
1584	987	}
		@@ -1583,9 +986,65 @@
1583	986	$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
1584	987	}
1585	988
1586	989	$token = 'MAILCHIMP';
1587		- $i = wp_nonce_tick();
	990	+ $i = wp_nonce_tick();
1588	991
1589	992	return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
1590	993	}
1591	994
	995	+/**
	996	+ * Get Mailchimp Access Token.
	997	+ *
	998	+ * @since 1.6.0
	999	+ * @return string|bool
	1000	+ */
	1001	+function mailchimp_sf_get_access_token() {
	1002	+ $access_token = get_option( 'mailchimp_sf_access_token' );
	1003	+ if ( empty( $access_token ) ) {
	1004	+ return false;
	1005	+ }
	1006	+
	1007	+ $data_encryption = new Mailchimp_Data_Encryption();
	1008	+ $access_token = $data_encryption->decrypt( $access_token );
	1009	+
	1010	+ // If decryption fails, display notice to user to re-authenticate.
	1011	+ if ( false === $access_token ) {
	1012	+ update_option( 'mailchimp_sf_auth_error', true );
	1013	+ }
	1014	+
	1015	+ return $access_token;
	1016	+}
	1017	+
	1018	+/**
	1019	+ * Should display Mailchimp Signup form.
	1020	+ *
	1021	+ * @since 1.6.0
	1022	+ * @return bool
	1023	+ */
	1024	+function mailchimp_sf_should_display_form() {
	1025	+ return mailchimp_sf_get_api() && ! get_option( 'mailchimp_sf_auth_error' ) && get_option( 'mc_list_id' );
	1026	+}
	1027	+
	1028	+/**
	1029	+ * Get Mailchimp Lists.
	1030	+ *
	1031	+ * @since 2.1.0
	1032	+ * @return array|WP_Error|false List of Mailchimp lists, or an error/false from the API request.
	1033	+ */
	1034	+function mailchimp_sf_get_lists() {
	1035	+ /**
	1036	+ * Filter the limit of lists to fetch.
	1037	+ *
	1038	+ * This value is sanitized to a positive integer and clamped before the API request.
	1039	+ * Defaults to 100. 1000 is the maximum allowed by the API. 1 is the minimum allowed.
	1040	+ */
	1041	+ $limit = apply_filters( 'mailchimp_sf_list_limit', 100 ); // Default to 100.
	1042	+ $limit = max( 1, min( 1000, absint( $limit ) ) );
	1043	+
	1044	+ $api = mailchimp_sf_get_api();
	1045	+ if ( ! $api ) {
	1046	+ return array();
	1047	+ }
	1048	+
	1049	+ return $api->get( 'lists', $limit, array( 'fields' => 'lists.id,lists.name,lists.email_type_option' ) );
	1050	+}