two-factor-authentication / two-factor-login.php

two-factor-login.php in Two Factor Authentication 1.14.16, at two-factor-login.php

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1	<?php
2	/*
3	Plugin Name: Two Factor Authentication
4	Plugin URI: https://www.simbahosting.co.uk/s3/product/two-factor-authentication/
5	Description: Secure your WordPress login forms with two factor authentication - including WooCommerce login forms
6	Author: David Anderson, original plugin by Oskar Hane and enhanced by Dee Nutbourne
7	Author URI: https://www.simbahosting.co.uk
8	Version: 1.14.16
9	Text Domain: two-factor-authentication
10	Domain Path: /languages
11	License: GPLv2 or later
12	*/
13
14	register_activation_hook(__FILE__, 'simba_two_factor_authentication_activation');
15
16	if (!function_exists('simba_two_factor_authentication_activation')) {
17	function simba_two_factor_authentication_activation() {
18	if (!empty($GLOBALS['simba_two_factor_authentication'])) {
19	$is_2fa_plugin_active = false;
20	$installed_plugins_slugs = array_keys(get_plugins());
21	foreach ($installed_plugins_slugs as $installed_plugin_slug) {
22	if (is_plugin_active($installed_plugin_slug)) {
23	$temp_split_plugin_slug = explode('/', $installed_plugin_slug);
24	if (isset($temp_split_plugin_slug[1]) && 'two-factor-login.php' == $temp_split_plugin_slug[1]) {
25	$is_2fa_plugin_active = true;
26	break;
27	}
28	}
29	}
30
31	// We should prevent activation if and only if either the 2FA Premium or 2FA Free plugin is active.
32	// We should not prevent activation if either the AIOS plugin is active.
33	if ($is_2fa_plugin_active) {
34	if (file_exists(__DIR__.'/simba-tfa/premium/loader.php')) {
35	wp_die(__('To activate Two Factor Authentication Premium, first de-activate the free version (only one can be active at once).', 'two-factor-authentication'));
36	} else { // If the 2FA Premium plugin is active and tries to activate the 2FA Free Plugin, it throws a fatal error and stops activating the free version.
37	wp_die(__("You can't activate Two Factor Authentication (Free) because Two Factor Authentication Premium is active (only one can be active at once).", 'two-factor-authentication'));
38	}
39	}
40	}
41	}
42	}
43
44	if (!defined('SIMBA_TFA_TEXT_DOMAIN')) define('SIMBA_TFA_TEXT_DOMAIN', 'two-factor-authentication');
45	if (!class_exists('Simba_Two_Factor_Authentication_1')) require dirname(__FILE__).'/simba-tfa/simba-tfa.php';
46
47	if (!class_exists('Simba_Two_Factor_Authentication_Plugin')):
48	/**
49	* This parent-child relationship enables the two to be split without affecting backwards compatibility for developers making direct calls
50	*
51	* This class is for the plugin encapsulation.
52	*/
53	class Simba_Two_Factor_Authentication_Plugin extends Simba_Two_Factor_Authentication_1 {
54
55	public $version = '1.14.16';
56
57	const PHP_REQUIRED = '5.6';
58
59	/**
60	* Constructor, run upon plugin initiation
61	*
62	* @uses __FILE__
63	*/
64	public function __construct() {
65
66	add_action('plugins_loaded', array($this, 'plugins_loaded_load_textdomain'));
67
68	if (version_compare(PHP_VERSION, self::PHP_REQUIRED, '<' )) {
69	add_action('all_admin_notices', array($this, 'admin_notice_insufficient_php'));
70	$abort = true;
71	}
72
73	if (!function_exists('mcrypt_get_iv_size') && !function_exists('openssl_cipher_iv_length')) {
74	add_action('all_admin_notices', array($this, 'admin_notice_missing_mcrypt_and_openssl'));
75	$abort = true;
76	}
77
78	$encryption_enabled = $this->get_option('tfa_encrypt_secrets');
79	if ($encryption_enabled && (!defined('SIMBA_TFA_DB_ENCRYPTION_KEY') \|\| '' === SIMBA_TFA_DB_ENCRYPTION_KEY)) {
80	add_action('all_admin_notices', array($this, 'admin_notice_missing_db_encryption_key'));
81	}
82
83	if (!empty($abort)) return;
84
85	// Menu entries
86	add_action('admin_menu', array($this, 'menu_entry_for_admin'));
87	add_action('admin_menu', array($this, 'menu_entry_for_user'));
88	add_action('network_admin_menu', array($this, 'menu_entry_for_user'));
89
90	// Add settings link in plugin list
91	$plugin = plugin_basename(__FILE__);
92	add_filter("plugin_action_links_$plugin", array($this, 'add_plugin_settings_link'));
93	add_filter("network_admin_plugin_action_links_$plugin", array($this, 'add_plugin_settings_link'));
94
95	$this->set_user_settings_page_slug('two-factor-auth-user');
96
97	$this->set_plugin_translate_url('https://translate.wordpress.org/projects/wp-plugins/two-factor-authentication/');
98
99	if (is_multisite() && function_exists('switch_to_blog')) {
100	$main_site_id = function_exists('get_main_site_id') ? get_main_site_id() : 1;
101	switch_to_blog($main_site_id);
102	}
103	$this->set_site_wide_administration_url(admin_url('options-general.php?page=two-factor-auth'));
104	if (is_multisite() && function_exists('restore_current_blog')) restore_current_blog();
105
106	$this->set_premium_version_url('https://www.simbahosting.co.uk/s3/product/two-factor-authentication/');
107	$this->set_faq_url('https://wordpress.org/plugins/two-factor-authentication/#faq');
108	parent::__construct();
109
110	}
111
112	/**
113	* Runs upon the WP filters plugin_action_links_(plugin) and network_plugin_action_links_(plugin)
114	*
115	* @param Array $links
116	*
117	* @return Array
118	*/
119	public function add_plugin_settings_link($links) {
120	if (is_multisite()) {
121	$main_site_id = function_exists('get_main_site_id') ? get_main_site_id() : 1;
122	switch_to_blog($main_site_id);
123	$link = $this->get_settings_link();
124	restore_current_blog();
125	array_unshift($links, $link);
126	} else {
127	$link = $this->get_settings_link();
128	array_unshift($links, $link);
129	}
130
131	$link2 = '<a href="admin.php?page=two-factor-auth-user">'.__('User settings', 'two-factor-authentication').'</a>';
132	array_unshift($links, $link2);
133
134	return $links;
135	}
136
137	/**
138	* Get 2FA settings anchor tag link.
139	*
140	* @return string 2FA settings anchor tag link.
141	*/
142	private function get_settings_link() {
143	return '<a href="'.admin_url('options-general.php').'?page=two-factor-auth">'.__('Plugin settings', 'two-factor-authentication').'</a>';
144	}
145
146	/**
147	* Runs upon the WP actions admin_menu and network_admin_menu
148	*/
149	public function menu_entry_for_user() {
150
151	global $current_user;
152	if ($this->is_activated_for_user($current_user->ID)) {
153	add_menu_page(__('Two Factor Authentication', 'two-factor-authentication'), __('Two Factor Auth', 'two-factor-authentication'), 'read', 'two-factor-auth-user', array($this, 'show_dashboard_user_settings_page'), $this->includes_url().'/tfa_admin_icon_16x16.png', 72);
154	}
155	}
156
157	/**
158	* Runs upon the WP action admin_menu
159	*/
160	public function menu_entry_for_admin() {
161
162	$skip_adding_options_menu_entry = (is_multisite() && (!is_super_admin() \|\| !is_main_site()));
163
164	$skip_adding_options_menu_entry = apply_filters('simba_tfa_skip_adding_options_menu_entry', $skip_adding_options_menu_entry);
165
166	if ($skip_adding_options_menu_entry) return;
167
168	add_options_page(
169	__('Two Factor Authentication', 'two-factor-authentication'),
170	__('Two Factor Authentication', 'two-factor-authentication'),
171	$this->get_management_capability(),
172	'two-factor-auth',
173	array($this, 'show_admin_settings_page')
174	);
175	}
176
177	/**
178	* Include the admin settings page code
179	*/
180	public function show_admin_settings_page() {
181
182	if (!is_admin() \|\| !current_user_can($this->get_management_capability())) return;
183
184	$admin_settings_links = array();
185	if (!class_exists('Simba_Two_Factor_Authentication_Premium')) {
186	$admin_settings_links[] = array(
187	'url' => 'https://www.simbahosting.co.uk/s3/product/two-factor-authentication/',
188	'title' => __('Premium version', 'two-factor-authentication'),
189	);
190	}
191	$simba_tfa_support_url = apply_filters('simba_tfa_support_url', 'https://wordpress.org/support/plugin/two-factor-authentication/');
192
193	$admin_settings_links[] = array(
194	'url' => $simba_tfa_support_url,
195	'title' => __('Support', 'two-factor-authentication'),
196	);
197
198	$admin_settings_links[] = array(
199	'url' => 'https://profiles.wordpress.org/davidanderson#content-plugins',
200	'title' => __('More free plugins', 'two-factor-authentication'),
201	);
202
203	$admin_settings_links[] = array(
204	'url' => 'http://updraftplus.com',
205	'title' => 'UpdraftPlus - '.__('WordPress backups', 'two-factor-authentication'),
206	);
207
208	$admin_settings_links[] = array(
209	'url' => 'https://www.simbahosting.co.uk/s3/shop/',
210	'title' => __('More premium plugins', 'two-factor-authentication'),
211	);
212
213	$admin_settings_links[] = array(
214	'url' => 'https://twitter.com/updraftplus',
215	'title' => __('Twitter', 'two-factor-authentication'),
216	);
217
218	$admin_settings_links[] = array(
219	'url' => 'https://david.dw-perspective.org.uk',
220	'title' => __("Lead developer's homepage", 'two-factor-authentication'),
221	);
222
223	$admin_settings_links = apply_filters('simba_tfa_admin_settings_links', $admin_settings_links);
224
225	$this->include_template('admin-settings.php', array(
226	'settings_page_heading' => $this->get_settings_page_heading(),
227	'admin_settings_links' => $admin_settings_links,
228	));
229	}
230
231	/**
232	* Runs conditionally on the WP action all_admin_notices
233	*/
234	public function admin_notice_insufficient_php() {
235	$this->show_admin_warning('<strong>'.__('Higher PHP version required', 'two-factor-authentication').'</strong><br> '.sprintf(__('The Two Factor Authentication plugin requires PHP version %s or higher - your current version is only %s.', 'two-factor-authentication'), self::PHP_REQUIRED, PHP_VERSION), 'error');
236	}
237
238	/**
239	* Runs conditionally on the WP action all_admin_notices
240	*/
241	public function admin_notice_missing_mcrypt_and_openssl() {
242	$this->show_admin_warning('<strong>'.__('PHP OpenSSL or mcrypt module required', 'two-factor-authentication').'</strong><br> '.__('The Two Factor Authentication plugin requires either the PHP openssl (preferred) or mcrypt module to be installed. Please ask your web hosting company to install one of them.', 'two-factor-authentication'), 'error');
243	}
244
245	/**
246	* Runs conditionally on the WP action all_admin_notices
247	*/
248	public function admin_notice_missing_db_encryption_key() {
249	$this->show_admin_warning('<strong>'.__('Two Factor Authentication encryption key not found', 'two-factor-authentication').'</strong><br> '.htmlspecialchars(__('The "encrypt secrets" feature is currently enabled, but no encryption key has been found (set via the SIMBA_TFA_DB_ENCRYPTION_KEY constant).', SIMBA_TFA_TEXT_DOMAIN).' '.__('This indicates that either setup failed, or your WordPress installation has been corrupted.', SIMBA_TFA_TEXT_DOMAIN)) . ' <a href="' . esc_url($this->get_faq_url()) . '">'. __('Go here for the FAQs, which explain how a website owner can de-activate the plugin without needing to login.', SIMBA_TFA_TEXT_DOMAIN) .'</a>', 'error');
250	}
251
252	/**
253	* Run upon the WP plugins_loaded action. This method is called even if main loading aborts - so don't put anything else in it (use a separate method).
254	*/
255	public function plugins_loaded_load_textdomain() {
256	load_plugin_textdomain(
257	'two-factor-authentication',
258	false,
259	dirname(plugin_basename(__FILE__)).'/languages/'
260	);
261
262	$this->set_settings_page_heading(sprintf(__('Two Factor Authentication (Version: %s) - Admin Settings', 'two-factor-authentication'), $this->version));
263
264	}
265	}
266	endif;
267
268	$GLOBALS['simba_two_factor_authentication'] = new Simba_Two_Factor_Authentication_Plugin();
269
270	if (file_exists(__DIR__.'/simba-tfa/premium/loader.php') && empty($GLOBALS['simba_two_factor_authentication_premium'])) {
271	if (!class_exists('Simba_Two_Factor_Authentication_Premium')) include_once(__DIR__.'/simba-tfa/premium/loader.php');
272
273	$GLOBALS['simba_two_factor_authentication_premium'] = new Simba_Two_Factor_Authentication_Premium($GLOBALS['simba_two_factor_authentication']);
274
275	if (!class_exists('Updraft_Manager_Updater_1_8')) require_once(plugin_dir_path(__FILE__).'vendor/davidanderson684/simba-plugin-manager-updater/class-udm-updater.php');
276
277	try {
278	new Updraft_Manager_Updater_1_8('https://www.simbahosting.co.uk/s3', 1, 'two-factor-authentication-premium/two-factor-login.php', array('require_login' => false));
279	} catch (Exception $e) {
280	error_log($e->getMessage());
281	}
282	}
283