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

two-factor-login.php in Two Factor Authentication 1.15.5, 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: 1.15.5
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(esc_html__('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(esc_html__("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 $version = '1.15.5';
56
57	const PHP_REQUIRED = '5.6';
58
59	/**
60	* Constructor, run upon plugin initiation
61	*
62	* @uses __FILE__
63	*/
64	public function __construct() {
65
66	add_action('plugins_loaded', array($this, 'plugins_loaded_load_textdomain'));
67
68	add_action('init', array($this, 'init_child'));
69
70	if (version_compare(PHP_VERSION, self::PHP_REQUIRED, '<' )) {
71	add_action('all_admin_notices', array($this, 'admin_notice_insufficient_php'));
72	$abort = true;
73	}
74
75	if (!function_exists('mcrypt_get_iv_size') && !function_exists('openssl_cipher_iv_length')) {
76	add_action('all_admin_notices', array($this, 'admin_notice_missing_mcrypt_and_openssl'));
77	$abort = true;
78	}
79
80	$encryption_enabled = $this->get_option('tfa_encrypt_secrets');
81	if ($encryption_enabled && (!defined('SIMBA_TFA_DB_ENCRYPTION_KEY') \|\| '' === SIMBA_TFA_DB_ENCRYPTION_KEY)) {
82	add_action('all_admin_notices', array($this, 'admin_notice_missing_db_encryption_key'));
83	}
84
85	if (!empty($abort)) return;
86
87	// Menu entries
88	add_action('admin_menu', array($this, 'menu_entry_for_admin'));
89	add_action('admin_menu', array($this, 'menu_entry_for_user'));
90	add_action('network_admin_menu', array($this, 'menu_entry_for_user'));
91
92	// Add settings link in plugin list
93	$plugin = plugin_basename(__FILE__);
94	add_filter("plugin_action_links_$plugin", array($this, 'add_plugin_settings_link'));
95	add_filter("network_admin_plugin_action_links_$plugin", array($this, 'add_plugin_settings_link'));
96
97	$this->set_user_settings_page_slug('two-factor-auth-user');
98
99	$this->set_plugin_translate_url('https://translate.wordpress.org/projects/wp-plugins/two-factor-authentication/');
100
101	if (is_multisite() && function_exists('switch_to_blog')) {
102	$main_site_id = function_exists('get_main_site_id') ? get_main_site_id() : 1;
103	switch_to_blog($main_site_id);
104	}
105	$this->set_site_wide_administration_url(admin_url('options-general.php?page=two-factor-auth'));
106	if (is_multisite() && function_exists('restore_current_blog')) restore_current_blog();
107
108	$this->set_premium_version_url('https://www.simbahosting.co.uk/s3/product/two-factor-authentication/');
109	$this->set_faq_url('https://wordpress.org/plugins/two-factor-authentication/#faq');
110	parent::__construct();
111
112	}
113
114	/**
115	* Runs upon the WP filters plugin_action_links_(plugin) and network_plugin_action_links_(plugin)
116	*
117	* @param Array $links
118	*
119	* @return Array
120	*/
121	public function add_plugin_settings_link($links) {
122	if (is_multisite()) {
123	$main_site_id = function_exists('get_main_site_id') ? get_main_site_id() : 1;
124	switch_to_blog($main_site_id);
125	$link = $this->get_settings_link();
126	restore_current_blog();
127	array_unshift($links, $link);
128	} else {
129	$link = $this->get_settings_link();
130	array_unshift($links, $link);
131	}
132
133	$link2 = '<a href="admin.php?page=two-factor-auth-user">'.__('User settings', 'two-factor-authentication').'</a>';
134	array_unshift($links, $link2);
135
136	return $links;
137	}
138
139	/**
140	* Get 2FA settings anchor tag link.
141	*
142	* @return string 2FA settings anchor tag link.
143	*/
144	private function get_settings_link() {
145	return '<a href="'.admin_url('options-general.php').'?page=two-factor-auth">'.__('Plugin settings', 'two-factor-authentication').'</a>';
146	}
147
148	/**
149	* Runs upon the WP actions admin_menu and network_admin_menu
150	*/
151	public function menu_entry_for_user() {
152
153	global $current_user;
154	if ($this->is_activated_for_user($current_user->ID)) {
155	add_menu_page(__('Two Factor Authentication', 'two-factor-authentication'), __('Two Factor Auth', 'two-factor-authentication'), 'read', 'two-factor-auth-user', array($this, 'show_dashboard_user_settings_page'), $this->includes_url().'/tfa_admin_icon_16x16.png', 72);
156	}
157	}
158
159	/**
160	* Runs upon the WP action admin_menu
161	*/
162	public function menu_entry_for_admin() {
163
164	$skip_adding_options_menu_entry = (is_multisite() && (!is_super_admin() \|\| !is_main_site()));
165
166	$skip_adding_options_menu_entry = apply_filters('simba_tfa_skip_adding_options_menu_entry', $skip_adding_options_menu_entry);
167
168	if ($skip_adding_options_menu_entry) return;
169
170	add_options_page(
171	__('Two Factor Authentication', 'two-factor-authentication'),
172	__('Two Factor Authentication', 'two-factor-authentication'),
173	$this->get_management_capability(),
174	'two-factor-auth',
175	array($this, 'show_admin_settings_page')
176	);
177	}
178
179	/**
180	* Include the admin settings page code
181	*/
182	public function show_admin_settings_page() {
183
184	if (!is_admin() \|\| !current_user_can($this->get_management_capability())) return;
185
186	$admin_settings_links = array();
187	if (!class_exists('Simba_Two_Factor_Authentication_Premium')) {
188	$admin_settings_links[] = array(
189	'url' => 'https://www.simbahosting.co.uk/s3/product/two-factor-authentication/',
190	'title' => __('Premium version', 'two-factor-authentication'),
191	);
192	}
193	$simba_tfa_support_url = apply_filters('simba_tfa_support_url', 'https://wordpress.org/support/plugin/two-factor-authentication/');
194
195	$admin_settings_links[] = array(
196	'url' => $simba_tfa_support_url,
197	'title' => __('Support', 'two-factor-authentication'),
198	);
199
200	$admin_settings_links[] = array(
201	'url' => 'https://profiles.wordpress.org/davidanderson#content-plugins',
202	'title' => __('More free plugins', 'two-factor-authentication'),
203	);
204
205	$admin_settings_links[] = array(
206	'url' => 'http://updraftplus.com',
207	'title' => 'UpdraftPlus - '.__('WordPress backups', 'two-factor-authentication'),
208	);
209
210	$admin_settings_links[] = array(
211	'url' => 'https://www.simbahosting.co.uk/s3/shop/',
212	'title' => __('More premium plugins', 'two-factor-authentication'),
213	);
214
215	$admin_settings_links[] = array(
216	'url' => 'https://twitter.com/updraftplus',
217	'title' => __('Twitter', 'two-factor-authentication'),
218	);
219
220	$admin_settings_links[] = array(
221	'url' => 'https://david.dw-perspective.org.uk',
222	'title' => __("Lead developer's homepage", 'two-factor-authentication'),
223	);
224
225	$admin_settings_links = apply_filters('simba_tfa_admin_settings_links', $admin_settings_links);
226
227	$this->include_template('admin-settings.php', array(
228	'settings_page_heading' => $this->get_settings_page_heading(),
229	'admin_settings_links' => $admin_settings_links,
230	));
231	}
232
233	/**
234	* Runs conditionally on the WP action all_admin_notices
235	*/
236	public function admin_notice_insufficient_php() {
237	/* translators: 1. PHP required 2. PHP version. */
238	$this->show_admin_warning('<strong>'.__('Higher PHP version required', 'two-factor-authentication').'</strong><br> '.sprintf(__('The Two Factor Authentication plugin requires PHP version %1$s or higher - your current version is only %2$s.', 'two-factor-authentication'), self::PHP_REQUIRED, PHP_VERSION), 'error');
239	}
240
241	/**
242	* Runs conditionally on the WP action all_admin_notices
243	*/
244	public function admin_notice_missing_mcrypt_and_openssl() {
245	$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');
246	}
247
248	/**
249	* Runs conditionally on the WP action all_admin_notices
250	*/
251	public function admin_notice_missing_db_encryption_key() {
252	$this->show_admin_warning('<strong>'.__('Two Factor Authentication encryption key not found', 'two-factor-authentication').'</strong><br> '.htmlspecialchars(__('The "encrypt secrets" feature is currently enabled, but no encryption key has been found (set via the SIMBA_TFA_DB_ENCRYPTION_KEY constant).', 'two-factor-authentication').' '.__('This indicates that either setup failed, or your WordPress installation has been corrupted.', 'two-factor-authentication')) . ' <a href="' . esc_url($this->get_faq_url()) . '">'. __('Go here for the FAQs, which explain how a website owner can de-activate the plugin without needing to login.', 'two-factor-authentication') .'</a>', 'error');
253	}
254
255	/**
256	* 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).
257	*/
258	public function plugins_loaded_load_textdomain() {
259	load_plugin_textdomain(
260	'two-factor-authentication',
261	false,
262	dirname(plugin_basename(__FILE__)).'/languages/'
263	);
264	}
265
266	/**
267	* Run upon the WP init action. This method is called even if main loading aborts - so don't put anything else in it (use a separate method).
268	*/
269	public function init_child() {
270	/* translators: %s: plugin version. */
271	$this->set_settings_page_heading(sprintf(__('Two Factor Authentication (Version: %s) - Admin Settings', 'two-factor-authentication'), $this->version));
272	}
273	}
274	endif;
275
276	$GLOBALS['simba_two_factor_authentication'] = new Simba_Two_Factor_Authentication_Plugin();
277
278	if (file_exists(__DIR__.'/simba-tfa/premium/loader.php') && empty($GLOBALS['simba_two_factor_authentication_premium'])) {
279	if (!class_exists('Simba_Two_Factor_Authentication_Premium')) include_once(__DIR__.'/simba-tfa/premium/loader.php');
280
281	$GLOBALS['simba_two_factor_authentication_premium'] = new Simba_Two_Factor_Authentication_Premium($GLOBALS['simba_two_factor_authentication']);
282
283	if (!class_exists('Updraft_Manager_Updater_1_9')) require_once(plugin_dir_path(__FILE__).'vendor/davidanderson684/simba-plugin-manager-updater/class-udm-updater.php');
284
285	try {
286	new Updraft_Manager_Updater_1_9('https://www.simbahosting.co.uk/s3', 1, 'two-factor-authentication-premium/two-factor-login.php', array('require_login' => false));
287	} catch (Exception $e) {
288	// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log -- Required for error handling.
289	error_log($e->getMessage());
290	}
291	}
292