wordpress-seo / admin / class-yoast-plugin-conflict.php

class-yoast-plugin-conflict.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.7, at admin/class-yoast-plugin-conflict.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO\Admin
6	* @since 1.7.0
7	*/
8
9	/**
10	* Base class for handling plugin conflicts.
11	*/
12	class Yoast_Plugin_Conflict {
13
14	/**
15	* The plugins must be grouped per section.
16	*
17	* It's possible to check for each section if there are conflicting plugins.
18	*
19	* @var array
20	*/
21	protected $plugins = [];
22
23	/**
24	* All the current active plugins will be stored in this private var.
25	*
26	* @var array
27	*/
28	protected $all_active_plugins = [];
29
30	/**
31	* After searching for active plugins that are in $this->plugins the active plugins will be stored in this
32	* property.
33	*
34	* @var array
35	*/
36	protected $active_conflicting_plugins = [];
37
38	/**
39	* Property for holding instance of itself.
40	*
41	* @var Yoast_Plugin_Conflict
42	*/
43	protected static $instance;
44
45	/**
46	* For the use of singleton pattern. Create instance of itself and return this instance.
47	*
48	* @param string $class_name Give the classname to initialize. If classname is
49	* false (empty) it will use it's own __CLASS__.
50	*
51	* @return Yoast_Plugin_Conflict
52	*/
53	public static function get_instance( $class_name = '' ) {
54
55	if ( \is_null( self::$instance ) ) {
56	if ( ! \is_string( $class_name ) \|\| $class_name === '' ) {
57	$class_name = __CLASS__;
58	}
59
60	self::$instance = new $class_name();
61	}
62
63	return self::$instance;
64	}
65
66	/**
67	* Setting instance, all active plugins and search for active plugins.
68	*
69	* Protected constructor to prevent creating a new instance of the
70	* Singleton via the `new` operator from outside of this class.
71	*/
72	protected function __construct() {
73	// Set active plugins.
74	$this->all_active_plugins = \get_option( 'active_plugins' );
75
76	if ( \filter_input( INPUT_GET, 'action' ) === 'deactivate' ) {
77	$this->remove_deactivated_plugin();
78	}
79
80	// Search for active plugins.
81	$this->search_active_plugins();
82	}
83
84	/**
85	* Check if there are conflicting plugins for given $plugin_section.
86	*
87	* @param string $plugin_section Type of plugin conflict (such as Open Graph or sitemap).
88	*
89	* @return bool
90	*/
91	public function check_for_conflicts( $plugin_section ) {
92
93	static $sections_checked;
94
95	// Return early if there are no active conflicting plugins at all.
96	if ( empty( $this->active_conflicting_plugins ) ) {
97	return false;
98	}
99
100	if ( $sections_checked === null ) {
101	$sections_checked = [];
102	}
103
104	if ( ! \in_array( $plugin_section, $sections_checked, true ) ) {
105	$sections_checked[] = $plugin_section;
106	$has_conflicts = ( ! empty( $this->active_conflicting_plugins[ $plugin_section ] ) );
107
108	return $has_conflicts;
109	}
110
111	return false;
112	}
113
114	/**
115	* Getting all the conflicting plugins and return them as a string.
116	*
117	* This method will loop through all conflicting plugins to get the details of each plugin. The plugin name
118	* will be taken from the details to parse a comma separated string, which can be use for by example a notice
119	*
120	* @deprecated 17.7 This method is unused and will be removed in the future
121	* @codeCoverageIgnore
122	*
123	* @param string $plugin_section Plugin conflict type (such as Open Graph or sitemap).
124	*
125	* @return string
126	*/
127	public function get_conflicting_plugins_as_string( $plugin_section ) {
128	if ( ! \function_exists( 'get_plugin_data' ) ) {
129	require_once ABSPATH . 'wp-admin/includes/plugin.php';
130	}
131
132	// Getting the active plugins by given section.
133	$plugins = $this->active_conflicting_plugins[ $plugin_section ];
134
135	$plugin_names = [];
136	foreach ( $plugins as $plugin ) {
137	$name = $this->get_plugin_name( $plugin );
138	if ( ! empty( $name ) ) {
139	$plugin_names[] = '<em>' . $name . '</em>';
140	}
141	}
142	unset( $plugins, $plugin );
143
144	if ( ! empty( $plugin_names ) ) {
145	return \implode( ' & ', $plugin_names );
146	}
147	}
148
149	/**
150	* Checks for given $plugin_sections for conflicts.
151	*
152	* @param array $plugin_sections Set of sections.
153	*/
154	public function check_plugin_conflicts( $plugin_sections ) {
155	foreach ( $plugin_sections as $plugin_section => $readable_plugin_section ) {
156	// Check for conflicting plugins and show error if there are conflicts.
157	if ( $this->check_for_conflicts( $plugin_section ) ) {
158	$this->set_error( $plugin_section, $readable_plugin_section );
159	}
160	}
161
162	// List of all active sections.
163	$sections = \array_keys( $plugin_sections );
164	// List of all sections.
165	$all_plugin_sections = \array_keys( $this->plugins );
166
167	/*
168	* Get all sections that are inactive.
169	* These plugins need to be cleared.
170	*
171	* This happens when Sitemaps or OpenGraph implementations toggle active/disabled.
172	*/
173	$inactive_sections = \array_diff( $all_plugin_sections, $sections );
174	if ( ! empty( $inactive_sections ) ) {
175	foreach ( $inactive_sections as $section ) {
176	\array_walk( $this->plugins[ $section ], [ $this, 'clear_error' ] );
177	}
178	}
179
180	// For active sections clear errors for inactive plugins.
181	foreach ( $sections as $section ) {
182	// By default clear errors for all plugins of the section.
183	$inactive_plugins = $this->plugins[ $section ];
184
185	// If there are active plugins, filter them from being cleared.
186	if ( isset( $this->active_conflicting_plugins[ $section ] ) ) {
187	$inactive_plugins = \array_diff( $this->plugins[ $section ], $this->active_conflicting_plugins[ $section ] );
188	}
189
190	\array_walk( $inactive_plugins, [ $this, 'clear_error' ] );
191	}
192	}
193
194	/**
195	* Setting an error on the screen.
196	*
197	* @param string $plugin_section Type of conflict group (such as Open Graph or sitemap).
198	* @param string $readable_plugin_section This is the value for the translation.
199	*/
200	protected function set_error( $plugin_section, $readable_plugin_section ) {
201
202	$notification_center = Yoast_Notification_Center::get();
203
204	foreach ( $this->active_conflicting_plugins[ $plugin_section ] as $plugin_file ) {
205
206	$plugin_name = $this->get_plugin_name( $plugin_file );
207
208	$error_message = '';
209	/* translators: %1$s: 'Facebook & Open Graph' plugin name(s) of possibly conflicting plugin(s), %2$s to Yoast SEO */
210	$error_message .= '<p>' . sprintf( __( 'The %1$s plugin might cause issues when used in conjunction with %2$s.', 'wordpress-seo' ), '<em>' . $plugin_name . '</em>', 'Yoast SEO' ) . '</p>';
211	$error_message .= '<p>' . sprintf( $readable_plugin_section, 'Yoast SEO', $plugin_name ) . '</p>';
212
213	/* translators: %s: 'Facebook' plugin name of possibly conflicting plugin */
214	$error_message .= '<a class="button button-primary" href="' . wp_nonce_url( 'plugins.php?action=deactivate&plugin=' . $plugin_file . '&plugin_status=all', 'deactivate-plugin_' . $plugin_file ) . '">' . sprintf( __( 'Deactivate %s', 'wordpress-seo' ), $this->get_plugin_name( $plugin_file ) ) . '</a> ';
215
216	$identifier = $this->get_notification_identifier( $plugin_file );
217
218	// Add the message to the notifications center.
219	$notification_center->add_notification(
220	new Yoast_Notification(
221	$error_message,
222	[
223	'type' => Yoast_Notification::ERROR,
224	'id' => 'wpseo-conflict-' . $identifier,
225	]
226	)
227	);
228	}
229	}
230
231	/**
232	* Clear the notification for a plugin.
233	*
234	* @param string $plugin_file Clear the optional notification for this plugin.
235	*/
236	public function clear_error( $plugin_file ) {
237	$identifier = $this->get_notification_identifier( $plugin_file );
238
239	$notification_center = Yoast_Notification_Center::get();
240	$notification_center->remove_notification_by_id( 'wpseo-conflict-' . $identifier );
241	}
242
243	/**
244	* Loop through the $this->plugins to check if one of the plugins is active.
245	*
246	* This method will store the active plugins in $this->active_plugins.
247	*/
248	protected function search_active_plugins() {
249	foreach ( $this->plugins as $plugin_section => $plugins ) {
250	$this->check_plugins_active( $plugins, $plugin_section );
251	}
252	}
253
254	/**
255	* Loop through plugins and check if each plugin is active.
256	*
257	* @param array $plugins Set of plugins.
258	* @param string $plugin_section Type of conflict group (such as Open Graph or sitemap).
259	*/
260	protected function check_plugins_active( $plugins, $plugin_section ) {
261	foreach ( $plugins as $plugin ) {
262	if ( $this->check_plugin_is_active( $plugin ) ) {
263	$this->add_active_plugin( $plugin_section, $plugin );
264	}
265	}
266	}
267
268	/**
269	* Check if given plugin exists in array with all_active_plugins.
270	*
271	* @param string $plugin Plugin basename string.
272	*
273	* @return bool
274	*/
275	protected function check_plugin_is_active( $plugin ) {
276	return \in_array( $plugin, $this->all_active_plugins, true );
277	}
278
279	/**
280	* Add plugin to the list of active plugins.
281	*
282	* This method will check first if key $plugin_section exists, if not it will create an empty array
283	* If $plugin itself doesn't exist it will be added.
284	*
285	* @param string $plugin_section Type of conflict group (such as Open Graph or sitemap).
286	* @param string $plugin Plugin basename string.
287	*/
288	protected function add_active_plugin( $plugin_section, $plugin ) {
289	if ( ! \array_key_exists( $plugin_section, $this->active_conflicting_plugins ) ) {
290	$this->active_conflicting_plugins[ $plugin_section ] = [];
291	}
292
293	if ( ! \in_array( $plugin, $this->active_conflicting_plugins[ $plugin_section ], true ) ) {
294	$this->active_conflicting_plugins[ $plugin_section ][] = $plugin;
295	}
296	}
297
298	/**
299	* Search in $this->plugins for the given $plugin.
300	*
301	* If there is a result it will return the plugin category.
302	*
303	* @param string $plugin Plugin basename string.
304	*
305	* @return int\|string
306	*/
307	protected function find_plugin_category( $plugin ) {
308	foreach ( $this->plugins as $plugin_section => $plugins ) {
309	if ( \in_array( $plugin, $plugins, true ) ) {
310	return $plugin_section;
311	}
312	}
313	}
314
315	/**
316	* Get plugin name from file.
317	*
318	* @param string $plugin Plugin path relative to plugins directory.
319	*
320	* @return string\|bool Plugin name or false when no name is set.
321	*/
322	protected function get_plugin_name( $plugin ) {
323	$plugin_details = \get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
324
325	if ( $plugin_details['Name'] !== '' ) {
326	return $plugin_details['Name'];
327	}
328
329	return false;
330	}
331
332	/**
333	* When being in the deactivation process the currently deactivated plugin has to be removed.
334	*/
335	private function remove_deactivated_plugin() {
336	$deactivated_plugin = \filter_input( INPUT_GET, 'plugin' );
337	$key_to_remove = \array_search( $deactivated_plugin, $this->all_active_plugins, true );
338
339	if ( $key_to_remove !== false ) {
340	unset( $this->all_active_plugins[ $key_to_remove ] );
341	}
342	}
343
344	/**
345	* Get the identifier from the plugin file.
346	*
347	* @param string $plugin_file Plugin file to get Identifier from.
348	*
349	* @return string
350	*/
351	private function get_notification_identifier( $plugin_file ) {
352	return \md5( $plugin_file );
353	}
354	}
355