Uninstaller.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 5.12.1

matomo / classes / WpMatomo / Uninstaller.php

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Uninstaller.php

167 lines

1	<?php
2	/**
3	* Matomo - free/libre analytics platform
4	*
5	* @link https://matomo.org
6	* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
7	* @package matomo
8	*/
9
10	namespace WpMatomo;
11
12	use Piwik\Config;
13	use WpMatomo\Admin\Dashboard;
14	use WpMatomo\Site\Sync\SyncConfig;
15
16	if ( ! defined( 'ABSPATH' ) ) {
17	exit; // if accessed directly
18	}
19	/**
20	* We need to access db not cache
21	* phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery
22	* phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching
23	*
24	* Table names management
25	* phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
26	* phpcs:disable WordPress.DB.PreparedSQL.NotPrepared
27	*/
28	class Uninstaller {
29
30	/**
31	* @var Logger
32	*/
33	private $logger;
34
35	public function __construct() {
36	$this->logger = self::make_logger();
37	}
38
39	private static function make_logger() {
40	return new Logger();
41	}
42
43	public function uninstall( $should_remove_all_data ) {
44	if ( function_exists( 'is_multisite' ) && is_multisite() ) {
45	$this->uninstall_multisite( $should_remove_all_data );
46	} else {
47	$this->uninstall_blog( $should_remove_all_data );
48	}
49
50	do_action( 'matomo_uninstall', $should_remove_all_data );
51	}
52
53	public function uninstall_blog( $should_remove_all_data ) {
54	$this->logger->log( 'Matomo is now uninstalling blogId ' . get_current_blog_id() );
55
56	$settings = new Settings();
57
58	$sync_config = new SyncConfig( $settings );
59
60	$tasks = new ScheduledTasks( $settings, $sync_config );
61	$tasks->uninstall();
62
63	$roles = new Roles( $settings );
64	$roles->uninstall();
65
66	$dashboard = new Dashboard();
67	$dashboard->uninstall();
68
69	$paths = new Paths();
70
71	if ( $should_remove_all_data ) {
72	$this->logger->log( 'Matomo is forced to remove all data' );
73
74	$settings->uninstall();
75
76	$this->drop_tables();
77
78	$site = new Site();
79	$site->uninstall();
80
81	$site = new User();
82	$site->uninstall();
83
84	$paths->uninstall();
85	} else {
86	$paths->clear_cache_dir();
87	}
88
89	do_action( 'matomo_uninstall_blog', $should_remove_all_data );
90
91	$this->logger->log( 'Matomo has finished uninstalling ' . get_current_blog_id() );
92	}
93
94	public static function uninstall_options( $prefix ) {
95	global $wpdb;
96
97	self::make_logger()->log( 'Removing options with prefix ' . $prefix );
98	$wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE '" . $prefix . "%';" );
99
100	wp_cache_flush();
101	}
102
103	public static function uninstall_site_meta( $prefix ) {
104	global $wpdb;
105
106	if ( ! empty( $wpdb->sitemeta ) ) {
107	// multisite
108	self::make_logger()->log( 'Removing sitemeta with prefix ' . $prefix );
109	$wpdb->query( "DELETE FROM $wpdb->sitemeta WHERE meta_key LIKE '" . $prefix . "%';" );
110
111	wp_cache_flush();
112	}
113
114	// not multisite
115	self::uninstall_options( $prefix );
116	}
117
118	public static function uninstall_user_meta( $prefix ) {
119	global $wpdb;
120
121	if ( ! empty( $wpdb->usermeta ) ) {
122	self::make_logger()->log( 'Removing usermeta with prefix ' . $prefix );
123	$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key LIKE '" . $prefix . "%';" );
124
125	wp_cache_flush();
126	}
127	}
128
129	public function uninstall_multisite( $should_remove_all_data ) {
130	global $wpdb;
131
132	$this->logger->log( 'Matomo is now uninstalling all blogs: ' . (int) $should_remove_all_data );
133
134	$blogs = $wpdb->get_results( 'SELECT blog_id, deleted FROM ' . $wpdb->blogs . ' ORDER BY blog_id', ARRAY_A );
135
136	if ( is_array( $blogs ) ) {
137	foreach ( $blogs as $blog ) {
138	if ( 1 === (int) $blog['deleted'] ) {
139	continue;
140	}
141
142	switch_to_blog( $blog['blog_id'] );
143
144	$this->uninstall_blog( $should_remove_all_data );
145
146	restore_current_blog();
147	}
148	}
149	}
150
151	private function drop_tables() {
152	global $wpdb;
153
154	$db_settings = new \WpMatomo\Db\Settings();
155	$installed_tables = $db_settings->get_installed_matomo_tables();
156	$this->logger->log( sprintf( 'Matomo will now drop %s matomo tables', count( $installed_tables ) ) );
157
158	foreach ( $installed_tables as $table_name ) {
159	// temporary table are used in tests and just making sure they are being removed
160	// $wpdb->query( "DROP TEMPORARY TABLE IF EXISTS `$tableName`" );
161	// two spaces between drop and table so it won't be replaced in WP tests
162	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.SchemaChange
163	$wpdb->query( "DROP TABLE IF EXISTS `$table_name`" );
164	}
165	}
166	}
167