Uninstaller.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 5.3.3

matomo / classes / WpMatomo / Uninstaller.php

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Uninstaller.php

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