Uninstaller.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 4.14.2

matomo / classes / WpMatomo / Uninstaller.php

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Uninstaller.php

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