jetpack / _inc / lib / plugins.php

plugins.php in Jetpack – WP Security, Backup, Speed, & Growth 7.9, at _inc/lib/plugins.php

133 lines 3.7 KB

Raw Download Zip

1	<?php
2	/**
3	* Plugins Library
4	*
5	* Helper functions for installing and activating plugins.
6	*
7	* Used by the REST API
8	*
9	* @autounit api plugins
10	*/
11
12	include_once( 'class.jetpack-automatic-install-skin.php' );
13
14	class Jetpack_Plugins {
15
16	/**
17	* Install and activate a plugin.
18	*
19	* @since 5.8.0
20	*
21	* @param string $slug Plugin slug.
22	*
23	* @return bool\|WP_Error True if installation succeeded, error object otherwise.
24	*/
25	public static function install_and_activate_plugin( $slug ) {
26	$plugin_id = self::get_plugin_id_by_slug( $slug );
27
28	if ( ! $plugin_id ) {
29	$installed = self::install_plugin( $slug );
30	if ( is_wp_error( $installed ) ) {
31	return $installed;
32	}
33	$plugin_id = self::get_plugin_id_by_slug( $slug );
34	} else if ( is_plugin_active( $plugin_id ) ) {
35	return true; // Already installed and active
36	}
37
38	if ( ! current_user_can( 'activate_plugins' ) ) {
39	return new WP_Error( 'not_allowed', __( 'You are not allowed to activate plugins on this site.', 'jetpack' ) );
40	}
41
42	$activated = activate_plugin( $plugin_id );
43	if ( is_wp_error( $activated ) ) {
44	return $activated;
45	}
46
47	return true;
48	}
49
50	/**
51	* Install a plugin.
52	*
53	* @since 5.8.0
54	*
55	* @param string $slug Plugin slug.
56	*
57	* @return bool\|WP_Error True if installation succeeded, error object otherwise.
58	*/
59	public static function install_plugin( $slug ) {
60	if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
61	return new WP_Error( 'not_allowed', __( 'You are not allowed to install plugins on this site.', 'jetpack' ) );
62	}
63
64	$skin = new Jetpack_Automatic_Install_Skin();
65	$upgrader = new Plugin_Upgrader( $skin );
66	$zip_url = self::generate_wordpress_org_plugin_download_link( $slug );
67
68	$result = $upgrader->install( $zip_url );
69
70	if ( is_wp_error( $result ) ) {
71	return $result;
72	}
73
74	$plugin = Jetpack_Plugins::get_plugin_id_by_slug( $slug );
75	$error_code = 'install_error';
76	if ( ! $plugin ) {
77	$error = __( 'There was an error installing your plugin', 'jetpack' );
78	}
79
80	if ( ! $result ) {
81	$error_code = $upgrader->skin->get_main_error_code();
82	$message = $upgrader->skin->get_main_error_message();
83	$error = $message ? $message : __( 'An unknown error occurred during installation', 'jetpack' );
84	}
85
86	if ( ! empty( $error ) ) {
87	if ( 'download_failed' === $error_code ) {
88	// For backwards compatibility: versions prior to 3.9 would return no_package instead of download_failed.
89	$error_code = 'no_package';
90	}
91
92	return new WP_Error( $error_code, $error, 400 );
93	}
94
95	return (array) $upgrader->skin->get_upgrade_messages();
96	}
97
98	protected static function generate_wordpress_org_plugin_download_link( $plugin_slug ) {
99	return "https://downloads.wordpress.org/plugin/$plugin_slug.latest-stable.zip";
100	}
101
102	public static function get_plugin_id_by_slug( $slug ) {
103	// Check if get_plugins() function exists. This is required on the front end of the
104	// site, since it is in a file that is normally only loaded in the admin.
105	if ( ! function_exists( 'get_plugins' ) ) {
106	require_once ABSPATH . 'wp-admin/includes/plugin.php';
107	}
108
109	/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
110	$plugins = apply_filters( 'all_plugins', get_plugins() );
111	if ( ! is_array( $plugins ) ) {
112	return false;
113	}
114	foreach ( $plugins as $plugin_file => $plugin_data ) {
115	if ( self::get_slug_from_file_path( $plugin_file ) === $slug ) {
116	return $plugin_file;
117	}
118	}
119
120	return false;
121	}
122
123	protected static function get_slug_from_file_path( $plugin_file ) {
124	// Similar to get_plugin_slug() method.
125	$slug = dirname( $plugin_file );
126	if ( '.' === $slug ) {
127	$slug = preg_replace( "/(.+)\.php$/", "$1", $plugin_file );
128	}
129
130	return $slug;
131	}
132	}
133