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<?php
/**
* Plugins Library
*
* Helper functions for installing and activating plugins.
*
* Used by the REST API
*
* @package jetpack-plugins-installer
*/
namespace Automattic\Jetpack;
use Plugin_Upgrader;
use WP_Error;
/**
* Plugins management tools.
*/
class Plugins_Installer {
/**
* Ensures that plugins functions are loaded, as they are only loaded in admin context by default.
*/
private static function ensure_plugin_functions_are_loaded() {
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
}
/**
* Install and activate a plugin.
*
* @since-jetpack 5.8.0
*
* @param string $slug Plugin slug.
*
* @return bool|WP_Error True if installation succeeded, error object otherwise.
*/
public static function install_and_activate_plugin( $slug ) {
$plugin_id = self::get_plugin_id_by_slug( $slug );
if ( ! $plugin_id ) {
$installed = self::install_plugin( $slug );
if ( is_wp_error( $installed ) ) {
return $installed;
}
$plugin_id = self::get_plugin_id_by_slug( $slug );
} elseif ( self::is_plugin_active( $plugin_id ) ) {
return true; // Already installed and active.
}
if ( ! current_user_can( 'activate_plugins' ) ) {
return new WP_Error( 'not_allowed', __( 'You are not allowed to activate plugins on this site.', 'jetpack-plugins-installer' ) );
}
$activated = activate_plugin( $plugin_id );
if ( is_wp_error( $activated ) ) {
return $activated;
}
return true;
}
/**
* Install a plugin.
*
* @since-jetpack 5.8.0
*
* @param string $slug Plugin slug.
*
* @return bool|WP_Error True if installation succeeded, error object otherwise.
*/
public static function install_plugin( $slug ) {
if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
return new WP_Error( 'not_allowed', __( 'You are not allowed to install plugins on this site.', 'jetpack-plugins-installer' ) );
}
$skin = new Automatic_Install_Skin();
$upgrader = new Plugin_Upgrader( $skin );
$zip_url = self::generate_wordpress_org_plugin_download_link( $slug );
$mc_stats = new A8c_Mc_Stats();
$result = $upgrader->install( $zip_url );
if ( is_wp_error( $result ) ) {
$mc_stats->add( 'install-plugin', "fail-$slug" );
return $result;
}
$plugin = self::get_plugin_id_by_slug( $slug );
$error_code = 'install_error';
if ( ! $plugin ) {
$error = __( 'There was an error installing your plugin', 'jetpack-plugins-installer' );
}
if ( ! $result ) {
$error_code = $upgrader->skin->get_main_error_code();
$message = $upgrader->skin->get_main_error_message();
$error = $message ? $message : __( 'An unknown error occurred during installation', 'jetpack-plugins-installer' );
}
if ( ! empty( $error ) ) {
if ( 'download_failed' === $error_code ) {
// For backwards compatibility: versions prior to 3.9 would return no_package instead of download_failed.
$error_code = 'no_package';
}
$mc_stats->add( 'install-plugin', "fail-$slug" );
return new WP_Error( $error_code, $error, 400 );
}
$mc_stats->add( 'install-plugin', "success-$slug" );
return (array) $upgrader->skin->get_upgrade_messages();
}
/**
* Get WordPress.org zip download link from a plugin slug
*
* @param string $plugin_slug Plugin slug.
*/
protected static function generate_wordpress_org_plugin_download_link( $plugin_slug ) {
return "https://downloads.wordpress.org/plugin/$plugin_slug.latest-stable.zip";
}
/**
* Get the plugin ID (composed of the plugin slug and the name of the main plugin file) from a plugin slug.
*
* @param string $slug Plugin slug.
*/
public static function get_plugin_id_by_slug( $slug ) {
// Check if get_plugins() function exists. This is required on the front end of the
// site, since it is in a file that is normally only loaded in the admin.
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
$plugins = apply_filters( 'all_plugins', get_plugins() );
if ( ! is_array( $plugins ) ) {
return false;
}
foreach ( $plugins as $plugin_file => $plugin_data ) {
if ( self::get_slug_from_file_path( $plugin_file ) === $slug ) {
return $plugin_file;
}
}
return false;
}
/**
* Get the plugin slug from the plugin ID (composed of the plugin slug and the name of the main plugin file)
*
* @param string $plugin_file Plugin file (ID -- e.g. hello-dolly/hello.php).
*/
protected static function get_slug_from_file_path( $plugin_file ) {
// Similar to get_plugin_slug() method.
$slug = dirname( $plugin_file );
if ( '.' === $slug ) {
$slug = preg_replace( '/(.+)\.php$/', '$1', $plugin_file );
}
return $slug;
}
/**
* Get the activation status for a plugin.
*
* @since-jetpack 8.9.0
*
* @param string $plugin_file The plugin file to check.
* @return string Either 'network-active', 'active' or 'inactive'.
*/
public static function get_plugin_status( $plugin_file ) {
if ( self::is_plugin_active_for_network( $plugin_file ) ) {
return 'network-active';
}
if ( self::is_plugin_active( $plugin_file ) ) {
return 'active';
}
return 'inactive';
}
/**
* Safely checks if the plugin is active
*
* @since $next-version$
*
* @param string $plugin_file The plugin file to check.
* @return bool
*/
public static function is_plugin_active( $plugin_file ) {
self::ensure_plugin_functions_are_loaded();
return is_plugin_active( $plugin_file );
}
/**
* Safely checks if the plugin is active for network
*
* @since $next-version$
*
* @param string $plugin_file The plugin file to check.
* @return bool
*/
public static function is_plugin_active_for_network( $plugin_file ) {
self::ensure_plugin_functions_are_loaded();
return is_plugin_active_for_network( $plugin_file );
}
/**
* Returns a list of all plugins in the site.
*
* @since-jetpack 8.9.0
* @uses get_plugins()
*
* @return array
*/
public static function get_plugins() {
self::ensure_plugin_functions_are_loaded();
/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
$plugins = apply_filters( 'all_plugins', get_plugins() );
if ( is_array( $plugins ) && ! empty( $plugins ) ) {
foreach ( $plugins as $plugin_slug => $plugin_data ) {
$plugins[ $plugin_slug ]['active'] = in_array(
self::get_plugin_status( $plugin_slug ),
array( 'active', 'network-active' ),
true
);
}
return $plugins;
}
return array();
}
}
|
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