/home/arranoyd/public_html/wp-content/plugins/jetpack/_inc/lib/plugins.php
<?php
/**
* Plugins Library
*
* Helper functions for installing and activating plugins.
*
* Used by the REST API
*
* @autounit api plugins
*/
include_once( 'class.jetpack-automatic-install-skin.php' );
class Jetpack_Plugins {
/**
* Install and activate a plugin.
*
* @since 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 );
} else if ( 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' ) );
}
$activated = activate_plugin( $plugin_id );
if ( is_wp_error( $activated ) ) {
return $activated;
}
return true;
}
/**
* Install a plugin.
*
* @since 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' ) );
}
$skin = new Jetpack_Automatic_Install_Skin();
$upgrader = new Plugin_Upgrader( $skin );
$zip_url = self::generate_wordpress_org_plugin_download_link( $slug );
$result = $upgrader->install( $zip_url );
if ( is_wp_error( $result ) ) {
return $result;
}
$plugin = Jetpack_Plugins::get_plugin_id_by_slug( $slug );
$error_code = 'install_error';
if ( ! $plugin ) {
$error = __( 'There was an error installing your plugin', 'jetpack' );
}
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' );
}
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';
}
return new WP_Error( $error_code, $error, 400 );
}
return (array) $upgrader->skin->get_upgrade_messages();
}
protected static function generate_wordpress_org_plugin_download_link( $plugin_slug ) {
return "https://downloads.wordpress.org/plugin/$plugin_slug.latest-stable.zip";
}
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;
}
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;
}
}