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<?php |
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/** |
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* Plugins Library |
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* |
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* Helper functions for installing and activating plugins. |
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* |
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* Used by the REST API |
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* |
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* @autounit api plugins |
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*/ |
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include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
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include_once ABSPATH . 'wp-admin/includes/file.php'; |
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class Jetpack_Plugins { |
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/** |
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* Install a plugin. |
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* |
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* @since 5.8.0 |
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* |
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* @param string $slug Plugin slug. |
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* |
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* @return bool|WP_Error True if installation succeeded, error object otherwise. |
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*/ |
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public static function install_plugin( $slug ) { |
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if ( is_multisite() && ! current_user_can( 'manage_network' ) ) { |
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return new WP_Error( 'not_allowed', 'You are not allowed to install plugins on this site.' ); |
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} |
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$skin = new Jetpack_Automatic_Install_Skin(); |
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$upgrader = new Plugin_Upgrader( $skin ); |
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$zip_url = self::generate_wordpress_org_plugin_download_link( $slug ); |
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return $upgrader->install( $zip_url ); |
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} |
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protected static function generate_wordpress_org_plugin_download_link( $plugin_slug ) { |
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return "https://downloads.wordpress.org/plugin/{$plugin_slug}.latest-stable.zip"; |
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} |
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public static function get_plugin_id_by_slug( $slug ) { |
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/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */ |
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$plugins = apply_filters( 'all_plugins', get_plugins() ); |
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if ( ! is_array( $plugins ) ) { |
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return false; |
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} |
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foreach ( $plugins as $plugin_file => $plugin_data ) { |
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if ( self::get_slug_from_file_path( $plugin_file ) === $slug ) { |
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return $plugin_file; |
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} |
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} |
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return false; |
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} |
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protected static function get_slug_from_file_path( $plugin_file ) { |
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// Simular to get_plugin_slug() method. |
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$slug = dirname( $plugin_file ); |
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if ( '.' === $slug ) { |
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$slug = preg_replace( "/(.+)\.php$/", "$1", $plugin_file ); |
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} |
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return $slug; |
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} |
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} |
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/** |
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* Allows us to capture that the site doesn't have proper file system access. |
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* In order to update the plugin. |
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*/ |
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class Jetpack_Automatic_Install_Skin extends Automatic_Upgrader_Skin { |
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/** |
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* Stores the last error key; |
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**/ |
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protected $main_error_code = 'install_error'; |
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/** |
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* Stores the last error message. |
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**/ |
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protected $main_error_message = 'An unknown error occurred during installation'; |
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/** |
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* Overwrites the set_upgrader to be able to tell if we e ven have the ability to write to the files. |
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* |
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* @param WP_Upgrader $upgrader |
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* |
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*/ |
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public function set_upgrader( &$upgrader ) { |
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parent::set_upgrader( $upgrader ); |
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// Check if we even have permission to. |
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$result = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_PLUGIN_DIR ) ); |
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if ( ! $result ) { |
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// set the string here since they are not available just yet |
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$upgrader->generic_strings(); |
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$this->feedback( 'fs_unavailable' ); |
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} |
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} |
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/** |
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* Overwrites the error function |
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*/ |
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public function error( $error ) { |
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if ( is_wp_error( $error ) ) { |
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$this->feedback( $error ); |
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} |
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} |
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private function set_main_error_code( $code ) { |
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// Don't set the process_failed as code since it is not that helpful unless we don't have one already set. |
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$this->main_error_code = ( $code === 'process_failed' && $this->main_error_code ? $this->main_error_code : $code ); |
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} |
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private function set_main_error_message( $message, $code ) { |
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// Don't set the process_failed as message since it is not that helpful unless we don't have one already set. |
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$this->main_error_message = ( $code === 'process_failed' && $this->main_error_code ? $this->main_error_code : $message ); |
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} |
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public function get_main_error_code() { |
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return $this->main_error_code; |
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} |
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public function get_main_error_message() { |
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return $this->main_error_message; |
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} |
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/** |
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* Overwrites the feedback function |
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*/ |
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public function feedback( $data ) { |
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$current_error = null; |
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if ( is_wp_error( $data ) ) { |
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$this->set_main_error_code( $data->get_error_code() ); |
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$string = $data->get_error_message(); |
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} elseif ( is_array( $data ) ) { |
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return; |
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} else { |
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$string = $data; |
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} |
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if ( ! empty( $this->upgrader->strings[$string] ) ) { |
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$this->set_main_error_code( $string ); |
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$current_error = $string; |
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$string = $this->upgrader->strings[$string]; |
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} |
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if ( strpos( $string, '%' ) !== false ) { |
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$args = func_get_args(); |
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$args = array_splice( $args, 1 ); |
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if ( ! empty( $args ) ) { |
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$string = vsprintf( $string, $args ); |
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} |
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} |
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$string = trim( $string ); |
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$string = wp_kses( |
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$string, array( |
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'a' => array( |
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'href' => true |
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), |
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'br' => true, |
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'em' => true, |
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'strong' => true, |
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) |
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); |
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$this->set_main_error_message( $string, $current_error ); |
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$this->messages[] = $string; |
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} |
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} |
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Automattic /
jetpack
Having each class in a dedicated file usually plays nice with PSR autoloaders and is therefore a well established practice. If you use other autoloaders, you might not want to follow this rule.