slug ] ) ) { $status['errorCode'] = 'plugin_not_installed'; $status['errorMessage'] = __( 'The plugin is not installed.' ); wp_send_json_error( $status ); } $plugin_file = self::$plugin_dirnames[ $slug ]; $status['pluginName'] = self::$plugins[ $plugin_file ]['Name']; $status['plugin'] = $plugin_file; if ( current_user_can( 'activate_plugin', $plugin_file ) && is_plugin_inactive( $plugin_file ) ) { $status['activateUrl'] = add_query_arg( array( '_wpnonce' => wp_create_nonce( 'activate-plugin_' . $plugin_file ), 'action' => 'activate', 'plugin' => $plugin_file, ), is_multisite() ? network_admin_url( 'plugins.php' ) : admin_url( 'plugins.php' ) ); } if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { $status['activateUrl'] = add_query_arg( array( 'networkwide' => 1 ), $status['activateUrl'] ); } self::initialize(); $dependencies = self::get_dependencies( $plugin_file ); if ( empty( $dependencies ) ) { $status['message'] = __( 'The plugin has no required plugins.' ); wp_send_json_success( $status ); } require_once ABSPATH . '/wp-admin/includes/plugin.php'; $inactive_dependencies = array(); foreach ( $dependencies as $dependency ) { if ( false === self::$plugin_dirnames[ $dependency ] || is_plugin_inactive( self::$plugin_dirnames[ $dependency ] ) ) { $inactive_dependencies[] = $dependency; } } if ( ! empty( $inactive_dependencies ) ) { $inactive_dependency_names = array_map( function ( $dependency ) { if ( isset( self::$dependency_api_data[ $dependency ]['Name'] ) ) { $inactive_dependency_name = self::$dependency_api_data[ $dependency ]['Name']; } else { $inactive_dependency_name = $dependency; } return $inactive_dependency_name; }, $inactive_dependencies ); $status['errorCode'] = 'inactive_dependencies'; $status['errorMessage'] = sprintf( /* translators: %s: A list of inactive dependency plugin names. */ __( 'The following plugins must be activated first: %s.' ), implode( ', ', $inactive_dependency_names ) ); $status['errorData'] = array_combine( $inactive_dependencies, $inactive_dependency_names ); wp_send_json_error( $status ); } $status['message'] = __( 'All required plugins are installed and activated.' ); wp_send_json_success( $status ); } /** * Gets data for installed plugins. * * @since 6.5.0 * * @return array An array of plugin data. */ protected static function get_plugins() { if ( is_array( self::$plugins ) ) { return self::$plugins; } require_once ABSPATH . '/wp-admin/includes/plugin.php'; self::$plugins = get_plugins(); return self::$plugins; } /** * Reads and stores dependency slugs from a plugin's 'Requires Plugins' header. * * @since 6.5.0 * * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. */ protected static function read_dependencies_from_plugin_headers() { self::$dependencies = array(); self::$dependency_slugs = array(); self::$dependent_slugs = array(); $plugins = self::get_plugins(); foreach ( $plugins as $plugin => $header ) { if ( '' === $header['RequiresPlugins'] ) { continue; } $dependency_slugs = self::sanitize_dependency_slugs( $header['RequiresPlugins'] ); self::$dependencies[ $plugin ] = $dependency_slugs; self::$dependency_slugs = array_merge( self::$dependency_slugs, $dependency_slugs ); $dependent_slug = self::convert_to_slug( $plugin ); self::$dependent_slugs[ $plugin ] = $dependent_slug; } self::$dependency_slugs = array_unique( self::$dependency_slugs ); } /** * Sanitizes slugs. * * @since 6.5.0 * * @param string $slugs A comma-separated string of plugin dependency slugs. * @return array An array of sanitized plugin dependency slugs. */ protected static function sanitize_dependency_slugs( $slugs ) { $sanitized_slugs = array(); $slugs = explode( ',', $slugs ); foreach ( $slugs as $slug ) { $slug = trim( $slug ); /** * Filters a plugin dependency's slug before matching to * the WordPress.org slug format. * * Can be used to switch between free and premium plugin slugs, for example. * * @since 6.5.0 * * @param string $slug The slug. */ $slug = apply_filters( 'wp_plugin_dependencies_slug', $slug ); // Match to WordPress.org slug format. if ( preg_match( '/^[a-z0-9]+(-[a-z0-9]+)*$/mu', $slug ) ) { $sanitized_slugs[] = $slug; } } $sanitized_slugs = array_unique( $sanitized_slugs ); sort( $sanitized_slugs ); return $sanitized_slugs; } /** * Gets the filepath of installed dependencies. * If a dependency is not installed, the filepath defaults to false. * * @since 6.5.0 * * @return array An array of install dependencies filepaths, relative to the plugins directory. */ protected static function get_dependency_filepaths() { if ( is_array( self::$dependency_filepaths ) ) { return self::$dependency_filepaths; } if ( null === self::$dependency_slugs ) { return array(); } self::$dependency_filepaths = array(); $plugin_dirnames = self::get_plugin_dirnames(); foreach ( self::$dependency_slugs as $slug ) { if ( isset( $plugin_dirnames[ $slug ] ) ) { self::$dependency_filepaths[ $slug ] = $plugin_dirnames[ $slug ]; continue; } self::$dependency_filepaths[ $slug ] = false; } return self::$dependency_filepaths; } /** * Retrieves and stores dependency plugin data from the WordPress.org Plugin API. * * @since 6.5.0 * * @global string $pagenow The filename of the current screen. * * @return array|void An array of dependency API data, or void on early exit. */ protected static function get_dependency_api_data() { global $pagenow; if ( ! is_admin() || ( 'plugins.php' !== $pagenow && 'plugin-install.php' !== $pagenow ) ) { return; } if ( is_array( self::$dependency_api_data ) ) { return self::$dependency_api_data; } $plugins = self::get_plugins(); self::$dependency_api_data = (array) get_site_transient( 'wp_plugin_dependencies_plugin_data' ); foreach ( self::$dependency_slugs as $slug ) { // Set transient for individual data, remove from self::$dependency_api_data if transient expired. if ( ! get_site_transient( "wp_plugin_dependencies_plugin_timeout_{$slug}" ) ) { unset( self::$dependency_api_data[ $slug ] ); set_site_transient( "wp_plugin_dependencies_plugin_timeout_{$slug}", true, 12 * HOUR_IN_SECONDS ); } if ( isset( self::$dependency_api_data[ $slug ] ) ) { if ( false === self::$dependency_api_data[ $slug ] ) { $dependency_file = self::get_dependency_filepath( $slug ); if ( false === $dependency_file ) { self::$dependency_api_data[ $slug ] = array( 'Name' => $slug ); } else { self::$dependency_api_data[ $slug ] = array( 'Name' => $plugins[ $dependency_file ]['Name'] ); } continue; } // Don't hit the Plugin API if data exists. if ( ! empty( self::$dependency_api_data[ $slug ]['last_updated'] ) ) { continue; } } if ( ! function_exists( 'plugins_api' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin-install.php'; } $information = plugins_api( 'plugin_information', array( 'slug' => $slug, 'fields' => array( 'short_description' => true, 'icons' => true, ), ) ); if ( is_wp_error( $information ) ) { continue; } self::$dependency_api_data[ $slug ] = (array) $information; // plugins_api() returns 'name' not 'Name'. self::$dependency_api_data[ $slug ]['Name'] = self::$dependency_api_data[ $slug ]['name']; set_site_transient( 'wp_plugin_dependencies_plugin_data', self::$dependency_api_data, 0 ); } // Remove from self::$dependency_api_data if slug no longer a dependency. $differences = array_diff( array_keys( self::$dependency_api_data ), self::$dependency_slugs ); foreach ( $differences as $difference ) { unset( self::$dependency_api_data[ $difference ] ); } ksort( self::$dependency_api_data ); // Remove empty elements. self::$dependency_api_data = array_filter( self::$dependency_api_data ); set_site_transient( 'wp_plugin_dependencies_plugin_data', self::$dependency_api_data, 0 ); return self::$dependency_api_data; } /** * Gets plugin directory names. * * @since 6.5.0 * * @return array An array of plugin directory names. */ protected static function get_plugin_dirnames() { if ( is_array( self::$plugin_dirnames ) ) { return self::$plugin_dirnames; } self::$plugin_dirnames = array(); $plugin_files = array_keys( self::get_plugins() ); foreach ( $plugin_files as $plugin_file ) { $slug = self::convert_to_slug( $plugin_file ); self::$plugin_dirnames[ $slug ] = $plugin_file; } return self::$plugin_dirnames; } /** * Gets circular dependency data. * * @since 6.5.0 * * @return array[] An array of circular dependency pairings. */ protected static function get_circular_dependencies() { if ( is_array( self::$circular_dependencies_pairs ) ) { return self::$circular_dependencies_pairs; } if ( null === self::$dependencies ) { return array(); } self::$circular_dependencies_slugs = array(); self::$circular_dependencies_pairs = array(); foreach ( self::$dependencies as $dependent => $dependencies ) { /* * $dependent is in 'a/a.php' format. Dependencies are stored as slugs, i.e. 'a'. * * Convert $dependent to slug format for checking. */ $dependent_slug = self::convert_to_slug( $dependent ); self::$circular_dependencies_pairs = array_merge( self::$circular_dependencies_pairs, self::check_for_circular_dependencies( array( $dependent_slug ), $dependencies ) ); } return self::$circular_dependencies_pairs; } /** * Checks for circular dependencies. * * @since 6.5.0 * * @param array $dependents Array of dependent plugins. * @param array $dependencies Array of plugins dependencies. * @return array A circular dependency pairing, or an empty array if none exists. */ protected static function check_for_circular_dependencies( $dependents, $dependencies ) { $circular_dependencies_pairs = array(); // Check for a self-dependency. $dependents_location_in_its_own_dependencies = array_intersect( $dependents, $dependencies ); if ( ! empty( $dependents_location_in_its_own_dependencies ) ) { foreach ( $dependents_location_in_its_own_dependencies as $self_dependency ) { self::$circular_dependencies_slugs[] = $self_dependency; $circular_dependencies_pairs[] = array( $self_dependency, $self_dependency ); // No need to check for itself again. unset( $dependencies[ array_search( $self_dependency, $dependencies, true ) ] ); } } /* * Check each dependency to see: * 1. If it has dependencies. * 2. If its list of dependencies includes one of its own dependents. */ foreach ( $dependencies as $dependency ) { // Check if the dependency is also a dependent. $dependency_location_in_dependents = array_search( $dependency, self::$dependent_slugs, true ); if ( false !== $dependency_location_in_dependents ) { $dependencies_of_the_dependency = self::$dependencies[ $dependency_location_in_dependents ]; foreach ( $dependents as $dependent ) { // Check if its dependencies includes one of its own dependents. $dependent_location_in_dependency_dependencies = array_search( $dependent, $dependencies_of_the_dependency, true ); if ( false !== $dependent_location_in_dependency_dependencies ) { self::$circular_dependencies_slugs[] = $dependent; self::$circular_dependencies_slugs[] = $dependency; $circular_dependencies_pairs[] = array( $dependent, $dependency ); // Remove the dependent from its dependency's dependencies. unset( $dependencies_of_the_dependency[ $dependent_location_in_dependency_dependencies ] ); } } $dependents[] = $dependency; /* * Now check the dependencies of the dependency's dependencies for the dependent. * * Yes, that does make sense. */ $circular_dependencies_pairs = array_merge( $circular_dependencies_pairs, self::check_for_circular_dependencies( $dependents, array_unique( $dependencies_of_the_dependency ) ) ); } } return $circular_dependencies_pairs; } /** * Converts a plugin filepath to a slug. * * @since 6.5.0 * * @param string $plugin_file The plugin's filepath, relative to the plugins directory. * @return string The plugin's slug. */ protected static function convert_to_slug( $plugin_file ) { if ( 'hello.php' === $plugin_file ) { return 'hello-dolly'; } return str_contains( $plugin_file, '/' ) ? dirname( $plugin_file ) : str_replace( '.php', '', $plugin_file ); } }
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