WP_REST_Plugins_Controller::check_read_permission() WordPress Method

	protected function check_read_permission( $plugin ) {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		if ( ! $this->is_plugin_installed( $plugin ) ) {
			return new WP_Error( 'rest_plugin_not_found', __( 'Plugin not found.' ), array( 'status' => 404 ) );
		}

		if ( ! is_multisite() ) {
			return true;
		}

		if ( ! is_network_only_plugin( $plugin ) || is_plugin_active( $plugin ) || current_user_can( 'manage_network_plugins' ) ) {
			return true;
		}

		return new WP_Error(
			'rest_cannot_view_plugin',
			__( 'Sorry, you are not allowed to manage this plugin.' ),
			array( 'status' => rest_authorization_required_code() )
		);
	}
Uses	Description
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php:WP_REST_Plugins_Controller::is_plugin_installed()	Checks if the plugin is installed.
wp-includes/rest-api.php:rest_authorization_required_code()	Returns a contextual HTTP error code for authorization failure.
wp-admin/includes/plugin.php:is_network_only_plugin()	Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin would also work when Multisite is not enabled.
wp-admin/includes/plugin.php:is_plugin_active()	Determines whether a plugin is active.
wp-includes/capabilities.php:current_user_can()	Returns whether the current user has the specified capability.
wp-includes/l10n.php:__()	Retrieve the translation of $text.
wp-includes/load.php:is_multisite()	If Multisite is enabled.
wp-includes/class-wp-error.php:WP_Error::__construct()	Initializes the error.
Used By	Description
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php:WP_REST_Plugins_Controller::get_items()	Retrieves a collection of plugins.
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php:WP_REST_Plugins_Controller::get_item_permissions_check()	Checks if a given request has access to get a specific plugin.
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php:WP_REST_Plugins_Controller::update_item_permissions_check()	Checks if a given request has access to update a specific plugin.
wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php:WP_REST_Plugins_Controller::delete_item_permissions_check()	Checks if a given request has access to delete a specific plugin.