/** * HTTP API: WP_Http_Cookie class * * @package WordPress * @subpackage HTTP * @since 4.4.0 */ /** * Core class used to encapsulate a single cookie object for internal use. * * Returned cookies are represented using this class, and when cookies are set, if they are not * already a WP_Http_Cookie() object, then they are turned into one. * * @todo The WordPress convention is to use underscores instead of camelCase for function and method * names. Need to switch to use underscores instead for the methods. * * @since 2.8.0 */ class WP_Http_Cookie { /** * Cookie name. * * @since 2.8.0 * @var string */ public $name; /** * Cookie value. * * @since 2.8.0 * @var string */ public $value; /** * When the cookie expires. Unix timestamp or formatted date. * * @since 2.8.0 * @var string|int|null */ public $expires; /** * Cookie URL path. * * @since 2.8.0 * @var string */ public $path; /** * Cookie Domain. * * @since 2.8.0 * @var string */ public $domain; /** * host-only flag. * * @since 5.2.0 * @var bool */ public $host_only; /** * Sets up this cookie object. * * The parameter $data should be either an associative array containing the indices names below * or a header string detailing it. * * @since 2.8.0 * @since 5.2.0 Added `host_only` to the `$data` parameter. * * @param string|array $data { * Raw cookie data as header string or data array. * * @type string $name Cookie name. * @type mixed $value Value. Should NOT already be urlencoded. * @type string|int|null $expires Optional. Unix timestamp or formatted date. Default null. * @type string $path Optional. Path. Default '/'. * @type string $domain Optional. Domain. Default host of parsed $requested_url. * @type int $port Optional. Port. Default null. * @type bool $host_only Optional. host-only storage flag. Default true. * } * @param string $requested_url The URL which the cookie was set on, used for default $domain * and $port values. */ public function __construct( $data, $requested_url = '' ) { if ( $requested_url ) { $arrURL = parse_url( $requested_url ); } if ( isset( $arrURL['host'] ) ) { $this->domain = $arrURL['host']; } $this->path = isset( $arrURL['path'] ) ? $arrURL['path'] : '/'; if ( '/' !== substr( $this->path, -1 ) ) { $this->path = dirname( $this->path ) . '/'; } if ( is_string( $data ) ) { // Assume it's a header string direct from a previous request. $pairs = explode( ';', $data ); // Special handling for first pair; name=value. Also be careful of "=" in value. $name = trim( substr( $pairs[0], 0, strpos( $pairs[0], '=' ) ) ); $value = substr( $pairs[0], strpos( $pairs[0], '=' ) + 1 ); $this->name = $name; $this->value = urldecode( $value ); // Removes name=value from items. array_shift( $pairs ); // Set everything else as a property. foreach ( $pairs as $pair ) { $pair = rtrim( $pair ); // Handle the cookie ending in ; which results in a empty final pair. if ( empty( $pair ) ) { continue; } list( $key, $val ) = strpos( $pair, '=' ) ? explode( '=', $pair ) : array( $pair, '' ); $key = strtolower( trim( $key ) ); if ( 'expires' === $key ) { $val = strtotime( $val ); } $this->$key = $val; } } else { if ( ! isset( $data['name'] ) ) { return; } // Set properties based directly on parameters. foreach ( array( 'name', 'value', 'path', 'domain', 'port', 'host_only' ) as $field ) { if ( isset( $data[ $field ] ) ) { $this->$field = $data[ $field ]; } } if ( isset( $data['expires'] ) ) { $this->expires = is_int( $data['expires'] ) ? $data['expires'] : strtotime( $data['expires'] ); } else { $this->expires = null; } } } /** * Confirms that it's OK to send this cookie to the URL checked against. * * Decision is based on RFC 2109/2965, so look there for details on validity. * * @since 2.8.0 * * @param string $url URL you intend to send this cookie to * @return bool true if allowed, false otherwise. */ public function test( $url ) { if ( is_null( $this->name ) ) { return false; } // Expires - if expired then nothing else matters. if ( isset( $this->expires ) && time() > $this->expires ) { return false; } // Get details on the URL we're thinking about sending to. $url = parse_url( $url ); $url['port'] = isset( $url['port'] ) ? $url['port'] : ( 'https' === $url['scheme'] ? 443 : 80 ); $url['path'] = isset( $url['path'] ) ? $url['path'] : '/'; // Values to use for comparison against the URL. $path = isset( $this->path ) ? $this->path : '/'; $port = isset( $this->port ) ? $this->port : null; $domain = isset( $this->domain ) ? strtolower( $this->domain ) : strtolower( $url['host'] ); if ( false === stripos( $domain, '.' ) ) { $domain .= '.local'; } // Host - very basic check that the request URL ends with the domain restriction (minus leading dot). $domain = ( '.' === substr( $domain, 0, 1 ) ) ? substr( $domain, 1 ) : $domain; if ( substr( $url['host'], -strlen( $domain ) ) != $domain ) { return false; } // Port - supports "port-lists" in the format: "80,8000,8080". if ( ! empty( $port ) && ! in_array( $url['port'], array_map( 'intval', explode( ',', $port ) ), true ) ) { return false; } // Path - request path must start with path restriction. if ( substr( $url['path'], 0, strlen( $path ) ) != $path ) { return false; } return true; } /** * Convert cookie name and value back to header string. * * @since 2.8.0 * * @return string Header encoded cookie name and value. */ public function getHeaderValue() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid if ( ! isset( $this->name ) || ! isset( $this->value ) ) { return ''; } /** * Filters the header-encoded cookie value. * * @since 3.4.0 * * @param string $value The cookie value. * @param string $name The cookie name. */ return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name ); } /** * Retrieve cookie header for usage in the rest of the WordPress HTTP API. * * @since 2.8.0 * * @return string */ public function getFullHeader() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid return 'Cookie: ' . $this->getHeaderValue(); } /** * Retrieves cookie attributes. * * @since 4.6.0 * * @return array { * List of attributes. * * @type string|int|null $expires When the cookie expires. Unix timestamp or formatted date. * @type string $path Cookie URL path. * @type string $domain Cookie domain. * } */ public function get_attributes() { return array( 'expires' => $this->expires, 'path' => $this->path, 'domain' => $this->domain, ); } } /** * REST API: WP_REST_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core base controller for managing and interacting with REST API items. * * @since 4.7.0 */ abstract class WP_REST_Controller { /** * The namespace of this controller's route. * * @since 4.7.0 * @var string */ protected $namespace; /** * The base of this controller's route. * * @since 4.7.0 * @var string */ protected $rest_base; /** * Cached results of get_item_schema. * * @since 5.3.0 * @var array */ protected $schema; /** * Registers the routes for the objects of the controller. * * @since 4.7.0 * * @see register_rest_route() */ public function register_routes() { _doing_it_wrong( 'WP_REST_Controller::register_routes', /* translators: %s: register_routes() */ sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ), '4.7' ); } /** * Checks if a given request has access to get items. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function get_items_permissions_check( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Retrieves a collection of items. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function get_items( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to get a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise. */ public function get_item_permissions_check( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Retrieves one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function get_item( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to create items. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to create items, WP_Error object otherwise. */ public function create_item_permissions_check( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Creates one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function create_item( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to update a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise. */ public function update_item_permissions_check( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Updates one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function update_item( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Checks if a given request has access to delete a specific item. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise. */ public function delete_item_permissions_check( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Deletes one item from the collection. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function delete_item( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares one item for create or update operation. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return object|WP_Error The prepared item, or WP_Error object on failure. */ protected function prepare_item_for_database( $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares the item for the REST response. * * @since 4.7.0 * * @param mixed $item WordPress representation of the item. * @param WP_REST_Request $request Request object. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function prepare_item_for_response( $item, $request ) { return new WP_Error( 'invalid-method', /* translators: %s: Method name. */ sprintf( __( "Method '%s' not implemented. Must be overridden in subclass." ), __METHOD__ ), array( 'status' => 405 ) ); } /** * Prepares a response for insertion into a collection. * * @since 4.7.0 * * @param WP_REST_Response $response Response object. * @return array|mixed Response data, ready for insertion into collection data. */ public function prepare_response_for_collection( $response ) { if ( ! ( $response instanceof WP_REST_Response ) ) { return $response; } $data = (array) $response->get_data(); $server = rest_get_server(); $links = $server::get_compact_response_links( $response ); if ( ! empty( $links ) ) { $data['_links'] = $links; } return $data; } /** * Filters a response based on the context defined in the schema. * * @since 4.7.0 * * @param array $data Response data to filter. * @param string $context Context defined in the schema. * @return array Filtered response. */ public function filter_response_by_context( $data, $context ) { $schema = $this->get_item_schema(); return rest_filter_response_by_context( $data, $schema, $context ); } /** * Retrieves the item's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array Item schema data. */ public function get_item_schema() { return $this->add_additional_fields_schema( array() ); } /** * Retrieves the item's schema for display / public consumption purposes. * * @since 4.7.0 * * @return array Public item schema data. */ public function get_public_item_schema() { $schema = $this->get_item_schema(); if ( ! empty( $schema['properties'] ) ) { foreach ( $schema['properties'] as &$property ) { unset( $property['arg_options'] ); } } return $schema; } /** * Retrieves the query params for the collections. * * @since 4.7.0 * * @return array Query parameters for the collection. */ public function get_collection_params() { return array( 'context' => $this->get_context_param(), 'page' => array( 'description' => __( 'Current page of the collection.' ), 'type' => 'integer', 'default' => 1, 'sanitize_callback' => 'absint', 'validate_callback' => 'rest_validate_request_arg', 'minimum' => 1, ), 'per_page' => array( 'description' => __( 'Maximum number of items to be returned in result set.' ), 'type' => 'integer', 'default' => 10, 'minimum' => 1, 'maximum' => 100, 'sanitize_callback' => 'absint', 'validate_callback' => 'rest_validate_request_arg', ), 'search' => array( 'description' => __( 'Limit results to those matching a string.' ), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg', ), ); } /** * Retrieves the magical context param. * * Ensures consistent descriptions between endpoints, and populates enum from schema. * * @since 4.7.0 * * @param array $args Optional. Additional arguments for context parameter. Default empty array. * @return array Context parameter details. */ public function get_context_param( $args = array() ) { $param_details = array( 'description' => __( 'Scope under which the request is made; determines fields present in response.' ), 'type' => 'string', 'sanitize_callback' => 'sanitize_key', 'validate_callback' => 'rest_validate_request_arg', ); $schema = $this->get_item_schema(); if ( empty( $schema['properties'] ) ) { return array_merge( $param_details, $args ); } $contexts = array(); foreach ( $schema['properties'] as $attributes ) { if ( ! empty( $attributes['context'] ) ) { $contexts = array_merge( $contexts, $attributes['context'] ); } } if ( ! empty( $contexts ) ) { $param_details['enum'] = array_unique( $contexts ); rsort( $param_details['enum'] ); } return array_merge( $param_details, $args ); } /** * Adds the values from additional fields to a data object. * * @since 4.7.0 * * @param array $prepared Prepared response array. * @param WP_REST_Request $request Full details about the request. * @return array Modified data object with additional fields. */ protected function add_additional_fields_to_object( $prepared, $request ) { $additional_fields = $this->get_additional_fields(); $requested_fields = $this->get_fields_for_response( $request ); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['get_callback'] ) { continue; } if ( ! rest_is_field_included( $field_name, $requested_fields ) ) { continue; } $prepared[ $field_name ] = call_user_func( $field_options['get_callback'], $prepared, $field_name, $request, $this->get_object_type() ); } return $prepared; } /** * Updates the values of additional fields added to a data object. * * @since 4.7.0 * * @param object $object Data model like WP_Term or WP_Post. * @param WP_REST_Request $request Full details about the request. * @return bool|WP_Error True on success, WP_Error object if a field cannot be updated. */ protected function update_additional_fields_for_object( $object, $request ) { $additional_fields = $this->get_additional_fields(); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['update_callback'] ) { continue; } // Don't run the update callbacks if the data wasn't passed in the request. if ( ! isset( $request[ $field_name ] ) ) { continue; } $result = call_user_func( $field_options['update_callback'], $request[ $field_name ], $object, $field_name, $request, $this->get_object_type() ); if ( is_wp_error( $result ) ) { return $result; } } return true; } /** * Adds the schema from additional fields to a schema array. * * The type of object is inferred from the passed schema. * * @since 4.7.0 * * @param array $schema Schema array. * @return array Modified Schema array. */ protected function add_additional_fields_schema( $schema ) { if ( empty( $schema['title'] ) ) { return $schema; } // Can't use $this->get_object_type otherwise we cause an inf loop. $object_type = $schema['title']; $additional_fields = $this->get_additional_fields( $object_type ); foreach ( $additional_fields as $field_name => $field_options ) { if ( ! $field_options['schema'] ) { continue; } $schema['properties'][ $field_name ] = $field_options['schema']; } return $schema; } /** * Retrieves all of the registered additional fields for a given object-type. * * @since 4.7.0 * * @param string $object_type Optional. The object type. * @return array Registered additional fields (if any), empty array if none or if the object type could * not be inferred. */ protected function get_additional_fields( $object_type = null ) { if ( ! $object_type ) { $object_type = $this->get_object_type(); } if ( ! $object_type ) { return array(); } global $wp_rest_additional_fields; if ( ! $wp_rest_additional_fields || ! isset( $wp_rest_additional_fields[ $object_type ] ) ) { return array(); } return $wp_rest_additional_fields[ $object_type ]; } /** * Retrieves the object type this controller is responsible for managing. * * @since 4.7.0 * * @return string Object type for the controller. */ protected function get_object_type() { $schema = $this->get_item_schema(); if ( ! $schema || ! isset( $schema['title'] ) ) { return null; } return $schema['title']; } /** * Gets an array of fields to be included on the response. * * Included fields are based on item schema and `_fields=` request argument. * * @since 4.9.6 * * @param WP_REST_Request $request Full details about the request. * @return array Fields to be included in the response. */ public function get_fields_for_response( $request ) { $schema = $this->get_item_schema(); $properties = isset( $schema['properties'] ) ? $schema['properties'] : array(); $additional_fields = $this->get_additional_fields(); foreach ( $additional_fields as $field_name => $field_options ) { // For back-compat, include any field with an empty schema // because it won't be present in $this->get_item_schema(). if ( is_null( $field_options['schema'] ) ) { $properties[ $field_name ] = $field_options; } } // Exclude fields that specify a different context than the request context. $context = $request['context']; if ( $context ) { foreach ( $properties as $name => $options ) { if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) { unset( $properties[ $name ] ); } } } $fields = array_keys( $properties ); if ( ! isset( $request['_fields'] ) ) { return $fields; } $requested_fields = wp_parse_list( $request['_fields'] ); if ( 0 === count( $requested_fields ) ) { return $fields; } // Trim off outside whitespace from the comma delimited list. $requested_fields = array_map( 'trim', $requested_fields ); // Always persist 'id', because it can be needed for add_additional_fields_to_object(). if ( in_array( 'id', $fields, true ) ) { $requested_fields[] = 'id'; } // Return the list of all requested fields which appear in the schema. return array_reduce( $requested_fields, function( $response_fields, $field ) use ( $fields ) { if ( in_array( $field, $fields, true ) ) { $response_fields[] = $field; return $response_fields; } // Check for nested fields if $field is not a direct match. $nested_fields = explode( '.', $field ); // A nested field is included so long as its top-level property // is present in the schema. if ( in_array( $nested_fields[0], $fields, true ) ) { $response_fields[] = $field; } return $response_fields; }, array() ); } /** * Retrieves an array of endpoint arguments from the item schema for the controller. * * @since 4.7.0 * * @param string $method Optional. HTTP method of the request. The arguments for `CREATABLE` requests are * checked for required values and may fall-back to a given default, this is not done * on `EDITABLE` requests. Default WP_REST_Server::CREATABLE. * @return array Endpoint arguments. */ public function get_endpoint_args_for_item_schema( $method = WP_REST_Server::CREATABLE ) { return rest_get_endpoint_args_for_schema( $this->get_item_schema(), $method ); } /** * Sanitizes the slug value. * * @since 4.7.0 * * @internal We can't use sanitize_title() directly, as the second * parameter is the fallback title, which would end up being set to the * request object. * * @see https://github.com/WP-API/WP-API/issues/1585 * * @todo Remove this in favour of https://core.trac.wordpress.org/ticket/34659 * * @param string $slug Slug value passed in request. * @return string Sanitized value for the slug. */ public function sanitize_slug( $slug ) { return sanitize_title( $slug ); } }