REST API: Introduce baby API to the world.

Baby API was born at 2.8KLOC on October 8th at 2:30 UTC. API has lots
of growing to do, so wish it the best of luck.

Thanks to everyone who helped along the way:

Props rmccue, rachelbaker, danielbachhuber, joehoyle, drewapicture,
adamsilverstein, netweb, tlovett1, shelob9, kadamwhite, pento,
westonruter, nikv, tobych, redsweater, alecuf, pollyplummer, hurtige,
bpetty, oso96_2000, ericlewis, wonderboymusic, joshkadis, mordauk,
jdgrimes, johnbillion, jeremyfelt, thiago-negri, jdolan, pkevan,
iseulde, thenbrent, maxcutler, kwight, markoheijnen, phh, natewr,
jjeaton, shprink, mattheu, quasel, jmusal, codebykat, hubdotcom,
tapsboy, QWp6t, pushred, jaredcobb, justinsainton, japh, matrixik,
jorbin, frozzare, codfish, michael-arestad, kellbot, ironpaperweight,
simonlampen, alisspers, eliorivero, davidbhayes, JohnDittmar, dimadin,
traversal, cmmarslender, Toddses, kokarn, welcher, and ericpedia.

Fixes #33982.


git-svn-id: https://develop.svn.wordpress.org/trunk@34928 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan McCue 2015-10-08 02:30:18 +00:00
parent 374b39d6ba
commit b39211475d
14 changed files with 4522 additions and 0 deletions

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@ -204,6 +204,17 @@ add_filter( 'title_save_pre', 'trim' );
add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 );
// REST API filters.
add_action( 'xmlrpc_rsd_apis', 'rest_output_rsd' );
add_action( 'wp_head', 'rest_output_link_wp_head', 10, 0 );
add_action( 'template_redirect', 'rest_output_link_header', 11, 0 );
add_action( 'auth_cookie_malformed', 'rest_cookie_collect_status' );
add_action( 'auth_cookie_expired', 'rest_cookie_collect_status' );
add_action( 'auth_cookie_bad_username', 'rest_cookie_collect_status' );
add_action( 'auth_cookie_bad_hash', 'rest_cookie_collect_status' );
add_action( 'auth_cookie_valid', 'rest_cookie_collect_status' );
add_filter( 'rest_authentication_errors', 'rest_cookie_check_errors', 100 );
// Actions
add_action( 'wp_head', '_wp_render_title_tag', 1 );
add_action( 'wp_head', 'wp_enqueue_scripts', 1 );
@ -347,6 +358,11 @@ add_action( 'after_password_reset', 'wp_password_change_notification' );
add_action( 'register_new_user', 'wp_send_new_user_notifications' );
add_action( 'edit_user_created_user', 'wp_send_new_user_notifications' );
// REST API actions.
add_action( 'init', 'rest_api_init' );
add_action( 'rest_api_init', 'rest_api_default_filters', 10, 1 );
add_action( 'parse_request', 'rest_api_loaded' );
/**
* Filters formerly mixed into wp-includes
*/

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@ -0,0 +1,26 @@
<?php
/**
* REST API functions.
*
* @package WordPress
* @subpackage REST_API
*/
/**
* Version number for our API.
*
* @var string
*/
define( 'REST_API_VERSION', '2.0' );
/** WP_REST_Server class */
require_once( ABSPATH . WPINC . '/rest-api/lib/class-wp-rest-server.php' );
/** WP_REST_Response class */
require_once( ABSPATH . WPINC . '/rest-api/lib/class-wp-rest-response.php' );
/** WP_REST_Request class */
require_once( ABSPATH . WPINC . '/rest-api/lib/class-wp-rest-request.php' );
/** REST functions */
require_once( ABSPATH . WPINC . '/rest-api/rest-functions.php' );

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@ -0,0 +1,165 @@
<?php
/**
* REST API: WP_HTTP_Response class
*
* @package WordPress
* @subpackage REST_API
* @since 4.4.0
*/
/**
* Core class used to prepare HTTP responses.
*
* @since 4.4.0
*/
class WP_HTTP_Response {
/**
* Response data.
*
* @since 4.4.0
* @access public
* @var mixed
*/
public $data;
/**
* Response headers.
*
* @since 4.4.0
* @access public
* @var int
*/
public $headers;
/**
* Response status.
*
* @since 4.4.0
* @access public
* @var array
*/
public $status;
/**
* Constructor.
*
* @since 4.4.0
* @access public
*
* @param mixed $data Response data. Default null.
* @param int $status Optional. HTTP status code. Default 200.
* @param array $headers Optional. HTTP header map. Default empty array.
*/
public function __construct( $data = null, $status = 200, $headers = array() ) {
$this->data = $data;
$this->set_status( $status );
$this->set_headers( $headers );
}
/**
* Retrieves headers associated with the response.
*
* @since 4.4.0
* @access public
*
* @return array Map of header name to header value.
*/
public function get_headers() {
return $this->headers;
}
/**
* Sets all header values.
*
* @since 4.4.0
* @access public
*
* @param array $headers Map of header name to header value.
*/
public function set_headers( $headers ) {
$this->headers = $headers;
}
/**
* Sets a single HTTP header.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name.
* @param string $value Header value.
* @param bool $replace Optional. Whether to replace an existing header of the same name.
* Default true.
*/
public function header( $key, $value, $replace = true ) {
if ( $replace || ! isset( $this->headers[ $key ] ) ) {
$this->headers[ $key ] = $value;
} else {
$this->headers[ $key ] .= ', ' . $value;
}
}
/**
* Retrieves the HTTP return code for the response.
*
* @since 4.4.0
* @access public
*
* @return int The 3-digit HTTP status code.
*/
public function get_status() {
return $this->status;
}
/**
* Sets the 3-digit HTTP status code.
*
* @since 4.4.0
* @access public
*
* @param int $code HTTP status.
*/
public function set_status( $code ) {
$this->status = absint( $code );
}
/**
* Retrieves the response data.
*
* @since 4.4.0
* @access public
*
* @return mixed Response data.
*/
public function get_data() {
return $this->data;
}
/**
* Sets the response data.
*
* @since 4.4.0
* @access public
*
* @param mixed $data Response data.
*/
public function set_data( $data ) {
$this->data = $data;
}
/**
* Retrieves the response data for JSON serialization.
*
* It is expected that in most implementations, this will return the same as get_data(),
* however this may be different if you want to do custom JSON data handling.
*
* @since 4.4.0
* @access public
*
* @return mixed Any JSON-serializable value.
*/
public function jsonSerialize() {
return $this->get_data();
}
}

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@ -0,0 +1,930 @@
<?php
/**
* REST API: WP_REST_Request class
*
* @package WordPress
* @subpackage REST_API
* @since 4.4.0
*/
/**
* Core class used to implement a REST request object.
*
* Contains data from the request, to be passed to the callback.
*
* Note: This implements ArrayAccess, and acts as an array of parameters when
* used in that manner. It does not use ArrayObject (as we cannot rely on SPL),
* so be aware it may have non-array behaviour in some cases.
*
* @since 4.4.0
*
* @see ArrayAccess
*/
class WP_REST_Request implements ArrayAccess {
/**
* HTTP method.
*
* @since 4.4.0
* @access protected
* @var string
*/
protected $method = '';
/**
* Parameters passed to the request.
*
* These typically come from the `$_GET`, `$_POST` and `$_FILES`
* superglobals when being created from the global scope.
*
* @since 4.4.0
* @access protected
* @var array Contains GET, POST and FILES keys mapping to arrays of data.
*/
protected $params;
/**
* HTTP headers for the request.
*
* @since 4.4.0
* @access protected
* @var array Map of key to value. Key is always lowercase, as per HTTP specification.
*/
protected $headers = array();
/**
* Body data.
*
* @since 4.4.0
* @access protected
* @var string Binary data from the request.
*/
protected $body = null;
/**
* Route matched for the request.
*
* @since 4.4.0
* @access protected
* @var string
*/
protected $route;
/**
* Attributes (options) for the route that was matched.
*
* This is the options array used when the route was registered, typically
* containing the callback as well as the valid methods for the route.
*
* @since 4.4.0
* @access protected
* @var array Attributes for the request.
*/
protected $attributes = array();
/**
* Used to determine if the JSON data has been parsed yet.
*
* Allows lazy-parsing of JSON data where possible.
*
* @since 4.4.0
* @access protected
* @var bool
*/
protected $parsed_json = false;
/**
* Used to determine if the body data has been parsed yet.
*
* @since 4.4.0
* @access protected
* @var bool
*/
protected $parsed_body = false;
/**
* Constructor.
*
* @since 4.4.0
* @access public
*
* @param string $method Optional. Request method. Default empty.
* @param string $route Optional. Request route. Default empty.
* @param array $attributes Optional. Request attributes. Default empty array.
*/
public function __construct( $method = '', $route = '', $attributes = array() ) {
$this->params = array(
'URL' => array(),
'GET' => array(),
'POST' => array(),
'FILES' => array(),
// See parse_json_params.
'JSON' => null,
'defaults' => array(),
);
$this->set_method( $method );
$this->set_route( $route );
$this->set_attributes( $attributes );
}
/**
* Retrieves the HTTP method for the request.
*
* @since 4.4.0
* @access public
*
* @return string HTTP method.
*/
public function get_method() {
return $this->method;
}
/**
* Sets HTTP method for the request.
*
* @since 4.4.0
* @access public
*
* @param string $method HTTP method.
*/
public function set_method( $method ) {
$this->method = strtoupper( $method );
}
/**
* Retrieves all headers from the request.
*
* @since 4.4.0
* @access public
*
* @return array Map of key to value. Key is always lowercase, as per HTTP specification.
*/
public function get_headers() {
return $this->headers;
}
/**
* Canonicalizes the header name.
*
* Ensures that header names are always treated the same regardless of
* source. Header names are always case insensitive.
*
* Note that we treat `-` (dashes) and `_` (underscores) as the same
* character, as per header parsing rules in both Apache and nginx.
*
* @link http://stackoverflow.com/q/18185366
* @link http://wiki.nginx.org/Pitfalls#Missing_.28disappearing.29_HTTP_headers
* @link http://nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers
*
* @since 4.4.0
* @access public
* @static
*
* @param string $key Header name.
* @return string Canonicalized name.
*/
public static function canonicalize_header_name( $key ) {
$key = strtolower( $key );
$key = str_replace( '-', '_', $key );
return $key;
}
/**
* Retrieves the given header from the request.
*
* If the header has multiple values, they will be concatenated with a comma
* as per the HTTP specification. Be aware that some non-compliant headers
* (notably cookie headers) cannot be joined this way.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name, will be canonicalized to lowercase.
* @return string|null String value if set, null otherwise.
*/
public function get_header( $key ) {
$key = $this->canonicalize_header_name( $key );
if ( ! isset( $this->headers[ $key ] ) ) {
return null;
}
return implode( ',', $this->headers[ $key ] );
}
/**
* Retrieves header values from the request.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name, will be canonicalized to lowercase.
* @return array|null List of string values if set, null otherwise.
*/
public function get_header_as_array( $key ) {
$key = $this->canonicalize_header_name( $key );
if ( ! isset( $this->headers[ $key ] ) ) {
return null;
}
return $this->headers[ $key ];
}
/**
* Sets the header on request.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name.
* @param string $value Header value, or list of values.
*/
public function set_header( $key, $value ) {
$key = $this->canonicalize_header_name( $key );
$value = (array) $value;
$this->headers[ $key ] = $value;
}
/**
* Appends a header value for the given header.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name.
* @param string $value Header value, or list of values.
*/
public function add_header( $key, $value ) {
$key = $this->canonicalize_header_name( $key );
$value = (array) $value;
if ( ! isset( $this->headers[ $key ] ) ) {
$this->headers[ $key ] = array();
}
$this->headers[ $key ] = array_merge( $this->headers[ $key ], $value );
}
/**
* Removes all values for a header.
*
* @since 4.4.0
* @access public
*
* @param string $key Header name.
*/
public function remove_header( $key ) {
unset( $this->headers[ $key ] );
}
/**
* Sets headers on the request.
*
* @since 4.4.0
* @access public
*
* @param array $headers Map of header name to value.
* @param bool $override If true, replace the request's headers. Otherwise, merge with existing.
*/
public function set_headers( $headers, $override = true ) {
if ( true === $override ) {
$this->headers = array();
}
foreach ( $headers as $key => $value ) {
$this->set_header( $key, $value );
}
}
/**
* Retrieves the content-type of the request.
*
* @since 4.4.0
* @access public
*
* @return array Map containing 'value' and 'parameters' keys.
*/
public function get_content_type() {
$value = $this->get_header( 'content-type' );
if ( empty( $value ) ) {
return null;
}
$parameters = '';
if ( strpos( $value, ';' ) ) {
list( $value, $parameters ) = explode( ';', $value, 2 );
}
$value = strtolower( $value );
if ( strpos( $value, '/' ) === false ) {
return null;
}
// Parse type and subtype out.
list( $type, $subtype ) = explode( '/', $value, 2 );
$data = compact( 'value', 'type', 'subtype', 'parameters' );
$data = array_map( 'trim', $data );
return $data;
}
/**
* Retrieves the parameter priority order.
*
* Used when checking parameters in get_param().
*
* @since 4.4.0
* @access public
*
* @return array List of types to check, in order of priority.
*/
protected function get_parameter_order() {
$order = array();
$order[] = 'JSON';
$this->parse_json_params();
// Ensure we parse the body data.
$body = $this->get_body();
if ( $this->method !== 'POST' && ! empty( $body ) ) {
$this->parse_body_params();
}
$accepts_body_data = array( 'POST', 'PUT', 'PATCH' );
if ( in_array( $this->method, $accepts_body_data ) ) {
$order[] = 'POST';
}
$order[] = 'GET';
$order[] = 'URL';
$order[] = 'defaults';
/**
* Filter the parameter order.
*
* The order affects which parameters are checked when using get_param() and family.
* This acts similarly to PHP's `request_order` setting.
*
* @since 4.4.0
*
* @param array $order {
* An array of types to check, in order of priority.
*
* @param string $type The type to check.
* }
* @param WP_REST_Request $this The request object.
*/
return apply_filters( 'rest_request_parameter_order', $order, $this );
}
/**
* Retrieves a parameter from the request.
*
* @since 4.4.0
* @access public
*
* @param string $key Parameter name.
* @return mixed|null Value if set, null otherwise.
*/
public function get_param( $key ) {
$order = $this->get_parameter_order();
foreach ( $order as $type ) {
// Determine if we have the parameter for this type.
if ( isset( $this->params[ $type ][ $key ] ) ) {
return $this->params[ $type ][ $key ];
}
}
return null;
}
/**
* Sets a parameter on the request.
*
* @since 4.4.0
* @access public
*
* @param string $key Parameter name.
* @param mixed $value Parameter value.
*/
public function set_param( $key, $value ) {
switch ( $this->method ) {
case 'POST':
$this->params['POST'][ $key ] = $value;
break;
default:
$this->params['GET'][ $key ] = $value;
break;
}
}
/**
* Retrieves merged parameters from the request.
*
* The equivalent of get_param(), but returns all parameters for the request.
* Handles merging all the available values into a single array.
*
* @since 4.4.0
* @access public
*
* @return array Map of key to value.
*/
public function get_params() {
$order = $this->get_parameter_order();
$order = array_reverse( $order, true );
$params = array();
foreach ( $order as $type ) {
$params = array_merge( $params, (array) $this->params[ $type ] );
}
return $params;
}
/**
* Retrieves parameters from the route itself.
*
* These are parsed from the URL using the regex.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value.
*/
public function get_url_params() {
return $this->params['URL'];
}
/**
* Sets parameters from the route.
*
* Typically, this is set after parsing the URL.
*
* @since 4.4.0
* @access public
*
* @param array $params Parameter map of key to value.
*/
public function set_url_params( $params ) {
$this->params['URL'] = $params;
}
/**
* Retrieves parameters from the query string.
*
* These are the parameters you'd typically find in `$_GET`.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value
*/
public function get_query_params() {
return $this->params['GET'];
}
/**
* Sets parameters from the query string.
*
* Typically, this is set from `$_GET`.
*
* @since 4.4.0
* @access public
*
* @param array $params Parameter map of key to value.
*/
public function set_query_params( $params ) {
$this->params['GET'] = $params;
}
/**
* Retrieves parameters from the body.
*
* These are the parameters you'd typically find in `$_POST`.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value.
*/
public function get_body_params() {
return $this->params['POST'];
}
/**
* Sets parameters from the body.
*
* Typically, this is set from `$_POST`.
*
* @since 4.4.0
* @access public
*
* @param array $params Parameter map of key to value.
*/
public function set_body_params( $params ) {
$this->params['POST'] = $params;
}
/**
* Retrieves multipart file parameters from the body.
*
* These are the parameters you'd typically find in `$_FILES`.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value
*/
public function get_file_params() {
return $this->params['FILES'];
}
/**
* Sets multipart file parameters from the body.
*
* Typically, this is set from `$_FILES`.
*
* @since 4.4.0
* @access public
*
* @param array $params Parameter map of key to value.
*/
public function set_file_params( $params ) {
$this->params['FILES'] = $params;
}
/**
* Retrieves the default parameters.
*
* These are the parameters set in the route registration.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value
*/
public function get_default_params() {
return $this->params['defaults'];
}
/**
* Sets default parameters.
*
* These are the parameters set in the route registration.
*
* @since 4.4.0
* @access public
*
* @param array $params Parameter map of key to value.
*/
public function set_default_params( $params ) {
$this->params['defaults'] = $params;
}
/**
* Retrieves the request body content.
*
* @since 4.4.0
* @access public
*
* @return string Binary data from the request body.
*/
public function get_body() {
return $this->body;
}
/**
* Sets body content.
*
* @since 4.4.0
* @access public
*
* @param string $data Binary data from the request body.
*/
public function set_body( $data ) {
$this->body = $data;
// Enable lazy parsing.
$this->parsed_json = false;
$this->parsed_body = false;
$this->params['JSON'] = null;
}
/**
* Retrieves the parameters from a JSON-formatted body.
*
* @since 4.4.0
* @access public
*
* @return array Parameter map of key to value.
*/
public function get_json_params() {
// Ensure the parameters have been parsed out.
$this->parse_json_params();
return $this->params['JSON'];
}
/**
* Parses the JSON parameters.
*
* Avoids parsing the JSON data until we need to access it.
*
* @since 4.4.0
* @access protected
*/
protected function parse_json_params() {
if ( $this->parsed_json ) {
return;
}
$this->parsed_json = true;
// Check that we actually got JSON.
$content_type = $this->get_content_type();
if ( empty( $content_type ) || 'application/json' !== $content_type['value'] ) {
return;
}
$params = json_decode( $this->get_body(), true );
/*
* Check for a parsing error.
*
* Note that due to WP's JSON compatibility functions, json_last_error
* might not be defined: https://core.trac.wordpress.org/ticket/27799
*/
if ( null === $params && ( ! function_exists( 'json_last_error' ) || JSON_ERROR_NONE !== json_last_error() ) ) {
return;
}
$this->params['JSON'] = $params;
}
/**
* Parses the request body parameters.
*
* Parses out URL-encoded bodies for request methods that aren't supported
* natively by PHP. In PHP 5.x, only POST has these parsed automatically.
*
* @since 4.4.0
* @access protected
*/
protected function parse_body_params() {
if ( $this->parsed_body ) {
return;
}
$this->parsed_body = true;
/*
* Check that we got URL-encoded. Treat a missing content-type as
* URL-encoded for maximum compatibility.
*/
$content_type = $this->get_content_type();
if ( ! empty( $content_type ) && 'application/x-www-form-urlencoded' !== $content_type['value'] ) {
return;
}
parse_str( $this->get_body(), $params );
/*
* Amazingly, parse_str follows magic quote rules. Sigh.
*
* NOTE: Do not refactor to use `wp_unslash`.
*/
if ( get_magic_quotes_gpc() ) {
$params = stripslashes_deep( $params );
}
/*
* Add to the POST parameters stored internally. If a user has already
* set these manually (via `set_body_params`), don't override them.
*/
$this->params['POST'] = array_merge( $params, $this->params['POST'] );
}
/**
* Retrieves the route that matched the request.
*
* @since 4.4.0
* @access public
*
* @return string Route matching regex.
*/
public function get_route() {
return $this->route;
}
/**
* Sets the route that matched the request.
*
* @since 4.4.0
* @access public
*
* @param string $route Route matching regex.
*/
public function set_route( $route ) {
$this->route = $route;
}
/**
* Retrieves the attributes for the request.
*
* These are the options for the route that was matched.
*
* @since 4.4.0
* @access public
*
* @return array Attributes for the request.
*/
public function get_attributes() {
return $this->attributes;
}
/**
* Sets the attributes for the request.
*
* @since 4.4.0
* @access public
*
* @param array $attributes Attributes for the request.
*/
public function set_attributes( $attributes ) {
$this->attributes = $attributes;
}
/**
* Sanitizes (where possible) the params on the request.
*
* This is primarily based off the sanitize_callback param on each registered
* argument.
*
* @since 4.4.0
* @access public
*
* @return true|null True if there are no parameters to sanitize, null otherwise.
*/
public function sanitize_params() {
$attributes = $this->get_attributes();
// No arguments set, skip sanitizing.
if ( empty( $attributes['args'] ) ) {
return true;
}
$order = $this->get_parameter_order();
foreach ( $order as $type ) {
if ( empty( $this->params[ $type ] ) ) {
continue;
}
foreach ( $this->params[ $type ] as $key => $value ) {
// Check if this param has a sanitize_callback added.
if ( isset( $attributes['args'][ $key ] ) && ! empty( $attributes['args'][ $key ]['sanitize_callback'] ) ) {
$this->params[ $type ][ $key ] = call_user_func( $attributes['args'][ $key ]['sanitize_callback'], $value, $this, $key );
}
}
}
return null;
}
/**
* Checks whether this request is valid according to its attributes.
*
* @since 4.4.0
* @access public
*
* @return bool|WP_Error True if there are no parameters to validate or if all pass validation,
* WP_Error if required parameters are missing.
*/
public function has_valid_params() {
$attributes = $this->get_attributes();
$required = array();
// No arguments set, skip validation.
if ( empty( $attributes['args'] ) ) {
return true;
}
foreach ( $attributes['args'] as $key => $arg ) {
$param = $this->get_param( $key );
if ( isset( $arg['required'] ) && true === $arg['required'] && null === $param ) {
$required[] = $key;
}
}
if ( ! empty( $required ) ) {
return new WP_Error( 'rest_missing_callback_param', sprintf( __( 'Missing parameter(s): %s' ), implode( ', ', $required ) ), array( 'status' => 400, 'params' => $required ) );
}
/*
* Check the validation callbacks for each registered arg.
*
* This is done after required checking as required checking is cheaper.
*/
$invalid_params = array();
foreach ( $attributes['args'] as $key => $arg ) {
$param = $this->get_param( $key );
if ( null !== $param && ! empty( $arg['validate_callback'] ) ) {
$valid_check = call_user_func( $arg['validate_callback'], $param, $this, $key );
if ( false === $valid_check ) {
$invalid_params[ $key ] = __( 'Invalid param.' );
}
if ( is_wp_error( $valid_check ) ) {
$invalid_params[] = sprintf( '%s (%s)', $key, $valid_check->get_error_message() );
}
}
}
if ( $invalid_params ) {
return new WP_Error( 'rest_invalid_param', sprintf( __( 'Invalid parameter(s): %s' ), implode( ', ', $invalid_params ) ), array( 'status' => 400, 'params' => $invalid_params ) );
}
return true;
}
/**
* Checks if a parameter is set.
*
* @since 4.4.0
* @access public
*
* @param string $offset Parameter name.
* @return bool Whether the parameter is set.
*/
public function offsetExists( $offset ) {
$order = $this->get_parameter_order();
foreach ( $order as $type ) {
if ( isset( $this->params[ $type ][ $offset ] ) ) {
return true;
}
}
return false;
}
/**
* Retrieves a parameter from the request.
*
* @since 4.4.0
* @access public
*
* @param string $offset Parameter name.
* @return mixed|null Value if set, null otherwise.
*/
public function offsetGet( $offset ) {
return $this->get_param( $offset );
}
/**
* Sets a parameter on the request.
*
* @since 4.4.0
* @access public
*
* @param string $offset Parameter name.
* @param mixed $value Parameter value.
*/
public function offsetSet( $offset, $value ) {
$this->set_param( $offset, $value );
}
/**
* Removes a parameter from the request.
*
* @since 4.4.0
* @access public
*
* @param string $offset Parameter name.
*/
public function offsetUnset( $offset ) {
$order = $this->get_parameter_order();
// Remove the offset from every group.
foreach ( $order as $type ) {
unset( $this->params[ $type ][ $offset ] );
}
}
}

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<?php
/**
* REST API: WP_REST_Response class
*
* @package WordPress
* @subpackage REST_API
* @since 4.4.0
*/
/**
* Core class used to implement a REST response object.
*
* @since 4.4.0
*
* @see WP_HTTP_Response
*/
class WP_REST_Response extends WP_HTTP_Response {
/**
* Links related to the response.
*
* @since 4.4.0
* @access protected
* @var array
*/
protected $links = array();
/**
* The route that was to create the response.
*
* @since 4.4.0
* @access protected
* @var string
*/
protected $matched_route = '';
/**
* The handler that was used to create the response.
*
* @since 4.4.0
* @access protected
* @var null|array
*/
protected $matched_handler = null;
/**
* Adds a link to the response.
*
* @internal The $rel parameter is first, as this looks nicer when sending multiple.
*
* @since 4.4.0
* @access public
*
* @link http://tools.ietf.org/html/rfc5988
* @link http://www.iana.org/assignments/link-relations/link-relations.xml
*
* @param string $rel Link relation. Either an IANA registered type,
* or an absolute URL.
* @param string $href Target URI for the link.
* @param array $attributes Optional. Link parameters to send along with the URL. Default empty array.
*/
public function add_link( $rel, $href, $attributes = array() ) {
if ( empty( $this->links[ $rel ] ) ) {
$this->links[ $rel ] = array();
}
if ( isset( $attributes['href'] ) ) {
// Remove the href attribute, as it's used for the main URL.
unset( $attributes['href'] );
}
$this->links[ $rel ][] = array(
'href' => $href,
'attributes' => $attributes,
);
}
/**
* Removes a link from the response.
*
* @since 4.4.0
* @access public
*
* @param string $rel Link relation. Either an IANA registered type, or an absolute URL.
* @param string $href Optional. Only remove links for the relation matching the given href.
* Default null.
*/
public function remove_link( $rel, $href = null ) {
if ( ! isset( $this->links[ $rel ] ) ) {
return;
}
if ( $href ) {
$this->links[ $rel ] = wp_list_filter( $this->links[ $rel ], array( 'href' => $href ), 'NOT' );
} else {
$this->links[ $rel ] = array();
}
if ( ! $this->links[ $rel ] ) {
unset( $this->links[ $rel ] );
}
}
/**
* Adds multiple links to the response.
*
* Link data should be an associative array with link relation as the key.
* The value can either be an associative array of link attributes
* (including `href` with the URL for the response), or a list of these
* associative arrays.
*
* @since 4.4.0
* @access public
*
* @param array $links Map of link relation to list of links.
*/
public function add_links( $links ) {
foreach ( $links as $rel => $set ) {
// If it's a single link, wrap with an array for consistent handling.
if ( isset( $set['href'] ) ) {
$set = array( $set );
}
foreach ( $set as $attributes ) {
$this->add_link( $rel, $attributes['href'], $attributes );
}
}
}
/**
* Retrieves links for the response.
*
* @since 4.4.0
* @access public
*
* @return array List of links.
*/
public function get_links() {
return $this->links;
}
/**
* Sets a single link header.
*
* @internal The $rel parameter is first, as this looks nicer when sending multiple.
*
* @since 4.4.0
* @access public
*
* @link http://tools.ietf.org/html/rfc5988
* @link http://www.iana.org/assignments/link-relations/link-relations.xml
*
* @param string $rel Link relation. Either an IANA registered type, or an absolute URL.
* @param string $link Target IRI for the link.
* @param array $other Optional. Other parameters to send, as an assocative array.
* Default empty array.
*/
public function link_header( $rel, $link, $other = array() ) {
$header = '<' . $link . '>; rel="' . $rel . '"';
foreach ( $other as $key => $value ) {
if ( 'title' === $key ) {
$value = '"' . $value . '"';
}
$header .= '; ' . $key . '=' . $value;
}
$this->header( 'Link', $header, false );
}
/**
* Retrieves the route that was used.
*
* @since 4.4.0
* @access public
*
* @return string The matched route.
*/
public function get_matched_route() {
return $this->matched_route;
}
/**
* Sets the route (regex for path) that caused the response.
*
* @since 4.4.0
* @access public
*
* @param string $route Route name.
*/
public function set_matched_route( $route ) {
$this->matched_route = $route;
}
/**
* Retrieves the handler that was used to generate the response.
*
* @since 4.4.0
* @access public
*
* @return null|array The handler that was used to create the response.
*/
public function get_matched_handler() {
return $this->matched_handler;
}
/**
* Retrieves the handler that was responsible for generating the response.
*
* @since 4.4.0
* @access public
*
* @param array $handler The matched handler.
*/
public function set_matched_handler( $handler ) {
$this->matched_handler = $handler;
}
/**
* Checks if the response is an error, i.e. >= 400 response code.
*
* @since 4.4.0
* @access public
*
* @return bool Whether the response is an error.
*/
public function is_error() {
return $this->get_status() >= 400;
}
/**
* Retrieves a WP_Error object from the response.
*
* @since 4.4.0
* @access public
*
* @return WP_Error|null WP_Error or null on not an errored response.
*/
public function as_error() {
if ( ! $this->is_error() ) {
return null;
}
$error = new WP_Error;
if ( is_array( $this->get_data() ) ) {
foreach ( $this->get_data() as $err ) {
$error->add( $err['code'], $err['message'], $err['data'] );
}
} else {
$error->add( $this->get_status(), '', array( 'status' => $this->get_status() ) );
}
return $error;
}
}

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<?php
/**
* REST API functions.
*
* @package WordPress
* @subpackage REST_API
*/
/**
* Registers a REST API route.
*
* @since 4.4.0
*
* @param string $namespace The first URL segment after core prefix. Should be unique to your package/plugin.
* @param string $route The base URL for route you are adding.
* @param array $args Optional. Either an array of options for the endpoint, or an array of arrays for
* multiple methods. Default empty array.
* @param bool $override Optional. If the route already exists, should we override it? True overrides,
* false merges (with newer overriding if duplicate keys exist). Default false.
*/
function register_rest_route( $namespace, $route, $args = array(), $override = false ) {
/** @var WP_REST_Server $wp_rest_server */
global $wp_rest_server;
if ( isset( $args['callback'] ) ) {
// Upgrade a single set to multiple.
$args = array( $args );
}
$defaults = array(
'methods' => 'GET',
'callback' => null,
'args' => array(),
);
foreach ( $args as $key => &$arg_group ) {
if ( ! is_numeric( $arg_group ) ) {
// Route option, skip here.
continue;
}
$arg_group = array_merge( $defaults, $arg_group );
}
if ( $namespace ) {
$full_route = '/' . trim( $namespace, '/' ) . '/' . trim( $route, '/' );
} else {
/*
* Non-namespaced routes are not allowed, with the exception of the main
* and namespace indexes. If you really need to register a
* non-namespaced route, call `WP_REST_Server::register_route` directly.
*/
_doing_it_wrong( 'register_rest_route', 'Routes must be namespaced with plugin name and version', 'WPAPI-2.0' );
$full_route = '/' . trim( $route, '/' );
}
$wp_rest_server->register_route( $namespace, $full_route, $args, $override );
}
/**
* Registers a new field on an existing WordPress object type.
*
* @since 4.4.0
*
* @global array $wp_rest_additional_fields Holds registered fields, organized
* by object type.
*
* @param string|array $object_type Object(s) the field is being registered
* to, "post"|"term"|"comment" etc.
* @param string $attribute The attribute name.
* @param array $args {
* Optional. An array of arguments used to handle the registered field.
*
* @type string|array|null $get_callback Optional. The callback function used to retrieve the field
* value. Default is 'null', the field will not be returned in
* the response.
* @type string|array|null $update_callback Optional. The callback function used to set and update the
* field value. Default is 'null', the value cannot be set or
* updated.
* @type string|array|null schema Optional. The callback function used to create the schema for
* this field. Default is 'null', no schema entry will be returned.
* }
*/
function register_api_field( $object_type, $attribute, $args = array() ) {
$defaults = array(
'get_callback' => null,
'update_callback' => null,
'schema' => null,
);
$args = wp_parse_args( $args, $defaults );
global $wp_rest_additional_fields;
$object_types = (array) $object_type;
foreach ( $object_types as $object_type ) {
$wp_rest_additional_fields[ $object_type ][ $attribute ] = $args;
}
}
/**
* Registers rewrite rules for the API.
*
* @since 4.4.0
*
* @see rest_api_register_rewrites()
* @global WP $wp Current WordPress environment instance.
*/
function rest_api_init() {
rest_api_register_rewrites();
global $wp;
$wp->add_query_var( 'rest_route' );
}
/**
* Adds REST rewrite rules.
*
* @since 4.4.0
*
* @see add_rewrite_rule()
*/
function rest_api_register_rewrites() {
add_rewrite_rule( '^' . rest_get_url_prefix() . '/?$','index.php?rest_route=/','top' );
add_rewrite_rule( '^' . rest_get_url_prefix() . '/(.*)?','index.php?rest_route=/$matches[1]','top' );
}
/**
* Registers the default REST API filters.
*
* @since 4.4.0
*
* @internal This will live in default-filters.php
*/
function rest_api_default_filters() {
// Deprecated reporting.
add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 );
add_filter( 'deprecated_function_trigger_error', '__return_false' );
add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 );
add_filter( 'deprecated_argument_trigger_error', '__return_false' );
// Default serving.
add_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' );
add_filter( 'rest_post_dispatch', 'rest_send_allow_header', 10, 3 );
add_filter( 'rest_pre_dispatch', 'rest_handle_options_request', 10, 3 );
}
/**
* Loads the REST API.
*
* @since 4.4.0
*/
function rest_api_loaded() {
if ( empty( $GLOBALS['wp']->query_vars['rest_route'] ) ) {
return;
}
/**
* Whether this is a REST Request.
*
* @var bool
*/
define( 'REST_REQUEST', true );
/** @var WP_REST_Server $wp_rest_server */
global $wp_rest_server;
/**
* Filter the REST Server Class.
*
* This filter allows you to adjust the server class used by the API, using a
* different class to handle requests.
*
* @since 4.4.0
*
* @param string $class_name The name of the server class. Default 'WP_REST_Server'.
*/
$wp_rest_server_class = apply_filters( 'wp_rest_server_class', 'WP_REST_Server' );
$wp_rest_server = new $wp_rest_server_class;
/**
* Fires when preparing to serve an API request.
*
* Endpoint objects should be created and register their hooks on this action rather
* than another action to ensure they're only loaded when needed.
*
* @since 4.4.0
*
* @param WP_REST_Server $wp_rest_server Server object.
*/
do_action( 'rest_api_init', $wp_rest_server );
// Fire off the request.
$wp_rest_server->serve_request( $GLOBALS['wp']->query_vars['rest_route'] );
// We're done.
die();
}
/**
* Retrieves the URL prefix for any API resource.
*
* @since 4.4.0
*
* @return string Prefix.
*/
function rest_get_url_prefix() {
/**
* Filter the REST URL prefix.
*
* @since 4.4.0
*
* @param string $prefix URL prefix. Default 'wp-json'.
*/
return apply_filters( 'rest_url_prefix', 'wp-json' );
}
/**
* Retrieves the URL to a REST endpoint on a site.
*
* Note: The returned URL is NOT escaped.
*
* @since 4.4.0
*
* @todo Check if this is even necessary
*
* @param int $blog_id Optional. Blog ID. Default of null returns URL for current blog.
* @param string $path Optional. REST route. Default '/'.
* @param string $scheme Optional. Sanitization scheme. Default 'json'.
* @return string Full URL to the endpoint.
*/
function get_rest_url( $blog_id = null, $path = '/', $scheme = 'json' ) {
if ( empty( $path ) ) {
$path = '/';
}
if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) {
$url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme );
$url .= '/' . ltrim( $path, '/' );
} else {
$url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
$path = '/' . ltrim( $path, '/' );
$url = add_query_arg( 'rest_route', $path, $url );
}
/**
* Filter the REST URL.
*
* Use this filter to adjust the url returned by the `get_rest_url` function.
*
* @since 4.4.0
*
* @param string $url REST URL.
* @param string $path REST route.
* @param int $blod_ig Blog ID.
* @param string $scheme Sanitization scheme.
*/
return apply_filters( 'rest_url', $url, $path, $blog_id, $scheme );
}
/**
* Retrieves the URL to a REST endpoint.
*
* Note: The returned URL is NOT escaped.
*
* @since 4.4.0
*
* @param string $path Optional. REST route. Default empty.
* @param string $scheme Optional. Sanitization scheme. Default 'json'.
* @return string Full URL to the endpoint.
*/
function rest_url( $path = '', $scheme = 'json' ) {
return get_rest_url( null, $path, $scheme );
}
/**
* Do a REST request.
*
* Used primarily to route internal requests through WP_REST_Server.
*
* @since 4.4.0
*
* @global WP_REST_Server $wp_rest_server
*
* @param WP_REST_Request|string $request Request.
* @return WP_REST_Response REST response.
*/
function rest_do_request( $request ) {
global $wp_rest_server;
$request = rest_ensure_request( $request );
return $wp_rest_server->dispatch( $request );
}
/**
* Ensures request arguments are a request object (for consistency).
*
* @since 4.4.0
*
* @param array|WP_REST_Request $request Request to check.
* @return WP_REST_Request REST request instance.
*/
function rest_ensure_request( $request ) {
if ( $request instanceof WP_REST_Request ) {
return $request;
}
return new WP_REST_Request( 'GET', '', $request );
}
/**
* Ensures a REST response is a response object (for consistency).
*
* This implements WP_HTTP_Response, allowing usage of `set_status`/`header`/etc
* without needing to double-check the object. Will also allow WP_Error to indicate error
* responses, so users should immediately check for this value.
*
* @since 4.4.0
*
* @param WP_Error|WP_HTTP_Response|mixed $response Response to check.
* @return mixed WP_Error if response generated an error, WP_HTTP_Response if response
* is a already an instance, otherwise returns a new WP_REST_Response instance.
*/
function rest_ensure_response( $response ) {
if ( is_wp_error( $response ) ) {
return $response;
}
if ( $response instanceof WP_HTTP_Response ) {
return $response;
}
return new WP_REST_Response( $response );
}
/**
* Handles _deprecated_function() errors.
*
* @since 4.4.0
*
* @param string $function Function name.
* @param string $replacement Replacement function name.
* @param string $version Version.
*/
function rest_handle_deprecated_function( $function, $replacement, $version ) {
if ( ! empty( $replacement ) ) {
$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
} else {
$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
}
header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
}
/**
* Handles _deprecated_argument() errors.
*
* @since 4.4.0
*
* @param string $function Function name.
* @param string $replacement Replacement function name.
* @param string $version Version.
*/
function rest_handle_deprecated_argument( $function, $replacement, $version ) {
if ( ! empty( $replacement ) ) {
$string = sprintf( __( '%1$s (since %2$s; %3$s)' ), $function, $version, $replacement );
} else {
$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
}
header( sprintf( 'X-WP-DeprecatedParam: %s', $string ) );
}
/**
* Sends Cross-Origin Resource Sharing headers with API requests.
*
* @since 4.4.0
*
* @param mixed $value Response data.
* @return mixed Response data.
*/
function rest_send_cors_headers( $value ) {
$origin = get_http_origin();
if ( $origin ) {
header( 'Access-Control-Allow-Origin: ' . esc_url_raw( $origin ) );
header( 'Access-Control-Allow-Methods: POST, GET, OPTIONS, PUT, DELETE' );
header( 'Access-Control-Allow-Credentials: true' );
}
return $value;
}
/**
* Handles OPTIONS requests for the server.
*
* This is handled outside of the server code, as it doesn't obey normal route
* mapping.
*
* @since 4.4.0
*
* @param mixed $response Current response, either response or `null` to indicate pass-through.
* @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server).
* @param WP_REST_Request $request The request that was used to make current response.
* @return WP_REST_Response Modified response, either response or `null` to indicate pass-through.
*/
function rest_handle_options_request( $response, $handler, $request ) {
if ( ! empty( $response ) || $request->get_method() !== 'OPTIONS' ) {
return $response;
}
$response = new WP_REST_Response();
$data = array();
$accept = array();
foreach ( $handler->get_routes() as $route => $endpoints ) {
$match = preg_match( '@^' . $route . '$@i', $request->get_route(), $args );
if ( ! $match ) {
continue;
}
$data = $handler->get_data_for_route( $route, $endpoints, 'help' );
$accept = array_merge( $accept, $data['methods'] );
break;
}
$response->header( 'Accept', implode( ', ', $accept ) );
$response->set_data( $data );
return $response;
}
/**
* Sends the "Allow" header to state all methods that can be sent to the current route.
*
* @since 4.4.0
*
* @param WP_REST_Response $response Current response being served.
* @param WP_REST_Server $server ResponseHandler instance (usually WP_REST_Server).
* @param WP_REST_Request $request The request that was used to make current response.
* @return WP_REST_Response Current response being served.
*/
function rest_send_allow_header( $response, $server, $request ) {
$matched_route = $response->get_matched_route();
if ( ! $matched_route ) {
return $response;
}
$routes = $server->get_routes();
$allowed_methods = array();
// Get the allowed methods across the routes.
foreach ( $routes[ $matched_route ] as $_handler ) {
foreach ( $_handler['methods'] as $handler_method => $value ) {
if ( ! empty( $_handler['permission_callback'] ) ) {
$permission = call_user_func( $_handler['permission_callback'], $request );
$allowed_methods[ $handler_method ] = true === $permission;
} else {
$allowed_methods[ $handler_method ] = true;
}
}
}
// Strip out all the methods that are not allowed (false values).
$allowed_methods = array_filter( $allowed_methods );
if ( $allowed_methods ) {
$response->header( 'Allow', implode( ', ', array_map( 'strtoupper', array_keys( $allowed_methods ) ) ) );
}
return $response;
}
/**
* Adds the REST API URL to the WP RSD endpoint.
*
* @since 4.4.0
*
* @see get_rest_url()
*/
function rest_output_rsd() {
$api_root = get_rest_url();
if ( empty( $api_root ) ) {
return;
}
?>
<api name="WP-API" blogID="1" preferred="false" apiLink="<?php echo esc_url( $api_root ); ?>" />
<?php
}
/**
* Outputs the REST API link tag into page header.
*
* @since 4.4.0
*
* @see get_rest_url()
*/
function rest_output_link_wp_head() {
$api_root = get_rest_url();
if ( empty( $api_root ) ) {
return;
}
echo "<link rel='https://github.com/WP-API/WP-API' href='" . esc_url( $api_root ) . "' />\n";
}
/**
* Sends a Link header for the REST API.
*
* @since 4.4.0
*/
function rest_output_link_header() {
if ( headers_sent() ) {
return;
}
$api_root = get_rest_url();
if ( empty( $api_root ) ) {
return;
}
header( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://github.com/WP-API/WP-API"', false );
}
/**
* Checks for errors when using cookie-based authentication.
*
* WordPress' built-in cookie authentication is always active
* for logged in users. However, the API has to check nonces
* for each request to ensure users are not vulnerable to CSRF.
*
* @since 4.4.0
*
* @global mixed $wp_rest_auth_cookie
*
* @param WP_Error|mixed $result Error from another authentication handler, null if we should handle it,
* or another value if not.
* @return WP_Error|mixed|bool WP_Error if the cookie is invalid, the $result, otherwise true.
*/
function rest_cookie_check_errors( $result ) {
if ( ! empty( $result ) ) {
return $result;
}
global $wp_rest_auth_cookie;
/*
* Is cookie authentication being used? (If we get an auth
* error, but we're still logged in, another authentication
* must have been used).
*/
if ( true !== $wp_rest_auth_cookie && is_user_logged_in() ) {
return $result;
}
// Determine if there is a nonce.
$nonce = null;
if ( isset( $_REQUEST['_wp_rest_nonce'] ) ) {
$nonce = $_REQUEST['_wp_rest_nonce'];
} elseif ( isset( $_SERVER['HTTP_X_WP_NONCE'] ) ) {
$nonce = $_SERVER['HTTP_X_WP_NONCE'];
}
if ( null === $nonce ) {
// No nonce at all, so act as if it's an unauthenticated request.
wp_set_current_user( 0 );
return true;
}
// Check the nonce.
$result = wp_verify_nonce( $nonce, 'wp_rest' );
if ( ! $result ) {
return new WP_Error( 'rest_cookie_invalid_nonce', __( 'Cookie nonce is invalid' ), array( 'status' => 403 ) );
}
return true;
}
/**
* Collects cookie authentication status.
*
* Collects errors from wp_validate_auth_cookie for use by rest_cookie_check_errors.
*
* @since 4.4.0
*
* @see current_action()
* @global mixed $wp_rest_auth_cookie
*/
function rest_cookie_collect_status() {
global $wp_rest_auth_cookie;
$status_type = current_action();
if ( 'auth_cookie_valid' !== $status_type ) {
$wp_rest_auth_cookie = substr( $status_type, 12 );
return;
}
$wp_rest_auth_cookie = true;
}
/**
* Parses an RFC3339 timestamp into a DateTime.
*
* @since 4.4.0
*
* @param string $date RFC3339 timestamp.
* @param bool $force_utc Optional. Whether to force UTC timezone instead of using
* the timestamp's timezone. Default false.
* @return DateTime DateTime instance.
*/
function rest_parse_date( $date, $force_utc = false ) {
if ( $force_utc ) {
$date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date );
}
$regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#';
if ( ! preg_match( $regex, $date, $matches ) ) {
return false;
}
return strtotime( $date );
}
/**
* Retrieves a local date with its GMT equivalent, in MySQL datetime format.
*
* @since 4.4.0
*
* @see rest_parse_date()
*
* @param string $date RFC3339 timestamp.
* @param bool $force_utc Whether a UTC timestamp should be forced. Default false.
* @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
* null on failure.
*/
function rest_get_date_with_gmt( $date, $force_utc = false ) {
$date = rest_parse_date( $date, $force_utc );
if ( empty( $date ) ) {
return null;
}
$utc = date( 'Y-m-d H:i:s', $date );
$local = get_date_from_gmt( $utc );
return array( $local, $utc );
}

View File

@ -154,6 +154,7 @@ require( ABSPATH . WPINC . '/widgets.php' );
require( ABSPATH . WPINC . '/nav-menu.php' );
require( ABSPATH . WPINC . '/nav-menu-template.php' );
require( ABSPATH . WPINC . '/admin-bar.php' );
require( ABSPATH . WPINC . '/rest-api.php' );
// Load multisite-specific files.
if ( is_multisite() ) {

View File

@ -90,11 +90,13 @@ require_once ABSPATH . '/wp-settings.php';
_delete_all_posts();
require dirname( __FILE__ ) . '/testcase.php';
require dirname( __FILE__ ) . '/testcase-rest-api.php';
require dirname( __FILE__ ) . '/testcase-xmlrpc.php';
require dirname( __FILE__ ) . '/testcase-ajax.php';
require dirname( __FILE__ ) . '/testcase-canonical.php';
require dirname( __FILE__ ) . '/exceptions.php';
require dirname( __FILE__ ) . '/utils.php';
require dirname( __FILE__ ) . '/spy-rest-server.php';
/**
* A child class of the PHP test runner.

View File

@ -0,0 +1,23 @@
<?php
class Spy_REST_Server extends WP_REST_Server {
/**
* Get the raw $endpoints data from the server
*
* @return array
*/
public function get_raw_endpoint_data() {
return $this->endpoints;
}
/**
* Allow calling protected methods from tests
*
* @param string $method Method to call
* @param array $args Arguments to pass to the method
* @return mixed
*/
public function __call( $method, $args ) {
return call_user_func_array( array( $this, $method ), $args );
}
}

View File

@ -0,0 +1,19 @@
<?php
abstract class WP_Test_REST_TestCase extends WP_UnitTestCase {
protected function assertErrorResponse( $code, $response, $status = null ) {
if ( is_a( $response, 'WP_REST_Response' ) ) {
$response = $response->as_error();
}
$this->assertInstanceOf( 'WP_Error', $response );
$this->assertEquals( $code, $response->get_error_code() );
if ( null !== $status ) {
$data = $response->get_error_data();
$this->assertArrayHasKey( 'status', $data );
$this->assertEquals( $status, $data['status'] );
}
}
}

View File

@ -0,0 +1,255 @@
<?php
/**
* REST API functions.
*
* @package WordPress
* @subpackage REST API
*/
require_once ABSPATH . 'wp-admin/includes/admin.php';
require_once ABSPATH . WPINC . '/rest-api.php';
/**
* @group restapi
*/
class Tests_REST_API extends WP_UnitTestCase {
public function setUp() {
// Override the normal server with our spying server.
$GLOBALS['wp_rest_server'] = new Spy_REST_Server();
parent::setup();
}
/**
* The plugin should be installed and activated.
*/
function test_rest_api_activated() {
$this->assertTrue( class_exists( 'WP_REST_Server' ) );
}
/**
* The rest_api_init hook should have been registered with init, and should
* have a default priority of 10.
*/
function test_init_action_added() {
$this->assertEquals( 10, has_action( 'init', 'rest_api_init' ) );
}
/**
* Check that a single route is canonicalized.
*
* Ensures that single and multiple routes are handled correctly.
*/
public function test_route_canonicalized() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
) );
// Check the route was registered correctly.
$endpoints = $GLOBALS['wp_rest_server']->get_raw_endpoint_data();
$this->assertArrayHasKey( '/test-ns/test', $endpoints );
// Check the route was wrapped in an array.
$endpoint = $endpoints['/test-ns/test'];
$this->assertArrayNotHasKey( 'callback', $endpoint );
$this->assertArrayHasKey( 'namespace', $endpoint );
$this->assertEquals( 'test-ns', $endpoint['namespace'] );
// Grab the filtered data.
$filtered_endpoints = $GLOBALS['wp_rest_server']->get_routes();
$this->assertArrayHasKey( '/test-ns/test', $filtered_endpoints );
$endpoint = $filtered_endpoints['/test-ns/test'];
$this->assertCount( 1, $endpoint );
$this->assertArrayHasKey( 'callback', $endpoint[0] );
$this->assertArrayHasKey( 'methods', $endpoint[0] );
$this->assertArrayHasKey( 'args', $endpoint[0] );
}
/**
* Check that a single route is canonicalized.
*
* Ensures that single and multiple routes are handled correctly.
*/
public function test_route_canonicalized_multiple() {
register_rest_route( 'test-ns', '/test', array(
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
),
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
),
) );
// Check the route was registered correctly.
$endpoints = $GLOBALS['wp_rest_server']->get_raw_endpoint_data();
$this->assertArrayHasKey( '/test-ns/test', $endpoints );
// Check the route was wrapped in an array.
$endpoint = $endpoints['/test-ns/test'];
$this->assertArrayNotHasKey( 'callback', $endpoint );
$this->assertArrayHasKey( 'namespace', $endpoint );
$this->assertEquals( 'test-ns', $endpoint['namespace'] );
$filtered_endpoints = $GLOBALS['wp_rest_server']->get_routes();
$endpoint = $filtered_endpoints['/test-ns/test'];
$this->assertCount( 2, $endpoint );
// Check for both methods.
foreach ( array( 0, 1 ) as $key ) {
$this->assertArrayHasKey( 'callback', $endpoint[ $key ] );
$this->assertArrayHasKey( 'methods', $endpoint[ $key ] );
$this->assertArrayHasKey( 'args', $endpoint[ $key ] );
}
}
/**
* Check that routes are merged by default.
*/
public function test_route_merge() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
) );
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
) );
// Check both routes exist.
$endpoints = $GLOBALS['wp_rest_server']->get_routes();
$endpoint = $endpoints['/test-ns/test'];
$this->assertCount( 2, $endpoint );
}
/**
* Check that we can override routes.
*/
public function test_route_override() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'should_exist' => false,
) );
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'should_exist' => true,
), true );
// Check we only have one route.
$endpoints = $GLOBALS['wp_rest_server']->get_routes();
$endpoint = $endpoints['/test-ns/test'];
$this->assertCount( 1, $endpoint );
// Check it's the right one.
$this->assertArrayHasKey( 'should_exist', $endpoint[0] );
$this->assertTrue( $endpoint[0]['should_exist'] );
}
/**
* The rest_route query variable should be registered.
*/
function test_rest_route_query_var() {
rest_api_init();
$this->assertTrue( in_array( 'rest_route', $GLOBALS['wp']->public_query_vars ) );
}
public function test_route_method() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
) );
$routes = $GLOBALS['wp_rest_server']->get_routes();
$this->assertEquals( $routes['/test-ns/test'][0]['methods'], array( 'GET' => true ) );
}
/**
* The 'methods' arg should accept a single value as well as array.
*/
public function test_route_method_string() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
) );
$routes = $GLOBALS['wp_rest_server']->get_routes();
$this->assertEquals( $routes['/test-ns/test'][0]['methods'], array( 'GET' => true ) );
}
/**
* The 'methods' arg should accept a single value as well as array.
*/
public function test_route_method_array() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET', 'POST' ),
'callback' => '__return_null',
) );
$routes = $GLOBALS['wp_rest_server']->get_routes();
$this->assertEquals( $routes['/test-ns/test'][0]['methods'], array( 'GET' => true, 'POST' => true ) );
}
/**
* The 'methods' arg should a comma seperated string.
*/
public function test_route_method_comma_seperated() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET,POST',
'callback' => '__return_null',
) );
$routes = $GLOBALS['wp_rest_server']->get_routes();
$this->assertEquals( $routes['/test-ns/test'][0]['methods'], array( 'GET' => true, 'POST' => true ) );
}
public function test_options_request() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET,POST',
'callback' => '__return_null',
) );
$request = new WP_REST_Request( 'OPTIONS', '/test-ns/test' );
$response = rest_handle_options_request( null, $GLOBALS['wp_rest_server'], $request );
$headers = $response->get_headers();
$this->assertArrayHasKey( 'Accept', $headers );
$this->assertEquals( 'GET, POST', $headers['Accept'] );
}
/**
* Ensure that the OPTIONS handler doesn't kick in for non-OPTIONS requests.
*/
public function test_options_request_not_options() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET,POST',
'callback' => '__return_true',
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test' );
$response = rest_handle_options_request( null, $GLOBALS['wp_rest_server'], $request );
$this->assertNull( $response );
}
/**
* The get_rest_url function should return a URL consistently terminated with a "/",
* whether the blog is configured with pretty permalink support or not.
*/
public function test_rest_url_generation() {
// In pretty permalinks case, we expect a path of wp-json/ with no query.
update_option( 'permalink_structure', '/%year%/%monthnum%/%day%/%postname%/' );
$this->assertEquals( 'http://' . WP_TESTS_DOMAIN . '/wp-json/', get_rest_url() );
update_option( 'permalink_structure', '' );
// In non-pretty case, we get a query string to invoke the rest router.
$this->assertEquals( 'http://' . WP_TESTS_DOMAIN . '/?rest_route=/', get_rest_url() );
}
}

View File

@ -0,0 +1,394 @@
<?php
/**
* Unit tests covering WP_REST_Request functionality.
*
* @package WordPress
* @subpackage REST API
*/
/**
* @group restapi
*/
class Tests_REST_Request extends WP_UnitTestCase {
public function setUp() {
$this->request = new WP_REST_Request();
}
public function test_header() {
$value = 'application/x-wp-example';
$this->request->set_header( 'Content-Type', $value );
$this->assertEquals( $value, $this->request->get_header( 'Content-Type' ) );
}
public function test_header_missing() {
$this->assertNull( $this->request->get_header( 'missing' ) );
$this->assertNull( $this->request->get_header_as_array( 'missing' ) );
}
public function test_header_multiple() {
$value1 = 'application/x-wp-example-1';
$value2 = 'application/x-wp-example-2';
$this->request->add_header( 'Accept', $value1 );
$this->request->add_header( 'Accept', $value2 );
$this->assertEquals( $value1 . ',' . $value2, $this->request->get_header( 'Accept' ) );
$this->assertEquals( array( $value1, $value2 ), $this->request->get_header_as_array( 'Accept' ) );
}
public static function header_provider() {
return array(
array( 'Test', 'test' ),
array( 'TEST', 'test' ),
array( 'Test-Header', 'test_header' ),
array( 'test-header', 'test_header' ),
array( 'Test_Header', 'test_header' ),
array( 'test_header', 'test_header' ),
);
}
/**
* @dataProvider header_provider
* @param string $original Original header key.
* @param string $expected Expected canonicalized version.
*/
public function test_header_canonicalization( $original, $expected ) {
$this->assertEquals( $expected, $this->request->canonicalize_header_name( $original ) );
}
public static function content_type_provider() {
return array(
// Check basic parsing.
array( 'application/x-wp-example', 'application/x-wp-example', 'application', 'x-wp-example', '' ),
array( 'application/x-wp-example; charset=utf-8', 'application/x-wp-example', 'application', 'x-wp-example', 'charset=utf-8' ),
// Check case insensitivity.
array( 'APPLICATION/x-WP-Example', 'application/x-wp-example', 'application', 'x-wp-example', '' ),
);
}
/**
* @dataProvider content_type_provider
*
* @param string $header Header value.
* @param string $value Full type value.
* @param string $type Main type (application, text, etc).
* @param string $subtype Subtype (json, etc).
* @param string $parameters Parameters (charset=utf-8, etc).
*/
public function test_content_type_parsing( $header, $value, $type, $subtype, $parameters ) {
// Check we start with nothing.
$this->assertEmpty( $this->request->get_content_type() );
$this->request->set_header( 'Content-Type', $header );
$parsed = $this->request->get_content_type();
$this->assertEquals( $value, $parsed['value'] );
$this->assertEquals( $type, $parsed['type'] );
$this->assertEquals( $subtype, $parsed['subtype'] );
$this->assertEquals( $parameters, $parsed['parameters'] );
}
protected function request_with_parameters() {
$this->request->set_url_params( array(
'source' => 'url',
'has_url_params' => true,
) );
$this->request->set_query_params( array(
'source' => 'query',
'has_query_params' => true,
) );
$this->request->set_body_params( array(
'source' => 'body',
'has_body_params' => true,
) );
$json_data = wp_json_encode( array(
'source' => 'json',
'has_json_params' => true,
) );
$this->request->set_body( $json_data );
$this->request->set_default_params( array(
'source' => 'defaults',
'has_default_params' => true,
) );
}
public function test_parameter_order() {
$this->request_with_parameters();
$this->request->set_method( 'GET' );
// Check that query takes precedence.
$this->assertEquals( 'query', $this->request->get_param( 'source' ) );
// Check that the correct arguments are parsed (and that falling through
// the stack works).
$this->assertTrue( $this->request->get_param( 'has_url_params' ) );
$this->assertTrue( $this->request->get_param( 'has_query_params' ) );
$this->assertTrue( $this->request->get_param( 'has_default_params' ) );
// POST and JSON parameters shouldn't be parsed.
$this->assertEmpty( $this->request->get_param( 'has_body_params' ) );
$this->assertEmpty( $this->request->get_param( 'has_json_params' ) );
}
public function test_parameter_order_post() {
$this->request_with_parameters();
$this->request->set_method( 'POST' );
$this->request->set_header( 'Content-Type', 'application/x-www-form-urlencoded' );
$this->request->set_attributes( array( 'accept_json' => true ) );
// Check that POST takes precedence.
$this->assertEquals( 'body', $this->request->get_param( 'source' ) );
// Check that the correct arguments are parsed (and that falling through
// the stack works).
$this->assertTrue( $this->request->get_param( 'has_url_params' ) );
$this->assertTrue( $this->request->get_param( 'has_query_params' ) );
$this->assertTrue( $this->request->get_param( 'has_body_params' ) );
$this->assertTrue( $this->request->get_param( 'has_default_params' ) );
// JSON shouldn't be parsed.
$this->assertEmpty( $this->request->get_param( 'has_json_params' ) );
}
public function test_parameter_order_json() {
$this->request_with_parameters();
$this->request->set_method( 'POST' );
$this->request->set_header( 'Content-Type', 'application/json' );
$this->request->set_attributes( array( 'accept_json' => true ) );
// Check that JSON takes precedence.
$this->assertEquals( 'json', $this->request->get_param( 'source' ) );
// Check that the correct arguments are parsed (and that falling through
// the stack works).
$this->assertTrue( $this->request->get_param( 'has_url_params' ) );
$this->assertTrue( $this->request->get_param( 'has_query_params' ) );
$this->assertTrue( $this->request->get_param( 'has_body_params' ) );
$this->assertTrue( $this->request->get_param( 'has_json_params' ) );
$this->assertTrue( $this->request->get_param( 'has_default_params' ) );
}
public function test_parameter_order_json_invalid() {
$this->request_with_parameters();
$this->request->set_method( 'POST' );
$this->request->set_header( 'Content-Type', 'application/json' );
$this->request->set_attributes( array( 'accept_json' => true ) );
// Use invalid JSON data.
$this->request->set_body( '{ this is not json }' );
// Check that JSON is ignored.
$this->assertEquals( 'body', $this->request->get_param( 'source' ) );
// Check that the correct arguments are parsed (and that falling through
// the stack works).
$this->assertTrue( $this->request->get_param( 'has_url_params' ) );
$this->assertTrue( $this->request->get_param( 'has_query_params' ) );
$this->assertTrue( $this->request->get_param( 'has_body_params' ) );
$this->assertTrue( $this->request->get_param( 'has_default_params' ) );
// JSON should be ignored.
$this->assertEmpty( $this->request->get_param( 'has_json_params' ) );
}
/**
* PUT requests don't get $_POST automatically parsed, so ensure that
* WP_REST_Request does it for us.
*/
public function test_parameters_for_put() {
$data = array(
'foo' => 'bar',
'alot' => array(
'of' => 'parameters',
),
'list' => array(
'of',
'cool',
'stuff',
),
);
$this->request->set_method( 'PUT' );
$this->request->set_body_params( array() );
$this->request->set_body( http_build_query( $data ) );
foreach ( $data as $key => $expected_value ) {
$this->assertEquals( $expected_value, $this->request->get_param( $key ) );
}
}
public function test_parameters_for_json_put() {
$data = array(
'foo' => 'bar',
'alot' => array(
'of' => 'parameters',
),
'list' => array(
'of',
'cool',
'stuff',
),
);
$this->request->set_method( 'PUT' );
$this->request->add_header( 'content-type', 'application/json' );
$this->request->set_body( wp_json_encode( $data ) );
foreach ( $data as $key => $expected_value ) {
$this->assertEquals( $expected_value, $this->request->get_param( $key ) );
}
}
public function test_parameters_for_json_post() {
$data = array(
'foo' => 'bar',
'alot' => array(
'of' => 'parameters',
),
'list' => array(
'of',
'cool',
'stuff',
),
);
$this->request->set_method( 'POST' );
$this->request->add_header( 'content-type', 'application/json' );
$this->request->set_body( wp_json_encode( $data ) );
foreach ( $data as $key => $expected_value ) {
$this->assertEquals( $expected_value, $this->request->get_param( $key ) );
}
}
public function test_parameter_merging() {
$this->request_with_parameters();
$this->request->set_method( 'POST' );
$expected = array(
'source' => 'body',
'has_url_params' => true,
'has_query_params' => true,
'has_body_params' => true,
'has_default_params' => true,
);
$this->assertEquals( $expected, $this->request->get_params() );
}
public function test_sanitize_params() {
$this->request->set_url_params( array(
'someinteger' => '123',
'somestring' => 'hello',
));
$this->request->set_attributes( array(
'args' => array(
'someinteger' => array(
'sanitize_callback' => 'absint',
),
'somestring' => array(
'sanitize_callback' => 'absint',
),
),
) );
$this->request->sanitize_params();
$this->assertEquals( 123, $this->request->get_param( 'someinteger' ) );
$this->assertEquals( 0, $this->request->get_param( 'somestring' ) );
}
public function test_has_valid_params_required_flag() {
$this->request->set_attributes( array(
'args' => array(
'someinteger' => array(
'required' => true,
),
),
) );
$valid = $this->request->has_valid_params();
$this->assertWPError( $valid );
$this->assertEquals( 'rest_missing_callback_param', $valid->get_error_code() );
}
public function test_has_valid_params_required_flag_multiple() {
$this->request->set_attributes( array(
'args' => array(
'someinteger' => array(
'required' => true,
),
'someotherinteger' => array(
'required' => true,
),
),
));
$valid = $this->request->has_valid_params();
$this->assertWPError( $valid );
$this->assertEquals( 'rest_missing_callback_param', $valid->get_error_code() );
$data = $valid->get_error_data( 'rest_missing_callback_param' );
$this->assertTrue( in_array( 'someinteger', $data['params'] ) );
$this->assertTrue( in_array( 'someotherinteger', $data['params'] ) );
}
public function test_has_valid_params_validate_callback() {
$this->request->set_url_params( array(
'someinteger' => '123',
));
$this->request->set_attributes( array(
'args' => array(
'someinteger' => array(
'validate_callback' => '__return_false',
),
),
));
$valid = $this->request->has_valid_params();
$this->assertWPError( $valid );
$this->assertEquals( 'rest_invalid_param', $valid->get_error_code() );
}
public function test_has_multiple_invalid_params_validate_callback() {
$this->request->set_url_params( array(
'someinteger' => '123',
'someotherinteger' => '123',
));
$this->request->set_attributes( array(
'args' => array(
'someinteger' => array(
'validate_callback' => '__return_false',
),
'someotherinteger' => array(
'validate_callback' => '__return_false',
),
),
));
$valid = $this->request->has_valid_params();
$this->assertWPError( $valid );
$this->assertEquals( 'rest_invalid_param', $valid->get_error_code() );
$data = $valid->get_error_data( 'rest_invalid_param' );
$this->assertArrayHasKey( 'someinteger', $data['params'] );
$this->assertArrayHasKey( 'someotherinteger', $data['params'] );
}
}

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@ -0,0 +1,582 @@
<?php
/**
* Unit tests covering WP_REST_Server functionality.
*
* @package WordPress
* @subpackage REST API
*/
/**
* @group restapi
*/
class Tests_REST_Server extends WP_Test_REST_TestCase {
public function setUp() {
parent::setUp();
/** @var WP_REST_Server $wp_rest_server */
global $wp_rest_server;
$this->server = $wp_rest_server = new Spy_REST_Server();
do_action( 'rest_api_init', $this->server );
}
public function test_envelope() {
$data = array(
'amount of arbitrary data' => 'alot',
);
$status = 987;
$headers = array(
'Arbitrary-Header' => 'value',
'Multiple' => 'maybe, yes',
);
$response = new WP_REST_Response( $data, $status );
$response->header( 'Arbitrary-Header', 'value' );
// Check header concatenation as well.
$response->header( 'Multiple', 'maybe' );
$response->header( 'Multiple', 'yes', false );
$envelope_response = $this->server->envelope_response( $response, false );
// The envelope should still be a response, but with defaults.
$this->assertInstanceOf( 'WP_REST_Response', $envelope_response );
$this->assertEquals( 200, $envelope_response->get_status() );
$this->assertEmpty( $envelope_response->get_headers() );
$this->assertEmpty( $envelope_response->get_links() );
$enveloped = $envelope_response->get_data();
$this->assertEquals( $data, $enveloped['body'] );
$this->assertEquals( $status, $enveloped['status'] );
$this->assertEquals( $headers, $enveloped['headers'] );
}
public function test_default_param() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'args' => array(
'foo' => array(
'default' => 'bar',
),
),
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test' );
$response = $this->server->dispatch( $request );
$this->assertEquals( 'bar', $request['foo'] );
}
public function test_default_param_is_overridden() {
register_rest_route( 'test-ns', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'args' => array(
'foo' => array(
'default' => 'bar',
),
),
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test' );
$request->set_query_params( array( 'foo' => 123 ) );
$response = $this->server->dispatch( $request );
$this->assertEquals( '123', $request['foo'] );
}
public function test_optional_param() {
register_rest_route( 'optional', '/test', array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'args' => array(
'foo' => array(),
),
) );
$request = new WP_REST_Request( 'GET', '/optional/test' );
$request->set_query_params( array() );
$response = $this->server->dispatch( $request );
$this->assertInstanceOf( 'WP_REST_Response', $response );
$this->assertEquals( 200, $response->get_status() );
$this->assertArrayNotHasKey( 'foo', (array) $request );
}
/**
* Pass a capability which the user does not have, this should
* result in a 403 error.
*/
function test_rest_route_capability_authorization_fails() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
'should_exist' => false,
'permission_callback' => array( $this, 'permission_denied' ),
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test', array() );
$result = $this->server->dispatch( $request );
$this->assertEquals( 403, $result->get_status() );
}
/**
* An editor should be able to get access to an route with the
* edit_posts capability.
*/
function test_rest_route_capability_authorization() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
'should_exist' => false,
'permission_callback' => '__return_true',
) );
$editor = $this->factory->user->create( array( 'role' => 'editor' ) );
$request = new WP_REST_Request( 'GET', '/test-ns/test', array() );
wp_set_current_user( $editor );
$result = $this->server->dispatch( $request );
$this->assertEquals( 200, $result->get_status() );
}
/**
* An "Allow" HTTP header should be sent with a request
* for all available methods on that route.
*/
function test_allow_header_sent() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
'should_exist' => false,
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test', array() );
$result = $this->server->dispatch( $request );
$result = apply_filters( 'rest_post_dispatch', $result, $this->server, $request );
$this->assertFalse( $result->get_status() !== 200 );
$sent_headers = $result->get_headers();
$this->assertEquals( $sent_headers['Allow'], 'GET' );
}
/**
* The "Allow" HTTP header should include all available
* methods that can be sent to a route.
*/
function test_allow_header_sent_with_multiple_methods() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
'should_exist' => false,
) );
register_rest_route( 'test-ns', '/test', array(
'methods' => 'POST',
'callback' => '__return_null',
'should_exist' => false,
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test', array() );
$result = $this->server->dispatch( $request );
$this->assertFalse( $result->get_status() !== 200 );
$result = apply_filters( 'rest_post_dispatch', $result, $this->server, $request );
$sent_headers = $result->get_headers();
$this->assertEquals( $sent_headers['Allow'], 'GET, POST' );
}
/**
* The "Allow" HTTP header should NOT include other methods
* which the user does not have access to.
*/
function test_allow_header_send_only_permitted_methods() {
register_rest_route( 'test-ns', '/test', array(
'methods' => 'GET',
'callback' => '__return_null',
'should_exist' => false,
'permission_callback' => array( $this, 'permission_denied' ),
) );
register_rest_route( 'test-ns', '/test', array(
'methods' => 'POST',
'callback' => '__return_null',
'should_exist' => false,
) );
$request = new WP_REST_Request( 'GET', '/test-ns/test', array() );
$result = $this->server->dispatch( $request );
$result = apply_filters( 'rest_post_dispatch', $result, $this->server, $request );
$this->assertEquals( $result->get_status(), 403 );
$sent_headers = $result->get_headers();
$this->assertEquals( $sent_headers['Allow'], 'POST' );
}
public function permission_denied() {
return new WP_Error( 'forbidden', 'You are not allowed to do this', array( 'status' => 403 ) );
}
public function test_error_to_response() {
$code = 'wp-api-test-error';
$message = 'Test error message for the API';
$error = new WP_Error( $code, $message );
$response = $this->server->error_to_response( $error );
$this->assertInstanceOf( 'WP_REST_Response', $response );
// Make sure we default to a 500 error.
$this->assertEquals( 500, $response->get_status() );
$data = $response->get_data();
$this->assertCount( 1, $data );
$this->assertEquals( $code, $data[0]['code'] );
$this->assertEquals( $message, $data[0]['message'] );
}
public function test_error_to_response_with_status() {
$code = 'wp-api-test-error';
$message = 'Test error message for the API';
$error = new WP_Error( $code, $message, array( 'status' => 400 ) );
$response = $this->server->error_to_response( $error );
$this->assertInstanceOf( 'WP_REST_Response', $response );
$this->assertEquals( 400, $response->get_status() );
$data = $response->get_data();
$this->assertCount( 1, $data );
$this->assertEquals( $code, $data[0]['code'] );
$this->assertEquals( $message, $data[0]['message'] );
}
public function test_rest_error() {
$data = array(
array(
'code' => 'wp-api-test-error',
'message' => 'Message text',
),
);
$expected = wp_json_encode( $data );
$response = $this->server->json_error( 'wp-api-test-error', 'Message text' );
$this->assertEquals( $expected, $response );
}
public function test_json_error_with_status() {
$stub = $this->getMockBuilder( 'Spy_REST_Server' )
->setMethods( array( 'set_status' ) )
->getMock();
$stub->expects( $this->once() )
->method( 'set_status' )
->with( $this->equalTo( 400 ) );
$data = array(
array(
'code' => 'wp-api-test-error',
'message' => 'Message text',
),
);
$expected = wp_json_encode( $data );
$response = $stub->json_error( 'wp-api-test-error', 'Message text', 400 );
$this->assertEquals( $expected, $response );
}
public function test_response_to_data_links() {
$response = new WP_REST_Response();
$response->add_link( 'self', 'http://example.com/' );
$response->add_link( 'alternate', 'http://example.org/', array( 'type' => 'application/xml' ) );
$data = $this->server->response_to_data( $response, false );
$this->assertArrayHasKey( '_links', $data );
$self = array(
'href' => 'http://example.com/',
);
$this->assertEquals( $self, $data['_links']['self'][0] );
$alternate = array(
'href' => 'http://example.org/',
'type' => 'application/xml',
);
$this->assertEquals( $alternate, $data['_links']['alternate'][0] );
}
public function test_link_embedding() {
// Register our testing route.
$this->server->register_route( 'test', '/test/embeddable', array(
'methods' => 'GET',
'callback' => array( $this, 'embedded_response_callback' ),
) );
$response = new WP_REST_Response();
// External links should be ignored.
$response->add_link( 'alternate', 'http://not-api.example.com/', array( 'embeddable' => true ) );
// All others should be embedded.
$response->add_link( 'alternate', rest_url( '/test/embeddable' ), array( 'embeddable' => true ) );
$data = $this->server->response_to_data( $response, true );
$this->assertArrayHasKey( '_embedded', $data );
$alternate = $data['_embedded']['alternate'];
$this->assertCount( 2, $alternate );
$this->assertEmpty( $alternate[0] );
$this->assertInternalType( 'array', $alternate[1] );
$this->assertArrayNotHasKey( 'code', $alternate[1] );
$this->assertTrue( $alternate[1]['hello'] );
// Ensure the context is set to embed when requesting.
$this->assertEquals( 'embed', $alternate[1]['parameters']['context'] );
}
/**
* @depends test_link_embedding
*/
public function test_link_embedding_self() {
// Register our testing route.
$this->server->register_route( 'test', '/test/embeddable', array(
'methods' => 'GET',
'callback' => array( $this, 'embedded_response_callback' ),
) );
$response = new WP_REST_Response();
// 'self' should be ignored.
$response->add_link( 'self', rest_url( '/test/notembeddable' ), array( 'embeddable' => true ) );
$data = $this->server->response_to_data( $response, true );
$this->assertArrayNotHasKey( '_embedded', $data );
}
/**
* @depends test_link_embedding
*/
public function test_link_embedding_params() {
// Register our testing route.
$this->server->register_route( 'test', '/test/embeddable', array(
'methods' => 'GET',
'callback' => array( $this, 'embedded_response_callback' ),
) );
$response = new WP_REST_Response();
$response->add_link( 'alternate', rest_url( '/test/embeddable?parsed_params=yes' ), array( 'embeddable' => true ) );
$data = $this->server->response_to_data( $response, true );
$this->assertArrayHasKey( '_embedded', $data );
$this->assertArrayHasKey( 'alternate', $data['_embedded'] );
$data = $data['_embedded']['alternate'][0];
$this->assertEquals( 'yes', $data['parameters']['parsed_params'] );
}
/**
* @depends test_link_embedding_params
*/
public function test_link_embedding_error() {
// Register our testing route.
$this->server->register_route( 'test', '/test/embeddable', array(
'methods' => 'GET',
'callback' => array( $this, 'embedded_response_callback' ),
) );
$response = new WP_REST_Response();
$response->add_link( 'up', rest_url( '/test/embeddable?error=1' ), array( 'embeddable' => true ) );
$data = $this->server->response_to_data( $response, true );
$this->assertArrayHasKey( '_embedded', $data );
$this->assertArrayHasKey( 'up', $data['_embedded'] );
// Check that errors are embedded correctly.
$up = $data['_embedded']['up'];
$this->assertCount( 1, $up );
$up_data = $up[0];
$this->assertEquals( 'wp-api-test-error', $up_data[0]['code'] );
$this->assertEquals( 'Test message', $up_data[0]['message'] );
$this->assertEquals( 403, $up_data[0]['data']['status'] );
}
/**
* Ensure embedding is a no-op without links in the data.
*/
public function test_link_embedding_without_links() {
$data = array(
'untouched' => 'data',
);
$result = $this->server->embed_links( $data );
$this->assertArrayNotHasKey( '_links', $data );
$this->assertArrayNotHasKey( '_embedded', $data );
$this->assertEquals( 'data', $data['untouched'] );
}
public function embedded_response_callback( $request ) {
$params = $request->get_params();
if ( isset( $params['error'] ) ) {
return new WP_Error( 'wp-api-test-error', 'Test message', array( 'status' => 403 ) );
}
$data = array(
'hello' => true,
'parameters' => $params,
);
return $data;
}
public function test_removing_links() {
$response = new WP_REST_Response();
$response->add_link( 'self', 'http://example.com/' );
$response->add_link( 'alternate', 'http://example.org/', array( 'type' => 'application/xml' ) );
$response->remove_link( 'self' );
$data = $this->server->response_to_data( $response, false );
$this->assertArrayHasKey( '_links', $data );
$this->assertArrayNotHasKey( 'self', $data['_links'] );
$alternate = array(
'href' => 'http://example.org/',
'type' => 'application/xml',
);
$this->assertEquals( $alternate, $data['_links']['alternate'][0] );
}
public function test_removing_links_for_href() {
$response = new WP_REST_Response();
$response->add_link( 'self', 'http://example.com/' );
$response->add_link( 'self', 'https://example.com/' );
$response->remove_link( 'self', 'https://example.com/' );
$data = $this->server->response_to_data( $response, false );
$this->assertArrayHasKey( '_links', $data );
$this->assertArrayHasKey( 'self', $data['_links'] );
$self_not_filtered = array(
'href' => 'http://example.com/',
);
$this->assertEquals( $self_not_filtered, $data['_links']['self'][0] );
}
public function test_get_index() {
$server = new WP_REST_Server();
$server->register_route( 'test/example', '/test/example/some-route', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => '__return_true',
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => '__return_true',
),
) );
$request = new WP_REST_Request( 'GET', '/' );
$index = $server->dispatch( $request );
$data = $index->get_data();
$this->assertArrayHasKey( 'name', $data );
$this->assertArrayHasKey( 'description', $data );
$this->assertArrayHasKey( 'url', $data );
$this->assertArrayHasKey( 'namespaces', $data );
$this->assertArrayHasKey( 'authentication', $data );
$this->assertArrayHasKey( 'routes', $data );
// Check namespace data.
$this->assertContains( 'test/example', $data['namespaces'] );
// Check the route.
$this->assertArrayHasKey( '/test/example/some-route', $data['routes'] );
$route = $data['routes']['/test/example/some-route'];
$this->assertEquals( 'test/example', $route['namespace'] );
$this->assertArrayHasKey( 'methods', $route );
$this->assertContains( 'GET', $route['methods'] );
$this->assertContains( 'DELETE', $route['methods'] );
$this->assertArrayHasKey( '_links', $route );
}
public function test_get_namespace_index() {
$server = new WP_REST_Server();
$server->register_route( 'test/example', '/test/example/some-route', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => '__return_true',
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => '__return_true',
),
) );
$server->register_route( 'test/another', '/test/another/route', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => '__return_false',
),
) );
$request = new WP_REST_Request();
$request->set_param( 'namespace', 'test/example' );
$index = rest_ensure_response( $server->get_namespace_index( $request ) );
$data = $index->get_data();
// Check top-level.
$this->assertEquals( 'test/example', $data['namespace'] );
$this->assertArrayHasKey( 'routes', $data );
// Check we have the route we expect...
$this->assertArrayHasKey( '/test/example/some-route', $data['routes'] );
// ...and none we don't.
$this->assertArrayNotHasKey( '/test/another/route', $data['routes'] );
}
public function test_get_namespaces() {
$server = new WP_REST_Server();
$server->register_route( 'test/example', '/test/example/some-route', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => '__return_true',
),
) );
$server->register_route( 'test/another', '/test/another/route', array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => '__return_false',
),
) );
$namespaces = $server->get_namespaces();
$this->assertContains( 'test/example', $namespaces );
$this->assertContains( 'test/another', $namespaces );
}
}