Hacked By AnonymousFox
<?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.
*
* Note: When using features provided by ArrayAccess, be aware that WordPress deliberately
* does not distinguish between arguments of the same name for different request methods.
* For instance, in a request with `GET id=1` and `POST id=2`, `$request['id']` will equal
* 2 (`POST`) not 1 (`GET`). For more precision between request methods, use
* WP_REST_Request::get_body_params(), WP_REST_Request::get_url_params(), etc.
*
* @since 4.4.0
*
* @see ArrayAccess
*/
class WP_REST_Request implements ArrayAccess {
/**
* HTTP method.
*
* @since 4.4.0
* @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
* @var array Contains GET, POST and FILES keys mapping to arrays of data.
*/
protected $params;
/**
* HTTP headers for the request.
*
* @since 4.4.0
* @var array Map of key to value. Key is always lowercase, as per HTTP specification.
*/
protected $headers = array();
/**
* Body data.
*
* @since 4.4.0
* @var string Binary data from the request.
*/
protected $body = null;
/**
* Route matched for the request.
*
* @since 4.4.0
* @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
* @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
* @var bool
*/
protected $parsed_json = false;
/**
* Used to determine if the body data has been parsed yet.
*
* @since 4.4.0
* @var bool
*/
protected $parsed_body = false;
/**
* Constructor.
*
* @since 4.4.0
*
* @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
*
* @return string HTTP method.
*/
public function get_method() {
return $this->method;
}
/**
* Sets HTTP method for the request.
*
* @since 4.4.0
*
* @param string $method HTTP method.
*/
public function set_method( $method ) {
$this->method = strtoupper( $method );
}
/**
* Retrieves all headers from the request.
*
* @since 4.4.0
*
* @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 https://stackoverflow.com/q/18185366
* @link https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/#missing-disappearing-http-headers
* @link https://nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers
*
* @since 4.4.0
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @param string $key Header name.
*/
public function remove_header( $key ) {
$key = $this->canonicalize_header_name( $key );
unset( $this->headers[ $key ] );
}
/**
* Sets headers on the request.
*
* @since 4.4.0
*
* @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
*
* @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
*
* @return array List of types to check, in order of priority.
*/
protected function get_parameter_order() {
$order = array();
$content_type = $this->get_content_type();
if ( $content_type['value'] === 'application/json' ) {
$order[] = 'JSON';
}
$this->parse_json_params();
// Ensure we parse the body data.
$body = $this->get_body();
if ( 'POST' !== $this->method && ! empty( $body ) ) {
$this->parse_body_params();
}
$accepts_body_data = array( 'POST', 'PUT', 'PATCH', 'DELETE' );
if ( in_array( $this->method, $accepts_body_data ) ) {
$order[] = 'POST';
}
$order[] = 'GET';
$order[] = 'URL';
$order[] = 'defaults';
/**
* Filters 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
*
* @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
*
* @param string $key Parameter name.
* @param mixed $value Parameter value.
*/
public function set_param( $key, $value ) {
$order = $this->get_parameter_order();
$this->params[ $order[0] ][ $key ] = $value;
}
/**
* 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
*
* @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 ) {
// array_merge / the "+" operator will mess up
// numeric keys, so instead do a manual foreach.
foreach ( (array) $this->params[ $type ] as $key => $value ) {
$params[ $key ] = $value;
}
}
return $params;
}
/**
* Retrieves parameters from the route itself.
*
* These are parsed from the URL using the regex.
*
* @since 4.4.0
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @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
*
* @return string Binary data from the request body.
*/
public function get_body() {
return $this->body;
}
/**
* Sets body content.
*
* @since 4.4.0
*
* @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
*
* @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
* @since 4.7.0 Returns error instance if value cannot be decoded.
* @return true|WP_Error True if the JSON data was passed or no JSON data was provided, WP_Error if invalid JSON was passed.
*/
protected function parse_json_params() {
if ( $this->parsed_json ) {
return true;
}
$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 true;
}
$body = $this->get_body();
if ( empty( $body ) ) {
return true;
}
$params = json_decode( $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() ) ) {
// Ensure subsequent calls receive error instance.
$this->parsed_json = false;
$error_data = array(
'status' => WP_Http::BAD_REQUEST,
);
if ( function_exists( 'json_last_error' ) ) {
$error_data['json_error_code'] = json_last_error();
$error_data['json_error_message'] = json_last_error_msg();
}
return new WP_Error( 'rest_invalid_json', __( 'Invalid JSON body passed.' ), $error_data );
}
$this->params['JSON'] = $params;
return true;
}
/**
* 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
*/
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
*
* @return string Route matching regex.
*/
public function get_route() {
return $this->route;
}
/**
* Sets the route that matched the request.
*
* @since 4.4.0
*
* @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
*
* @return array Attributes for the request.
*/
public function get_attributes() {
return $this->attributes;
}
/**
* Sets the attributes for the request.
*
* @since 4.4.0
*
* @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
*
* @return true|WP_Error True if parameters were sanitized, WP_Error if an error occurred during sanitization.
*/
public function sanitize_params() {
$attributes = $this->get_attributes();
// No arguments set, skip sanitizing.
if ( empty( $attributes['args'] ) ) {
return true;
}
$order = $this->get_parameter_order();
$invalid_params = array();
foreach ( $order as $type ) {
if ( empty( $this->params[ $type ] ) ) {
continue;
}
foreach ( $this->params[ $type ] as $key => $value ) {
if ( ! isset( $attributes['args'][ $key ] ) ) {
continue;
}
$param_args = $attributes['args'][ $key ];
// If the arg has a type but no sanitize_callback attribute, default to rest_parse_request_arg.
if ( ! array_key_exists( 'sanitize_callback', $param_args ) && ! empty( $param_args['type'] ) ) {
$param_args['sanitize_callback'] = 'rest_parse_request_arg';
}
// If there's still no sanitize_callback, nothing to do here.
if ( empty( $param_args['sanitize_callback'] ) ) {
continue;
}
$sanitized_value = call_user_func( $param_args['sanitize_callback'], $value, $this, $key );
if ( is_wp_error( $sanitized_value ) ) {
$invalid_params[ $key ] = $sanitized_value->get_error_message();
} else {
$this->params[ $type ][ $key ] = $sanitized_value;
}
}
}
if ( $invalid_params ) {
return new WP_Error( 'rest_invalid_param', sprintf( __( 'Invalid parameter(s): %s' ), implode( ', ', array_keys( $invalid_params ) ) ), array( 'status' => 400, 'params' => $invalid_params ) );
}
return true;
}
/**
* Checks whether this request is valid according to its attributes.
*
* @since 4.4.0
*
* @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() {
// If JSON data was passed, check for errors.
$json_error = $this->parse_json_params();
if ( is_wp_error( $json_error ) ) {
return $json_error;
}
$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 parameter.' );
}
if ( is_wp_error( $valid_check ) ) {
$invalid_params[ $key ] = $valid_check->get_error_message();
}
}
}
if ( $invalid_params ) {
return new WP_Error( 'rest_invalid_param', sprintf( __( 'Invalid parameter(s): %s' ), implode( ', ', array_keys( $invalid_params ) ) ), array( 'status' => 400, 'params' => $invalid_params ) );
}
return true;
}
/**
* Checks if a parameter is set.
*
* @since 4.4.0
*
* @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
*
* @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
*
* @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
*
* @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 ] );
}
}
/**
* Retrieves a WP_REST_Request object from a full URL.
*
* @static
* @since 4.5.0
*
* @param string $url URL with protocol, domain, path and query args.
* @return WP_REST_Request|false WP_REST_Request object on success, false on failure.
*/
public static function from_url( $url ) {
$bits = parse_url( $url );
$query_params = array();
if ( ! empty( $bits['query'] ) ) {
wp_parse_str( $bits['query'], $query_params );
}
$api_root = rest_url();
if ( get_option( 'permalink_structure' ) && 0 === strpos( $url, $api_root ) ) {
// Pretty permalinks on, and URL is under the API root.
$api_url_part = substr( $url, strlen( untrailingslashit( $api_root ) ) );
$route = parse_url( $api_url_part, PHP_URL_PATH );
} elseif ( ! empty( $query_params['rest_route'] ) ) {
// ?rest_route=... set directly
$route = $query_params['rest_route'];
unset( $query_params['rest_route'] );
}
$request = false;
if ( ! empty( $route ) ) {
$request = new WP_REST_Request( 'GET', $route );
$request->set_query_params( $query_params );
}
/**
* Filters the request generated from a URL.
*
* @since 4.5.0
*
* @param WP_REST_Request|false $request Generated request object, or false if URL
* could not be parsed.
* @param string $url URL the request was generated from.
*/
return apply_filters( 'rest_request_from_url', $request, $url );
}
}
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