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/
http/
natalyphoto.ru/
wp-includes/
- drwxr-xr-x
|
Viewing file:  http.php (8.48 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
/**
* Simple and uniform HTTP request API.
*
* Will eventually replace and standardize the WordPress HTTP requests made.
*
* @link http://trac.wordpress.org/ticket/4779 HTTP API Proposal
*
* @package WordPress
* @subpackage HTTP
* @since 2.7.0
*/
/**
* Returns the initialized WP_Http Object
*
* @since 2.7.0
* @access private
*
* @return WP_Http HTTP Transport object.
*/
function _wp_http_get_object() {
static $http;
if ( is_null($http) )
$http = new WP_Http();
return $http;
}
/**
* Retrieve the raw response from the HTTP request.
*
* The array structure is a little complex.
*
* <code>
* $res = array( 'headers' => array(), 'response' => array('code' => int, 'message' => string) );
* </code>
*
* All of the headers in $res['headers'] are with the name as the key and the
* value as the value. So to get the User-Agent, you would do the following.
*
* <code>
* $user_agent = $res['headers']['user-agent'];
* </code>
*
* The body is the raw response content and can be retrieved from $res['body'].
*
* This function is called first to make the request and there are other API
* functions to abstract out the above convoluted setup.
*
* @since 2.7.0
*
* @param string $url Site URL to retrieve.
* @param array $args Optional. Override the defaults.
* @return WP_Error|array The response or WP_Error on failure.
*/
function wp_remote_request($url, $args = array()) {
$objFetchSite = _wp_http_get_object();
return $objFetchSite->request($url, $args);
}
/**
* Retrieve the raw response from the HTTP request using the GET method.
*
* @see wp_remote_request() For more information on the response array format.
*
* @since 2.7.0
*
* @param string $url Site URL to retrieve.
* @param array $args Optional. Override the defaults.
* @return WP_Error|array The response or WP_Error on failure.
*/
function wp_remote_get($url, $args = array()) {
$objFetchSite = _wp_http_get_object();
return $objFetchSite->get($url, $args);
}
/**
* Retrieve the raw response from the HTTP request using the POST method.
*
* @see wp_remote_request() For more information on the response array format.
*
* @since 2.7.0
*
* @param string $url Site URL to retrieve.
* @param array $args Optional. Override the defaults.
* @return WP_Error|array The response or WP_Error on failure.
*/
function wp_remote_post($url, $args = array()) {
$objFetchSite = _wp_http_get_object();
return $objFetchSite->post($url, $args);
}
/**
* Retrieve the raw response from the HTTP request using the HEAD method.
*
* @see wp_remote_request() For more information on the response array format.
*
* @since 2.7.0
*
* @param string $url Site URL to retrieve.
* @param array $args Optional. Override the defaults.
* @return WP_Error|array The response or WP_Error on failure.
*/
function wp_remote_head($url, $args = array()) {
$objFetchSite = _wp_http_get_object();
return $objFetchSite->head($url, $args);
}
/**
* Retrieve only the headers from the raw response.
*
* @since 2.7.0
*
* @param array $response HTTP response.
* @return array The headers of the response. Empty array if incorrect parameter given.
*/
function wp_remote_retrieve_headers(&$response) {
if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
return array();
return $response['headers'];
}
/**
* Retrieve a single header by name from the raw response.
*
* @since 2.7.0
*
* @param array $response
* @param string $header Header name to retrieve value from.
* @return string The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.
*/
function wp_remote_retrieve_header(&$response, $header) {
if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
return '';
if ( array_key_exists($header, $response['headers']) )
return $response['headers'][$header];
return '';
}
/**
* Retrieve only the response code from the raw response.
*
* Will return an empty array if incorrect parameter value is given.
*
* @since 2.7.0
*
* @param array $response HTTP response.
* @return string the response code. Empty string on incorrect parameter given.
*/
function wp_remote_retrieve_response_code(&$response) {
if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
return '';
return $response['response']['code'];
}
/**
* Retrieve only the response message from the raw response.
*
* Will return an empty array if incorrect parameter value is given.
*
* @since 2.7.0
*
* @param array $response HTTP response.
* @return string The response message. Empty string on incorrect parameter given.
*/
function wp_remote_retrieve_response_message(&$response) {
if ( is_wp_error($response) || ! isset($response['response']) || ! is_array($response['response']))
return '';
return $response['response']['message'];
}
/**
* Retrieve only the body from the raw response.
*
* @since 2.7.0
*
* @param array $response HTTP response.
* @return string The body of the response. Empty string if no body or incorrect parameter given.
*/
function wp_remote_retrieve_body(&$response) {
if ( is_wp_error($response) || ! isset($response['body']) )
return '';
return $response['body'];
}
/**
* Determines if there is an HTTP Transport that can process this request.
*
* @since 3.2.0
*
* @param array $capabilities Array of capabilities to test or a wp_remote_request() $args array.
* @param string $url Optional. If given, will check if the URL requires SSL and adds that requirement to the capabilities array.
*
* @return bool
*/
function wp_http_supports( $capabilities = array(), $url = null ) {
$objFetchSite = _wp_http_get_object();
$capabilities = wp_parse_args( $capabilities );
$count = count( $capabilities );
// If we have a numeric $capabilities array, spoof a wp_remote_request() associative $args array
if ( $count && count( array_filter( array_keys( $capabilities ), 'is_numeric' ) ) == $count ) {
$capabilities = array_combine( array_values( $capabilities ), array_fill( 0, $count, true ) );
}
if ( $url && !isset( $capabilities['ssl'] ) ) {
$scheme = parse_url( $url, PHP_URL_SCHEME );
if ( 'https' == $scheme || 'ssl' == $scheme ) {
$capabilities['ssl'] = true;
}
}
return (bool) $objFetchSite->_get_first_available_transport( $capabilities );
}
/**
* Get the HTTP Origin of the current request.
*
* @since 3.4.0
*
* @return string URL of the origin. Empty string if no origin.
*/
function get_http_origin() {
$origin = '';
if ( ! empty ( $_SERVER[ 'HTTP_ORIGIN' ] ) )
$origin = $_SERVER[ 'HTTP_ORIGIN' ];
return apply_filters( 'http_origin', $origin );
}
/**
* Retrieve list of allowed http origins.
*
* @since 3.4.0
*
* @return array Array of origin URLs.
*/
function get_allowed_http_origins() {
$admin_origin = parse_url( admin_url() );
$home_origin = parse_url( home_url() );
// @todo preserve port?
$allowed_origins = array_unique( array(
'http://' . $admin_origin[ 'host' ],
'https://' . $admin_origin[ 'host' ],
'http://' . $home_origin[ 'host' ],
'https://' . $home_origin[ 'host' ],
) );
return apply_filters( 'allowed_http_origins' , $allowed_origins );
}
/**
* Determines if the http origin is an authorized one.
*
* @since 3.4.0
*
* @param string Origin URL. If not provided, the value of get_http_origin() is used.
* @return bool True if the origin is allowed. False otherwise.
*/
function is_allowed_http_origin( $origin = null ) {
$origin_arg = $origin;
if ( null === $origin )
$origin = get_http_origin();
if ( $origin && ! in_array( $origin, get_allowed_http_origins() ) )
$origin = '';
return apply_filters( 'allowed_http_origin', $origin, $origin_arg );
}
/**
* Send Access-Control-Allow-Origin and related headers if the current request
* is from an allowed origin.
*
* If the request is an OPTIONS request, the script exits with either access
* control headers sent, or a 403 response if the origin is not allowed. For
* other request methods, you will receive a return value.
*
* @since 3.4.0
*
* @return bool|string Returns the origin URL if headers are sent. Returns false
* if headers are not sent.
*/
function send_origin_headers() {
$origin = get_http_origin();
if ( is_allowed_http_origin( $origin ) ) {
@header( 'Access-Control-Allow-Origin: ' . $origin );
@header( 'Access-Control-Allow-Credentials: true' );
if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] )
exit;
return $origin;
}
if ( 'OPTIONS' === $_SERVER['REQUEST_METHOD'] ) {
status_header( 403 );
exit;
}
return false;
}
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