<?php
/**
- * Simple and uniform HTTP request API.
+ * Core HTTP Request API
*
- * Will eventually replace and standardize the WordPress HTTP requests made.
- *
- * @link https://core.trac.wordpress.org/ticket/4779 HTTP API Proposal
+ * Standardizes the HTTP requests for WordPress. Handles cookies, gzip encoding and decoding, chunk
+ * decoding, if HTTP 1.1 and various other difficult HTTP protocol implementations.
*
* @package WordPress
* @subpackage HTTP
- * @since 2.7.0
*/
/**
return $response['body'];
}
+/**
+ * Retrieve only the cookies from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array $response HTTP response.
+ * @return array An array of `WP_Http_Cookie` objects from the response. Empty array if there are none, or the response is a WP_Error.
+ */
+function wp_remote_retrieve_cookies( $response ) {
+ if ( is_wp_error( $response ) || empty( $response['cookies'] ) ) {
+ return array();
+ }
+
+ return $response['cookies'];
+}
+
+/**
+ * Retrieve a single cookie by name from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array $response HTTP response.
+ * @param string $name The name of the cookie to retrieve.
+ * @return WP_Http_Cookie|string The `WP_Http_Cookie` object. Empty string if the cookie isn't present in the response.
+ */
+function wp_remote_retrieve_cookie( $response, $name ) {
+ $cookies = wp_remote_retrieve_cookies( $response );
+
+ if ( empty( $cookies ) ) {
+ return '';
+ }
+
+ foreach ( $cookies as $cookie ) {
+ if ( $cookie->name === $name ) {
+ return $cookie;
+ }
+ }
+
+ return '';
+}
+
+/**
+ * Retrieve a single cookie's value by name from the raw response.
+ *
+ * @since 4.4.0
+ *
+ * @param array $response HTTP response.
+ * @param string $name The name of the cookie to retrieve.
+ * @return string The value of the cookie. Empty string if the cookie isn't present in the response.
+ */
+function wp_remote_retrieve_cookie_value( $response, $name ) {
+ $cookie = wp_remote_retrieve_cookie( $response, $name );
+
+ if ( ! is_a( $cookie, 'WP_Http_Cookie' ) ) {
+ return '';
+ }
+
+ return $cookie->value;
+}
+
/**
* Determines if there is an HTTP Transport that can process this request.
*
* @since 3.4.0
*
* @param null|string $origin Origin URL. If not provided, the value of get_http_origin() is used.
- * @return string True if the origin is allowed. False otherwise.
+ * @return string Origin URL if allowed, empty string if not.
*/
function is_allowed_http_origin( $origin = null ) {
$origin_arg = $origin;
*
* @since 3.4.0
*
- * @param string $origin Result of check for allowed origin.
+ * @param string $origin Origin URL if allowed, empty string if not.
* @param string $origin_arg Original origin string passed into is_allowed_http_origin function.
*/
return apply_filters( 'allowed_http_origin', $origin, $origin_arg );
$parsed_home = @parse_url( get_option( 'home' ) );
- $same_host = strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] );
+ if ( isset( $parsed_home['host'] ) ) {
+ $same_host = ( strtolower( $parsed_home['host'] ) === strtolower( $parsed_url['host'] ) || 'localhost' === strtolower( $parsed_url['host'] ) );
+ } else {
+ $same_host = false;
+ }
if ( ! $same_host ) {
$host = trim( $parsed_url['host'], '.' );
- if ( preg_match( '#^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $host ) ) {
+ if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', $host ) ) {
$ip = $host;
} else {
$ip = gethostbyname( $host );
}
if ( $ip ) {
$parts = array_map( 'intval', explode( '.', $ip ) );
- if ( 127 === $parts[0] || 10 === $parts[0]
+ if ( 127 === $parts[0] || 10 === $parts[0] || 0 === $parts[0]
|| ( 172 === $parts[0] && 16 <= $parts[1] && 31 >= $parts[1] )
|| ( 192 === $parts[0] && 168 === $parts[1] )
) {
*
* @since 3.6.0
*
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
* @staticvar array $queried
*
* @param bool $is_external
$queried[ $host ] = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT domain FROM $wpdb->blogs WHERE domain = %s LIMIT 1", $host ) );
return $queried[ $host ];
}
+
+/**
+ * A wrapper for PHP's parse_url() function that handles edgecases in < PHP 5.4.7
+ *
+ * PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including
+ * schemeless and relative url's with :// in the path, this works around those
+ * limitations providing a standard output on PHP 5.2~5.4+.
+ *
+ * Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated
+ * when URL parsing failed.
+ *
+ * @since 4.4.0
+ *
+ * @param string $url The URL to parse.
+ * @return bool|array False on failure; Array of URL components on success;
+ * See parse_url()'s return values.
+ */
+function wp_parse_url( $url ) {
+ $parts = @parse_url( $url );
+ if ( ! $parts ) {
+ // < PHP 5.4.7 compat, trouble with relative paths including a scheme break in the path
+ if ( '/' == $url[0] && false !== strpos( $url, '://' ) ) {
+ // Since we know it's a relative path, prefix with a scheme/host placeholder and try again
+ if ( ! $parts = @parse_url( 'placeholder://placeholder' . $url ) ) {
+ return $parts;
+ }
+ // Remove the placeholder values
+ unset( $parts['scheme'], $parts['host'] );
+ } else {
+ return $parts;
+ }
+ }
+
+ // < PHP 5.4.7 compat, doesn't detect schemeless URL's host field
+ if ( '//' == substr( $url, 0, 2 ) && ! isset( $parts['host'] ) ) {
+ $path_parts = explode( '/', substr( $parts['path'], 2 ), 2 );
+ $parts['host'] = $path_parts[0];
+ if ( isset( $path_parts[1] ) ) {
+ $parts['path'] = '/' . $path_parts[1];
+ } else {
+ unset( $parts['path'] );
+ }
+ }
+
+ return $parts;
+}