X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f..refs/tags/wordpress-4.1.1-scripts:/wp-includes/http.php

diff --git a/wp-includes/http.php b/wp-includes/http.php
index 3a5f4ada..02b653f5 100644
--- a/wp-includes/http.php
+++ b/wp-includes/http.php
@@ -4,7 +4,7 @@
  *
  * Will eventually replace and standardize the WordPress HTTP requests made.
  *
- * @link http://trac.wordpress.org/ticket/4779 HTTP API Proposal
+ * @link https://core.trac.wordpress.org/ticket/4779 HTTP API Proposal
  *
  * @package WordPress
  * @subpackage HTTP
@@ -246,7 +246,7 @@ function wp_remote_retrieve_header( $response, $header ) {
  * @since 2.7.0
  *
  * @param array $response HTTP response.
- * @return string the response code. Empty string on incorrect parameter given.
+ * @return int|string The response code as an integer. 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']))
@@ -381,8 +381,8 @@ function get_allowed_http_origins() {
  *
  * @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.
+ * @param null|string $origin Origin URL. If not provided, the value of get_http_origin() is used.
+ * @return bool|null True if the origin is allowed. False otherwise.
  */
 function is_allowed_http_origin( $origin = null ) {
 	$origin_arg = $origin;
@@ -441,11 +441,13 @@ function send_origin_headers() {
  *
  * @since 3.5.2
  *
- * @return mixed URL or false on failure.
+ * @param string $url
+ * @return false|string URL or false on failure.
  */
 function wp_http_validate_url( $url ) {
+	$original_url = $url;
 	$url = wp_kses_bad_protocol( $url, array( 'http', 'https' ) );
-	if ( ! $url )
+	if ( ! $url || strtolower( $url ) !== strtolower( $original_url ) )
 		return false;
 
 	$parsed_url = @parse_url( $url );
@@ -455,7 +457,7 @@ function wp_http_validate_url( $url ) {
 	if ( isset( $parsed_url['user'] ) || isset( $parsed_url['pass'] ) )
 		return false;
 
-	if ( false !== strpos( $parsed_url['host'], ':' ) )
+	if ( false !== strpbrk( $parsed_url['host'], ':#?[]' ) )
 		return false;
 
 	$parsed_home = @parse_url( get_option( 'home' ) );
@@ -473,8 +475,7 @@ function wp_http_validate_url( $url ) {
 		}
 		if ( $ip ) {
 			$parts = array_map( 'intval', explode( '.', $ip ) );
-			if ( '127.0.0.1' === $ip
-				|| ( 10 === $parts[0] )
+			if ( 127 === $parts[0] || 10 === $parts[0]
 				|| ( 172 === $parts[0] && 16 <= $parts[1] && 31 >= $parts[1] )
 				|| ( 192 === $parts[0] && 168 === $parts[1] )
 			) {