Changeset 11351

Timestamp:

05/16/2009 02:17:55 AM (16 years ago)

Author:

ryan

Message:

Support headers split over multiple lines. Props hakre, Denis-de-Bernardy, wnorris. fixes #9395

File:

• trunk/wp-includes/http.php (modified) (1 diff)

trunk/wp-includes/http.php

@@ -397 +397 @@
      */
     function processHeaders($headers) {
-        if ( is_string($headers) )
-            $headers = explode("\n", str_replace(array("\r\n", "\r"), "\n", $headers) );
+        // split headers, one per array element
+        if ( is_string($headers) ) {
+            // tolerate line terminator: CRLF = LF (RFC 2616 19.3)
+            $headers = str_replace("\r\n", "\n");
+            // unfold folded header fields. LWS = [CRLF] 1*( SP | HT ) <US-ASCII SP, space (32)>, <US-ASCII HT, horizontal-tab (9)> (RFC 2616 2.2)
+            $headers = preg_replace('/\n[ \t]/', ' ', $headers);
+            // create the headers array
+            $headers = explode("\n", $headers);
+        }
 
         $response = array('code' => 0, 'message' => '');