Ticket #2831: class-snoopy.php.patch

class-snoopy.php

@@ -7 +7 @@
 Copyright (c): 1999-2000 ispi, all rights reserved
 Version: 1.01
 
+Added Gzip Support for Wordpress by Dennis Kruyt (http://kruyt.org).
+
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ -100 +102 @@
                                                                                                 // library functions built into php,
                                                                                                 // as these functions are not stable
                                                                                                 // as of this Snoopy release.
+        // send Accept-encoding: gzip?
+        var $use_gzip           = true;
 
         /**** Private variables ****/
 
@@ -802 +806 @@
                 }
                 if(!empty($this->accept))
                         $headers .= "Accept: ".$this->accept."\r\n";
+
+                if($this->use_gzip) {
+                        // make sure PHP was built with --with-zlib
+                        // and we can handle gzipp'ed data
+                        if ( function_exists(gzinflate) ) {
+                           $headers .= "Accept-encoding: gzip\r\n";
+                        }
+                        else {
+                           trigger_error(
+                                "use_gzip is on, but PHP was built without zlib support.".
+                                "  Requesting file(s) without gzip encoding.",
+                                E_USER_NOTICE);
+                        }
+                }
+
                 if(!empty($this->referer))
                         $headers .= "Referer: ".$this->referer."\r\n";
                 if(!empty($this->cookies))
@@ -853 +872 @@
                 $this->_redirectaddr = false;
                 unset($this->headers);
 
+                // content was returned gzip encoded?
+                $is_gzipped = false;
+
                 while($currentHeader = fgets($fp,$this->_maxlinelen))
                 {
                         if ($this->read_timeout > 0 && $this->_check_timeout($fp))
@@ -892 +914 @@
                 }
                                 $this->response_code = $currentHeader;
                         }
-
+                        if (preg_match("/Content-Encoding: gzip/", $currentHeader) ) {
+                                $is_gzipped = true;
+                        }
                         $this->headers[] = $currentHeader;
                 }
 
@@ -905 +929 @@
                 $results .= $_data;
                 } while(true);
 
+               // gunzip
+                if ( $is_gzipped ) {
+                        // per http://www.php.net/manual/en/function.gzencode.php
+                        $results = substr($results, 10);
+                        $results = gzinflate($results);
+                }
+
                 if ($this->read_timeout > 0 && $this->_check_timeout($fp))
                 {
                         $this->status=-100;