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diff --git a/bin/modcss.php b/bin/modcss.php
index 993153994..3ee1e2310 100644
--- a/bin/modcss.php
+++ b/bin/modcss.php
@@ -1,69 +1,87 @@
<?php
/*
+-----------------------------------------------------------------------+
| bin/modcss.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2007-2009, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Modify CSS source from a URL |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/');
require INSTALL_PATH . 'program/include/iniset.php';
$RCMAIL = rcmail::get_instance();
-$source = "";
-if (!empty($RCMAIL->user->ID) && ($url = preg_replace('/[^a-z0-9.-_\?\$&=%]/i', '', $_GET['u'])))
-{
- $a_uri = parse_url($url);
- $port = $a_uri['port'] ? $a_uri['port'] : 80;
- $host = $a_uri['host'];
- $path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '');
+$source = '';
+$error = 'Requires a valid user session and source url';
+if (empty($RCMAIL->user->ID)) {
+ header('HTTP/1.1 403 Forbidden');
+ echo $error;
+ exit;
+}
+
+$url = preg_replace('/[^a-z0-9.-_\?\$&=%]/i', '', $_GET['u']);
+if ($url === null) {
+ header('HTTP/1.1 403 Forbidden');
+ echo $error;
+ exit;
+}
- if ($fp = fsockopen($host, $port, $errno, $errstr, 30))
- {
- $out = "GET $path HTTP/1.0\r\n";
- $out .= "Host: $host\r\n";
- $out .= "Connection: Close\r\n\r\n";
- fwrite($fp, $out);
+$a_uri = parse_url($url);
+$port = $a_uri['port'] ? $a_uri['port'] : 80;
+$host = $a_uri['host'];
+$path = $a_uri['path'] . ($a_uri['query'] ? '?'.$a_uri['query'] : '');
- $header = true;
- while (!feof($fp))
- {
- $line = trim(fgets($fp, 4048));
-
- if ($header && preg_match('/^HTTP\/1\..\s+(\d+)/', $line, $regs) && intval($regs[1]) != 200)
- break;
- else if (empty($line) && $header)
- $header = false;
- else if (!$header)
- $source .= "$line\n";
- }
- fclose($fp);
- }
+if (!($fp = fsockopen($host, $port, $errno, $errstr, 30))) {
+ header('HTTP/1.1 500 Internal Server Error');
+ echo $error;
+ exit;
}
-if (!empty($source))
-{
- header("Content-Type: text/css");
- echo rcmail_mod_css_styles($source, preg_replace('/[^a-z0-9]/i', '', $_GET['c']), $url);
+$out = "GET $path HTTP/1.0\r\n";
+$out .= "Host: $host\r\n";
+$out .= "Connection: Close\r\n\r\n";
+fwrite($fp, $out);
+
+$header = true;
+while (!feof($fp)) {
+ $line = trim(fgets($fp, 4048));
+
+ if ($header
+ && preg_match('/^HTTP\/1\..\s+(\d+)/', $line, $regs)
+ && intval($regs[1]) != 200) {
+ break;
+ } else if (empty($line) && $header) {
+ $header = false;
+ } else if (!$header) {
+ $source .= "$line\n";
+ }
+ fclose($fp);
}
-else {
- header("HTTP/1.0 404 Not Found");
- echo "Requires a valid user session and source url";
+
+if (!empty($source)) {
+ header('Content-Type: text/css');
+ echo rcmail_mod_css_styles(
+ $source,
+ preg_replace('/[^a-z0-9]/i', '', $_GET['c']),
+ $url
+ );
+ exit;
}
-?>
+header('HTTP/1.0 404 Not Found');
+echo $error;
+exit;

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