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/
http/
mail/
program/
lib/
Roundcube/
- drwxr-xr-x
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Viewing file:  rcube_base_replacer.php (3.19 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Provide basic functions for base URL replacement |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
/**
* Helper class to turn relative urls into absolute ones
* using a predefined base
*
* @package Framework
* @subpackage Utils
* @author Thomas Bruederli <roundcube@gmail.com>
*/
class rcube_base_replacer
{
private $base_url;
public function __construct($base)
{
$this->base_url = $base;
}
public function callback($matches)
{
return $matches[1] . '="' . self::absolute_url($matches[3], $this->base_url) . '"';
}
public function replace($body)
{
return preg_replace_callback(array(
'/(src|background|href)=(["\']?)([^"\'\s>]+)(\2|\s|>)/i',
'/(url\s*\()(["\']?)([^"\'\)\s]+)(\2)\)/i',
),
array($this, 'callback'), $body);
}
/**
* Convert paths like ../xxx to an absolute path using a base url
*
* @param string $path Relative path
* @param string $base_url Base URL
*
* @return string Absolute URL
*/
public static function absolute_url($path, $base_url)
{
$host_url = $base_url;
$abs_path = $path;
// check if path is an absolute URL
if (preg_match('/^[fhtps]+:\/\//', $path)) {
return $path;
}
// check if path is a content-id scheme
if (strpos($path, 'cid:') === 0) {
return $path;
}
// cut base_url to the last directory
if (strrpos($base_url, '/') > 7) {
$host_url = substr($base_url, 0, strpos($base_url, '/', 7));
$base_url = substr($base_url, 0, strrpos($base_url, '/'));
}
// $path is absolute
if ($path[0] == '/') {
$abs_path = $host_url.$path;
}
else {
// strip './' because its the same as ''
$path = preg_replace('/^\.\//', '', $path);
if (preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER)) {
foreach ($matches as $a_match) {
if ($pos = strrpos($base_url, '/')) {
$base_url = substr($base_url, 0, $pos);
}
$path = substr($path, 3);
}
}
$abs_path = $base_url.'/'.$path;
}
return $abs_path;
}
}
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