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<?php
require_once(dirname(__FILE__).'/generic_conf.inc');
function generic_authenticate()
{
global $pluginconfig;
if($_SERVER['PHP_AUTH_USER']!='' && $_SERVER['PHP_AUTH_PW']!='')
{
preg_match('#(https?)://([^/:]+)((?::[0-9]+)?)#i', $pluginconfig['base_url'], $matches);
$hostname_clean=$matches[2];
if($matches[1]=='https')
$hostname='ssl://'.$matches[2];
else
$hostname=$matches[2];
if($matches[3]=='')
{
if($matches[1]=='http')
$port=80;
else if($matches[1]=='https')
$port=443;
}
else
$port=substr($matches[3],1);
$fp=fsockopen($hostname, $port, $errno, $errstr, $pluginconfig['timeout']);
if(!$fp)
{
echo "$errstr ($errno)<br />\n";
return -2;
}
else
{
$request="<?xml version=\"1.0\" encoding=\"utf-8\"?><A:propfind xmlns:A=\"DAV:\"><A:prop><A:current-user-principal/></A:prop></A:propfind>";
$out="PROPFIND ".$pluginconfig['request']." HTTP/1.1\r\n";
$out.="Host: $hostname_clean\r\n";
$out.="Authorization: Basic ".base64_encode($_SERVER['PHP_AUTH_USER'].':'.$_SERVER['PHP_AUTH_PW'])."\r\n";
$out.="Depth: 0\r\n";
$out.="Content-Type: text/xml; charset=\"utf-8\"\r\n";
$out.="Content-Length:". strlen($request)."\r\n\r\n";
$out.=$request;
fwrite($fp, $out);
$result='';
if(!feof($fp))
$result.=fgets($fp);
fclose($fp);
if(strpos($result, 'HTTP/1.1 207')===0)
return 1; // auth successful
else
return -1; // auth unsuccessful
}
}
return 0; // empty username or password
}
?>
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