77 lines
2.1 KiB
PHP
77 lines
2.1 KiB
PHP
<?php
|
|
class OC_PublicLink{
|
|
/**
|
|
* create a new public link
|
|
* @param string path
|
|
* @param int (optional) expiretime time the link expires, as timestamp
|
|
*/
|
|
public function __construct($path,$expiretime=0){
|
|
if($path && OC_FILESYSTEM::file_exists($path)){
|
|
$token=sha1("$path-$expiretime");
|
|
$user=$_SESSION['user_id'];
|
|
$query=OC_DB::prepare("INSERT INTO *PREFIX*publiclink VALUES(?,?,?,?)");
|
|
$result=$query->execute(array($token,$path,$user,$expiretime));
|
|
if( PEAR::isError($result)) {
|
|
$entry = 'DB Error: "'.$result->getMessage().'"<br />';
|
|
$entry .= 'Offending command was: '.$result->getDebugInfo().'<br />';
|
|
error_log( $entry );
|
|
die( $entry );
|
|
}
|
|
$this->token=$token;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* download a file shared by a public link
|
|
* @param string token
|
|
*/
|
|
public static function downloadFile($token){
|
|
//remove expired links
|
|
$query=OC_DB::prepare("DELETE FROM *PREFIX*publiclink WHERE expire_time < NOW() AND expire_time!=0");
|
|
$query->execute();
|
|
|
|
//get the path and the user
|
|
$query=OC_DB::prepare("SELECT user,path FROM *PREFIX*publiclink WHERE token=?");
|
|
$result=$query->execute(array($token));
|
|
$data=$result->fetchAll();
|
|
if(count($data)>0){
|
|
$path=$data[0]['path'];
|
|
$user=$data[0]['user'];
|
|
|
|
//login
|
|
$_SESSION['user_id']=$user;
|
|
|
|
//prepare the filesystem
|
|
OC_UTIL::setupFS();
|
|
|
|
//get time mimetype and set the headers
|
|
$mimetype=OC_FILESYSTEM::getMimeType($path);
|
|
// header('Content-Disposition: attachment; filename="'.basename($path).'"');
|
|
header('Content-Transfer-Encoding: binary');
|
|
header('Expires: 0');
|
|
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
|
|
header('Pragma: public');
|
|
header('Content-Type: ' . $mimetype);
|
|
header('Content-Length: ' . OC_FILESYSTEM::filesize($path));
|
|
|
|
//download the file
|
|
ob_clean();
|
|
OC_FILESYSTEM::readfile($path);
|
|
}else{
|
|
header("HTTP/1.0 404 Not Found");
|
|
echo '404 Not Found';
|
|
die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the token for the public link
|
|
* @return string
|
|
*/
|
|
public function getToken(){
|
|
return $this->token;
|
|
}
|
|
|
|
private $token;
|
|
}
|
|
?>
|