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<?php
/**
* View for download photos page - zipfile
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jeroen Roos
*/
namespace photos\view;
use conf\conf;
use fileNotFoundException;
use photo;
use photo\collection as photoCollection;
use photos\filenameException;
use photos\params;
use template\block;
use template\form;
use template\template;
use user;
use web\request;
/**
* This sends the zip file to the browser
*/
class zipfile extends view {
/** @var string filename of zipfile as downloaded */
private $filename;
/** @var string filename of zipfile as stored in /tmp */
private $zipfile;
public function __construct(request $request, params $params) {
parent::__construct($request, $params);
$user = user::getCurrent();
$filename=$this->request["_filename"] ?? "zoph";
if (!preg_match("/^[a-zA-Z0-9_-]+$/", $filename)) {
throw new filenameException("Invalid filename");
}
$filenum=(int) ($this->request["_filenum"] ?? 1);
$this->filename=$filename . "_" . $filenum . ".zip";
$this->zipfile="/tmp/zoph_" . (int) $user->getId() . "_" . $this->filename;
}
/**
* Output view
*/
public function view() : ?block {
if (file_exists($this->zipfile)) {
readfile($this->zipfile);
unlink($this->zipfile);
} else {
throw new fileNotFoundException("Could not read " . $this->zipfile);
}
return null;
}
/**
* Return customized headers
* @return array headers
*/
public function getHeaders() : array {
$size = filesize($this->zipfile);
if (!file_exists($this->zipfile)) {
throw new fileNotFoundException("Could not read " . $this->zipfile);
}
return array(
"Content-Description: File Transfer",
"Content-Type: application/zip",
"Content-Disposition: attachment; filename=\"" . $this->filename . "\"",
"Content-Transfer-Encoding: binary",
"Expires: 0",
"Cache-Control: no-cache",
"Content-Length: " . $size
);
}
}
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