contactimporter/php/upload.php

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<?php
/**
* upload.php, zarafa contact to vcf im/exporter
*
* Author: Christoph Haas <christoph.h@sprinternet.at>
* Copyright (C) 2012-2013 Christoph Haas
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
require_once("../config.php");
/* disable error printing - otherwise json communication might break... */
ini_set('display_errors', '0');
/**
* respond/echo JSON
* @param $arr
*/
function respondJSON($arr) {
echo json_encode($arr);
}
/**
* Generates a random string with variable length.
* @param $length the lenght of the generated string
* @return string a random string
*/
function randomstring($length = 6) {
// $chars - all allowed charakters
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
srand((double)microtime()*1000000);
$i = 0;
$pass = "";
while ($i < $length) {
$num = rand() % strlen($chars);
$tmp = substr($chars, $num, 1);
$pass = $pass . $tmp;
$i++;
}
return $pass;
}
$destpath = PLUGIN_CONTACTIMPORTER_TMP_UPLOAD;
$destpath .= $_FILES['vcfdata']['name'] . randomstring();
if(is_readable ($_FILES['vcfdata']['tmp_name'])) {
$result = move_uploaded_file($_FILES['vcfdata']['tmp_name'],$destpath);
if($result) {
respondJSON(array ('success'=>true, 'vcf_file'=>$destpath));
} else {
respondJSON(array ('success'=>false,'error'=>"File could not be moved to TMP path! Check plugin config and folder permissions!"));
}
} else {
respondJSON(array ('success'=>false,'error'=>"File could not be read by server, upload error!"));
}
?>