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<!--
Flexisip, a flexible SIP proxy server with media capabilities.
Copyright (C) 2015 Belledonne Communications SARL.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<!--
Retrieved from https://wiki.linphone.org/xwiki/wiki/public/view/Lib/Features/File%20transfer/
If you manage to make this work let us know what you did: <linphone@packages.debian.org>
-->
<?php
function custom_log($message) {
$now = getdate();
$month = sprintf("%02d", $now["mon"]);
$day = sprintf("%02d", $now["mday"]);
$hours = sprintf("%02d", $now["hours"]);
$minutes = sprintf("%02d", $now["minutes"]);
$seconds = sprintf("%02d", $now["seconds"]);
error_log("[" . $day . "/" . $month . "/" . $now["year"] . " " . $hours . ":" . $minutes . ":" . $seconds . "] " . $message . "\r\n", 3, "/var/log/trace_file_sharing.log");
}
function upload_error_message($error) {
$message = 'Error uploading file';
switch($error) {
case UPLOAD_ERR_OK:
$message = false;;
break;
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
$message .= ' - file too large (limit of '. ini_get('upload_max_filesize') .' bytes).';
break;
case UPLOAD_ERR_PARTIAL:
$message .= ' - file upload was not completed.';
break;
case UPLOAD_ERR_NO_FILE:
$message .= ' - zero-length file uploaded.';
break;
default:
$message .= ' - internal error #'. $error;
break;
}
return $message;
}
function file_too_large() {
if (!function_exists('http_response_code')) {
$protocol = (isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0');
header($protocol . ' 400 Bad Request');
$GLOBALS['http_response_code'] = 400;
} else {
http_response_code(400);
}
}
date_default_timezone_set("UTC");
if (count($_FILES) != 0) {
$uploaddir = dirname(__FILE__).'/tmp/';
$rcvname=$_FILES['File']['name'];
$ext= strtolower(pathinfo($rcvname, PATHINFO_EXTENSION));
//$allowed_ext = array("jpg", "txt", "zip", "zlib", "gz");
//if (!in_array($ext, $allowed_ext)) $ext="jpg";
$tmpfile=$_FILES['File']['tmp_name'];
if (strlen($tmpfile) <= 0) {
custom_log(upload_error_message($_FILES['File']['error']));
}
if ($_FILES['File']['error'] === UPLOAD_ERR_INI_SIZE) {
//File too large
custom_log(upload_error_message($_FILES['File']['error']));
file_too_large();
} else {
custom_log('Uploaded '.$rcvname.' to '.$tmpfile);
//$uploadfile = $uploaddir.time().md5_file($tmpfile).".".$ext;
$uploadfile = $uploaddir.uniqid()."_".bin2hex(openssl_random_pseudo_bytes(10)).".$ext";
if (move_uploaded_file($tmpfile, $uploadfile)) {
custom_log('Moved to '.$uploadfile);
if (isset($_SERVER['SERVER_NAME'])) {
$ipport = $_SERVER['SERVER_NAME'];
} else {
// This is not recommended because in case of HA
// this will return the meta named use to reach the server
// and not the real domain of the server hosting the file
$ipport = $_SERVER['HTTP_HOST'];
}
$prefix= (isset($_SERVER["HTTPS"]) && strtolower($_SERVER["HTTPS"])=="on")?"https":"http";
$start= $prefix."://".$ipport.dirname($_SERVER['REQUEST_URI']);
$http_url = $start."/tmp/".basename($uploadfile);
// validity time is one week ahead from now
$until = date("Y-m-d\TH:i:s\Z",time()+7*24*60*60);
echo '<?xml version="1.0" encoding="UTF-8"?><file xmlns="urn:gsma:params:xml:ns:rcs:rcs:fthttp">
<file-info type="file">
<file-size>'.$_FILES['File']['size'].'</file-size>
<file-name>'.$_FILES['File']['name'].'</file-name>
<content-type>'.$_FILES['File']['type'].'</content-type>
<data url = "'.$http_url.'" until = "'.$until.'"/>
</file-info>
</file>';
}
}
}
if (isset($_SERVER['CONTENT_LENGTH']) && (int) $_SERVER['CONTENT_LENGTH'] > (1024*1024*(int) ini_get('post_max_size'))) {
// File too large
file_too_large();
} else if ((count($_POST) == 0) && (count($_FILES) == 0)) {
if (!function_exists('http_response_code')) {
$protocol = (isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0');
header($protocol . ' 204 No Content');
$GLOBALS['http_response_code'] = 204;
} else {
http_response_code(204);
}
}
?>
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