diff options
| author | cassiopc <cassiopc@gmail.com> | 2012-08-06 09:09:10 +0000 |
|---|---|---|
| committer | cassiopc <cassiopc@gmail.com> | 2012-08-06 09:09:10 +0000 |
| commit | 866658cded5b92ddb2681dead1ebaf111d712fcc (patch) | |
| tree | cf7534c4726a142189e096ce82f8d73b2a398ecc /boca-1.5.0/src/filedownload.php | |
| download | boca-866658cded5b92ddb2681dead1ebaf111d712fcc.tar.gz boca-866658cded5b92ddb2681dead1ebaf111d712fcc.zip | |
init
Diffstat (limited to 'boca-1.5.0/src/filedownload.php')
| -rw-r--r-- | boca-1.5.0/src/filedownload.php | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/boca-1.5.0/src/filedownload.php b/boca-1.5.0/src/filedownload.php new file mode 100644 index 0000000..92de694 --- /dev/null +++ b/boca-1.5.0/src/filedownload.php @@ -0,0 +1,114 @@ +<?php +//////////////////////////////////////////////////////////////////////////////// +//BOCA Online Contest Administrator +// Copyright (C) 2003-2012 by BOCA Development Team (bocasystem@gmail.com) +// +// This program 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 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 General Public License for more details. +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +//////////////////////////////////////////////////////////////////////////////// +// modified 21/july/2012 by cassio@ime.usp.br +ob_start(); +session_start(); +require_once("globals.php"); + +if(!ValidSession()) { + echo "<html><head><title>Download Page</title>"; + InvalidSession("filedownload.php"); + ForceLoad("index.php"); +} + +if(!isset($_GET["oid"]) || !is_numeric($_GET["oid"]) || !isset($_GET["filename"]) || + !isset($_GET["check"]) || $_GET["check"]=="") { + echo "<html><head><title>Download Page</title>"; + IntrusionNotify("Bad parameters in filedownload.php"); + ForceLoad("index.php"); +} + +$cf = globalconf(); +$fname = decryptData(rawurldecode($_GET["filename"]), session_id() . $cf["key"]); + +if(isset($_GET["msg"])) + $p = myhash($_GET["oid"] . $fname . rawurldecode($_GET["msg"]) . session_id() . $cf["key"]); +else + $p = myhash($_GET["oid"] . $fname . session_id() . $cf["key"]); + +if($p != $_GET["check"]) { + echo "<html><head><title>View Page</title>"; + IntrusionNotify("Parameters modified in filedownload.php. "); + ForceLoad("index.php"); +} + +require_once("db.php"); + +if ($_GET["oid"]>=0) { + $c = DBConnect(); + DBExec($c, "begin work"); + + if (($lo = DB_lo_open ($c, $_GET["oid"], "r")) === false) { + echo "<html><head><title>Download Page</title>"; + DBExec($c, "rollback work"); + LOGError ("Unable to download file (" . basename($fname) . ")"); + MSGError ("Unable to download file (" . basename($fname) . ")"); + ForceLoad("index.php"); + } + + header ("Expires: " . gmdate("D, d M Y H:i:s") . " GMT"); + header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); + header ("Cache-Control: no-cache, must-revalidate"); + header ("Pragma: no-cache"); + header ("Content-transfer-encoding: binary\n"); + header ("Content-type: application/force-download"); +//header ("Content-type: application/octet-stream"); +//if (strstr($_SERVER["HTTP_USER_AGENT"], "MSIE")) +// header("Content-Disposition: filename=" .$_GET["filename"]); // For IE +//else + header ("Content-Disposition: attachment; filename=" . basename($fname)); + ob_end_flush(); + + if (DB_lo_read_tobrowser ($_SESSION["usertable"]["contestnumber"],$lo) === false) { + echo "<html><head><title>Download Page</title>"; + DBExec($c, "rollback work"); + LOGError ("Unable to download file (" . basename($fname) . ")"); + MSGError ("Unable to download file (" . basename($fname) . ")"); + ForceLoad("index.php"); + } + DB_lo_close($lo); + + DBExec($c, "commit work"); + DBClose($c); +} else { + header ("Expires: " . gmdate("D, d M Y H:i:s") . " GMT"); + header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); + header ("Cache-Control: no-cache, must-revalidate"); + header ("Pragma: no-cache"); +//header ("Content-type: application/octet-stream"); +//if (strstr($_SERVER["HTTP_USER_AGENT"], "MSIE")) +// header("Content-Disposition: filename=" .$_GET["filename"]); // For IE +//else + header ("Content-Disposition: attachment; filename=" . basename($fname)); + + if (($str=file_get_contents($fname))===false) { + header ("Content-type: text/html"); + echo "<html><head><title>Download Page</title>"; + MSGError ("Unable to open file (" . basename($fname) . ")"); + LOGError ("Unable to open file (" . basename($fname) . ")"); + ForceLoad('index.php'); + exit; + } else { + header ("Content-transfer-encoding: binary\n"); + header ("Content-type: application/force-download"); + echo decryptData($str, $cf["key"]); + } + ob_end_flush(); +} + +?> |