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<?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/2011 by cassio@ime.usp.br
ob_start();
session_start();
require_once("globals.php");
if(!ValidSession()) {
echo "<html><head><title>View Page</title>";
InvalidSession("filewindow.php");
echo "<script>window.close();</script></html>";
exit;
}
if(!isset($_GET["oid"]) || !is_numeric($_GET["oid"]) || !isset($_GET["filename"]) ||
!isset($_GET["check"]) || $_GET["check"]=="") {
echo "<html><head><title>View Page</title>";
IntrusionNotify("Bad parameters in filewindow.php");
echo "<script>window.close();</script></html>";
exit;
}
$cf = globalconf();
$fname = decryptData(myrawurldecode($_GET["filename"]), $uglysalt . $cf["key"]);
$msg = '';
if(isset($_GET["msg"]))
$msg = myrawurldecode($_GET["msg"]);
$p = myhash($_GET["oid"] . $fname . $msg . $uglysalt . $cf["key"]);
if($p != $_GET["check"]) {
echo "<html><head><title>View Page</title>";
IntrusionNotify("Parameters modified in filewindow.php");
echo "<script>window.close();</script></html>";
exit;
}
require_once("db.php");
if ($_GET["oid"]>=0) {
$c = DBConnect();
DBExec($c, "begin work");
if (($lo = DB_lo_open ($c, $_GET["oid"], "r")) === false) {
echo "<html><head><title>View Page</title>";
DBExec($c, "rollback work");
LOGError ("Unable to download file (" . basename($fname) . ")");
MSGError ("Unable to download file (" . basename($fname) . ")");
echo "<script>window.close();</script></html>";
exit;
}
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: text/plain");
// echo "<html><body>\n";
if($msg != '') {
// echo " <a href=\"#\" onClick=\"window.print()\"><h1>".$_GET["msg"]."</h1></a>";
echo $msg ."\n";
echo $msg ."\n";
echo $msg ."\n\n\n";
}
// echo "<pre>\n";
if (DB_lo_read_tobrowser ($_SESSION["usertable"]["contestnumber"],$lo,$c) === false) {
header ("Content-type: text/html");
echo "<html><head><title>View Page</title>";
DBExec($c, "rollback work");
LOGError ("Unable to open file (" . basename($fname) . ")");
MSGError ("Unable to open file (" . basename($fname) . ")");
echo "<script>window.close();</script></html>";
exit;
}
ob_end_flush();
// echo "</pre>\n";
DB_lo_close($lo);
if($msg != '') {
// echo " <a href=\"#\" onClick=\"window.print()\"><h1>".$_GET["msg"]."</h1></a>";
echo "\n\n\n".$msg ."\n";
echo $msg ."\n";
echo $msg ."\n";
}
DBExec($c, "commit work");
DBClose($c);
} else {
header ("Expires: " . gmdate("D, d M Y H:i:s") . " GMT");
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header ("Cache-Control: no-cache, must-revalidate");
header ("Pragma: no-cache");
if (($str = file_get_contents($fname))===false) {
header ("Content-type: text/html");
echo "<html><head><title>View Page</title>";
MSGError ("Unable to open file (" . basename($fname) . ")");
LOGError ("Unable to open file (" . basename($fname) . ")");
echo "<script>window.close();</script></html>";
exit;
}
header ("Content-type: text/plain");
echo decryptData($str, $cf["key"]);
ob_end_flush();
}
?>
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