diff options
Diffstat (limited to 'src/filewindow.php')
| -rw-r--r-- | src/filewindow.php | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/filewindow.php b/src/filewindow.php new file mode 100644 index 0000000..594e483 --- /dev/null +++ b/src/filewindow.php @@ -0,0 +1,120 @@ +<?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(); +$fname = decryptData(rawurldecode($_GET["filename"]), session_id() . $cf["key"]); +$msg = ''; +if(isset($_GET["msg"])) + $msg = rawurldecode($_GET["msg"]); + +$p = myhash($_GET["oid"] . $fname . $msg . session_id() . $cf["key"]); + +if($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"],$lo) === false) { + header ("Content-type: text/html"); + echo "<html><head><title>View Page</title>"; + DBExec($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(); +} +?> |