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submit.php
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submit.php
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<?php session_start();
if (!isset($_SESSION['user_id'])){
require_once("oj-header.php");
echo "<a href='loginpage.php'>$MSG_Login</a>";
require_once("oj-footer.php");
exit(0);
}
require_once("include/db_info.inc.php");
require_once("include/const.inc.php");
$now=strftime("%Y-%m-%d %H:%M",time());
$user_id=$_SESSION['user_id'];
if (isset($_POST['cid'])){
$pid=intval($_POST['pid']);
$cid=intval($_POST['cid']);
$sql="SELECT `problem_id` from `contest_problem`
where `num`='$pid' and contest_id=$cid";
}else{
$id=intval($_POST['id']);
$sql="SELECT `problem_id` from `problem` where `problem_id`='$id' and problem_id not in (select distinct problem_id from contest_problem where `contest_id` IN (
SELECT `contest_id` FROM `contest` WHERE
(`end_time`>'$now' or private=1)and `defunct`='N'
))";
if(!isset($_SESSION['administrator']))
$sql.=" and defunct='N'";
}
//echo $sql;
$res=mysql_query($sql);
if ($res&&mysql_num_rows($res)<1&&!isset($_SESSION['administrator'])&&!((isset($cid)&&$cid<=0)||(isset($id)&&$id<=0))){
mysql_free_result($res);
$view_errors= "Where do find this link? No such problem.<br>";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
}
mysql_free_result($res);
$test_run=false;
if (isset($_POST['id'])) {
$id=intval($_POST['id']);
$test_run=($id<=0);
}else if (isset($_POST['pid']) && isset($_POST['cid'])&&$_POST['cid']!=0){
$pid=intval($_POST['pid']);
$cid=intval($_POST['cid']);
$test_run=($cid<0);
if($test_run) $cid=-$cid;
// check user if private
$sql="SELECT `private` FROM `contest` WHERE `contest_id`='$cid' AND `start_time`<='$now' AND `end_time`>'$now'";
$result=mysql_query($sql);
$rows_cnt=mysql_num_rows($result);
if ($rows_cnt!=1){
echo "<font color=red size=25>你不能参加该竞赛(作业)或竞赛(作业)已结束，所以不能提交!!</font>";
mysql_free_result($result);
exit(0);
}else{
$row=mysql_fetch_array($result);
$isprivate=intval($row[0]);
mysql_free_result($result);
if ($isprivate==1&&!isset($_SESSION['c'.$cid])){
$sql="SELECT count(*) FROM `privilege` WHERE `user_id`='$user_id' AND `rightstr`='c$cid'";
$result=mysql_query($sql) or die (mysql_error());
$row=mysql_fetch_array($result);
$ccnt=intval($row[0]);
mysql_free_result($result);
if ($ccnt==0&&!isset($_SESSION['administrator'])){
$view_errors= "You are not invited!\n";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
}
}
}
$sql="SELECT `problem_id` FROM `contest_problem` WHERE `contest_id`='$cid' AND `num`='$pid'";
$result=mysql_query($sql);
$rows_cnt=mysql_num_rows($result);
if ($rows_cnt!=1){
$view_errors= "No Such Problem!\n";
require("template/".$OJ_TEMPLATE."/error.php");
mysql_free_result($result);
exit(0);
}else{
$row=mysql_fetch_object($result);
$id=intval($row->problem_id);
if($test_run) $id=-$id;
mysql_free_result($result);
}
}else{
$id=0;
/*
$view_errors= "No Such Problem!\n";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
*/
$test_run=true;
}
$language=intval($_POST['language']);
if ($language>count($language_name) || $language<0) $language=0;
$language=strval($language);
$source=$_POST['source'];
$input_text=$_POST['input_text'];
if(get_magic_quotes_gpc()){
$source=stripslashes($source);
$input_text=stripslashes($input_text);
}
$input_text=preg_replace ( "(\r\n)", "\n", $input_text );
$source=mysql_real_escape_string($source);
$input_text=mysql_real_escape_string($input_text);
$source_user=$source;
if($test_run) $id=-$id;
//use append Main code
$prepend_file="$OJ_DATA/$id/prepend.$language_ext[$language]";
if(isset($OJ_APPENDCODE)&&$OJ_APPENDCODE&&file_exists($prepend_file)){
$source=mysql_real_escape_string(file_get_contents($prepend_file)."\n").$source;
}
$append_file="$OJ_DATA/$id/append.$language_ext[$language]";
if(isset($OJ_APPENDCODE)&&$OJ_APPENDCODE&&file_exists($append_file)){
$source.=mysql_real_escape_string("\n".file_get_contents($append_file));
}
//end of append
if($language==6)
$source="# coding=utf-8\n".$source;
if($test_run) $id=0;
$len=strlen($source);
//echo $source;
setcookie('lastlang',$language,time()+360000);
$ip=$_SERVER['REMOTE_ADDR'];
if ($len<2){
$view_errors="Code too short!<br>";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
}
if ($len>65536){
$view_errors="Code too long!<br>";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
}
// last submit
$now=strftime("%Y-%m-%d %X",time()-1);
$sql="SELECT `in_date` from `solution` where `user_id`='$user_id' and in_date>'$now' order by `in_date` desc limit 1";
$res=mysql_query($sql);
if (0&&mysql_num_rows($res)==1){
//$row=mysql_fetch_row($res);
//$last=strtotime($row[0]);
//$cur=time();
//if ($cur-$last<10){
$view_errors="You should not submit more than twice in 10 seconds.....<br>";
require("template/".$OJ_TEMPLATE."/error.php");
exit(0);
//}
}
if ((~$OJ_LANGMASK) & (1<<$language)) {
$store_id = 0;
if(isset($_SESSION['store_id']))
$store_id=$_SESSION['store_id'];
if (!isset($pid)){
$sql="INSERT INTO solution(problem_id,user_id,in_date,language,ip,code_length)
VALUES('$id','$user_id',NOW(),'$language','$ip','$len')";
}else{
$sql="INSERT INTO solution(problem_id,user_id,in_date,language,ip,code_length,contest_id,num)
VALUES('$id','$user_id',NOW(),'$language','$ip','$len','$cid','$pid')";
}
mysql_query($sql);
$insert_id=mysql_insert_id();
$sql="INSERT INTO `source_code_user`(`solution_id`,`source`)VALUES('$insert_id','$source_user')";
mysql_query($sql);
$sql="INSERT INTO `source_code`(`solution_id`,`source`)VALUES('$insert_id','$source')";
mysql_query($sql);
if($test_run){
$sql="INSERT INTO `custominput`(`solution_id`,`input_text`)VALUES('$insert_id','$input_text')";
mysql_query($sql);
}
//echo $sql;
}
$statusURI=strstr($_SERVER['REQUEST_URI'],"submit",true)."http://coj.cqut.edu.cn/status.php";
if (isset($cid))
$statusURI.="?cid=$cid";
$sid="";
if (isset($_SESSION['user_id'])){
$sid.=session_id().$_SERVER['REMOTE_ADDR'];
}
if (isset($_SERVER["REQUEST_URI"])){
$sid.=$statusURI;
}
// echo $statusURI."<br>";
$sid=md5($sid);
$file = "cache/cache_$sid.html";
//echo $file;
if($OJ_MEMCACHE){
$mem = new Memcache;
if($OJ_SAE)
$mem=memcache_init();
else{
$mem->connect($OJ_MEMSERVER, $OJ_MEMPORT);
}
$mem->delete($file,0);
}
else if(file_exists($file))
unlink($file);
//echo $file;
$statusURI="http://coj.cqut.edu.cn/status.php?user_id=".$_SESSION['user_id'];
if (isset($cid))
$statusURI.="&cid=$cid";
if(!$test_run)
header("Location: $statusURI");
else{
?>
<script>window.parent.setTimeout("fresh_result('<?php echo $insert_id;?>')",2000);</script>
<?php
}
?>