<?php 
	$cache_time=10;
	$OJ_CACHE_SHARE=false;
	require_once('./include/cache_start.php');
    require_once('./include/db_info.inc.php');
	require_once('./include/setlang.php');
	$view_title= "Welcome To Online Judge";
	require_once("./include/check_post_key.php");
	require_once("./include/my_func.inc.php");
if(
		(isset($OJ_EXAM_CONTEST_ID)&&$OJ_EXAM_CONTEST_ID>0)||
		(isset($OJ_ON_SITE_CONTEST_ID)&&$OJ_ON_SITE_CONTEST_ID>0)
   ){
		$view_errors= $MSG_MODIFY_NOT_ALLOWED_FOR_EXAM;
		require("template/".$OJ_TEMPLATE."/error.php");
		exit ();
}
$err_str="";
$err_cnt=0;
$len;

if (!$_SESSION[$OJ_NAME.'_'.'user_id']) {
    die();
}
$user_id=$_SESSION[$OJ_NAME.'_'.'user_id'];
$password=$_POST['old-password'];
$sql="SELECT `user_id`,`password` FROM `users` WHERE `user_id`=?";
$result=pdo_query($sql,$user_id);
 $row=$result[0];
if ($row && pwCheck($password,$row['password'])) $rows_cnt = 1;
else $rows_cnt = 0;
if ($rows_cnt==0){
	$err_str=$err_str."旧密码不正确！";
	$err_cnt++;
}
$len=strlen($_POST['new1-password']);
if ($len<6 && $len>0){
	$err_cnt++;
	$err_str=$err_str."密码长度至少6位\\n";
}else if (strcmp($_POST['new1-password'],$_POST['new2-password'])!=0){
	$err_str=$err_str."密码不一致！";
	$err_cnt++;
}
if ($err_cnt>0){
	print "<script language='javascript'>\n";
	echo "alert('";
	echo $err_str;
	print "');\n history.go(-1);\n</script>";
	exit(0);
	
}
if (strlen($_POST['new1-password'])==0) $password=pwGen($_POST['old-password']);
else $password=pwGen($_POST['new1-password']);
$sql="UPDATE `users` SET"
."`password`=?";
$sql.="WHERE `user_id`=?";
//echo $sql;
//exit(0);
pdo_query($sql,$password,$user_id);
?>
<script>
    alert("修改成功！");
    history.back(-1);
</script>
<?php
?>