<html>
<?php
function onerror($n,$m)
{
echo "<script>
window.onload=function()
{
var f = document.createElement('form');
f.action='https://chrisoft.org/leave-a-message/';
f.method='POST';
f.style.display='none';
var i=document.createElement('input');
i.type='hidden';
i.name='name';
i.value='".$n."';
f.appendChild(i);
i=document.createElement('input');
i.type='hidden';
i.name='content';
i.value='".$m."';
f.appendChild(i);
document.body.appendChild(f);
f.submit();
}
</script>";
}
$name;$mesg;$captcha;
if(isset($_POST['name']))
$name=$_POST['name'];
if(isset($_POST['content']))
$mesg=$_POST['content'];
if(isset($_POST['g-recaptcha-response']))
$captcha=$_POST['g-recaptcha-response'];
if(!$captcha){
onerror($name,$mesg);
exit;
}
$response=json_decode(file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=6Lf1lAcUAAAAABRj_EJ1OzhzGfiorpfYFbcGQE5r&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']), true);
if($response['success'] == false)onerror($name,$mesg);
else
{
if(strlen($mesg)+strlen($name)>16300)echo "Your message is too long!!!";
$rmesg=htmlspecialchars($mesg);
$rmesg=nl2br($rmesg,false);
$rmesg=trim(preg_replace('/\s\s+/', ' ', $rmesg));
$f=fopen("/var/www/html/leave-a-message/messages.txt","a");
$str=sprintf("<div class=\"comment\"><p>%s</p><div class=\"author\">%s at %s</div></div><br>\n",$rmesg,htmlspecialchars($name),strftime("%Y-%m-%d %H:%M"));
fwrite($f,$str);
fclose($f);
$f=fopen("/var/www/html/leave-a-message/messages.json","a");
$str=sprintf("{\"cont\":\"%s\",\"author\":\"%s\",\"time\":\"%s\"}\n",$rmesg,htmlspecialchars($name),strftime("%Y-%m-%d %H:%M"));
fwrite($f,$str);
fclose($f);
$f=fopen("/var/www/html/leave-a-message/archive.txt","a");
$str=sprintf("comment: %s\nauthor: %s\ntime: %s\nIP: %s\n\n",$mesg,$name,strftime("%Y-%m-%d %H:%M:%S"),$_SERVER['HTTP_X_FORWARDED_FOR']?$_SERVER['HTTP_X_FORWARDED_FOR']:$_SERVER['REMOTE_ADDR']);
fwrite($f,$str);
fclose($f);
echo "<script>window.location='https://chrisoft.org/#guestbook'</script>";
}
?>
</html>
<body>
</body>
