Copy: ";
if(CAPTCHA===1){
$im=imagecreatetruecolor(55, 24);
$bg=imagecolorallocate($im, 0, 0, 0);
$fg=imagecolorallocate($im, 255, 255, 255);
imagefill($im, 0, 0, $bg);
imagestring($im, 5, 5, 5, $code, $fg);
echo '{
$im=imagecreatetruecolor(55, 24);
$bg=imagecolorallocate($im, 0, 0, 0);
$fg=imagecolorallocate($im, 255, 255, 255);
imagefill($im, 0, 0, $bg);
imagestring($im, 5, 5, 5, $code, $fg);
$line=imagecolorallocate($im, 255, 255, 255);
for($i=0;$i<2;++$i){
imageline($im, 0, mt_rand(0, 24), 55, mt_rand(0, 24), $line);
}
$dots=imagecolorallocate($im, 255, 255, 255);
for($i=0;$i<100;++$i){
imagesetpixel($im, mt_rand(0, 55), mt_rand(0, 24), $dots);
}
echo '<img width=) | ';
echo " |
";
}
function check_login(){
global $db;
if(empty($_SESSION['hosting_username'])){
header('Location: login.php');
session_destroy();
exit;
}
$stmt=$db->prepare('SELECT * FROM users WHERE username=?;');
$stmt->execute([$_SESSION['hosting_username']]);
if(!$user=$stmt->fetch(PDO::FETCH_ASSOC)){
header('Location: login.php');
session_destroy();
exit;
}
return $user;
}
function get_system_hash($pass){
$chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789./';
$salt='';
for($i=0;$i<16;++$i){
$salt.=$chars[random_int(0, strlen($chars)-1)];
}
return crypt($pass, '$6$'.$salt.'$');
}
function check_captcha_error(){
global $db;
if(CAPTCHA){
if(!isset($_REQUEST['challenge'])){
return 'Error: Wrong Captcha';
}else{
$stmt=$db->prepare('SELECT code FROM captcha WHERE id=?;');
$stmt->execute([$_REQUEST['challenge']]);
$stmt->bindColumn(1, $code);
if(!$stmt->fetch(PDO::FETCH_BOUND)){
return 'Error: Captcha expired';
}else{
$time=time();
$stmt=$db->prepare('DELETE FROM captcha WHERE id=? OR timeexecute([$_REQUEST['challenge'], $time-3600]);
if($_REQUEST['captcha']!==$code){
if(strrev($_REQUEST['captcha'])!==$code){
return 'Error: Wrong captcha';
}
}
}
}
}
return false;
}
function rewrite_torrc(PDO $db, string $key){
$torrc="ClientUseIPv6 1
ClientUseIPv4 1
SOCKSPort 0
MaxClientCircuitsPending 1024
NumEntryGuards 6
NumDirectoryGuards 6
NumPrimaryGuards 6
";
$stmt=$db->prepare('SELECT onions.onion, users.system_account, onions.num_intros, onions.enable_smtp, onions.version, onions.max_streams, onions.enabled FROM onions LEFT JOIN users ON (users.id=onions.user_id) WHERE onions.onion LIKE ? AND onions.enabled IN (1, -2) AND users.id NOT IN (SELECT user_id FROM new_account);');
$stmt->execute(["$key%"]);
while($tmp=$stmt->fetch(PDO::FETCH_NUM)){
if($tmp[6]==1){
$socket=$tmp[1];
}else{
$socket='suspended';
}
$torrc.="HiddenServiceDir /var/lib/tor-instances/$key/hidden_service_$tmp[0].onion/
HiddenServiceNumIntroductionPoints $tmp[2]
HiddenServiceVersion $tmp[4]
HiddenServiceMaxStreamsCloseCircuit 1
HiddenServiceMaxStreams $tmp[5]
HiddenServicePort 80 unix:/var/run/nginx/$socket
";
if($tmp[3]){
$torrc.="HiddenServicePort 25\n";
}
}
file_put_contents("/etc/tor/instances/$key/torrc", $torrc);
exec("service tor@$key reload");
}