please fill in your desired username"; if (strlen($name) > 32) $message .= "
  • username too long (32 character max)
    • "; if (!preg_match('/^[a-z][a-z0-9]{1,31}$/', $name)) $message .= "
  • username contains invalid characters (lowercase ascii only, must start with a letter)
    • "; if ($_REQUEST["sshkey"] == "" || mb_substr($_REQUEST["sshkey"], 0, 4) !== "ssh-") $message .= '
  • ssh key required: please create one and submit the public key. ' . 'see our ssh wiki or ' . 'hop on irc and ask for help
    • '; if ($_REQUEST["interest"] == "") $message .= "
  • please explain why you're interested so we can make sure you're a real human being
    • "; if (posix_getpwnam($name) || forbidden_name($name)) $message .= "
  • sorry, the username $name is unavailable
    • "; // Check the e-mail address. $email = trim($_REQUEST["email"]); if ($email == "") $message .= "
  • please fill in your email address
    • "; else { $result = SMTP::MakeValidEmailAddress($_REQUEST["email"]); if (!$result["success"]) $message .= "
  • invalid email address: " . htmlspecialchars($result["error"]) . "
    • "; elseif ($result["email"] != $email) $message .= "
  • invalid email address. did you mean: " . htmlspecialchars($result["email"]) . "
    • "; } // no validation errors if ($message == "") { $sshkey = trim($_REQUEST["sshkey"]); $makeuser = "makeuser {$_REQUEST["username"]} {$_REQUEST["email"]} \"{$sshkey}\""; $msgbody = " username: {$_REQUEST["username"]} email: {$_REQUEST["email"]} reason: {$_REQUEST["interest"]} $makeuser "; if (mail('root', 'new tilde.club signup', $msgbody)) { echo ''; file_put_contents("/var/signups", $makeuser.PHP_EOL, FILE_APPEND); } else { echo ''; } } else { ?>