please fill in your desired username"; if (strlen($name) > 32) $message .= "

username too long (32 character max)

"; if (!preg_match('/^[A-Za-z][A-Za-z0-9]{2,31}$/', $name)) $message .= "

username contains invalid characters (lowercase only, must start with a letter)

"; if (isTaken($name) || forbidden_name($name) || bannedUsers($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"]) . "

"; } if ($_REQUEST["sshkey"] == "") { $message .= "

ssh key required: please create one and submit the public key

"; } if (mb_substr($_REQUEST["sshkey"], 0, 4) !== "ssh-") { $message .= "

PUBLIC ssh key required: please create one and submit the public key

"; } if ($message == "") { // no validation errors // remember: $username = strtolower($_REQUEST["username"]); $email = $_REQUEST["email"]; $interest = $_REQUEST["interest"]; $sshkey = $_REQUEST["sshkey"]; $newuserfile = fopen("newusers.dat", "a"); fwrite($newuserfile, "$username $email \"$sshkey\"\n\n"); fclose($newuserfile); $fuzzyfile = fopen("fuzzies.log", "a"); fwrite($fuzzyfile, "$username $email $interest\n"); fclose($fuzzyfile); ?>

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