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check if we have the beginning of a pubkey

This commit is contained in:
Ben Harris 2019-06-28 11:42:22 -04:00
parent cbbf122342
commit 03e8309882
1 changed files with 1 additions and 1 deletions
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2
signup/signup-handler.php
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@ -72,7 +72,7 @@ if (isset($_REQUEST["username"]) && isset($_REQUEST["email"])) {
if (!preg_match('/^[a-z][a-z0-9]{2,31}$/', $name))
$message .= "<li>username contains invalid characters (lowercase only, must start with a letter)</li>";
if ($_REQUEST["sshkey"] == "")
if ($_REQUEST["sshkey"] == "" || mb_substr($_REQUEST["sshkey"], 0, 4) !== "ssh-")
$message .= '<li>ssh key required: please create one and submit the public key. '
. 'see our <a href="https://tilde.team/wiki/?page=ssh">ssh wiki</a> or '
. 'hop on <a href="https://web.tilde.chat/?join=team">irc</a> and ask for help</li>';