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Update includes/signup.php

This commit is contained in:
deepend 2024-01-23 04:23:45 +00:00
parent 0138a6e12d
commit 31dfa8fc34
1 changed files with 14 additions and 13 deletions
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27
includes/signup.php
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@ -15,7 +15,7 @@ $username = strtolower($username);
// strip new line characters from the end
$pubkey = trim($pubkey);
$from = 'From: www-data <www-data@thunix.net>';
$from = 'From: www-data <www-data@thunix.net>';
$destination_addr = "newuser@thunix.net";
$subject = "New User Registration";
$mailbody = "A new user has tried to register.
@ -25,7 +25,7 @@ Email Address: $email
Interest: $interest
Pubkey: $pubkey";
// In the future, here, we *should* be able to build a process that
// In the future, here, we *should* be able to build a process that
// somehow auto-verifies the user, and instead of email, it'll kick off the new user process here
$user_queue = '/dev/shm/userqueue';
@ -36,27 +36,28 @@ if ( $tv == "tildeverse" )
{
// Success!
$success = 'success2';
// Check if username already taken
exec("id $username 2>&1", $null, $retval);
if($retval == 0)
// Check if username already taken
if (posix_getpwnam($username)) {
$success = 'success3';
}
// Check SSH public key format:
exec("echo $pubkey | ssh-keygen -l -f - 2>&1", $null, $retval);
if($retval != 0)
// Simple SSH public key format check
$valid_key_starts = ['ssh-rsa', 'ssh-dss', 'ecdsa-sha2', 'ssh-ed25519'];
$key_parts = explode(' ', $pubkey, 3);
if (!in_array($key_parts[0], $valid_key_starts) || count($key_parts) < 2) {
$success = 'success4';
}
if ( $success == "success2" )
{
if ($success == "success2") {
mail($destination_addr, $subject, $mailbody, $from);
$fp = fopen($user_queue, 'a');
fwrite($fp, "'$username','$email','$pubkey'\n");
fclose($fp);
}
}
}
header("Location: $site_root/?page=$success");
die();
?>
?>