Fix a bug with i2p captcha

- if captcha_tor_only is set to true, posting over i2p requires a
  captcha but the javascript code removes it. Add a check to see if
  we're on a .i2p domain in this case.

inc/instance-config.php

@@ -591,5 +591,5 @@ $config['filters'][] = array(
     'message' => 'New threads are being created too quickly. Wait [at most] 10 minutes'
 );
 
-$config['global_message'] = '<span><a href="https://talk.leftychan.net/#/room/#welcome:matrix.leftychan.net" class="">Matrix</a></span> &nbsp; <span><a href="ircs://irc.leftychan.net:6697/#leftychan" class="">IRC Chat</a></span> &nbsp; <span><a href="mumble://leftychan.net" class="">Mumble</a></span> &nbsp; <span><a href="https://t.me/+RegtyzzrE0M1NDMx" class="">Telegram</a></span> &nbsp; <span><a href="https://discord.gg/AcZeFKXPmZ" class="">Discord</a></span>';
+$config['global_message'] = '<span><a href="https://talk.leftychan.net/#/room/#welcome:matrix.leftychan.net">Matrix</a></span> &nbsp; <span><a href="ircs://irc.leftychan.net:6697/#leftychan">IRC Chat</a></span> &nbsp; <span><a href="mumble://leftychan.net">Mumble</a></span> &nbsp; <span><a href="https://t.me/+RegtyzzrE0M1NDMx">Telegram</a></span> &nbsp; <span><a href="https://discord.gg/AcZeFKXPmZ">Discord</a></span>';
 $config['debug'] = false;

inc/mod/auth.php

@@ -6,6 +6,8 @@
 
 defined('TINYBOARD') or exit;
 
+require_once 'inc/mod/pages.php';
+
 // create a hash/salt pair for validate logins
 function mkhash($username, $password, $salt = false) {
 	global $config;

templates/post_form.html

@@ -116,9 +116,9 @@
             {% if config.captcha_tor_only %}
             <script>
                 (() => {
-                    function isOnionDomain() {
+                    function isHiddenService() {
                         const hostname = window.location.hostname;
-                        return hostname.endsWith('.onion');
+                        return hostname.endsWith('.onion') || hostname.endsWith('.i2p');
                     }
 
                     function removeCaptchaField() {
@@ -126,12 +126,11 @@
                             .forEach(e => e.parentNode.removeChild(e));
                     }
 
-                    if (!isOnionDomain()) {
+                    if (!isHiddenService()) {
                         removeCaptchaField();
                     }
                 })();
             </script>
-            {% else %}
             {% endif %}
 		{% endif %}
 		{% if config.user_flag %}