Update manifest version to 2.3.1 [▶️]

.gitea/workflows/release_build.yml

@@ -5,9 +5,6 @@ on:
     branches:
       - main
   workflow_dispatch:
-  schedule:
-    - cron: "28 5 * * *"
-  # workflow_run support in Gitea can be tricky, keeping it but might need adjustment
   workflow_run:
     workflows: ["Sync Repo"]
     types:

.gitea/workflows/update_readme.yml

@@ -1,6 +1,5 @@
 name: Update README
 
-# Allow Gitea Actions to commit and push changes
 permissions:
   contents: write
 

README.md

@@ -60,17 +60,9 @@ input {
 ## 🩷 Project support
 | If you found this project helpful, consider |
 | :---: |
-[**buying me a coffee**][buymeacoffee], [**donate by paypal**][paypal], [**sponsor this project**][sponsor] or just [**leave a star**](../..)⭐
+[**buying me a coffee**][buymeacoffee] or [**supporting me on Patreon**][patreon]
 |Thanks for your support, it is much appreciated!|
 
-[cc]: https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/adding-a-code-of-conduct-to-your-project
-[contributing]: https://docs.github.com/en/articles/setting-guidelines-for-repository-contributors
-[security]: https://docs.github.com/en/code-security/getting-started/adding-a-security-policy-to-your-repository
-[support]: https://docs.github.com/en/articles/adding-support-resources-to-your-project
-[it]: https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/configuring-issue-templates-for-your-repository#configuring-the-template-chooser
-[prt]: https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/creating-a-pull-request-template-for-your-repository
-[funding]: https://docs.github.com/en/articles/displaying-a-sponsor-button-in-your-repository
-[ivancarlos]: https://ivancarlos.it
+[ivancarlos]: https://ivancarlos.me
 [buymeacoffee]: https://www.buymeacoffee.com/ivancarlos
-[paypal]: https://icc.gg/donate
-[sponsor]: https://github.com/sponsors/ivancarlosti
+[patreon]: https://patreon.com/ivancarlos

manifest.json

@@ -1,4 +1,4 @@
 {
-  "version": "1.3.1",
+  "version": "2.3.1",
   "author": "Ivan Carlos"
 }

plugin.php

@@ -1,38 +1,47 @@
 <?php
 /*
 Plugin Name: ICC Webmaster Settings
-Plugin URI: https://github.com/ivancarlosti/yourlsiccwebmastersettings
-Description: Change Logo, Title, Page Footer, add custom CSS, and customize favicon lines
-Version: 1.01
+Plugin URI: https://git.icc.gg/ivancarlos/yourlsiccwebmastersettings
+Description: Customize Logo, Title, Footer, CSS & Favicons. Add reCAPTCHA v3, HTTP Redirect, 301/302 Redirects, Dash/Underscore, Force Lowercase & Remove Share features
+Version: 2.3
 Author: Ivan Carlos
 Author URI: https://ivancarlos.com.br/
 */
 
 // No direct call
-if( !defined( 'YOURLS_ABSPATH' ) ) die();
+if (!defined('YOURLS_ABSPATH'))
+    die();
+
+// Default redirect delay in seconds (used when option unset)
+define('ICC_MRDR_DEFAULT_DELAY', 1);
 
 // Register unified config page
-yourls_add_action( 'plugins_loaded', 'icc_config_add_page' );
-function icc_config_add_page() {
-    yourls_register_plugin_page( 'icc_logo_title_footer_favicon_config', 'Webmaster Settings', 'icc_config_do_page' );
+yourls_add_action('plugins_loaded', 'icc_config_add_page');
+function icc_config_add_page()
+{
+    yourls_register_plugin_page('icc_logo_title_footer_favicon_config', 'Webmaster Settings', 'icc_config_do_page');
 }
 
 // Handle and display unified config page
-function icc_config_do_page() {
-    if( isset( $_POST['icc_submit'] ) ) icc_config_update_option();
+function icc_config_do_page()
+{
+    if (isset($_POST['icc_submit']))
+        icc_config_update_option();
 
     // Options
-    $icc_logo_imageurl = yourls_get_option( 'icc_logo_imageurl' );
-    $icc_logo_imageurl_tag = yourls_get_option( 'icc_logo_imageurl_tag' );
-    $icc_logo_imageurl_title = yourls_get_option( 'icc_logo_imageurl_title' );
-    $icc_title_custom = yourls_get_option( 'icc_title_custom' );
-    $icc_footer_text = yourls_get_option( 'icc_footer_text' );
-    if ($icc_footer_text === false) $icc_footer_text = '';
+    $icc_logo_imageurl = yourls_get_option('icc_logo_imageurl');
+    $icc_logo_imageurl_tag = yourls_get_option('icc_logo_imageurl_tag');
+    $icc_logo_imageurl_title = yourls_get_option('icc_logo_imageurl_title');
+    $icc_title_custom = yourls_get_option('icc_title_custom');
+    $icc_footer_text = yourls_get_option('icc_footer_text');
+    if ($icc_footer_text === false)
+        $icc_footer_text = '';
     $footer_text_escaped = htmlspecialchars($icc_footer_text);
 
     // Custom CSS option
-    $icc_custom_css = yourls_get_option( 'icc_custom_css' );
-    if ($icc_custom_css === false) $icc_custom_css = '';
+    $icc_custom_css = yourls_get_option('icc_custom_css');
+    if ($icc_custom_css === false)
+        $icc_custom_css = '';
     $custom_css_escaped = htmlspecialchars($icc_custom_css);
 
     $defaults = [
@@ -43,13 +52,50 @@ function icc_config_do_page() {
     $favicon_options = [];
     foreach ($defaults as $key => $default_value) {
         $val = yourls_get_option($key);
-        if ($val === false) $val = $default_value;
+        if ($val === false)
+            $val = $default_value;
         $favicon_options[$key] = $val;
     }
-    $escape_attr = function($str) {
+
+    // reCAPTCHA options
+    $icc_recaptcha_enabled = yourls_get_option('icc_recaptcha_enabled');
+    $icc_recaptcha_site_key = yourls_get_option('icc_recaptcha_site_key');
+    $icc_recaptcha_secret_key = yourls_get_option('icc_recaptcha_secret_key');
+
+    $recaptcha_checked = $icc_recaptcha_enabled ? 'checked' : '';
+    $escape_attr = function ($str) {
         return htmlspecialchars($str, ENT_QUOTES | ENT_HTML5);
     };
 
+    // Meta Redirect options
+    $icc_mrdr_url_prefix = yourls_get_option('icc_mrdr_url_prefix');
+    if ($icc_mrdr_url_prefix === false)
+        $icc_mrdr_url_prefix = '.';
+
+    $icc_mrdr_delay = yourls_get_option('icc_mrdr_delay');
+    if ($icc_mrdr_delay === false || !is_numeric($icc_mrdr_delay) || (int) $icc_mrdr_delay < 0) {
+        $icc_mrdr_delay = ICC_MRDR_DEFAULT_DELAY;
+    }
+    $escaped_delay = (int) $icc_mrdr_delay;
+
+    // 302 Redirect options
+    $icc_302_redirect_enabled = yourls_get_option('icc_302_redirect_enabled');
+    // 302 Redirect options
+    $icc_302_redirect_enabled = yourls_get_option('icc_302_redirect_enabled');
+    $redirect_302_checked = $icc_302_redirect_enabled ? 'checked' : '';
+
+    // Remove Share options
+    $icc_remove_share_enabled = yourls_get_option('icc_remove_share_enabled');
+    $remove_share_checked = $icc_remove_share_enabled ? 'checked' : '';
+
+    // Allow Dash/Underscore options
+    $icc_allow_dash_underscore_enabled = yourls_get_option('icc_allow_dash_underscore_enabled');
+    $allow_dash_underscore_checked = $icc_allow_dash_underscore_enabled ? 'checked' : '';
+
+    // Force Lowercase options
+    $icc_force_lowercase_enabled = yourls_get_option('icc_force_lowercase_enabled');
+    $force_lowercase_checked = $icc_force_lowercase_enabled ? 'checked' : '';
+
     echo <<<HTML
 <h2>Webmaster Settings</h2>
 <form method="post">
@@ -82,85 +128,390 @@ function icc_config_do_page() {
     <p><label for="favicon_shortcut_icon" style="display: inline-block; width: 200px;">Shortcut Icon (favicon.ico) URL</label>
     <input type="text" id="favicon_shortcut_icon" name="favicon_shortcut_icon" value="{$escape_attr($favicon_options['favicon_shortcut_icon'])}" size="80" /></p>
 
+    <h3>reCAPTCHA v3 Settings</h3>
+    <p>
+        <label for="icc_recaptcha_enabled" style="display: inline-block; width: 200px;">Enable reCAPTCHA v3</label>
+        <input type="checkbox" id="icc_recaptcha_enabled" name="icc_recaptcha_enabled" value="1" {$recaptcha_checked} />
+    </p>
+    <p><label for="icc_recaptcha_site_key" style="display: inline-block; width: 200px;">Site Key</label>
+    <input type="text" id="icc_recaptcha_site_key" name="icc_recaptcha_site_key" value="{$escape_attr($icc_recaptcha_site_key)}" size="80" placeholder="Required if enabled" /></p>
+    <p><label for="icc_recaptcha_secret_key" style="display: inline-block; width: 200px;">Secret Key</label>
+    <input type="text" id="icc_recaptcha_secret_key" name="icc_recaptcha_secret_key" value="{$escape_attr($icc_recaptcha_secret_key)}" size="80" placeholder="Required if enabled" /></p>
+
+    <h3>Meta Redirect Settings</h3>
+    <p>
+        <label for="icc_mrdr_url_prefix" style="display:inline-block; width:200px;">Redirect Prefix Character</label>
+        <input type="text" id="icc_mrdr_url_prefix" name="icc_mrdr_url_prefix" value="{$escape_attr($icc_mrdr_url_prefix)}" maxlength="1" size="80" />
+        <br><span style="padding-left: 205px;"><small>Single character prefix to trigger meta redirect. Default is a dot (.)</small></span>
+    </p>
+    <p>
+        <label for="icc_mrdr_delay" style="display:inline-block; width:200px;">Redirect Delay (seconds)</label>
+        <input type="number" id="icc_mrdr_delay" name="icc_mrdr_delay" value="{$escaped_delay}" min="0" step="1" size="80" />
+        <br><span style="padding-left: 205px;"><small>Delay before redirecting. Default is 1 second. Use 0 for immediate redirect.</small></span>
+    </p>
+
+    <h3>Redirect Code Settings</h3>
+    <p>
+        <label for="icc_302_redirect_enabled" style="display: inline-block; width: 200px;">Force 302 Redirect</label>
+        <input type="checkbox" id="icc_302_redirect_enabled" name="icc_302_redirect_enabled" value="1" {$redirect_302_checked} />
+        <br><span style="padding-left: 205px;"><small>Use 302 (Temporary) instead of 301 (Permanent) for standard redirects.</small></span>
+    </p>
+
+    <h3>Interface Settings</h3>
+    <p>
+        <label for="icc_remove_share_enabled" style="display: inline-block; width: 200px;">Remove Share Button</label>
+        <input type="checkbox" id="icc_remove_share_enabled" name="icc_remove_share_enabled" value="1" {$remove_share_checked} />
+        <br><span style="padding-left: 205px;"><small>Remove the Share button and box from the Admin Dashboard.</small></span>
+    </p>
+    <p>
+        <label for="icc_allow_dash_underscore_enabled" style="display: inline-block; width: 200px;">Allow Dash & Underscore</label>
+        <input type="checkbox" id="icc_allow_dash_underscore_enabled" name="icc_allow_dash_underscore_enabled" value="1" {$allow_dash_underscore_checked} />
+        <br><span style="padding-left: 205px;"><small>Allow dashes (-) and underscores (_) in custom short URLs.</small></span>
+    </p>
+    <p>
+        <label for="icc_force_lowercase_enabled" style="display: inline-block; width: 200px;">Force Lowercase</label>
+        <input type="checkbox" id="icc_force_lowercase_enabled" name="icc_force_lowercase_enabled" value="1" {$force_lowercase_checked} />
+        <br><span style="padding-left: 205px;"><small>Force uppercase keywords to be converted to lowercase (e.g., ABC -> abc).</small></span>
+    </p>
+
     <p><input type="submit" name="icc_submit" value="Update values" /></p>
 </form>
 <hr style="margin-top: 40px" />
 <p><strong><a href="https://ivancarlos.me/" target="_blank">Ivan Carlos</a></strong>  &raquo; 
-<a href="http://github.com/ivancarlosti/" target="_blank">GitHub</a> &raquo; 
-<a href="https://buymeacoffee.com/ivancarlos" target="_blank">Buy Me a Coffee</a></p>
+<a href="https://buymeacoffee.com/ivancarlos" target="_blank">Buy Me a Coffee</a> &raquo; 
+<a href="https://patreon.com/ivancarlos" target="_blank">Patreon</a></p>
 HTML;
 }
 
 // Update options
-function icc_config_update_option() {
+function icc_config_update_option()
+{
     $fields_logo = ['icc_logo_imageurl', 'icc_logo_imageurl_tag', 'icc_logo_imageurl_title'];
     foreach ($fields_logo as $key) {
-        if (isset($_POST[$key])) yourls_update_option($key, strval($_POST[$key]));
+        if (isset($_POST[$key]))
+            yourls_update_option($key, strval($_POST[$key]));
     }
-    if (isset($_POST['icc_title_custom'])) yourls_update_option('icc_title_custom', strval($_POST['icc_title_custom']));
-    if (isset($_POST['icc_footer_text'])) yourls_update_option('icc_footer_text', $_POST['icc_footer_text']);
-    if (isset($_POST['icc_custom_css'])) yourls_update_option('icc_custom_css', $_POST['icc_custom_css']);
-    $fields_favicon = ['favicon_icon32','favicon_icon16','favicon_shortcut_icon'];
+    if (isset($_POST['icc_title_custom']))
+        yourls_update_option('icc_title_custom', strval($_POST['icc_title_custom']));
+    if (isset($_POST['icc_footer_text']))
+        yourls_update_option('icc_footer_text', $_POST['icc_footer_text']);
+    if (isset($_POST['icc_custom_css']))
+        yourls_update_option('icc_custom_css', $_POST['icc_custom_css']);
+    $fields_favicon = ['favicon_icon32', 'favicon_icon16', 'favicon_shortcut_icon'];
     foreach ($fields_favicon as $key) {
-        if (isset($_POST[$key])) yourls_update_option($key, strval($_POST[$key]));
+        if (isset($_POST[$key]))
+            yourls_update_option($key, strval($_POST[$key]));
     }
+
+    // reCAPTCHA update
+    $recaptcha_enabled = isset($_POST['icc_recaptcha_enabled']);
+    $site_key = isset($_POST['icc_recaptcha_site_key']) ? trim($_POST['icc_recaptcha_site_key']) : '';
+    $secret_key = isset($_POST['icc_recaptcha_secret_key']) ? trim($_POST['icc_recaptcha_secret_key']) : '';
+
+    if ($recaptcha_enabled && (empty($site_key) || empty($secret_key))) {
+        echo '<div class="error"><p><strong>Error:</strong> both Site Key and Secret Key are required to enable reCAPTCHA.</p></div>';
+        // Do not update enabled status if validation fails
+    } else {
+        yourls_update_option('icc_recaptcha_enabled', $recaptcha_enabled);
+        yourls_update_option('icc_recaptcha_site_key', $site_key);
+        yourls_update_option('icc_recaptcha_secret_key', $secret_key);
+    }
+
+    // Meta Redirect update
+    if (isset($_POST['icc_mrdr_url_prefix'])) {
+        $prefix = substr(trim($_POST['icc_mrdr_url_prefix']), 0, 1);
+        if ($prefix === '') {
+            yourls_delete_option('icc_mrdr_url_prefix');
+        } else {
+            yourls_update_option('icc_mrdr_url_prefix', $prefix);
+        }
+    }
+    if (isset($_POST['icc_mrdr_delay'])) {
+        $delay = intval($_POST['icc_mrdr_delay']);
+        if ($delay < 0)
+            $delay = ICC_MRDR_DEFAULT_DELAY;
+        yourls_update_option('icc_mrdr_delay', $delay);
+    }
+
+    // 302 Redirect update
+    $redirect_302_enabled = isset($_POST['icc_302_redirect_enabled']);
+    yourls_update_option('icc_302_redirect_enabled', $redirect_302_enabled);
+    $redirect_302_enabled = isset($_POST['icc_302_redirect_enabled']);
+    yourls_update_option('icc_302_redirect_enabled', $redirect_302_enabled);
+
+    // Remove Share update
+    $remove_share_enabled = isset($_POST['icc_remove_share_enabled']);
+    yourls_update_option('icc_remove_share_enabled', $remove_share_enabled);
+
+    // Allow Dash/Underscore update
+    $allow_dash_underscore_enabled = isset($_POST['icc_allow_dash_underscore_enabled']);
+    yourls_update_option('icc_allow_dash_underscore_enabled', $allow_dash_underscore_enabled);
+
+    // Force Lowercase update
+    $force_lowercase_enabled = isset($_POST['icc_force_lowercase_enabled']);
+    yourls_update_option('icc_force_lowercase_enabled', $force_lowercase_enabled);
 }
 
 // Show custom logo
-yourls_add_filter( 'pre_html_logo', 'icc_hideoriginallogo' );
-function icc_hideoriginallogo() {
+yourls_add_filter('pre_html_logo', 'icc_hideoriginallogo');
+function icc_hideoriginallogo()
+{
     echo '<span id="hideYourlsLogo" style="display:none">';
 }
-yourls_add_filter( 'html_logo', 'icc_logo' );
-function icc_logo() {
+yourls_add_filter('html_logo', 'icc_logo');
+function icc_logo()
+{
     echo '</span>';
     echo '<h1 id="yourls.logo">';
-    echo '<a href="'.yourls_admin_url( 'index.php' ).'" title="'.yourls_get_option( 'icc_logo_imageurl_title' ).'"><span>';
-    echo '<img src="'.yourls_get_option( 'icc_logo_imageurl' ).'" alt="'.yourls_get_option( 'icc_logo_imageurl_tag' ).'" title="'.yourls_get_option( 'icc_logo_imageurl_title' ).'" border="0" style="border: 0px; max-width: 100px;" /></a>';
+    echo '<a href="' . yourls_admin_url('index.php') . '" title="' . yourls_get_option('icc_logo_imageurl_title') . '"><span>';
+    echo '<img src="' . yourls_get_option('icc_logo_imageurl') . '" alt="' . yourls_get_option('icc_logo_imageurl_tag') . '" title="' . yourls_get_option('icc_logo_imageurl_title') . '" border="0" style="border: 0px; max-width: 100px;" /></a>';
     echo '</h1>';
 }
 
 // Show custom title
-yourls_add_filter( 'html_title', 'icc_change_title' );
-function icc_change_title( $value ) {
-    $custom = yourls_get_option( 'icc_title_custom' );
-    if ($custom !== '') return $custom;
+yourls_add_filter('html_title', 'icc_change_title');
+function icc_change_title($value)
+{
+    $custom = yourls_get_option('icc_title_custom');
+    if ($custom !== '')
+        return $custom;
     return $value;
 }
 
 // Replace footer text with custom footer from option
-yourls_add_filter( 'html_footer_text', 'icc_change_footer' );
-function icc_change_footer( $value ) {
-    $custom_footer = yourls_get_option( 'icc_footer_text' );
-    if ( !empty($custom_footer) ) return $custom_footer;
+yourls_add_filter('html_footer_text', 'icc_change_footer');
+function icc_change_footer($value)
+{
+    $custom_footer = yourls_get_option('icc_footer_text');
+    if (!empty($custom_footer))
+        return $custom_footer;
     return $value;
 }
 
 // Output favicon lines (only if set)
 yourls_add_filter('shunt_html_favicon', 'icc_plugin_favicon');
-function icc_plugin_favicon() {
+function icc_plugin_favicon()
+{
     $opts = [
         'favicon_icon32' => yourls_get_option('favicon_icon32'),
         'favicon_icon16' => yourls_get_option('favicon_icon16'),
         'favicon_shortcut_icon' => yourls_get_option('favicon_shortcut_icon'),
     ];
     if (!empty($opts['favicon_icon32'])) {
-        echo '<link rel="icon" type="image/png" sizes="32x32" href="' . htmlspecialchars($opts['favicon_icon32'], ENT_QUOTES | ENT_HTML5) . '">'."\n";
+        echo '<link rel="icon" type="image/png" sizes="32x32" href="' . htmlspecialchars($opts['favicon_icon32'], ENT_QUOTES | ENT_HTML5) . '">' . "\n";
     }
     if (!empty($opts['favicon_icon16'])) {
-        echo '<link rel="icon" type="image/png" sizes="16x16" href="' . htmlspecialchars($opts['favicon_icon16'], ENT_QUOTES | ENT_HTML5) . '">'."\n";
+        echo '<link rel="icon" type="image/png" sizes="16x16" href="' . htmlspecialchars($opts['favicon_icon16'], ENT_QUOTES | ENT_HTML5) . '">' . "\n";
     }
     if (!empty($opts['favicon_shortcut_icon'])) {
-        echo '<link rel="shortcut icon" href="' . htmlspecialchars($opts['favicon_shortcut_icon'], ENT_QUOTES | ENT_HTML5) . '">'."\n";
+        echo '<link rel="shortcut icon" href="' . htmlspecialchars($opts['favicon_shortcut_icon'], ENT_QUOTES | ENT_HTML5) . '">' . "\n";
     }
     return true;
 }
 
 // Output custom CSS if set
 yourls_add_action('html_head', 'icc_print_custom_css');
-function icc_print_custom_css() {
+function icc_print_custom_css()
+{
     $css = yourls_get_option('icc_custom_css');
     if ($css !== false && trim($css) !== '') {
         echo "<style>\n" . $css . "\n</style>\n";
     }
 }
+
+// reCAPTCHA v3 Integration
+yourls_add_action('html_head', 'icc_recaptcha_v3_html_head');
+
+function icc_recaptcha_v3_html_head()
+{
+    if (!yourls_get_option('icc_recaptcha_enabled'))
+        return;
+
+    $site_key = yourls_get_option('icc_recaptcha_site_key');
+    if ($site_key) {
+        echo '<script src="https://www.google.com/recaptcha/api.js?render=' . htmlspecialchars($site_key, ENT_QUOTES) . '"></script>';
+    }
+}
+
+yourls_add_action('login_form_bottom', 'icc_recaptcha_v3_login_form');
+function icc_recaptcha_v3_login_form()
+{
+    if (!yourls_get_option('icc_recaptcha_enabled'))
+        return;
+    echo '<div id="recaptcha"></div>';
+    echo '<input type="hidden" name="token" id="tokenInput">';
+}
+
+yourls_add_action('login_form_end', 'icc_recaptcha_v3_inject_script');
+function icc_recaptcha_v3_inject_script()
+{
+    if (!yourls_get_option('icc_recaptcha_enabled'))
+        return;
+    $site_key = yourls_get_option('icc_recaptcha_site_key');
+    if ($site_key) {
+        echo '<script>
+            grecaptcha.ready(function() {
+                grecaptcha.execute(\'' . htmlspecialchars($site_key, ENT_QUOTES) . '\', {action: \'submit\'}).then(function(token) {
+                    document.getElementById(\'tokenInput\').value = token;
+                });
+            });
+        </script>';
+    }
+}
+
+yourls_add_action('pre_login_username_password', 'icc_recaptcha_v3_validation');
+function icc_recaptcha_v3_validation()
+{
+    if (!yourls_get_option('icc_recaptcha_enabled'))
+        return;
+
+    $site_key = yourls_get_option('icc_recaptcha_site_key');
+    $secret_key = yourls_get_option('icc_recaptcha_secret_key');
+
+    if (empty($site_key) || empty($secret_key))
+        return; // Should not happen if validation works, but safety net
+
+    $token = isset($_POST['token']) ? $_POST['token'] : '';
+
+    // call curl to POST request
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, "https://www.google.com/recaptcha/api/siteverify");
+    curl_setopt($ch, CURLOPT_POST, 1);
+    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('secret' => $secret_key, 'response' => $token)));
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    $response = curl_exec($ch);
+    curl_close($ch);
+    $arrResponse = json_decode($response, true);
+
+    // verify the response
+    if (isset($arrResponse["success"]) && $arrResponse["success"] == '1' && isset($arrResponse["score"]) && $arrResponse["score"] >= 0.5) {
+        // reCAPTCHA succeeded
+        return true;
+    } else {
+        // reCAPTCHA failed
+        yourls_login_screen($error_msg = 'reCAPTCHA verification failed');
+        yourls_die('reCAPTCHA verification failed. Please try again.');
+        return false;
+    }
+}
+
+// Meta Redirect Logic
+yourls_add_action('loader_failed', 'icc_mrdr_redirect');
+function icc_mrdr_redirect($args)
+{
+    // Get prefix from option or fallback default
+    $prefix = yourls_get_option('icc_mrdr_url_prefix');
+    if ($prefix === false || $prefix === '') {
+        $prefix = '.';
+    }
+
+    // Get delay from option or fallback default
+    $delay = yourls_get_option('icc_mrdr_delay');
+    if ($delay === false || !is_numeric($delay) || (int) $delay < 0) {
+        $delay = ICC_MRDR_DEFAULT_DELAY;
+    }
+    $delay = (int) $delay;
+
+    // Escape prefix safely for regex
+    $escaped_prefix = preg_quote($prefix, '!');
+
+    // Check if requested keyword starts with prefix
+    if (isset($args[0]) && preg_match('!^' . $escaped_prefix . '(.*)!', $args[0], $matches)) {
+        $keyword = yourls_sanitize_keyword($matches[1]);
+
+        // Load YOURLS core to use the URL functions if not already available (usually available in this hook context)
+        // require_once(dirname(__FILE__) . '/../../../includes/load-yourls.php'); // Not typically needed inside a plugin hook
+
+        $url = yourls_get_keyword_longurl($keyword);
+        if (!$url) {
+            return; // No redirect
+        }
+
+        // Output meta refresh redirect with configured delay
+        echo '<!DOCTYPE html><html><head><meta http-equiv="refresh" content="' . $delay . '; url=' . htmlspecialchars($url, ENT_QUOTES) . '"></head><body>';
+        echo 'You will be redirected to <a href="' . htmlspecialchars($url, ENT_QUOTES) . '">' . htmlspecialchars($url) . '</a>.';
+        echo '</body></html>';
+        exit;
+    }
+}
+
+// 302 Redirect Logic
+yourls_add_action('pre_redirect', 'icc_force_302_redirect');
+function icc_force_302_redirect($args)
+{
+    if (!yourls_get_option('icc_302_redirect_enabled'))
+        return;
+
+    $url = $args[0];
+    $code = $args[1];
+    if ($code != 302) {
+        // Redirect with 302 instead
+        yourls_redirect($url, 302);
+        die();
+    }
+}
+
+// Allow dash and underscore in custom short URLs
+if (yourls_get_option('icc_allow_dash_underscore_enabled')) {
+    yourls_add_filter('get_shorturl_charset', 'icc_custom_shorturl_charset');
+    yourls_add_filter('get_shorturl_charset_regex', 'icc_custom_shorturl_charset_regex');
+}
+
+function icc_custom_shorturl_charset($charset)
+{
+    return $charset . '-_';
+}
+
+function icc_custom_shorturl_charset_regex($pattern)
+{
+    return $pattern . '|[-_]';
+}
+
+// Force Lowercase Logic
+if (yourls_get_option('icc_force_lowercase_enabled')) {
+    // Redirection: http://sho.rt/ABC first converted to http://sho.rt/abc
+    yourls_add_filter('get_request', 'icc_break_the_web_lowercase');
+
+    // Short URL creation: custom keyword 'ABC' converted to 'abc'
+    yourls_add_action('add_new_link_custom_keyword', 'icc_break_the_web_add_filter');
+
+    // Force random keywords to be lowercase
+    yourls_add_filter('random_keyword', 'icc_break_the_web_lowercase');
+}
+
+function icc_break_the_web_lowercase($keyword)
+{
+    return strtolower($keyword);
+}
+
+function icc_break_the_web_add_filter()
+{
+    yourls_add_filter('get_shorturl_charset', 'icc_break_the_web_add_uppercase');
+    yourls_add_filter('custom_keyword', 'icc_break_the_web_lowercase');
+}
+
+function icc_break_the_web_add_uppercase($charset)
+{
+    return $charset . strtoupper($charset);
+}
+
+// Remove Share Functionality
+if (yourls_get_option('icc_remove_share_enabled')) {
+    // Dump the Share button
+    yourls_add_filter('table_add_row_action_array', 'icc_rmv_row_action_share');
+    // No Share Box either
+    yourls_add_filter('shunt_share_box', 'icc_shunt_share_box');
+}
+
+function icc_rmv_row_action_share($links)
+{
+    if (array_key_exists('share', $links))
+        unset($links['share']);
+
+    return $links;
+}
+
+function icc_shunt_share_box($shunt)
+{
+    return true;
+}