Release 1.4.0

Added disable-checkout-and-limit-login.php

Author: jordantrizz

CHANGELOG.md

@@ -1,4 +1,8 @@
 # Changelog
+## Release 1.4.0
+* Added disable-checkout-and-limit-login.php
+
+
 ## Release 1.3.9
 * feat(debug): Added wp-redirect-log.php mu-plugin
 

README-snippets.md

@@ -10,6 +10,7 @@
 | Title | Type | Status | Description |
 | ----- | ---- | ------ | ----------- |
 | [Change Admin Email](./admin/change-admin-email.php) | mu-plugin | :white_check_mark: | Changes the admin email address if it hasn't been changed already without triggering email validation. |
+| [Disable WooCommerce Checkout & Restrict Logins to Admins](./admin/disable-checkout-and-limit-login.php) | mu-plugin | :white_check_mark: | Disables WooCommerce checkout and blocks login for all users except administrators. |
 | [log-admin-notices.php](./admin/log-admin-notices.php) | snippet | :white_check_mark: | Log's admin notices on admin_init, great for finding admin_notices to hide. |
 | [mu-dashboard-shortcode.php](./admin/mu-dashboard-shortcode.php) | snippet | :construction: | Unsure what the usage of this snippet is. |
 

README.md

@@ -24,6 +24,7 @@ The status field is used to indicate the current status of the snippet. This is
 | Title | Type | Status | Description |
 | ----- | ---- | ------ | ----------- |
 | [Change Admin Email](./admin/change-admin-email.php) | mu-plugin | :white_check_mark: | Changes the admin email address if it hasn't been changed already without triggering email validation. |
+| [Disable WooCommerce Checkout & Restrict Logins to Admins](./admin/disable-checkout-and-limit-login.php) | mu-plugin | :white_check_mark: | Disables WooCommerce checkout and blocks login for all users except administrators. |
 | [log-admin-notices.php](./admin/log-admin-notices.php) | snippet | :white_check_mark: | Log's admin notices on admin_init, great for finding admin_notices to hide. |
 | [mu-dashboard-shortcode.php](./admin/mu-dashboard-shortcode.php) | snippet | :construction: | Unsure what the usage of this snippet is. |
 
@@ -138,6 +139,10 @@ The status field is used to indicate the current status of the snippet. This is
 | [Failover Status Monitor](./wp-failover/wp-failover.php) | Plugin | :white_check_mark: | Monitors failover status and provides notifications. |
 
 # Changelog
+## Release 1.4.0
+* Added disable-checkout-and-limit-login.php
+
+
 ## Release 1.3.9
 * feat(debug): Added wp-redirect-log.php mu-plugin
 

admin/disable-checkout-and-limit-login.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * Plugin Name: Disable WooCommerce Checkout & Restrict Logins to Admins
+ * Description: Disables WooCommerce checkout and blocks login for all users except administrators.
+ * Type: mu-plugin
+ * Status: Complete
+*/
+
+// Block checkout by redirecting to cart with disabled message
+add_action('template_redirect', function () {
+    if (function_exists('is_checkout') && is_checkout() && !current_user_can('manage_options')) {
+        // Add notice about disabled checkout
+        wc_add_notice(__('Checkout is currently disabled due to site maintenance, please try again later.'), 'error');
+        
+        // Redirect to cart page
+        wp_redirect(wc_get_cart_url());
+        exit;
+    }
+});
+
+// Disable cart and checkout endpoints for non-admins
+add_filter('woocommerce_cart_redirect_after_error', function ($url) {
+    if (!current_user_can('manage_options')) {
+        return wc_get_cart_url();
+    }
+    return $url;
+});
+
+// Prevent non-admins from logging in
+add_action('wp_authenticate_user', function ($user) {
+    if (!user_can($user, 'administrator')) {
+        return new WP_Error('access_denied', __('Only administrators can log in at this time due to site maintenance.'));
+    }
+    return $user;
+}, 10, 1);
+
+// Optional: Show message on login page
+add_action('login_message', function () {
+    echo '<p style="color: red;">Logins are currently restricted to administrators due to site maintenance.</p>';
+});
+
+// Add warning to custom login pages (works with custom login forms)
+add_action('wp_head', function () {
+    // Check if we're on a login page (including custom login pages)
+    if (is_page('login') || strpos($_SERVER['REQUEST_URI'], '/login') !== false || is_page('log-in') || is_page('signin') || is_page('sign-in')) {
+        echo '<style>
+            .login-maintenance-warning {
+                background-color: #ffebee;
+                border: 1px solid #f44336;
+                color: #d32f2f;
+                padding: 15px;
+                margin: 20px 0;
+                border-radius: 4px;
+                text-align: center;
+                font-weight: bold;
+            }
+        </style>';
+        echo '<script>
+            document.addEventListener("DOMContentLoaded", function() {
+                var loginForm = document.querySelector("form[action*=\"login\"], .login-form, #loginform, .wp-login-form, form[name=\"loginform\"]");
+                if (loginForm) {
+                    var warningDiv = document.createElement("div");
+                    warningDiv.className = "login-maintenance-warning";
+                    warningDiv.innerHTML = "⚠️ Logins are currently restricted to administrators due to site maintenance.";
+                    loginForm.parentNode.insertBefore(warningDiv, loginForm);
+                }
+            });
+        </script>';
+    }
+});
+
+// Handle AJAX login requests (if using AJAX login)
+add_action('wp_ajax_nopriv_custom_login', function () {
+    wp_send_json_error([
+        'message' => 'Logins are currently restricted to administrators due to site maintenance.'
+    ]);
+});
+
+// Handle REST API login attempts
+add_action('rest_api_init', function () {
+    add_filter('rest_authentication_errors', function ($result) {
+        if (!is_wp_error($result) && !current_user_can('manage_options')) {
+            return new WP_Error('maintenance_mode', 'Logins are currently restricted to administrators due to site maintenance.', ['status' => 503]);
+        }
+        return $result;
+    });
+});