Enhance SWJProjects Licensing: Domain Storage Plugin, Template Override & AJAX Validation

ajax_license_checker/wt_license_checker.php

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+<?php
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Plugin\CMSPlugin;
+use Joomla\CMS\Response\JsonResponse;
+use Joomla\CMS\Factory;
+use Joomla\Database\DatabaseDriver;
+
+class PlgAjaxWt_license_checker extends CMSPlugin
+{
+    public function onAjaxWt_license_checker()
+    { 
+        Factory::getApplication()->setHeader('Content-Type', 'application/json', true);
+
+        // Get license key and domain from the request
+        $input = Factory::getApplication()->input;
+        $licenseKey = $input->getString('key', '');
+        $domain = $input->getString('domain', '');
+
+        // Validate input
+        if (empty($licenseKey) || empty($domain)) {
+            echo json_encode(['error' => 'Missing license key or domain']);
+            return;
+        }
+
+        // Query license key from the database
+        $db = Factory::getContainer()->get(DatabaseDriver::class);
+        $query = $db->getQuery(true)
+            ->select('*')
+            ->from($db->quoteName('#__swjprojects_keys'))
+            ->where($db->quoteName('key') . ' = ' . $db->quote($licenseKey));
+        $db->setQuery($query);
+        $result = $db->loadAssoc();
+
+        // If license key not found
+        if (!$result) {
+            echo json_encode(['error' => 'Invalid license key']);
+            return;
+        }
+
+        $dateEnd = $result['date_end'];
+        $allowedPlugins = isset($result['allowed_plugins']) ? $result['allowed_plugins'] : '*';
+        $registeredDomain = $result['domain'];
+
+        // Validate domain
+        $isDomainValid = $this->isAllowedDomain($registeredDomain, $domain);
+
+        // Check if license is still valid
+        $isValid = $isDomainValid && ($dateEnd == '0000-00-00 00:00:00' || strtotime($dateEnd) > time());
+
+        // Prepare response (fix it as you want)
+        $data = [
+            'domain'           => $registeredDomain,
+            'date_start'       => $result['date_start'],
+            'date_end'         => $result['date_end'],
+            'project_id'       => $result['project_id'],
+            'state'            => $result['state'],
+            'license_name'     => $result['license_name'] ?? 'Standard',
+            'expires'          => ($isValid ? 'never' : $result['date_end']),
+            'key_status'       => ($isValid ? 'Active' : 'Expired'),
+            'owner'            => $result['owner'] ?? 'N/A',
+            'license_valid'    => ($isValid ? '1' : '0'),
+            'allows_plugins'   => ($isValid ? '1' : '0'),
+            'is_trial_license' => $result['is_trial_license'] ?? '0',
+            'allowed_plugins'  => ($isValid ? $allowedPlugins : '')
+        ];
+
+        echo json_encode($data);
+        return;
+    }
+
+    /**
+     * Check if current domain is allowed (supports subdomains)
+     */
+    private function isAllowedDomain($registeredDomain, $currentDomain)
+    {
+        if (empty($registeredDomain)) {
+            return false;
+        }
+
+        $registeredDomain = parse_url('http://' . $registeredDomain, PHP_URL_HOST);
+        $currentDomain = parse_url('http://' . $currentDomain, PHP_URL_HOST);
+
+        if ($registeredDomain === $currentDomain) {
+            return true;
+        }
+
+        if (str_ends_with($currentDomain, '.' . $registeredDomain)) {
+            return true;
+        }
+
+        return false;
+    }
+}

ajax_license_checker/wt_license_checker.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<extension type="plugin" group="ajax" method="upgrade" version="4.0">
+    <name>WT License Checker</name>
+    <author>Nick Giannelis</author>
+    <version>1.0.0</version>
+    <creationDate>March 2025</creationDate>
+    <description>AJAX plugin for checking license keys in SW JProjects</description>
+    <files>
+        <filename plugin="wt_license_checker">wt_license_checker.php</filename>
+    </files>
+</extension>

plugins/system/save_domain/index.html

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+

plugins/system/save_domain/save_domain.php

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+<?php
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\CMSPlugin;
+use Joomla\Input\Json;
+
+class PlgSystemSave_Domain extends CMSPlugin
+{
+    public function onAjaxSave_domain()
+    {
+        $input = Factory::getApplication()->input;
+        $json = json_decode(file_get_contents('php://input'));
+
+        if (!isset($json->key_id) || !isset($json->domain)) {
+            return json_encode(['success' => false, 'message' => 'Missing parameters']);
+        }
+
+        // Debug log
+        file_put_contents(JPATH_SITE . '/logs/save_domain_log.txt', "Key ID: {$json->key_id}, Domain: {$json->domain}\n", FILE_APPEND);
+
+        $db = Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->update($db->quoteName('#__swjprojects_keys'))
+            ->set($db->quoteName('domain') . ' = ' . $db->quote($json->domain))
+            ->where($db->quoteName('id') . ' = ' . (int) $json->key_id);
+
+        $db->setQuery($query);
+
+        try {
+            $db->execute();
+            return json_encode(['success' => true, 'message' => 'Domain saved successfully']);
+        } catch (Exception $e) {
+            return json_encode(['success' => false, 'message' => $e->getMessage()]);
+        }
+    }
+}

plugins/system/save_domain/save_domain.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<extension type="plugin" group="system" method="upgrade" version="4.0">
+    <name>System - Save Domain</name>
+    <author>Nick Giannelis</author>
+    <version>1.0.0</version>
+    <description>Plugin to save domain for user keys</description>
+    <files>
+        <filename plugin="save_domain">save_domain.php</filename>
+    </files>
+    <config>
+    </config>
+</extension>

template_override_example/templates/cassiopeia/html/com_swjprojects/userkeys/default.php

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+<?php
+/*
+ * @package    SW JProjects
+ * @version    2.3.0
+ * @author     Sergey Tolkachyov
+ * @сopyright  Copyright (c) 2018 - 2025 Sergey Tolkachyov. All rights reserved.
+ * @license    GNU/GPL license: https://www.gnu.org/copyleft/gpl.html
+ * @link       https://web-tolk.ru
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Date\Date;
+use Joomla\Component\SWJProjects\Administrator\Helper\KeysHelper;
+
+Text::script('ERROR');
+Text::script('MESSAGE');
+Text::script('COM_SWJPROJECTS_USER_KEYS_DOMAIN_SAVED');
+
+$wa = Factory::getApplication()->getDocument()->getWebAssetManager();
+$wa->registerAndUseScript('com_swjprojects.userkeys.copykey', 'com_swjprojects/copy-userkey.js', ['version' => 'auto', 'relative' => true]);
+
+?>
+<div id="SWJProjects" class="userkeys">
+    <h1><?php echo Text::_('COM_SWJPROJECTS_USER_KEYS'); ?></h1>
+    <?php if (empty($this->items)) : ?>
+        <div class="alert alert-info">
+            <span class="icon-info-circle" aria-hidden="true"></span>
+            <span class="visually-hidden"><?php echo Text::_('INFO'); ?></span>
+            <?php echo Text::_('JGLOBAL_NO_MATCHING_RESULTS'); ?>
+        </div>
+    <?php else : ?>
+        <div class="userkeyslist">
+            <div class="d-flex flex-column">
+                <?php foreach ($this->items as $item) :
+                    $downloadAble = ($item->limit && $item->limit_count == 0) ? false : true;
+                    $date_expired = ((new Date())->toUnix() > (new Date($item->date_end))->toUnix()) ? false : true;
+                    if (!$date_expired) $downloadAble = false;
+                ?>
+                    <div class="card mb-3 <?php echo(!$downloadAble ? 'border-danger' : ''); ?>">
+                        <div class="card-body">
+                            <div class="d-flex justify-content-between mb-3">
+                                <div class="fs-5 fw-bolder bg-light p-2">
+                                    <?php if (!$downloadAble) : ?>
+                                        <i class="fa-solid fa-lock"></i> <s>
+                                    <?php else : ?>
+                                        <i class="fa-solid fa-key"></i>
+                                    <?php endif; ?>
+                                    <span><?php echo KeysHelper::maskKey($item->key); ?></span>
+                                    <?php if (!$downloadAble): ?>
+                                    </s>
+                                    <?php else : ?>
+                                        <button type="button" class="btn btn-outline-secondary btn-sm copy-key" data-key="<?php echo $item->key; ?>">
+                                            <i class="fa-solid fa-copy"></i>
+                                        </button>
+                                    <?php endif; ?>
+                                </div>
+                            </div>
+
+                            <!-- NEW DOMAIN FIELD -->
+                            <div class="mb-3">
+                                <label for="domain-<?php echo $item->id; ?>" class="form-label">
+                                    <?php echo Text::_('COM_SWJPROJECTS_USER_KEYS_DOMAIN'); ?>
+                                </label>
+                                <input type="text" class="form-control domain-input" id="domain-<?php echo $item->id; ?>"
+                                       value="<?php echo htmlspecialchars($item->domain); ?>" data-keyid="<?php echo $item->id; ?>">
+                                <button class="btn btn-success mt-2 save-domain" data-keyid="<?php echo $item->id; ?>">
+                                    <?php echo Text::_('JSAVE'); ?>
+                                </button>
+                            </div>
+
+                        </div>
+                    </div>
+                <?php endforeach ?>
+            </div>
+        </div>
+    <?php endif; ?>
+</div>
+
+<script>
+document.addEventListener('DOMContentLoaded', function () {
+    document.querySelectorAll('.save-domain').forEach(button => {
+        button.addEventListener('click', function () {
+            let keyId = this.getAttribute('data-keyid');
+            let domainInput = document.querySelector('#domain-' + keyId);
+            let domain = domainInput.value.trim();
+
+            if (domain === '') {
+                alert('<?php echo Text::_('COM_SWJPROJECTS_USER_KEYS_DOMAIN_REQUIRED'); ?>');
+                return;
+            }
+
+            fetch('index.php?option=com_ajax&plugin=save_domain&format=json', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({
+                    key_id: keyId,
+                    domain: domain
+                })
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    alert('<?php echo Text::_('COM_SWJPROJECTS_USER_KEYS_DOMAIN_SAVED'); ?>');
+                } else {
+                    alert('<?php echo Text::_('COM_SWJPROJECTS_USER_KEYS_DOMAIN_ERROR'); ?>');
+                }
+            })
+            .catch(error => console.error('Error:', error));
+        });
+    });
+});
+</script>