Add connection module

core/admin/connection/index.php

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+<?php
+use Classes\StatsHelper;
+use Connection\Common\ConnectionService;
+
+$moduleName = 'connection';
+$moduleGroup = 'admin';
+define('MODULE_PATH',dirname(__FILE__));
+include APP_BASE_PATH.'header.php';
+include APP_BASE_PATH.'modulejslibs.inc.php';
+
+$isIceHrmPro = false;
+if (class_exists('\\Classes\\ProVersion')) {
+    $data = \Classes\ProVersion::$data;
+    $isIceHrmPro = true;
+    $data = json_decode($data, true);
+}
+
+$employeeCount = StatsHelper::getEmployeeCount();
+$userCount = StatsHelper::getUserCount();
+$connectionService = new ConnectionService();
+?><div class="span9">
+
+    <ul class="nav nav-tabs" id="modTab" style="margin-bottom:0px;margin-left:5px;border-bottom: none;">
+        <li class="active"><a id="tabConnection" href="#tabConnection"><?=t('Connection')?></a></li>
+    </ul>
+
+    <div class="tab-content">
+        <div class="tab-pane active" id="tabConnection">
+            <div class="reviewBlock" data-content="List">
+                <div id="connectionData"></div>
+            </div>
+        </div>
+    </div>
+
+</div>
+<div id="dataGroup"></div>
+<?php
+$moduleData = [
+    'user_level' => $user->user_level,
+    'components' => [
+            'employeeCount' => [
+                    'isIceHrmPro' => $isIceHrmPro,
+                    'count' => $employeeCount,
+                    'allowed' => $isIceHrmPro ? intval($data['employees']) : 'N/A',
+                    'validUntil' => $data['licenseActivated'],
+                    'licenseId' => $data['key'],
+            ],
+            'systemData' => [
+                    'data' => $connectionService->getSystemReport(),
+                    'issues' => $connectionService->getSystemErrors(),
+            ],
+    ]
+];
+?>
+<script>
+  initAdminConnection(<?=json_encode($moduleData)?>);
+</script>
+<?php include APP_BASE_PATH.'footer.php';?>
+

core/admin/connection/meta.json

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+{
+    "label": "Ice Connect",
+    "menu": "System",
+    "order": "9",
+    "icon": "fa-wifi",
+    "user_levels": [
+        "Admin"
+    ],
+    "permissions": [],
+    "model_namespace": "\\Connection\\Common\\Model",
+    "manager": "\\Connection\\Admin\\Api\\ConnectionAdminManager"
+}

core/src/Connection/Admin/Api/ConnectionActionManager.php

@@ -0,0 +1,9 @@
+<?php
+namespace Connection\Admin\Api;
+
+use Classes\SubActionManager;
+
+class ConnectionActionManager extends SubActionManager
+{
+
+}

core/src/Connection/Admin/Api/ConnectionAdminManager.php

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+<?php
+
+namespace Connection\Admin\Api;
+
+use Classes\AbstractModuleManager;
+use Connection\Common\ConnectionService;
+
+class ConnectionAdminManager extends AbstractModuleManager
+{
+
+    public function initialize()
+    {
+        $iceConnect = new ConnectionService();
+        if ($iceConnect->dispatchInstallationRequest()) {
+            $iceConnect->reportInstallationData();
+        }
+    }
+
+    public function initializeUserClasses()
+    {
+        // TODO: Implement initializeUserClasses() method.
+    }
+
+    public function initializeFieldMappings()
+    {
+        // TODO: Implement initializeFieldMappings() method.
+    }
+
+    public function initializeDatabaseErrorMappings()
+    {
+        // TODO: Implement initializeDatabaseErrorMappings() method.
+    }
+
+    public function setupModuleClassDefinitions()
+    {
+        // TODO: Implement setupModuleClassDefinitions() method.
+    }
+}

core/src/Connection/Common/ConnectionService.php

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+<?php
+namespace Connection\Common;
+
+use Classes\BaseService;
+use Classes\SettingsManager;
+use Classes\StatsHelper;
+use GuzzleHttp\Client;
+use Users\Common\Model\User;
+
+class ConnectionService
+{
+    public function getInstallationData()
+    {
+        $proKey = '';
+        if (class_exists('\\Classes\\ProVersion')) {
+            $data = \Classes\ProVersion::$data;
+            $data = json_decode($data, true);
+            $proKey = $data['key'];
+        }
+
+        return [
+            'id' => BaseService::getInstance()->getInstanceId(),
+            'secret' => md5(BaseService::getInstance()->getInstanceKey()),
+            'external_ip' => $this->getExternalIP(),
+            'internal_ip' => $_SERVER['SERVER_ADDR'],
+            'employees' => StatsHelper::getEmployeeCount(),
+            'users' => StatsHelper::getUserCount(),
+            'version' => VERSION,
+            'company' => SettingsManager::getInstance()->getSetting('Company: Name'),
+            'pro_key' => $proKey,
+        ];
+    }
+
+    public function getSystemReport()
+    {
+        return [
+            [
+                'name' => 'Installation ID',
+                'value' => BaseService::getInstance()->getInstanceId(),
+            ],
+            [
+                'name' => 'PHP Version',
+                'value' => phpversion(),
+            ],
+            [
+                'name' => 'PHP Extensions',
+                'value' => join(', ', get_loaded_extensions()),
+            ],
+            [
+                'name' => 'Web Server',
+                'value' => $_SERVER['SERVER_SOFTWARE'],
+            ],
+            [
+                'name' => 'MySQL Server',
+                'value' => mysqli_get_server_info((new User())->DB()->_connectionID),
+            ],
+            [
+                'name' => 'Modules Loaded',
+                'value' => join(', ', array_keys(BaseService::getInstance()->getModuleManagerNames())),
+            ]
+        ];
+    }
+
+    public function getSystemErrors()
+    {
+        $errors = [];
+        $res = fopen(CLIENT_BASE_PATH.'data/connection_test.txt', "w");
+
+        if (false === $res) {
+            $errors[] = [
+                'type' => 'error',
+                'message' =>
+                    'Data directory is not writable. Please make sure php can has write access to <icehrm>/app/data',
+            ];
+        } else {
+            fwrite($res, date('Y-m-d'));
+            $file = CLIENT_BASE_URL.'data/connection_test.txt';
+            $file_headers = @get_headers($file);
+            if ($file_headers && $file_headers[0] !== 'HTTP/1.1 404 Not Found') {
+                $errors[] = [
+                    'type' => 'error',
+                    'link' => 'https://icehrm.gitbook.io/icehrm/getting-started/securing-icehrm-installation',
+                    'linkText' => 'Learn how to fix',
+                    'message' => 'Data directory is accessible from outside.',
+                ];
+            }
+        }
+
+        return $errors;
+    }
+
+    public function dispatchInstallationRequest()
+    {
+        $timeNow = time();
+        $time = BaseService::getInstance()->getSystemData('sysDataTime');
+        if (null === $time) {
+            BaseService::getInstance()->setSystemData('sysDataTime', $timeNow);
+            return true;
+        }
+
+        $time = intval($time);
+        if ($timeNow > $time + 3600) {
+            BaseService::getInstance()->setSystemData('sysDataTime', $timeNow);
+            return true;
+        }
+
+        return false;
+    }
+
+    public function getExternalIP()
+    {
+        try {
+            $externalContent = file_get_contents('http://checkip.dyndns.com/');
+            preg_match('/Current IP Address: \[?([:.0-9a-fA-F]+)\]?/', $externalContent, $m);
+            return $m[1];
+        } catch (\Exception $e) {
+        }
+
+        return null;
+    }
+
+    public function reportInstallationData()
+    {
+        try {
+            $client = new Client();
+            $response = $client->request('POST', APP_WEB_URL . '/sapi/installtion-data', [
+                'json' => $this->getInstallationData(),
+            ]);
+        } catch (\Throwable $e) {
+            return false;
+        }
+
+        return true;
+    }
+}