Initial commit

application/Espo/Modules/Crm/EntryPoints/CampaignTrackOpened.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Modules\Crm\EntryPoints;
+
+use Espo\Entities\User;
+use Espo\Modules\Crm\Entities\Campaign;
+use Espo\Modules\Crm\Entities\EmailQueueItem;
+use Espo\Modules\Crm\Entities\MassEmail;
+use Espo\Modules\Crm\Tools\Campaign\LogService;
+use Espo\Core\Api\Request;
+use Espo\Core\Api\Response;
+use Espo\Core\EntryPoint\EntryPoint;
+use Espo\Core\EntryPoint\Traits\NoAuth;
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Exceptions\NotFound;
+use Espo\Core\ORM\EntityManager;
+
+class CampaignTrackOpened implements EntryPoint
+{
+    use NoAuth;
+
+    public function __construct(
+        private EntityManager $entityManager,
+        private LogService $service,
+        private User $user,
+    ) {}
+
+    /**
+     * @throws BadRequest
+     * @throws NotFound
+     */
+    public function run(Request $request, Response $response): void
+    {
+        $id = $request->getQueryParam('id');
+
+        if (!$id) {
+            throw new BadRequest("No id.");
+        }
+
+        $queueItemId = $id;
+
+        /** @var ?EmailQueueItem $queueItem */
+        $queueItem = $this->entityManager->getEntityById(EmailQueueItem::ENTITY_TYPE, $queueItemId);
+
+        if (!$queueItem) {
+            throw new NotFound("Item not found.");
+        }
+
+        $targetType = $queueItem->getTargetType();
+        $targetId = $queueItem->getTargetId();
+
+        $target = $this->entityManager->getEntityById($targetType, $targetId);
+
+        if (!$target) {
+            return;
+        }
+
+        $massEmail = $queueItem->getMassEmail();
+
+        if (!$massEmail) {
+            return;
+        }
+
+        $campaign = $massEmail->getCampaign();
+
+        if (!$campaign) {
+            return;
+        }
+
+        if ($this->user->isSystem()) {
+            $this->service->logOpened($campaign->getId(), $queueItem);
+        }
+
+        header('Content-Type: image/png');
+
+        $img  = imagecreatetruecolor(1, 1);
+
+        if (!$img) {
+            return;
+        }
+
+        imagesavealpha($img, true);
+
+        $color = imagecolorallocatealpha($img, 127, 127, 127, 127);
+
+        if ($color === false) {
+            return;
+        }
+
+        imagefill($img, 0, 0, $color);
+
+        imagepng($img);
+        imagecolordeallocate($img, $color);
+        imagedestroy($img);
+    }
+}