snapshot of https://github.com/espocrm/espocrm.git (master, 2026-09-18; blobs > 131072B omitted)

application/Espo/Tools/Attachment/UploadUrlService.php

@@ -0,0 +1,168 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 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\Tools\Attachment;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Exceptions\ErrorSilent;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Exceptions\ForbiddenSilent;
+use Espo\Core\HttpClient\ClientFactory;
+use Espo\Core\HttpClient\Options;
+use Espo\Core\Utils\File\MimeType;
+use Espo\Core\Utils\Metadata;
+use Espo\Core\Utils\Security\UrlCheck;
+use Espo\Entities\Attachment as Attachment;
+use Espo\ORM\EntityManager;
+use Espo\Repositories\Attachment as AttachmentRepository;
+use Espo\Core\HttpClient;
+
+use const PATHINFO_EXTENSION;
+
+class UploadUrlService
+{
+
+    public function __construct(
+        private AccessChecker $accessChecker,
+        private Metadata $metadata,
+        private EntityManager $entityManager,
+        private MimeType $mimeType,
+        private DetailsObtainer $detailsObtainer,
+        private UrlCheck $urlCheck,
+        private ClientFactory $clientFactory,
+    ) {}
+
+    /**
+     * Upload an image from and URL and store as attachment.
+     *
+     * @param non-empty-string $url
+     * @throws Forbidden
+     * @throws Error
+     */
+    public function uploadImage(string $url, FieldData $data): Attachment
+    {
+        if (!$this->urlCheck->isUrlAndNotInternal($url)) {
+            throw new ForbiddenSilent("Not allowed URL.");
+        }
+
+        $attachment = $this->getAttachmentRepository()->getNew();
+
+        $this->accessChecker->check($data);
+
+        [$type, $contents] = $this->getImageDataByUrl($url) ?? [null, null];
+
+        if (!$type || !$contents) {
+            throw new ErrorSilent("Bad image data.");
+        }
+
+        $attachment
+            ->setName($url)
+            ->setType($type)
+            ->setContents($contents)
+            ->setRole(Attachment::ROLE_ATTACHMENT)
+            ->setTargetField($data->getField());
+
+        $attachment->set('parentType', $data->getParentType());
+        $attachment->set('relatedType', $data->getRelatedType());
+
+        $size = mb_strlen($contents, '8bit');
+        $maxSize = $this->detailsObtainer->getUploadMaxSize($attachment);
+
+        if ($maxSize && $size > $maxSize) {
+            throw new Error("File size should not exceed {$maxSize}Mb.");
+        }
+
+        $this->getAttachmentRepository()->save($attachment);
+
+        $attachment->clear('contents');
+
+        return $attachment;
+    }
+
+    /**
+     * @param non-empty-string $url
+     * @return ?array{string, string} A type and contents.
+     * @throws Error
+     */
+    private function getImageDataByUrl(string $url): ?array
+    {
+        $client = $this->clientFactory->create(
+            new Options(
+                protocols: [HttpClient\Protocol::https, HttpClient\Protocol::http],
+                redirect: new HttpClient\Options\Redirect(
+                    allow: false,
+                ),
+                internalHostRestriction: new HttpClient\Options\InternalHostRestriction(
+                    restrict: true,
+                ),
+            )
+        );
+
+        $request = HttpClient\RequestCreator::create('GET', $url);
+
+        try {
+            $response = $client->send($request);
+        } catch (HttpClient\Exceptions\SendException $e) {
+            throw new Error(previous: $e);
+        }
+
+        $type = $response->getHeader('Content-Type')[0] ?? null;
+
+        if ($type) {
+            $type = trim(explode(';', $type)[0]);
+        }
+
+
+        if (!$type) {
+            /** @var string $extension */
+            $extension = preg_replace('#\?.*#', '', pathinfo($url, PATHINFO_EXTENSION));
+
+            $type = $this->mimeType->getMimeTypeByExtension($extension);
+        }
+
+        if (!$type) {
+            return null;
+        }
+
+        /** @var string[] $imageTypeList */
+        $imageTypeList = $this->metadata->get('app.image.allowedFileTypeList') ?? [];
+
+        if (!in_array($type, $imageTypeList)) {
+            return null;
+        }
+
+        return [$type, (string) $response->getBody()];
+    }
+
+    private function getAttachmentRepository(): AttachmentRepository
+    {
+        /** @var AttachmentRepository */
+        return $this->entityManager->getRepositoryByClass(Attachment::class);
+    }
+}