Yuri Kuznetsov
832 lines
23 KiB
PHP
832 lines
23 KiB
PHP
<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM - Open Source CRM application.
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* Copyright (C) 2014-2022 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
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* Website: https://www.espocrm.com
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*
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* EspoCRM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* EspoCRM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\Services;
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use Espo\Core\Exceptions\ForbiddenSilent;
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use Espo\Core\Utils\File\MimeType;
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use Espo\ORM\Entity;
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use Espo\Core\Exceptions\BadRequest;
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use Espo\Core\Exceptions\Forbidden;
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use Espo\Core\Exceptions\Error;
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use Espo\Core\Exceptions\NotFound;
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use Espo\Repositories\Attachment as AttachmentRepository;
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use Espo\Entities\Attachment as AttachmentEntity;
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use Espo\Core\FileStorage\Storages\EspoUploadDir;
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use Espo\Core\Acl\Table;
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use Espo\Core\Job\JobSchedulerFactory;
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use Espo\Core\Job\Job\Data as JobData;
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use Espo\Tools\Attachment\Jobs\MoveToStorage;
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use stdClass;
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/**
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* @extends Record<\Espo\Entities\Attachment>
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*/
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class Attachment extends Record
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{
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/**
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* @var string[]
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*/
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protected $notFilteringAttributeList = ['contents'];
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/**
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* @var string[]
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*/
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protected $attachmentFieldTypeList = [
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self::FIELD_TYPE_FILE,
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self::FIELD_TYPE_IMAGE,
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self::FIELD_TYPE_ATTACHMENT_MULTIPLE,
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];
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/**
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* @var string[]
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*/
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protected $inlineAttachmentFieldTypeList = [
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self::FIELD_TYPE_WYSIWYG,
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];
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/**
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* @var string[]
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*/
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protected $adminOnlyHavingInlineAttachmentsEntityTypeList = [
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'TemplateManager',
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];
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/**
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* @var string[]
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*/
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protected $allowedRoleList = [
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AttachmentEntity::ROLE_ATTACHMENT,
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AttachmentEntity::ROLE_INLINE_ATTACHMENT,
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];
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private const FIELD_TYPE_FILE = 'file';
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private const FIELD_TYPE_IMAGE = 'image';
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private const FIELD_TYPE_ATTACHMENT_MULTIPLE = 'attachmentMultiple';
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private const FIELD_TYPE_WYSIWYG = 'wysiwyg';
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/**
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* @throws Forbidden
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* @todo Check where is it used. Maybe needs to be removed.
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*/
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public function upload(string $fileData): Entity
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{
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if (!$this->acl->checkScope('Attachment', Table::ACTION_CREATE)) {
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throw new Forbidden();
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}
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$contents = '';
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$arr = explode(',', $fileData);
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if (count($arr) > 1) {
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list($prefix, $contents) = $arr;
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$contents = base64_decode($contents);
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}
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$attachment = $this->entityManager->getNewEntity('Attachment');
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$attachment->set('contents', $contents);
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$this->entityManager->saveEntity($attachment);
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return $attachment;
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}
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protected function afterCreateEntity(Entity $entity, $data)
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{
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if (!empty($data->file)) {
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$entity->clear('contents');
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}
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}
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public function filterUpdateInput(stdClass $data): void
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{
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parent::filterUpdateInput($data);
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unset($data->parentId);
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unset($data->parentType);
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unset($data->relatedId);
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unset($data->relatedType);
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unset($data->isBeingUploaded);
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}
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/**
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* @throws BadRequest
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* @throws Forbidden
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* @throws Error
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*/
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public function filterCreateInput(stdClass $data): void
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{
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parent::filterCreateInput($data);
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unset($data->parentId);
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unset($data->relatedId);
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$isBeingUploaded = (bool) ($data->isBeingUploaded ?? false);
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$contents = '';
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if (!$isBeingUploaded) {
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if (!property_exists($data, 'file')) {
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throw new BadRequest("No file contents.");
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}
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if (!is_string($data->file)) {
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throw new BadRequest("Non-string file contents.");
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}
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$arr = explode(',', $data->file);
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if (count($arr) > 1) {
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$contents = $arr[1];
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}
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$contents = base64_decode($contents);
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}
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$data->contents = $contents;
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$relatedEntityType = null;
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$field = null;
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$role = AttachmentEntity::ROLE_ATTACHMENT;
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if (isset($data->parentType)) {
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$relatedEntityType = $data->parentType;
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unset($data->relatedType);
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}
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else if (isset($data->relatedType)) {
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$relatedEntityType = $data->relatedType;
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}
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if (isset($data->field)) {
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$field = $data->field;
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}
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if (isset($data->role)) {
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$role = $data->role;
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}
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if (!$relatedEntityType || !$field) {
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throw new BadRequest("Params 'field' and 'parentType' not passed along with 'file'.");
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}
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if (!in_array($role, $this->allowedRoleList)) {
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throw new BadRequest("Not supported attachment 'role'.");
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}
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$this->checkAttachmentField($relatedEntityType, $field, $role);
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$size = mb_strlen($contents, '8bit');
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if ($role === AttachmentEntity::ROLE_ATTACHMENT) {
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$maxSize = $this->metadata
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->get(['entityDefs', $relatedEntityType, 'fields', $field, 'maxFileSize']);
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if (!$maxSize) {
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$maxSize = $this->config->get('attachmentUploadMaxSize');
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}
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if ($maxSize && $size > $maxSize * 1024 * 1024) {
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throw new Error("File size should not exceed {$maxSize}Mb.");
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}
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}
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if ($role === AttachmentEntity::ROLE_INLINE_ATTACHMENT) {
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$inlineAttachmentUploadMaxSize = $this->config->get('inlineAttachmentUploadMaxSize');
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if ($inlineAttachmentUploadMaxSize && $size > $inlineAttachmentUploadMaxSize * 1024 * 1024) {
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throw new Error("File size should not exceed {$inlineAttachmentUploadMaxSize}Mb.");
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}
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}
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}
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/**
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* @param AttachmentEntity $entity
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* @throws Forbidden
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*/
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protected function beforeCreateEntity(Entity $entity, $data)
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{
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$storage = $entity->get('storage');
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if (
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$storage &&
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!$this->metadata->get(['app', 'fileStorage', 'implementationClassNameMap', $storage])
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) {
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$entity->clear('storage');
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}
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if (!$entity->getRole()) {
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$entity->set('role', AttachmentEntity::ROLE_ATTACHMENT);
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}
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$role = $entity->getRole();
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$size = $entity->getSize();
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if ($role === AttachmentEntity::ROLE_ATTACHMENT) {
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$maxSize = $this->getUploadMaxSize($entity);
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if ($size && $size > $maxSize) {
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throw new Forbidden("Attachment size exceeds `attachmentUploadMaxSize`.");
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}
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}
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$this->checkAttachmentType($entity);
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}
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protected function beforeUpdateEntity(Entity $entity, $data)
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{
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$storage = $entity->get('storage');
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if (
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$storage &&
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!$this->metadata->get(['app', 'fileStorage', 'implementationClassNameMap', $storage])
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) {
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$entity->clear('storage');
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}
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}
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private function getFieldType(AttachmentEntity $attachment): ?string
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{
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$field = $attachment->getTargetField();
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$entityType = $attachment->getParentType() ?? $attachment->getRelatedType();
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if (!$field || !$entityType) {
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return null;
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}
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return $this->metadata->get(['entityDefs', $entityType, 'fields', $field, 'type']);
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}
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/**
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* @throws Forbidden
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*/
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private function checkAttachmentType(AttachmentEntity $attachment): void
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{
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$field = $attachment->getTargetField();
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$entityType = $attachment->getParentType() ?? $attachment->getRelatedType();
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if (!$field || !$entityType) {
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return;
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}
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if (
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$this->getFieldType($attachment) === self::FIELD_TYPE_IMAGE ||
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$attachment->getRole() === AttachmentEntity::ROLE_INLINE_ATTACHMENT
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) {
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$this->checkAttachmentTypeImage($attachment);
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return;
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}
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$extension = strtolower(self::getFileExtension($attachment) ?? '');
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$mimeType = $this->getMimeTypeUtil()->getMimeTypeByExtension($extension) ??
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$attachment->getType();
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/** @var string[] $accept */
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$accept = $this->metadata->get(['entityDefs', $entityType, 'fields', $field, 'accept']) ?? [];
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if ($accept === []) {
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return;
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}
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$found = false;
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foreach ($accept as $token) {
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if (strtolower($token) === '.' . $extension) {
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$found = true;
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break;
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}
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if ($mimeType && MimeType::matchMimeTypeToAcceptToken($mimeType, $token)) {
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$found = true;
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break;
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}
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}
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if (!$found) {
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throw new ForbiddenSilent("Not allowed file type.");
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}
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}
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/**
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* @throws Forbidden
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*/
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private function checkAttachmentTypeImage(AttachmentEntity $attachment, ?string $filePath = null): void
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{
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$extension = self::getFileExtension($attachment) ?? '';
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$mimeType = $this->getMimeTypeUtil()->getMimeTypeByExtension($extension);
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/** @var string[] $imageTypeList */
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$imageTypeList = $this->metadata->get(['app', 'image', 'allowedFileTypeList']) ?? [];
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if (!in_array($mimeType, $imageTypeList)) {
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throw new ForbiddenSilent("Not allowed file type.");
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}
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$setMimeType = $attachment->getType();
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if (strtolower($setMimeType ?? '') !== $mimeType) {
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throw new ForbiddenSilent("Passed type does not correspond to extension.");
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}
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$this->checkDetectedMimeType($attachment, $filePath);
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}
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private static function getFileExtension(AttachmentEntity $attachment): ?string
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{
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$name = $attachment->getName() ?? '';
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return array_slice(explode('.', $name), -1)[0] ?? null;
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}
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/**
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* @throws Forbidden
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*/
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private function checkDetectedMimeType(AttachmentEntity $attachment, ?string $filePath = null): void
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{
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// ext-fileinfo required, otherwise bypass.
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if (!class_exists('\finfo') || !defined('FILEINFO_MIME_TYPE')) {
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return;
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}
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/** @var ?string $contents */
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$contents = $attachment->get('contents');
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if (!$contents && !$filePath) {
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return;
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}
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$extension = self::getFileExtension($attachment) ?? '';
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$mimeTypeList = $this->getMimeTypeUtil()->getMimeTypeListByExtension($extension);
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$fileInfo = new \finfo(FILEINFO_MIME_TYPE);
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$detectedMimeType = $filePath ?
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$fileInfo->file($filePath) :
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$fileInfo->buffer($contents);
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if (!in_array($detectedMimeType, $mimeTypeList)) {
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throw new ForbiddenSilent("Detected mime type does not correspond to extension.");
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}
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}
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/**
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* @throws Forbidden
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* @throws Error
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*/
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protected function checkAttachmentField(
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string $relatedEntityType,
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string $field,
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string $role = AttachmentEntity::ROLE_ATTACHMENT
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): void {
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if (
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$this->user->isAdmin() &&
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$role === AttachmentEntity::ROLE_INLINE_ATTACHMENT &&
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in_array($relatedEntityType, $this->adminOnlyHavingInlineAttachmentsEntityTypeList)
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) {
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return;
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}
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$fieldType = $this->metadata->get(['entityDefs', $relatedEntityType, 'fields', $field, 'type']);
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if (!$fieldType) {
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throw new Error("Field '{$field}' does not exist.");
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}
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$fieldTypeList = $role === AttachmentEntity::ROLE_INLINE_ATTACHMENT ?
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$this->inlineAttachmentFieldTypeList :
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$this->attachmentFieldTypeList;
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if (!in_array($fieldType, $fieldTypeList)) {
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throw new Error("Field type '{$fieldType}' is not allowed for {$role}.");
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}
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if ($this->user->isAdmin() && $relatedEntityType === 'Settings') {
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return;
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}
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if (
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!$this->acl->checkScope($relatedEntityType, Table::ACTION_CREATE) &&
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!$this->acl->checkScope($relatedEntityType, Table::ACTION_EDIT)
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) {
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throw new Forbidden("No access to " . $relatedEntityType . ".");
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}
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if (in_array($field, $this->acl->getScopeForbiddenFieldList($relatedEntityType, Table::ACTION_EDIT))) {
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throw new Forbidden("No access to field '" . $field . "'.");
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}
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}
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/**
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* @throws BadRequest
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* @throws Forbidden
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* @throws Error
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* @throws NotFound
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*/
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public function getCopiedAttachment(stdClass $data): AttachmentEntity
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{
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if (empty($data->id)) {
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throw new BadRequest();
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}
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if (empty($data->field)) {
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throw new BadRequest();
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}
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if (isset($data->parentType)) {
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$relatedEntityType = $data->parentType;
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}
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else if (isset($data->relatedType)) {
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$relatedEntityType = $data->relatedType;
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}
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else {
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throw new BadRequest();
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}
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$field = $data->field;
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$this->checkAttachmentField($relatedEntityType, $field);
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/** @var AttachmentEntity|null $attachment */
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$attachment = $this->getEntity($data->id);
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if (!$attachment) {
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throw new NotFound();
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}
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$copied = $this->getAttachmentRepository()->getCopiedAttachment($attachment);
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$attachment = $copied;
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if (isset($data->parentType)) {
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$attachment->set('parentType', $data->parentType);
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}
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if (isset($data->relatedType)) {
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$attachment->set('relatedType', $data->relatedType);
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}
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$attachment->set('field', $field);
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$attachment->set('role', AttachmentEntity::ROLE_ATTACHMENT);
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$this->getAttachmentRepository()->save($attachment);
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return $copied;
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}
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/**
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* @throws BadRequest
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* @throws Forbidden
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* @throws Error
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*/
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public function getAttachmentFromImageUrl(stdClass $data): AttachmentEntity
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{
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$attachment = $this->getAttachmentRepository()->getNew();
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if (empty($data->url)) {
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throw new BadRequest();
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}
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if (empty($data->field)) {
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throw new BadRequest();
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}
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if (isset($data->parentType)) {
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$relatedEntityType = $data->parentType;
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}
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else if (isset($data->relatedType)) {
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$relatedEntityType = $data->relatedType;
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}
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else {
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throw new BadRequest();
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}
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$url = $data->url;
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$field = $data->field;
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$this->checkAttachmentField($relatedEntityType, $field);
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$imageData = $this->getImageDataByUrl($url);
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if (!$imageData) {
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throw new Error('Attachment::getAttachmentFromImageUrl: Bad image data.');
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}
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$type = $imageData->type;
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$contents = $imageData->contents;
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$size = mb_strlen($contents, '8bit');
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$maxSize = $this->metadata->get(['entityDefs', $relatedEntityType, 'fields', $field, 'maxFileSize']);
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if (!$maxSize) {
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$maxSize = $this->config->get('attachmentUploadMaxSize');
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}
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if ($maxSize) {
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if ($size > $maxSize * 1024 * 1024) {
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throw new Error("File size should not exceed {$maxSize}Mb.");
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}
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}
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$attachment->set([
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'name' => $url,
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'type' => $type,
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'contents' => $contents,
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'role' => AttachmentEntity::ROLE_ATTACHMENT,
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]);
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if (isset($data->parentType)) {
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$attachment->set('parentType', $data->parentType);
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|
}
|
|
|
|
if (isset($data->relatedType)) {
|
|
$attachment->set('relatedType', $data->relatedType);
|
|
}
|
|
|
|
$attachment->set('field', $field);
|
|
|
|
$this->getAttachmentRepository()->save($attachment);
|
|
|
|
$attachment->clear('contents');
|
|
|
|
return $attachment;
|
|
}
|
|
|
|
protected function getImageDataByUrl(string $url): ?stdClass
|
|
{
|
|
$type = null;
|
|
|
|
if (!function_exists('curl_init')) {
|
|
return null;
|
|
}
|
|
|
|
$opts = [];
|
|
|
|
$httpHeaders = [];
|
|
$httpHeaders[] = 'Expect:';
|
|
|
|
$opts[\CURLOPT_URL] = $url;
|
|
$opts[\CURLOPT_HTTPHEADER] = $httpHeaders;
|
|
$opts[\CURLOPT_CONNECTTIMEOUT] = 10;
|
|
$opts[\CURLOPT_TIMEOUT] = 10;
|
|
$opts[\CURLOPT_HEADER] = true;
|
|
$opts[\CURLOPT_BINARYTRANSFER] = true;
|
|
$opts[\CURLOPT_VERBOSE] = true;
|
|
$opts[\CURLOPT_SSL_VERIFYPEER] = true;
|
|
$opts[\CURLOPT_SSL_VERIFYHOST] = 2;
|
|
$opts[\CURLOPT_RETURNTRANSFER] = true;
|
|
$opts[\CURLOPT_FOLLOWLOCATION] = true;
|
|
$opts[\CURLOPT_MAXREDIRS] = 2;
|
|
$opts[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V4;
|
|
|
|
$ch = curl_init();
|
|
|
|
curl_setopt_array($ch, $opts);
|
|
|
|
/** @var string|false $response */
|
|
$response = curl_exec($ch);
|
|
|
|
if ($response === false) {
|
|
curl_close($ch);
|
|
|
|
return null;
|
|
}
|
|
|
|
$headerSize = curl_getinfo($ch, \CURLINFO_HEADER_SIZE);
|
|
|
|
$header = substr($response, 0, $headerSize);
|
|
$body = substr($response, $headerSize);
|
|
|
|
$headLineList = explode("\n", $header);
|
|
|
|
foreach ($headLineList as $i => $line) {
|
|
if ($i === 0) {
|
|
continue;
|
|
}
|
|
|
|
if (strpos(strtolower($line), strtolower('Content-Type:')) === 0) {
|
|
$part = trim(substr($line, 13));
|
|
|
|
if ($part) {
|
|
$type = trim(explode(";", $part)[0]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$type) {
|
|
/** @var string $extension */
|
|
$extension = preg_replace('#\?.*#', '', pathinfo($url, \PATHINFO_EXTENSION));
|
|
|
|
$type = $this->getMimeTypeUtil()->getMimeTypeByExtension($extension);
|
|
}
|
|
|
|
curl_close($ch);
|
|
|
|
if (!$type) {
|
|
return null;
|
|
}
|
|
|
|
/** @var string[] $imageTypeList */
|
|
$imageTypeList = $this->metadata->get(['app', 'image', 'allowedFileTypeList']) ?? [];
|
|
|
|
if (!in_array($type, $imageTypeList)) {
|
|
return null;
|
|
}
|
|
|
|
return (object) [
|
|
'type' => $type,
|
|
'contents' => $body,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @throws NotFound
|
|
* @throws Forbidden
|
|
*/
|
|
public function getFileData(string $id): stdClass
|
|
{
|
|
/** @var AttachmentEntity|null $attachment */
|
|
$attachment = $this->getEntity($id);
|
|
|
|
if (!$attachment) {
|
|
throw new NotFound();
|
|
}
|
|
|
|
return (object) [
|
|
'name' => $attachment->get('name'),
|
|
'type' => $attachment->get('type'),
|
|
'stream' => $this->getAttachmentRepository()->getStream($attachment),
|
|
'size' => $this->getAttachmentRepository()->getSize($attachment),
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @throws BadRequest
|
|
* @throws Forbidden
|
|
* @throws Error
|
|
* @throws NotFound
|
|
*/
|
|
public function uploadChunk(string $id, string $fileData): void
|
|
{
|
|
if (!$this->acl->checkScope(AttachmentEntity::ENTITY_TYPE, Table::ACTION_CREATE)) {
|
|
throw new Forbidden();
|
|
}
|
|
|
|
/** @var AttachmentEntity|null $attachment */
|
|
$attachment = $this->getEntity($id);
|
|
|
|
if (!$attachment) {
|
|
throw new NotFound();
|
|
}
|
|
|
|
if (!$attachment->isBeingUploaded()) {
|
|
throw new Forbidden("Attachment is not being-uploaded.");
|
|
}
|
|
|
|
if ($attachment->getStorage() !== EspoUploadDir::NAME) {
|
|
throw new Forbidden("Attachment storage is not 'EspoUploadDir'.");
|
|
}
|
|
|
|
$arr = explode(';base64,', $fileData);
|
|
|
|
if (count($arr) < 2) {
|
|
throw new BadRequest("Bad file data.");
|
|
}
|
|
|
|
$contents = base64_decode($arr[1]);
|
|
|
|
$filePath = $this->getAttachmentRepository()->getFilePath($attachment);
|
|
|
|
$chunkSize = strlen($contents);
|
|
|
|
$actualFileSize = 0;
|
|
|
|
if ($this->fileManager->isFile($filePath)) {
|
|
$actualFileSize = $this->fileManager->getSize($filePath);
|
|
}
|
|
|
|
$maxFileSize = $this->getUploadMaxSize($attachment);
|
|
|
|
if ($actualFileSize + $chunkSize > $maxFileSize) {
|
|
throw new Forbidden("Max attachment size exceeded.");
|
|
}
|
|
|
|
$this->fileManager->appendContents($filePath, $contents);
|
|
|
|
if ($actualFileSize + $chunkSize > $attachment->getSize()) {
|
|
throw new Error("File size mismatch.");
|
|
}
|
|
|
|
$isLastChunk = $actualFileSize + $chunkSize === $attachment->getSize();
|
|
|
|
if (!$isLastChunk) {
|
|
return;
|
|
}
|
|
|
|
if ($this->getFieldType($attachment) === self::FIELD_TYPE_IMAGE) {
|
|
try {
|
|
$this->checkAttachmentTypeImage($attachment, $filePath);
|
|
}
|
|
catch (Forbidden $e) {
|
|
$this->entityManager->removeEntity($attachment);
|
|
|
|
throw new ForbiddenSilent($e->getMessage());
|
|
}
|
|
}
|
|
|
|
$attachment->set('isBeingUploaded', false);
|
|
|
|
$this->entityManager->saveEntity($attachment);
|
|
|
|
$this->createJobMoveToStorage($attachment);
|
|
}
|
|
|
|
private function getUploadMaxSize(AttachmentEntity $attachment): int
|
|
{
|
|
$field = $attachment->get('field');
|
|
$parentType = $attachment->get('parentType') ?? $attachment->get('relatedType');
|
|
|
|
if ($field && $parentType) {
|
|
$maxSize = ($this->metadata
|
|
->get(['entityDefs', $parentType, 'fields', $field, 'maxFileSize']) ?? 0) * 1024 * 1024;
|
|
|
|
if ($maxSize) {
|
|
return $maxSize;
|
|
}
|
|
}
|
|
|
|
return (int) $this->config->get('attachmentUploadMaxSize', 0) * 1024 * 1024;
|
|
}
|
|
|
|
private function createJobMoveToStorage(AttachmentEntity $attachment): void
|
|
{
|
|
/** @var JobSchedulerFactory $jobSchedulerFactory */
|
|
$jobSchedulerFactory = $this->injectableFactory->create(JobSchedulerFactory::class);
|
|
|
|
$jobSchedulerFactory->create()
|
|
->setClassName(MoveToStorage::class)
|
|
->setData(
|
|
JobData::create()
|
|
->withTargetId($attachment->getId())
|
|
)
|
|
->schedule();
|
|
}
|
|
|
|
private function getAttachmentRepository(): AttachmentRepository
|
|
{
|
|
/** @var AttachmentRepository */
|
|
return $this->getRepository();
|
|
}
|
|
|
|
private function getMimeTypeUtil(): MimeType
|
|
{
|
|
return $this->injectableFactory->create(MimeType::class);
|
|
}
|
|
}
|