src/Module/Media/Attachment/Upload.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\Media\Attachment;
  23
  24 use Friendica\App;
  25 use Friendica\Core\Config\Capability\IManageConfigValues;
  26 use Friendica\Core\L10n;
  27 use Friendica\Core\Session\Capability\IHandleUserSessions;
  28 use Friendica\Core\System;
  29 use Friendica\Model\Attach;
  30 use Friendica\Model\User;
  31 use Friendica\Module\Response;
  32 use Friendica\Navigation\SystemMessages;
  33 use Friendica\Network\HTTPException\InternalServerErrorException;
  34 use Friendica\Util\Profiler;
  35 use Friendica\Util\Strings;
  36 use Psr\Log\LoggerInterface;
  37
  38 /**
  39  * Asynchronous attachment upload module
  40  *
  41  * Only used as the target action of the AjaxUpload JavaScript library
  42  */
  43 class Upload extends \Friendica\BaseModule
  44 {
  45         /** @var IHandleUserSessions */
  46         private $userSession;
  47
  48         /** @var IManageConfigValues */
  49         private $config;
  50
  51         /** @var SystemMessages */
  52         private $systemMessages;
  53
  54         /** @var bool */
  55         private $isJson;
  56
  57         /** @var App\Page */
  58         private $page;
  59
  60         public function __construct(App\Page $page, SystemMessages $systemMessages, IManageConfigValues $config, IHandleUserSessions $userSession, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
  61         {
  62                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  63
  64                 $this->userSession    = $userSession;
  65                 $this->config         = $config;
  66                 $this->systemMessages = $systemMessages;
  67                 $this->page           = $page;
  68         }
  69
  70         protected function post(array $request = [])
  71         {
  72                 $this->isJson = !empty($request['response']) && $request['response'] == 'json';
  73
  74                 $owner = User::getOwnerDataById($this->userSession->getLocalUserId());
  75                 if (!$owner) {
  76                         $this->logger->warning('Owner not found.', ['uid' => $this->userSession->getLocalUserId()]);
  77                         $this->return(401, $this->t('Invalid request.'));
  78                 }
  79
  80                 if (empty($_FILES['userfile'])) {
  81                         $this->logger->warning('No file uploaded (empty userfile)');
  82                         $this->return(401, $this->t('Invalid request.'), true);
  83                 }
  84
  85                 $tempFileName = $_FILES['userfile']['tmp_name'];
  86                 $fileName     = basename($_FILES['userfile']['name']);
  87                 $fileSize     = intval($_FILES['userfile']['size']);
  88                 $maxFileSize  = $this->config->get('system', 'maxfilesize');
  89
  90                 /*
  91                  * Found html code written in text field of form, when trying to upload a
  92                  * file with filesize greater than upload_max_filesize. Cause is unknown.
  93                  * Then Filesize gets <= 0.
  94                  */
  95                 if ($fileSize <= 0) {
  96                         @unlink($tempFileName);
  97                         $msg = $this->t('Sorry, maybe your upload is bigger than the PHP configuration allows') . '<br />' . $this->t('Or - did you try to upload an empty file?');
  98                         $this->logger->warning($msg, ['fileSize' => $fileSize]);
  99                         $this->return(401, $msg, true);
 100                 }
 101
 102                 if ($maxFileSize && $fileSize > $maxFileSize) {
 103                         @unlink($tempFileName);
 104                         $msg = $this->t('File exceeds size limit of %s', Strings::formatBytes($maxFileSize));
 105                         $this->logger->warning($msg, ['fileSize' => $fileSize]);
 106                         $this->return(401, $msg);
 107                 }
 108
 109                 $newid = Attach::storeFile($tempFileName, $owner['uid'], $fileName, '<' . $owner['id'] . '>');
 110
 111                 @unlink($tempFileName);
 112
 113                 if ($newid === false) {
 114                         $msg = $this->t('File upload failed.');
 115                         $this->logger->warning($msg);
 116                         $this->return(500, $msg);
 117                 }
 118
 119                 if ($this->isJson) {
 120                         $content = $newid;
 121                 } else {
 122                         $content = "\n\n" . '[attachment]' . $newid . '[/attachment]' . "\n";
 123                 }
 124
 125                 $this->return(200, $content);
 126         }
 127
 128         /**
 129          * @param int    $httpCode
 130          * @param string $message
 131          * @param bool   $systemMessage
 132          * @return void
 133          * @throws InternalServerErrorException
 134          */
 135         private function return(int $httpCode, string $message, bool $systemMessage = false): void
 136         {
 137                 if ($this->isJson) {
 138                         $message = $httpCode >= 400 ? ['error' => $message] : ['ok' => true, 'id' => $message];
 139                         $this->response->setType(Response::TYPE_JSON, 'application/json');
 140                         $this->response->addContent(json_encode($message, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));
 141                 } else {
 142                         if ($systemMessage) {
 143                                 $this->systemMessages->addNotice($message);
 144                         }
 145
 146                         if ($httpCode >= 400) {
 147                                 $this->response->setStatus($httpCode, $message);
 148                         }
 149
 150                         $this->response->addContent($message);
 151                 }
 152
 153                 $this->page->exit($this->response->generate());
 154                 System::exit();
 155         }
 156 }