File indexing completed on 2024-05-12 05:58:46

 <?php
 
 /**
  *  ocs-webserver
  *
  *  Copyright 2016 by pling GmbH.
  *
  *    This file is part of ocs-webserver.
  *
  *    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 <http://www.gnu.org/licenses/>.
  *
  * Created: 26.01.2017
  */
 class Default_Model_PpLoad
 {
     /**
      * @inheritDoc
      */
     public function __construct()
     {
     }
 
     public static function createDownloadUrl($collection_id, $file_name, array $params)
     {
         $valid_until = time() + 3600; // one hour valid
         $hash = self::createDownloadHash($collection_id, $valid_until);
         $url = PPLOAD_API_URI . 'files/download';
         foreach ($params as $key => $param) {
             $url .= '/' . $key . '/' . $param;
         }
 
         return $url . '/s/' . $hash . '/t/' . $valid_until . '/' . $file_name;
     }
 
     /**
      * @param int $collection_id
      * @param int $valid_until
      * @return string
      */
     public static function createDownloadHash($collection_id, $valid_until)
     {
         return hash('sha512',
             PPLOAD_DOWNLOAD_SECRET . $collection_id . $valid_until); // order isn't important at all... just do the same when verifying
     }
 
     /**
      * @param int    $collection_id
      * @param string $file_name
      * @param array  $payload
      * @return string
      */
     public static function createDownloadUrlJwt($collection_id, $file_name, array $payload)
     {
         $valid_until = time() + 3600; // one hour valid
         $hash = self::createDownloadHash($collection_id, $valid_until);
         $payload['s'] = $hash;
         $payload['t'] = $valid_until;
         try {
             $session = new Zend_Session_Namespace();
             $payload['stfp'] = $session->stat_fp;
             $payload['stip'] = $session->stat_ipv6 ? $session->stat_ipv6 : $session->stat_ipv4;
         } catch (Zend_Session_Exception $e) {
             Zend_Registry::get('logger')->err(__METHOD__ . '   ' . $e->getMessage());
 //            error_log(__METHOD__ . '   ' . $e->getMessage());
         }
         $jwt = Default_Model_Jwt::encodeFromArray($payload);
 
         return PPLOAD_API_URI . 'files/download/j/' . $jwt . '/' . $file_name;
     }
 
     /**
      * @param int    $projectId
      * @param string $url
      * @param string $filename
      * @param string $fileDescription
      * @return bool|mixed
      * @throws Zend_Auth_Storage_Exception
      * @throws Zend_Exception
      */
     public function uploadEmptyFileWithLink($projectId, $url, $filename, $fileDescription)
     {
         $projectId = (int)$projectId;
 
         $projectData = $this->getProjectData($projectId);
 
         if (empty($projectData)) {
             Zend_Registry::get('logger')->err(__METHOD__ . ' - ppload upload error. no project data found. project_id:'
                                               . $projectId);
 
             return false;
         }
 
         $pploadApi = $this->getPpLoadApi();
 
         // create empty text file
         $fileDummy = '../../data/files/empty';
 
         $fileRequest = array(
             //            'file' => $fileDummy,
             'local_file_path' => $fileDummy,
             'local_file_name' => $filename,
             'owner_id'        => $projectData->member_id,
             'tags'            => 'link##' . urlencode($url)
         );
 
         if ($projectData->ppload_collection_id) {
             // Append to existing collection
             $fileRequest['collection_id'] = $projectData->ppload_collection_id;
         }
         if (false == empty($fileDescription)) {
             $fileRequest['description'] = mb_substr($fileDescription, 0, 140);
         }
 
         //upload to ppload
         $fileResponse = $pploadApi->postFile($fileRequest);
 
         Zend_Registry::get('logger')->debug(__METHOD__ . ' - fileResponse: ' . print_r($fileResponse, true));
 
         if (empty($fileResponse) OR empty($fileResponse->file) OR $fileResponse->status <> 'success') {
             Zend_Registry::get('logger')->err(__METHOD__
                                               . ' - ppload upload error. requestData:'
                                               . print_r($fileRequest, true) . "\n" . 'response:'
                                               . print_r($fileResponse, true)
             );
 
             return false;
         }
         $log = Zend_Registry::get('logger');
         if ($projectData->ppload_collection_id <> $fileResponse->file->collection_id) {
             $projectData->ppload_collection_id = $fileResponse->file->collection_id;
             if ($this->isAuthmemberProjectCreator($projectData->member_id)) {
                 $projectData->changed_at = new Zend_Db_Expr('NOW()');
             } else {
                 $auth = Zend_Auth::getInstance();
                 $authMember = $auth->getStorage()->read();
                 $log->info('********** ' . __METHOD__ . ' Project ChangedAt is not set: Auth-Member (' . $authMember->member_id . ') != Project-Owner (' . $projectData->member_id . '): **********' . "\n");
             }
             $projectData->save();
         } else {
             if ($this->isAuthmemberProjectCreator($projectData->member_id)) {
                 $projectData->changed_at = new Zend_Db_Expr('NOW()');
                 $projectData->save();
             } else {
                 $auth = Zend_Auth::getInstance();
                 $authMember = $auth->getStorage()->read();
                 $log->info('********** ' . __METHOD__ . ' Project ChangedAt is not set: Auth-Member (' . $authMember->member_id . ') != Project-Owner (' . $projectData->member_id . '): **********' . "\n");
             }
         }
 
         return $fileResponse;
     }
 
     /**
      * @param int $projectId
      *
      * @return Zend_Db_Table_Row_Abstract
      * @throws Zend_Db_Table_Exception
      */
     protected function getProjectData($projectId)
     {
         $projectTable = new Default_Model_DbTable_Project();
 
         return $projectTable->find($projectId)->current();
     }
 
     /**
      * @return Ppload_Api
      */
     protected function getPpLoadApi()
     {
         return new Ppload_Api(array(
             'apiUri'   => PPLOAD_API_URI,
             'clientId' => PPLOAD_CLIENT_ID,
             'secret'   => PPLOAD_SECRET
         ));
     }
 
     /**
      * @param int $creator_id
      * @return bool
      * @throws Zend_Auth_Storage_Exception
      */
     public function isAuthmemberProjectCreator($creator_id)
     {
         $auth = Zend_Auth::getInstance();
         $authMember = $auth->getStorage()->read();
         if ($authMember->member_id == $creator_id) {
             return true;
         }
 
         return false;
     }
 
 }