File indexing completed on 2024-05-26 05:59:17

 <?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: 19.06.2018
  */
 class Default_Model_Ocs_Matrix
 {
     protected $messages;
     protected $auth;
     private $httpServer;
     private $image_mime_types = array(
         // images
         'png'  => 'image/png',
         'jpe'  => 'image/jpeg',
         'jpeg' => 'image/jpeg',
         'jpg'  => 'image/jpeg',
         'gif'  => 'image/gif',
         'bmp'  => 'image/bmp',
         'ico'  => 'image/vnd.microsoft.icon',
         'tiff' => 'image/tiff',
         'tif'  => 'image/tiff',
         'svg'  => 'image/svg+xml',
         'svgz' => 'image/svg+xml'
     );
 
 
     /**
      * @inheritDoc
      */
     public function __construct($config = null)
     {
         if (isset($config)) {
             $this->config = $config;
         } else {
             $this->config = Zend_Registry::get('config')->settings->server->chat;
         }
         $uri = $this->config->host;
         $this->httpServer = new Zend_Http_Client($uri, array('keepalive' => true, 'strictredirects' => true));
     }
 
     public function setAvatarFromArray($member_data)
     {
         if (empty($member_data)) {
             return false;
         }
 
         $this->messages = array();
 
         try {
             $helperImage = new Default_View_Helper_Image();
             $memberAvatarUrl = $helperImage->Image($member_data['profile_image_url']);
 
             list($fileAvatar,$content_type) = $this->fetchAvatarFile($memberAvatarUrl);
             $mime_type = $this->checkValidMimeType($content_type) ? $content_type : $this->get_mime_content_type($member_data['profile_image_url']);
             $contentUri = $this->uploadAvatar($fileAvatar, $mime_type);
             $matrixUserId = $this->generateUserId(strtolower($member_data['username']));
             $result = $this->setAvatarUrl($matrixUserId, $contentUri);
             if (false === $result) {
                 $this->messages[] = "Fail ";
 
                 return false;
             }
         } catch (Exception $e) {
             $this->messages[] = "Fail : " . $e->getMessage();
 
             return false;
         }
         $this->messages[] = "set avatar file : Success";
 
         return true;
     }
 
     private function fetchAvatarFile($profile_image_url)
     {
         $http_client = new Zend_Http_Client($profile_image_url);
         $response = $http_client->request();
         if ($response->getStatus() < 200 OR $response->getStatus() >= 400) {
             $this->messages[] = 'Request failed.(' . $profile_image_url . ') OCS Matrix server send message: ' . $response->getBody();
 
             return false;
         }
         $filename = IMAGES_UPLOAD_PATH . 'tmp/' . md5($profile_image_url);
         file_put_contents($filename, $response->getBody());
         $content_type = $response->getHeader('content-type');
 
         return array($filename,$content_type);
     }
 
     private function get_mime_content_type($filename)
     {
 
         $mime_types = array(
 
             'txt'  => 'text/plain',
             'htm'  => 'text/html',
             'html' => 'text/html',
             'php'  => 'text/html',
             'css'  => 'text/css',
             'js'   => 'application/javascript',
             'json' => 'application/json',
             'xml'  => 'application/xml',
             'swf'  => 'application/x-shockwave-flash',
             'flv'  => 'video/x-flv',
             // images
             'png'  => 'image/png',
             'jpe'  => 'image/jpeg',
             'jpeg' => 'image/jpeg',
             'jpg'  => 'image/jpeg',
             'gif'  => 'image/gif',
             'bmp'  => 'image/bmp',
             'ico'  => 'image/vnd.microsoft.icon',
             'tiff' => 'image/tiff',
             'tif'  => 'image/tiff',
             'svg'  => 'image/svg+xml',
             'svgz' => 'image/svg+xml',
             // archives
             'zip'  => 'application/zip',
             'rar'  => 'application/x-rar-compressed',
             'exe'  => 'application/x-msdownload',
             'msi'  => 'application/x-msdownload',
             'cab'  => 'application/vnd.ms-cab-compressed',
             // audio/video
             'mp3'  => 'audio/mpeg',
             'qt'   => 'video/quicktime',
             'mov'  => 'video/quicktime',
             // adobe
             'pdf'  => 'application/pdf',
             'psd'  => 'image/vnd.adobe.photoshop',
             'ai'   => 'application/postscript',
             'eps'  => 'application/postscript',
             'ps'   => 'application/postscript',
             // ms office
             'doc'  => 'application/msword',
             'rtf'  => 'application/rtf',
             'xls'  => 'application/vnd.ms-excel',
             'ppt'  => 'application/vnd.ms-powerpoint',
             // open office
             'odt'  => 'application/vnd.oasis.opendocument.text',
             'ods'  => 'application/vnd.oasis.opendocument.spreadsheet',
         );
 
         $filename_parts = explode('.', $filename);
         $ext = strtolower(array_pop($filename_parts));
         if (array_key_exists($ext, $mime_types)) {
             return $mime_types[$ext];
         } else if (function_exists('finfo_open')) {
             $finfo = finfo_open(FILEINFO_MIME);
             $mimetype = finfo_file($finfo, $filename);
             finfo_close($finfo);
 
             return $mimetype;
         } else {
             return 'image/png';
         }
     }
 
     private function checkValidMimeType($mime_type)
     {
         if (in_array(strtolower($mime_type), $this->image_mime_types)) {
             return true;
         }
 
         return false;
     }
 
     private function uploadAvatar($fileAvatar, $mime_type = 'image/png')
     {
         $auth = $this->authAdmin();
 
         $filename = basename($fileAvatar);
         $uri = $this->config->host . '/_matrix/media/v1/upload?filename=' . $filename;
 
         $file_data = file_get_contents(realpath($fileAvatar));
         $client = new Zend_Http_Client($uri);
         $client->setHeaders('Authorization', 'Bearer ' . $auth['access_token']);
         $client->setRawData($file_data, $mime_type);
 
         $response = $client->request('POST');
 
         if ($response->getStatus() < 200 OR $response->getStatus() >= 400) {
             $this->messages[] = 'Request failed.(' . $fileAvatar . ') OCS Matrix server send message: ' . $response->getBody();
 
             return false;
         }
 
         try {
             $body = Zend_Json_Decoder::decode($response->getBody());
         } catch (Zend_Json_Exception $e) {
             Zend_Registry::get('logger')->err(__METHOD__ . ' - ' . $e->getMessage());
 
             return false;
         }
 
         return $body['content_uri'];
     }
 
     private function authAdmin()
     {
         $cache_name = "matrix_auth";
         /** @var Zend_Cache_Core $cache */
         $cache = Zend_Registry::get('cache');
 
         if (($result = $cache->load($cache_name))) {
             return $result;
         }
 
         $method = Zend_Http_Client::POST;
         $uri = $this->config->host . "/_matrix/client/r0/login";
         $username = $this->config->sudo_user;
         $pw = $this->config->sudo_user_pw;
         $data = array(
             'identifier'                  => array('type' => 'm.id.user', 'user' => $username),
             'initial_device_display_name' => 'ocs webserver',
             'password'                    => $pw,
             'type'                        => 'm.login.password'
         );
         try {
             $result = $this->httpRequestWithoutToken($uri, $method, $data);
         } catch (Exception $e) {
             Zend_Registry::get('logger')->err(__METHOD__ . ' - ' . $e->getMessage());
         }
         $cache->save($result, $cache_name, array());
         $this->auth = $result;
 
         return $result;
     }
 
     private function httpRequestWithoutToken($uri, $method, $post_param)
     {
         $this->httpServer->resetParameters(true);
         $this->httpServer->setUri($uri);
         $this->httpServer->setHeaders('Content-Type', 'application/json');
         $this->httpServer->setHeaders('Accept', 'application/json');
         $this->httpServer->setHeaders('User-Agent', $this->config->user_agent);
         $this->httpServer->setMethod($method);
         if (isset($post_param)) {
             $jsonUserData = Zend_Json::encode($post_param);
             $this->httpServer->setRawData($jsonUserData, 'application/json');
         }
 
         $response = $this->httpServer->request();
         if ($response->getStatus() < 200 OR $response->getStatus() >= 500) {
             $this->messages[] = 'Request failed.(' . $uri . ') OCS Matrix server send message: ' . $response->getBody();
 
             return false;
         }
 
         try {
             return Zend_Json::decode($response->getBody());
         } catch (Zend_Json_Exception $e) {
             Zend_Registry::get('logger')->err(__METHOD__ . ' - ' . $e->getMessage());
         }
 
         return false;
     }
 
     private function generateUserId($username)
     {
         $auth = $this->authAdmin();
 
         return "@{$username}:{$auth['home_server']}";
     }
 
     private function setAvatarUrl($userId, $contentUri)
     {
         $uri = $this->config->host . "/_matrix/client/r0/profile/{$userId}/avatar_url";
         $method = Zend_Http_Client::PUT;
         $data = array('avatar_url' => $contentUri);
 
         $result = $this->httpRequest($uri, '', $method, $data);
 
         return $result;
     }
 
     /**
      * @param string     $uri
      * @param string     $uid
      * @param string     $method
      * @param array|null $post_param
      *
      * @return bool|array
      * @throws Zend_Http_Client_Exception
      * @throws Zend_Json_Exception
      */
     protected function httpRequest($uri, $uid, $method = Zend_Http_Client::GET, $post_param = null)
     {
         $auth = $this->authAdmin();
 
         $this->httpServer->resetParameters();
         $this->httpServer->setUri($uri);
         $this->httpServer->setHeaders('Authorization', 'Bearer ' . $auth['access_token']);
         $this->httpServer->setHeaders('Content-Type', 'application/json');
         $this->httpServer->setHeaders('Accept', 'application/json');
         $this->httpServer->setHeaders('User-Agent', $this->config->user_agent);
         $this->httpServer->setMethod($method);
         if (isset($post_param)) {
             $jsonUserData = Zend_Json::encode($post_param);
             $this->httpServer->setRawData($jsonUserData, 'application/json');
         }
 
         $response = $this->httpServer->request();
         if ($response->getStatus() < 200 OR $response->getStatus() >= 400) {
             $this->messages[] = 'Request failed.(' . $uri . ') OCS Matrix server send message: ' . $response->getBody();
 
             return false;
         }
 
         $body = Zend_Json::decode($response->getBody());
 
         return $body;
     }
 
     /**
      * @param array $member_data
      * @param bool  $force
      *
      * @return bool|array
      * @throws Zend_Cache_Exception
      * @throws Zend_Exception
      * @throws Zend_Http_Client_Exception
      * @throws Zend_Json_Exception
      */
     public function createUserFromArray($member_data, $force = false)
     {
         if (empty($member_data)) {
             return false;
         }
 
         $this->messages = array();
 
         $usernameAvailable = $this->createUserAvailable($member_data['username']);
 
         if ($usernameAvailable) {
             try {
                 $method = Zend_Http_Client::POST;
                 $uri = $this->config->host . "/_matrix/client/r0/register?kind=user";
                 $session = $this->fetchSessionInfo($uri, Zend_Http_Client::POST, array('auth' => array()));
                 $data = array_merge($session, array('username' => $member_data['username'], 'password' => $member_data['password']));
                 $userLogin = $this->httpRequestWithoutToken($uri, $method, $data);
                 if (false === $userLogin) {
                     $this->messages[] = "Fail ";
 
                     return false;
                 }
                 $fileAvatar = $this->fetchAvatarFile($member_data['profile_image_url']);
                 $contentUri = $this->uploadAvatar($fileAvatar);
                 $result = $this->setAvatarUrl($userLogin['user_id'], $contentUri);
                 if (false === $result) {
                     $this->messages[] = "Fail ";
 
                     return false;
                 }
             } catch (Exception $e) {
                 $this->messages[] = "Fail : " . $e->getMessage();
 
                 return false;
             }
             $this->messages[] = "Create : Success";
 
             return $userLogin;
         }
 
         $this->messages[] = 'Fail : username already exists.';
 
         return false;
     }
 
     private function createUserAvailable($username)
     {
         try {
             $result = $this->httpRequest("{$this->config->host}/_matrix/client/r0/register/available?username={$username}", $username);
         } catch (Zend_Exception $e) {
             Zend_Registry::get('logger')->err(__METHOD__ . ' - ' . $e->getMessage());
         }
 
         return (isset($result['available']) && $result['available'] == true) ? true : false;
     }
 
     private function fetchSessionInfo($uri, $method = Zend_Http_Client::POST, $post_param = null)
     {
         $response = $this->httpRequestWithoutToken($uri, $method, $post_param);
 
         if ($response) {
             return array('auth' => array('type' => $response['flows'][0]['stages'][0], 'session' => $response['session']));
         }
 
         return array();
     }
 
     /**
      * @return mixed
      */
     public function getMessages()
     {
         return $this->messages;
     }
 
     private function requestAccess($uri, $uid, $method, $post_param)
     {
         $this->httpServer->resetParameters(true);
         $this->httpServer->setUri($uri);
         $this->httpServer->setHeaders('Content-Type', 'application/json');
         $this->httpServer->setHeaders('Accept', 'application/json');
         $this->httpServer->setHeaders('User-Agent', $this->config->user_agent);
         $this->httpServer->setMethod($method);
         if (isset($post_param)) {
             $jsonUserData = Zend_Json::encode($post_param);
             $this->httpServer->setRawData($jsonUserData, 'application/json');
         }
 
         $response = $this->httpServer->request();
         if ($response->getStatus() < 200 OR $response->getStatus() >= 400) {
             $this->messages[] = 'Request failed.(' . $uri . ') OCS Matrix server send message: ' . $response->getBody();
 
             return false;
         }
 
         $body = Zend_Json::decode($response->getBody());
 
         return $body;
     }
 
 }