src/Module/DFRN/Notify.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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\DFRN;
  23
  24 use Friendica\App;
  25 use Friendica\BaseModule;
  26 use Friendica\Core\L10n;
  27 use Friendica\Core\Logger;
  28 use Friendica\Core\System;
  29 use Friendica\Database\Database;
  30 use Friendica\DI;
  31 use Friendica\Model\Contact;
  32 use Friendica\Model\Conversation;
  33 use Friendica\Model\User;
  34 use Friendica\Module\OStatus\Salmon;
  35 use Friendica\Module\Response;
  36 use Friendica\Protocol\DFRN;
  37 use Friendica\Protocol\Diaspora;
  38 use Friendica\Util\Network;
  39 use Friendica\Network\HTTPException;
  40 use Friendica\Util\Profiler;
  41 use Psr\Log\LoggerInterface;
  42
  43 /**
  44  * DFRN Notify
  45  */
  46 class Notify extends BaseModule
  47 {
  48         /** @var Database */
  49         private $database;
  50
  51         public function __construct(Database $database, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
  52         {
  53                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  54
  55                 $this->database = $database;
  56         }
  57
  58         protected function post(array $request = [])
  59         {
  60                 $postdata = Network::postdata();
  61
  62                 if (empty($postdata)) {
  63                         throw new HTTPException\BadRequestException();
  64                 }
  65
  66                 $data = json_decode($postdata);
  67                 if (is_object($data) && !empty($this->parameters['nickname'])) {
  68                         $user = User::getByNickname($this->parameters['nickname']);
  69                         if (empty($user)) {
  70                                 throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  71                         }
  72                         $this->dispatchPrivate($user, $postdata);
  73                 } elseif (!$this->dispatchPublic($postdata)) {
  74                         (new Salmon(
  75                                 $this->database,
  76                                 $this->l10n,
  77                                 $this->baseUrl,
  78                                 $this->args,
  79                                 $this->logger,
  80                                 $this->profiler,
  81                                 $this->response,
  82                                 $this->server,
  83                                 $this->parameters
  84                         ))->rawContent($request);
  85                 }
  86         }
  87
  88         private function dispatchPublic(string $postdata): bool
  89         {
  90                 $msg = Diaspora::decodeRaw($postdata, '', true);
  91                 if (!is_array($msg)) {
  92                         // We have to fail silently to be able to hand it over to the salmon parser
  93                         $this->logger->warning('Diaspora::decodeRaw() has failed for some reason.');
  94                         return false;
  95                 }
  96
  97                 // Fetch the corresponding public contact
  98                 $contact_id = Contact::getIdForURL($msg['author']);
  99                 if (empty($contact_id)) {
 100                         $this->logger->notice('Contact not found', ['address' => $msg['author']]);
 101                         System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
 102                 }
 103
 104                 // Fetch the importer (Mixture of sender and receiver)
 105                 $importer = DFRN::getImporter($contact_id);
 106                 if (empty($importer)) {
 107                         $this->logger->notice('Importer contact not found', ['address' => $msg['author']]);
 108                         System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
 109                 }
 110
 111                 $this->logger->debug('Importing post with the public envelope.', ['transmitter' => $msg['author']]);
 112
 113                 // Now we should be able to import it
 114                 $ret = DFRN::import($msg['message'], $importer, Conversation::PARCEL_DIASPORA_DFRN, Conversation::RELAY);
 115                 System::xmlExit($ret, 'Done');
 116
 117                 return true;
 118         }
 119
 120         private function dispatchPrivate(array $user, string $postdata)
 121         {
 122                 $msg = Diaspora::decodeRaw($postdata, $user['prvkey'] ?? '');
 123                 if (!is_array($msg)) {
 124                         System::xmlExit(4, 'Unable to parse message');
 125                 }
 126
 127                 // Fetch the contact
 128                 $contact = Contact::getByURLForUser($msg['author'], $user['uid'], null, ['id', 'blocked', 'pending']);
 129                 if (empty($contact['id'])) {
 130                         $this->logger->notice('Contact not found', ['address' => $msg['author']]);
 131                         System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
 132                 }
 133
 134                 if ($contact['pending'] || $contact['blocked']) {
 135                         $this->logger->notice('Contact is blocked or pending', ['address' => $msg['author'], 'contact' => $contact]);
 136                         System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
 137                 }
 138
 139                 // Fetch the importer (Mixture of sender and receiver)
 140                 $importer = DFRN::getImporter($contact['id'], $user['uid']);
 141                 if (empty($importer)) {
 142                         $this->logger->notice('Importer contact not found for user', ['uid' => $user['uid'], 'cid' => $contact['id'], 'address' => $msg['author']]);
 143                         System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
 144                 }
 145
 146                 $this->logger->debug('Importing post with the private envelope.', ['transmitter' => $msg['author'], 'receiver' => $user['nickname']]);
 147
 148                 // Now we should be able to import it
 149                 $ret = DFRN::import($msg['message'], $importer, Conversation::PARCEL_DIASPORA_DFRN, Conversation::PUSH);
 150                 System::xmlExit($ret, 'Done');
 151         }
 152 }