src/Module/Inbox.php

   1 <?php
   2 /**
   3  * @file src/Module/Inbox.php
   4  */
   5 namespace Friendica\Module;
   6
   7 use Friendica\BaseModule;
   8 use Friendica\Protocol\ActivityPub;
   9 use Friendica\Core\System;
  10 use Friendica\Database\DBA;
  11
  12 /**
  13  * ActivityPub Inbox
  14  */
  15 class Inbox extends BaseModule
  16 {
  17         public static function init()
  18         {
  19                 $a = self::getApp();
  20
  21                 $postdata = file_get_contents('php://input');
  22
  23                 if (empty($postdata)) {
  24                         System::httpExit(400);
  25                 }
  26
  27                 if (ActivityPub::verifySignature($postdata, $_SERVER)) {
  28                         $filename = 'signed-activitypub';
  29                 } else {
  30                         $filename = 'failed-activitypub';
  31                 }
  32
  33                 $tempfile = tempnam(get_temppath(), $filename);
  34                 file_put_contents($tempfile, json_encode(['argv' => $a->argv, 'header' => $_SERVER, 'body' => $postdata]));
  35
  36                 logger('Incoming message stored under ' . $tempfile);
  37
  38                 if (!empty($a->argv[1])) {
  39                         $user = DBA::selectFirst('user', ['uid'], ['nickname' => $a->argv[1]]);
  40                         if (!DBA::isResult($user)) {
  41                                 System::httpExit(404);
  42                         }
  43                         $uid = $user['uid'];
  44                 } else {
  45                         $uid = 0;
  46                 }
  47
  48                 ActivityPub::processInbox($postdata, $_SERVER, $uid);
  49
  50                 System::httpExit(202);
  51         }
  52 }