mod/receive.php

   1 <?php
   2 /**
   3  * @file mod/receive.php
   4  * @brief Diaspora endpoint
   5  */
   6
   7 use Friendica\App;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\Logger;
  10 use Friendica\Core\System;
  11 use Friendica\Database\DBA;
  12 use Friendica\Protocol\Diaspora;
  13 use Friendica\Util\Network;
  14
  15 /**
  16  * @param App $a App
  17  * @return void
  18  * @throws ImagickException
  19  * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  20  */
  21 function receive_post(App $a)
  22 {
  23         $enabled = intval(Config::get('system', 'diaspora_enabled'));
  24         if (!$enabled) {
  25                 Logger::log('mod-diaspora: disabled');
  26                 throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  27         }
  28
  29         if (($a->argc == 2) && ($a->argv[1] === 'public')) {
  30                 $public = true;
  31                 $importer = [];
  32         } else {
  33                 $public = false;
  34
  35                 if ($a->argc != 3 || $a->argv[1] !== 'users') {
  36                         throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  37                 }
  38                 $guid = $a->argv[2];
  39
  40                 $importer = DBA::selectFirst('user', [], ['guid' => $guid, 'account_expired' => false, 'account_removed' => false]);
  41                 if (!DBA::isResult($importer)) {
  42                         throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  43                 }
  44         }
  45
  46         // It is an application/x-www-form-urlencoded
  47
  48         Logger::log('mod-diaspora: receiving post', Logger::DEBUG);
  49
  50         if (empty($_POST['xml'])) {
  51                 $postdata = Network::postdata();
  52                 if ($postdata == '') {
  53                         throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  54                 }
  55
  56                 Logger::log('mod-diaspora: message is in the new format', Logger::DEBUG);
  57                 $msg = Diaspora::decodeRaw($importer, $postdata);
  58         } else {
  59                 $xml = urldecode($_POST['xml']);
  60
  61                 Logger::log('mod-diaspora: decode message in the old format', Logger::DEBUG);
  62                 $msg = Diaspora::decode($importer, $xml);
  63
  64                 if ($public && !$msg) {
  65                         Logger::log('mod-diaspora: decode message in the new format', Logger::DEBUG);
  66                         $msg = Diaspora::decodeRaw($importer, $xml);
  67                 }
  68         }
  69
  70         Logger::log('mod-diaspora: decoded', Logger::DEBUG);
  71
  72         Logger::log('mod-diaspora: decoded msg: ' . print_r($msg, true), Logger::DATA);
  73
  74         if (!is_array($msg)) {
  75                 throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  76         }
  77
  78         Logger::log('mod-diaspora: dispatching', Logger::DEBUG);
  79
  80         $ret = true;
  81         if ($public) {
  82                 Diaspora::dispatchPublic($msg);
  83         } else {
  84                 $ret = Diaspora::dispatch($importer, $msg);
  85         }
  86
  87         if ($ret) {
  88                 throw new \Friendica\Network\HTTPException\OKException();
  89         } else {
  90                 throw new \Friendica\Network\HTTPException\InternalServerErrorException();
  91         }
  92 }