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\Database\DBM;
  10 use Friendica\Protocol\Diaspora;
  11
  12 /**
  13  * @param object $a App
  14  * @return void
  15  */
  16 function receive_post(App $a)
  17 {
  18         $enabled = intval(Config::get('system', 'diaspora_enabled'));
  19         if (!$enabled) {
  20                 logger('mod-diaspora: disabled');
  21                 http_status_exit(500);
  22         }
  23
  24         if (($a->argc == 2) && ($a->argv[1] === 'public')) {
  25                 $public = true;
  26                 $importer = false;
  27         } else {
  28                 $public = false;
  29
  30                 if ($a->argc != 3 || $a->argv[1] !== 'users') {
  31                         http_status_exit(500);
  32                 }
  33                 $guid = $a->argv[2];
  34
  35                 $importer = dba::selectFirst('user', [], ['guid' => $guid, 'account_expired' => false, 'account_removed' => false]);
  36                 if (!DBM::is_result($importer)) {
  37                         http_status_exit(500);
  38                 }
  39         }
  40
  41         // It is an application/x-www-form-urlencoded
  42
  43         logger('mod-diaspora: receiving post', LOGGER_DEBUG);
  44
  45         $xml = urldecode($_POST['xml']);
  46
  47         if (!$xml) {
  48                 $postdata = file_get_contents("php://input");
  49                 if ($postdata == '') {
  50                         http_status_exit(500);
  51                 }
  52
  53                 logger('mod-diaspora: message is in the new format', LOGGER_DEBUG);
  54                 $msg = Diaspora::decodeRaw($importer, $postdata);
  55         } else {
  56                 logger('mod-diaspora: decode message in the old format', LOGGER_DEBUG);
  57                 $msg = Diaspora::decode($importer, $xml);
  58
  59                 if ($public && !$msg) {
  60                         logger('mod-diaspora: decode message in the new format', LOGGER_DEBUG);
  61                         $msg = Diaspora::decodeRaw($importer, $xml);
  62                 }
  63         }
  64
  65         logger('mod-diaspora: decoded', LOGGER_DEBUG);
  66
  67         logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
  68
  69         if (!is_array($msg)) {
  70                 http_status_exit(500);
  71         }
  72
  73         logger('mod-diaspora: dispatching', LOGGER_DEBUG);
  74
  75         $ret = true;
  76         if ($public) {
  77                 Diaspora::dispatchPublic($msg);
  78         } else {
  79                 $ret = Diaspora::dispatch($importer, $msg);
  80         }
  81
  82         http_status_exit(($ret) ? 200 : 500);
  83         // NOTREACHED
  84 }