mod/receive.php

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