mod/receive.php

   1 <?php
   2
   3 /**
   4  * Diaspora endpoint
   5  */
   6
   7 use Friendica\App;
   8 use Friendica\Core\Config;
   9
  10 require_once('include/salmon.php');
  11 require_once('include/crypto.php');
  12 require_once('include/diaspora.php');
  13
  14 function receive_post(App $a) {
  15         $enabled = intval(Config::get('system', 'diaspora_enabled'));
  16         if (!$enabled) {
  17                 logger('mod-diaspora: disabled');
  18                 http_status_exit(500);
  19         }
  20
  21         if (($a->argc == 2) && ($a->argv[1] === 'public')) {
  22                 $public = true;
  23                 $importer = false;
  24         } else {
  25                 $public = false;
  26
  27                 if ($a->argc != 3 || $a->argv[1] !== 'users') {
  28                         http_status_exit(500);
  29                 }
  30                 $guid = $a->argv[2];
  31
  32                 $importer = dba::select('user', array(), array('guid' => $guid, 'account_expired' => false, 'account_removed' => false), array('limit' => 1));
  33                 if (!dbm::is_result($importer)) {
  34                         http_status_exit(500);
  35                 }
  36         }
  37
  38         // It is an application/x-www-form-urlencoded
  39
  40         logger('mod-diaspora: receiving post', LOGGER_DEBUG);
  41
  42         $xml = urldecode($_POST['xml']);
  43
  44         if (!$xml) {
  45                 $postdata = file_get_contents("php://input");
  46                 if ($postdata == '') {
  47                         http_status_exit(500);
  48                 }
  49
  50                 logger('mod-diaspora: message is in the new format', LOGGER_DEBUG);
  51                 $msg = Diaspora::decode_raw($importer, $postdata);
  52         } else {
  53                 logger('mod-diaspora: decode message in the old format', LOGGER_DEBUG);
  54                 $msg = Diaspora::decode($importer, $xml);
  55
  56                 if ($public && !$msg) {
  57                         logger('mod-diaspora: decode message in the new format', LOGGER_DEBUG);
  58                         $msg = Diaspora::decode_raw($importer, $xml);
  59                 }
  60         }
  61
  62         logger('mod-diaspora: decoded', LOGGER_DEBUG);
  63
  64         logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
  65
  66         if (!is_array($msg)) {
  67                 http_status_exit(500);
  68         }
  69
  70         logger('mod-diaspora: dispatching', LOGGER_DEBUG);
  71
  72         $ret = true;
  73         if ($public) {
  74                 Diaspora::dispatch_public($msg);
  75         } else {
  76                 $ret = Diaspora::dispatch($importer, $msg);
  77         }
  78
  79         http_status_exit(($ret) ? 200 : 500);
  80         // NOTREACHED
  81 }
  82