mod/receive.php

   1 <?php
   2
   3 /**
   4  * Diaspora endpoint
   5  */
   6
   7 use Friendica\App;
   8
   9 require_once('include/salmon.php');
  10 require_once('include/crypto.php');
  11 require_once('include/diaspora.php');
  12
  13 function receive_post(App $a) {
  14         $enabled = intval(get_config('system', 'diaspora_enabled'));
  15         if (!$enabled) {
  16                 logger('mod-diaspora: disabled');
  17                 http_status_exit(500);
  18         }
  19
  20         $public = false;
  21
  22         if (($a->argc == 2) && ($a->argv[1] === 'public')) {
  23                 $public = true;
  24         } else {
  25
  26                 if ($a->argc != 3 || $a->argv[1] !== 'users') {
  27                         http_status_exit(500);
  28                 }
  29                 $guid = $a->argv[2];
  30
  31                 $r = q("SELECT * FROM `user` WHERE `guid` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
  32                         dbesc($guid)
  33                 );
  34                 if (!dbm::is_result($r)) {
  35                         http_status_exit(500);
  36                 }
  37
  38                 $importer = $r[0];
  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                 $msg = Diaspora::decode_raw($importer, $postdata);
  55         } else {
  56                 logger('mod-diaspora: message is in the old format', LOGGER_DEBUG);
  57                 $msg = Diaspora::decode($importer, $xml);
  58         }
  59
  60         logger('mod-diaspora: decoded', LOGGER_DEBUG);
  61
  62         logger('mod-diaspora: decoded msg: ' . print_r($msg, true), LOGGER_DATA);
  63
  64         if (!is_array($msg)) {
  65                 http_status_exit(500);
  66         }
  67
  68         logger('mod-diaspora: dispatching', LOGGER_DEBUG);
  69
  70         $ret = 0;
  71         if ($public) {
  72                 Diaspora::dispatch_public($msg);
  73         } else {
  74                 $ret = Diaspora::dispatch($importer, $msg);
  75         }
  76
  77         http_status_exit(($ret) ? $ret : 200);
  78         // NOTREACHED
  79 }
  80