Standards

[friendica.git] / src / Model / GServer.php

diff --git a/src/Model/GServer.php b/src/Model/GServer.php
index 30a1acc02a3df74ff97d290b31dd6eeb4ef63a41..7e1d178ddfe1bf6986f36cc9464b00b95f165148 100644 (file)
--- a/src/Model/GServer.php
+++ b/src/Model/GServer.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -802,6 +802,7 @@ class GServer
        /**
         * Parses Nodeinfo 2
         *
+        * @see https://git.feneas.org/jaywink/nodeinfo2
         * @param string $nodeinfo_url address of the nodeinfo path
         * @return array Server data
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
@@ -850,7 +851,9 @@ class GServer
                if (!empty($nodeinfo['protocols'])) {
                        $protocols = [];
                        foreach ($nodeinfo['protocols'] as $protocol) {
-                               $protocols[$protocol] = true;
+                               if (is_string($protocol)) {
+                                       $protocols[$protocol] = true;
+                               }
                        }
 
                        if (!empty($protocols['dfrn'])) {
@@ -1475,6 +1478,10 @@ class GServer
         */
        private static function analyseRootBody($curlResult, array $serverdata, string $url)
        {
+               if (empty($curlResult->getBody())) {
+                       return $serverdata;
+               }
+
                $doc = new DOMDocument();
                @$doc->loadHTML($curlResult->getBody());
                $xpath = new DOMXPath($doc);