From c1dec50248970ef9b9bca29a49b347c8076b5dc6 Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Sun, 13 Jan 2019 18:03:13 +0000
Subject: [PATCH] Avoiding some notices

---
 src/Model/Contact.php | 3 +++
 src/Module/Login.php  | 4 ++--
 src/Util/JsonLD.php   | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 90b86789cc..c6e11bca67 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -579,6 +579,9 @@ class Contact extends BaseObject
 	 */
 	public static function terminateFriendship(array $user, array $contact, $dissolve = false)
 	{
+		if (empty($contact['network'])) {
+			return;
+		}
 		if (($contact['network'] == Protocol::DFRN) && $dissolve) {
 			DFRN::deliver($user, $contact, 'placeholder', true);
 		} elseif (in_array($contact['network'], [Protocol::OSTATUS, Protocol::DFRN])) {
diff --git a/src/Module/Login.php b/src/Module/Login.php
index b312a7879d..41ea917cf3 100644
--- a/src/Module/Login.php
+++ b/src/Module/Login.php
@@ -48,10 +48,10 @@ class Login extends BaseModule
 
 	public static function post()
 	{
-		$return_path = $_SESSION['return_path'];
+		$return_path = defaults($_SESSION, 'return_path', '');
 		session_unset();
 		$_SESSION['return_path'] = $return_path;
-		
+
 		// OpenId Login
 		if (
 			empty($_POST['password'])
diff --git a/src/Util/JsonLD.php b/src/Util/JsonLD.php
index 062fb00cd4..e9c52d3d05 100644
--- a/src/Util/JsonLD.php
+++ b/src/Util/JsonLD.php
@@ -95,7 +95,7 @@ class JsonLD
 
 		// Workaround for Nextcloud Social
 		// See issue https://github.com/nextcloud/social/issues/330
-		if (is_array($json['@context'])) {
+		if (!empty($json['@context']) && is_array($json['@context'])) {
 			$json['@context'][] = 'https://w3id.org/security/v1';
 		}