From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Sat, 9 Mar 2019 02:53:44 +0000 (-0500)
Subject: Add defaults() to url parameter in mod/follow
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=60c8668aca0d596319ca02dcfbabde7028c9b572;p=friendica.git

Add defaults() to url parameter in mod/follow

- Add error redirection to /contact when url param is empty
- Addresses part of https://github.com/friendica/friendica/issues/6338#issuecomment-470681556
---

diff --git a/mod/follow.php b/mod/follow.php
index abde4abd03..404c79ea10 100644
--- a/mod/follow.php
+++ b/mod/follow.php
@@ -60,7 +60,11 @@ function follow_content(App $a)
 	}
 
 	$uid = local_user();
-	$url = Strings::escapeTags(trim($_REQUEST['url']));
+	$url = Strings::escapeTags(trim(defaults($_REQUEST, 'url', '')));
+
+	if (!$url) {
+		$a->internalRedirect($return_path);
+	}
 
 	$submit = L10n::t('Submit Request');