X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FBaseModule.php;h=0e0fedb80c35925b4809595287c88254ae2a4c12;hb=d4f7bfa676bc9a8ffcb304912b48b360453d0f3c;hp=1dbf3f38d5245fb890eb686169787814c0e0f81c;hpb=e80d68ba53776bed047d897f52db7e25b35a479d;p=friendica.git

diff --git a/src/BaseModule.php b/src/BaseModule.php
index 1dbf3f38d5..0e0fedb80c 100644
--- a/src/BaseModule.php
+++ b/src/BaseModule.php
@@ -96,11 +96,11 @@ abstract class BaseModule
 	 * Functions used to protect against Cross-Site Request Forgery
 	 * The security token has to base on at least one value that an attacker can't know - here it's the session ID and the private key.
 	 * In this implementation, a security token is reusable (if the user submits a form, goes back and resubmits the form, maybe with small changes;
-	 * or if the security token is used for ajax-calls that happen several times), but only valid for a certain amout of time (3hours).
-	 * The "typename" seperates the security tokens of different types of forms. This could be relevant in the following case:
-	 *    A security token is used to protekt a link from CSRF (e.g. the "delete this profile"-link).
+	 * or if the security token is used for ajax-calls that happen several times), but only valid for a certain amount of time (3hours).
+	 * The "typename" separates the security tokens of different types of forms. This could be relevant in the following case:
+	 *    A security token is used to protect a link from CSRF (e.g. the "delete this profile"-link).
 	 *    If the new page contains by any chance external elements, then the used security token is exposed by the referrer.
-	 *    Actually, important actions should not be triggered by Links / GET-Requests at all, but somethimes they still are,
+	 *    Actually, important actions should not be triggered by Links / GET-Requests at all, but sometimes they still are,
 	 *    so this mechanism brings in some damage control (the attacker would be able to forge a request to a form of this type, but not to forms of other types).
 	 */
 	public static function getFormSecurityToken($typename = '')
@@ -108,7 +108,7 @@ abstract class BaseModule
 		$a = DI::app();
 
 		$timestamp = time();
-		$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $timestamp . $typename);
+		$sec_hash = hash('whirlpool', ($a->user['guid'] ?? '') . ($a->user['prvkey'] ?? '') . session_id() . $timestamp . $typename);
 
 		return $timestamp . '.' . $sec_hash;
 	}