From 3704bb5be3af7d2aa2ae3e82002df942d944bf86 Mon Sep 17 00:00:00 2001
From: "A.Unger" <zyxancf@gmail.com>
Date: Wed, 22 Jul 2020 09:24:42 +0200
Subject: [PATCH] add defensive code on type assertion

---
 pkg/service/v0/service.go | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/pkg/service/v0/service.go b/pkg/service/v0/service.go
index b5d56853a..336537a65 100644
--- a/pkg/service/v0/service.go
+++ b/pkg/service/v0/service.go
@@ -115,14 +115,15 @@ func getFailsafeIdentifier(c context.Context, identifier *proto.Identifier) *pro
 		identifier = &proto.Identifier{}
 	}
 	if identifier.AccountUuid == "me" {
-		ownAccountUUID := c.Value(middleware.UUIDKey).(string)
-		if len(ownAccountUUID) > 0 {
-			identifier.AccountUuid = ownAccountUUID
-		} else {
-			// might be valid for the request not having an AccountUuid in the identifier.
-			// but clear it, instead of passing on `me`.
-			identifier.AccountUuid = ""
+		ownAccountUUID, ok := c.Value(middleware.UUIDKey).(string)
+		if ok {
+			if len(ownAccountUUID) > 0 {
+				identifier.AccountUuid = ownAccountUUID
+			}
 		}
+		// might be valid for the request not having an AccountUuid in the identifier.
+		// but clear it, instead of passing on `me`.
+		identifier.AccountUuid = ""
 	}
 	identifier.AccountUuid = strings.ToLower(identifier.AccountUuid)
 	return identifier