Provide a fallback for contents of .wgaccess files. Fixes bug #12328

docs/changelog/7.x.x.txt

@@ -4,6 +4,7 @@
 - fixed #12327: HttpProxy does not clean up cookie jar storage locations
 - fixed #12329: FlatDiscount Sku forces you to enter in negative numbers for price
 - fixed #12334: Company name with : in it breaks email sender identity
+- fixed #12328: invalid wgaccess file in uploads
 
 7.10.24
  - fixed #12318: asset error causes asset manager to fail

lib/WebGUI/URL/Uploads.pm

@@ -69,9 +69,9 @@ sub handler {
         }
         else {
             my $privs = JSON->new->decode($fileContents);
-            @users = @{ $privs->{users} };
-            @groups = @{ $privs->{groups} };
-            @assets = @{ $privs->{assets} };
+            @users  = @{ $privs->{users}  || [] };
+            @groups = @{ $privs->{groups} || [] };
+            @assets = @{ $privs->{assets} || [] };
             $state  = $privs->{state};
         }