(Bug 4654) Additional ?user=parameter for supporthelps

Debugging aid.

htdocs/tools/endpoints/getuserpics.bml

@@ -17,15 +17,23 @@ _c?>
     use strict;
     use JSON;
 
+    use vars qw( %GET );
+
     my $err = sub {
         my $msg = shift;
         return JSON::objToJson({
             'alert' => $msg,
         });
     };
 
+    my $remote = LJ::get_remote();
+
+    my $alt_u;
+    $alt_u = LJ::load_user( $GET{user} )
+        if $GET{user} && $remote->has_priv( "supporthelp" );
+
     # get user
-    my $u = LJ::get_remote()
+    my $u = ( $alt_u || $remote )
         or return $err->("Sorry, you must be logged in to use this feature.");
 
     # get userpics