Prevent an empty AssetProxy macro from causing an infinite loop. Fixes bug #12046. Thanks to Trex for the patch!

docs/changelog/7.x.x.txt

@@ -4,6 +4,7 @@
  - fixed #12045: Job listing template, missing summary
  - fixed #12043: Collaboration Systems don't pull mail that fast!
  - fixed #12044: Spectre::Cron and non-integer time units
+ - fixed #12046: Empty AssetProxy creates infinite loop (Dale Trexel)
 
 7.10.9
  - fixed #12030: Calendar Feed Time Zone Issue

lib/WebGUI/Macro/AssetProxy.pm

@@ -42,6 +42,15 @@ Defaults to 'url'. But if you want to use an assetId as the first parameter, the
 #-------------------------------------------------------------------
 sub process {
     my ($session, $identifier, $type) = @_;
+    if (!$identifier) {
+        $session->errorHandler->warn('AssetProxy macro called without an asset to proxy. ' 
+        . 'The macro was called through this url: '.$session->asset->get('url'));
+        if ($session->var->isAdminOn) {
+            my $i18n = WebGUI::International->new($session, 'Macro_AssetProxy');
+            return $i18n->get('invalid url');
+        }
+        return;
+    }
     my $t = ($session->errorHandler->canShowPerformanceIndicators()) ? [Time::HiRes::gettimeofday()] : undef;
     my $asset;
     if ($type eq 'assetId') {

t/Macro/AssetProxy.t

@@ -14,24 +14,22 @@ use lib "$FindBin::Bin/../lib";
 
 use WebGUI::Test;
 use WebGUI::Session;
-use HTML::TokeParser;
+use WebGUI::Asset;
 
 use Test::More; # increment this value for each test you create
 
 my $session = WebGUI::Test->session;
 
-my $numTests = 0;
+plan tests => 2;
 
-$numTests += 1; #For the use_ok
+use WebGUI::Macro::AssetProxy;
 
-plan tests => $numTests;
+$session->asset(WebGUI::Asset->getDefault($session));
 
-my $macro = 'WebGUI::Macro::AssetProxy';
-my $loaded = use_ok($macro);
-
-SKIP: {
-
-skip "Unable to load $macro", $numTests-1 unless $loaded;
-
-}
+my $output;
+$output = WebGUI::Macro::AssetProxy::process($session);
+is $output,  undef, 'calling AssetProxy with no identifier returns no error message in normal mode';
 
+$session->var->switchAdminOn;
+$output = WebGUI::Macro::AssetProxy::process($session);
+like $output, qr/Invalid Asset URL/, '..., adminOn, return error message';