Make Ruby passive template work again (#2439)

ZAP complained about `appliesToHistoryType()` missing.

Signed-off-by: Anders K. Madsen <[email protected]>

addOns/jruby/CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 - Fix link in a script template.
 - Fix exception while uninstalling the add-on with newer Java versions.
+- Fix passive template.
 
 ## 6 - 2017-11-27
 

addOns/jruby/src/main/zapHomeFiles/scripts/templates/passive/Passive default template.rb

@@ -6,6 +6,7 @@
 require 'java'
 java_package 'org.zaproxy.zap.extension.pscan'
 java_import 'org.zaproxy.zap.extension.pscan.PassiveScript'
+java_import 'org.zaproxy.zap.extension.pscan.PluginPassiveScanner'
 java_import 'org.zaproxy.zap.extension.pscan.scanner.ScriptsPassiveScanner'
 java_import 'org.parosproxy.paros.network.HttpMessage'
 java_import 'net.htmlparser.jericho.Source'
@@ -35,5 +36,10 @@ def scan(ps, msg, src)
   end
 end
 
+# Tells whether or not the scanner applies to the given history type.
+def appliesToHistoryType(historyType)
+  PluginPassiveScanner.getDefaultHistoryTypes().include?(historyType);
+end
+
 # This is required - dont delete it or you'll break the script
-JRubyPassiveScript.new
+JRubyPassiveScript.new