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From "Walter B. Rasmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WICKET-5319) CryptoMapper encrypts external URLs in ResourceReferences making the resources inaccessible
Date Fri, 16 Aug 2013 12:07:48 GMT
Walter B. Rasmann created WICKET-5319:
-----------------------------------------

             Summary: CryptoMapper encrypts external URLs in ResourceReferences making the
resources inaccessible
                 Key: WICKET-5319
                 URL: https://issues.apache.org/jira/browse/WICKET-5319
             Project: Wicket
          Issue Type: Bug
    Affects Versions: 6.9.1
         Environment: Linux
            Reporter: Walter B. Rasmann
            Priority: Minor


Short Description: 

CryptoMapper encrypts links to resources with URLs of the form:
 - http://domain/path/script.js
 - /local/absolute/path/script.js

Additionally there might be some inconsistencies in handling URLs in instances of ResourceReference.

The problem occurs when JavaScript resources are included in the following way:

@Override
public void renderHead(IHeaderResponse response)
{
	super.renderHead(response);
	
	UrlResourceReference reference = new UrlResourceReference(Url.parse("http://domain/path/script.js"));
	response.render(reference);
}

The resulting JavaScript links can't be loaded (404 is returned) when CryptoMapper is used.

This is a minor problem, because the following always works for JavaScript files not served
by Wicket ("external JavaScript files"):

response.render(new StringHeaderItem("<script type=\"text/javascript\" src=\"//domain/myPath/manual.js\"></script>");


Ways to reproduce: 

  A code example for wicket-examples is attached (example.zip)
  Local URLs:
     http://localhost:8080/jsref/enc/index
     http://localhost:8080/jsref/unenc/index


Possible fix: 

 - disable encryption for URLs beginning with '/', '<schema>://' and '//' and not served/filtered
by Wicket

 (
 - define different reference classes for external files and files served/filtered by Wicket,
issue warnings when a wrong URL type is supplied by the user or treat URLs beginning with
'/', '<schema>://' and '//' differently
 )

Thank you


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