[jira] [Created] (CXF-6400) Make ws-security.callback-handler optional for generating a WS-Security signature

[Willem Salembier (JIRA)]

Willem Salembier created CXF-6400:
-------------------------------------

             Summary: Make ws-security.callback-handler optional for generating 
a WS-Security signature
                 Key: CXF-6400
                 URL: https://issues.apache.org/jira/browse/CXF-6400
             Project: CXF
          Issue Type: Improvement
          Components: WS-* Components
    Affects Versions: 2.7.16
            Reporter: Willem Salembier


In AbstractBindingBuilder the presence of a callbackhandler is required to 
generate a signature. If not a PolicyException is generated.

{code}
Caused by: org.apache.cxf.ws.policy.PolicyException: No callback handler and no 
password available
        at 
org.apache.cxf.ws.security.wss4j.policyhandlers.AbstractBindingBuilder.policyNotAsserted(AbstractBindingBuilder.java:313)
        at 
org.apache.cxf.ws.security.wss4j.policyhandlers.AbstractBindingBuilder.getPassword(AbstractBindingBuilder.java:1003)
        at 
org.apache.cxf.ws.security.wss4j.policyhandlers.AbstractBindingBuilder.getSignatureBuilder(AbstractBindingBuilder.java:1832)
        at 
org.apache.cxf.ws.security.wss4j.policyhandlers.AsymmetricBindingHandler.doSignature(AsymmetricBindingHandler.java:567)
{code}

https://github.com/apache/cxf/blob/71e20b4f5b918005055589b47e40f37733721676/rt/ws/security/src/main/java/org/apache/cxf/ws/security/wss4j/policyhandlers/AbstractBindingBuilder.java#L931

With the addition of the property 
{{org.apache.ws.security.crypto.merlin.keystore.private.password}} in wss4j, a 
callbackhandler to retrieve the private key password isn't strictly necessary 
anymore. Can CXF be adapted in this way?

Currently we define an empty callbackhandler just to satisfy CXF

{code}
    @Override
    public void handle(Callback[] callbacks) throws IOException, 
UnsupportedCallbackException {
    }
{code}



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