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From "Andreas Veithen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (RAMPART-356) Namespaces problem in RampartUtil.getPartsAndElements causes XPath problem: No Such Function
Date Wed, 18 Jan 2012 17:32:39 GMT

    [ https://issues.apache.org/jira/browse/RAMPART-356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13188558#comment-13188558
] 

Andreas Veithen commented on RAMPART-356:
-----------------------------------------

The entire findAllPrefixNamespaces thing is actually completely wrong and is not covered by
any XML related spec; see RAMPART-40.
                
> Namespaces problem in RampartUtil.getPartsAndElements causes XPath problem: No Such Function
> --------------------------------------------------------------------------------------------
>
>                 Key: RAMPART-356
>                 URL: https://issues.apache.org/jira/browse/RAMPART-356
>             Project: Rampart
>          Issue Type: Bug
>          Components: rampart-core
>    Affects Versions: 1.5.2
>            Reporter: HJHorst
>
> I have a policy which contains an XPath expression to find some elements that need to
be signed: 
> 				<sp:SignedElements>
> 					<sp:XPath>/*[namespace-uri()='http://schemas.xmlsoap.org/soap/envelope/' and
local-name()='Envelope']/*[namespace-uri()='http://schemas.xmlsoap.org/soap/envelope/' and
local-name()='Header']/*[namespace-uri()='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd'
and local-name()='Security']/*[namespace-uri()='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd'
and local-name()='Timestamp']</sp:XPath>
> 					<sp:XPath>/*[namespace-uri()='http://www.w3.org/2003/05/soap-envelope' and
local-name()='Envelope']/*[namespace-uri()='http://www.w3.org/2003/05/soap-envelope' and local-name()='Header']/*[namespace-uri()='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd'
and local-name()='Security']/*[namespace-uri()='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd'
and local-name()='Timestamp']</sp:XPath>
> 				</sp:SignedElements>
> I created a client to call the webservice and I get this exception:
> java.lang.RuntimeException: org.jaxen.UnresolvableException: No Such Function {http://fluffy.nl/someservice/1.1/}:namespace-uri
> 	at org.apache.rampart.util.RampartUtil.getPartsAndElements(RampartUtil.java:1251)
> 	at org.apache.rampart.util.RampartUtil.getSignedParts(RampartUtil.java:947)
> 	at org.apache.rampart.builder.AsymmetricBindingBuilder.doSignBeforeEncrypt(AsymmetricBindingBuilder.java:362)
> 	at org.apache.rampart.builder.AsymmetricBindingBuilder.build(AsymmetricBindingBuilder.java:95)
> 	at org.apache.rampart.MessageBuilder.build(MessageBuilder.java:147)
> 	at org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:64)
> 	at org.apache.axis2.engine.Phase.invoke(Phase.java:318)
> 	at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:254)
> 	at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:419)
> 	at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:402)
> 	at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
> 	at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
> 	at wsrl.proxy.SomeService_V1_1Stub.getInfo(SomeService_V1_1Stub.java:503)
> 	at project1.StatusCall.main(StatusCall.java:71)
> Caused by: org.jaxen.UnresolvableException: No Such Function {http://fluffy.nl/someservice/1.1/}:namespace-uri
> 	at org.jaxen.SimpleFunctionContext.getFunction(SimpleFunctionContext.java:127)
> 	at org.jaxen.ContextSupport.getFunction(ContextSupport.java:242)
> 	at org.jaxen.Context.getFunction(Context.java:216)
> 	at org.jaxen.expr.DefaultFunctionCallExpr.evaluate(DefaultFunctionCallExpr.java:172)
> 	at org.jaxen.expr.DefaultEqualityExpr.evaluate(DefaultEqualityExpr.java:75)
> 	at org.jaxen.expr.DefaultAndExpr.evaluate(DefaultAndExpr.java:82)
> 	at org.jaxen.expr.DefaultPredicate.evaluate(DefaultPredicate.java:95)
> 	at org.jaxen.expr.PredicateSet.applyPredicate(PredicateSet.java:269)
> 	at org.jaxen.expr.PredicateSet.evaluatePredicates(PredicateSet.java:244)
> 	at org.jaxen.expr.DefaultNameStep.evaluate(DefaultNameStep.java:215)
> 	at org.jaxen.expr.DefaultLocationPath.evaluate(DefaultLocationPath.java:140)
> 	at org.jaxen.expr.DefaultAbsoluteLocationPath.evaluate(DefaultAbsoluteLocationPath.java:113)
> 	at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102)
> 	at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:674)
> 	at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:213)
> 	at org.apache.rampart.util.RampartUtil.getPartsAndElements(RampartUtil.java:1211)
> I think the problem is caused by line 1190 of RampartUtil.java:	
>         // decide what exactly is going to be used - only the default namespaces, or
the list of all declared namespaces in the message !
>         Set namespaces = findAllPrefixNamespaces(envelope, decNamespaces);
> 		
> Rampart tries to find all namespace declarations from my request envelope, and with these
declarations execute the XPath expression.
> My envelope has a default namespace declared somewhere, so there is no prefix. This causes
the exception on line 1211:
>                 List selectedNodes = xp.selectNodes(envelope);
> Jaxen assigns my default namespace to the XPath functions and can't find them anymore.
> I think findAllPrefixNamespaces should not be called on the envelope at all, perhaps
on the WSDL, (perhaps not at all: see comments on RAMPART-67)

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