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From "Daniel Kulp (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CXF-2100) Digest auth is broken
Date Tue, 10 Mar 2009 14:46:54 GMT

     [ https://issues.apache.org/jira/browse/CXF-2100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Kulp resolved CXF-2100.
------------------------------

       Resolution: Fixed
    Fix Version/s: 2.1.5
                   2.2


Patch applied.   Major thanks.

The only change I made was to add a flag to the base HttpAuthSupplier to allow any subclass
to specify whether they need the request caching or not.   That eliminates the "instanceof
DigestAuthSupplier" in the conduit and also allows us to do the same if we implement NTLM
auth later on as that will also need request caching.



> Digest auth is broken
> ---------------------
>
>                 Key: CXF-2100
>                 URL: https://issues.apache.org/jira/browse/CXF-2100
>             Project: CXF
>          Issue Type: Bug
>          Components: Transports
>    Affects Versions: 2.1.4, 2.2
>            Reporter: Christof Harnischmacher
>            Assignee: Daniel Kulp
>             Fix For: 2.2, 2.1.5
>
>         Attachments: digest-auth.patch
>
>
> When trying to connect to virtualearth webservice using cxf I found some issues
> in the cxf-rt-transports-http artifact regarding digest authentication
> 1) "authSupplier" configuration option is missing in org.apache.cxf.transport
> .http.spring.HttpConduitBeanDefinitionParser#mapSpecificElements, so it's not
> possible to configure a DigestAuthSupplier via cxf.xml.
> 2) In org.apache.cxf.transport.http.DigestAuthSupplier the method getPassword
> returns the username and vice versa.
> 3) In org.apache.cxf.transport.http.DigestAuthSupplier the 'opaque' field is
> always send to server even it was NULL, which results in 'opaque="null"'.
> RFC 2069 says:
> opaque
>   A string of data, specified by the server, which should be
>   returned by the client unchanged.  It is recommended that this
>   string be base64 or hexadecimal data.  This field is a
>   "quoted-string" as specified in section 2.2 of the HTTP/1.1
>   specification [2].
> So I think the correct handling is to skip the opaque field, when no opaque-field
> was sent by the server.
> 4) After a while the nonce may become stale, so a new digest has to be created.
> To achieve that, every request against an digest authenticated server needs to be
> cached and chunking has to be disabled to replay the request whith recalculated
> digest.
> 5) org.apache.cxf.transport.http.HTTPConduit#setHeadersByAuthorizationPolicy: If
> an authSupplier is present and a authString was generated, the method should return
> even when the authString is NULL, instead of creating a basic auth authorization
> header.
> I included patches, which allow me to connect against virtualearth token service.
> The wsdl can be found here: https://staging.common.virtualearth.net/find-30/common.asmx?WSDL,
> but you have to be authenticated to get it.

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