File: SAML2SOAPClient.h

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/*
 *  Copyright 2001-2009 Internet2
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @file saml/saml2/binding/SAML2SOAPClient.h
 * 
 * Specialized SOAPClient for SAML 2.0 SOAP binding.
 */

#ifndef __saml2_soap11client_h__
#define __saml2_soap11client_h__

#include <saml/base.h>

namespace opensaml {

    class SAML_API SOAPClient;

    namespace saml2md {
        class SAML_API MetadataCredentialCriteria;
    };

    namespace saml2p {
        
        class SAML_API RequestAbstractType;
        class SAML_API StatusResponseType;
        class SAML_API Status;

        /**
         * Specialized SOAPClient for SAML 2.0 SOAP binding.
         */
        class SAML_API SAML2SOAPClient
        {
        public:
            /**
             * Constructor
             * 
             * @param soaper            reference to SOAPClient object to use for call
             * @param fatalSAMLErrors   true iff a non-successful SAML Status code should be fatal
             */
            SAML2SOAPClient(SOAPClient& soaper, bool fatalSAMLErrors=true);

            virtual ~SAML2SOAPClient();
    
            /**
             * Specialized method for sending SAML 2.0 requests. The SOAP layer will be
             * constructed automatically.
             * 
             * <p>The request will be freed by the client object regardless of the outcome.
             * 
             * @param request   SAML request to send
             * @param to        peer to send message to, expressed in metadata criteria terms
             * @param from      identity of sending application
             * @param endpoint  URL of endpoint to recieve message
             */
            virtual void sendSAML(RequestAbstractType* request, const char* from, saml2md::MetadataCredentialCriteria& to, const char* endpoint);
            
            /**
             * Specialized method for receiving SAML 2.0 responses. The SOAP layer will be
             * evaluated automatically, and the attached policy will be applied to the Response.
             * 
             * <p>The caller is responsible for freeing the response.
             * 
             * @return SAML 2.0 response, after SecurityPolicy has been applied
             */
            virtual StatusResponseType* receiveSAML();

        protected:
            /**
             * Handling of SAML errors.
             * 
             * @param status SAML Status received by client
             * @return true iff the error should be treated as a fatal error
             */
            virtual bool handleError(const Status& status);

            /** SOAP client object */
            SOAPClient& m_soaper;

            /** Flag controlling default error handler. */
            bool m_fatal;

        private:
            XMLCh* m_correlate;
        };
        
    };
};

#endif /* __saml2_soap11client_h__ */