SAML 2.0 SOAP client.

[shibboleth/cpp-opensaml.git] / saml / saml2 / binding / impl / SAML2SOAPClient.cpp

diff --git a/saml/saml2/binding/impl/SAML2SOAPClient.cpp b/saml/saml2/binding/impl/SAML2SOAPClient.cpp
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+/*
+ *  Copyright 2001-2006 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.
+ */
+
+/**
+ * SAML2SOAPClient.cpp
+ * 
+ * Specialized SOAPClient for SAML 2.0 SOAP binding.
+ */
+
+#include "internal.h"
+#include "exceptions.h"
+#include "saml2/binding/SAML2SOAPClient.h"
+#include "saml2/core/Protocols.h"
+#include "saml2/metadata/Metadata.h"
+
+#include <log4cpp/Category.hh>
+#include <xmltooling/soap/SOAP.h>
+
+using namespace opensaml::saml2p;
+using namespace opensaml::saml2md;
+using namespace opensaml;
+using namespace soap11;
+using namespace xmltooling;
+using namespace log4cpp;
+using namespace std;
+
+void SAML2SOAPClient::sendSAML(RequestAbstractType* request, const RoleDescriptor& peer, const char* endpoint)
+{
+    Envelope* env = EnvelopeBuilder::buildEnvelope();
+    Body* body = BodyBuilder::buildBody();
+    env->setBody(body);
+    body->getXMLObjects().push_back(request);
+    try {
+        send(env, peer, endpoint);
+        m_correlate = XMLString::replicate(request->getID());
+        delete env;
+    }
+    catch (XMLToolingException&) {
+        // A bit weird...we have to "revert" things so that the request is isolated
+        // so the caller can free it.
+        request->getParent()->detach();
+        request->detach();
+        throw;
+    }
+}
+
+StatusResponseType* SAML2SOAPClient::receiveSAML()
+{
+    auto_ptr<Envelope> env(receive());
+    if (env.get()) {
+        Body* body = env->getBody();
+        if (body && body->hasChildren()) {
+            // Check for SAML Response.
+            StatusResponseType* response = dynamic_cast<StatusResponseType*>(body->getXMLObjects().front());
+            if (response) {
+                
+                // Check InResponseTo.
+                if (m_correlate && !XMLString::equals(m_correlate, response->getInResponseTo()))
+                    throw BindingException("InResponseTo attribute did not correlate with the Request ID.");
+                
+                // Check Status.
+                Status* status = response->getStatus();
+                if (status) {
+                    const XMLCh* code = status->getStatusCode() ? status->getStatusCode()->getValue() : NULL;
+                    if (code && !XMLString::equals(code,StatusCode::SUCCESS) && handleError(*status))
+                        throw BindingException("SAML Response contained an error.");
+                }
+                
+                m_policy.evaluate(*response);
+                env.release();
+                body->detach(); // frees Envelope
+                response->detach();   // frees Body
+                return response;
+            }
+        }
+        
+        throw BindingException("SOAP Envelope did not contain a SAML Response or a Fault.");
+    }
+    return NULL;
+}
+
+bool SAML2SOAPClient::handleError(const Status& status)
+{
+    auto_ptr_char code((status.getStatusCode() ? status.getStatusCode()->getValue() : NULL));
+    auto_ptr_char str((status.getStatusMessage() ? status.getStatusMessage()->getMessage() : NULL));
+    Category::getInstance(SAML_LOGCAT".SOAPClient").error(
+        "SOAP client detected a SAML error: (%s) (%s)",
+        (code.get() ? code.get() : "no code"),
+        (str.get() ? str.get() : "no message")
+        );
+    return true;
+}