+/*
+ * 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.
+ */
+
+/**
+ * SAML1SOAPEncoder.cpp
+ *
+ * SAML 1.x SOAP binding message encoder
+ */
+
+#include "internal.h"
+#include "exceptions.h"
+#include "binding/HTTPResponse.h"
+#include "saml1/binding/SAML1SOAPEncoder.h"
+#include "saml1/core/Protocols.h"
+
+#include <sstream>
+#include <log4cpp/Category.hh>
+#include <xmltooling/util/NDC.h>
+#include <xmltooling/soap/SOAP.h>
+
+using namespace opensaml::saml1p;
+using namespace opensaml;
+using namespace xmlsignature;
+using namespace soap11;
+using namespace xmltooling;
+using namespace log4cpp;
+using namespace std;
+
+namespace opensaml {
+ namespace saml1p {
+ MessageEncoder* SAML_DLLLOCAL SAML1SOAPEncoderFactory(const DOMElement* const & e)
+ {
+ return new SAML1SOAPEncoder(e);
+ }
+ };
+};
+
+SAML1SOAPEncoder::SAML1SOAPEncoder(const DOMElement* e) {}
+
+long SAML1SOAPEncoder::encode(
+ GenericResponse& genericResponse,
+ XMLObject* xmlObject,
+ const char* destination,
+ const char* recipientID,
+ const char* relayState,
+ const CredentialResolver* credResolver,
+ const XMLCh* sigAlgorithm
+ ) const
+{
+#ifdef _DEBUG
+ xmltooling::NDC ndc("encode");
+#endif
+ Category& log = Category::getInstance(SAML_LOGCAT".MessageEncoder.SAML1SOAP");
+
+ log.debug("validating input");
+ if (xmlObject->getParent())
+ throw BindingException("Cannot encode XML content with parent.");
+
+ genericResponse.setContentType("text/xml");
+
+ DOMElement* rootElement = NULL;
+ Response* response = dynamic_cast<Response*>(xmlObject);
+ if (response) {
+ try {
+ Envelope* env = EnvelopeBuilder::buildEnvelope();
+ Body* body = BodyBuilder::buildBody();
+ env->setBody(body);
+ body->getXMLObjects().push_back(response);
+ if (credResolver ) {
+ if (response->getSignature()) {
+ log.debug("response already signed, skipping signature operation");
+ rootElement = env->marshall();
+ }
+ else {
+ log.debug("signing and marshalling the response");
+
+ // Build a Signature.
+ Signature* sig = buildSignature(credResolver, sigAlgorithm);
+ response->setSignature(sig);
+
+ // Sign response while marshalling.
+ vector<Signature*> sigs(1,sig);
+ rootElement = env->marshall((DOMDocument*)NULL,&sigs);
+ }
+ }
+ else {
+ log.debug("marshalling the response");
+ rootElement = env->marshall();
+ }
+
+ string xmlbuf;
+ XMLHelper::serialize(rootElement, xmlbuf);
+ istringstream s(xmlbuf);
+ log.debug("sending serialized response");
+ long ret = genericResponse.sendResponse(s);
+
+ // Cleanup by destroying XML.
+ delete env;
+ return ret;
+ }
+ catch (XMLToolingException&) {
+ // A bit weird...we have to "revert" things so that the response is isolated
+ // so the caller can free it.
+ if (response->getParent()) {
+ response->getParent()->detach();
+ response->detach();
+ }
+ throw;
+ }
+ }
+
+ Fault* fault = dynamic_cast<Fault*>(xmlObject);
+ if (fault) {
+ try {
+ log.debug("building Envelope and marshalling Fault");
+ Envelope* env = EnvelopeBuilder::buildEnvelope();
+ Body* body = BodyBuilder::buildBody();
+ env->setBody(body);
+ body->getXMLObjects().push_back(fault);
+ rootElement = env->marshall();
+
+ string xmlbuf;
+ XMLHelper::serialize(rootElement, xmlbuf);
+ istringstream s(xmlbuf);
+ log.debug("sending serialized fault");
+ long ret = genericResponse.sendError(s);
+
+ // Cleanup by destroying XML.
+ delete env;
+ return ret;
+ }
+ catch (XMLToolingException&) {
+ // A bit weird...we have to "revert" things so that the fault is isolated
+ // so the caller can free it.
+ if (fault->getParent()) {
+ fault->getParent()->detach();
+ fault->detach();
+ }
+ throw;
+ }
+ }
+
+ Envelope* env = dynamic_cast<Envelope*>(xmlObject);
+ if (env) {
+ log.debug("marshalling envelope");
+ rootElement = env->marshall();
+
+ bool error =
+ (env->getBody() &&
+ env->getBody()->hasChildren() &&
+ dynamic_cast<Fault*>(env->getBody()->getXMLObjects().front()));
+
+ string xmlbuf;
+ XMLHelper::serialize(rootElement, xmlbuf);
+ istringstream s(xmlbuf);
+ log.debug("sending serialized envelope");
+ long ret = error ? genericResponse.sendError(s) : genericResponse.sendResponse(s);
+
+ // Cleanup by destroying XML.
+ delete env;
+ return ret;
+ }
+
+ throw BindingException("XML content for SAML 1.x SOAP Encoder must be a SAML 1.x <Response> or SOAP Fault/Envelope.");
+}