/*
- * Copyright 2001-2006 Internet2
- *
+ * 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
/**
* SAML2RedirectDecoder.cpp
- *
+ *
* SAML 2.0 HTTP Redirect binding message encoder
*/
#include "internal.h"
#include "exceptions.h"
-#include "binding/HTTPRequest.h"
+#include "saml2/binding/SAML2MessageDecoder.h"
#include "saml2/binding/SAML2Redirect.h"
-#include "saml2/binding/SAML2RedirectDecoder.h"
#include "saml2/core/Protocols.h"
#include "saml2/metadata/Metadata.h"
#include "saml2/metadata/MetadataProvider.h"
-#include <log4cpp/Category.hh>
#include <xercesc/util/Base64.hpp>
+#include <xmltooling/logging.h>
+#include <xmltooling/io/HTTPRequest.h>
#include <xmltooling/util/NDC.h>
#include <xmltooling/validation/ValidatorSuite.h>
using namespace opensaml::saml2;
using namespace opensaml;
using namespace xmlsignature;
+using namespace xmltooling::logging;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
namespace opensaml {
- namespace saml2p {
- MessageDecoder* SAML_DLLLOCAL SAML2RedirectDecoderFactory(const DOMElement* const & e)
+ namespace saml2p {
+ class SAML_DLLLOCAL SAML2RedirectDecoder : public SAML2MessageDecoder
+ {
+ public:
+ SAML2RedirectDecoder() {}
+ virtual ~SAML2RedirectDecoder() {}
+
+ xmltooling::XMLObject* decode(
+ std::string& relayState,
+ const GenericRequest& genericRequest,
+ SecurityPolicy& policy
+ ) const;
+ };
+
+ MessageDecoder* SAML_DLLLOCAL SAML2RedirectDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
{
- return new SAML2RedirectDecoder(e);
+ return new SAML2RedirectDecoder();
}
};
};
-SAML2RedirectDecoder::SAML2RedirectDecoder(const DOMElement* e) {}
-
-SAML2RedirectDecoder::~SAML2RedirectDecoder() {}
-
XMLObject* SAML2RedirectDecoder::decode(
string& relayState,
const GenericRequest& genericRequest,
log.debug("validating input");
const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
- if (!httpRequest) {
- log.error("unable to cast request to HTTPRequest type");
- return NULL;
- }
- if (strcmp(httpRequest->getMethod(),"GET"))
- return NULL;
+ if (!httpRequest)
+ throw BindingException("Unable to cast request object to HTTPRequest type.");
const char* msg = httpRequest->getParameter("SAMLResponse");
if (!msg)
msg = httpRequest->getParameter("SAMLRequest");
if (!msg)
- return NULL;
+ throw BindingException("Request missing SAMLRequest or SAMLResponse query string parameter.");
const char* state = httpRequest->getParameter("RelayState");
if (state)
relayState = state;
state = httpRequest->getParameter("SAMLEncoding");
if (state && strcmp(state,samlconstants::SAML20_BINDING_URL_ENCODING_DEFLATE)) {
log.warn("SAMLEncoding (%s) was not recognized", state);
- return NULL;
+ throw BindingException("Unsupported SAMLEncoding value.");
}
// Decode the compressed message into SAML. First we base64-decode it.
- unsigned int x;
+ xsecsize_t x;
XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(msg),&x);
if (!decoded)
throw BindingException("Unable to decode base64 in Redirect binding message.");
-
+
// Now we have to inflate it.
stringstream s;
- if (inflate((char*)decoded, x, s)==0) {
+ if (inflate(reinterpret_cast<char*>(decoded), x, s)==0) {
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
XMLString::release(&decoded);
+#else
+ XMLString::release((char**)&decoded);
+#endif
throw BindingException("Unable to inflate Redirect binding message.");
}
if (log.isDebugEnabled())
log.debug("decoded SAML message:\n%s", s.str().c_str());
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
XMLString::release(&decoded);
-
+#else
+ XMLString::release((char**)&decoded);
+#endif
+
// Parse and bind the document into an XMLObject.
- DOMDocument* doc = (m_validate ? XMLToolingConfig::getConfig().getValidatingParser()
+ DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
: XMLToolingConfig::getConfig().getParser()).parse(s);
XercesJanitor<DOMDocument> janitor(doc);
auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
janitor.release();
- saml2::RootObject* root = dynamic_cast<saml2::RootObject*>(xmlObject.get());
- if (!root)
- throw BindingException("XML content for SAML 2.0 HTTP-POST Decoder must be a SAML 2.0 protocol message.");
-
- try {
- if (!m_validate)
- SchemaValidators.validate(xmlObject.get());
-
- // Run through the policy.
- policy.evaluate(genericRequest, *root);
+ saml2::RootObject* root = NULL;
+ StatusResponseType* response = NULL;
+ RequestAbstractType* request = dynamic_cast<RequestAbstractType*>(xmlObject.get());
+ if (!request) {
+ response = dynamic_cast<StatusResponseType*>(xmlObject.get());
+ if (!response)
+ throw BindingException("XML content for SAML 2.0 HTTP-POST Decoder must be a SAML 2.0 protocol message.");
+ root = static_cast<saml2::RootObject*>(response);
+ }
+ else {
+ root = static_cast<saml2::RootObject*>(request);
}
- catch (XMLToolingException& ex) {
- // This is just to maximize the likelihood of attaching a source to the message for support purposes.
- if (policy.getIssuerMetadata())
- annotateException(&ex,policy.getIssuerMetadata()); // throws it
-
- const Issuer* claimedIssuer = root->getIssuer();
- if (!claimedIssuer || !claimedIssuer->getName())
- throw;
- const EntityDescriptor* provider=NULL;
- if (!policy.getMetadataProvider() ||
- !(provider=policy.getMetadataProvider()->getEntityDescriptor(claimedIssuer->getName(), false))) {
- // Just record it.
- auto_ptr_char iname(claimedIssuer->getName());
- if (iname.get())
- ex.addProperty("entityID", iname.get());
- throw;
- }
- if (policy.getRole()) {
- const RoleDescriptor* roledesc=provider->getRoleDescriptor(*(policy.getRole()), samlconstants::SAML20P_NS);
- if (roledesc) annotateException(&ex,roledesc); // throws it
- }
- annotateException(&ex,provider); // throws it
+ SchemaValidators.validate(root);
+
+ // Run through the policy.
+ extractMessageDetails(*root, genericRequest, samlconstants::SAML20P_NS, policy);
+ policy.evaluate(*root, &genericRequest);
+
+ // Check destination URL.
+ auto_ptr_char dest(request ? request->getDestination() : response->getDestination());
+ const char* dest2 = httpRequest->getRequestURL();
+ const char* delim = strchr(dest2, '?');
+ if ((root->getSignature() || httpRequest->getParameter("Signature")) && (!dest.get() || !*(dest.get()))) {
+ log.error("signed SAML message missing Destination attribute");
+ throw BindingException("Signed SAML message missing Destination attribute identifying intended destination.");
+ }
+ else if (dest.get() && *dest.get() && ((delim && strncmp(dest.get(), dest2, delim - dest2)) || (!delim && strcmp(dest.get(),dest2)))) {
+ log.error("Redirect targeted at (%s), but delivered to (%s)", dest.get(), dest2);
+ throw BindingException("SAML message delivered with Redirect to incorrect server URL.");
}
- xmlObject.release();
- return root;
+ return xmlObject.release();
}
projects / shibboleth / cpp-opensaml.git / blobdiff