#include "internal.h"
#include "exceptions.h"
+#include "binding/HTTPRequest.h"
#include "saml1/core/Assertions.h"
#include "saml1/binding/SAML1POSTDecoder.h"
#include "saml2/metadata/Metadata.h"
#include "saml2/metadata/MetadataProvider.h"
-#include "security/X509TrustEngine.h"
#include <log4cpp/Category.hh>
#include <xercesc/util/Base64.hpp>
#include <xmltooling/util/NDC.h>
-#include <xmltooling/util/ReplayCache.h>
#include <xmltooling/validation/ValidatorSuite.h>
using namespace opensaml::saml2md;
using namespace opensaml::saml1p;
using namespace opensaml::saml1;
using namespace opensaml;
-using namespace xmlsignature;
using namespace xmltooling;
using namespace log4cpp;
using namespace std;
Response* SAML1POSTDecoder::decode(
string& relayState,
- const RoleDescriptor*& issuer,
- const XMLCh*& securityMech,
- const HTTPRequest& httpRequest,
- const MetadataProvider* metadataProvider,
- const QName* role,
- const opensaml::TrustEngine* trustEngine
+ const GenericRequest& genericRequest,
+ SecurityPolicy& policy
) const
{
#ifdef _DEBUG
Category& log = Category::getInstance(SAML_LOGCAT".MessageDecoder.SAML1POST");
log.debug("validating input");
- if (strcmp(httpRequest.getMethod(),"POST"))
+ const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
+ if (!httpRequest) {
+ log.error("unable to cast request to HTTPRequest type");
return NULL;
- const char* samlResponse = httpRequest.getParameter("SAMLResponse");
- const char* TARGET = httpRequest.getParameter("TARGET");
+ }
+ if (strcmp(httpRequest->getMethod(),"POST"))
+ return NULL;
+ const char* samlResponse = httpRequest->getParameter("SAMLResponse");
+ const char* TARGET = httpRequest->getParameter("TARGET");
if (!samlResponse || !TARGET)
return NULL;
relayState = TARGET;
if (!response)
throw BindingException("Decoded message was not a SAML 1.x Response.");
- const EntityDescriptor* provider=NULL;
try {
if (!m_validate)
SchemaValidators.validate(xmlObject.get());
// Check recipient URL.
auto_ptr_char recipient(response->getRecipient());
- const char* recipient2 = httpRequest.getRequestURL();
+ const char* recipient2 = httpRequest->getRequestURL();
if (!recipient.get() || !*(recipient.get())) {
log.error("response missing Recipient attribute");
throw BindingException("SAML response did not contain Recipient attribute identifying intended destination.");
throw BindingException("SAML message delivered with POST to incorrect server URL.");
}
- // Check freshness.
- time_t now = time(NULL);
- if (response->getIssueInstant()->getEpoch() < now-(2*XMLToolingConfig::getConfig().clock_skew_secs))
- throw BindingException("Detected expired POST profile response.");
-
- // Check replay.
- ReplayCache* replayCache = XMLToolingConfig::getConfig().getReplayCache();
- if (replayCache) {
- auto_ptr_char id(response->getResponseID());
- if (!replayCache->check("SAML1POST", id.get(), response->getIssueInstant()->getEpoch() + (2*XMLToolingConfig::getConfig().clock_skew_secs))) {
- log.error("replay detected of response ID (%s)", id.get());
- throw BindingException("Rejecting replayed response ID ($1).", params(1,id.get()));
- }
- }
- else
- log.warn("replay cache was not provided, this is a serious security risk!");
-
- /* For SAML 1, the issuer can only be established from any assertions in the message.
- * Generally, errors aren't delivered like this, so there should be one.
- * The Issuer attribute is matched against metadata, and then trust checking can be
- * applied.
- */
- issuer = NULL;
- securityMech = NULL;
- log.debug("attempting to establish issuer and integrity of message...");
- const vector<Assertion*>& assertions=const_cast<const Response*>(response)->getAssertions();
- if (!assertions.empty()) {
- log.debug("searching metadata for assertion issuer...");
- provider=metadataProvider ? metadataProvider->getEntityDescriptor(assertions.front()->getIssuer()) : NULL;
- if (provider) {
- log.debug("matched assertion issuer against metadata, searching for applicable role...");
- pair<bool,int> minor = response->getMinorVersion();
- issuer=provider->getRoleDescriptor(
- *role,
- (minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM
- );
- if (issuer) {
- if (trustEngine && response->getSignature()) {
- if (trustEngine->validate(*(response->getSignature()), *issuer, metadataProvider->getKeyResolver())) {
- securityMech = samlconstants::SAML1P_NS;
- }
- else {
- log.error("unable to verify signature on message with supplied trust engine");
- throw BindingException("Message signature failed verification.");
- }
- }
- else {
- log.warn("unable to authenticate the message, leaving untrusted");
- }
- }
- else {
- log.warn(
- "unable to find compatible SAML 1.%d role (%s) in metadata",
- (minor.first && minor.second==0) ? 0 : 1,
- role->toString().c_str()
- );
- }
- if (log.isDebugEnabled()) {
- auto_ptr_char iname(assertions.front()->getIssuer());
- log.debug("message from (%s), integrity %sverified", iname.get(), securityMech ? "" : "NOT ");
- }
- }
- else {
- auto_ptr_char temp(assertions.front()->getIssuer());
- log.warn("no metadata found, can't establish identity of issuer (%s)", temp.get());
- }
- }
- else {
- log.warn("no assertions found, can't establish identity of issuer");
- }
+ // Run through the policy.
+ policy.evaluate(genericRequest, *response);
}
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
+
// Check for an Issuer.
- if (!provider) {
- const vector<Assertion*>& assertions=const_cast<const Response*>(response)->getAssertions();
- if (!assertions.empty() || !metadataProvider ||
- !(provider=metadataProvider->getEntityDescriptor(assertions.front()->getIssuer(), false))) {
- // Just record it.
- auto_ptr_char iname(assertions.front()->getIssuer());
- if (iname.get())
- ex.addProperty("entityID", iname.get());
- throw;
- }
+ const EntityDescriptor* provider=NULL;
+ const vector<Assertion*>& assertions=const_cast<const Response*>(response)->getAssertions();
+ if (!assertions.empty() || !policy.getMetadataProvider() ||
+ !(provider=policy.getMetadataProvider()->getEntityDescriptor(assertions.front()->getIssuer(), false))) {
+ // Just record it.
+ auto_ptr_char iname(assertions.front()->getIssuer());
+ if (iname.get())
+ ex.addProperty("entityID", iname.get());
+ throw;
}
- if (!issuer) {
+ if (policy.getRole()) {
pair<bool,int> minor = response->getMinorVersion();
- issuer=provider->getRoleDescriptor(
- *role,
+ const RoleDescriptor* roledesc=provider->getRoleDescriptor(
+ *(policy.getRole()),
(minor.first && minor.second==0) ? samlconstants::SAML10_PROTOCOL_ENUM : samlconstants::SAML11_PROTOCOL_ENUM
);
+ if (roledesc) annotateException(&ex,roledesc); // throws it
}
- if (issuer) annotateException(&ex,issuer); // throws it
annotateException(&ex,provider); // throws it
}
projects / shibboleth / cpp-opensaml.git / blobdiff