/*
- * Copyright 2001-2007 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
/**
* Shib1SessionInitiator.cpp
- *
+ *
* Shibboleth 1.x AuthnRequest support.
*/
}
}
virtual ~Shib1SessionInitiator() {}
-
+
void setParent(const PropertySet* parent);
void receive(DDF& in, ostream& out);
+ pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
private:
pair<bool,long> doRequest(
const Application& application,
+ const HTTPRequest* httpRequest,
HTTPResponse& httpResponse,
const char* entityID,
const char* acsLocation,
+ bool artifact,
string& relayState
) const;
string m_appId;
return make_pair(false,0L);
string target;
+ string postData;
const Handler* ACS=NULL;
const char* option;
const Application& app=request.getApplication();
ACS = app.getDefaultAssertionConsumerService();
}
+ // Validate the ACS for use with this protocol.
+ pair<bool,const char*> ACSbinding = ACS ? ACS->getString("Binding") : pair<bool,const char*>(false,NULL);
+ if (ACSbinding.first) {
+ pair<bool,const char*> compatibleBindings = getString("compatibleBindings");
+ if (compatibleBindings.first && strstr(compatibleBindings.second, ACSbinding.second) == NULL) {
+ m_log.info("configured or requested ACS has non-SAML 1.x binding");
+ return make_pair(false,0L);
+ }
+ else if (strcmp(ACSbinding.second, samlconstants::SAML1_PROFILE_BROWSER_POST) &&
+ strcmp(ACSbinding.second, samlconstants::SAML1_PROFILE_BROWSER_ARTIFACT)) {
+ m_log.info("configured or requested ACS has non-SAML 1.x binding");
+ return make_pair(false,0L);
+ }
+ }
+
// Compute the ACS URL. We add the ACS location to the base handlerURL.
string ACSloc=request.getHandlerURL(target.c_str());
pair<bool,const char*> loc=ACS ? ACS->getString("Location") : pair<bool,const char*>(false,NULL);
target = option;
}
+ // Is the in-bound binding artifact?
+ bool artifactInbound = ACS ? XMLString::equals(ACS->getString("Binding").second, samlconstants::SAML1_PROFILE_BROWSER_ARTIFACT) : false;
+
m_log.debug("attempting to initiate session using Shibboleth with provider (%s)", entityID.c_str());
- if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess))
- return doRequest(app, request, entityID.c_str(), ACSloc.c_str(), target);
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ // Out of process means the POST data via the request can be exposed directly to the private method.
+ // The method will handle POST preservation if necessary *before* issuing the response, but only if
+ // it dispatches to an IdP.
+ return doRequest(app, &request, request, entityID.c_str(), ACSloc.c_str(), artifactInbound, target);
+ }
// Remote the call.
DDF out,in = DDF(m_address.c_str()).structure();
in.addmember("application_id").string(app.getId());
in.addmember("entity_id").string(entityID.c_str());
in.addmember("acsLocation").string(ACSloc.c_str());
+ if (artifactInbound)
+ in.addmember("artifact").integer(1);
if (!target.empty())
- in.addmember("RelayState").string(target.c_str());
+ in.addmember("RelayState").unsafe_string(target.c_str());
- // Remote the processing.
+ // Remote the processing. Our unwrap method will handle POST data if necessary.
out = request.getServiceProvider().getListenerService()->send(in);
return unwrap(request, out);
}
+pair<bool,long> Shib1SessionInitiator::unwrap(SPRequest& request, DDF& out) const
+{
+ // See if there's any response to send back.
+ if (!out["redirect"].isnull() || !out["response"].isnull()) {
+ // If so, we're responsible for handling the POST data, probably by dropping a cookie.
+ preservePostData(request.getApplication(), request, request, out["RelayState"].string());
+ }
+ return RemotedHandler::unwrap(request, out);
+}
+
void Shib1SessionInitiator::receive(DDF& in, ostream& out)
{
// Find application.
// Since we're remoted, the result should either be a throw, which we pass on,
// a false/0 return, which we just return as an empty structure, or a response/redirect,
// which we capture in the facade and send back.
- doRequest(*app, *http.get(), entityID, acsLocation, relayState);
+ doRequest(*app, NULL, *http.get(), entityID, acsLocation, (in["artifact"].integer() != 0), relayState);
+ if (!ret.isstruct())
+ ret.structure();
+ ret.addmember("RelayState").unsafe_string(relayState.c_str());
out << ret;
}
pair<bool,long> Shib1SessionInitiator::doRequest(
const Application& app,
+ const HTTPRequest* httpRequest,
HTTPResponse& httpResponse,
const char* entityID,
const char* acsLocation,
+ bool artifact,
string& relayState
) const
{
throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
}
else if (!entity.second) {
- m_log.warn("unable to locate Shibboleth-aware identity provider role for provider (%s)", entityID);
+ m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate Shibboleth-aware identity provider role for provider (%s)", entityID);
if (getParent())
return make_pair(false,0L);
throw MetadataException("Unable to locate Shibboleth-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
}
+ else if (artifact && !SPConfig::getConfig().getArtifactResolver()->isSupported(dynamic_cast<const SSODescriptorType&>(*entity.second))) {
+ m_log.warn("artifact profile selected for response, but identity provider lacks support");
+ if (getParent())
+ return make_pair(false,0L);
+ throw MetadataException("Identity provider ($entityID) lacks SAML artifact support.", namedparams(1, "entityID", entityID));
+ }
+
const EndpointType* ep=EndpointManager<SingleSignOnService>(
dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()
).getByBinding(shibspconstants::SHIB1_AUTHNREQUEST_PROFILE_URI);
"&time=" + timebuf + "&target=" + urlenc->encode(relayState.c_str()) +
"&providerId=" + urlenc->encode(app.getRelyingParty(entity.first)->getString("entityID").second);
+ if (httpRequest) {
+ // If the request object is available, we're responsible for the POST data.
+ preservePostData(app, *httpRequest, httpResponse, relayState.c_str());
+ }
+
return make_pair(true, httpResponse.sendRedirect(req.c_str()));
#else
return make_pair(false,0L);