/*
- * Copyright 2001-2007 Internet2
- *
+ * Copyright 2001-2010 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.
*/
#include "internal.h"
#include "Application.h"
-#include "SPRequest.h"
+#include "exceptions.h"
+#include "ServiceProvider.h"
#include "handler/AbstractHandler.h"
+#include "handler/RemotedHandler.h"
#include "handler/SessionInitiator.h"
#include "util/SPConstants.h"
-#include <saml/saml2/metadata/Metadata.h>
-#include <saml/saml2/metadata/EndpointManager.h>
+#ifndef SHIBSP_LITE
+# include "metadata/MetadataProviderCriteria.h"
+# include <saml/saml2/metadata/Metadata.h>
+# include <saml/saml2/metadata/EndpointManager.h>
+# include <saml/util/SAMLConstants.h>
+#else
+# include "lite/SAMLConstants.h"
+#endif
#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/util/URLEncoder.h>
using namespace opensaml::saml2md;
using namespace opensaml;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
namespace shibsp {
#pragma warning( disable : 4250 )
#endif
- class SHIBSP_DLLLOCAL Shib1SessionInitiator : public SessionInitiator, public AbstractHandler
+ class SHIBSP_DLLLOCAL Shib1SessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
{
public:
Shib1SessionInitiator(const DOMElement* e, const char* appId)
- : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator")) {}
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.Shib1"), nullptr, &m_remapper), m_appId(appId) {
+ // If Location isn't set, defer address registration until the setParent call.
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::Shib1SI";
+ setAddress(address.c_str());
+ }
+ }
virtual ~Shib1SessionInitiator() {}
-
- pair<bool,long> run(SPRequest& request, const char* entityID=NULL, bool isHandler=true) const;
+
+ 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;
+
+ const XMLCh* getProtocolFamily() const {
+ return samlconstants::SAML11_PROTOCOL_ENUM;
+ }
+
+ 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;
};
#if defined (_MSC_VER)
};
-pair<bool,long> Shib1SessionInitiator::run(SPRequest& request, const char* entityID, bool isHandler) const
+void Shib1SessionInitiator::setParent(const PropertySet* parent)
+{
+ DOMPropertySet::setParent(parent);
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::Shib1SI";
+ setAddress(address.c_str());
+ }
+ else {
+ m_log.warn("no Location property in Shib1 SessionInitiator (or parent), can't register as remoted handler");
+ }
+}
+
+pair<bool,long> Shib1SessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
{
// We have to know the IdP to function.
- if (!entityID || !*entityID)
- return make_pair(false,0);
+ if (entityID.empty() || !checkCompatibility(request, isHandler))
+ return make_pair(false,0L);
string target;
- const char* option;
- const Handler* ACS=NULL;
- const Application& app=request.getApplication();
+ pair<bool,const char*> prop;
+ const Handler* ACS=nullptr;
+ const Application& app = request.getApplication();
if (isHandler) {
- option=request.getParameter("acsIndex");
- if (option)
- ACS=app.getAssertionConsumerServiceByIndex(atoi(option));
+ prop.second = request.getParameter("acsIndex");
+ if (prop.second && *prop.second) {
+ ACS = app.getAssertionConsumerServiceByIndex(atoi(prop.second));
+ if (!ACS)
+ request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");
+ }
+
+ prop = getString("target", request);
+ if (prop.first)
+ target = prop.second;
- option = request.getParameter("target");
- if (option)
- target = option;
- recoverRelayState(request, target, false);
+ // Since we're passing the ACS by value, we need to compute the return URL,
+ // so we'll need the target resource for real.
+ recoverRelayState(app, request, request, target, false);
}
else {
- // We're running as a "virtual handler" from within the filter.
- // The target resource is the current one and everything else is defaulted.
- target=request.getRequestURL();
+ // Check for a hardwired target value in the map or handler.
+ prop = getString("target", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
+ if (prop.first)
+ target = prop.second;
+ else
+ target = request.getRequestURL();
}
-
- m_log.debug("attempting to initiate session using SAML 1.x with provider (%s)", entityID);
- // Use metadata to invoke the SSO service directly.
- MetadataProvider* m=app.getMetadataProvider();
- Locker locker(m);
- const EntityDescriptor* entity=m->getEntityDescriptor(entityID);
- if (!entity) {
- m_log.error("unable to locate metadata for provider (%s)", entityID);
- return make_pair(false,0);
- }
- const IDPSSODescriptor* role=entity->getIDPSSODescriptor(shibspconstants::SHIB1_PROTOCOL_ENUM);
- if (!role) {
- m_log.error("unable to locate Shibboleth-aware identity provider role for provider (%s)", entityID);
- return make_pair(false,0);
- }
- const EndpointType* ep=EndpointManager<SingleSignOnService>(role->getSingleSignOnServices()).getByBinding(
- shibspconstants::SHIB1_AUTHNREQUEST_PROFILE_URI
- );
- if (!ep) {
- m_log.error("unable to locate compatible SSO service for provider (%s)", entityID);
- return make_pair(false,0);
+ // Since we're not passing by index, we need to fully compute the return URL.
+ if (!ACS) {
+ // Try fixed index property, or incoming binding set, or default, in order.
+ pair<bool,unsigned int> index = getUnsignedInt("acsIndex", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
+ if (index.first) {
+ ACS = app.getAssertionConsumerServiceByIndex(index.second);
+ if (!ACS)
+ request.log(SPRequest::SPWarn, "invalid acsIndex property, using default ACS location");
+ }
+ /*
+ for (vector<string>::const_iterator b = m_incomingBindings.begin(); !ACS && b != m_incomingBindings.end(); ++b) {
+ ACS = app.getAssertionConsumerServiceByBinding(b->c_str());
+ if (ACS && !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily()))
+ ACS = nullptr;
+ }
+ */
+ if (!ACS)
+ ACS = app.getDefaultAssertionConsumerService();
}
- auto_ptr_char dest(ep->getLocation());
- if (!ACS)
- ACS = app.getDefaultAssertionConsumerService();
+ // Validate the ACS for use with this protocol.
+ if (ACS && !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily())) {
+ m_log.error("configured or requested ACS has non-SAML 1.x binding");
+ throw ConfigurationException("Configured or requested ACS has non-SAML 1.x binding ($1).", params(1, ACS->getString("Binding").second));
+ }
// 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);
- if (loc.first) ACSloc+=loc.second;
+ string ACSloc = request.getHandlerURL(target.c_str());
+ prop = ACS ? ACS->getString("Location") : pair<bool,const char*>(false,nullptr);
+ if (prop.first)
+ ACSloc += prop.second;
if (isHandler) {
// We may already have RelayState set if we looped back here,
- // but just in case target is a resource, we reset it back.
- option = request.getParameter("target");
- if (option)
- target = option;
+ // but we've turned it back into a resource by this point, so if there's
+ // a target on the URL, reset to that value.
+ prop.second = request.getParameter("target");
+ if (prop.second && *prop.second)
+ target = prop.second;
+ }
+
+ // 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)) {
+ // 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);
}
- preserveRelayState(request, target);
+
+ // Remote the call.
+ DDF out,in = DDF(m_address.c_str()).structure();
+ DDFJanitor jin(in), jout(out);
+ 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").unsafe_string(target.c_str());
+
+ // 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.
+ const char* aid=in["application_id"].string();
+ const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
+ if (!app) {
+ // Something's horribly wrong.
+ m_log.error("couldn't find application (%s) to generate AuthnRequest", aid ? aid : "(missing)");
+ throw ConfigurationException("Unable to locate application for new session, deleted?");
+ }
+
+ const char* entityID = in["entity_id"].string();
+ const char* acsLocation = in["acsLocation"].string();
+ if (!entityID || !acsLocation)
+ throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");
+
+ DDF ret(nullptr);
+ DDFJanitor jout(ret);
+
+ // Wrap the outgoing object with a Response facade.
+ auto_ptr<HTTPResponse> http(getResponse(ret));
+
+ string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
+
+ // 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, nullptr, *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
+{
+#ifndef SHIBSP_LITE
+ // Use metadata to invoke the SSO service directly.
+ MetadataProvider* m=app.getMetadataProvider();
+ Locker locker(m);
+ MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, shibspconstants::SHIB1_PROTOCOL_ENUM);
+ pair<const EntityDescriptor*,const RoleDescriptor*> entity = m->getEntityDescriptor(mc);
+ if (!entity.first) {
+ m_log.warn("unable to locate metadata for provider (%s)", entityID);
+ throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+ else if (!entity.second) {
+ 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);
+ if (!ep) {
+ m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
+ if (getParent())
+ return make_pair(false,0L);
+ throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+
+ preserveRelayState(app, httpResponse, relayState);
// Shib 1.x requires a target value.
- if (target.empty())
- target = "default";
+ if (relayState.empty())
+ relayState = "default";
char timebuf[16];
- sprintf(timebuf,"%u",time(NULL));
+ sprintf(timebuf,"%lu",time(nullptr));
const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
- string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "shire=" + urlenc->encode(ACSloc.c_str()) +
- "&time=" + timebuf + "&target=" + urlenc->encode(target.c_str()) +
- "&providerId=" + urlenc->encode(app.getString("entityID").second);
+ auto_ptr_char dest(ep->getLocation());
+ string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "shire=" + urlenc->encode(acsLocation) +
+ "&time=" + timebuf + "&target=" + urlenc->encode(relayState.c_str()) +
+ "&providerId=" + urlenc->encode(app.getRelyingParty(entity.first)->getString("entityID").second);
- return make_pair(true, request.sendRedirect(req.c_str()));
+ 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);
+#endif
}
projects / shibboleth / cpp-sp.git / blobdiff