/*
- * 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
/**
* SAMLDSSessionInitiator.cpp
- *
+ *
* SAML Discovery Service support.
*/
#include "internal.h"
#include "Application.h"
#include "exceptions.h"
-#include "SPRequest.h"
#include "handler/AbstractHandler.h"
#include "handler/SessionInitiator.h"
#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/impl/AnyElement.h>
#include <xmltooling/util/URLEncoder.h>
using namespace shibsp;
using namespace opensaml;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
+#ifndef SHIBSP_LITE
+# include <saml/saml2/metadata/Metadata.h>
+# include <saml/saml2/metadata/MetadataProvider.h>
+using namespace opensaml::saml2md;
+#endif
+
namespace shibsp {
#if defined (_MSC_VER)
{
public:
SAMLDSSessionInitiator(const DOMElement* e, const char* appId)
- : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator")), m_url(NULL), m_returnParam(NULL) {
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.SAMLDS")), m_url(nullptr), m_returnParam(nullptr)
+#ifndef SHIBSP_LITE
+ ,m_discoNS("urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol")
+#endif
+ {
pair<bool,const char*> url = getString("URL");
if (!url.first)
throw ConfigurationException("SAMLDS SessionInitiator requires a URL property.");
url = getString("entityIDParam");
if (url.first)
m_returnParam = url.second;
+ m_supportedOptions.insert("isPassive");
}
virtual ~SAMLDSSessionInitiator() {}
-
- pair<bool,long> run(SPRequest& request, const char* entityID=NULL, bool isHandler=true) const;
+
+ pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
+
+#ifndef SHIBSP_LITE
+ void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
+ static const XMLCh LOCAL_NAME[] = UNICODE_LITERAL_17(D,i,s,c,o,v,e,r,y,R,e,s,p,o,n,s,e);
+
+ // Initial guess at index to use.
+ pair<bool,unsigned int> ix = getUnsignedInt("index");
+ if (!ix.first)
+ ix.second = 1;
+
+ // Find maximum index in use and go one higher.
+ if (role.getExtensions()) {
+ const vector<XMLObject*>& exts = const_cast<const Extensions*>(role.getExtensions())->getUnknownXMLObjects();
+ for (vector<XMLObject*>::const_reverse_iterator i = exts.rbegin(); i != exts.rend(); ++i) {
+ if (XMLString::equals((*i)->getElementQName().getLocalPart(), LOCAL_NAME) &&
+ XMLString::equals((*i)->getElementQName().getNamespaceURI(), m_discoNS.get())) {
+ const AttributeExtensibleXMLObject* sub = dynamic_cast<const AttributeExtensibleXMLObject*>(*i);
+ if (sub) {
+ const XMLCh* val = sub->getAttribute(xmltooling::QName(nullptr,IndexedEndpointType::INDEX_ATTRIB_NAME));
+ if (val) {
+ int maxindex = XMLString::parseInt(val);
+ if (ix.second <= maxindex)
+ ix.second = maxindex + 1;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ const char* loc = getString("Location").second;
+ string hurl(handlerURL);
+ if (*loc != '/')
+ hurl += '/';
+ hurl += loc;
+ auto_ptr_XMLCh widen(hurl.c_str());
+
+ ostringstream os;
+ os << ix.second;
+ auto_ptr_XMLCh widen2(os.str().c_str());
+
+ ElementProxy* ep = new AnyElementImpl(m_discoNS.get(), LOCAL_NAME);
+ ep->setAttribute(xmltooling::QName(nullptr,EndpointType::LOCATION_ATTRIB_NAME), widen.get());
+ ep->setAttribute(xmltooling::QName(nullptr,EndpointType::BINDING_ATTRIB_NAME), m_discoNS.get());
+ ep->setAttribute(xmltooling::QName(nullptr,IndexedEndpointType::INDEX_ATTRIB_NAME), widen2.get());
+ Extensions* ext = role.getExtensions();
+ if (!ext) {
+ ext = ExtensionsBuilder::buildExtensions();
+ role.setExtensions(ext);
+ }
+ ext->getUnknownXMLObjects().push_back(ep);
+ }
+#endif
private:
const char* m_url;
const char* m_returnParam;
+#ifndef SHIBSP_LITE
+ auto_ptr_XMLCh m_discoNS;
+#endif
};
#if defined (_MSC_VER)
};
-pair<bool,long> SAMLDSSessionInitiator::run(SPRequest& request, const char* entityID, bool isHandler) const
+pair<bool,long> SAMLDSSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
{
// The IdP CANNOT be specified for us to run. Otherwise, we'd be redirecting to a DS
// anytime the IdP's metadata was wrong.
- if (entityID && *entityID)
- return make_pair(false,0);
+ if (!entityID.empty() || !checkCompatibility(request, isHandler))
+ return make_pair(false,0L);
string target;
- const char* option;
+ pair<bool,const char*> prop;
bool isPassive=false;
const Application& app=request.getApplication();
+ pair<bool,const char*> discoveryURL = pair<bool,const char*>(true, m_url);
if (isHandler) {
- option = request.getParameter("SAMLDS");
- if (option && !strcmp(option,"1"))
- throw MetadataException("No identity provider was selected by user.");
-
- option = request.getParameter("target");
- if (option)
- target = option;
- recoverRelayState(request.getApplication(), request, target, false);
-
- option = request.getParameter("isPassive");
- if (option)
- isPassive = !strcmp(option,"true");
+ prop.second = request.getParameter("SAMLDS");
+ if (prop.second && !strcmp(prop.second,"1")) {
+ saml2md::MetadataException ex("No identity provider was selected by user.");
+ ex.addProperty("statusCode", "urn:oasis:names:tc:SAML:2.0:status:Requester");
+ ex.addProperty("statusCode2", "urn:oasis:names:tc:SAML:2.0:status:NoAvailableIDP");
+ ex.raise();
+ }
+
+ prop = getString("target", request);
+ if (prop.first)
+ target = prop.second;
+
+ recoverRelayState(app, request, request, target, false);
+
+ pair<bool,bool> passopt = getBool("isPassive", request);
+ isPassive = passopt.first && passopt.second;
+
+ prop.second = request.getParameter("discoveryURL");
+ if (prop.second && *prop.second)
+ discoveryURL.second = prop.second;
}
else {
- // We're running as a "virtual handler" from within the filter.
- // The target resource is the current one and everything else is
- // defaulted or set by content policy.
- target=request.getRequestURL();
- pair<bool,bool> passopt = getBool("isPassive");
+ // 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();
+
+ pair<bool,bool> passopt = getBool("isPassive", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
isPassive = passopt.first && passopt.second;
+ discoveryURL = request.getRequestSettings().first->getString("discoveryURL");
}
- m_log.debug("sending request to SAMLDS (%s)", m_url);
+ if (!discoveryURL.first)
+ discoveryURL.second = m_url;
+ m_log.debug("sending request to SAMLDS (%s)", discoveryURL.second);
// Compute the return URL. We start with a self-referential link.
- string returnURL=request.getHandlerURL(target.c_str());
- pair<bool,const char*> thisloc = getString("Location");
- if (thisloc.first) returnURL += thisloc.second;
+ string returnURL = request.getHandlerURL(target.c_str());
+ prop = getString("Location");
+ if (prop.first)
+ returnURL += prop.second;
returnURL += "?SAMLDS=1"; // signals us not to loop if we get no answer back
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;
}
- preserveRelayState(request.getApplication(), request, target);
+ preserveRelayState(app, request, target);
+ if (!isHandler)
+ preservePostData(app, request, request, target.c_str());
const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
if (isHandler) {
}
else {
// There's something in the query before target appears, so we have to find it.
- thisloc.second = strstr(query,"&target=");
- if (thisloc.second) {
+ prop.second = strstr(query, "&target=");
+ if (prop.second) {
// We found it, so first append everything up to it.
returnURL += '&';
- returnURL.append(query, thisloc.second - query);
- query = thisloc.second + 8; // move up just past the equals sign.
- thisloc.second = strchr(query, '&');
- if (thisloc.second)
- returnURL += thisloc.second;
+ returnURL.append(query, prop.second - query);
+ query = prop.second + 8; // move up just past the equals sign.
+ prop.second = strchr(query, '&');
+ if (prop.second)
+ returnURL += prop.second;
}
else {
// No target in the existing query, so just append it as is.
returnURL = returnURL + "&target=" + urlenc->encode(target.c_str());;
}
- string req=string(m_url) + (strchr(m_url,'?') ? '&' : '?') + "entityID=" + urlenc->encode(app.getString("entityID").second) +
+ string req=string(discoveryURL.second) + (strchr(discoveryURL.second,'?') ? '&' : '?') + "entityID=" + urlenc->encode(app.getString("entityID").second) +
"&return=" + urlenc->encode(returnURL.c_str());
if (m_returnParam)
req = req + "&returnIDParam=" + m_returnParam;
projects / shibboleth / sp.git / blobdiff