2 * Copyright 2001-2007 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 * Handler for looking assertions in SessionCache
24 #include "Application.h"
25 #include "exceptions.h"
26 #include "ServiceProvider.h"
27 #include "SessionCache.h"
28 #include "handler/AbstractHandler.h"
29 #include "handler/RemotedHandler.h"
30 #include "util/SPConstants.h"
32 using namespace shibspconstants;
33 using namespace shibsp;
34 using namespace opensaml;
35 using namespace xmltooling;
40 #if defined (_MSC_VER)
41 #pragma warning( push )
42 #pragma warning( disable : 4250 )
45 class SHIBSP_DLLLOCAL Blocker : public DOMNodeFilter
48 short acceptNode(const DOMNode* node) const {
53 static SHIBSP_DLLLOCAL Blocker g_Blocker;
55 class SHIBSP_API AssertionLookup : public AbstractHandler, public RemotedHandler
58 AssertionLookup(const DOMElement* e, const char* appId);
59 virtual ~AssertionLookup() {}
61 pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
62 void receive(DDF& in, ostream& out);
65 pair<bool,long> processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const;
70 #if defined (_MSC_VER)
71 #pragma warning( pop )
74 Handler* SHIBSP_DLLLOCAL AssertionLookupFactory(const pair<const DOMElement*,const char*>& p)
76 return new AssertionLookup(p.first, p.second);
81 AssertionLookup::AssertionLookup(const DOMElement* e, const char* appId)
82 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".AssertionLookup"), &g_Blocker)
84 setAddress("run::AssertionLookup");
85 if (SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
86 pair<bool,const char*> acl = getString("exportACL");
88 m_acl.insert("127.0.0.1");
91 string aclbuf=acl.second;
93 for (unsigned int i=0; i < aclbuf.length(); i++) {
94 if (aclbuf.at(i)==' ') {
95 m_acl.insert(aclbuf.substr(j, i-j));
99 m_acl.insert(aclbuf.substr(j, aclbuf.length()-j));
103 pair<bool,long> AssertionLookup::run(SPRequest& request, bool isHandler) const
106 SPConfig& conf = SPConfig::getConfig();
107 if (conf.isEnabled(SPConfig::InProcess)) {
108 if (m_acl.count(request.getRemoteAddr()) == 0) {
109 m_log.error("request for assertion lookup blocked from invalid address (%s)", request.getRemoteAddr().c_str());
110 istringstream msg("Assertion Lookup Blocked");
111 return make_pair(true,request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_FORBIDDEN));
116 if (conf.isEnabled(SPConfig::OutOfProcess)) {
117 // When out of process, we run natively and directly process the message.
118 return processMessage(request.getApplication(), request, request);
121 // When not out of process, we remote all the message processing.
122 DDF out,in = wrap(request, NULL, true);
123 DDFJanitor jin(in), jout(out);
125 out=request.getServiceProvider().getListenerService()->send(in);
126 return unwrap(request, out);
129 catch (exception& ex) {
130 m_log.error("error while processing request: %s", ex.what());
131 istringstream msg("Assertion Lookup Failed");
132 return make_pair(true,request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_ERROR));
136 void AssertionLookup::receive(DDF& in, ostream& out)
139 const char* aid=in["application_id"].string();
140 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
142 // Something's horribly wrong.
143 m_log.error("couldn't find application (%s) for assertion lookup", aid ? aid : "(missing)");
144 throw ConfigurationException("Unable to locate application for assertion lookup, deleted?");
147 // Unpack the request.
148 auto_ptr<HTTPRequest> req(getRequest(in));
149 //m_log.debug("found %d client certificates", req->getClientCertificates().size());
151 // Wrap a response shim.
153 DDFJanitor jout(ret);
154 auto_ptr<HTTPResponse> resp(getResponse(ret));
156 // Since we're remoted, the result should either be a throw, a false/0 return,
157 // which we just return as an empty structure, or a response/redirect,
158 // which we capture in the facade and send back.
159 processMessage(*app, *req.get(), *resp.get());
163 pair<bool,long> AssertionLookup::processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const
166 const char* key = httpRequest.getParameter("key");
167 const char* ID = httpRequest.getParameter("ID");
168 if (!key || !*key || !ID || !*ID) {
169 m_log.error("assertion lookup request failed, missing required parameters");
170 throw FatalProfileException("Missing key or ID parameters.");
173 m_log.debug("processing assertion lookup request (session: %s, assertion: %s)", key, ID);
175 // The cache will either silently pass a session or NULL back, or throw an exception out.
176 Session* session = application.getServiceProvider().getSessionCache()->find(key, application);
178 m_log.error("valid session (%s) not found for assertion lookup", key);
179 throw FatalProfileException("Session key not found.");
182 Locker locker(session, false);
184 const Assertion* assertion = session->getAssertion(ID);
186 m_log.error("assertion (%s) not found in session (%s)", ID, key);
187 throw FatalProfileException("Assertion not found.");
192 httpResponse.setContentType("application/samlassertion+xml");
193 return make_pair(true, httpResponse.sendResponse(s));
195 return make_pair(false,0);