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);
64 const char* getType() const {
65 return "AssertionLookup";
69 pair<bool,long> processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const;
74 #if defined (_MSC_VER)
75 #pragma warning( pop )
78 Handler* SHIBSP_DLLLOCAL AssertionLookupFactory(const pair<const DOMElement*,const char*>& p)
80 return new AssertionLookup(p.first, p.second);
85 AssertionLookup::AssertionLookup(const DOMElement* e, const char* appId)
86 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".AssertionLookup"), &g_Blocker)
88 setAddress("run::AssertionLookup");
89 if (SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
90 pair<bool,const char*> acl = getString("exportACL");
92 m_acl.insert("127.0.0.1");
95 string aclbuf=acl.second;
97 for (unsigned int i=0; i < aclbuf.length(); i++) {
98 if (aclbuf.at(i)==' ') {
99 m_acl.insert(aclbuf.substr(j, i-j));
103 m_acl.insert(aclbuf.substr(j, aclbuf.length()-j));
107 pair<bool,long> AssertionLookup::run(SPRequest& request, bool isHandler) const
110 SPConfig& conf = SPConfig::getConfig();
111 if (conf.isEnabled(SPConfig::InProcess)) {
112 if (m_acl.count(request.getRemoteAddr()) == 0) {
113 m_log.error("request for assertion lookup blocked from invalid address (%s)", request.getRemoteAddr().c_str());
114 istringstream msg("Assertion Lookup Blocked");
115 return make_pair(true,request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_FORBIDDEN));
120 if (conf.isEnabled(SPConfig::OutOfProcess)) {
121 // When out of process, we run natively and directly process the message.
122 return processMessage(request.getApplication(), request, request);
125 // When not out of process, we remote all the message processing.
126 DDF out,in = wrap(request, NULL, true);
127 DDFJanitor jin(in), jout(out);
129 out=request.getServiceProvider().getListenerService()->send(in);
130 return unwrap(request, out);
133 catch (exception& ex) {
134 m_log.error("error while processing request: %s", ex.what());
135 istringstream msg("Assertion Lookup Failed");
136 return make_pair(true,request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_ERROR));
140 void AssertionLookup::receive(DDF& in, ostream& out)
143 const char* aid=in["application_id"].string();
144 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
146 // Something's horribly wrong.
147 m_log.error("couldn't find application (%s) for assertion lookup", aid ? aid : "(missing)");
148 throw ConfigurationException("Unable to locate application for assertion lookup, deleted?");
151 // Unpack the request.
152 auto_ptr<HTTPRequest> req(getRequest(in));
153 //m_log.debug("found %d client certificates", req->getClientCertificates().size());
155 // Wrap a response shim.
157 DDFJanitor jout(ret);
158 auto_ptr<HTTPResponse> resp(getResponse(ret));
160 // Since we're remoted, the result should either be a throw, a false/0 return,
161 // which we just return as an empty structure, or a response/redirect,
162 // which we capture in the facade and send back.
163 processMessage(*app, *req.get(), *resp.get());
167 pair<bool,long> AssertionLookup::processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const
170 const char* key = httpRequest.getParameter("key");
171 const char* ID = httpRequest.getParameter("ID");
172 if (!key || !*key || !ID || !*ID) {
173 m_log.error("assertion lookup request failed, missing required parameters");
174 throw FatalProfileException("Missing key or ID parameters.");
177 m_log.debug("processing assertion lookup request (session: %s, assertion: %s)", key, ID);
179 // The cache will either silently pass a session or NULL back, or throw an exception out.
180 Session* session = application.getServiceProvider().getSessionCache()->find(key, application);
182 m_log.error("valid session (%s) not found for assertion lookup", key);
183 throw FatalProfileException("Session key not found.");
186 Locker locker(session, false);
188 const Assertion* assertion = session->getAssertion(ID);
190 m_log.error("assertion (%s) not found in session (%s)", ID, key);
191 throw FatalProfileException("Assertion not found.");
196 httpResponse.setContentType("application/samlassertion+xml");
197 return make_pair(true, httpResponse.sendResponse(s));
199 return make_pair(false,0);