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.
18 * AbstractSPRequest.cpp
20 * Abstract base for SPRequest implementations
24 #include "AbstractSPRequest.h"
25 #include "Application.h"
26 #include "ServiceProvider.h"
27 #include "SessionCache.h"
29 #include <log4cpp/Category.hh>
31 using namespace shibsp;
32 using namespace opensaml;
33 using namespace xmltooling;
34 using namespace log4cpp;
37 AbstractSPRequest::AbstractSPRequest()
38 : m_sp(NULL), m_mapper(NULL), m_app(NULL), m_sessionTried(false), m_session(NULL),
39 m_log(&Category::getInstance(SHIBSP_LOGCAT".SPRequest")), m_parser(NULL)
41 m_sp=SPConfig::getConfig().getServiceProvider();
45 AbstractSPRequest::~AbstractSPRequest()
56 RequestMapper::Settings AbstractSPRequest::getRequestSettings() const
61 // Map request to application and content settings.
62 m_mapper=m_sp->getRequestMapper();
64 return m_settings = m_mapper->getSettings(*this);
68 const Application& AbstractSPRequest::getApplication() const
71 // Now find the application from the URL settings
72 m_app=m_sp->getApplication(getRequestSettings().first->getString("applicationId").second);
74 throw ConfigurationException("Unable to map request to application settings, check configuration.");
79 Session* AbstractSPRequest::getSession(bool checkTimeout, bool ignoreAddress, bool cache) const
81 // Only attempt this once.
82 if (cache && m_sessionTried)
85 m_sessionTried = true;
87 // Get session ID from cookie.
88 const Application& app = getApplication();
89 pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
90 const char* session_id = getCookie(shib_cookie.first.c_str());
91 if (!session_id || !*session_id)
94 // Need address checking and timeout settings.
96 if (checkTimeout || !ignoreAddress) {
97 const PropertySet* props=app.getPropertySet("Sessions");
100 pair<bool,unsigned int> p=props->getUnsignedInt("timeout");
104 pair<bool,bool> pcheck=props->getBool("consistentAddress");
106 ignoreAddress = !pcheck.second;
110 // The cache will either silently pass a session or NULL back, or throw an exception out.
111 Session* session = getServiceProvider().getSessionCache()->find(
112 session_id, app, ignoreAddress ? NULL : getRemoteAddr().c_str(), checkTimeout ? &timeout : NULL
119 const char* AbstractSPRequest::getRequestURL() const {
121 // Compute the full target URL
122 int port = getPort();
123 const char* scheme = getScheme();
124 m_url = string(scheme) + "://" + getHostname();
125 if ((!strcmp(scheme,"http") && port!=80) || (!strcmp(scheme,"https") && port!=443)) {
126 ostringstream portstr;
128 m_url += ":" + portstr.str();
130 scheme = getRequestURI();
134 return m_url.c_str();
137 const char* AbstractSPRequest::getParameter(const char* name) const
140 m_parser=new CGIParser(*this);
142 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
143 return (bounds.first==bounds.second) ? NULL : bounds.first->second;
146 vector<const char*>::size_type AbstractSPRequest::getParameters(const char* name, vector<const char*>& values) const
149 m_parser=new CGIParser(*this);
151 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
152 while (bounds.first!=bounds.second) {
153 values.push_back(bounds.first->second);
156 return values.size();
159 const char* AbstractSPRequest::getCookie(const char* name) const
161 if (m_cookieMap.empty()) {
162 string cookies=getHeader("Cookie");
164 string::size_type pos=0,cname,namelen,val,vallen;
165 while (pos !=string::npos && pos < cookies.length()) {
166 while (isspace(cookies[pos])) pos++;
168 pos=cookies.find_first_of("=",pos);
169 if (pos == string::npos)
173 if (pos==cookies.length())
176 pos=cookies.find_first_of(";",pos);
177 if (pos != string::npos) {
180 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val,vallen)));
183 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val)));
186 map<string,string>::const_iterator lookup=m_cookieMap.find(name);
187 return (lookup==m_cookieMap.end()) ? NULL : lookup->second.c_str();
190 const char* AbstractSPRequest::getHandlerURL(const char* resource) const
193 resource = getRequestURL();
195 if (!m_handlerURL.empty() && resource && !strcmp(getRequestURL(),resource))
196 return m_handlerURL.c_str();
198 #ifdef HAVE_STRCASECMP
199 if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
201 if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
203 throw ConfigurationException("Target resource was not an absolute URL.");
206 const char* handler=NULL;
207 const PropertySet* props=m_app->getPropertySet("Sessions");
209 pair<bool,bool> p=props->getBool("handlerSSL");
212 pair<bool,const char*> p2=props->getString("handlerURL");
217 // Should never happen...
218 if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
219 throw ConfigurationException(
220 "Invalid handlerURL property ($1) in Application ($2)",
221 params(2, handler ? handler : "null", m_app->getId())
224 // The "handlerURL" property can be in one of three formats:
226 // 1) a full URI: http://host/foo/bar
227 // 2) a hostless URI: http:///foo/bar
228 // 3) a relative path: /foo/bar
230 // # Protocol Host Path
231 // 1 handler handler handler
232 // 2 handler resource handler
233 // 3 resource resource handler
235 // note: if ssl_only is true, make sure the protocol is https
237 const char* path = NULL;
239 // Decide whether to use the handler or the resource for the "protocol"
241 if (*handler != '/') {
249 // break apart the "protocol" string into protocol, host, and "the rest"
250 const char* colon=strchr(prot,':');
252 const char* slash=strchr(colon,'/');
256 // Compute the actual protocol and store in member.
258 m_handlerURL.assign("https://");
260 m_handlerURL.assign(prot, colon-prot);
262 // create the "host" from either the colon/slash or from the target string
263 // If prot == handler then we're in either #1 or #2, else #3.
264 // If slash == colon then we're in #2.
265 if (prot != handler || slash == colon) {
266 colon = strchr(resource, ':');
267 colon += 3; // Get past the ://
268 slash = strchr(colon, '/');
270 string host(colon, (slash ? slash-colon : strlen(colon)));
272 // Build the handler URL
273 m_handlerURL += host + path;
274 return m_handlerURL.c_str();
277 void AbstractSPRequest::log(SPLogLevel level, const std::string& msg) const
279 reinterpret_cast<Category*>(m_log)->log(
280 (level == SPDebug ? log4cpp::Priority::DEBUG :
281 (level == SPInfo ? log4cpp::Priority::INFO :
282 (level == SPWarn ? log4cpp::Priority::WARN :
283 (level == SPError ? log4cpp::Priority::ERROR : log4cpp::Priority::CRIT)))),
288 bool AbstractSPRequest::isPriorityEnabled(SPLogLevel level) const
290 return reinterpret_cast<Category*>(m_log)->isPriorityEnabled(
291 (level == SPDebug ? log4cpp::Priority::DEBUG :
292 (level == SPInfo ? log4cpp::Priority::INFO :
293 (level == SPWarn ? log4cpp::Priority::WARN :
294 (level == SPError ? log4cpp::Priority::ERROR : log4cpp::Priority::CRIT))))