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 using namespace shibsp;
30 using namespace opensaml;
31 using namespace xmltooling;
34 AbstractSPRequest::AbstractSPRequest()
35 : m_sp(NULL), m_mapper(NULL), m_app(NULL), m_sessionTried(false), m_session(NULL),
36 m_log(&Category::getInstance(SHIBSP_LOGCAT".SPRequest")), m_parser(NULL)
38 m_sp=SPConfig::getConfig().getServiceProvider();
42 AbstractSPRequest::~AbstractSPRequest()
53 RequestMapper::Settings AbstractSPRequest::getRequestSettings() const
58 // Map request to application and content settings.
59 m_mapper=m_sp->getRequestMapper();
61 return m_settings = m_mapper->getSettings(*this);
65 const Application& AbstractSPRequest::getApplication() const
68 // Now find the application from the URL settings
69 m_app=m_sp->getApplication(getRequestSettings().first->getString("applicationId").second);
71 throw ConfigurationException("Unable to map request to application settings, check configuration.");
76 Session* AbstractSPRequest::getSession(bool checkTimeout, bool ignoreAddress, bool cache) const
78 // Only attempt this once.
79 if (cache && m_sessionTried)
82 m_sessionTried = true;
84 // Get session ID from cookie.
85 const Application& app = getApplication();
86 pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
87 const char* session_id = getCookie(shib_cookie.first.c_str());
88 if (!session_id || !*session_id)
91 // Need address checking and timeout settings.
93 if (checkTimeout || !ignoreAddress) {
94 const PropertySet* props=app.getPropertySet("Sessions");
97 pair<bool,unsigned int> p=props->getUnsignedInt("timeout");
101 pair<bool,bool> pcheck=props->getBool("consistentAddress");
103 ignoreAddress = !pcheck.second;
107 // The cache will either silently pass a session or NULL back, or throw an exception out.
108 Session* session = getServiceProvider().getSessionCache()->find(
109 session_id, app, ignoreAddress ? NULL : getRemoteAddr().c_str(), checkTimeout ? &timeout : NULL
116 const char* AbstractSPRequest::getRequestURL() const {
118 // Compute the full target URL
119 int port = getPort();
120 const char* scheme = getScheme();
121 m_url = string(scheme) + "://" + getHostname();
122 if ((!strcmp(scheme,"http") && port!=80) || (!strcmp(scheme,"https") && port!=443)) {
123 ostringstream portstr;
125 m_url += ":" + portstr.str();
127 scheme = getRequestURI();
131 return m_url.c_str();
134 const char* AbstractSPRequest::getParameter(const char* name) const
137 m_parser=new CGIParser(*this);
139 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
140 return (bounds.first==bounds.second) ? NULL : bounds.first->second;
143 vector<const char*>::size_type AbstractSPRequest::getParameters(const char* name, vector<const char*>& values) const
146 m_parser=new CGIParser(*this);
148 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
149 while (bounds.first!=bounds.second) {
150 values.push_back(bounds.first->second);
153 return values.size();
156 const char* AbstractSPRequest::getCookie(const char* name) const
158 if (m_cookieMap.empty()) {
159 string cookies=getHeader("Cookie");
161 string::size_type pos=0,cname,namelen,val,vallen;
162 while (pos !=string::npos && pos < cookies.length()) {
163 while (isspace(cookies[pos])) pos++;
165 pos=cookies.find_first_of("=",pos);
166 if (pos == string::npos)
170 if (pos==cookies.length())
173 pos=cookies.find_first_of(";",pos);
174 if (pos != string::npos) {
177 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val,vallen)));
180 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val)));
183 map<string,string>::const_iterator lookup=m_cookieMap.find(name);
184 return (lookup==m_cookieMap.end()) ? NULL : lookup->second.c_str();
187 const char* AbstractSPRequest::getHandlerURL(const char* resource) const
190 resource = getRequestURL();
192 if (!m_handlerURL.empty() && resource && !strcmp(getRequestURL(),resource))
193 return m_handlerURL.c_str();
195 #ifdef HAVE_STRCASECMP
196 if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
198 if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
200 throw ConfigurationException("Target resource was not an absolute URL.");
203 const char* handler=NULL;
204 const PropertySet* props=m_app->getPropertySet("Sessions");
206 pair<bool,bool> p=props->getBool("handlerSSL");
209 pair<bool,const char*> p2=props->getString("handlerURL");
214 // Should never happen...
215 if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
216 throw ConfigurationException(
217 "Invalid handlerURL property ($1) in Application ($2)",
218 params(2, handler ? handler : "null", m_app->getId())
221 // The "handlerURL" property can be in one of three formats:
223 // 1) a full URI: http://host/foo/bar
224 // 2) a hostless URI: http:///foo/bar
225 // 3) a relative path: /foo/bar
227 // # Protocol Host Path
228 // 1 handler handler handler
229 // 2 handler resource handler
230 // 3 resource resource handler
232 // note: if ssl_only is true, make sure the protocol is https
234 const char* path = NULL;
236 // Decide whether to use the handler or the resource for the "protocol"
238 if (*handler != '/') {
246 // break apart the "protocol" string into protocol, host, and "the rest"
247 const char* colon=strchr(prot,':');
249 const char* slash=strchr(colon,'/');
253 // Compute the actual protocol and store in member.
255 m_handlerURL.assign("https://");
257 m_handlerURL.assign(prot, colon-prot);
259 // create the "host" from either the colon/slash or from the target string
260 // If prot == handler then we're in either #1 or #2, else #3.
261 // If slash == colon then we're in #2.
262 if (prot != handler || slash == colon) {
263 colon = strchr(resource, ':');
264 colon += 3; // Get past the ://
265 slash = strchr(colon, '/');
267 string host(colon, (slash ? slash-colon : strlen(colon)));
269 // Build the handler URL
270 m_handlerURL += host + path;
271 return m_handlerURL.c_str();
274 void AbstractSPRequest::log(SPLogLevel level, const std::string& msg) const
276 reinterpret_cast<Category*>(m_log)->log(
277 (level == SPDebug ? Priority::DEBUG :
278 (level == SPInfo ? Priority::INFO :
279 (level == SPWarn ? Priority::WARN :
280 (level == SPError ? Priority::ERROR : Priority::CRIT)))),
285 bool AbstractSPRequest::isPriorityEnabled(SPLogLevel level) const
287 return reinterpret_cast<Category*>(m_log)->isPriorityEnabled(
288 (level == SPDebug ? Priority::DEBUG :
289 (level == SPInfo ? Priority::INFO :
290 (level == SPWarn ? Priority::WARN :
291 (level == SPError ? Priority::ERROR : Priority::CRIT))))