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) const
81 // Only attempt this once.
84 m_sessionTried = true;
86 // Get session ID from cookie.
87 const Application& app = getApplication();
88 pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
89 const char* session_id = getCookie(shib_cookie.first.c_str());
90 if (!session_id || !*session_id)
93 // Need address checking and timeout settings.
96 const PropertySet* props=app.getPropertySet("Sessions");
99 pair<bool,unsigned int> p=props->getUnsignedInt("timeout");
103 pair<bool,bool> pcheck=props->getBool("consistentAddress");
105 consistent = pcheck.second;
108 // The cache will either silently pass a session or NULL back, or throw an exception out.
109 return m_session = getServiceProvider().getSessionCache()->find(
110 session_id, app, consistent ? getRemoteAddr().c_str() : NULL, checkTimeout ? &timeout : NULL
114 const char* AbstractSPRequest::getRequestURL() const {
116 // Compute the full target URL
117 int port = getPort();
118 const char* scheme = getScheme();
119 m_url = string(scheme) + "://" + getHostname();
120 if ((!strcmp(scheme,"http") && port!=80) || (!strcmp(scheme,"https") && port!=443)) {
121 ostringstream portstr;
123 m_url += ":" + portstr.str();
125 scheme = getRequestURI();
129 return m_url.c_str();
132 const char* AbstractSPRequest::getParameter(const char* name) const
135 m_parser=new CGIParser(*this);
137 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
138 return (bounds.first==bounds.second) ? NULL : bounds.first->second;
141 vector<const char*>::size_type AbstractSPRequest::getParameters(const char* name, vector<const char*>& values) const
144 m_parser=new CGIParser(*this);
146 pair<CGIParser::walker,CGIParser::walker> bounds=m_parser->getParameters(name);
147 while (bounds.first!=bounds.second) {
148 values.push_back(bounds.first->second);
151 return values.size();
154 const char* AbstractSPRequest::getCookie(const char* name) const
156 if (m_cookieMap.empty()) {
157 string cookies=getHeader("Cookie");
159 string::size_type pos=0,cname,namelen,val,vallen;
160 while (pos !=string::npos && pos < cookies.length()) {
161 while (isspace(cookies[pos])) pos++;
163 pos=cookies.find_first_of("=",pos);
164 if (pos == string::npos)
168 if (pos==cookies.length())
171 pos=cookies.find_first_of(";",pos);
172 if (pos != string::npos) {
175 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val,vallen)));
178 m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val)));
181 map<string,string>::const_iterator lookup=m_cookieMap.find(name);
182 return (lookup==m_cookieMap.end()) ? NULL : lookup->second.c_str();
185 const char* AbstractSPRequest::getHandlerURL(const char* resource) const
187 if (!m_handlerURL.empty() && resource && !strcmp(getRequestURL(),resource))
188 return m_handlerURL.c_str();
190 #ifdef HAVE_STRCASECMP
191 if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
193 if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
195 throw ConfigurationException("Target resource was not an absolute URL.");
198 const char* handler=NULL;
199 const PropertySet* props=m_app->getPropertySet("Sessions");
201 pair<bool,bool> p=props->getBool("handlerSSL");
204 pair<bool,const char*> p2=props->getString("handlerURL");
209 // Should never happen...
210 if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
211 throw ConfigurationException(
212 "Invalid handlerURL property ($1) in Application ($2)",
213 params(2, handler ? handler : "null", m_app->getId())
216 // The "handlerURL" property can be in one of three formats:
218 // 1) a full URI: http://host/foo/bar
219 // 2) a hostless URI: http:///foo/bar
220 // 3) a relative path: /foo/bar
222 // # Protocol Host Path
223 // 1 handler handler handler
224 // 2 handler resource handler
225 // 3 resource resource handler
227 // note: if ssl_only is true, make sure the protocol is https
229 const char* path = NULL;
231 // Decide whether to use the handler or the resource for the "protocol"
233 if (*handler != '/') {
241 // break apart the "protocol" string into protocol, host, and "the rest"
242 const char* colon=strchr(prot,':');
244 const char* slash=strchr(colon,'/');
248 // Compute the actual protocol and store in member.
250 m_handlerURL.assign("https://");
252 m_handlerURL.assign(prot, colon-prot);
254 // create the "host" from either the colon/slash or from the target string
255 // If prot == handler then we're in either #1 or #2, else #3.
256 // If slash == colon then we're in #2.
257 if (prot != handler || slash == colon) {
258 colon = strchr(resource, ':');
259 colon += 3; // Get past the ://
260 slash = strchr(colon, '/');
262 string host(colon, (slash ? slash-colon : strlen(colon)));
264 // Build the handler URL
265 m_handlerURL += host + path;
266 return m_handlerURL.c_str();
269 void AbstractSPRequest::log(SPLogLevel level, const std::string& msg) const
271 reinterpret_cast<Category*>(m_log)->log(
272 (level == SPDebug ? log4cpp::Priority::DEBUG :
273 (level == SPInfo ? log4cpp::Priority::INFO :
274 (level == SPWarn ? log4cpp::Priority::WARN :
275 (level == SPError ? log4cpp::Priority::ERROR : log4cpp::Priority::CRIT)))),
280 bool AbstractSPRequest::isPriorityEnabled(SPLogLevel level) const
282 return reinterpret_cast<Category*>(m_log)->isPriorityEnabled(
283 (level == SPDebug ? log4cpp::Priority::DEBUG :
284 (level == SPInfo ? log4cpp::Priority::INFO :
285 (level == SPWarn ? log4cpp::Priority::WARN :
286 (level == SPError ? log4cpp::Priority::ERROR : log4cpp::Priority::CRIT))))