shibsp/ServiceProvider.cpp

   1 /*
   2  *  Copyright 2001-2010 Internet2
   3  *
   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
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 /**
  18  * ServiceProvider.cpp
  19  *
  20  * Interface to a Shibboleth ServiceProvider instance.
  21  */
  22
  23 #include "internal.h"
  24 #include "exceptions.h"
  25 #include "AccessControl.h"
  26 #include "Application.h"
  27 #include "ServiceProvider.h"
  28 #include "SessionCache.h"
  29 #include "SPRequest.h"
  30 #include "attribute/Attribute.h"
  31 #include "handler/SessionInitiator.h"
  32 #include "util/TemplateParameters.h"
  33
  34 #include <fstream>
  35 #include <sstream>
  36 #ifndef SHIBSP_LITE
  37 # include <saml/exceptions.h>
  38 # include <saml/saml2/metadata/MetadataProvider.h>
  39 #endif
  40 #include <xmltooling/XMLToolingConfig.h>
  41 #include <xmltooling/util/NDC.h>
  42 #include <xmltooling/util/PathResolver.h>
  43 #include <xmltooling/util/URLEncoder.h>
  44 #include <xmltooling/util/XMLHelper.h>
  45
  46 using namespace shibsp;
  47 using namespace xmltooling::logging;
  48 using namespace xmltooling;
  49 using namespace std;
  50
  51 namespace shibsp {
  52     SHIBSP_DLLLOCAL PluginManager<ServiceProvider,string,const DOMElement*>::Factory XMLServiceProviderFactory;
  53
  54     long SHIBSP_DLLLOCAL sendError(
  55         Category& log, SPRequest& request, const Application* app, const char* page, TemplateParameters& tp, bool mayRedirect=true
  56         )
  57     {
  58         // The properties we need can be set in the RequestMap, or the Errors element.
  59         bool mderror = dynamic_cast<const opensaml::saml2md::MetadataException*>(tp.getRichException())!=nullptr;
  60         bool accesserror = (strcmp(page, "access")==0);
  61         pair<bool,const char*> redirectErrors = pair<bool,const char*>(false,nullptr);
  62         pair<bool,const char*> pathname = pair<bool,const char*>(false,nullptr);
  63
  64         // Strictly for error handling, detect a nullptr application and point at the default.
  65         if (!app)
  66             app = request.getServiceProvider().getApplication(nullptr);
  67
  68         const PropertySet* props=app->getPropertySet("Errors");
  69
  70         // First look for settings in the request map of the form pageError.
  71         try {
  72             RequestMapper::Settings settings = request.getRequestSettings();
  73             if (mderror)
  74                 pathname = settings.first->getString("metadataError");
  75             if (!pathname.first) {
  76                 string pagename(page);
  77                 pagename += "Error";
  78                 pathname = settings.first->getString(pagename.c_str());
  79             }
  80             if (mayRedirect)
  81                 redirectErrors = settings.first->getString("redirectErrors");
  82         }
  83         catch (exception& ex) {
  84             log.error(ex.what());
  85         }
  86
  87         // Check for redirection on errors instead of template.
  88         if (mayRedirect) {
  89             if (!redirectErrors.first && props)
  90                 redirectErrors = props->getString("redirectErrors");
  91             if (redirectErrors.first) {
  92                 string loc(redirectErrors.second);
  93                 loc = loc + '?' + tp.toQueryString();
  94                 return request.sendRedirect(loc.c_str());
  95             }
  96         }
  97
  98         request.setContentType("text/html");
  99         request.setResponseHeader("Expires","01-Jan-1997 12:00:00 GMT");
 100         request.setResponseHeader("Cache-Control","private,no-store,no-cache");
 101
 102         // Nothing in the request map, so check for a property named "page" in the Errors property set.
 103         if (!pathname.first && props) {
 104             if (mderror)
 105                 pathname=props->getString("metadata");
 106             if (!pathname.first)
 107                 pathname=props->getString(page);
 108         }
 109
 110         // If there's still no template to use, just use pageError.html unless it's an access issue.
 111         string fname;
 112         if (!pathname.first) {
 113             if (!accesserror) {
 114                 fname = string(page) + "Error.html";
 115                 pathname.second = fname.c_str();
 116             }
 117         }
 118         else {
 119             fname = pathname.second;
 120         }
 121
 122         // If we have a template to use, use it.
 123         if (!fname.empty()) {
 124             ifstream infile(XMLToolingConfig::getConfig().getPathResolver()->resolve(fname, PathResolver::XMLTOOLING_CFG_FILE).c_str());
 125             if (infile) {
 126                 tp.setPropertySet(props);
 127                 stringstream str;
 128                 XMLToolingConfig::getConfig().getTemplateEngine()->run(infile, str, tp, tp.getRichException());
 129                 return request.sendError(str);
 130             }
 131         }
 132
 133         // If we got here, then either it's an access error or a template failed.
 134         if (accesserror) {
 135             istringstream msg("Access Denied");
 136             return request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_FORBIDDEN);
 137         }
 138
 139         log.error("sendError could not process error template (%s)", pathname.second);
 140         istringstream msg("Internal Server Error. Please contact the site administrator.");
 141         return request.sendError(msg);
 142     }
 143
 144     void SHIBSP_DLLLOCAL clearHeaders(SPRequest& request) {
 145         const Application& app = request.getApplication();
 146         app.clearHeader(request, "Shib-Session-ID", "HTTP_SHIB_SESSION_ID");
 147         app.clearHeader(request, "Shib-Session-Index", "HTTP_SHIB_SESSION_INDEX");
 148         app.clearHeader(request, "Shib-Identity-Provider", "HTTP_SHIB_IDENTITY_PROVIDER");
 149         app.clearHeader(request, "Shib-Authentication-Method", "HTTP_SHIB_AUTHENTICATION_METHOD");
 150         app.clearHeader(request, "Shib-Authentication-Instant", "HTTP_SHIB_AUTHENTICATION_INSTANT");
 151         app.clearHeader(request, "Shib-AuthnContext-Class", "HTTP_SHIB_AUTHNCONTEXT_CLASS");
 152         app.clearHeader(request, "Shib-AuthnContext-Decl", "HTTP_SHIB_AUTHNCONTEXT_DECL");
 153         app.clearHeader(request, "Shib-Assertion-Count", "HTTP_SHIB_ASSERTION_COUNT");
 154         app.clearAttributeHeaders(request);
 155         request.clearHeader("REMOTE_USER", "HTTP_REMOTE_USER");
 156     }
 157 };
 158
 159 void SHIBSP_API shibsp::registerServiceProviders()
 160 {
 161     SPConfig::getConfig().ServiceProviderManager.registerFactory(XML_SERVICE_PROVIDER, XMLServiceProviderFactory);
 162 }
 163
 164 ServiceProvider::ServiceProvider()
 165 {
 166     m_authTypes.insert("shibboleth");
 167 }
 168
 169 ServiceProvider::~ServiceProvider()
 170 {
 171 }
 172
 173 #ifndef SHIBSP_LITE
 174 SecurityPolicyProvider* ServiceProvider::getSecurityPolicyProvider(bool required) const
 175 {
 176     if (required)
 177         throw ConfigurationException("No SecurityPolicyProvider available.");
 178     return nullptr;
 179 }
 180 #endif
 181
 182 Remoted* ServiceProvider::regListener(const char* address, Remoted* listener)
 183 {
 184     Remoted* ret=nullptr;
 185     map<string,Remoted*>::const_iterator i=m_listenerMap.find(address);
 186     if (i!=m_listenerMap.end())
 187         ret=i->second;
 188     m_listenerMap[address]=listener;
 189     Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").info("registered remoted message endpoint (%s)",address);
 190     return ret;
 191 }
 192
 193 bool ServiceProvider::unregListener(const char* address, Remoted* current, Remoted* restore)
 194 {
 195     map<string,Remoted*>::const_iterator i=m_listenerMap.find(address);
 196     if (i!=m_listenerMap.end() && i->second==current) {
 197         if (restore)
 198             m_listenerMap[address]=restore;
 199         else
 200             m_listenerMap.erase(address);
 201         Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").info("unregistered remoted message endpoint (%s)",address);
 202         return true;
 203     }
 204     return false;
 205 }
 206
 207 Remoted* ServiceProvider::lookupListener(const char *address) const
 208 {
 209     map<string,Remoted*>::const_iterator i=m_listenerMap.find(address);
 210     return (i==m_listenerMap.end()) ? nullptr : i->second;
 211 }
 212
 213 pair<bool,long> ServiceProvider::doAuthentication(SPRequest& request, bool handler) const
 214 {
 215 #ifdef _DEBUG
 216     xmltooling::NDC ndc("doAuthentication");
 217 #endif
 218     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 219
 220     const Application* app=nullptr;
 221     string targetURL = request.getRequestURL();
 222
 223     try {
 224         RequestMapper::Settings settings = request.getRequestSettings();
 225         app = &(request.getApplication());
 226
 227         // If not SSL, check to see if we should block or redirect it.
 228         if (!request.isSecure()) {
 229             pair<bool,const char*> redirectToSSL = settings.first->getString("redirectToSSL");
 230             if (redirectToSSL.first) {
 231 #ifdef HAVE_STRCASECMP
 232                 if (!strcasecmp("GET",request.getMethod()) || !strcasecmp("HEAD",request.getMethod())) {
 233 #else
 234                 if (!stricmp("GET",request.getMethod()) || !stricmp("HEAD",request.getMethod())) {
 235 #endif
 236                     // Compute the new target URL
 237                     string redirectURL = string("https://") + request.getHostname();
 238                     if (strcmp(redirectToSSL.second,"443")) {
 239                         redirectURL = redirectURL + ':' + redirectToSSL.second;
 240                     }
 241                     redirectURL += request.getRequestURI();
 242                     return make_pair(true, request.sendRedirect(redirectURL.c_str()));
 243                 }
 244                 else {
 245                     TemplateParameters tp;
 246                     tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 247                     return make_pair(true,sendError(log, request, app, "ssl", tp, false));
 248                 }
 249             }
 250         }
 251
 252         const char* handlerURL=request.getHandlerURL(targetURL.c_str());
 253         if (!handlerURL)
 254             throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
 255
 256         // If the request URL contains the handler base URL for this application, either dispatch
 257         // directly (mainly Apache 2.0) or just pass back control.
 258         if (strstr(targetURL.c_str(),handlerURL)) {
 259             if (handler)
 260                 return doHandler(request);
 261             else
 262                 return make_pair(true, request.returnOK());
 263         }
 264
 265         // Three settings dictate how to proceed.
 266         pair<bool,const char*> authType = settings.first->getString("authType");
 267         pair<bool,bool> requireSession = settings.first->getBool("requireSession");
 268         pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
 269
 270         string lcAuthType;
 271         if (authType.first) {
 272             while (*authType.second)
 273                 lcAuthType += tolower(*authType.second++);
 274         }
 275
 276         // If no session is required AND the AuthType (an Apache-derived concept) isn't recognized,
 277         // then we ignore this request and consider it unprotected. Apache might lie to us if
 278         // ShibBasicHijack is on, but that's up to it.
 279         if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
 280                 (!authType.first || m_authTypes.find(lcAuthType) == m_authTypes.end()))
 281             return make_pair(true, request.returnDecline());
 282
 283         // Fix for secadv 20050901
 284         clearHeaders(request);
 285
 286         Session* session = nullptr;
 287         try {
 288             session = request.getSession();
 289         }
 290         catch (exception& e) {
 291             log.warn("error during session lookup: %s", e.what());
 292             // If it's not a retryable session failure, we throw to the outer handler for reporting.
 293             if (dynamic_cast<opensaml::RetryableProfileException*>(&e)==nullptr)
 294                 throw;
 295         }
 296
 297         if (!session) {
 298             // No session.  Maybe that's acceptable?
 299             if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first)
 300                 return make_pair(true,request.returnOK());
 301
 302             // No session, but we require one. Initiate a new session using the indicated method.
 303             const SessionInitiator* initiator=nullptr;
 304             if (requireSessionWith.first) {
 305                 initiator=app->getSessionInitiatorById(requireSessionWith.second);
 306                 if (!initiator) {
 307                     throw ConfigurationException(
 308                         "No session initiator found with id ($1), check requireSessionWith command.", params(1,requireSessionWith.second)
 309                         );
 310                 }
 311             }
 312             else {
 313                 initiator=app->getDefaultSessionInitiator();
 314                 if (!initiator)
 315                     throw ConfigurationException("No default session initiator found, check configuration.");
 316             }
 317
 318             return initiator->run(request,false);
 319         }
 320
 321         request.setAuthType(lcAuthType.c_str());
 322
 323         // We're done.  Everything is okay.  Nothing to report.  Nothing to do..
 324         // Let the caller decide how to proceed.
 325         log.debug("doAuthentication succeeded");
 326         return make_pair(false,0L);
 327     }
 328     catch (exception& e) {
 329         request.log(SPRequest::SPError, e.what());
 330         TemplateParameters tp(&e);
 331         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 332         return make_pair(true,sendError(log, request, app, "session", tp));
 333     }
 334 }
 335
 336 pair<bool,long> ServiceProvider::doAuthorization(SPRequest& request) const
 337 {
 338 #ifdef _DEBUG
 339     xmltooling::NDC ndc("doAuthorization");
 340 #endif
 341     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 342
 343     const Application* app=nullptr;
 344     string targetURL = request.getRequestURL();
 345
 346     try {
 347         RequestMapper::Settings settings = request.getRequestSettings();
 348         app = &(request.getApplication());
 349
 350         // Three settings dictate how to proceed.
 351         pair<bool,const char*> authType = settings.first->getString("authType");
 352         pair<bool,bool> requireSession = settings.first->getBool("requireSession");
 353         pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
 354
 355         string lcAuthType;
 356         if (authType.first) {
 357             while (*authType.second)
 358                 lcAuthType += tolower(*authType.second++);
 359         }
 360
 361         // If no session is required AND the AuthType (an Apache-derived concept) isn't recognized,
 362         // then we ignore this request and consider it unprotected. Apache might lie to us if
 363         // ShibBasicHijack is on, but that's up to it.
 364         if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
 365                 (!authType.first || m_authTypes.find(lcAuthType) == m_authTypes.end()))
 366             return make_pair(true, request.returnDecline());
 367
 368         // Do we have an access control plugin?
 369         if (settings.second) {
 370             const Session* session = nullptr;
 371             try {
 372                 session = request.getSession(false);
 373             }
 374             catch (exception& e) {
 375                 log.warn("unable to obtain session to pass to access control provider: %s", e.what());
 376             }
 377
 378             Locker acllock(settings.second);
 379             switch (settings.second->authorized(request,session)) {
 380                 case AccessControl::shib_acl_true:
 381                     log.debug("access control provider granted access");
 382                     return make_pair(true,request.returnOK());
 383
 384                 case AccessControl::shib_acl_false:
 385                 {
 386                     log.warn("access control provider denied access");
 387                     TemplateParameters tp;
 388                     tp.m_map["requestURL"] = targetURL;
 389                     return make_pair(true,sendError(log, request, app, "access", tp, false));
 390                 }
 391
 392                 default:
 393                     // Use the "DECLINE" interface to signal we don't know what to do.
 394                     return make_pair(true,request.returnDecline());
 395             }
 396         }
 397         else {
 398             return make_pair(true,request.returnDecline());
 399         }
 400     }
 401     catch (exception& e) {
 402         request.log(SPRequest::SPError, e.what());
 403         TemplateParameters tp(&e);
 404         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 405         return make_pair(true,sendError(log, request, app, "access", tp));
 406     }
 407 }
 408
 409 pair<bool,long> ServiceProvider::doExport(SPRequest& request, bool requireSession) const
 410 {
 411 #ifdef _DEBUG
 412     xmltooling::NDC ndc("doExport");
 413 #endif
 414     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 415
 416     const Application* app=nullptr;
 417     string targetURL = request.getRequestURL();
 418
 419     try {
 420         RequestMapper::Settings settings = request.getRequestSettings();
 421         app = &(request.getApplication());
 422
 423         const Session* session = nullptr;
 424         try {
 425             session = request.getSession(false);
 426         }
 427         catch (exception& e) {
 428             log.warn("unable to obtain session to export to request: %s", e.what());
 429                 // If we have to have a session, then this is a fatal error.
 430                 if (requireSession)
 431                         throw;
 432         }
 433
 434                 // Still no data?
 435         if (!session) {
 436                 if (requireSession)
 437                 throw opensaml::RetryableProfileException("Unable to obtain session to export to request.");
 438                 else
 439                         return make_pair(false,0L);     // just bail silently
 440         }
 441
 442                 pair<bool,const char*> enc = settings.first->getString("encoding");
 443                 if (enc.first && strcmp(enc.second, "URL"))
 444                         throw ConfigurationException("Unsupported value for 'encoding' content setting ($1).", params(1,enc.second));
 445
 446         const URLEncoder* encoder = XMLToolingConfig::getConfig().getURLEncoder();
 447
 448         app->setHeader(request, "Shib-Application-ID", app->getId());
 449         app->setHeader(request, "Shib-Session-ID", session->getID());
 450
 451         // Export the IdP name and Authn method/context info.
 452         const char* hval = session->getEntityID();
 453         if (hval)
 454             app->setHeader(request, "Shib-Identity-Provider", hval);
 455         hval = session->getAuthnInstant();
 456         if (hval)
 457             app->setHeader(request, "Shib-Authentication-Instant", hval);
 458         hval = session->getAuthnContextClassRef();
 459         if (hval) {
 460             app->setHeader(request, "Shib-Authentication-Method", hval);
 461             app->setHeader(request, "Shib-AuthnContext-Class", hval);
 462         }
 463         hval = session->getAuthnContextDeclRef();
 464         if (hval)
 465             app->setHeader(request, "Shib-AuthnContext-Decl", hval);
 466         hval = session->getSessionIndex();
 467         if (hval)
 468             app->setHeader(request, "Shib-Session-Index", hval);
 469
 470         // Maybe export the assertion keys.
 471         pair<bool,bool> exp=settings.first->getBool("exportAssertion");
 472         if (exp.first && exp.second) {
 473             const PropertySet* sessions=app->getPropertySet("Sessions");
 474             pair<bool,const char*> exportLocation = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,nullptr);
 475             if (!exportLocation.first)
 476                 log.warn("can't export assertions without an exportLocation Sessions property");
 477             else {
 478                 string exportName = "Shib-Assertion-00";
 479                 string baseURL;
 480                 if (!strncmp(exportLocation.second, "http", 4))
 481                     baseURL = exportLocation.second;
 482                 else
 483                     baseURL = string(request.getHandlerURL(targetURL.c_str())) + exportLocation.second;
 484                 baseURL = baseURL + "?key=" + session->getID() + "&ID=";
 485                 const vector<const char*>& tokens = session->getAssertionIDs();
 486                 vector<const char*>::size_type count = 0;
 487                 for (vector<const char*>::const_iterator tokenids = tokens.begin(); tokenids!=tokens.end(); ++tokenids) {
 488                     count++;
 489                     *(exportName.rbegin()) = '0' + (count%10);
 490                     *(++exportName.rbegin()) = '0' + (count/10);
 491                     string fullURL = baseURL + encoder->encode(*tokenids);
 492                     app->setHeader(request, exportName.c_str(), fullURL.c_str());
 493                 }
 494                 app->setHeader(request, "Shib-Assertion-Count", exportName.c_str() + 15);
 495             }
 496         }
 497
 498         // Export the attributes.
 499         const multimap<string,const Attribute*>& attributes = session->getIndexedAttributes();
 500         for (multimap<string,const Attribute*>::const_iterator a = attributes.begin(); a!=attributes.end(); ++a) {
 501             if (a->second->isInternal())
 502                 continue;
 503             string header(app->getSecureHeader(request, a->first.c_str()));
 504             const vector<string>& vals = a->second->getSerializedValues();
 505             for (vector<string>::const_iterator v = vals.begin(); v!=vals.end(); ++v) {
 506                 if (!header.empty())
 507                     header += ";";
 508                                 if (enc.first) {
 509                                         // If URL-encoding, any semicolons will get escaped anyway.
 510                                         header += encoder->encode(v->c_str());
 511                                 }
 512                                 else {
 513                                         string::size_type pos = v->find_first_of(';',string::size_type(0));
 514                                         if (pos!=string::npos) {
 515                                                 string value(*v);
 516                                                 for (; pos != string::npos; pos = value.find_first_of(';',pos)) {
 517                                                         value.insert(pos, "\\");
 518                                                         pos += 2;
 519                                                 }
 520                                                 header += value;
 521                                         }
 522                                         else {
 523                                                 header += (*v);
 524                                         }
 525                                 }
 526             }
 527             app->setHeader(request, a->first.c_str(), header.c_str());
 528         }
 529
 530         // Check for REMOTE_USER.
 531         bool remoteUserSet = false;
 532         const vector<string>& rmids = app->getRemoteUserAttributeIds();
 533         for (vector<string>::const_iterator rmid = rmids.begin(); !remoteUserSet && rmid != rmids.end(); ++rmid) {
 534             pair<multimap<string,const Attribute*>::const_iterator,multimap<string,const Attribute*>::const_iterator> matches =
 535                 attributes.equal_range(*rmid);
 536             for (; matches.first != matches.second; ++matches.first) {
 537                 const vector<string>& vals = matches.first->second->getSerializedValues();
 538                 if (!vals.empty()) {
 539                                         if (enc.first)
 540                                                 request.setRemoteUser(encoder->encode(vals.front().c_str()).c_str());
 541                                         else
 542                                                 request.setRemoteUser(vals.front().c_str());
 543                     remoteUserSet = true;
 544                     break;
 545                 }
 546             }
 547         }
 548
 549         return make_pair(false,0L);
 550     }
 551     catch (exception& e) {
 552         request.log(SPRequest::SPError, e.what());
 553         TemplateParameters tp(&e);
 554         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 555         return make_pair(true,sendError(log, request, app, "session", tp));
 556     }
 557 }
 558
 559 pair<bool,long> ServiceProvider::doHandler(SPRequest& request) const
 560 {
 561 #ifdef _DEBUG
 562     xmltooling::NDC ndc("doHandler");
 563 #endif
 564     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 565
 566     const Application* app=nullptr;
 567     string targetURL = request.getRequestURL();
 568
 569     try {
 570         RequestMapper::Settings settings = request.getRequestSettings();
 571         app = &(request.getApplication());
 572
 573         // If not SSL, check to see if we should block or redirect it.
 574         if (!request.isSecure()) {
 575             pair<bool,const char*> redirectToSSL = settings.first->getString("redirectToSSL");
 576             if (redirectToSSL.first) {
 577 #ifdef HAVE_STRCASECMP
 578                 if (!strcasecmp("GET",request.getMethod()) || !strcasecmp("HEAD",request.getMethod())) {
 579 #else
 580                 if (!stricmp("GET",request.getMethod()) || !stricmp("HEAD",request.getMethod())) {
 581 #endif
 582                     // Compute the new target URL
 583                     string redirectURL = string("https://") + request.getHostname();
 584                     if (strcmp(redirectToSSL.second,"443")) {
 585                         redirectURL = redirectURL + ':' + redirectToSSL.second;
 586                     }
 587                     redirectURL += request.getRequestURI();
 588                     return make_pair(true, request.sendRedirect(redirectURL.c_str()));
 589                 }
 590                 else {
 591                     TemplateParameters tp;
 592                     tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 593                     return make_pair(true,sendError(log, request, app, "ssl", tp, false));
 594                 }
 595             }
 596         }
 597
 598         const char* handlerURL=request.getHandlerURL(targetURL.c_str());
 599         if (!handlerURL)
 600             throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
 601
 602         // Make sure we only process handler requests.
 603         if (!strstr(targetURL.c_str(),handlerURL))
 604             return make_pair(true, request.returnDecline());
 605
 606         const PropertySet* sessionProps=app->getPropertySet("Sessions");
 607         if (!sessionProps)
 608             throw ConfigurationException("Unable to map request to application session settings, check configuration.");
 609
 610         // Process incoming request.
 611         pair<bool,bool> handlerSSL=sessionProps->getBool("handlerSSL");
 612
 613         // Make sure this is SSL, if it should be
 614         if ((!handlerSSL.first || handlerSSL.second) && !request.isSecure())
 615             throw opensaml::FatalProfileException("Blocked non-SSL access to Shibboleth handler.");
 616
 617         // We dispatch based on our path info. We know the request URL begins with or equals the handler URL,
 618         // so the path info is the next character (or null).
 619         const Handler* handler=app->getHandler(targetURL.c_str() + strlen(handlerURL));
 620         if (!handler)
 621             throw ConfigurationException("Shibboleth handler invoked at an unconfigured location.");
 622
 623         pair<bool,long> hret=handler->run(request);
 624
 625         // Did the handler run successfully?
 626         if (hret.first)
 627             return hret;
 628
 629         throw ConfigurationException("Configured Shibboleth handler failed to process the request.");
 630     }
 631     catch (exception& e) {
 632         request.log(SPRequest::SPError, e.what());
 633         TemplateParameters tp(&e);
 634         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 635         tp.m_request = &request;
 636         return make_pair(true,sendError(log, request, app, "session", tp));
 637     }
 638 }