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("default");
  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-Identity-Provider", "HTTP_SHIB_IDENTITY_PROVIDER");
 148         app.clearHeader(request, "Shib-Authentication-Method", "HTTP_SHIB_AUTHENTICATION_METHOD");
 149         app.clearHeader(request, "Shib-Authentication-Instant", "HTTP_SHIB_AUTHENTICATION_INSTANT");
 150         app.clearHeader(request, "Shib-AuthnContext-Class", "HTTP_SHIB_AUTHNCONTEXT_CLASS");
 151         app.clearHeader(request, "Shib-AuthnContext-Decl", "HTTP_SHIB_AUTHNCONTEXT_DECL");
 152         app.clearHeader(request, "Shib-Assertion-Count", "HTTP_SHIB_ASSERTION_COUNT");
 153         app.clearAttributeHeaders(request);
 154         request.clearHeader("REMOTE_USER", "HTTP_REMOTE_USER");
 155     }
 156 };
 157
 158 void SHIBSP_API shibsp::registerServiceProviders()
 159 {
 160     SPConfig::getConfig().ServiceProviderManager.registerFactory(XML_SERVICE_PROVIDER, XMLServiceProviderFactory);
 161 }
 162
 163 ServiceProvider::ServiceProvider()
 164 {
 165 }
 166
 167 ServiceProvider::~ServiceProvider()
 168 {
 169 }
 170
 171 #ifndef SHIBSP_LITE
 172 SecurityPolicyProvider* ServiceProvider::getSecurityPolicyProvider(bool required) const
 173 {
 174     if (required)
 175         throw ConfigurationException("No SecurityPolicyProvider available.");
 176     return NULL;
 177 }
 178 #endif
 179
 180 pair<bool,long> ServiceProvider::doAuthentication(SPRequest& request, bool handler) const
 181 {
 182 #ifdef _DEBUG
 183     xmltooling::NDC ndc("doAuthentication");
 184 #endif
 185     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 186
 187     const Application* app=nullptr;
 188     string targetURL = request.getRequestURL();
 189
 190     try {
 191         RequestMapper::Settings settings = request.getRequestSettings();
 192         app = &(request.getApplication());
 193
 194         // If not SSL, check to see if we should block or redirect it.
 195         if (!request.isSecure()) {
 196             pair<bool,const char*> redirectToSSL = settings.first->getString("redirectToSSL");
 197             if (redirectToSSL.first) {
 198 #ifdef HAVE_STRCASECMP
 199                 if (!strcasecmp("GET",request.getMethod()) || !strcasecmp("HEAD",request.getMethod())) {
 200 #else
 201                 if (!stricmp("GET",request.getMethod()) || !stricmp("HEAD",request.getMethod())) {
 202 #endif
 203                     // Compute the new target URL
 204                     string redirectURL = string("https://") + request.getHostname();
 205                     if (strcmp(redirectToSSL.second,"443")) {
 206                         redirectURL = redirectURL + ':' + redirectToSSL.second;
 207                     }
 208                     redirectURL += request.getRequestURI();
 209                     return make_pair(true, request.sendRedirect(redirectURL.c_str()));
 210                 }
 211                 else {
 212                     TemplateParameters tp;
 213                     tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 214                     return make_pair(true,sendError(log, request, app, "ssl", tp, false));
 215                 }
 216             }
 217         }
 218
 219         const char* handlerURL=request.getHandlerURL(targetURL.c_str());
 220         if (!handlerURL)
 221             throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
 222
 223         // If the request URL contains the handler base URL for this application, either dispatch
 224         // directly (mainly Apache 2.0) or just pass back control.
 225         if (strstr(targetURL.c_str(),handlerURL)) {
 226             if (handler)
 227                 return doHandler(request);
 228             else
 229                 return make_pair(true, request.returnOK());
 230         }
 231
 232         // Three settings dictate how to proceed.
 233         pair<bool,const char*> authType = settings.first->getString("authType");
 234         pair<bool,bool> requireSession = settings.first->getBool("requireSession");
 235         pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
 236
 237         // If no session is required AND the AuthType (an Apache-derived concept) isn't shibboleth,
 238         // then we ignore this request and consider it unprotected. Apache might lie to us if
 239         // ShibBasicHijack is on, but that's up to it.
 240         if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
 241 #ifdef HAVE_STRCASECMP
 242                 (!authType.first || strcasecmp(authType.second,"shibboleth")))
 243 #else
 244                 (!authType.first || _stricmp(authType.second,"shibboleth")))
 245 #endif
 246             return make_pair(true,request.returnDecline());
 247
 248         // Fix for secadv 20050901
 249         clearHeaders(request);
 250
 251         Session* session = nullptr;
 252         try {
 253             session = request.getSession();
 254         }
 255         catch (exception& e) {
 256             log.warn("error during session lookup: %s", e.what());
 257             // If it's not a retryable session failure, we throw to the outer handler for reporting.
 258             if (dynamic_cast<opensaml::RetryableProfileException*>(&e)==nullptr)
 259                 throw;
 260         }
 261
 262         if (!session) {
 263             // No session.  Maybe that's acceptable?
 264             if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first)
 265                 return make_pair(true,request.returnOK());
 266
 267             // No session, but we require one. Initiate a new session using the indicated method.
 268             const SessionInitiator* initiator=nullptr;
 269             if (requireSessionWith.first) {
 270                 initiator=app->getSessionInitiatorById(requireSessionWith.second);
 271                 if (!initiator) {
 272                     throw ConfigurationException(
 273                         "No session initiator found with id ($1), check requireSessionWith command.", params(1,requireSessionWith.second)
 274                         );
 275                 }
 276             }
 277             else {
 278                 initiator=app->getDefaultSessionInitiator();
 279                 if (!initiator)
 280                     throw ConfigurationException("No default session initiator found, check configuration.");
 281             }
 282
 283             return initiator->run(request,false);
 284         }
 285
 286         request.setAuthType("shibboleth");
 287
 288         // We're done.  Everything is okay.  Nothing to report.  Nothing to do..
 289         // Let the caller decide how to proceed.
 290         log.debug("doAuthentication succeeded");
 291         return make_pair(false,0L);
 292     }
 293     catch (exception& e) {
 294         request.log(SPRequest::SPError, e.what());
 295         TemplateParameters tp(&e);
 296         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 297         return make_pair(true,sendError(log, request, app, "session", tp));
 298     }
 299 }
 300
 301 pair<bool,long> ServiceProvider::doAuthorization(SPRequest& request) const
 302 {
 303 #ifdef _DEBUG
 304     xmltooling::NDC ndc("doAuthorization");
 305 #endif
 306     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 307
 308     const Application* app=nullptr;
 309     string targetURL = request.getRequestURL();
 310
 311     try {
 312         RequestMapper::Settings settings = request.getRequestSettings();
 313         app = &(request.getApplication());
 314
 315         // Three settings dictate how to proceed.
 316         pair<bool,const char*> authType = settings.first->getString("authType");
 317         pair<bool,bool> requireSession = settings.first->getBool("requireSession");
 318         pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
 319
 320         // If no session is required AND the AuthType (an Apache-derived concept) isn't shibboleth,
 321         // then we ignore this request and consider it unprotected. Apache might lie to us if
 322         // ShibBasicHijack is on, but that's up to it.
 323         if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
 324 #ifdef HAVE_STRCASECMP
 325                 (!authType.first || strcasecmp(authType.second,"shibboleth")))
 326 #else
 327                 (!authType.first || _stricmp(authType.second,"shibboleth")))
 328 #endif
 329             return make_pair(true,request.returnDecline());
 330
 331         // Do we have an access control plugin?
 332         if (settings.second) {
 333             const Session* session = nullptr;
 334             try {
 335                 session = request.getSession(false);
 336             }
 337             catch (exception& e) {
 338                 log.warn("unable to obtain session to pass to access control provider: %s", e.what());
 339             }
 340
 341             Locker acllock(settings.second);
 342             switch (settings.second->authorized(request,session)) {
 343                 case AccessControl::shib_acl_true:
 344                     log.debug("access control provider granted access");
 345                     return make_pair(true,request.returnOK());
 346
 347                 case AccessControl::shib_acl_false:
 348                 {
 349                     log.warn("access control provider denied access");
 350                     TemplateParameters tp;
 351                     tp.m_map["requestURL"] = targetURL;
 352                     return make_pair(true,sendError(log, request, app, "access", tp, false));
 353                 }
 354
 355                 default:
 356                     // Use the "DECLINE" interface to signal we don't know what to do.
 357                     return make_pair(true,request.returnDecline());
 358             }
 359         }
 360         else {
 361             return make_pair(true,request.returnDecline());
 362         }
 363     }
 364     catch (exception& e) {
 365         request.log(SPRequest::SPError, e.what());
 366         TemplateParameters tp(&e);
 367         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 368         return make_pair(true,sendError(log, request, app, "access", tp));
 369     }
 370 }
 371
 372 pair<bool,long> ServiceProvider::doExport(SPRequest& request, bool requireSession) const
 373 {
 374 #ifdef _DEBUG
 375     xmltooling::NDC ndc("doExport");
 376 #endif
 377     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 378
 379     const Application* app=nullptr;
 380     string targetURL = request.getRequestURL();
 381
 382     try {
 383         RequestMapper::Settings settings = request.getRequestSettings();
 384         app = &(request.getApplication());
 385
 386         const Session* session = nullptr;
 387         try {
 388             session = request.getSession(false);
 389         }
 390         catch (exception& e) {
 391             log.warn("unable to obtain session to export to request: %s", e.what());
 392                 // If we have to have a session, then this is a fatal error.
 393                 if (requireSession)
 394                         throw;
 395         }
 396
 397                 // Still no data?
 398         if (!session) {
 399                 if (requireSession)
 400                 throw opensaml::RetryableProfileException("Unable to obtain session to export to request.");
 401                 else
 402                         return make_pair(false,0L);     // just bail silently
 403         }
 404
 405         app->setHeader(request, "Shib-Application-ID", app->getId());
 406         app->setHeader(request, "Shib-Session-ID", session->getID());
 407
 408         // Export the IdP name and Authn method/context info.
 409         const char* hval = session->getEntityID();
 410         if (hval)
 411             app->setHeader(request, "Shib-Identity-Provider", hval);
 412         hval = session->getAuthnInstant();
 413         if (hval)
 414             app->setHeader(request, "Shib-Authentication-Instant", hval);
 415         hval = session->getAuthnContextClassRef();
 416         if (hval) {
 417             app->setHeader(request, "Shib-Authentication-Method", hval);
 418             app->setHeader(request, "Shib-AuthnContext-Class", hval);
 419         }
 420         hval = session->getAuthnContextDeclRef();
 421         if (hval)
 422             app->setHeader(request, "Shib-AuthnContext-Decl", hval);
 423
 424         // Maybe export the assertion keys.
 425         pair<bool,bool> exp=settings.first->getBool("exportAssertion");
 426         if (exp.first && exp.second) {
 427             const PropertySet* sessions=app->getPropertySet("Sessions");
 428             pair<bool,const char*> exportLocation = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,nullptr);
 429             if (!exportLocation.first)
 430                 log.warn("can't export assertions without an exportLocation Sessions property");
 431             else {
 432                 const URLEncoder* encoder = XMLToolingConfig::getConfig().getURLEncoder();
 433                 string exportName = "Shib-Assertion-00";
 434                 string baseURL;
 435                 if (!strncmp(exportLocation.second, "http", 4))
 436                     baseURL = exportLocation.second;
 437                 else
 438                     baseURL = string(request.getHandlerURL(targetURL.c_str())) + exportLocation.second;
 439                 baseURL = baseURL + "?key=" + session->getID() + "&ID=";
 440                 const vector<const char*>& tokens = session->getAssertionIDs();
 441                 vector<const char*>::size_type count = 0;
 442                 for (vector<const char*>::const_iterator tokenids = tokens.begin(); tokenids!=tokens.end(); ++tokenids) {
 443                     count++;
 444                     *(exportName.rbegin()) = '0' + (count%10);
 445                     *(++exportName.rbegin()) = '0' + (count/10);
 446                     string fullURL = baseURL + encoder->encode(*tokenids);
 447                     app->setHeader(request, exportName.c_str(), fullURL.c_str());
 448                 }
 449                 app->setHeader(request, "Shib-Assertion-Count", exportName.c_str() + 15);
 450             }
 451         }
 452
 453         // Export the attributes.
 454         const multimap<string,const Attribute*>& attributes = session->getIndexedAttributes();
 455         for (multimap<string,const Attribute*>::const_iterator a = attributes.begin(); a!=attributes.end(); ++a) {
 456             if (a->second->isInternal())
 457                 continue;
 458             string header(app->getSecureHeader(request, a->first.c_str()));
 459             const vector<string>& vals = a->second->getSerializedValues();
 460             for (vector<string>::const_iterator v = vals.begin(); v!=vals.end(); ++v) {
 461                 if (!header.empty())
 462                     header += ";";
 463                 string::size_type pos = v->find_first_of(';',string::size_type(0));
 464                 if (pos!=string::npos) {
 465                     string value(*v);
 466                     for (; pos != string::npos; pos = value.find_first_of(';',pos)) {
 467                         value.insert(pos, "\\");
 468                         pos += 2;
 469                     }
 470                     header += value;
 471                 }
 472                 else {
 473                     header += (*v);
 474                 }
 475             }
 476             app->setHeader(request, a->first.c_str(), header.c_str());
 477         }
 478
 479         // Check for REMOTE_USER.
 480         bool remoteUserSet = false;
 481         const vector<string>& rmids = app->getRemoteUserAttributeIds();
 482         for (vector<string>::const_iterator rmid = rmids.begin(); !remoteUserSet && rmid != rmids.end(); ++rmid) {
 483             pair<multimap<string,const Attribute*>::const_iterator,multimap<string,const Attribute*>::const_iterator> matches =
 484                 attributes.equal_range(*rmid);
 485             for (; matches.first != matches.second; ++matches.first) {
 486                 const vector<string>& vals = matches.first->second->getSerializedValues();
 487                 if (!vals.empty()) {
 488                     request.setRemoteUser(vals.front().c_str());
 489                     remoteUserSet = true;
 490                     break;
 491                 }
 492             }
 493         }
 494
 495         return make_pair(false,0L);
 496     }
 497     catch (exception& e) {
 498         request.log(SPRequest::SPError, e.what());
 499         TemplateParameters tp(&e);
 500         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 501         return make_pair(true,sendError(log, request, app, "session", tp));
 502     }
 503 }
 504
 505 pair<bool,long> ServiceProvider::doHandler(SPRequest& request) const
 506 {
 507 #ifdef _DEBUG
 508     xmltooling::NDC ndc("doHandler");
 509 #endif
 510     Category& log = Category::getInstance(SHIBSP_LOGCAT".ServiceProvider");
 511
 512     const Application* app=nullptr;
 513     string targetURL = request.getRequestURL();
 514
 515     try {
 516         RequestMapper::Settings settings = request.getRequestSettings();
 517         app = &(request.getApplication());
 518
 519         // If not SSL, check to see if we should block or redirect it.
 520         if (!request.isSecure()) {
 521             pair<bool,const char*> redirectToSSL = settings.first->getString("redirectToSSL");
 522             if (redirectToSSL.first) {
 523 #ifdef HAVE_STRCASECMP
 524                 if (!strcasecmp("GET",request.getMethod()) || !strcasecmp("HEAD",request.getMethod())) {
 525 #else
 526                 if (!stricmp("GET",request.getMethod()) || !stricmp("HEAD",request.getMethod())) {
 527 #endif
 528                     // Compute the new target URL
 529                     string redirectURL = string("https://") + request.getHostname();
 530                     if (strcmp(redirectToSSL.second,"443")) {
 531                         redirectURL = redirectURL + ':' + redirectToSSL.second;
 532                     }
 533                     redirectURL += request.getRequestURI();
 534                     return make_pair(true, request.sendRedirect(redirectURL.c_str()));
 535                 }
 536                 else {
 537                     TemplateParameters tp;
 538                     tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 539                     return make_pair(true,sendError(log, request, app, "ssl", tp, false));
 540                 }
 541             }
 542         }
 543
 544         const char* handlerURL=request.getHandlerURL(targetURL.c_str());
 545         if (!handlerURL)
 546             throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
 547
 548         // Make sure we only process handler requests.
 549         if (!strstr(targetURL.c_str(),handlerURL))
 550             return make_pair(true, request.returnDecline());
 551
 552         const PropertySet* sessionProps=app->getPropertySet("Sessions");
 553         if (!sessionProps)
 554             throw ConfigurationException("Unable to map request to application session settings, check configuration.");
 555
 556         // Process incoming request.
 557         pair<bool,bool> handlerSSL=sessionProps->getBool("handlerSSL");
 558
 559         // Make sure this is SSL, if it should be
 560         if ((!handlerSSL.first || handlerSSL.second) && !request.isSecure())
 561             throw opensaml::FatalProfileException("Blocked non-SSL access to Shibboleth handler.");
 562
 563         // We dispatch based on our path info. We know the request URL begins with or equals the handler URL,
 564         // so the path info is the next character (or null).
 565         const Handler* handler=app->getHandler(targetURL.c_str() + strlen(handlerURL));
 566         if (!handler)
 567             throw ConfigurationException("Shibboleth handler invoked at an unconfigured location.");
 568
 569         pair<bool,long> hret=handler->run(request);
 570
 571         // Did the handler run successfully?
 572         if (hret.first)
 573             return hret;
 574
 575         throw ConfigurationException("Configured Shibboleth handler failed to process the request.");
 576     }
 577     catch (exception& e) {
 578         request.log(SPRequest::SPError, e.what());
 579         TemplateParameters tp(&e);
 580         tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
 581         tp.m_request = &request;
 582         return make_pair(true,sendError(log, request, app, "session", tp));
 583     }
 584 }