shibsp/handler/impl/MetadataGenerator.cpp

   1 /**
   2  * Licensed to the University Corporation for Advanced Internet
   3  * Development, Inc. (UCAID) under one or more contributor license
   4  * agreements. See the NOTICE file distributed with this work for
   5  * additional information regarding copyright ownership.
   6  *
   7  * UCAID licenses this file to you under the Apache License,
   8  * Version 2.0 (the "License"); you may not use this file except
   9  * in compliance with the License. You may obtain a copy of the
  10  * License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
  17  * either express or implied. See the License for the specific
  18  * language governing permissions and limitations under the License.
  19  */
  20
  21 /**
  22  * MetadataGenerator.cpp
  23  *
  24  * Handler for generating "approximate" metadata based on SP configuration.
  25  */
  26
  27 #include "internal.h"
  28 #include "Application.h"
  29 #include "exceptions.h"
  30 #include "ServiceProvider.h"
  31 #include "SPRequest.h"
  32 #include "handler/RemotedHandler.h"
  33 #include "handler/SecuredHandler.h"
  34
  35 #include <boost/scoped_ptr.hpp>
  36 #include <boost/iterator/indirect_iterator.hpp>
  37
  38 #ifndef SHIBSP_LITE
  39 # include "attribute/resolver/AttributeExtractor.h"
  40 # include "metadata/MetadataProviderCriteria.h"
  41 # include <boost/ptr_container/ptr_vector.hpp>
  42 # include <saml/exceptions.h>
  43 # include <saml/SAMLConfig.h>
  44 # include <saml/signature/ContentReference.h>
  45 # include <saml/saml2/metadata/Metadata.h>
  46 # include <saml/saml2/metadata/MetadataProvider.h>
  47 # include <xmltooling/XMLToolingConfig.h>
  48 # include <xmltooling/encryption/Encryption.h>
  49 # include <xmltooling/security/Credential.h>
  50 # include <xmltooling/security/CredentialCriteria.h>
  51 # include <xmltooling/security/SecurityHelper.h>
  52 # include <xmltooling/signature/Signature.h>
  53 # include <xmltooling/util/ParserPool.h>
  54 # include <xmltooling/util/PathResolver.h>
  55 # include <xsec/dsig/DSIGConstants.hpp>
  56 # include <xercesc/framework/LocalFileInputSource.hpp>
  57 # include <xercesc/framework/Wrapper4InputSource.hpp>
  58 #endif
  59
  60
  61 using namespace shibsp;
  62 #ifndef SHIBSP_LITE
  63 using namespace opensaml::saml2md;
  64 using namespace opensaml;
  65 using namespace xmlsignature;
  66 using xmlencryption::EncryptionMethod;
  67 using xmlencryption::EncryptionMethodBuilder;
  68 #endif
  69 using namespace xmltooling;
  70 using namespace boost;
  71 using namespace std;
  72
  73 namespace shibsp {
  74
  75 #if defined (_MSC_VER)
  76     #pragma warning( push )
  77     #pragma warning( disable : 4250 )
  78 #endif
  79
  80     class SHIBSP_API MetadataGenerator : public SecuredHandler, public RemotedHandler
  81     {
  82     public:
  83         MetadataGenerator(const DOMElement* e, const char* appId);
  84         virtual ~MetadataGenerator() {}
  85
  86         pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
  87         void receive(DDF& in, ostream& out);
  88
  89     private:
  90         pair<bool,long> processMessage(
  91             const Application& application,
  92             const char* handlerURL,
  93             const char* entityID,
  94             HTTPResponse& httpResponse
  95             ) const;
  96
  97 #ifndef SHIBSP_LITE
  98         void registerEncryptionMethod(const XMLCh* alg) {
  99             if (XMLToolingConfig::getConfig().isXMLAlgorithmSupported(alg, XMLToolingConfig::ALGTYPE_ENCRYPT) ||
 100                 XMLToolingConfig::getConfig().isXMLAlgorithmSupported(alg, XMLToolingConfig::ALGTYPE_KEYENCRYPT) ||
 101                 XMLToolingConfig::getConfig().isXMLAlgorithmSupported(alg, XMLToolingConfig::ALGTYPE_KEYAGREE)) {
 102                 // Non-default builder needed to override namespace/prefix.
 103                 if (!m_encryptionBuilder)
 104                     m_encryptionBuilder = XMLObjectBuilder::getBuilder(xmltooling::QName(samlconstants::SAML20MD_NS, EncryptionMethod::LOCAL_NAME));
 105                 EncryptionMethod* em = dynamic_cast<EncryptionMethod*>(
 106                     m_encryptionBuilder->buildObject(
 107                         samlconstants::SAML20MD_NS, EncryptionMethod::LOCAL_NAME, samlconstants::SAML20MD_PREFIX
 108                         )
 109                     );
 110                 em->setAlgorithm(alg);
 111                 m_encryptions.push_back(em);
 112             }
 113         }
 114
 115         void registerDigestMethod(const XMLCh* alg) {
 116             if (XMLToolingConfig::getConfig().isXMLAlgorithmSupported(alg, XMLToolingConfig::ALGTYPE_DIGEST)) {
 117                 DigestMethod* dm = DigestMethodBuilder::buildDigestMethod();
 118                 dm->setAlgorithm(alg);
 119                 m_digests.push_back(dm);
 120             }
 121         }
 122
 123         void registerSigningMethod(const XMLCh* alg) {
 124             if (XMLToolingConfig::getConfig().isXMLAlgorithmSupported(alg, XMLToolingConfig::ALGTYPE_SIGN)) {
 125                 SigningMethod* sm = SigningMethodBuilder::buildSigningMethod();
 126                 sm->setAlgorithm(alg);
 127                 m_signings.push_back(sm);
 128             }
 129         }
 130
 131         string m_salt;
 132         short m_http,m_https;
 133         vector<string> m_bases;
 134         scoped_ptr<UIInfo> m_uiinfo;
 135         scoped_ptr<Organization> m_org;
 136         scoped_ptr<EntityAttributes> m_entityAttrs;
 137         ptr_vector<ContactPerson> m_contacts;
 138         ptr_vector<NameIDFormat> m_formats;
 139         ptr_vector<RequestedAttribute> m_reqAttrs;
 140         ptr_vector<AttributeConsumingService> m_attrConsumers;
 141         ptr_vector<EncryptionMethod> m_encryptions;
 142         ptr_vector<DigestMethod> m_digests;
 143         ptr_vector<SigningMethod> m_signings;
 144         const XMLObjectBuilder* m_encryptionBuilder;
 145 #endif
 146     };
 147
 148 #if defined (_MSC_VER)
 149     #pragma warning( pop )
 150 #endif
 151
 152     Handler* SHIBSP_DLLLOCAL MetadataGeneratorFactory(const pair<const DOMElement*,const char*>& p)
 153     {
 154         return new MetadataGenerator(p.first, p.second);
 155     }
 156
 157 };
 158
 159 MetadataGenerator::MetadataGenerator(const DOMElement* e, const char* appId)
 160     : SecuredHandler(e, Category::getInstance(SHIBSP_LOGCAT".MetadataGenerator"))
 161 #ifndef SHIBSP_LITE
 162         ,m_http(0), m_https(0), m_encryptionBuilder(nullptr)
 163 #endif
 164 {
 165     string address(appId);
 166     address += getString("Location").second;
 167     setAddress(address.c_str());
 168
 169 #ifndef SHIBSP_LITE
 170     static XMLCh EndpointBase[] =           UNICODE_LITERAL_12(E,n,d,p,o,i,n,t,B,a,s,e);
 171
 172     pair<bool,const char*> salt = getString("salt");
 173     if (salt.first)
 174         m_salt = salt.second;
 175
 176     pair<bool,bool> flag = getBool("http");
 177     if (flag.first)
 178         m_http = flag.second ? 1 : -1;
 179     flag = getBool("https");
 180     if (flag.first)
 181         m_https = flag.second ? 1 : -1;
 182
 183     e = XMLHelper::getFirstChildElement(e);
 184     while (e) {
 185         if (XMLString::equals(e->getLocalName(), EndpointBase) && e->hasChildNodes()) {
 186             auto_ptr_char base(e->getFirstChild()->getNodeValue());
 187             if (base.get() && *base.get())
 188                 m_bases.push_back(base.get());
 189         }
 190         else {
 191             // Try and parse the object.
 192             auto_ptr<XMLObject> child(XMLObjectBuilder::buildOneFromElement(const_cast<DOMElement*>(e)));
 193             ContactPerson* cp = dynamic_cast<ContactPerson*>(child.get());
 194             if (cp) {
 195                 m_contacts.push_back(cp);
 196                 child.release();
 197             }
 198             else {
 199                 NameIDFormat* nif = dynamic_cast<NameIDFormat*>(child.get());
 200                 if (nif) {
 201                     m_formats.push_back(nif);
 202                     child.release();
 203                 }
 204                 else {
 205                     RequestedAttribute* req = dynamic_cast<RequestedAttribute*>(child.get());
 206                     if (req) {
 207                         m_reqAttrs.push_back(req);
 208                         child.release();
 209                     }
 210                     else {
 211                         AttributeConsumingService* acs = dynamic_cast<AttributeConsumingService*>(child.get());
 212                         if (acs) {
 213                             m_attrConsumers.push_back(acs);
 214                             child.release();
 215                         }
 216                         else {
 217                             UIInfo* info = dynamic_cast<UIInfo*>(child.get());
 218                             if (info) {
 219                                 if (!m_uiinfo) {
 220                                     m_uiinfo.reset(info);
 221                                     child.release();
 222                                 }
 223                                 else {
 224                                     m_log.warn("skipping duplicate UIInfo element");
 225                                 }
 226                             }
 227                             else {
 228                                 Organization* org = dynamic_cast<Organization*>(child.get());
 229                                 if (org) {
 230                                     if (!m_org) {
 231                                         m_org.reset(org);
 232                                         child.release();
 233                                     }
 234                                     else {
 235                                         m_log.warn("skipping duplicate Organization element");
 236                                     }
 237                                 }
 238                                 else {
 239                                     EntityAttributes* ea = dynamic_cast<EntityAttributes*>(child.get());
 240                                     if (ea) {
 241                                         if (!m_entityAttrs) {
 242                                             m_entityAttrs.reset(ea);
 243                                             child.release();
 244                                         }
 245                                         else {
 246                                             m_log.warn("skipping duplicate EntityAttributes element");
 247                                         }
 248                                     }
 249                                     else {
 250                                         EncryptionMethod* em = dynamic_cast<EncryptionMethod*>(child.get());
 251                                         if (em) {
 252                                             m_encryptions.push_back(em);
 253                                             child.release();
 254                                         }
 255                                         else {
 256                                             DigestMethod* dm = dynamic_cast<DigestMethod*>(child.get());
 257                                             if (dm) {
 258                                                 m_digests.push_back(dm);
 259                                                 child.release();
 260                                             }
 261                                             else {
 262                                                 SigningMethod* sm = dynamic_cast<SigningMethod*>(child.get());
 263                                                 if (sm) {
 264                                                     m_signings.push_back(sm);
 265                                                     child.release();
 266                                                 }
 267                                             }
 268                                         }
 269                                     }
 270                                 }
 271                             }
 272                         }
 273                     }
 274                 }
 275             }
 276         }
 277         e = XMLHelper::getNextSiblingElement(e);
 278     }
 279
 280     // Default in precedence rules for various algorithms.
 281     if (m_encryptions.empty()) {
 282 #ifdef XSEC_OPENSSL_HAVE_GCM
 283         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES128_GCM);
 284         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES192_GCM);
 285         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES256_GCM);
 286 #endif
 287 #ifdef XSEC_OPENSSL_HAVE_AES
 288         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES128_CBC);
 289         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES192_CBC);
 290         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIAES256_CBC);
 291 #endif
 292         registerEncryptionMethod(DSIGConstants::s_unicodeStrURI3DES_CBC);
 293 #ifdef URI_ID_RSA_OAEP
 294         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIRSA_OAEP);
 295 #endif
 296         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIRSA_OAEP_MGFP1);
 297         registerEncryptionMethod(DSIGConstants::s_unicodeStrURIRSA_1_5);
 298     }
 299
 300     if (m_digests.empty()) {
 301         registerDigestMethod(DSIGConstants::s_unicodeStrURISHA512);
 302         registerDigestMethod(DSIGConstants::s_unicodeStrURISHA384);
 303         registerDigestMethod(DSIGConstants::s_unicodeStrURISHA256);
 304         registerDigestMethod(DSIGConstants::s_unicodeStrURISHA224);
 305         registerDigestMethod(DSIGConstants::s_unicodeStrURISHA1);
 306     }
 307
 308     if (m_signings.empty()) {
 309 #ifdef XSEC_OPENSSL_HAVE_EC
 310         registerSigningMethod(DSIGConstants::s_unicodeStrURIECDSA_SHA512);
 311         registerSigningMethod(DSIGConstants::s_unicodeStrURIECDSA_SHA384);
 312         registerSigningMethod(DSIGConstants::s_unicodeStrURIECDSA_SHA256);
 313 # ifdef URI_ID_ECDSA_SHA224
 314         registerSigningMethod(DSIGConstants::s_unicodeStrURIECDSA_SHA224);
 315 # endif
 316 #endif
 317         registerSigningMethod(DSIGConstants::s_unicodeStrURIRSA_SHA512);
 318         registerSigningMethod(DSIGConstants::s_unicodeStrURIRSA_SHA384);
 319         registerSigningMethod(DSIGConstants::s_unicodeStrURIRSA_SHA256);
 320
 321 #ifdef URI_ID_DSA_SHA256
 322         registerSigningMethod(DSIGConstants::s_unicodeStrURIDSA_SHA256);
 323 #endif
 324
 325 #ifdef XSEC_OPENSSL_HAVE_EC
 326         registerSigningMethod(DSIGConstants::s_unicodeStrURIECDSA_SHA1);
 327 #endif
 328         registerSigningMethod(DSIGConstants::s_unicodeStrURIRSA_SHA1);
 329         registerSigningMethod(DSIGConstants::s_unicodeStrURIDSA_SHA1);
 330     }
 331 #endif
 332 }
 333
 334 pair<bool,long> MetadataGenerator::run(SPRequest& request, bool isHandler) const
 335 {
 336     // Check ACL in base class.
 337     pair<bool,long> ret = SecuredHandler::run(request, isHandler);
 338     if (ret.first)
 339         return ret;
 340
 341     try {
 342         if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
 343             // When out of process, we run natively and directly process the message.
 344             return processMessage(request.getApplication(), request.getHandlerURL(), request.getParameter("entityID"), request);
 345         }
 346         else {
 347             // When not out of process, we remote all the message processing.
 348             DDF out,in = DDF(m_address.c_str());
 349             in.addmember("application_id").string(request.getApplication().getId());
 350             in.addmember("handler_url").string(request.getHandlerURL());
 351             if (request.getParameter("entityID"))
 352                 in.addmember("entity_id").string(request.getParameter("entityID"));
 353             DDFJanitor jin(in), jout(out);
 354
 355             out = request.getServiceProvider().getListenerService()->send(in);
 356             return unwrap(request, out);
 357         }
 358     }
 359     catch (std::exception& ex) {
 360         m_log.error("error while processing request: %s", ex.what());
 361         istringstream msg("Metadata Request Failed");
 362         return make_pair(true, request.sendResponse(msg, HTTPResponse::XMLTOOLING_HTTP_STATUS_ERROR));
 363     }
 364 }
 365
 366 void MetadataGenerator::receive(DDF& in, ostream& out)
 367 {
 368     // Find application.
 369     const char* aid = in["application_id"].string();
 370     const char* hurl = in["handler_url"].string();
 371     const Application* app = aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
 372     if (!app) {
 373         // Something's horribly wrong.
 374         m_log.error("couldn't find application (%s) for metadata request", aid ? aid : "(missing)");
 375         throw ConfigurationException("Unable to locate application for metadata request, deleted?");
 376     }
 377     else if (!hurl) {
 378         throw ConfigurationException("Missing handler_url parameter in remoted method call.");
 379     }
 380
 381     // Wrap a response shim.
 382     DDF ret(nullptr);
 383     DDFJanitor jout(ret);
 384     scoped_ptr<HTTPResponse> resp(getResponse(ret));
 385
 386     // Since we're remoted, the result should either be a throw, a false/0 return,
 387     // which we just return as an empty structure, or a response/redirect,
 388     // which we capture in the facade and send back.
 389     processMessage(*app, hurl, in["entity_id"].string(), *resp);
 390     out << ret;
 391 }
 392
 393 pair<bool,long> MetadataGenerator::processMessage(
 394     const Application& application, const char* handlerURL, const char* entityID, HTTPResponse& httpResponse
 395     ) const
 396 {
 397 #ifndef SHIBSP_LITE
 398     m_log.debug("processing metadata request");
 399
 400     const PropertySet* relyingParty = nullptr;
 401     if (entityID) {
 402         MetadataProvider* m = application.getMetadataProvider();
 403         Locker locker(m);
 404         MetadataProviderCriteria mc(application, entityID);
 405         relyingParty = application.getRelyingParty(m->getEntityDescriptor(mc).first);
 406     }
 407     else {
 408         relyingParty = &application;
 409     }
 410
 411     scoped_ptr<EntityDescriptor> entity;
 412     pair<bool,const char*> prop = getString("template");
 413     if (prop.first) {
 414         // Load a template to use for our metadata.
 415         string templ(prop.second);
 416         XMLToolingConfig::getConfig().getPathResolver()->resolve(templ, PathResolver::XMLTOOLING_CFG_FILE);
 417         auto_ptr_XMLCh widenit(templ.c_str());
 418         LocalFileInputSource src(widenit.get());
 419         Wrapper4InputSource dsrc(&src,false);
 420         DOMDocument* doc = XMLToolingConfig::getConfig().getParser().parse(dsrc);
 421         XercesJanitor<DOMDocument> docjan(doc);
 422         auto_ptr<XMLObject> xmlobj(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
 423         docjan.release();
 424         entity.reset(dynamic_cast<EntityDescriptor*>(xmlobj.get()));
 425         xmlobj.release();
 426         if (!entity)
 427             throw ConfigurationException("Template file ($1) did not contain an EntityDescriptor", params(1, templ.c_str()));
 428     }
 429     else {
 430         entity.reset(EntityDescriptorBuilder::buildEntityDescriptor());
 431     }
 432
 433     // We always have extensions for algorithm support.
 434     if (!entity->getExtensions()) {
 435         entity->setExtensions(ExtensionsBuilder::buildExtensions());
 436         entity->getExtensions()->addNamespace(Namespace(samlconstants::SAML20MD_ALGSUPPORT_NS, samlconstants::SAML20MD_ALGSUPPORT_PREFIX));
 437     }
 438
 439     if (!entity->getID()) {
 440         string hashinput = m_salt + relyingParty->getString("entityID").second;
 441         string hashed = '_' + SecurityHelper::doHash("SHA1", hashinput.c_str(), hashinput.length());
 442         auto_ptr_XMLCh widenit(hashed.c_str());
 443         entity->setID(widenit.get());
 444     }
 445
 446     pair<bool,unsigned int> cache = getUnsignedInt("cacheDuration");
 447     if (cache.first) {
 448         entity->setCacheDuration(cache.second);
 449     }
 450     cache = getUnsignedInt("validUntil");
 451     if (cache.first)
 452         entity->setValidUntil(time(nullptr) + cache.second);
 453     entity->setEntityID(relyingParty->getXMLString("entityID").second);
 454
 455     if (m_org && !entity->getOrganization())
 456         entity->setOrganization(m_org->cloneOrganization());
 457
 458     for (ptr_vector<ContactPerson>::const_iterator cp = m_contacts.begin(); cp != m_contacts.end(); ++cp)
 459         entity->getContactPersons().push_back(cp->cloneContactPerson());
 460
 461     if (m_entityAttrs) {
 462         entity->getExtensions()->getUnknownXMLObjects().push_back(m_entityAttrs->cloneEntityAttributes());
 463     }
 464
 465     SPSSODescriptor* role;
 466     if (entity->getSPSSODescriptors().empty()) {
 467         role = SPSSODescriptorBuilder::buildSPSSODescriptor();
 468         entity->getSPSSODescriptors().push_back(role);
 469     }
 470     else {
 471         role = entity->getSPSSODescriptors().front();
 472     }
 473
 474     for (ptr_vector<NameIDFormat>::const_iterator nif = m_formats.begin(); nif != m_formats.end(); ++nif)
 475         role->getNameIDFormats().push_back(nif->cloneNameIDFormat());
 476
 477     if (m_uiinfo) {
 478         if (!role->getExtensions())
 479             role->setExtensions(ExtensionsBuilder::buildExtensions());
 480         role->getExtensions()->getUnknownXMLObjects().push_back(m_uiinfo->cloneUIInfo());
 481     }
 482
 483     if (!m_digests.empty() || !m_signings.empty()) {
 484         for (ptr_vector<DigestMethod>::const_iterator dm = m_digests.begin(); dm != m_digests.end(); ++dm)
 485             entity->getExtensions()->getUnknownXMLObjects().push_back(dm->cloneDigestMethod());
 486         for (ptr_vector<SigningMethod>::const_iterator sm = m_signings.begin(); sm != m_signings.end(); ++sm)
 487             entity->getExtensions()->getUnknownXMLObjects().push_back(sm->cloneSigningMethod());
 488     }
 489
 490     for (ptr_vector<AttributeConsumingService>::const_iterator acs = m_attrConsumers.begin(); acs != m_attrConsumers.end(); ++acs)
 491         role->getAttributeConsumingServices().push_back(acs->cloneAttributeConsumingService());
 492
 493     if (!m_reqAttrs.empty()) {
 494         int index = 1;
 495         const vector<AttributeConsumingService*>& svcs = const_cast<const SPSSODescriptor*>(role)->getAttributeConsumingServices();
 496         for (indirect_iterator<vector<AttributeConsumingService*>::const_iterator> s = make_indirect_iterator(svcs.begin());
 497                 s != make_indirect_iterator(svcs.end()); ++s) {
 498             pair<bool,int> i = s->getIndex();
 499             if (i.first && index == i.second)
 500                 index = i.second + 1;
 501         }
 502         AttributeConsumingService* svc = AttributeConsumingServiceBuilder::buildAttributeConsumingService();
 503         role->getAttributeConsumingServices().push_back(svc);
 504         svc->setIndex(index);
 505         ServiceName* sn = ServiceNameBuilder::buildServiceName();
 506         svc->getServiceNames().push_back(sn);
 507         sn->setName(entity->getEntityID());
 508         static const XMLCh english[] = UNICODE_LITERAL_2(e,n);
 509         sn->setLang(english);
 510         for (ptr_vector<RequestedAttribute>::const_iterator req = m_reqAttrs.begin(); req != m_reqAttrs.end(); ++req)
 511             svc->getRequestedAttributes().push_back(req->cloneRequestedAttribute());
 512     }
 513
 514     // Policy flags.
 515     prop = relyingParty->getString("signing");
 516     if (prop.first && (!strcmp(prop.second,"true") || !strcmp(prop.second,"front")))
 517         role->AuthnRequestsSigned(true);
 518     pair<bool,bool> flagprop = relyingParty->getBool("requireSignedAssertions");
 519     if (flagprop.first && flagprop.second)
 520         role->WantAssertionsSigned(true);
 521
 522     // Ask each handler to generate itself.
 523     vector<const Handler*> handlers;
 524     application.getHandlers(handlers);
 525     for (indirect_iterator<vector<const Handler*>::const_iterator> h = make_indirect_iterator(handlers.begin());
 526             h != make_indirect_iterator(handlers.end()); ++h) {
 527         if (m_bases.empty()) {
 528             if (strncmp(handlerURL, "https", 5) == 0) {
 529                 if (m_https >= 0)
 530                     h->generateMetadata(*role, handlerURL);
 531                 if (m_http == 1) {
 532                     string temp(handlerURL);
 533                     temp.erase(4, 1);
 534                     h->generateMetadata(*role, temp.c_str());
 535                 }
 536             }
 537             else {
 538                 if (m_http >= 0)
 539                     h->generateMetadata(*role, handlerURL);
 540                 if (m_https == 1) {
 541                     string temp(handlerURL);
 542                     temp.insert(temp.begin() + 4, 's');
 543                     h->generateMetadata(*role, temp.c_str());
 544                 }
 545             }
 546         }
 547         else {
 548             for (vector<string>::const_iterator b = m_bases.begin(); b != m_bases.end(); ++b)
 549                 h->generateMetadata(*role, b->c_str());
 550         }
 551     }
 552
 553     AttributeExtractor* extractor = application.getAttributeExtractor();
 554     if (extractor) {
 555         Locker extlocker(extractor);
 556         extractor->generateMetadata(*role);
 557     }
 558
 559     CredentialResolver* credResolver = application.getCredentialResolver();
 560     if (credResolver) {
 561         Locker credLocker(credResolver);
 562         CredentialCriteria cc;
 563         prop = relyingParty->getString("keyName");
 564         if (prop.first)
 565             cc.getKeyNames().insert(prop.second);
 566         vector<const Credential*> signingcreds,enccreds;
 567         cc.setUsage(Credential::SIGNING_CREDENTIAL);
 568         credResolver->resolve(signingcreds, &cc);
 569         cc.setUsage(Credential::ENCRYPTION_CREDENTIAL);
 570         credResolver->resolve(enccreds, &cc);
 571
 572         for (vector<const Credential*>::const_iterator c = signingcreds.begin(); c != signingcreds.end(); ++c) {
 573             KeyInfo* kinfo = (*c)->getKeyInfo();
 574             if (kinfo) {
 575                 KeyDescriptor* kd = KeyDescriptorBuilder::buildKeyDescriptor();
 576                 kd->setKeyInfo(kinfo);
 577                 const XMLCh* use = KeyDescriptor::KEYTYPE_SIGNING;
 578                 for (vector<const Credential*>::iterator match = enccreds.begin(); match != enccreds.end(); ++match) {
 579                     if (*match == *c) {
 580                         use = nullptr;
 581                         enccreds.erase(match);
 582                         break;
 583                     }
 584                 }
 585                 kd->setUse(use);
 586                 if (!use) {
 587                     for (ptr_vector<EncryptionMethod>::const_iterator em = m_encryptions.begin(); em != m_encryptions.end(); ++em)
 588                         kd->getEncryptionMethods().push_back(em->cloneEncryptionMethod());
 589                 }
 590                 role->getKeyDescriptors().push_back(kd);
 591             }
 592         }
 593
 594         for (vector<const Credential*>::const_iterator c = enccreds.begin(); c != enccreds.end(); ++c) {
 595             KeyInfo* kinfo = (*c)->getKeyInfo();
 596             if (kinfo) {
 597                 KeyDescriptor* kd = KeyDescriptorBuilder::buildKeyDescriptor();
 598                 kd->setUse(KeyDescriptor::KEYTYPE_ENCRYPTION);
 599                 kd->setKeyInfo(kinfo);
 600                 for (ptr_vector<EncryptionMethod>::const_iterator em = m_encryptions.begin(); em != m_encryptions.end(); ++em)
 601                     kd->getEncryptionMethods().push_back(em->cloneEncryptionMethod());
 602                 role->getKeyDescriptors().push_back(kd);
 603             }
 604         }
 605     }
 606
 607     // Stream for response.
 608     stringstream s;
 609
 610     // Self-sign it?
 611     pair<bool,bool> flag = getBool("signing");
 612     if (flag.first && flag.second) {
 613         if (credResolver) {
 614             Locker credLocker(credResolver);
 615             // Fill in criteria to use.
 616             CredentialCriteria cc;
 617             cc.setUsage(Credential::SIGNING_CREDENTIAL);
 618             prop = getString("keyName");
 619             if (prop.first)
 620                 cc.getKeyNames().insert(prop.second);
 621             pair<bool,const XMLCh*> sigalg = getXMLString("signingAlg");
 622             pair<bool,const XMLCh*> digalg = getXMLString("digestAlg");
 623             if (sigalg.first)
 624                 cc.setXMLAlgorithm(sigalg.second);
 625             const Credential* cred = credResolver->resolve(&cc);
 626             if (!cred)
 627                 throw XMLSecurityException("Unable to obtain signing credential to use.");
 628
 629             // Pretty-print it first and then read it back in.
 630             stringstream pretty;
 631             XMLHelper::serialize(entity->marshall(), pretty, true);
 632             DOMDocument* prettydoc = XMLToolingConfig::getConfig().getParser().parse(pretty);
 633             scoped_ptr<XMLObject> prettyentity(XMLObjectBuilder::buildOneFromElement(prettydoc->getDocumentElement(), true));
 634
 635             Signature* sig = SignatureBuilder::buildSignature();
 636             dynamic_cast<EntityDescriptor*>(prettyentity.get())->setSignature(sig);
 637             if (sigalg.first)
 638                 sig->setSignatureAlgorithm(sigalg.second);
 639             if (digalg.first) {
 640                 opensaml::ContentReference* cr = dynamic_cast<opensaml::ContentReference*>(sig->getContentReference());
 641                 if (cr)
 642                     cr->setDigestAlgorithm(digalg.second);
 643             }
 644
 645             // Sign while marshalling.
 646             vector<Signature*> sigs(1,sig);
 647             prettyentity->marshall(prettydoc,&sigs,cred);
 648             s << *prettyentity;
 649         }
 650         else {
 651             throw FatalProfileException("Can't self-sign metadata, no credential resolver found.");
 652         }
 653     }
 654     else {
 655         // Pretty-print it directly to client.
 656         XMLHelper::serialize(entity->marshall(), s, true);
 657     }
 658
 659     prop = getString("mimeType");
 660     httpResponse.setContentType(prop.first ? prop.second : "application/samlmetadata+xml");
 661     return make_pair(true, httpResponse.sendResponse(s));
 662 #else
 663     return make_pair(false, 0L);
 664 #endif
 665 }