saml/saml2/metadata/impl/MetadataProvider.cpp

   1 /*
   2  *  Copyright 2001-2007 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  * MetadataProvider.cpp
  19  *
  20  * Registration of factories for built-in providers
  21  */
  22
  23 #include "internal.h"
  24 #include "saml2/metadata/MetadataFilter.h"
  25 #include "saml2/metadata/MetadataProvider.h"
  26
  27 #include <xercesc/util/XMLUniDefs.hpp>
  28 #include <xmltooling/logging.h>
  29 #include <xmltooling/util/NDC.h>
  30 #include <xmltooling/util/XMLHelper.h>
  31
  32 using namespace opensaml::saml2md;
  33 using namespace opensaml;
  34 using namespace xmltooling::logging;
  35 using namespace xmltooling;
  36 using namespace std;
  37
  38 namespace opensaml {
  39     namespace saml2md {
  40         SAML_DLLLOCAL PluginManager<MetadataProvider,string,const DOMElement*>::Factory XMLMetadataProviderFactory;
  41         SAML_DLLLOCAL PluginManager<MetadataProvider,string,const DOMElement*>::Factory DynamicMetadataProviderFactory;
  42         SAML_DLLLOCAL PluginManager<MetadataProvider,string,const DOMElement*>::Factory ChainingMetadataProviderFactory;
  43         SAML_DLLLOCAL PluginManager<MetadataProvider,string,const DOMElement*>::Factory NullMetadataProviderFactory;
  44         SAML_DLLLOCAL PluginManager<MetadataFilter,string,const DOMElement*>::Factory BlacklistMetadataFilterFactory;
  45         SAML_DLLLOCAL PluginManager<MetadataFilter,string,const DOMElement*>::Factory WhitelistMetadataFilterFactory;
  46         SAML_DLLLOCAL PluginManager<MetadataFilter,string,const DOMElement*>::Factory SignatureMetadataFilterFactory;
  47         SAML_DLLLOCAL PluginManager<MetadataFilter,string,const DOMElement*>::Factory RequireValidUntilMetadataFilterFactory;
  48     };
  49 };
  50
  51 void SAML_API opensaml::saml2md::registerMetadataProviders()
  52 {
  53     SAMLConfig& conf=SAMLConfig::getConfig();
  54     conf.MetadataProviderManager.registerFactory(XML_METADATA_PROVIDER, XMLMetadataProviderFactory);
  55     conf.MetadataProviderManager.registerFactory(DYNAMIC_METADATA_PROVIDER, DynamicMetadataProviderFactory);
  56     conf.MetadataProviderManager.registerFactory(CHAINING_METADATA_PROVIDER, ChainingMetadataProviderFactory);
  57     conf.MetadataProviderManager.registerFactory(NULL_METADATA_PROVIDER, NullMetadataProviderFactory);
  58 }
  59
  60 void SAML_API opensaml::saml2md::registerMetadataFilters()
  61 {
  62     SAMLConfig::getConfig().MetadataFilterManager.registerFactory(BLACKLIST_METADATA_FILTER, BlacklistMetadataFilterFactory);
  63     SAMLConfig::getConfig().MetadataFilterManager.registerFactory(WHITELIST_METADATA_FILTER, WhitelistMetadataFilterFactory);
  64     SAMLConfig::getConfig().MetadataFilterManager.registerFactory(SIGNATURE_METADATA_FILTER, SignatureMetadataFilterFactory);
  65     SAMLConfig::getConfig().MetadataFilterManager.registerFactory(REQUIREVALIDUNTIL_METADATA_FILTER, RequireValidUntilMetadataFilterFactory);
  66 }
  67
  68 static const XMLCh _MetadataFilter[] =  UNICODE_LITERAL_14(M,e,t,a,d,a,t,a,F,i,l,t,e,r);
  69 static const XMLCh Blacklist[] =        UNICODE_LITERAL_23(B,l,a,c,k,l,i,s,t,M,e,t,a,d,a,t,a,F,i,l,t,e,r);
  70 static const XMLCh Whitelist[] =        UNICODE_LITERAL_23(W,h,i,t,e,l,i,s,t,M,e,t,a,d,a,t,a,F,i,l,t,e,r);
  71 static const XMLCh SigFilter[] =        UNICODE_LITERAL_23(S,i,g,n,a,t,u,r,e,M,e,t,a,d,a,t,a,F,i,l,t,e,r);
  72 static const XMLCh Exclude[] =          UNICODE_LITERAL_7(E,x,c,l,u,d,e);
  73 static const XMLCh Include[] =          UNICODE_LITERAL_7(I,n,c,l,u,d,e);
  74 static const XMLCh type[] =             UNICODE_LITERAL_4(t,y,p,e);
  75
  76 MetadataProvider::MetadataProvider(const DOMElement* e)
  77 {
  78 #ifdef _DEBUG
  79     NDC ndc("MetadataProvider");
  80 #endif
  81     Category& log = Category::getInstance(SAML_LOGCAT".Metadata");
  82     SAMLConfig& conf=SAMLConfig::getConfig();
  83
  84     // Locate any default recognized filters and plugins.
  85     try {
  86         DOMElement* child = e ? XMLHelper::getFirstChildElement(e) : NULL;
  87         while (child) {
  88             if (XMLString::equals(child->getLocalName(),_MetadataFilter)) {
  89                 auto_ptr_char t(child->getAttributeNS(NULL,type));
  90                 if (t.get() && *t.get()) {
  91                     log.info("building MetadataFilter of type %s", t.get());
  92                     m_filters.push_back(conf.MetadataFilterManager.newPlugin(t.get(),child));
  93                 }
  94             }
  95             else if (XMLString::equals(child->getLocalName(),SigFilter)) {
  96                 log.info("building MetadataFilter of type %s", SIGNATURE_METADATA_FILTER);
  97                 m_filters.push_back(conf.MetadataFilterManager.newPlugin(SIGNATURE_METADATA_FILTER,child));
  98             }
  99             else if (XMLString::equals(child->getLocalName(),Whitelist)) {
 100                 log.info("building MetadataFilter of type %s", WHITELIST_METADATA_FILTER);
 101                 m_filters.push_back(conf.MetadataFilterManager.newPlugin(WHITELIST_METADATA_FILTER,child));
 102             }
 103             else if (XMLString::equals(child->getLocalName(),Blacklist)) {
 104                 log.info("building MetadataFilter of type %s", BLACKLIST_METADATA_FILTER);
 105                 m_filters.push_back(conf.MetadataFilterManager.newPlugin(BLACKLIST_METADATA_FILTER,child));
 106             }
 107             else if (XMLString::equals(child->getLocalName(),Include)) {
 108                 log.info("building MetadataFilter of type %s", WHITELIST_METADATA_FILTER);
 109                 m_filters.push_back(conf.MetadataFilterManager.newPlugin(WHITELIST_METADATA_FILTER,e));
 110             }
 111             else if (XMLString::equals(child->getLocalName(),Exclude)) {
 112                 log.info("building MetadataFilter of type %s", BLACKLIST_METADATA_FILTER);
 113                 m_filters.push_back(conf.MetadataFilterManager.newPlugin(BLACKLIST_METADATA_FILTER,e));
 114             }
 115             child = XMLHelper::getNextSiblingElement(child);
 116         }
 117     }
 118     catch (XMLToolingException& ex) {
 119         log.error("caught exception while installing filters: %s", ex.what());
 120         for_each(m_filters.begin(),m_filters.end(),xmltooling::cleanup<MetadataFilter>());
 121         throw;
 122     }
 123 }
 124
 125 MetadataProvider::~MetadataProvider()
 126 {
 127     for_each(m_filters.begin(),m_filters.end(),xmltooling::cleanup<MetadataFilter>());
 128 }
 129
 130 void MetadataProvider::doFilters(XMLObject& xmlObject) const
 131 {
 132 #ifdef _DEBUG
 133     NDC ndc("doFilters");
 134 #endif
 135     Category& log=Category::getInstance(SAML_LOGCAT".Metadata");
 136     for (std::vector<MetadataFilter*>::const_iterator i=m_filters.begin(); i!=m_filters.end(); i++) {
 137         log.info("applying metadata filter (%s)", (*i)->getId());
 138         (*i)->doFilter(xmlObject);
 139     }
 140 }
 141
 142 const EntitiesDescriptor* MetadataProvider::getEntitiesDescriptor(const XMLCh* name, bool strict) const
 143 {
 144     auto_ptr_char temp(name);
 145     return getEntitiesDescriptor(temp.get(),strict);
 146 }