Update copyright.
[shibboleth/cpp-xmltooling.git] / xmltooling / security / impl / TrustEngine.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  * TrustEngine.cpp
19  * 
20  * Registration of factories for built-in engines
21  */
22
23 #include "internal.h"
24 #include "security/TrustEngine.h"
25
26 #include <xercesc/util/XMLUniDefs.hpp>
27
28 using namespace xmltooling;
29 using namespace std;
30
31 namespace xmltooling {
32     XMLTOOL_DLLLOCAL PluginManager<TrustEngine,const DOMElement*>::Factory ExplicitKeyTrustEngineFactory;
33     XMLTOOL_DLLLOCAL PluginManager<TrustEngine,const DOMElement*>::Factory ChainingTrustEngineFactory;
34 };
35
36 void XMLTOOL_API xmltooling::registerTrustEngines()
37 {
38     XMLToolingConfig& conf=XMLToolingConfig::getConfig();
39     conf.TrustEngineManager.registerFactory(EXPLICIT_KEY_TRUSTENGINE, ExplicitKeyTrustEngineFactory);
40     conf.TrustEngineManager.registerFactory(CHAINING_TRUSTENGINE, ChainingTrustEngineFactory);
41 }
42
43 static const XMLCh GenericKeyResolver[] =           UNICODE_LITERAL_11(K,e,y,R,e,s,o,l,v,e,r);
44 static const XMLCh type[] =                         UNICODE_LITERAL_4(t,y,p,e);
45
46 TrustEngine::TrustEngine(const DOMElement* e) : m_keyResolver(NULL)
47 {
48     DOMElement* child = e ? XMLHelper::getFirstChildElement(e,GenericKeyResolver) : NULL;
49     if (child) {
50         auto_ptr_char t(child->getAttributeNS(NULL,type));
51         if (t.get())
52             m_keyResolver = XMLToolingConfig::getConfig().KeyResolverManager.newPlugin(t.get(),child);
53         else
54             throw UnknownExtensionException("<KeyResolver> element found with no type attribute");
55     }
56     else if (!m_keyResolver) {
57         m_keyResolver = XMLToolingConfig::getConfig().KeyResolverManager.newPlugin(INLINE_KEY_RESOLVER, child);
58     }
59 }
60
61 TrustEngine::~TrustEngine()
62 {
63     delete m_keyResolver;
64 }