xmltooling/security/ChainingTrustEngine.h

   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  * @file xmltooling/security/ChainingTrustEngine.h
  19  *
  20  * OpenSSLTrustEngine that uses multiple engines in sequence.
  21  */
  22
  23 #if !defined(__xmltooling_chaintrust_h__) && !defined(XMLTOOLING_NO_XMLSEC)
  24 #define __xmltooling_chaintrust_h__
  25
  26 #include <xmltooling/security/OpenSSLTrustEngine.h>
  27 #include <xmltooling/security/SignatureTrustEngine.h>
  28
  29 namespace xmltooling {
  30
  31     /**
  32      * OpenSSLTrustEngine that uses multiple engines in sequence.
  33      */
  34     class XMLTOOL_API ChainingTrustEngine : public SignatureTrustEngine, public OpenSSLTrustEngine {
  35     public:
  36         /**
  37          * Constructor.
  38          *
  39          * If a DOM is supplied, the following XML content is supported:
  40          *
  41          * <ul>
  42          *  <li>&lt;TrustEngine&gt; elements with a type attribute
  43          * </ul>
  44          *
  45          * XML namespaces are ignored in the processing of this content.
  46          *
  47          * @param e DOM to supply configuration for provider
  48          */
  49         ChainingTrustEngine(const xercesc::DOMElement* e=NULL);
  50
  51         /**
  52          * Destructor will delete any embedded engines.
  53          */
  54         virtual ~ChainingTrustEngine();
  55
  56         /**
  57          * Adds a trust engine for future calls.
  58          *
  59          * @param newEngine trust engine to add
  60          */
  61         void addTrustEngine(TrustEngine* newEngine) {
  62             m_engines.push_back(newEngine);
  63         }
  64
  65         /**
  66          * Removes a trust engine. The caller must delete the engine if necessary.
  67          *
  68          * @param oldEngine trust engine to remove
  69          * @return  the old engine
  70          */
  71         TrustEngine* removeTrustEngine(TrustEngine* oldEngine) {
  72             for (std::vector<TrustEngine*>::iterator i=m_engines.begin(); i!=m_engines.end(); i++) {
  73                 if (oldEngine==(*i)) {
  74                     m_engines.erase(i);
  75                     return oldEngine;
  76                 }
  77             }
  78             return NULL;
  79         }
  80
  81         bool validate(
  82             xmlsignature::Signature& sig,
  83             const CredentialResolver& credResolver,
  84             CredentialCriteria* criteria=NULL
  85             ) const;
  86         bool validate(
  87             const XMLCh* sigAlgorithm,
  88             const char* sig,
  89             xmlsignature::KeyInfo* keyInfo,
  90             const char* in,
  91             unsigned int in_len,
  92             const CredentialResolver& credResolver,
  93             CredentialCriteria* criteria=NULL
  94             ) const;
  95         bool validate(
  96             XSECCryptoX509* certEE,
  97             const std::vector<XSECCryptoX509*>& certChain,
  98             const CredentialResolver& credResolver,
  99             CredentialCriteria* criteria=NULL
 100             ) const;
 101         bool validate(
 102             X509* certEE,
 103             STACK_OF(X509)* certChain,
 104             const CredentialResolver& credResolver,
 105             CredentialCriteria* criteria=NULL
 106             ) const;
 107     private:
 108         std::vector<TrustEngine*> m_engines;
 109         std::vector<SignatureTrustEngine*> m_sigEngines;
 110         std::vector<X509TrustEngine*> m_x509Engines;
 111         std::vector<OpenSSLTrustEngine*> m_osslEngines;
 112     };
 113
 114 };
 115
 116 #endif /* __xmltooling_chaintrust_h__ */