saml/encryption/EncryptedKeyResolver.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  * EncryptedKeyResolver.cpp
  19  *
  20  * SAML-specific encrypted key resolver.
  21  */
  22
  23 #include "internal.h"
  24 #include "encryption/EncryptedKeyResolver.h"
  25 #include "saml2/core/Assertions.h"
  26
  27 using namespace xmlencryption;
  28 using opensaml::saml2::EncryptedElementType;
  29 using namespace std;
  30
  31 opensaml::EncryptedKeyResolver::EncryptedKeyResolver(const EncryptedElementType& ref) : m_ref(ref)
  32 {
  33 }
  34
  35 opensaml::EncryptedKeyResolver::~EncryptedKeyResolver()
  36 {
  37 }
  38
  39 const EncryptedKey* opensaml::EncryptedKeyResolver::resolveKey(const EncryptedData& encryptedData, const XMLCh* recipient) const
  40 {
  41     const EncryptedKey* base = xmlencryption::EncryptedKeyResolver::resolveKey(encryptedData, recipient);
  42     if (base)
  43         return base;
  44
  45     const vector<EncryptedKey*>& keys=m_ref.getEncryptedKeys();
  46     for (vector<EncryptedKey*>::const_iterator i=keys.begin(); i!=keys.end(); i++) {
  47         if (XMLString::equals(recipient,(*i)->getRecipient()))
  48             return (*i);
  49     }
  50     return nullptr;
  51 }