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22 * EncryptedKeyResolver.cpp
24 * SAML-specific encrypted key resolver.
28 #include "encryption/EncryptedKeyResolver.h"
29 #include "saml2/core/Assertions.h"
31 #include <boost/lambda/bind.hpp>
32 #include <boost/lambda/lambda.hpp>
34 using namespace xmlencryption;
35 using opensaml::saml2::EncryptedElementType;
36 using namespace boost::lambda;
37 using namespace boost;
40 opensaml::EncryptedKeyResolver::EncryptedKeyResolver(const EncryptedElementType& ref) : m_ref(ref)
44 opensaml::EncryptedKeyResolver::~EncryptedKeyResolver()
48 const EncryptedKey* opensaml::EncryptedKeyResolver::resolveKey(const EncryptedData& encryptedData, const XMLCh* recipient) const
50 const EncryptedKey* base = xmlencryption::EncryptedKeyResolver::resolveKey(encryptedData, recipient);
54 static bool (*equal_fn)(const XMLCh*, const XMLCh*) = &XMLString::equals;
56 // Look for first match that has no Recipient attribute, or matches the input recipient.
57 // Using XMLString::equals allows for both to be NULL and still match.
58 vector<EncryptedKey*>::const_iterator k = find_if(
59 m_ref.getEncryptedKeys().begin(), m_ref.getEncryptedKeys().end(),
60 (lambda::bind(&EncryptedKey::getRecipient, _1) == nullptr ||
61 lambda::bind(equal_fn, recipient, lambda::bind(&EncryptedKey::getRecipient, _1)))
63 return (k != m_ref.getEncryptedKeys().end()) ? (*k) : nullptr;