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/*
* Copyright 2001-2007 Internet2
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* SAMLArtifact.cpp
*
* Base class for SAML 1.x and 2.0 artifacts
*/
#include "internal.h"
#include "binding/SAMLArtifact.h"
#include <xercesc/util/Base64.hpp>
using namespace opensaml;
using namespace xmltooling;
using namespace std;
namespace opensaml {
namespace saml1p {
SAML_DLLLOCAL PluginManager<SAMLArtifact,string,const char*>::Factory SAMLArtifactType0001Factory;
SAML_DLLLOCAL PluginManager<SAMLArtifact,string,const char*>::Factory SAMLArtifactType0002Factory;
};
namespace saml2p {
SAML_DLLLOCAL PluginManager<SAMLArtifact,string,const char*>::Factory SAML2ArtifactType0004Factory;
};
};
void SAML_API opensaml::registerSAMLArtifacts()
{
SAMLConfig& conf=SAMLConfig::getConfig();
string typecode;
typecode+=(char)0x0;
typecode+=(char)0x1;
conf.SAMLArtifactManager.registerFactory(typecode, saml1p::SAMLArtifactType0001Factory);
typecode[1]=(char)0x2;
conf.SAMLArtifactManager.registerFactory(typecode, saml1p::SAMLArtifactType0002Factory);
typecode[1]=(char)0x4;
conf.SAMLArtifactManager.registerFactory(typecode, saml2p::SAML2ArtifactType0004Factory);
}
const unsigned int SAMLArtifact::TYPECODE_LENGTH = 2;
// Basic constructor just decodes the string and saves it off.
// Subclasses will handle pulling it apart.
SAMLArtifact::SAMLArtifact(const char* s)
{
unsigned int len=0;
XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(s),&len);
if (!decoded)
throw ArtifactException("Unable to decode base64 artifact.");
XMLByte* ptr=decoded;
while (len--)
m_raw+= *ptr++;
XMLString::release(&decoded);
}
string SAMLArtifact::encode() const
{
unsigned int len=0;
XMLByte* out=Base64::encode(reinterpret_cast<const XMLByte*>(m_raw.data()),m_raw.size(),&len);
if (out) {
string ret(reinterpret_cast<char*>(out),len);
XMLString::release(&out);
return ret;
}
return string();
}
SAMLArtifact* SAMLArtifact::parse(const char* s)
{
// Decode and extract the type code first.
unsigned int len=0;
XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(s),&len);
if (!decoded)
throw ArtifactException("Artifact parser unable to decode base64-encoded artifact.");
string type;
type+= decoded[0];
type+= decoded[1];
XMLString::release(&decoded);
return SAMLConfig::getConfig().SAMLArtifactManager.newPlugin(type,s);
}
string SAMLArtifact::toHex(const string& s)
{
static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
string::size_type len = s.length();
string ret;
// two characters form the hex value.
for (string::size_type i=0; i < len; i++) {
ret+=(DIGITS[((unsigned char)(0xF0 & s[i])) >> 4 ]);
ret+=(DIGITS[0x0F & s[i]]);
}
return ret;
}
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