org.picketlink.identity.federation.api.util.KeyUtil Maven / Gradle / Ivy
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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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*/
package org.picketlink.identity.federation.api.util;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import org.picketlink.identity.federation.core.ErrorCodes;
import org.picketlink.identity.federation.core.exceptions.ConfigurationException;
import org.picketlink.identity.federation.core.exceptions.ParsingException;
import org.picketlink.identity.federation.core.exceptions.ProcessingException;
import org.picketlink.identity.federation.core.saml.v2.util.DocumentUtil;
import org.picketlink.identity.federation.core.util.Base64;
import org.w3c.dom.Element;
/**
* Utility dealing with PublicKey/Certificates and xml-dsig KeyInfoType
* @author [email protected]
* @since Apr 29, 2009
*/
public class KeyUtil
{
private static String EOL = getSystemProperty("line.separator", "\n");
/**
* Base64 encode the certificate
* @param certificate
* @return
* @throws CertificateEncodingException
*/
public static String encodeAsString(Certificate certificate) throws CertificateEncodingException
{
return Base64.encodeBytes(certificate.getEncoded());
}
/**
* Given a certificate, build a keyinfo type
* @param certificate
* @return
* @throws CertificateException
* @throws ProcessingException
* @throws ParsingException
* @throws ConfigurationException
*/
public static Element getKeyInfo(Certificate certificate) throws CertificateException, ConfigurationException,
ParsingException, ProcessingException
{
if (certificate == null)
throw new IllegalArgumentException(ErrorCodes.NULL_ARGUMENT + "certificate is null");
StringBuilder builder = new StringBuilder();
if (certificate instanceof X509Certificate)
{
X509Certificate x509 = (X509Certificate) certificate;
//Add the binary encoded x509 cert
String certStr = Base64.encodeBytes(x509.getEncoded(), 76);
builder.append("").append(EOL).append("")
.append(EOL).append("").append(EOL).append(certStr).append(EOL)
.append(" ").append(" ").append(" ");
}
else
throw new RuntimeException(ErrorCodes.NOT_IMPLEMENTED_YET);
return DocumentUtil.getDocument(builder.toString()).getDocumentElement();
}
/**
* Get the system property
* @param key
* @param defaultValue
* @return
*/
static String getSystemProperty(final String key, final String defaultValue)
{
return AccessController.doPrivileged(new PrivilegedAction()
{
public String run()
{
return System.getProperty(key, defaultValue);
}
});
}
}