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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.servlet.cert.scep;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.cert.CertificateException;
import java.util.Enumeration;
import java.util.Vector;
import netscape.security.util.DerValue;
import netscape.security.x509.CertAttrSet;
/**
* Class for handling the decoding of a SCEP Challenge Password
* object. Currently this class cannot be used for encoding
* thus some fo the methods are unimplemented
*/
public class ChallengePassword implements CertAttrSet {
public static final String NAME = "ChallengePassword";
public static final String PASSWORD = "password";
private String cpw;
/**
* Get the password marshalled in this object
*
* @return the challenge password
*/
public String toString() {
return cpw;
}
/**
* Create a ChallengePassword object
*
* @param stuff (must be of type byte[]) a DER-encoded by array following
* The ASN.1 template for ChallenegePassword specified in the SCEP
* documentation
* @throws IOException if the DER encoded byt array was malformed, or if it
* did not match the template
*/
public ChallengePassword(Object stuff)
throws IOException {
ByteArrayInputStream is = new ByteArrayInputStream((byte[]) stuff);
try {
decode(is);
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
/**
* Currently Unimplemented
*/
public void encode(OutputStream out)
throws CertificateException, IOException {
}
public void decode(InputStream in)
throws CertificateException, IOException {
DerValue derVal = new DerValue(in);
construct(derVal);
}
private void construct(DerValue derVal) throws IOException {
try {
cpw = derVal.getPrintableString();
} catch (NullPointerException e) {
cpw = "";
}
}
/**
* Currently Unimplemented
*/
public void set(String name, Object obj)
throws CertificateException, IOException {
}
/**
* Get an attribute of this object.
*
* @param name the name of the attribute of this object to get. The only
* supported attribute is "password"
*/
public Object get(String name)
throws CertificateException, IOException {
if (name.equalsIgnoreCase(PASSWORD)) {
return cpw;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet: ChallengePassword");
}
}
/**
* Currently Unimplemented
*/
public void delete(String name)
throws CertificateException, IOException {
}
/**
* @return an empty set of elements
*/
public Enumeration<String> getAttributeNames() {
return (new Vector<String>()).elements();
}
/**
* @return the String "ChallengePassword"
*/
public String getName() {
return NAME;
}
}
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