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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 netscape.security.extensions;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.*;
import java.util.*;
import java.security.cert.CertificateException;
import netscape.security.x509.*;
import netscape.security.util.*;
/**
* This represents the CertificateScopeOfUse extension
* as defined in draft-thayes-cert-scope-00
*
* CertificateScopeEntry ::= SEQUENCE {
* name GeneralName, -- pattern, as for NameConstraints
* portNumber INTEGER OPTIONAL
* }
* CertificateScopeOfUse ::= SEQUENCE OF CertificateScopeEntry
*
* @author thomask
* @version $Revision$, $Date$
*/
public class CertificateScopeOfUseExtension extends Extension
implements CertAttrSet {
public static final String NAME = "CertificateScopeOfUse";
public static final int OID[] = { 2, 16, 840, 1, 113730, 1, 17};
public static final ObjectIdentifier ID = new ObjectIdentifier(OID);
private Vector mEntries = null;
static {
try {
OIDMap.addAttribute(CertificateScopeOfUseExtension.class.getName(),
ID.toString(), NAME);
} catch (CertificateException e) {
}
}
public CertificateScopeOfUseExtension(boolean critical, Vector scopeEntries)
throws IOException {
this.extensionId = ID;
this.critical = critical;
this.extensionValue = null; // build this when encodeThis() is called
mEntries = scopeEntries;
encodeThis();
}
public CertificateScopeOfUseExtension(boolean critical) {
this.extensionId = ID;
this.critical = critical;
this.extensionValue = null; // build this when encodeThis() is called
}
public CertificateScopeOfUseExtension(Boolean critical, Object value)
throws IOException {
this.extensionId = ID;
this.critical = critical.booleanValue();
this.extensionValue = (byte[]) ((byte[]) value).clone();
decodeThis();
}
public String getName() {
return NAME;
}
public Vector getCertificateScopeEntries() {
return mEntries;
}
/**
* Sets extension attribute.
*/
public void set(String name, Object obj) throws CertificateException {
// NOT USED
}
/**
* Retrieves extension attribute.
*/
public Object get(String name) throws CertificateException {
// NOT USED
return null;
}
/**
* Deletes attribute.
*/
public void delete(String name) throws CertificateException {
// NOT USED
}
/**
* Decodes this extension.
*/
public void decode(InputStream in) throws IOException {
// NOT USED
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration getElements() {
// NOT USED
return null;
}
private void decodeThis() throws IOException {
DerValue val = new DerValue(this.extensionValue);
if (val.tag != DerValue.tag_Sequence) {
throw new IOException("Invalid encoding of CertificateWindow extension");
}
mEntries = new Vector();
while (val.data.available() != 0) {
mEntries.addElement(new CertificateScopeEntry(
val.data.getDerValue()));
}
}
private void encodeThis() throws IOException {
DerOutputStream seq = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
if (mEntries == null)
throw new IOException("Invalid Scope Entries");
for (int i = 0; i < mEntries.size(); i++) {
CertificateScopeEntry se = (CertificateScopeEntry)
mEntries.elementAt(i);
se.encode(tmp);
}
seq.write(DerValue.tag_Sequence, tmp);
this.extensionValue = seq.toByteArray();
}
/**
* Write the extension to the DerOutputStream.
*
* @param out the DerOutputStream to write the extension to.
* @exception IOException on encoding errors.
*/
public void encode(OutputStream out) throws IOException {
DerOutputStream tmp = new DerOutputStream();
if (this.extensionValue == null) {
encodeThis();
}
super.encode(tmp);
out.write(tmp.toByteArray());
}
/**
* Returns a printable representation of the CertificateRenewalWindow.
*/
public String toString() {
String s = super.toString() + "CertificateUseOfScope [\n";
if (mEntries != null) {
for (int i = 0; i < mEntries.size(); i++) {
CertificateScopeEntry se = (CertificateScopeEntry)
mEntries.elementAt(i);
s += se.toString();
}
}
return (s + "]\n");
}
}
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