136 lines
4.9 KiB
Java
136 lines
4.9 KiB
Java
/*
|
|
* Copyright (C) 2017 Schürmann & Breitmoser GbR
|
|
*
|
|
* 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, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package org.sufficientlysecure.keychain.pgp;
|
|
|
|
import com.google.auto.value.AutoValue;
|
|
import org.bouncycastle.bcpg.BCPGInputStream;
|
|
import org.bouncycastle.bcpg.BCPGOutputStream;
|
|
import org.bouncycastle.bcpg.Packet;
|
|
import org.bouncycastle.bcpg.UserAttributePacket;
|
|
import org.bouncycastle.bcpg.UserAttributeSubpacket;
|
|
import org.bouncycastle.bcpg.UserAttributeSubpacketInputStream;
|
|
import org.bouncycastle.bcpg.UserAttributeSubpacketTags;
|
|
import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
|
|
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.IOException;
|
|
import java.io.ObjectStreamException;
|
|
import java.io.Serializable;
|
|
import java.util.ArrayList;
|
|
|
|
public class WrappedUserAttribute implements Serializable {
|
|
|
|
public static final int UAT_NONE = 0;
|
|
public static final int UAT_IMAGE = UserAttributeSubpacketTags.IMAGE_ATTRIBUTE;
|
|
public static final int UAT_URI_ATTRIBUTE = 101;
|
|
|
|
private PGPUserAttributeSubpacketVector mVector;
|
|
|
|
WrappedUserAttribute(PGPUserAttributeSubpacketVector vector) {
|
|
mVector = vector;
|
|
}
|
|
|
|
PGPUserAttributeSubpacketVector getVector() {
|
|
return mVector;
|
|
}
|
|
|
|
public int getType() {
|
|
UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
|
|
if (subpackets.length > 0) {
|
|
return subpackets[0].getType();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
public static WrappedUserAttribute fromSubpacket (int type, byte[] data) {
|
|
UserAttributeSubpacket subpacket = new UserAttributeSubpacket(type, data);
|
|
PGPUserAttributeSubpacketVector vector = new PGPUserAttributeSubpacketVector(
|
|
new UserAttributeSubpacket[] { subpacket });
|
|
|
|
return new WrappedUserAttribute(vector);
|
|
|
|
}
|
|
|
|
public byte[] getEncoded () throws IOException {
|
|
UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
|
|
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
|
for (UserAttributeSubpacket subpacket : subpackets) {
|
|
subpacket.encode(out);
|
|
}
|
|
return out.toByteArray();
|
|
}
|
|
|
|
public static WrappedUserAttribute fromData (byte[] data) throws IOException {
|
|
UserAttributeSubpacketInputStream in =
|
|
new UserAttributeSubpacketInputStream(new ByteArrayInputStream(data));
|
|
ArrayList<UserAttributeSubpacket> list = new ArrayList<>();
|
|
while (in.available() > 0) {
|
|
list.add(in.readPacket());
|
|
}
|
|
UserAttributeSubpacket[] result = new UserAttributeSubpacket[list.size()];
|
|
list.toArray(result);
|
|
return new WrappedUserAttribute(
|
|
new PGPUserAttributeSubpacketVector(result));
|
|
}
|
|
|
|
/** Writes this object to an ObjectOutputStream. */
|
|
private void writeObject(java.io.ObjectOutputStream out) throws IOException {
|
|
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
BCPGOutputStream bcpg = new BCPGOutputStream(baos);
|
|
bcpg.writePacket(new UserAttributePacket(mVector.toSubpacketArray()));
|
|
out.writeObject(baos.toByteArray());
|
|
|
|
}
|
|
|
|
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
|
|
|
|
byte[] data = (byte[]) in.readObject();
|
|
BCPGInputStream bcpg = new BCPGInputStream(new ByteArrayInputStream(data));
|
|
Packet p = bcpg.readPacket();
|
|
if ( ! UserAttributePacket.class.isInstance(p)) {
|
|
throw new IOException("Could not decode UserAttributePacket!");
|
|
}
|
|
mVector = new PGPUserAttributeSubpacketVector(((UserAttributePacket) p).getSubpackets());
|
|
|
|
}
|
|
|
|
public byte[][] getSubpackets() {
|
|
UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
|
|
byte[][] ret = new byte[subpackets.length][];
|
|
for (int i = 0; i < subpackets.length; i++) {
|
|
ret[i] = subpackets[i].getData();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private void readObjectNoData() throws ObjectStreamException {
|
|
}
|
|
|
|
@SuppressWarnings("SimplifiableIfStatement")
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (!WrappedUserAttribute.class.isInstance(o)) {
|
|
return false;
|
|
}
|
|
return mVector.equals(((WrappedUserAttribute) o).mVector);
|
|
}
|
|
|
|
}
|