139 lines
4.9 KiB
Java
139 lines
4.9 KiB
Java
/*
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<<<<<<< HEAD
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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=======
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>>>>>>> development
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.pgp;
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import org.bouncycastle.bcpg.BCPGInputStream;
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import org.bouncycastle.bcpg.BCPGOutputStream;
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import org.bouncycastle.bcpg.Packet;
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import org.bouncycastle.bcpg.UserAttributePacket;
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import org.bouncycastle.bcpg.UserAttributeSubpacket;
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import org.bouncycastle.bcpg.UserAttributeSubpacketInputStream;
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import org.bouncycastle.bcpg.UserAttributeSubpacketTags;
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import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectStreamException;
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import java.io.Serializable;
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import java.util.ArrayList;
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public class WrappedUserAttribute implements Serializable {
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public static final int UAT_NONE = 0;
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public static final int UAT_IMAGE = UserAttributeSubpacketTags.IMAGE_ATTRIBUTE;
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public static final int UAT_URI_ATTRIBUTE = 101;
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private PGPUserAttributeSubpacketVector mVector;
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WrappedUserAttribute(PGPUserAttributeSubpacketVector vector) {
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mVector = vector;
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}
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PGPUserAttributeSubpacketVector getVector() {
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return mVector;
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}
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public int getType() {
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UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
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if (subpackets.length > 0) {
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return subpackets[0].getType();
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}
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return 0;
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}
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public static WrappedUserAttribute fromSubpacket (int type, byte[] data) {
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UserAttributeSubpacket subpacket = new UserAttributeSubpacket(type, data);
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PGPUserAttributeSubpacketVector vector = new PGPUserAttributeSubpacketVector(
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new UserAttributeSubpacket[] { subpacket });
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return new WrappedUserAttribute(vector);
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}
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public byte[] getEncoded () throws IOException {
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UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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for (UserAttributeSubpacket subpacket : subpackets) {
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subpacket.encode(out);
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}
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return out.toByteArray();
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}
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public static WrappedUserAttribute fromData (byte[] data) throws IOException {
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UserAttributeSubpacketInputStream in =
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new UserAttributeSubpacketInputStream(new ByteArrayInputStream(data));
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ArrayList<UserAttributeSubpacket> list = new ArrayList<>();
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while (in.available() > 0) {
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list.add(in.readPacket());
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}
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UserAttributeSubpacket[] result = new UserAttributeSubpacket[list.size()];
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list.toArray(result);
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return new WrappedUserAttribute(
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new PGPUserAttributeSubpacketVector(result));
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}
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/** Writes this object to an ObjectOutputStream. */
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private void writeObject(java.io.ObjectOutputStream out) throws IOException {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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BCPGOutputStream bcpg = new BCPGOutputStream(baos);
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bcpg.writePacket(new UserAttributePacket(mVector.toSubpacketArray()));
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out.writeObject(baos.toByteArray());
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}
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private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
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byte[] data = (byte[]) in.readObject();
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BCPGInputStream bcpg = new BCPGInputStream(new ByteArrayInputStream(data));
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Packet p = bcpg.readPacket();
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if ( ! UserAttributePacket.class.isInstance(p)) {
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throw new IOException("Could not decode UserAttributePacket!");
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}
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mVector = new PGPUserAttributeSubpacketVector(((UserAttributePacket) p).getSubpackets());
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}
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public byte[][] getSubpackets() {
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UserAttributeSubpacket[] subpackets = mVector.toSubpacketArray();
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byte[][] ret = new byte[subpackets.length][];
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for (int i = 0; i < subpackets.length; i++) {
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ret[i] = subpackets[i].getData();
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}
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return ret;
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}
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private void readObjectNoData() throws ObjectStreamException {
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}
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@SuppressWarnings("SimplifiableIfStatement")
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@Override
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public boolean equals(Object o) {
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if (!WrappedUserAttribute.class.isInstance(o)) {
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return false;
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}
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return mVector.equals(((WrappedUserAttribute) o).mVector);
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}
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}
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