132 lines
4 KiB
Java
132 lines
4 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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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.spongycastle.openpgp.PGPKeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
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import org.sufficientlysecure.keychain.util.IterableIterator;
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import java.io.IOException;
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import java.io.OutputStream;
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/** A generic wrapped PGPKeyRing object.
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*
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* This class provides implementations for all basic getters which both
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* PublicKeyRing and SecretKeyRing have in common. To make the wrapped keyring
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* class typesafe in implementing subclasses, the field is stored in the
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* implementing class, providing properly typed access through the getRing
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* getter method.
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*
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*/
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public abstract class CanonicalizedKeyRing extends KeyRing {
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private final int mVerified;
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CanonicalizedKeyRing(int verified) {
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mVerified = verified;
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}
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public long getMasterKeyId() {
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return getRing().getPublicKey().getKeyID();
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}
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public int getVerified() {
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return mVerified;
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}
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public String getPrimaryUserId() throws PgpGeneralException {
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return getPublicKey().getPrimaryUserId();
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}
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public String getPrimaryUserIdWithFallback() throws PgpGeneralException {
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return getPublicKey().getPrimaryUserIdWithFallback();
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}
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public boolean isRevoked() throws PgpGeneralException {
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// Is the master key revoked?
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return getRing().getPublicKey().isRevoked();
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}
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public boolean canCertify() throws PgpGeneralException {
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return getRing().getPublicKey().isEncryptionKey();
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}
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public long getEncryptId() throws PgpGeneralException {
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for(CanonicalizedPublicKey key : publicKeyIterator()) {
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if(key.canEncrypt()) {
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return key.getKeyId();
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}
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}
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throw new PgpGeneralException("No valid encryption key found!");
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}
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public boolean hasEncrypt() throws PgpGeneralException {
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try {
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getEncryptId();
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return true;
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} catch(PgpGeneralException e) {
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return false;
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}
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}
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public long getSignId() throws PgpGeneralException {
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for(CanonicalizedPublicKey key : publicKeyIterator()) {
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if(key.canSign()) {
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return key.getKeyId();
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}
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}
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throw new PgpGeneralException("No valid signing key found!");
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}
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public boolean hasSign() throws PgpGeneralException {
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try {
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getSignId();
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return true;
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} catch (PgpGeneralException e) {
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return false;
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}
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}
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public void encode(OutputStream stream) throws IOException {
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getRing().encode(stream);
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}
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/** Returns an UncachedKeyRing which wraps the same data as this ring. This method should
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* only be used */
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public UncachedKeyRing getUncachedKeyRing() {
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return new UncachedKeyRing(getRing());
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}
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abstract PGPKeyRing getRing();
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abstract public IterableIterator<CanonicalizedPublicKey> publicKeyIterator();
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public CanonicalizedPublicKey getPublicKey() {
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return new CanonicalizedPublicKey(this, getRing().getPublicKey());
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}
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public CanonicalizedPublicKey getPublicKey(long id) {
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return new CanonicalizedPublicKey(this, getRing().getPublicKey(id));
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}
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public byte[] getEncoded() throws IOException {
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return getRing().getEncoded();
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}
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}
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