107 lines
3.9 KiB
Java
107 lines
3.9 KiB
Java
/**
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*
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* Copyright 2017 Florian Schmaus, 2018 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.ox.store.abstr;
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import java.io.IOException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.util.HashMap;
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import java.util.Map;
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import org.jivesoftware.smackx.ox.store.definition.OpenPgpKeyStore;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
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import org.jxmpp.jid.BareJid;
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import org.pgpainless.pgpainless.PGPainless;
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import org.pgpainless.pgpainless.key.OpenPgpV4Fingerprint;
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import org.pgpainless.pgpainless.key.generation.type.length.RsaLength;
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public abstract class AbstractOpenPgpKeyStore implements OpenPgpKeyStore {
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public AbstractOpenPgpKeyStore() {
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}
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protected Map<BareJid, PGPPublicKeyRingCollection> publicKeys = new HashMap<>();
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protected Map<BareJid, PGPSecretKeyRingCollection> secretKeys = new HashMap<>();
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protected abstract PGPPublicKeyRingCollection readPublicKeysOf(BareJid owner) throws IOException, PGPException;
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protected abstract void writePublicKeysOf(BareJid owner, PGPPublicKeyRingCollection publicKeys) throws IOException;
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protected abstract PGPSecretKeyRingCollection readSecretKeysOf(BareJid owner) throws IOException, PGPException;
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protected abstract void writeSecretKeysOf(BareJid owner, PGPSecretKeyRingCollection secretKeys) throws IOException;
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@Override
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public PGPPublicKeyRingCollection getPublicKeysOf(BareJid owner) throws IOException, PGPException {
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PGPPublicKeyRingCollection keys = publicKeys.get(owner);
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if (keys == null) {
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keys = readPublicKeysOf(owner);
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if (keys != null) {
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publicKeys.put(owner, keys);
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}
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}
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return keys;
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}
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@Override
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public PGPSecretKeyRingCollection getSecretKeysOf(BareJid owner) throws IOException, PGPException {
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PGPSecretKeyRingCollection keys = secretKeys.get(owner);
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if (keys == null) {
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keys = readSecretKeysOf(owner);
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if (keys != null) {
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secretKeys.put(owner, keys);
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}
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}
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return keys;
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}
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@Override
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public PGPPublicKeyRing getPublicKeyRing(BareJid owner, OpenPgpV4Fingerprint fingerprint) throws IOException, PGPException {
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PGPPublicKeyRingCollection publicKeyRings = getPublicKeysOf(owner);
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if (publicKeyRings != null) {
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return publicKeyRings.getPublicKeyRing(fingerprint.getKeyId());
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}
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return null;
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}
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@Override
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public PGPSecretKeyRing getSecretKeyRing(BareJid owner, OpenPgpV4Fingerprint fingerprint) throws IOException, PGPException {
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PGPSecretKeyRingCollection secretKeyRings = getSecretKeysOf(owner);
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if (secretKeyRings != null) {
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return secretKeyRings.getSecretKeyRing(fingerprint.getKeyId());
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}
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return null;
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}
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@Override
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public PGPSecretKeyRing generateKeyRing(BareJid owner)
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throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
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return PGPainless.generateKeyRing().simpleRsaKeyRing("xmpp:" + owner.toString(), RsaLength._4096);
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}
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}
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