60 lines
2.0 KiB
Java
60 lines
2.0 KiB
Java
/*
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* Copyright 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.pgpainless.pgpainless;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import org.bouncycastle.openpgp.PGPPublicKey;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
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public abstract class KeyFilter {
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public Set<Long> filter(Set<Long> initialIdSet, PGPPublicKeyRingCollection collection) {
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Set<PGPPublicKeyRing> rings = new HashSet<>();
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for (Iterator<PGPPublicKeyRing> i = collection.getKeyRings(); i.hasNext();) {
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rings.add(i.next());
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}
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return filter(initialIdSet, rings, false);
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}
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public Set<Long> filter(Set<Long> initialIdSet, Set<PGPPublicKeyRing> rings, boolean boolToAvoidSameMethodErasure) {
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Set<PGPPublicKey> keys = new HashSet<>();
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for (PGPPublicKeyRing ring : rings) {
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for (Iterator<PGPPublicKey> i = ring.getPublicKeys(); i.hasNext();) {
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keys.add(i.next());
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}
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}
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return filter(initialIdSet, keys);
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}
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public Set<Long> filter(Set<Long> initialIdSet, Set<PGPPublicKey> keys) {
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Set<Long> filteredIds = new HashSet<>();
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for (Long id : initialIdSet) {
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for (PGPPublicKey key : keys) {
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if (key.getKeyID() == id && filter(key)) {
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filteredIds.add(id);
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}
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}
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}
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return filteredIds;
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}
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public abstract boolean filter(PGPPublicKey key);
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}
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