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69 lines
2.5 KiB
Java
69 lines
2.5 KiB
Java
/**
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*
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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.jivesoftware.smackx.ox.store.abstr;
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import java.io.IOException;
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import java.util.Date;
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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.OpenPgpMetadataStore;
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import org.jxmpp.jid.BareJid;
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import org.pgpainless.key.OpenPgpV4Fingerprint;
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public abstract class AbstractOpenPgpMetadataStore implements OpenPgpMetadataStore {
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private final Map<BareJid, Map<OpenPgpV4Fingerprint, Date>> announcedFingerprints = new HashMap<>();
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@Override
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public Map<OpenPgpV4Fingerprint, Date> getAnnouncedFingerprintsOf(BareJid contact) throws IOException {
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Map<OpenPgpV4Fingerprint, Date> fingerprints = announcedFingerprints.get(contact);
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if (fingerprints == null) {
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fingerprints = readAnnouncedFingerprintsOf(contact);
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announcedFingerprints.put(contact, fingerprints);
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}
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return fingerprints;
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}
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@Override
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public void setAnnouncedFingerprintsOf(BareJid contact, Map<OpenPgpV4Fingerprint, Date> data) throws IOException {
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announcedFingerprints.put(contact, data);
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writeAnnouncedFingerprintsOf(contact, data);
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}
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/**
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* Read the fingerprints and modification dates of announced keys of a user from local storage.
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*
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* @param contact contact
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* @return contacts announced key fingerprints and latest modification dates
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*
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* @throws IOException IO is dangerous
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*/
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protected abstract Map<OpenPgpV4Fingerprint, Date> readAnnouncedFingerprintsOf(BareJid contact) throws IOException;
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/**
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* Write the fingerprints and modification dates of announced keys of a user to local storage.
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*
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* @param contact contact
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* @param metadata announced key fingerprints and latest modification dates
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*
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* @throws IOException IO is dangerous
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*/
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protected abstract void writeAnnouncedFingerprintsOf(BareJid contact, Map<OpenPgpV4Fingerprint, Date> metadata) throws IOException;
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}
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