144 lines
5.2 KiB
Java
144 lines
5.2 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.v2.store.filebased;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.text.ParseException;
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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 java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
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import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
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import org.jivesoftware.smackx.ox.util.Util;
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import org.jivesoftware.smackx.ox.v2.store.AbstractOpenPgpMetadataStore;
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import org.jxmpp.jid.BareJid;
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import org.jxmpp.util.XmppDateTime;
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public class FileBasedOpenPgpMetadataStore extends AbstractOpenPgpMetadataStore {
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public static final String ANNOUNCED = "announced.list";
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public static final String RETRIEVED = "retrieved.list";
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private static final Logger LOGGER = Logger.getLogger(FileBasedOpenPgpMetadataStore.class.getName());
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private final File basePath;
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public FileBasedOpenPgpMetadataStore(File basePath) {
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this.basePath = basePath;
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}
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@Override
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public Map<OpenPgpV4Fingerprint, Date> readAnnouncedFingerprintsOf(BareJid contact) throws IOException {
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return readFingerprintsAndDates(getAnnouncedFingerprintsPath(contact));
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}
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@Override
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public void writeAnnouncedFingerprintsOf(BareJid contact, PublicKeysListElement metadata)
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throws IOException {
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File destination = getAnnouncedFingerprintsPath(contact);
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Map<OpenPgpV4Fingerprint, Date> fingerprintDateMap = new HashMap<>();
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for (OpenPgpV4Fingerprint fingerprint : metadata.getMetadata().keySet()) {
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fingerprintDateMap.put(fingerprint, metadata.getMetadata().get(fingerprint).getDate());
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}
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writeFingerprintsAndDates(fingerprintDateMap, destination);
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}
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private Map<OpenPgpV4Fingerprint, Date> readFingerprintsAndDates(File source) throws IOException {
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BufferedReader reader = null;
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try {
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reader = Files.newBufferedReader(source.toPath(), Util.UTF8);
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Map<OpenPgpV4Fingerprint, Date> fingerprintDateMap = new HashMap<>();
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String line; int lineNr = 0;
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while ((line = reader.readLine()) != null) {
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lineNr++;
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line = line.trim();
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String[] split = line.split(" ");
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if (split.length != 2) {
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LOGGER.log(Level.FINE, "Skipping invalid line " + lineNr + " in file " + source.getAbsolutePath());
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continue;
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}
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try {
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OpenPgpV4Fingerprint fingerprint = new OpenPgpV4Fingerprint(split[0]);
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Date date = XmppDateTime.parseXEP0082Date(split[1]);
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fingerprintDateMap.put(fingerprint, date);
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} catch (ParseException e) {
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LOGGER.log(Level.WARNING, "Error parsing fingerprint/date touple in line " + lineNr +
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" of file " + source.getAbsolutePath(), e);
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}
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}
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reader.close();
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return fingerprintDateMap;
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} catch (IOException e) {
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if (reader != null) {
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try {
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reader.close();
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} catch (IOException ignored) {
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// Don't care
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}
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}
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throw e;
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}
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}
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private void writeFingerprintsAndDates(Map<OpenPgpV4Fingerprint, Date> data, File destination)
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throws IOException {
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BufferedWriter writer = null;
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try {
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writer = Files.newBufferedWriter(destination.toPath(), Util.UTF8);
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for (OpenPgpV4Fingerprint fingerprint : data.keySet()) {
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Date date = data.get(fingerprint);
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String line = fingerprint.toString() + " " +
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(date != null ? XmppDateTime.formatXEP0082Date(date) : XmppDateTime.formatXEP0082Date(new Date()));
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writer.write(line);
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}
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writer.close();
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} catch (IOException e) {
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if (writer != null) {
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try {
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writer.close();
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} catch (IOException ignored) {
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// Don't care
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}
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}
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throw e;
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}
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}
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private File getAnnouncedFingerprintsPath(BareJid contact) {
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return new File(FileBasedOpenPgpStore.getContactsPath(basePath, contact), ANNOUNCED);
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}
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private File getRetrievedFingerprintsPath(BareJid contact) {
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return new File(FileBasedOpenPgpStore.getContactsPath(basePath, contact), RETRIEVED);
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}
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}
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