58 lines
1.8 KiB
Java
58 lines
1.8 KiB
Java
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package org.thoughtcrime.securesms.jobs;
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import android.content.Context;
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import org.thoughtcrime.securesms.util.ParcelUtil;
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import org.whispersystems.jobqueue.EncryptionKeys;
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import org.whispersystems.jobqueue.Job;
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import org.whispersystems.jobqueue.persistence.JavaJobSerializer;
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import org.whispersystems.jobqueue.persistence.JobSerializer;
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import org.whispersystems.libaxolotl.InvalidMessageException;
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import org.whispersystems.textsecure.crypto.MasterCipher;
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import org.whispersystems.textsecure.crypto.MasterSecret;
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import java.io.IOException;
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public class EncryptingJobSerializer implements JobSerializer {
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private final JavaJobSerializer delegate;
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public EncryptingJobSerializer(Context context) {
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this.delegate = new JavaJobSerializer(context);
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}
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@Override
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public String serialize(Job job) throws IOException {
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String plaintext = delegate.serialize(job);
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if (job.getEncryptionKeys() != null) {
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MasterSecret masterSecret = ParcelUtil.deserialize(job.getEncryptionKeys().getEncoded(),
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MasterSecret.CREATOR);
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MasterCipher masterCipher = new MasterCipher(masterSecret);
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return masterCipher.encryptBody(plaintext);
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} else {
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return plaintext;
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}
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}
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@Override
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public Job deserialize(EncryptionKeys keys, boolean encrypted, String serialized) throws IOException {
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try {
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String plaintext;
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if (encrypted) {
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MasterSecret masterSecret = ParcelUtil.deserialize(keys.getEncoded(), MasterSecret.CREATOR);
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MasterCipher masterCipher = new MasterCipher(masterSecret);
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plaintext = masterCipher.decryptBody(serialized);
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} else {
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plaintext = serialized;
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}
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return delegate.deserialize(keys, encrypted, plaintext);
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} catch (InvalidMessageException e) {
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throw new IOException(e);
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}
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}
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}
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