mirror of https://github.com/M66B/FairEmail.git
132 lines
4.1 KiB
Java
132 lines
4.1 KiB
Java
/*
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* Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
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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.openintents.openpgp;
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import java.util.Date;
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import android.os.Parcel;
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import android.os.Parcelable;
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@SuppressWarnings("unused")
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public class AutocryptPeerUpdate implements Parcelable {
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/**
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* Since there might be a case where new versions of the client using the library getting
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* old versions of the protocol (and thus old versions of this class), we need a versioning
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* system for the parcels sent between the clients and the providers.
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*/
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private static final int PARCELABLE_VERSION = 1;
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private final byte[] keyData;
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private final Date effectiveDate;
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private final PreferEncrypt preferEncrypt;
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private AutocryptPeerUpdate(byte[] keyData, Date effectiveDate, PreferEncrypt preferEncrypt) {
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this.keyData = keyData;
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this.effectiveDate = effectiveDate;
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this.preferEncrypt = preferEncrypt;
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}
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private AutocryptPeerUpdate(Parcel source, int version) {
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this.keyData = source.createByteArray();
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this.effectiveDate = source.readInt() != 0 ? new Date(source.readLong()) : null;
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this.preferEncrypt = PreferEncrypt.values()[source.readInt()];
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}
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public static AutocryptPeerUpdate create(byte[] keyData, Date timestamp, boolean isMutual) {
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return new AutocryptPeerUpdate(keyData, timestamp, isMutual ? PreferEncrypt.MUTUAL : PreferEncrypt.NOPREFERENCE);
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}
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public byte[] getKeyData() {
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return keyData;
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}
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public boolean hasKeyData() {
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return keyData != null;
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}
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public Date getEffectiveDate() {
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return effectiveDate;
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}
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public PreferEncrypt getPreferEncrypt() {
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return preferEncrypt;
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}
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public int describeContents() {
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return 0;
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}
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public void writeToParcel(Parcel dest, int flags) {
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/**
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* NOTE: When adding fields in the process of updating this API, make sure to bump
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* {@link #PARCELABLE_VERSION}.
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*/
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dest.writeInt(PARCELABLE_VERSION);
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// Inject a placeholder that will store the parcel size from this point on
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// (not including the size itself).
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int sizePosition = dest.dataPosition();
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dest.writeInt(0);
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int startPosition = dest.dataPosition();
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// version 1
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dest.writeByteArray(keyData);
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if (effectiveDate != null) {
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dest.writeInt(1);
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dest.writeLong(effectiveDate.getTime());
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} else {
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dest.writeInt(0);
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}
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dest.writeInt(preferEncrypt.ordinal());
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// Go back and write the size
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int parcelableSize = dest.dataPosition() - startPosition;
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dest.setDataPosition(sizePosition);
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dest.writeInt(parcelableSize);
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dest.setDataPosition(startPosition + parcelableSize);
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}
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public static final Creator<AutocryptPeerUpdate> CREATOR = new Creator<AutocryptPeerUpdate>() {
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public AutocryptPeerUpdate createFromParcel(final Parcel source) {
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int version = source.readInt(); // parcelableVersion
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int parcelableSize = source.readInt();
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int startPosition = source.dataPosition();
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AutocryptPeerUpdate vr = new AutocryptPeerUpdate(source, version);
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// skip over all fields added in future versions of this parcel
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source.setDataPosition(startPosition + parcelableSize);
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return vr;
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}
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public AutocryptPeerUpdate[] newArray(final int size) {
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return new AutocryptPeerUpdate[size];
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}
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};
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public enum PreferEncrypt {
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NOPREFERENCE, MUTUAL
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}
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}
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