mirror of https://github.com/M66B/FairEmail.git
122 lines
4.3 KiB
Java
122 lines
4.3 KiB
Java
/*
|
|
* Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.openintents.openpgp;
|
|
|
|
import android.os.Parcel;
|
|
import android.os.Parcelable;
|
|
|
|
public class OpenPgpDecryptionResult implements Parcelable {
|
|
/**
|
|
* Since there might be a case where new versions of the client using the library getting
|
|
* old versions of the protocol (and thus old versions of this class), we need a versioning
|
|
* system for the parcels sent between the clients and the providers.
|
|
*/
|
|
public static final int PARCELABLE_VERSION = 2;
|
|
|
|
// content not encrypted
|
|
public static final int RESULT_NOT_ENCRYPTED = -1;
|
|
// insecure!
|
|
public static final int RESULT_INSECURE = 0;
|
|
// encrypted
|
|
public static final int RESULT_ENCRYPTED = 1;
|
|
|
|
public final int result;
|
|
public final byte[] sessionKey;
|
|
public final byte[] decryptedSessionKey;
|
|
|
|
public int getResult() {
|
|
return result;
|
|
}
|
|
|
|
public OpenPgpDecryptionResult(int result) {
|
|
this.result = result;
|
|
this.sessionKey = null;
|
|
this.decryptedSessionKey = null;
|
|
}
|
|
|
|
public OpenPgpDecryptionResult(int result, byte[] sessionKey, byte[] decryptedSessionKey) {
|
|
this.result = result;
|
|
if ((sessionKey == null) != (decryptedSessionKey == null)) {
|
|
throw new AssertionError("sessionkey must be null iff decryptedSessionKey is null");
|
|
}
|
|
this.sessionKey = sessionKey;
|
|
this.decryptedSessionKey = decryptedSessionKey;
|
|
}
|
|
|
|
public OpenPgpDecryptionResult(OpenPgpDecryptionResult b) {
|
|
this.result = b.result;
|
|
this.sessionKey = b.sessionKey;
|
|
this.decryptedSessionKey = b.decryptedSessionKey;
|
|
}
|
|
|
|
public int describeContents() {
|
|
return 0;
|
|
}
|
|
|
|
public void writeToParcel(Parcel dest, int flags) {
|
|
/**
|
|
* NOTE: When adding fields in the process of updating this API, make sure to bump
|
|
* {@link #PARCELABLE_VERSION}.
|
|
*/
|
|
dest.writeInt(PARCELABLE_VERSION);
|
|
// Inject a placeholder that will store the parcel size from this point on
|
|
// (not including the size itself).
|
|
int sizePosition = dest.dataPosition();
|
|
dest.writeInt(0);
|
|
int startPosition = dest.dataPosition();
|
|
// version 1
|
|
dest.writeInt(result);
|
|
// version 2
|
|
dest.writeByteArray(sessionKey);
|
|
dest.writeByteArray(decryptedSessionKey);
|
|
// Go back and write the size
|
|
int parcelableSize = dest.dataPosition() - startPosition;
|
|
dest.setDataPosition(sizePosition);
|
|
dest.writeInt(parcelableSize);
|
|
dest.setDataPosition(startPosition + parcelableSize);
|
|
}
|
|
|
|
public static final Creator<OpenPgpDecryptionResult> CREATOR = new Creator<OpenPgpDecryptionResult>() {
|
|
public OpenPgpDecryptionResult createFromParcel(final Parcel source) {
|
|
int version = source.readInt(); // parcelableVersion
|
|
int parcelableSize = source.readInt();
|
|
int startPosition = source.dataPosition();
|
|
|
|
int result = source.readInt();
|
|
byte[] sessionKey = version > 1 ? source.createByteArray() : null;
|
|
byte[] decryptedSessionKey = version > 1 ? source.createByteArray() : null;
|
|
|
|
OpenPgpDecryptionResult vr = new OpenPgpDecryptionResult(result, sessionKey, decryptedSessionKey);
|
|
|
|
// skip over all fields added in future versions of this parcel
|
|
source.setDataPosition(startPosition + parcelableSize);
|
|
|
|
return vr;
|
|
}
|
|
|
|
public OpenPgpDecryptionResult[] newArray(final int size) {
|
|
return new OpenPgpDecryptionResult[size];
|
|
}
|
|
};
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "\nresult: " + result;
|
|
}
|
|
|
|
}
|