mirror of
https://github.com/oxen-io/session-android.git
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b8f663b69c
1) Move all the crypto classes from securesms.crypto. 2) Move all the crypto storage from securesms.database.keys 3) Replace the old imported BC code with spongycastle.
137 lines
4.8 KiB
Java
137 lines
4.8 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms;
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import android.os.Bundle;
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import android.text.Editable;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.TextView;
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import android.widget.Toast;
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import org.thoughtcrime.securesms.crypto.InvalidPassphraseException;
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import org.whispersystems.textsecure.crypto.MasterSecret;
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import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
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import org.thoughtcrime.securesms.util.MemoryCleaner;
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import org.thoughtcrime.securesms.util.TextSecurePreferences;
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/**
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* Activity for changing a user's local encryption passphrase.
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*
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* @author Moxie Marlinspike
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*/
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public class PassphraseChangeActivity extends PassphraseActivity {
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private EditText originalPassphrase;
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private EditText newPassphrase;
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private EditText repeatPassphrase;
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private TextView originalPassphraseLabel;
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private Button okButton;
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private Button cancelButton;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.change_passphrase_activity);
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initializeResources();
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}
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private void initializeResources() {
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this.originalPassphraseLabel = (TextView) findViewById(R.id.old_passphrase_label);
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this.originalPassphrase = (EditText) findViewById(R.id.old_passphrase );
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this.newPassphrase = (EditText) findViewById(R.id.new_passphrase );
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this.repeatPassphrase = (EditText) findViewById(R.id.repeat_passphrase );
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this.okButton = (Button ) findViewById(R.id.ok_button );
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this.cancelButton = (Button ) findViewById(R.id.cancel_button );
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this.okButton.setOnClickListener(new OkButtonClickListener());
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this.cancelButton.setOnClickListener(new CancelButtonClickListener());
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if (TextSecurePreferences.isPasswordDisabled(this)) {
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this.originalPassphrase.setVisibility(View.GONE);
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this.originalPassphraseLabel.setVisibility(View.GONE);
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} else {
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this.originalPassphrase.setVisibility(View.VISIBLE);
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this.originalPassphraseLabel.setVisibility(View.VISIBLE);
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}
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}
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private void verifyAndSavePassphrases() {
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Editable originalText = this.originalPassphrase.getText();
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Editable newText = this.newPassphrase.getText();
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Editable repeatText = this.repeatPassphrase.getText();
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String original = (originalText == null ? "" : originalText.toString());
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String passphrase = (newText == null ? "" : newText.toString());
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String passphraseRepeat = (repeatText == null ? "" : repeatText.toString());
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if (TextSecurePreferences.isPasswordDisabled(this)) {
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original = MasterSecretUtil.UNENCRYPTED_PASSPHRASE;
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}
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try {
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if (!passphrase.equals(passphraseRepeat)) {
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Toast.makeText(getApplicationContext(),
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R.string.PassphraseChangeActivity_passphrases_dont_match_exclamation,
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Toast.LENGTH_SHORT).show();
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this.newPassphrase.setText("");
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this.repeatPassphrase.setText("");
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} else {
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MasterSecret masterSecret = MasterSecretUtil.changeMasterSecretPassphrase(this, original, passphrase);
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TextSecurePreferences.setPasswordDisabled(this, false);
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MemoryCleaner.clean(original);
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MemoryCleaner.clean(passphrase);
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MemoryCleaner.clean(passphraseRepeat);
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setMasterSecret(masterSecret);
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}
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} catch (InvalidPassphraseException e) {
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Toast.makeText(this, R.string.PassphraseChangeActivity_incorrect_old_passphrase_exclamation,
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Toast.LENGTH_LONG).show();
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this.originalPassphrase.setText("");
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}
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}
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private class CancelButtonClickListener implements OnClickListener {
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public void onClick(View v) {
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finish();
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}
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}
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private class OkButtonClickListener implements OnClickListener {
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public void onClick(View v) {
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verifyAndSavePassphrases();
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}
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}
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@Override
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protected void cleanup() {
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this.originalPassphrase = null;
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this.newPassphrase = null;
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this.repeatPassphrase = null;
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System.gc();
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}
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}
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