9f5581463f
added multi-threaded cloud import, restored KeychainIntentService eliminated code duplication in multi-threaded import
189 lines
7.5 KiB
Java
189 lines
7.5 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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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.sufficientlysecure.keychain.ui;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.view.View;
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import org.openintents.openpgp.util.OpenPgpApi;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.operations.results.PgpSignEncryptResult;
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import org.sufficientlysecure.keychain.operations.results.SignEncryptResult;
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import org.sufficientlysecure.keychain.pgp.SignEncryptParcel;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
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import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import java.util.Date;
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public abstract class EncryptActivity extends BaseActivity {
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public static final int REQUEST_CODE_PASSPHRASE = 0x00008001;
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public static final int REQUEST_CODE_NFC = 0x00008002;
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// For NFC data
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protected Passphrase mSigningKeyPassphrase = null;
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protected Date mNfcTimestamp = null;
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protected byte[] mNfcHash = null;
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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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setFullScreenDialogClose(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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setResult(Activity.RESULT_CANCELED);
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finish();
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}
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}, false);
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}
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protected void startPassphraseDialog(long subkeyId) {
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Intent intent = new Intent(this, PassphraseDialogActivity.class);
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intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, subkeyId);
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startActivityForResult(intent, REQUEST_CODE_PASSPHRASE);
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}
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protected void startNfcSign(long keyId, Passphrase pin, byte[] hashToSign, int hashAlgo) {
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// build PendingIntent for Yubikey NFC operations
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Intent intent = new Intent(this, NfcActivity.class);
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intent.setAction(NfcActivity.ACTION_SIGN_HASH);
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// pass params through to activity that it can be returned again later to repeat pgp operation
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intent.putExtra(NfcActivity.EXTRA_DATA, new Intent()); // not used, only relevant to OpenPgpService
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intent.putExtra(NfcActivity.EXTRA_KEY_ID, keyId);
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intent.putExtra(NfcActivity.EXTRA_PIN, pin);
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intent.putExtra(NfcActivity.EXTRA_NFC_HASH_TO_SIGN, hashToSign);
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intent.putExtra(NfcActivity.EXTRA_NFC_HASH_ALGO, hashAlgo);
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startActivityForResult(intent, REQUEST_CODE_NFC);
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch (requestCode) {
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case REQUEST_CODE_PASSPHRASE: {
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if (resultCode == RESULT_OK && data != null) {
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mSigningKeyPassphrase = data.getParcelableExtra(PassphraseDialogActivity.MESSAGE_DATA_PASSPHRASE);
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startEncrypt();
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return;
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}
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break;
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}
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case REQUEST_CODE_NFC: {
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if (resultCode == RESULT_OK && data != null) {
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mNfcHash = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_SIGNED_HASH);
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startEncrypt();
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return;
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}
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break;
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}
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default: {
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super.onActivityResult(requestCode, resultCode, data);
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break;
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}
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}
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}
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public void startEncrypt() {
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if (!inputIsValid()) {
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// Notify was created by inputIsValid.
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return;
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}
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// Send all information needed to service to edit key in other thread
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Intent intent = new Intent(this, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_SIGN_ENCRYPT);
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Bundle data = new Bundle();
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data.putParcelable(KeychainIntentService.SIGN_ENCRYPT_PARCEL, createEncryptBundle());
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after encrypting is done in KeychainIntentService
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ServiceProgressHandler serviceHandler = new ServiceProgressHandler(
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this,
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getString(R.string.progress_encrypting),
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ProgressDialog.STYLE_HORIZONTAL,
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ProgressDialogFragment.ServiceType.KEYCHAIN_INTENT) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == MessageStatus.OKAY.ordinal()) {
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SignEncryptResult result =
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message.getData().getParcelable(SignEncryptResult.EXTRA_RESULT);
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PgpSignEncryptResult pgpResult = result.getPending();
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if (pgpResult != null && pgpResult.isPending()) {
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if ((pgpResult.getResult() & PgpSignEncryptResult.RESULT_PENDING_PASSPHRASE) ==
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PgpSignEncryptResult.RESULT_PENDING_PASSPHRASE) {
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startPassphraseDialog(pgpResult.getKeyIdPassphraseNeeded());
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} else if ((pgpResult.getResult() & PgpSignEncryptResult.RESULT_PENDING_NFC) ==
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PgpSignEncryptResult.RESULT_PENDING_NFC) {
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mNfcTimestamp = pgpResult.getNfcTimestamp();
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startNfcSign(pgpResult.getNfcKeyId(), pgpResult.getNfcPassphrase(),
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pgpResult.getNfcHash(), pgpResult.getNfcAlgo());
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} else {
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throw new RuntimeException("Unhandled pending result!");
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}
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return;
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}
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if (result.success()) {
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onEncryptSuccess(result);
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} else {
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result.createNotify(EncryptActivity.this).show();
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}
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// no matter the result, reset parameters
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mSigningKeyPassphrase = null;
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mNfcHash = null;
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mNfcTimestamp = null;
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(serviceHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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serviceHandler.showProgressDialog(this);
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// start service with intent
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startService(intent);
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}
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protected abstract boolean inputIsValid();
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protected abstract void onEncryptSuccess(SignEncryptResult result);
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protected abstract SignEncryptParcel createEncryptBundle();
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}
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