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authorMatthew Shao <me@matshao.com>2017-05-19 09:49:10 +0800
committerMatthew Shao <me@matshao.com>2017-05-19 09:50:12 +0800
commit5df0ddf358367dcd37c934798464ad91f3c7bdf8 (patch)
treeac634d40e24f489d87b6b5a4b59e53bd1809ff97 /docs/dev/addingviews.html
parent50c07034249a07f25172230b689c4c6da1b63c2d (diff)
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[web] Updates test to use the new _tflow.js.
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generated by cgit v1.2.3 (git 2.25.1) at 2026-01-25 16:48:56 +0000
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/*
 * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.ui;

import android.annotation.TargetApi;
import android.content.Intent;
import android.net.Uri;
import android.nfc.NdefMessage;
import android.nfc.NfcAdapter;
import android.os.Build;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.app.FragmentActivity;
import android.widget.Toast;

import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;

import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.intents.OpenKeychainIntents;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
import org.sufficientlysecure.keychain.operations.results.SingletonResult;
import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
import org.sufficientlysecure.keychain.util.IntentIntegratorSupportV4;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Preferences;

import java.util.ArrayList;
import java.util.Locale;

/**
 * Proxy activity (just a transparent content view) to scan QR Codes using the Barcode Scanner app
 */
public class ImportKeysProxyActivity extends FragmentActivity
        implements CryptoOperationHelper.Callback<ImportKeyringParcel, ImportKeyResult> {

    public static final String ACTION_QR_CODE_API = OpenKeychainIntents.IMPORT_KEY_FROM_QR_CODE;
    // implies activity returns scanned fingerprint as extra and does not import
    public static final String ACTION_SCAN_WITH_RESULT = Constants.INTENT_PREFIX + "SCAN_QR_CODE_WITH_RESULT";
    public static final String ACTION_SCAN_IMPORT = Constants.INTENT_PREFIX + "SCAN_QR_CODE_IMPORT";

    public static final String EXTRA_FINGERPRINT = "fingerprint";

    // for CryptoOperationHelper
    private String mKeyserver;
    private ArrayList<ParcelableKeyRing> mKeyList;
    private CryptoOperationHelper<ImportKeyringParcel, ImportKeyResult> mImportOpHelper;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // this activity itself has no content view (see manifest)

        handleActions(getIntent());
    }

    protected void handleActions(Intent intent) {
        String action = intent.getAction();
        Uri dataUri = intent.getData();
        String scheme = intent.getScheme();

        if (scheme != null && scheme.toLowerCase(Locale.ENGLISH).equals(Constants.FINGERPRINT_SCHEME)) {
            // Scanning a fingerprint directly with Barcode Scanner, thus we already have scanned

            processScannedContent(dataUri);
        } else if (ACTION_SCAN_WITH_RESULT.equals(action)
                || ACTION_SCAN_IMPORT.equals(action) || ACTION_QR_CODE_API.equals(action)) {
            new IntentIntegrator(this).setCaptureActivity(QrCodeCaptureActivity.class).initiateScan();
        } else if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction())) {
            // Check to see if the Activity started due to an Android Beam
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                handleActionNdefDiscovered(getIntent());
            } else {
                Log.e(Constants.TAG, "Android Beam not supported by Android < 4.1");
                finish();
            }
        } else {
            Log.e(Constants.TAG, "No valid scheme or action given!");
            finish();
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (mImportOpHelper != null) {
            if (!mImportOpHelper.handleActivityResult(requestCode, resultCode, data)) {
                // if a result has been returned, and it does not belong to mImportOpHelper,
                // return it down to other activity
                if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) {
                    returnResult(data);
                } else {
                    super.onActivityResult(requestCode, resultCode, data);
                    finish();
                }
            }
        }

        if (requestCode == IntentIntegratorSupportV4.REQUEST_CODE) {
            IntentResult scanResult = IntentIntegratorSupportV4.parseActivityResult(requestCode,
                    resultCode, data);

            if (scanResult == null || scanResult.getFormatName() == null) {
                Log.e(Constants.TAG, "scanResult or formatName null! Should not happen!");
                finish();
                return;
            }

            String scannedContent = scanResult.getContents();
            processScannedContent(scannedContent);

        }
    }

    private void processScannedContent(String content) {
        Uri uri = Uri.parse(content);
        processScannedContent(uri);
    }

    private void processScannedContent(Uri uri) {
        String action = getIntent().getAction();

        Log.d(Constants.TAG, "scanned: " + uri);

        // example: openpgp4fpr:73EE2314F65FA92EC2390D3A718C070100012282
        if (uri == null || uri.getScheme() == null ||
                !uri.getScheme().toLowerCase(Locale.ENGLISH).equals(Constants.FINGERPRINT_SCHEME)) {
            SingletonResult result = new SingletonResult(
                    SingletonResult.RESULT_ERROR, LogType.MSG_WRONG_QR_CODE);
            Intent intent = new Intent();
            intent.putExtra(SingletonResult.EXTRA_RESULT, result);
            returnResult(intent);
            return;
        }
        final String fingerprint = uri.getEncodedSchemeSpecificPart().toLowerCase(Locale.ENGLISH);
        if (!fingerprint.matches("[a-fA-F0-9]{40}")) {
            SingletonResult result = new SingletonResult(
                    SingletonResult.RESULT_ERROR, LogType.MSG_WRONG_QR_CODE_FP);
            Intent intent = new Intent();
            intent.putExtra(SingletonResult.EXTRA_RESULT, result);
            returnResult(intent);
            return;
        }

        if (ACTION_SCAN_WITH_RESULT.equals(action)) {
            Intent result = new Intent();
            result.putExtra(EXTRA_FINGERPRINT, fingerprint);
            setResult(RESULT_OK, result);
            finish();
        } else {
            importKeys(fingerprint);
        }

    }

    public void returnResult(Intent data) {
        String action = getIntent().getAction();

        if (ACTION_QR_CODE_API.equals(action)) {
            // display last log message but as Toast for calls from outside OpenKeychain
            OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
            String str = getString(result.getLog().getLast().mType.getMsgId());
            Toast.makeText(this, str, Toast.LENGTH_LONG).show();
            finish();
        } else {
            setResult(RESULT_OK, data);
            finish();
        }
    }

    public void importKeys(byte[] keyringData) {
        ParcelableKeyRing keyEntry = new ParcelableKeyRing(keyringData);
        ArrayList<ParcelableKeyRing> selectedEntries = new ArrayList<>();
        selectedEntries.add(keyEntry);

        startImportService(selectedEntries);
    }

    public void importKeys(String fingerprint) {
        ParcelableKeyRing keyEntry = new ParcelableKeyRing(fingerprint, null);
        ArrayList<ParcelableKeyRing> selectedEntries = new ArrayList<>();
        selectedEntries.add(keyEntry);

        startImportService(selectedEntries);
    }

    private void startImportService(ArrayList<ParcelableKeyRing> keyRings) {

        // search config
        mKeyserver = Preferences.getPreferences(this).getPreferredKeyserver();

        mKeyList = keyRings;

        mImportOpHelper = new CryptoOperationHelper<>(1, this, this, R.string.progress_importing);

        mImportOpHelper.cryptoOperation();
    }


    // CryptoOperationHelper.Callback methods

    @Override
    public ImportKeyringParcel createOperationInput() {
        return new ImportKeyringParcel(mKeyList, mKeyserver);
    }

    @Override
    public void onCryptoOperationSuccess(ImportKeyResult result) {
        Intent certifyIntent = new Intent(this, CertifyKeyActivity.class);
        certifyIntent.putExtra(CertifyKeyActivity.EXTRA_RESULT, result);
        certifyIntent.putExtra(CertifyKeyActivity.EXTRA_KEY_IDS,
                result.getImportedMasterKeyIds());
        startActivityForResult(certifyIntent, 0);
    }

    @Override
    public void onCryptoOperationCancelled() {

    }

    @Override
    public void onCryptoOperationError(ImportKeyResult result) {
        Bundle returnData = new Bundle();
        returnData.putParcelable(OperationResult.EXTRA_RESULT, result);
        Intent data = new Intent();
        data.putExtras(returnData);
        returnResult(data);
    }

    @Override
    public boolean onCryptoSetProgress(String msg, int progress, int max) {
        return false;
    }

    /**
     * NFC: Parses the NDEF Message from the intent and prints to the TextView
     */
    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
    void handleActionNdefDiscovered(Intent intent) {
        Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
        // only one message sent during the beam
        NdefMessage msg = (NdefMessage) rawMsgs[0];
        // record 0 contains the MIME type, record 1 is the AAR, if present
        final byte[] receivedKeyringBytes = msg.getRecords()[0].getPayload();

        importKeys(receivedKeyringBytes);
    }

}