diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeScanActivity.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeScanActivity.java | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeScanActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeScanActivity.java new file mode 100644 index 000000000..ba1d03636 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeScanActivity.java @@ -0,0 +1,221 @@ +/* + * 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.app.ProgressDialog; +import android.content.Intent; +import android.net.Uri; +import android.os.Bundle; +import android.os.Message; +import android.os.Messenger; +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.api.OpenKeychainIntents; +import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry; +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.SingletonResult; +import org.sufficientlysecure.keychain.service.KeychainIntentService; +import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +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 QrCodeScanActivity extends FragmentActivity { + + public static final String ACTION_QR_CODE_API = OpenKeychainIntents.IMPORT_KEY_FROM_QR_CODE; + public static final String ACTION_SCAN_WITH_RESULT = Constants.INTENT_PREFIX + "SCAN_QR_CODE_WITH_RESULT"; + + boolean returnResult; + + @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 + + returnResult = false; + startCertify(dataUri); + } else if (ACTION_SCAN_WITH_RESULT.equals(action)) { + // scan using xzing's Barcode Scanner and return result parcel in OpenKeychain + + returnResult = true; + new IntentIntegrator(this).initiateScan(); + } else if (ACTION_QR_CODE_API.equals(action)) { + // scan using xzing's Barcode Scanner from outside OpenKeychain + + returnResult = false; + new IntentIntegrator(this).initiateScan(); + } else { + Log.e(Constants.TAG, "No valid scheme or action given!"); + finish(); + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + if (requestCode == IntentIntegratorSupportV4.REQUEST_CODE) { + IntentResult scanResult = IntentIntegratorSupportV4.parseActivityResult(requestCode, + resultCode, data); + if (scanResult != null && scanResult.getFormatName() != null) { + String scannedContent = scanResult.getContents(); + Log.d(Constants.TAG, "scannedContent: " + scannedContent); + + startCertify(Uri.parse(scanResult.getContents())); + } else { + Log.e(Constants.TAG, "scanResult or formatName null! Should not happen!"); + finish(); + } + + return; + } + // if a result has been returned, return it down to other activity + if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) { + returnResult(data); + } else { + super.onActivityResult(requestCode, resultCode, data); + } + } + + public void returnResult(Intent data) { + if (returnResult) { + setResult(RESULT_OK, data); + finish(); + } else { + // 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(); + } + } + + public void startCertify(Uri dataUri) { + // example: openpgp4fpr:73EE2314F65FA92EC2390D3A718C070100012282 + if (dataUri.getScheme().equals(Constants.FINGERPRINT_SCHEME)) { + String fingerprint = dataUri.getEncodedSchemeSpecificPart().toLowerCase(Locale.ENGLISH); + importKeys(fingerprint); + } else { + SingletonResult result = new SingletonResult( + SingletonResult.RESULT_ERROR, OperationResult.LogType.MSG_WRONG_QR_CODE); + Intent intent = new Intent(); + intent.putExtra(SingletonResult.EXTRA_RESULT, result); + returnResult(intent); + } + } + + public void importKeys(String fingerprint) { + // Message is received after importing is done in KeychainIntentService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler( + this, + getString(R.string.progress_importing), + ProgressDialog.STYLE_HORIZONTAL, + true) { + public void handleMessage(Message message) { + // handle messages by standard KeychainIntentServiceHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + // get returned data bundle + Bundle returnData = message.getData(); + if (returnData == null) { + finish(); + return; + } + final ImportKeyResult result = + returnData.getParcelable(OperationResult.EXTRA_RESULT); + if (result == null) { + Log.e(Constants.TAG, "result == null"); + finish(); + return; + } + + if ( ! result.success()) { + // only return if no success... + Intent data = new Intent(); + data.putExtras(returnData); + returnResult(data); + return; + } + + Intent certifyIntent = new Intent(QrCodeScanActivity.this, MultiCertifyKeyActivity.class); + certifyIntent.putExtra(MultiCertifyKeyActivity.EXTRA_RESULT, result); + certifyIntent.putExtra(MultiCertifyKeyActivity.EXTRA_KEY_IDS, result.getImportedMasterKeyIds()); + startActivityForResult(certifyIntent, 0); + } + } + }; + + // search config + Preferences prefs = Preferences.getPreferences(this); + Preferences.CloudSearchPrefs cloudPrefs = new Preferences.CloudSearchPrefs(true, true, prefs.getPreferredKeyserver()); + + // Send all information needed to service to query keys in other thread + Intent intent = new Intent(this, KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_IMPORT_KEYRING); + + // fill values for this action + Bundle data = new Bundle(); + + data.putString(KeychainIntentService.IMPORT_KEY_SERVER, cloudPrefs.keyserver); + + ParcelableKeyRing keyEntry = new ParcelableKeyRing(fingerprint, null, null); + ArrayList<ParcelableKeyRing> selectedEntries = new ArrayList<ParcelableKeyRing>(); + selectedEntries.add(keyEntry); + + data.putParcelableArrayList(KeychainIntentService.IMPORT_KEY_LIST, selectedEntries); + + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(saveHandler); + intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + // show progress dialog + saveHandler.showProgressDialog(this); + + // start service with intent + startService(intent); + } + +} |