Merge pull request #2355 from open-keychain/export-public
Allow export of public keys without encryption
This commit is contained in:
commit
8e73076819
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@ -538,6 +538,7 @@
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<!-- VIEW with mimeType: Allows to import keys (attached to emails) from email apps -->
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<intent-filter android:label="@string/intent_import_key">
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<action android:name="android.intent.action.VIEW" />
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<action android:name="android.intent.action.SEND" />
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<category android:name="android.intent.category.BROWSABLE" />
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<category android:name="android.intent.category.DEFAULT" />
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@ -554,6 +555,7 @@
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<!-- VIEW with file endings: *.gpg (e.g. to import from OI File Manager) -->
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<intent-filter android:label="@string/intent_import_key">
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<action android:name="android.intent.action.VIEW" />
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<action android:name="android.intent.action.SEND" />
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<category android:name="android.intent.category.DEFAULT" />
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<category android:name="android.intent.category.BROWSABLE" />
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@ -18,67 +18,79 @@
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package org.sufficientlysecure.keychain.ui;
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import java.io.File;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.Locale;
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import android.app.Activity;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentActivity;
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import android.util.Pair;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.PopupMenu;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.model.SubKey;
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import org.sufficientlysecure.keychain.model.SubKey.UnifiedKeyInfo;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey.SecretKeyType;
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import org.sufficientlysecure.keychain.daos.KeyRepository;
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import org.sufficientlysecure.keychain.daos.KeyRepository.NotFoundException;
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import org.sufficientlysecure.keychain.operations.results.ExportResult;
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import org.sufficientlysecure.keychain.provider.TemporaryFileProvider;
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import org.sufficientlysecure.keychain.service.BackupKeyringParcel;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationFragment;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.ui.util.Notify.Style;
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import org.sufficientlysecure.keychain.util.FileHelper;
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public class BackupRestoreFragment extends Fragment {
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public class BackupRestoreFragment extends CryptoOperationFragment<BackupKeyringParcel, ExportResult> {
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public static final int REQUEST_SAVE_FILE = 1;
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// masterKeyId & subKeyId for multi-key export
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private Iterator<Pair<Long, Long>> mIdsForRepeatAskPassphrase;
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private static final int REQUEST_REPEAT_PASSPHRASE = 0x00007002;
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private static final int REQUEST_CODE_INPUT = 0x00007003;
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private View backupPublicKeys;
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private Uri cachedBackupUri;
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private boolean shareNotSave;
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.backup_restore_fragment, container, false);
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View backupAll = view.findViewById(R.id.backup_all);
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View backupPublicKeys = view.findViewById(R.id.backup_public_keys);
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backupPublicKeys = view.findViewById(R.id.backup_public_keys);
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final View restore = view.findViewById(R.id.restore);
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backupAll.setOnClickListener(v -> exportToFile(true));
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backupPublicKeys.setOnClickListener(v -> exportToFile(false));
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backupAll.setOnClickListener(v -> backupAllKeys());
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backupPublicKeys.setOnClickListener(v -> exportContactKeys());
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restore.setOnClickListener(v -> restore());
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return view;
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}
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private void exportToFile(boolean includeSecretKeys) {
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private void backupAllKeys() {
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FragmentActivity activity = getActivity();
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if (activity == null) {
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return;
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}
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if (!includeSecretKeys) {
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startBackup(false);
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return;
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}
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KeyRepository keyRepository = KeyRepository.create(requireContext());
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// This can probably be optimized quite a bit.
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@ -156,6 +168,85 @@ public class BackupRestoreFragment extends Fragment {
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}.execute();
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}
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private void exportContactKeys() {
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FragmentActivity activity = getActivity();
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if (activity == null) {
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return;
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}
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PopupMenu popupMenu = new PopupMenu(getContext(), backupPublicKeys);
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popupMenu.inflate(R.menu.export_public);
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popupMenu.setOnMenuItemClickListener(item -> {
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switch (item.getItemId()) {
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case R.id.menu_export_file:
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shareNotSave = false;
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exportContactKeysToFileOrShare();
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break;
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case R.id.menu_export_share:
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shareNotSave = true;
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exportContactKeysToFileOrShare();
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break;
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}
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return false;
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});
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popupMenu.show();
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}
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private void exportContactKeysToFileOrShare() {
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String date = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()).format(new Date());
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String filename =
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Constants.FILE_ENCRYPTED_BACKUP_PREFIX + date + Constants.FILE_EXTENSION_ENCRYPTED_BACKUP_PUBLIC;
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if (cachedBackupUri == null) {
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cachedBackupUri = TemporaryFileProvider.createFile(getContext(), filename,
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Constants.MIME_TYPE_ENCRYPTED_ALTERNATE);
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cryptoOperation(CryptoInputParcel.createCryptoInputParcel());
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return;
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}
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if (shareNotSave) {
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Intent intent = new Intent(Intent.ACTION_SEND);
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intent.setType(Constants.MIME_TYPE_KEYS);
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intent.putExtra(Intent.EXTRA_STREAM, cachedBackupUri);
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startActivity(intent);
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} else {
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saveFile(filename, false);
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}
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}
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private void saveFile(final String filename, boolean overwrite) {
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FragmentActivity activity = getActivity();
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if (activity == null) {
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return;
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}
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// for kitkat and above, we have the document api
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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FileHelper.saveDocument(this, filename, Constants.MIME_TYPE_ENCRYPTED_ALTERNATE, REQUEST_SAVE_FILE);
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return;
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}
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if (!Constants.Path.APP_DIR.mkdirs()) {
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Notify.create(activity, R.string.snack_backup_error_saving, Style.ERROR).show();
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return;
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}
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File file = new File(Constants.Path.APP_DIR, filename);
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if (!overwrite && file.exists()) {
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Notify.create(activity, R.string.snack_backup_exists, Style.WARN, () -> saveFile(filename, true), R.string.snack_btn_overwrite).show();
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return;
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}
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try {
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FileHelper.copyUriData(activity, cachedBackupUri, Uri.fromFile(file));
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Notify.create(activity, R.string.snack_backup_saved_dir, Style.OK).show();
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} catch (IOException e) {
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Notify.create(activity, R.string.snack_backup_error_saving, Style.ERROR).show();
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}
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}
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private void startPassphraseActivity() {
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Activity activity = getActivity();
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if (activity == null) {
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@ -208,12 +299,44 @@ public class BackupRestoreFragment extends Fragment {
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break;
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}
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case REQUEST_SAVE_FILE: {
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FragmentActivity activity = getActivity();
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if (resultCode != Activity.RESULT_OK || activity == null || data == null) {
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return;
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}
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try {
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Uri outputUri = data.getData();
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FileHelper.copyUriData(activity, cachedBackupUri, outputUri);
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Notify.create(activity, R.string.snack_backup_saved, Style.OK).show();
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} catch (IOException e) {
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Notify.create(activity, R.string.snack_backup_error_saving, Style.ERROR).show();
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}
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}
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default: {
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super.onActivityResult(requestCode, resultCode, data);
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}
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}
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}
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@Nullable
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@Override
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public BackupKeyringParcel createOperationInput() {
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return BackupKeyringParcel
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.create(null, false, false, true, cachedBackupUri);
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}
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@Override
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public void onCryptoOperationSuccess(ExportResult result) {
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exportContactKeysToFileOrShare();
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}
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@Override
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public void onCryptoOperationError(ExportResult result) {
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result.createNotify(getActivity()).show();
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cachedBackupUri = null;
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}
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private void startBackup(boolean exportSecret) {
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Intent intent = new Intent(getActivity(), BackupActivity.class);
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intent.putExtra(BackupActivity.EXTRA_SECRET, exportSecret);
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@ -142,6 +142,8 @@ public class ImportKeysActivity extends BaseActivity implements ImportKeysListen
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// delegate action to ACTION_IMPORT_KEY
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action = ACTION_IMPORT_KEY;
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}
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} else if (Intent.ACTION_SEND.equals(action)) {
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action = ACTION_IMPORT_KEY;
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} else if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action) && Constants.FINGERPRINT_SCHEME.equalsIgnoreCase(scheme)) {
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action = ACTION_IMPORT_KEY_FROM_KEYSERVER;
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extras.putString(EXTRA_FINGERPRINT, dataUri.getSchemeSpecificPart());
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@ -162,6 +164,8 @@ public class ImportKeysActivity extends BaseActivity implements ImportKeysListen
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// action: directly load data
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startListFragment(importData, null, null, null);
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} else if (extras.containsKey(Intent.EXTRA_STREAM)) {
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startListFragment(null, extras.getParcelable(Intent.EXTRA_STREAM), null, null);
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} else {
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startTopFileFragment();
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startListFragment(null, null, null, null);
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@ -7,4 +7,6 @@
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android:minHeight="56dp"
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android:paddingLeft="16dp"
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android:paddingRight="16dp"
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android:textAppearance="?textAppearanceListItemSmall" />
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android:textAppearance="?textAppearanceListItemSmall"
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android:background="?colorCardViewBackground"
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/>
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12
OpenKeychain/src/main/res/menu/export_public.xml
Normal file
12
OpenKeychain/src/main/res/menu/export_public.xml
Normal file
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@ -0,0 +1,12 @@
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<?xml version="1.0" encoding="utf-8"?>
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<menu xmlns:android="http://schemas.android.com/apk/res/android">
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<item
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android:id="@+id/menu_export_file"
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android:title="To file"
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/>
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<item
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android:id="@+id/menu_export_share"
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android:title="Share"
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/>
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</menu>
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@ -1497,8 +1497,8 @@
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<string name="first_time_blank_security_token_yes">"Use this Security Token"</string>
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<string name="backup_text">"Backups that include your own keys must never be shared with other people!"</string>
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<string name="backup_all">"All keys + your own keys"</string>
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<string name="backup_public_keys">"All keys"</string>
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<string name="backup_all">"Full backup (encrypted)"</string>
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<string name="backup_public_keys">"Export contact keys only"</string>
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<string name="backup_section">"Backup"</string>
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<string name="restore_section">"Restore"</string>
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