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Extract key sharing methods from ViewKeyAdvShareFragment

This commit is contained in:
Christian Hagau 2018-08-02 00:00:00 +00:00
parent 83f5f557f0
commit d1c64e3159
2 changed files with 158 additions and 108 deletions
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116
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvShareFragment.java
View File

@ -18,12 +18,6 @@
package org.sufficientlysecure.keychain.ui;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.security.NoSuchAlgorithmException;
import android.app.Activity;
import android.app.ActivityOptions;
import android.arch.lifecycle.LiveData;
@ -38,7 +32,6 @@ import android.graphics.PorterDuff;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
@ -50,23 +43,17 @@ import android.view.animation.AlphaAnimation;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.livedata.GenericLiveData;
import org.sufficientlysecure.keychain.model.SubKey.UnifiedKeyInfo;
import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKey;
import org.sufficientlysecure.keychain.pgp.SshPublicKey;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.daos.KeyRepository;
import org.sufficientlysecure.keychain.provider.TemporaryFileProvider;
import org.sufficientlysecure.keychain.ui.ViewKeyAdvActivity.ViewKeyAdvViewModel;
import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.ui.util.Notify.Style;
import org.sufficientlysecure.keychain.ui.util.QrCodeUtils;
import timber.log.Timber;
import org.sufficientlysecure.keychain.util.ShareKeyHelper;
public class ViewKeyAdvShareFragment extends Fragment {
private ImageView mQrCode;
@ -121,12 +108,15 @@ public class ViewKeyAdvShareFragment extends Fragment {
vFingerprintShareButton.setOnClickListener(v -> shareFingerprint(false));
vFingerprintClipboardButton.setOnClickListener(v -> shareFingerprint(true));
vKeyShareButton.setOnClickListener(v -> shareKey(false, false));
vKeyClipboardButton.setOnClickListener(v -> shareKey(true, false));
vKeyShareButton.setOnClickListener(v -> ShareKeyHelper.shareKey(getActivity(), unifiedKeyInfo));
vKeyClipboardButton.setOnClickListener(v -> ShareKeyHelper.shareKeyToClipboard(getActivity(), unifiedKeyInfo));
vKeySafeSlingerButton.setOnClickListener(v -> startSafeSlinger());
vKeySshShareButton.setOnClickListener(v -> shareKey(false, true));
vKeySshClipboardButton.setOnClickListener(v -> shareKey(true, true));
vKeySshShareButton.setOnClickListener(v -> ShareKeyHelper.shareSshKey(getActivity(), unifiedKeyInfo));
vKeySshClipboardButton.setOnClickListener(v -> ShareKeyHelper.shareSshKeyToClipboard(getActivity(), unifiedKeyInfo));
vKeyUploadButton.setOnClickListener(v -> uploadToKeyserver());
return view;
@ -138,96 +128,6 @@ public class ViewKeyAdvShareFragment extends Fragment {
startActivityForResult(safeSlingerIntent, 0);
}
private String getShareKeyContent(boolean asSshKey)
throws KeyRepository.NotFoundException, IOException, PgpGeneralException, NoSuchAlgorithmException {
KeyRepository keyRepository = KeyRepository.create(requireContext());
String content;
if (asSshKey) {
long authSubKeyId = unifiedKeyInfo.has_auth_key_int();
CanonicalizedPublicKey publicKey = keyRepository.getCanonicalizedPublicKeyRing(unifiedKeyInfo.master_key_id())
.getPublicKey(authSubKeyId);
SshPublicKey sshPublicKey = new SshPublicKey(publicKey);
content = sshPublicKey.getEncodedKey();
} else {
content = keyRepository.getPublicKeyRingAsArmoredString(unifiedKeyInfo.master_key_id());
}
return content;
}
private void shareKey(boolean toClipboard, boolean asSshKey) {
Activity activity = getActivity();
if (activity == null || unifiedKeyInfo == null) {
return;
}
if (asSshKey && !unifiedKeyInfo.has_auth_key()) {
Notify.create(activity, R.string.authentication_subkey_not_found, Style.ERROR).show();
return;
}
try {
String content = getShareKeyContent(asSshKey);
if (toClipboard) {
ClipboardManager clipMan = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
if (clipMan == null) {
Notify.create(activity, R.string.error_clipboard_copy, Style.ERROR).show();
return;
}
ClipData clip = ClipData.newPlainText(Constants.CLIPBOARD_LABEL, content);
clipMan.setPrimaryClip(clip);
Notify.create(activity, R.string.key_copied_to_clipboard, Notify.Style.OK).show();
return;
}
// let user choose application
Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.setType(Constants.MIME_TYPE_KEYS);
// NOTE: Don't use Intent.EXTRA_TEXT to send the key
// better send it via a Uri!
// example: Bluetooth Share will convert text/plain sent via Intent.EXTRA_TEXT to HTML
try {
TemporaryFileProvider shareFileProv = new TemporaryFileProvider();
String filename;
if (unifiedKeyInfo.name() != null) {
filename = unifiedKeyInfo.name();
} else {
filename = KeyFormattingUtils.convertFingerprintToHex(unifiedKeyInfo.fingerprint());
}
Uri contentUri = TemporaryFileProvider.createFile(activity, filename + Constants.FILE_EXTENSION_ASC);
BufferedWriter contentWriter = new BufferedWriter(new OutputStreamWriter(
new ParcelFileDescriptor.AutoCloseOutputStream(
shareFileProv.openFile(contentUri, "w"))));
contentWriter.write(content);
contentWriter.close();
sendIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
} catch (FileNotFoundException e) {
Timber.e(e, "Error creating temporary key share file!");
// no need for a snackbar because one sharing option doesn't work
// Notify.create(getActivity(), R.string.error_temp_file, Notify.Style.ERROR).show();
}
String title = getString(R.string.title_share_key);
Intent shareChooser = Intent.createChooser(sendIntent, title);
startActivity(shareChooser);
} catch (PgpGeneralException | IOException | NoSuchAlgorithmException e) {
Timber.e(e, "error processing key!");
Notify.create(activity, R.string.error_key_processing, Notify.Style.ERROR).show();
} catch (KeyRepository.NotFoundException e) {
Timber.e(e, "key not found!");
Notify.create(activity, R.string.error_key_not_found, Notify.Style.ERROR).show();
}
}
private void shareFingerprint(boolean toClipboard) {
Activity activity = getActivity();
if (activity == null || unifiedKeyInfo == null) {

150
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/ShareKeyHelper.java Normal file
View File

@ -0,0 +1,150 @@
/*
* Copyright (C) 2017 Schürmann & Breitmoser GbR
*
* 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.util;
import android.app.Activity;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.daos.KeyRepository;
import org.sufficientlysecure.keychain.model.SubKey.UnifiedKeyInfo;
import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKey;
import org.sufficientlysecure.keychain.pgp.SshPublicKey;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.provider.TemporaryFileProvider;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.Notify;
import timber.log.Timber;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.security.NoSuchAlgorithmException;
public class ShareKeyHelper {
private static String getShareKeyContent(Activity activity, UnifiedKeyInfo unifiedKeyInfo, boolean asSshKey)
throws KeyRepository.NotFoundException, IOException, PgpGeneralException, NoSuchAlgorithmException {
KeyRepository keyRepository = KeyRepository.create(activity);
String content;
if (asSshKey) {
long authSubKeyId = unifiedKeyInfo.has_auth_key_int();
CanonicalizedPublicKey publicKey = keyRepository.getCanonicalizedPublicKeyRing(unifiedKeyInfo.master_key_id())
.getPublicKey(authSubKeyId);
SshPublicKey sshPublicKey = new SshPublicKey(publicKey);
content = sshPublicKey.getEncodedKey();
} else {
content = keyRepository.getPublicKeyRingAsArmoredString(unifiedKeyInfo.master_key_id());
}
return content;
}
private static void shareKey(Activity activity, UnifiedKeyInfo unifiedKeyInfo, boolean toClipboard, boolean asSshKey) {
if (activity == null || unifiedKeyInfo == null) {
return;
}
if (asSshKey && !unifiedKeyInfo.has_auth_key()) {
Notify.create(activity, R.string.authentication_subkey_not_found, Notify.Style.ERROR).show();
return;
}
try {
String content = getShareKeyContent(activity, unifiedKeyInfo, asSshKey);
if (toClipboard) {
ClipboardManager clipMan = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
if (clipMan == null) {
Notify.create(activity, R.string.error_clipboard_copy, Notify.Style.ERROR).show();
return;
}
ClipData clip = ClipData.newPlainText(Constants.CLIPBOARD_LABEL, content);
clipMan.setPrimaryClip(clip);
Notify.create(activity, R.string.key_copied_to_clipboard, Notify.Style.OK).show();
return;
}
// let user choose application
Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.setType(Constants.MIME_TYPE_KEYS);
// NOTE: Don't use Intent.EXTRA_TEXT to send the key
// better send it via a Uri!
// example: Bluetooth Share will convert text/plain sent via Intent.EXTRA_TEXT to HTML
try {
TemporaryFileProvider shareFileProv = new TemporaryFileProvider();
String filename;
if (unifiedKeyInfo.name() != null) {
filename = unifiedKeyInfo.name();
} else {
filename = KeyFormattingUtils.convertFingerprintToHex(unifiedKeyInfo.fingerprint());
}
Uri contentUri = TemporaryFileProvider.createFile(activity, filename + Constants.FILE_EXTENSION_ASC);
BufferedWriter contentWriter = new BufferedWriter(new OutputStreamWriter(
new ParcelFileDescriptor.AutoCloseOutputStream(
shareFileProv.openFile(contentUri, "w"))));
contentWriter.write(content);
contentWriter.close();
sendIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
} catch (FileNotFoundException e) {
Timber.e(e, "Error creating temporary key share file!");
// no need for a snackbar because one sharing option doesn't work
// Notify.create(getActivity(), R.string.error_temp_file, Notify.Style.ERROR).show();
}
String title = activity.getString(R.string.title_share_key);
Intent shareChooser = Intent.createChooser(sendIntent, title);
activity.startActivity(shareChooser);
} catch (PgpGeneralException | IOException | NoSuchAlgorithmException e) {
Timber.e(e, "error processing key!");
Notify.create(activity, R.string.error_key_processing, Notify.Style.ERROR).show();
} catch (KeyRepository.NotFoundException e) {
Timber.e(e, "key not found!");
Notify.create(activity, R.string.error_key_not_found, Notify.Style.ERROR).show();
}
}
public static void shareKeyToClipboard(Activity activity, UnifiedKeyInfo unifiedKeyInfo) {
shareKey(activity, unifiedKeyInfo, true, false);
}
public static void shareKey(Activity activity, UnifiedKeyInfo unifiedKeyInfo) {
shareKey(activity, unifiedKeyInfo, false, false);
}
public static void shareSshKey(Activity activity, UnifiedKeyInfo unifiedKeyInfo) {
shareKey(activity, unifiedKeyInfo, false, true);
}
public static void shareSshKeyToClipboard(Activity activity, UnifiedKeyInfo unifiedKeyInfo) {
shareKey(activity, unifiedKeyInfo, true, true);
}
}