diff options
Diffstat (limited to 'OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java')
| -rw-r--r-- | OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java | 515 |
1 files changed, 515 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java new file mode 100644 index 000000000..e2f90e87c --- /dev/null +++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java @@ -0,0 +1,515 @@ +/* + * Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de> + * Copyright (C) 2013 Bahtiar 'kalkin' Gadimov + * + * 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 java.util.ArrayList; +import java.util.Date; + +import org.spongycastle.openpgp.PGPPublicKey; +import org.spongycastle.openpgp.PGPPublicKeyRing; +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.Id; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.compatibility.ClipboardReflection; +import org.sufficientlysecure.keychain.helper.ExportHelper; +import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.KeychainContract.Keys; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.adapter.ViewKeyKeysAdapter; +import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter; +import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment; +import org.sufficientlysecure.keychain.ui.dialog.ShareNfcDialogFragment; +import org.sufficientlysecure.keychain.ui.dialog.ShareQrCodeDialogFragment; +import org.sufficientlysecure.keychain.util.Log; + +import android.annotation.SuppressLint; +import android.content.Intent; +import android.database.Cursor; +import android.net.Uri; +import android.nfc.NdefMessage; +import android.nfc.NdefRecord; +import android.nfc.NfcAdapter; +import android.nfc.NfcAdapter.CreateNdefMessageCallback; +import android.nfc.NfcAdapter.OnNdefPushCompleteCallback; +import android.nfc.NfcEvent; +import android.os.Build; +import android.os.Bundle; +import android.os.Handler; +import android.os.Message; +import android.support.v4.app.LoaderManager; +import android.support.v4.content.CursorLoader; +import android.support.v4.content.Loader; +import android.text.format.DateFormat; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.ListView; +import android.widget.TextView; +import android.widget.Toast; + +import com.actionbarsherlock.app.SherlockFragmentActivity; +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.beardedhen.androidbootstrap.BootstrapButton; + +@SuppressLint("NewApi") +public class ViewKeyActivity extends SherlockFragmentActivity implements CreateNdefMessageCallback, + OnNdefPushCompleteCallback, LoaderManager.LoaderCallbacks<Cursor> { + + ExportHelper mExportHelper; + + private Uri mDataUri; + + private PGPPublicKey mPublicKey; + + private TextView mName; + private TextView mEmail; + private TextView mComment; + private TextView mAlgorithm; + private TextView mKeyId; + private TextView mExpiry; + private TextView mCreation; + private TextView mFingerprint; + private BootstrapButton mActionEncrypt; + + private ListView mUserIds; + private ListView mKeys; + + // NFC + private NfcAdapter mNfcAdapter; + private byte[] mSharedKeyringBytes; + private static final int NFC_SENT = 1; + + private static final int LOADER_ID_KEYRING = 0; + private static final int LOADER_ID_USER_IDS = 1; + private static final int LOADER_ID_KEYS = 2; + private ViewKeyUserIdsAdapter mUserIdsAdapter; + private ViewKeyKeysAdapter mKeysAdapter; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + mExportHelper = new ExportHelper(this); + + getSupportActionBar().setDisplayHomeAsUpEnabled(true); + getSupportActionBar().setIcon(android.R.color.transparent); + getSupportActionBar().setHomeButtonEnabled(true); + + setContentView(R.layout.view_key_activity); + + mName = (TextView) findViewById(R.id.name); + mEmail = (TextView) findViewById(R.id.email); + mComment = (TextView) findViewById(R.id.comment); + mKeyId = (TextView) findViewById(R.id.key_id); + mAlgorithm = (TextView) findViewById(R.id.algorithm); + mCreation = (TextView) findViewById(R.id.creation); + mExpiry = (TextView) findViewById(R.id.expiry); + mFingerprint = (TextView) findViewById(R.id.fingerprint); + mActionEncrypt = (BootstrapButton) findViewById(R.id.action_encrypt); + mUserIds = (ListView) findViewById(R.id.user_ids); + mKeys = (ListView) findViewById(R.id.keys); + + Intent intent = getIntent(); + mDataUri = intent.getData(); + if (mDataUri == null) { + Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!"); + finish(); + return; + } else { + Log.d(Constants.TAG, "uri: " + mDataUri); + loadData(mDataUri); + initNfc(mDataUri); + } + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + super.onCreateOptionsMenu(menu); + getSupportMenuInflater().inflate(R.menu.key_view, menu); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case android.R.id.home: + Intent homeIntent = new Intent(this, KeyListPublicActivity.class); + homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + startActivity(homeIntent); + return true; + case R.id.menu_key_view_update: + updateFromKeyserver(mDataUri); + return true; + case R.id.menu_key_view_sign: + signKey(mDataUri); + return true; + case R.id.menu_key_view_export_keyserver: + uploadToKeyserver(mDataUri); + return true; + case R.id.menu_key_view_export_file: + mExportHelper.showExportKeysDialog(mDataUri, Id.type.public_key, Constants.path.APP_DIR + + "/pubexport.asc"); + return true; + case R.id.menu_key_view_share_default: + shareKey(mDataUri); + return true; + case R.id.menu_key_view_share_qr_code: + shareKeyQrCode(mDataUri); + return true; + case R.id.menu_key_view_share_nfc: + shareNfc(); + return true; + case R.id.menu_key_view_share_clipboard: + copyToClipboard(mDataUri); + return true; + case R.id.menu_key_view_delete: { + // Message is received after key is deleted + Handler returnHandler = new Handler() { + @Override + public void handleMessage(Message message) { + if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) { + setResult(RESULT_CANCELED); + finish(); + } + } + }; + + mExportHelper.deleteKey(mDataUri, Id.type.public_key, returnHandler); + return true; + } + } + return super.onOptionsItemSelected(item); + } + + private void loadData(Uri dataUri) { + // TODO: don't use pubkey object, use database!!! + + PGPPublicKeyRing ring = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, dataUri); + mPublicKey = ring.getPublicKey(); + + mKeyId.setText(PgpKeyHelper.shortifyFingerprint(PgpKeyHelper + .convertFingerprintToHex(mPublicKey.getFingerprint()))); + + String fingerprint = PgpKeyHelper.convertFingerprintToHex(mPublicKey.getFingerprint()); + fingerprint = fingerprint.replace(" ", "\n"); + mFingerprint.setText(fingerprint); + + // TODO: get image with getUserAttributes() on key and then PGPUserAttributeSubpacketVector + + Date expiryDate = PgpKeyHelper.getExpiryDate(mPublicKey); + if (expiryDate == null) { + mExpiry.setText(R.string.none); + } else { + mExpiry.setText(DateFormat.getDateFormat(getApplicationContext()).format(expiryDate)); + } + + mCreation.setText(DateFormat.getDateFormat(getApplicationContext()).format( + PgpKeyHelper.getCreationDate(mPublicKey))); + mAlgorithm.setText(PgpKeyHelper.getAlgorithmInfo(mPublicKey)); + + mActionEncrypt.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + long[] encryptionKeyIds = new long[] { mPublicKey.getKeyID() }; + Intent intent = new Intent(ViewKeyActivity.this, EncryptActivity.class); + intent.setAction(EncryptActivity.ACTION_ENCRYPT); + intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds); + // used instead of startActivity set actionbar based on callingPackage + startActivityForResult(intent, 0); + } + }); + + mUserIdsAdapter = new ViewKeyUserIdsAdapter(this, null, 0); + + mUserIds.setAdapter(mUserIdsAdapter); + // mUserIds.setEmptyView(findViewById(android.R.id.empty)); + // mUserIds.setClickable(true); + // mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() { + // @Override + // public void onItemClick(AdapterView<?> arg0, View arg1, int position, long id) { + // } + // }); + + mKeysAdapter = new ViewKeyKeysAdapter(this, null, 0); + + mKeys.setAdapter(mKeysAdapter); + + // Prepare the loader. Either re-connect with an existing one, + // or start a new one. + getSupportLoaderManager().initLoader(LOADER_ID_KEYRING, null, this); + getSupportLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this); + getSupportLoaderManager().initLoader(LOADER_ID_KEYS, null, this); + } + + static final String[] KEYRING_PROJECTION = new String[] { KeyRings._ID, KeyRings.MASTER_KEY_ID, + UserIds.USER_ID }; + + static final String[] USER_IDS_PROJECTION = new String[] { UserIds._ID, UserIds.USER_ID, + UserIds.RANK, }; + // not the main user id + static final String USER_IDS_SELECTION = UserIds.RANK + " > 0 "; + static final String USER_IDS_SORT_ORDER = UserIds.USER_ID + " COLLATE LOCALIZED ASC"; + + static final String[] KEYS_PROJECTION = new String[] { Keys._ID, Keys.KEY_ID, + Keys.IS_MASTER_KEY, Keys.ALGORITHM, Keys.KEY_SIZE, Keys.CAN_CERTIFY, Keys.CAN_SIGN, + Keys.CAN_ENCRYPT, }; + static final String KEYS_SORT_ORDER = Keys.RANK + " ASC"; + + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + switch (id) { + case LOADER_ID_KEYRING: { + Uri baseUri = mDataUri; + + // Now create and return a CursorLoader that will take care of + // creating a Cursor for the data being displayed. + return new CursorLoader(this, baseUri, KEYRING_PROJECTION, null, null, null); + } + case LOADER_ID_USER_IDS: { + Uri baseUri = UserIds.buildUserIdsUri(mDataUri); + + // Now create and return a CursorLoader that will take care of + // creating a Cursor for the data being displayed. + return new CursorLoader(this, baseUri, USER_IDS_PROJECTION, USER_IDS_SELECTION, null, + USER_IDS_SORT_ORDER); + } + case LOADER_ID_KEYS: { + Uri baseUri = Keys.buildKeysUri(mDataUri); + + // Now create and return a CursorLoader that will take care of + // creating a Cursor for the data being displayed. + return new CursorLoader(this, baseUri, KEYS_PROJECTION, null, null, KEYS_SORT_ORDER); + } + + default: + return null; + } + } + + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + // Swap the new cursor in. (The framework will take care of closing the + // old cursor once we return.) + switch (loader.getId()) { + case LOADER_ID_KEYRING: + if (data.moveToFirst()) { + String[] mainUserId = PgpKeyHelper.splitUserId(data.getString(2)); + setTitle(mainUserId[0]); + mName.setText(mainUserId[0]); + mEmail.setText(mainUserId[1]); + mComment.setText(mainUserId[2]); + } + + break; + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(data); + break; + case LOADER_ID_KEYS: + mKeysAdapter.swapCursor(data); + break; + + default: + break; + } + } + + /** + * This is called when the last Cursor provided to onLoadFinished() above is about to be closed. + * We need to make sure we are no longer using it. + */ + public void onLoaderReset(Loader<Cursor> loader) { + switch (loader.getId()) { + case LOADER_ID_KEYRING: + // TODO? + break; + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(null); + break; + case LOADER_ID_KEYS: + mKeysAdapter.swapCursor(null); + break; + default: + break; + } + } + + private void uploadToKeyserver(Uri dataUri) { + long keyRingRowId = Long.valueOf(dataUri.getLastPathSegment()); + + Intent uploadIntent = new Intent(this, KeyServerUploadActivity.class); + uploadIntent.setAction(KeyServerUploadActivity.ACTION_EXPORT_KEY_TO_SERVER); + uploadIntent.putExtra(KeyServerUploadActivity.EXTRA_KEYRING_ROW_ID, (int) keyRingRowId); + startActivityForResult(uploadIntent, Id.request.export_to_server); + } + + private void updateFromKeyserver(Uri dataUri) { + long updateKeyId = 0; + PGPPublicKeyRing updateRing = (PGPPublicKeyRing) ProviderHelper + .getPGPKeyRing(this, dataUri); + + if (updateRing != null) { + updateKeyId = PgpKeyHelper.getMasterKey(updateRing).getKeyID(); + } + if (updateKeyId == 0) { + Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!"); + return; + } + + Intent signIntent = new Intent(this, SignKeyActivity.class); + signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, updateKeyId); + startActivity(signIntent); + + Intent queryIntent = new Intent(this, KeyServerQueryActivity.class); + queryIntent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID_AND_RETURN); + queryIntent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, updateKeyId); + + // TODO: lookup?? + startActivityForResult(queryIntent, Id.request.look_up_key_id); + } + + private void signKey(Uri dataUri) { + long keyId = 0; + PGPPublicKeyRing signKey = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, dataUri); + + if (signKey != null) { + keyId = PgpKeyHelper.getMasterKey(signKey).getKeyID(); + } + if (keyId == 0) { + Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!"); + return; + } + + Intent signIntent = new Intent(this, SignKeyActivity.class); + signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, keyId); + startActivity(signIntent); + } + + private void shareKey(Uri dataUri) { + // get public keyring as ascii armored string + long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri); + ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri, + new long[] { masterKeyId }); + + // let user choose application + Intent sendIntent = new Intent(Intent.ACTION_SEND); + sendIntent.putExtra(Intent.EXTRA_TEXT, keyringArmored.get(0)); + sendIntent.setType("text/plain"); + startActivity(Intent.createChooser(sendIntent, + getResources().getText(R.string.action_share_key_with))); + } + + private void shareKeyQrCode(Uri dataUri) { + // get public keyring as ascii armored string + long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri); + ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri, + new long[] { masterKeyId }); + + ShareQrCodeDialogFragment dialog = ShareQrCodeDialogFragment.newInstance(keyringArmored + .get(0)); + dialog.show(getSupportFragmentManager(), "shareQrCodeDialog"); + } + + private void copyToClipboard(Uri dataUri) { + // get public keyring as ascii armored string + long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri); + ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri, + new long[] { masterKeyId }); + + ClipboardReflection.copyToClipboard(this, keyringArmored.get(0)); + } + + private void shareNfc() { + ShareNfcDialogFragment dialog = ShareNfcDialogFragment.newInstance(); + dialog.show(getSupportFragmentManager(), "shareNfcDialog"); + } + + /** + * NFC: Initialize NFC sharing if OS and device supports it + */ + private void initNfc(Uri dataUri) { + // check if NFC Beam is supported (>= Android 4.1) + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { + // Check for available NFC Adapter + mNfcAdapter = NfcAdapter.getDefaultAdapter(this); + if (mNfcAdapter != null) { + // init nfc + + // get public keyring as byte array + long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri); + mSharedKeyringBytes = ProviderHelper.getKeyRingsAsByteArray(this, dataUri, + new long[] { masterKeyId }); + + // Register callback to set NDEF message + mNfcAdapter.setNdefPushMessageCallback(this, this); + // Register callback to listen for message-sent success + mNfcAdapter.setOnNdefPushCompleteCallback(this, this); + } + } + } + + /** + * NFC: Implementation for the CreateNdefMessageCallback interface + */ + @Override + public NdefMessage createNdefMessage(NfcEvent event) { + /** + * When a device receives a push with an AAR in it, the application specified in the AAR is + * guaranteed to run. The AAR overrides the tag dispatch system. You can add it back in to + * guarantee that this activity starts when receiving a beamed message. For now, this code + * uses the tag dispatch system. + */ + NdefMessage msg = new NdefMessage(NdefRecord.createMime(Constants.NFC_MIME, + mSharedKeyringBytes), NdefRecord.createApplicationRecord(Constants.PACKAGE_NAME)); + return msg; + } + + /** + * NFC: Implementation for the OnNdefPushCompleteCallback interface + */ + @Override + public void onNdefPushComplete(NfcEvent arg0) { + // A handler is needed to send messages to the activity when this + // callback occurs, because it happens from a binder thread + mNfcHandler.obtainMessage(NFC_SENT).sendToTarget(); + } + + /** + * NFC: This handler receives a message from onNdefPushComplete + */ + private final Handler mNfcHandler = new Handler() { + @Override + public void handleMessage(Message msg) { + switch (msg.what) { + case NFC_SENT: + Toast.makeText(getApplicationContext(), R.string.nfc_successfull, Toast.LENGTH_LONG) + .show(); + break; + } + } + }; + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + if (!mExportHelper.handleActivityResult(requestCode, resultCode, data)) { + super.onActivityResult(requestCode, resultCode, data); + } + } + +} |