diff options
Diffstat (limited to 'org_apg/src/org/thialfihar/android/apg/ui/dialog/PassphraseDialogFragment.java')
| -rw-r--r-- | org_apg/src/org/thialfihar/android/apg/ui/dialog/PassphraseDialogFragment.java | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/org_apg/src/org/thialfihar/android/apg/ui/dialog/PassphraseDialogFragment.java b/org_apg/src/org/thialfihar/android/apg/ui/dialog/PassphraseDialogFragment.java deleted file mode 100644 index fb8f4b6d1..000000000 --- a/org_apg/src/org/thialfihar/android/apg/ui/dialog/PassphraseDialogFragment.java +++ /dev/null @@ -1,273 +0,0 @@ -/* - * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de> - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.thialfihar.android.apg.ui.dialog; - -import org.spongycastle.openpgp.PGPException; -import org.spongycastle.openpgp.PGPPrivateKey; -import org.spongycastle.openpgp.PGPSecretKey; -import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor; -import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder; -import org.thialfihar.android.apg.helper.PGPHelper; -import org.thialfihar.android.apg.helper.PGPMain; -import org.thialfihar.android.apg.helper.PGPMain.ApgGeneralException; -import org.thialfihar.android.apg.Constants; -import org.thialfihar.android.apg.Id; -import org.thialfihar.android.apg.R; - -import android.app.Activity; -import android.app.AlertDialog; -import android.app.Dialog; -import android.content.Context; -import android.content.DialogInterface; -import android.content.DialogInterface.OnClickListener; -import android.os.Bundle; -import android.os.Message; -import android.os.Messenger; -import android.os.RemoteException; -import android.support.v4.app.DialogFragment; - -import org.thialfihar.android.apg.provider.ProviderHelper; -import org.thialfihar.android.apg.service.PassphraseCacheService; -import org.thialfihar.android.apg.util.Log; - -import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.View; -import android.view.WindowManager.LayoutParams; -import android.view.inputmethod.EditorInfo; -import android.widget.Button; -import android.widget.EditText; -import android.widget.TextView; -import android.widget.TextView.OnEditorActionListener; -import android.widget.Toast; - -public class PassphraseDialogFragment extends DialogFragment implements OnEditorActionListener { - - private Messenger mMessenger; - - private static final String ARG_MESSENGER = "messenger"; - private static final String ARG_SECRET_KEY_ID = "secret_key_id"; - - public static final int MESSAGE_OKAY = 1; - - private EditText mPassphraseEditText; - - /** - * Creates new instance of this dialog fragment - * - * @param secretKeyId - * secret key id you want to use - * @param messenger - * to communicate back after caching the passphrase - * @return - * @throws ApgGeneralException - */ - public static PassphraseDialogFragment newInstance(Context context, Messenger messenger, - long secretKeyId) throws ApgGeneralException { - // check if secret key has a passphrase - if (!(secretKeyId == Id.key.symmetric || secretKeyId == Id.key.none)) { - if (!hasPassphrase(context, secretKeyId)) { - throw new PGPMain.ApgGeneralException("No passphrase! No passphrase dialog needed!"); - } - } - - PassphraseDialogFragment frag = new PassphraseDialogFragment(); - Bundle args = new Bundle(); - args.putLong(ARG_SECRET_KEY_ID, secretKeyId); - args.putParcelable(ARG_MESSENGER, messenger); - - frag.setArguments(args); - - return frag; - } - - /** - * Checks if key has a passphrase - * - * @param secretKeyId - * @return true if it has a passphrase - */ - private static boolean hasPassphrase(Context context, long secretKeyId) { - // check if the key has no passphrase - try { - PGPSecretKey secretKey = PGPHelper.getMasterKey(ProviderHelper - .getPGPSecretKeyRingByKeyId(context, secretKeyId)); - // PGPSecretKey secretKey = - // PGPHelper.getMasterKey(PGPMain.getSecretKeyRing(secretKeyId)); - - Log.d(Constants.TAG, "Check if key has no passphrase..."); - PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder().setProvider( - "SC").build("".toCharArray()); - PGPPrivateKey testKey = secretKey.extractPrivateKey(keyDecryptor); - if (testKey != null) { - Log.d(Constants.TAG, "Key has no passphrase! Caches empty passphrase!"); - - // cache empty passphrase - PassphraseCacheService.addCachedPassphrase(context, secretKey.getKeyID(), ""); - - return false; - } - } catch (PGPException e) { - // silently catch - } - - return true; - } - - @Override - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - } - - /** - * Creates dialog - */ - @Override - public Dialog onCreateDialog(Bundle savedInstanceState) { - final Activity activity = getActivity(); - - long secretKeyId = getArguments().getLong(ARG_SECRET_KEY_ID); - mMessenger = getArguments().getParcelable(ARG_MESSENGER); - - AlertDialog.Builder alert = new AlertDialog.Builder(activity); - - alert.setTitle(R.string.title_authentication); - - final PGPSecretKey secretKey; - - if (secretKeyId == Id.key.symmetric || secretKeyId == Id.key.none) { - secretKey = null; - alert.setMessage(R.string.passPhraseForSymmetricEncryption); - } else { - // TODO: by master key id??? - secretKey = PGPHelper.getMasterKey(ProviderHelper.getPGPSecretKeyRingByMasterKeyId( - activity, secretKeyId)); - // secretKey = PGPHelper.getMasterKey(PGPMain.getSecretKeyRing(secretKeyId)); - - if (secretKey == null) { - alert.setTitle(R.string.title_keyNotFound); - alert.setMessage(getString(R.string.keyNotFound, secretKeyId)); - alert.setPositiveButton(android.R.string.ok, new OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dismiss(); - } - }); - alert.setCancelable(false); - return alert.create(); - } - String userId = PGPHelper.getMainUserIdSafe(activity, secretKey); - - Log.d(Constants.TAG, "User id: '" + userId + "'"); - alert.setMessage(getString(R.string.passPhraseFor, userId)); - } - - LayoutInflater inflater = activity.getLayoutInflater(); - View view = inflater.inflate(R.layout.passphrase, null); - alert.setView(view); - - mPassphraseEditText = (EditText) view.findViewById(R.id.passphrase_passphrase); - - alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int id) { - dismiss(); - - String passPhrase = mPassphraseEditText.getText().toString(); - long keyId; - if (secretKey != null) { - try { - PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder() - .setProvider(PGPMain.BOUNCY_CASTLE_PROVIDER_NAME).build( - passPhrase.toCharArray()); - PGPPrivateKey testKey = secretKey.extractPrivateKey(keyDecryptor); - if (testKey == null) { - Toast.makeText(activity, R.string.error_couldNotExtractPrivateKey, - Toast.LENGTH_SHORT).show(); - return; - } - } catch (PGPException e) { - Toast.makeText(activity, R.string.wrongPassPhrase, Toast.LENGTH_SHORT) - .show(); - return; - } - keyId = secretKey.getKeyID(); - } else { - keyId = Id.key.symmetric; - } - - // cache the new passphrase - Log.d(Constants.TAG, "Everything okay! Caching entered passphrase"); - PassphraseCacheService.addCachedPassphrase(activity, keyId, passPhrase); - - sendMessageToHandler(MESSAGE_OKAY); - } - }); - - alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int id) { - dismiss(); - } - }); - - return alert.create(); - } - - @Override - public void onActivityCreated(Bundle arg0) { - super.onActivityCreated(arg0); - - // request focus and open soft keyboard - mPassphraseEditText.requestFocus(); - getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE); - - mPassphraseEditText.setOnEditorActionListener(this); - } - - /** - * Associate the "done" button on the soft keyboard with the okay button in the view - */ - @Override - public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { - if (EditorInfo.IME_ACTION_DONE == actionId) { - AlertDialog dialog = ((AlertDialog) getDialog()); - Button bt = dialog.getButton(AlertDialog.BUTTON_POSITIVE); - - bt.performClick(); - return true; - } - return false; - } - - /** - * Send message back to handler which is initialized in a activity - * - * @param what - * Message integer you want to send - */ - private void sendMessageToHandler(Integer what) { - Message msg = Message.obtain(); - msg.what = what; - - try { - mMessenger.send(msg); - } catch (RemoteException e) { - Log.w(Constants.TAG, "Exception sending message, Is handler present?", e); - } catch (NullPointerException e) { - Log.w(Constants.TAG, "Messenger is null!", e); - } - } - -}
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