diff options
Diffstat (limited to 'OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java')
| -rw-r--r-- | OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java new file mode 100644 index 000000000..631672c1f --- /dev/null +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java @@ -0,0 +1,666 @@ +/* + * Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de> + * Copyright (C) 2010 Thialfihar <thi@thialfihar.org> + * + * 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.sufficientlysecure.keychain.ui; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.Vector; + +import org.spongycastle.openpgp.PGPSecretKey; +import org.spongycastle.openpgp.PGPSecretKeyRing; +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.Id; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.helper.ActionBarHelper; +import org.sufficientlysecure.keychain.helper.ExportHelper; +import org.sufficientlysecure.keychain.pgp.PgpConversionHelper; +import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; +import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.service.KeychainIntentService; +import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.service.PassphraseCacheService; +import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment; +import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment; +import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment; +import org.sufficientlysecure.keychain.ui.widget.KeyEditor; +import org.sufficientlysecure.keychain.ui.widget.SectionView; +import org.sufficientlysecure.keychain.ui.widget.UserIdEditor; +import org.sufficientlysecure.keychain.util.IterableIterator; +import org.sufficientlysecure.keychain.util.Log; + +import android.app.ProgressDialog; +import android.content.Context; +import android.content.Intent; +import android.net.Uri; +import android.os.Bundle; +import android.os.Handler; +import android.os.Message; +import android.os.Messenger; +import android.view.LayoutInflater; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.LinearLayout; +import android.widget.Toast; + +import com.actionbarsherlock.app.SherlockFragmentActivity; +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.beardedhen.androidbootstrap.BootstrapButton; + +public class EditKeyActivity extends SherlockFragmentActivity { + + // Actions for internal use only: + public static final String ACTION_CREATE_KEY = Constants.INTENT_PREFIX + "CREATE_KEY"; + public static final String ACTION_EDIT_KEY = Constants.INTENT_PREFIX + "EDIT_KEY"; + + // possible extra keys + public static final String EXTRA_USER_IDS = "user_ids"; + public static final String EXTRA_NO_PASSPHRASE = "no_passphrase"; + public static final String EXTRA_GENERATE_DEFAULT_KEYS = "generate_default_keys"; + + // results when saving key + public static final String RESULT_EXTRA_MASTER_KEY_ID = "master_key_id"; + public static final String RESULT_EXTRA_USER_ID = "user_id"; + + // EDIT + private Uri mDataUri; + + private PGPSecretKeyRing mKeyRing = null; + + private SectionView mUserIdsView; + private SectionView mKeysView; + + private String mCurrentPassPhrase = null; + private String mNewPassPhrase = null; + + private BootstrapButton mChangePassPhrase; + + private CheckBox mNoPassphrase; + + Vector<String> mUserIds; + Vector<PGPSecretKey> mKeys; + Vector<Integer> mKeysUsages; + boolean masterCanSign = true; + + ExportHelper mExportHelper; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + mExportHelper = new ExportHelper(this); + + mUserIds = new Vector<String>(); + mKeys = new Vector<PGPSecretKey>(); + mKeysUsages = new Vector<Integer>(); + + // Catch Intents opened from other apps + Intent intent = getIntent(); + String action = intent.getAction(); + if (ACTION_CREATE_KEY.equals(action)) { + handleActionCreateKey(intent); + } else if (ACTION_EDIT_KEY.equals(action)) { + handleActionEditKey(intent); + } + } + + /** + * Handle intent action to create new key + * + * @param intent + */ + private void handleActionCreateKey(Intent intent) { + // Inflate a "Done"/"Cancel" custom action bar + ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.btn_save, + new View.OnClickListener() { + @Override + public void onClick(View v) { + saveClicked(); + } + }, R.string.btn_do_not_save, new View.OnClickListener() { + @Override + public void onClick(View v) { + cancelClicked(); + } + }); + + Bundle extras = intent.getExtras(); + + mCurrentPassPhrase = ""; + + if (extras != null) { + // if userId is given, prefill the fields + if (extras.containsKey(EXTRA_USER_IDS)) { + Log.d(Constants.TAG, "UserIds are given!"); + mUserIds.add(extras.getString(EXTRA_USER_IDS)); + } + + // if no passphrase is given + if (extras.containsKey(EXTRA_NO_PASSPHRASE)) { + boolean noPassphrase = extras.getBoolean(EXTRA_NO_PASSPHRASE); + if (noPassphrase) { + // check "no passphrase" checkbox and remove button + mNoPassphrase.setChecked(true); + mChangePassPhrase.setVisibility(View.GONE); + } + } + + // generate key + if (extras.containsKey(EXTRA_GENERATE_DEFAULT_KEYS)) { + boolean generateDefaultKeys = extras.getBoolean(EXTRA_GENERATE_DEFAULT_KEYS); + if (generateDefaultKeys) { + + // Send all information needed to service generate keys in other thread + Intent serviceIntent = new Intent(this, KeychainIntentService.class); + serviceIntent.setAction(KeychainIntentService.ACTION_GENERATE_DEFAULT_RSA_KEYS); + + // fill values for this action + Bundle data = new Bundle(); + data.putString(KeychainIntentService.GENERATE_KEY_SYMMETRIC_PASSPHRASE, + mCurrentPassPhrase); + + serviceIntent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after generating is done in ApgService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler( + this, R.string.progress_generating, ProgressDialog.STYLE_SPINNER) { + public void handleMessage(Message message) { + // handle messages by standard ApgHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + // get new key from data bundle returned from service + Bundle data = message.getData(); + PGPSecretKeyRing masterKeyRing = (PGPSecretKeyRing) PgpConversionHelper + .BytesToPGPKeyRing(data + .getByteArray(KeychainIntentService.RESULT_NEW_KEY)); + PGPSecretKeyRing subKeyRing = (PGPSecretKeyRing) PgpConversionHelper + .BytesToPGPKeyRing(data + .getByteArray(KeychainIntentService.RESULT_NEW_KEY2)); + + // add master key + @SuppressWarnings("unchecked") + Iterator<PGPSecretKey> masterIt = masterKeyRing.getSecretKeys(); + mKeys.add(masterIt.next()); + mKeysUsages.add(Id.choice.usage.sign_only); + + // add sub key + @SuppressWarnings("unchecked") + Iterator<PGPSecretKey> subIt = subKeyRing.getSecretKeys(); + subIt.next(); // masterkey + mKeys.add(subIt.next()); + mKeysUsages.add(Id.choice.usage.encrypt_only); + + buildLayout(); + } + }; + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(saveHandler); + serviceIntent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + saveHandler.showProgressDialog(this); + + // start service with intent + startService(serviceIntent); + } + } + } else { + buildLayout(); + } + } + + /** + * Handle intent action to edit existing key + * + * @param intent + */ + private void handleActionEditKey(Intent intent) { + // Inflate a "Done"/"Cancel" custom action bar + ActionBarHelper.setDoneView(getSupportActionBar(), R.string.btn_save, + new View.OnClickListener() { + @Override + public void onClick(View v) { + saveClicked(); + } + }); + + 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); + + long keyRingRowId = Long.valueOf(mDataUri.getLastPathSegment()); + + // get master key id using row id + long masterKeyId = ProviderHelper.getSecretMasterKeyId(this, keyRingRowId); + + boolean masterCanSign = ProviderHelper.getSecretMasterKeyCanSign(this, keyRingRowId); + + String passphrase = PassphraseCacheService.getCachedPassphrase(this, masterKeyId); + if (passphrase == null) { + showPassphraseDialog(masterKeyId, masterCanSign); + } else { + // PgpMain.setEditPassPhrase(passPhrase); + mCurrentPassPhrase = passphrase; + + finallyEdit(masterKeyId, masterCanSign); + } + } + } + + private void showPassphraseDialog(final long masterKeyId, final boolean masterCanSign) { + // Message is received after passphrase is cached + Handler returnHandler = new Handler() { + @Override + public void handleMessage(Message message) { + if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) { + String passPhrase = PassphraseCacheService.getCachedPassphrase( + EditKeyActivity.this, masterKeyId); + mCurrentPassPhrase = passPhrase; + finallyEdit(masterKeyId, masterCanSign); + } else { + finish(); + } + } + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(returnHandler); + + try { + PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance( + EditKeyActivity.this, messenger, masterKeyId); + + passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog"); + } catch (PgpGeneralException e) { + Log.d(Constants.TAG, "No passphrase for this secret key!"); + // send message to handler to start encryption directly + returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY); + } + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + // show menu only on edit + if (mDataUri != null) { + return super.onPrepareOptionsMenu(menu); + } else { + return false; + } + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + super.onCreateOptionsMenu(menu); + getSupportMenuInflater().inflate(R.menu.key_edit, menu); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case R.id.menu_key_edit_cancel: + cancelClicked(); + return true; + case R.id.menu_key_edit_export_file: + mExportHelper.showExportKeysDialog(mDataUri, Id.type.secret_key, Constants.path.APP_DIR + + "/secexport.asc"); + return true; + case R.id.menu_key_edit_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.secret_key, returnHandler); + return true; + } + } + return super.onOptionsItemSelected(item); + } + + @SuppressWarnings("unchecked") + private void finallyEdit(final long masterKeyId, final boolean masterCanSign) { + if (masterKeyId != 0) { + PGPSecretKey masterKey = null; + mKeyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(this, masterKeyId); + if (mKeyRing != null) { + masterKey = PgpKeyHelper.getMasterKey(mKeyRing); + for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(mKeyRing.getSecretKeys())) { + mKeys.add(key); + mKeysUsages.add(-1); // get usage when view is created + } + } else { + Log.e(Constants.TAG, "Keyring not found with masterKeyId: " + masterKeyId); + Toast.makeText(this, R.string.error_no_secret_key_found, Toast.LENGTH_LONG).show(); + } + if (masterKey != null) { + for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) { + Log.d(Constants.TAG, "Added userId " + userId); + mUserIds.add(userId); + } + } + } + + // TODO: ??? + if (mCurrentPassPhrase == null) { + mCurrentPassPhrase = ""; + } + + buildLayout(); + + if (mCurrentPassPhrase.equals("")) { + // check "no passphrase" checkbox and remove button + mNoPassphrase.setChecked(true); + mChangePassPhrase.setVisibility(View.GONE); + } + } + + /** + * Shows the dialog to set a new passphrase + */ + private void showSetPassphraseDialog() { + // Message is received after passphrase is cached + Handler returnHandler = new Handler() { + @Override + public void handleMessage(Message message) { + if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) { + Bundle data = message.getData(); + + // set new returned passphrase! + mNewPassPhrase = data + .getString(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE); + + updatePassPhraseButtonText(); + } + } + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(returnHandler); + + // set title based on isPassphraseSet() + int title = -1; + if (isPassphraseSet()) { + title = R.string.title_change_pass_phrase; + } else { + title = R.string.title_set_passphrase; + } + + SetPassphraseDialogFragment setPassphraseDialog = SetPassphraseDialogFragment.newInstance( + messenger, title); + + setPassphraseDialog.show(getSupportFragmentManager(), "setPassphraseDialog"); + } + + /** + * Build layout based on mUserId, mKeys and mKeysUsages Vectors. It creates Views for every user + * id and key. + */ + private void buildLayout() { + setContentView(R.layout.edit_key_activity); + + // find views + mChangePassPhrase = (BootstrapButton) findViewById(R.id.edit_key_btn_change_pass_phrase); + mNoPassphrase = (CheckBox) findViewById(R.id.edit_key_no_passphrase); + + // Build layout based on given userIds and keys + LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); + + LinearLayout container = (LinearLayout) findViewById(R.id.edit_key_container); + mUserIdsView = (SectionView) inflater.inflate(R.layout.edit_key_section, container, false); + mUserIdsView.setType(Id.type.user_id); + mUserIdsView.setCanEdit(masterCanSign); + mUserIdsView.setUserIds(mUserIds); + container.addView(mUserIdsView); + mKeysView = (SectionView) inflater.inflate(R.layout.edit_key_section, container, false); + mKeysView.setType(Id.type.key); + mKeysView.setCanEdit(masterCanSign); + mKeysView.setKeys(mKeys, mKeysUsages); + container.addView(mKeysView); + + updatePassPhraseButtonText(); + + mChangePassPhrase.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + showSetPassphraseDialog(); + } + }); + + // disable passphrase when no passphrase checkobox is checked! + mNoPassphrase.setOnCheckedChangeListener(new OnCheckedChangeListener() { + + @Override + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + if (isChecked) { + // remove passphrase + mNewPassPhrase = null; + + mChangePassPhrase.setVisibility(View.GONE); + } else { + mChangePassPhrase.setVisibility(View.VISIBLE); + } + } + }); + } + + private long getMasterKeyId() { + if (mKeysView.getEditors().getChildCount() == 0) { + return 0; + } + return ((KeyEditor) mKeysView.getEditors().getChildAt(0)).getValue().getKeyID(); + } + + public boolean isPassphraseSet() { + if (mNoPassphrase.isChecked()) { + return true; + } else if ((!mCurrentPassPhrase.equals("")) + || (mNewPassPhrase != null && !mNewPassPhrase.equals(""))) { + return true; + } else { + return false; + } + } + + private void saveClicked() { + try { + if (!isPassphraseSet()) { + throw new PgpGeneralException(this.getString(R.string.set_a_passphrase)); + } + + // Send all information needed to service to edit key in other thread + Intent intent = new Intent(this, KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_SAVE_KEYRING); + + // fill values for this action + Bundle data = new Bundle(); + data.putString(KeychainIntentService.SAVE_KEYRING_CURRENT_PASSPHRASE, + mCurrentPassPhrase); + data.putString(KeychainIntentService.SAVE_KEYRING_NEW_PASSPHRASE, mNewPassPhrase); + data.putStringArrayList(KeychainIntentService.SAVE_KEYRING_USER_IDS, + getUserIds(mUserIdsView)); + ArrayList<PGPSecretKey> keys = getKeys(mKeysView); + data.putByteArray(KeychainIntentService.SAVE_KEYRING_KEYS, + PgpConversionHelper.PGPSecretKeyArrayListToBytes(keys)); + data.putIntegerArrayList(KeychainIntentService.SAVE_KEYRING_KEYS_USAGES, + getKeysUsages(mKeysView)); + data.putLong(KeychainIntentService.SAVE_KEYRING_MASTER_KEY_ID, getMasterKeyId()); + data.putBoolean(KeychainIntentService.SAVE_KEYRING_CAN_SIGN, masterCanSign); + + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after saving is done in ApgService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this, + R.string.progress_saving, ProgressDialog.STYLE_HORIZONTAL) { + public void handleMessage(Message message) { + // handle messages by standard ApgHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + Intent data = new Intent(); + data.putExtra(RESULT_EXTRA_MASTER_KEY_ID, getMasterKeyId()); + ArrayList<String> userIds = null; + try { + userIds = getUserIds(mUserIdsView); + } catch (PgpGeneralException e) { + Log.e(Constants.TAG, "exception while getting user ids", e); + } + data.putExtra(RESULT_EXTRA_USER_ID, userIds.get(0)); + setResult(RESULT_OK, data); + finish(); + } + }; + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(saveHandler); + intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + saveHandler.showProgressDialog(this); + + // start service with intent + startService(intent); + } catch (PgpGeneralException e) { + Toast.makeText(this, getString(R.string.error_message, e.getMessage()), + Toast.LENGTH_SHORT).show(); + } + } + + private void cancelClicked() { + setResult(RESULT_CANCELED); + finish(); + } + + /** + * Returns user ids from the SectionView + * + * @param userIdsView + * @return + */ + private ArrayList<String> getUserIds(SectionView userIdsView) throws PgpGeneralException { + ArrayList<String> userIds = new ArrayList<String>(); + + ViewGroup userIdEditors = userIdsView.getEditors(); + + boolean gotMainUserId = false; + for (int i = 0; i < userIdEditors.getChildCount(); ++i) { + UserIdEditor editor = (UserIdEditor) userIdEditors.getChildAt(i); + String userId = null; + try { + userId = editor.getValue(); + } catch (UserIdEditor.NoNameException e) { + throw new PgpGeneralException(this.getString(R.string.error_user_id_needs_a_name)); + } catch (UserIdEditor.NoEmailException e) { + throw new PgpGeneralException( + this.getString(R.string.error_user_id_needs_an_email_address)); + } catch (UserIdEditor.InvalidEmailException e) { + throw new PgpGeneralException(e.getMessage()); + } + + if (userId.equals("")) { + continue; + } + + if (editor.isMainUserId()) { + userIds.add(0, userId); + gotMainUserId = true; + } else { + userIds.add(userId); + } + } + + if (userIds.size() == 0) { + throw new PgpGeneralException(getString(R.string.error_key_needs_a_user_id)); + } + + if (!gotMainUserId) { + throw new PgpGeneralException(getString(R.string.error_main_user_id_must_not_be_empty)); + } + + return userIds; + } + + /** + * Returns keys from the SectionView + * + * @param keysView + * @return + */ + private ArrayList<PGPSecretKey> getKeys(SectionView keysView) throws PgpGeneralException { + ArrayList<PGPSecretKey> keys = new ArrayList<PGPSecretKey>(); + + ViewGroup keyEditors = keysView.getEditors(); + + if (keyEditors.getChildCount() == 0) { + throw new PgpGeneralException(getString(R.string.error_key_needs_master_key)); + } + + for (int i = 0; i < keyEditors.getChildCount(); ++i) { + KeyEditor editor = (KeyEditor) keyEditors.getChildAt(i); + keys.add(editor.getValue()); + } + + return keys; + } + + /** + * Returns usage selections of keys from the SectionView + * + * @param keysView + * @return + */ + private ArrayList<Integer> getKeysUsages(SectionView keysView) throws PgpGeneralException { + ArrayList<Integer> getKeysUsages = new ArrayList<Integer>(); + + ViewGroup keyEditors = keysView.getEditors(); + + if (keyEditors.getChildCount() == 0) { + throw new PgpGeneralException(getString(R.string.error_key_needs_master_key)); + } + + for (int i = 0; i < keyEditors.getChildCount(); ++i) { + KeyEditor editor = (KeyEditor) keyEditors.getChildAt(i); + getKeysUsages.add(editor.getUsage()); + } + + return getKeysUsages; + } + + private void updatePassPhraseButtonText() { + mChangePassPhrase.setText(isPassphraseSet() ? getString(R.string.btn_change_passphrase) + : getString(R.string.btn_set_passphrase)); + } + +} |