diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java new file mode 100644 index 000000000..0804ec0b4 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java @@ -0,0 +1,425 @@ +/* + * Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de> + * Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com> + * + * 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 android.app.ProgressDialog; +import android.content.Intent; +import android.database.Cursor; +import android.graphics.PorterDuff; +import android.net.Uri; +import android.os.Bundle; +import android.os.Handler; +import android.os.Message; +import android.os.Messenger; +import android.support.v4.app.LoaderManager; +import android.support.v4.app.NavUtils; +import android.support.v4.content.CursorLoader; +import android.support.v4.content.Loader; +import android.view.LayoutInflater; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.ArrayAdapter; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.ImageView; +import android.widget.ListView; +import android.widget.ScrollView; +import android.widget.Spinner; +import android.widget.TextView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.helper.Preferences; +import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; +import org.sufficientlysecure.keychain.provider.KeychainContract; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds; +import org.sufficientlysecure.keychain.service.KeychainIntentService; +import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.service.OperationResultParcel; +import org.sufficientlysecure.keychain.service.PassphraseCacheService; +import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter; +import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment; +import org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner; +import org.sufficientlysecure.keychain.ui.widget.KeySpinner; +import org.sufficientlysecure.keychain.util.Log; +import org.sufficientlysecure.keychain.util.Notify; + +import java.util.ArrayList; + +public class CertifyKeyFragment extends LoaderFragment + implements LoaderManager.LoaderCallbacks<Cursor> { + + private CertifyKeyActivity mActivity; + + private CheckBox mUploadKeyCheckbox; + private Spinner mSelectKeyserverSpinner; + private ScrollView mScrollView; + ListView mUserIds; + + private TextView mInfoKeyId, mInfoPrimaryUserId, mInfoFingerprint; + + private CertifyKeySpinner mCertifyKeySpinner; + + private Uri mDataUri; + private long mPubKeyId = Constants.key.none; + private long mMasterKeyId = Constants.key.none; + + private UserIdsAdapter mUserIdsAdapter; + + static final String USER_IDS_SELECTION = UserIds.IS_REVOKED + " = 0"; + + static final String[] KEYRING_PROJECTION = + new String[]{ + KeyRings._ID, + KeyRings.MASTER_KEY_ID, + KeyRings.FINGERPRINT, + KeyRings.USER_ID, + }; + static final int INDEX_MASTER_KEY_ID = 1; + static final int INDEX_FINGERPRINT = 2; + static final int INDEX_USER_ID = 3; + + private static final int LOADER_ID_KEYRING = 0; + private static final int LOADER_ID_USER_IDS = 1; + + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + // Start out with a progress indicator. + setContentShown(false); + + mDataUri = mActivity.getIntent().getData(); + if (mDataUri == null) { + Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!"); + mActivity.finish(); + return; + } + Log.e(Constants.TAG, "uri: " + mDataUri); + + mUserIdsAdapter = new UserIdsAdapter(mActivity, null, 0, true); + + mUserIds.setAdapter(mUserIdsAdapter); + mUserIds.setOnItemClickListener(mUserIdsAdapter); + + getLoaderManager().initLoader(LOADER_ID_KEYRING, null, this); + getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this); + + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) { + View root = super.onCreateView(inflater, superContainer, savedInstanceState); + + // is this "the android way"? + mActivity = (CertifyKeyActivity) getActivity(); + + View view = inflater.inflate(R.layout.certify_key_fragment, getContainer()); + + mCertifyKeySpinner = (CertifyKeySpinner) view.findViewById(R.id.certify_key_spinner); + mSelectKeyserverSpinner = (Spinner) view.findViewById(R.id.upload_key_keyserver); + mUploadKeyCheckbox = (CheckBox) view.findViewById(R.id.sign_key_upload_checkbox); + mScrollView = (ScrollView) view.findViewById(R.id.certify_scroll_view); + mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids); + + mInfoKeyId = ((TextView) view.findViewById(R.id.key_id)); + mInfoPrimaryUserId = ((TextView) view.findViewById(R.id.main_user_id)); + mInfoFingerprint = ((TextView) view.findViewById(R.id.view_key_fingerprint)); + + // make certify image gray, like action icons + ImageView vActionCertifyImage = + (ImageView) view.findViewById(R.id.certify_key_action_certify_image); + vActionCertifyImage.setColorFilter(getResources().getColor(R.color.tertiary_text_light), + PorterDuff.Mode.SRC_IN); + + mCertifyKeySpinner.setOnKeyChangedListener(new KeySpinner.OnKeyChangedListener() { + @Override + public void onKeyChanged(long masterKeyId) { + mMasterKeyId = masterKeyId; + } + }); + + ArrayAdapter<String> adapter = new ArrayAdapter<String>(mActivity, + android.R.layout.simple_spinner_item, + Preferences.getPreferences(mActivity).getKeyServers() + ); + adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); + mSelectKeyserverSpinner.setAdapter(adapter); + + if (!mUploadKeyCheckbox.isChecked()) { + mSelectKeyserverSpinner.setEnabled(false); + } else { + mSelectKeyserverSpinner.setEnabled(true); + } + + mUploadKeyCheckbox.setOnCheckedChangeListener(new OnCheckedChangeListener() { + + @Override + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + if (!isChecked) { + mSelectKeyserverSpinner.setEnabled(false); + } else { + mSelectKeyserverSpinner.setEnabled(true); + } + } + }); + + View vCertifyButton = view.findViewById(R.id.certify_key_certify_button); + vCertifyButton.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + if (mPubKeyId != 0) { + if (mMasterKeyId == 0) { + Notify.showNotify(mActivity, getString(R.string.select_key_to_certify), + Notify.Style.ERROR); + scrollUp(); + } else { + initiateCertifying(); + } + } + } + }); + + return root; + } + + private void scrollUp() { + mScrollView.post(new Runnable() { + public void run() { + mScrollView.fullScroll(ScrollView.FOCUS_UP); + } + }); + } + + @Override + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + switch (id) { + case LOADER_ID_KEYRING: { + Uri uri = KeyRings.buildUnifiedKeyRingUri(mDataUri); + return new CursorLoader(mActivity, uri, KEYRING_PROJECTION, null, null, null); + } + case LOADER_ID_USER_IDS: { + Uri uri = UserIds.buildUserIdsUri(mDataUri); + return new CursorLoader(mActivity, uri, + UserIdsAdapter.USER_IDS_PROJECTION, USER_IDS_SELECTION, null, null); + } + } + return null; + } + + @Override + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + switch (loader.getId()) { + case LOADER_ID_KEYRING: + // the first key here is our master key + if (data.moveToFirst()) { + mPubKeyId = data.getLong(INDEX_MASTER_KEY_ID); + mCertifyKeySpinner.setHiddenMasterKeyId(mPubKeyId); + String keyIdStr = PgpKeyHelper.convertKeyIdToHex(mPubKeyId); + mInfoKeyId.setText(keyIdStr); + + String mainUserId = data.getString(INDEX_USER_ID); + mInfoPrimaryUserId.setText(mainUserId); + + byte[] fingerprintBlob = data.getBlob(INDEX_FINGERPRINT); + String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob); + mInfoFingerprint.setText(PgpKeyHelper.colorizeFingerprint(fingerprint)); + } + break; + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(data); + break; + } + setContentShown(true, isResumed()); + } + + @Override + public void onLoaderReset(Loader<Cursor> loader) { + switch (loader.getId()) { + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(null); + break; + } + } + + /** + * handles the UI bits of the signing process on the UI thread + */ + private void initiateCertifying() { + // get the user's passphrase for this key (if required) + String passphrase; + try { + passphrase = PassphraseCacheService.getCachedPassphrase(mActivity, mMasterKeyId); + } catch (PassphraseCacheService.KeyNotFoundException e) { + Log.e(Constants.TAG, "Key not found!", e); + mActivity.finish(); + return; + } + if (passphrase == null) { + PassphraseDialogFragment.show(mActivity, mMasterKeyId, + new Handler() { + @Override + public void handleMessage(Message message) { + if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) { + startCertifying(); + } + } + } + ); + // bail out; need to wait until the user has entered the passphrase before trying again + } else { + startCertifying(); + } + } + + /** + * kicks off the actual signing process on a background thread + */ + private void startCertifying() { + // Bail out if there is not at least one user id selected + ArrayList<String> userIds = mUserIdsAdapter.getSelectedUserIds(); + if (userIds.isEmpty()) { + Notify.showNotify(mActivity, "No identities selected!", + Notify.Style.ERROR); + return; + } + + // Send all information needed to service to sign key in other thread + Intent intent = new Intent(mActivity, KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_CERTIFY_KEYRING); + + // fill values for this action + Bundle data = new Bundle(); + + data.putLong(KeychainIntentService.CERTIFY_KEY_MASTER_KEY_ID, mMasterKeyId); + data.putLong(KeychainIntentService.CERTIFY_KEY_PUB_KEY_ID, mPubKeyId); + data.putStringArrayList(KeychainIntentService.CERTIFY_KEY_UIDS, userIds); + + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after signing is done in KeychainIntentService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(mActivity, + getString(R.string.progress_certifying), ProgressDialog.STYLE_SPINNER) { + public void handleMessage(Message message) { + // handle messages by standard KeychainIntentServiceHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + +// Notify.showNotify(CertifyKeyActivity.this, R.string.key_certify_success, +// Notify.Style.INFO); + + OperationResultParcel result = new OperationResultParcel(OperationResultParcel.RESULT_OK, null); + Intent intent = new Intent(); + intent.putExtra(OperationResultParcel.EXTRA_RESULT, result); + mActivity.setResult(CertifyKeyActivity.RESULT_OK, intent); + mActivity.finish(); + + // check if we need to send the key to the server or not + if (mUploadKeyCheckbox.isChecked()) { + // upload the newly signed key to the keyserver + uploadKey(); + } else { + mActivity.setResult(CertifyKeyActivity.RESULT_OK); + mActivity.finish(); + } + } + } + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(saveHandler); + intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + // show progress dialog + saveHandler.showProgressDialog(mActivity); + + // start service with intent + mActivity.startService(intent); + } + + private void uploadKey() { + // Send all information needed to service to upload key in other thread + Intent intent = new Intent(mActivity, KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_UPLOAD_KEYRING); + + // set data uri as path to keyring + Uri blobUri = KeychainContract.KeyRingData.buildPublicKeyRingUri(mDataUri); + intent.setData(blobUri); + + // fill values for this action + Bundle data = new Bundle(); + + String server = (String) mSelectKeyserverSpinner.getSelectedItem(); + data.putString(KeychainIntentService.UPLOAD_KEY_SERVER, server); + + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after uploading is done in KeychainIntentService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(mActivity, + getString(R.string.progress_uploading), ProgressDialog.STYLE_HORIZONTAL) { + public void handleMessage(Message message) { + // handle messages by standard KeychainIntentServiceHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + //Notify.showNotify(CertifyKeyActivity.this, R.string.key_send_success, + //Notify.Style.INFO); + + OperationResultParcel result = new OperationResultParcel(OperationResultParcel.RESULT_OK, null); + Intent intent = new Intent(); + intent.putExtra(OperationResultParcel.EXTRA_RESULT, result); + mActivity.setResult(CertifyKeyActivity.RESULT_OK, intent); + mActivity.finish(); + } + } + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(saveHandler); + intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + // show progress dialog + saveHandler.showProgressDialog(mActivity); + + // start service with intent + mActivity.startService(intent); + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case android.R.id.home: { + Intent viewIntent = NavUtils.getParentActivityIntent(mActivity); + viewIntent.setData(KeyRings.buildGenericKeyRingUri(mDataUri)); + NavUtils.navigateUpTo(mActivity, viewIntent); + return true; + } + } + return super.onOptionsItemSelected(item); + } + +} |