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 | 393 |
1 files changed, 393 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..94ece06fb --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java @@ -0,0 +1,393 @@ +/* + * 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.Activity; +import android.app.ProgressDialog; +import android.content.Intent; +import android.database.Cursor; +import android.database.MatrixCursor; +import android.graphics.PorterDuff; +import android.net.Uri; +import android.os.Bundle; +import android.os.Message; +import android.os.Messenger; +import android.os.Parcel; +import android.support.v4.app.LoaderManager; +import android.support.v4.content.CursorLoader; +import android.support.v4.content.Loader; +import android.view.LayoutInflater; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.CheckBox; +import android.widget.ImageView; +import android.widget.ListView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.operations.results.CertifyResult; +import org.sufficientlysecure.keychain.operations.results.OperationResult; +import org.sufficientlysecure.keychain.pgp.KeyRing; +import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException; +import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds; +import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.service.CertifyActionsParcel; +import org.sufficientlysecure.keychain.service.CertifyActionsParcel.CertifyAction; +import org.sufficientlysecure.keychain.service.KeychainIntentService; +import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.service.PassphraseCacheService; +import org.sufficientlysecure.keychain.ui.adapter.MultiUserIdsAdapter; +import org.sufficientlysecure.keychain.ui.util.Notify; +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.Preferences; + +import java.util.ArrayList; + +public class CertifyKeyFragment extends LoaderFragment + implements LoaderManager.LoaderCallbacks<Cursor> { + + public static final int REQUEST_CODE_PASSPHRASE = 0x00008001; + + private CheckBox mUploadKeyCheckbox; + ListView mUserIds; + + private CertifyKeySpinner mCertifyKeySpinner; + + private long[] mPubMasterKeyIds; + + private long mSignMasterKeyId = Constants.key.none; + + public static final String[] USER_IDS_PROJECTION = new String[]{ + UserIds._ID, + UserIds.MASTER_KEY_ID, + UserIds.USER_ID, + UserIds.IS_PRIMARY, + UserIds.IS_REVOKED + }; + private static final int INDEX_MASTER_KEY_ID = 1; + private static final int INDEX_USER_ID = 2; + private static final int INDEX_IS_PRIMARY = 3; + private static final int INDEX_IS_REVOKED = 4; + + private MultiUserIdsAdapter mUserIdsAdapter; + + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + // Start out with a progress indicator. + setContentShown(false); + + mPubMasterKeyIds = getActivity().getIntent().getLongArrayExtra(CertifyKeyActivity.EXTRA_KEY_IDS); + if (mPubMasterKeyIds == null) { + Log.e(Constants.TAG, "List of key ids to certify missing!"); + getActivity().finish(); + return; + } + + // preselect certify key id if given + long certifyKeyId = getActivity().getIntent().getLongExtra(CertifyKeyActivity.EXTRA_CERTIFY_KEY_ID, Constants.key.none); + if (certifyKeyId != Constants.key.none) { + try { + CachedPublicKeyRing key = (new ProviderHelper(getActivity())).getCachedPublicKeyRing(certifyKeyId); + if (key.canCertify()) { + mCertifyKeySpinner.setSelectedKeyId(certifyKeyId); + } + } catch (PgpKeyNotFoundException e) { + Log.e(Constants.TAG, "certify certify check failed", e); + } + } + + mUserIdsAdapter = new MultiUserIdsAdapter(getActivity(), null, 0); + mUserIds.setAdapter(mUserIdsAdapter); + mUserIds.setDividerHeight(0); + + getLoaderManager().initLoader(0, null, this); + + OperationResult result = getActivity().getIntent().getParcelableExtra(CertifyKeyActivity.EXTRA_RESULT); + if (result != null) { + // display result from import + result.createNotify(getActivity()).show(); + } + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) { + View root = super.onCreateView(inflater, superContainer, savedInstanceState); + + View view = inflater.inflate(R.layout.certify_key_fragment, getContainer()); + + mCertifyKeySpinner = (CertifyKeySpinner) view.findViewById(R.id.certify_key_spinner); + mUploadKeyCheckbox = (CheckBox) view.findViewById(R.id.sign_key_upload_checkbox); + mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids); + + // 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) { + mSignMasterKeyId = masterKeyId; + } + }); + + View vCertifyButton = view.findViewById(R.id.certify_key_certify_button); + vCertifyButton.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + if (mSignMasterKeyId == Constants.key.none) { + Notify.showNotify(getActivity(), getString(R.string.select_key_to_certify), + Notify.Style.ERROR); + } else { + initiateCertifying(); + } + } + }); + + // If this is a debug build, don't upload by default + if (Constants.DEBUG) { + mUploadKeyCheckbox.setChecked(false); + } + + return root; + } + + @Override + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + Uri uri = UserIds.buildUserIdsUri(); + + String selection, ids[]; + { + // generate placeholders and string selection args + ids = new String[mPubMasterKeyIds.length]; + StringBuilder placeholders = new StringBuilder("?"); + for (int i = 0; i < mPubMasterKeyIds.length; i++) { + ids[i] = Long.toString(mPubMasterKeyIds[i]); + if (i != 0) { + placeholders.append(",?"); + } + } + // put together selection string + selection = UserIds.IS_REVOKED + " = 0" + " AND " + + Tables.USER_IDS + "." + UserIds.MASTER_KEY_ID + + " IN (" + placeholders + ")"; + } + + return new CursorLoader(getActivity(), uri, + USER_IDS_PROJECTION, selection, ids, + Tables.USER_IDS + "." + UserIds.MASTER_KEY_ID + " ASC" + + ", " + Tables.USER_IDS + "." + UserIds.USER_ID + " ASC" + ); + } + + @Override + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + + MatrixCursor matrix = new MatrixCursor(new String[]{ + "_id", "user_data", "grouped" + }); + data.moveToFirst(); + + long lastMasterKeyId = 0; + String lastName = ""; + ArrayList<String> uids = new ArrayList<String>(); + + boolean header = true; + + // Iterate over all rows + while (!data.isAfterLast()) { + long masterKeyId = data.getLong(INDEX_MASTER_KEY_ID); + String userId = data.getString(INDEX_USER_ID); + String[] pieces = KeyRing.splitUserId(userId); + + // Two cases: + + boolean grouped = masterKeyId == lastMasterKeyId; + boolean subGrouped = data.isFirst() || grouped && lastName.equals(pieces[0]); + // Remember for next loop + lastName = pieces[0]; + + Log.d(Constants.TAG, Long.toString(masterKeyId, 16) + (grouped ? "grouped" : "not grouped")); + + if (!subGrouped) { + // 1. This name should NOT be grouped with the previous, so we flush the buffer + + Parcel p = Parcel.obtain(); + p.writeStringList(uids); + byte[] d = p.marshall(); + p.recycle(); + + matrix.addRow(new Object[]{ + lastMasterKeyId, d, header ? 1 : 0 + }); + // indicate that we have a header for this masterKeyId + header = false; + + // Now clear the buffer, and add the new user id, for the next round + uids.clear(); + + } + + // 2. This name should be grouped with the previous, just add to buffer + uids.add(userId); + lastMasterKeyId = masterKeyId; + + // If this one wasn't grouped, the next one's gotta be a header + if (!grouped) { + header = true; + } + + // Regardless of the outcome, move to next entry + data.moveToNext(); + + } + + // If there is anything left in the buffer, flush it one last time + if (!uids.isEmpty()) { + + Parcel p = Parcel.obtain(); + p.writeStringList(uids); + byte[] d = p.marshall(); + p.recycle(); + + matrix.addRow(new Object[]{ + lastMasterKeyId, d, header ? 1 : 0 + }); + + } + + mUserIdsAdapter.swapCursor(matrix); + setContentShown(true, isResumed()); + } + + @Override + public void onLoaderReset(Loader<Cursor> loader) { + mUserIdsAdapter.swapCursor(null); + } + + /** + * 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(getActivity(), mSignMasterKeyId, mSignMasterKeyId); + } catch (PassphraseCacheService.KeyNotFoundException e) { + Log.e(Constants.TAG, "Key not found!", e); + getActivity().finish(); + return; + } + if (passphrase == null) { + Intent intent = new Intent(getActivity(), PassphraseDialogActivity.class); + intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, mSignMasterKeyId); + startActivityForResult(intent, REQUEST_CODE_PASSPHRASE); + // bail out; need to wait until the user has entered the passphrase before trying again + } else { + startCertifying(); + } + } + + + @Override + public void onActivityResult(int requestCode, int resultCode, Intent data) { + switch (requestCode) { + case REQUEST_CODE_PASSPHRASE: { + if (resultCode == Activity.RESULT_OK && data != null) { + String passphrase = data.getStringExtra(PassphraseDialogActivity.MESSAGE_DATA_PASSPHRASE); + startCertifying(); + } + return; + } + + default: { + super.onActivityResult(requestCode, resultCode, data); + } + } + } + + /** + * 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<CertifyAction> certifyActions = mUserIdsAdapter.getSelectedCertifyActions(); + if (certifyActions.isEmpty()) { + Notify.showNotify(getActivity(), "No identities selected!", + Notify.Style.ERROR); + return; + } + + // Send all information needed to service to sign key in other thread + Intent intent = new Intent(getActivity(), KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_CERTIFY_KEYRING); + + // fill values for this action + CertifyActionsParcel parcel = new CertifyActionsParcel(mSignMasterKeyId); + parcel.mCertifyActions.addAll(certifyActions); + + Bundle data = new Bundle(); + data.putParcelable(KeychainIntentService.CERTIFY_PARCEL, parcel); + if (mUploadKeyCheckbox.isChecked()) { + String keyserver = Preferences.getPreferences(getActivity()).getPreferredKeyserver(); + data.putString(KeychainIntentService.UPLOAD_KEY_SERVER, keyserver); + } + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after signing is done in KeychainIntentService + KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(getActivity(), + getString(R.string.progress_certifying), ProgressDialog.STYLE_SPINNER, true) { + public void handleMessage(Message message) { + // handle messages by standard KeychainIntentServiceHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + Bundle data = message.getData(); + CertifyResult result = data.getParcelable(CertifyResult.EXTRA_RESULT); + + Intent intent = new Intent(); + intent.putExtra(CertifyResult.EXTRA_RESULT, result); + getActivity().setResult(Activity.RESULT_OK, intent); + getActivity().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(getActivity()); + + // start service with intent + getActivity().startService(intent); + } + +} |