diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintFragment.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintFragment.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintFragment.java new file mode 100644 index 000000000..aef705ee9 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyFingerprintFragment.java @@ -0,0 +1,184 @@ +/* + * Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de> + * + * 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.content.Intent; +import android.database.Cursor; +import android.net.Uri; +import android.os.Bundle; +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.ViewGroup; +import android.widget.TextView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; +import org.sufficientlysecure.keychain.util.Log; + + +public class CertifyFingerprintFragment extends LoaderFragment implements + LoaderManager.LoaderCallbacks<Cursor> { + + public static final String ARG_DATA_URI = "uri"; + + private TextView mFingerprint; + + private static final int LOADER_ID_UNIFIED = 0; + + private Uri mDataUri; + + private View mActionNo; + private View mActionYes; + + /** + * Creates new instance of this fragment + */ + public static CertifyFingerprintFragment newInstance(Uri dataUri) { + CertifyFingerprintFragment frag = new CertifyFingerprintFragment(); + Bundle args = new Bundle(); + args.putParcelable(ARG_DATA_URI, dataUri); + + frag.setArguments(args); + + return frag; + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) { + View root = super.onCreateView(inflater, superContainer, savedInstanceState); + View view = inflater.inflate(R.layout.certify_fingerprint_fragment, getContainer()); + + mActionNo = view.findViewById(R.id.certify_fingerprint_button_no); + mActionYes = view.findViewById(R.id.certify_fingerprint_button_yes); + + mFingerprint = (TextView) view.findViewById(R.id.certify_fingerprint_fingerprint); + + mActionNo.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + getActivity().finish(); + } + }); + mActionYes.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + certify(mDataUri); + } + }); + + return root; + } + + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + Uri dataUri = getArguments().getParcelable(ARG_DATA_URI); + if (dataUri == null) { + Log.e(Constants.TAG, "Data missing. Should be Uri of key!"); + getActivity().finish(); + return; + } + + loadData(dataUri); + } + + private void loadData(Uri dataUri) { + mDataUri = dataUri; + + Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString()); + + // Prepare the loaders. Either re-connect with an existing ones, + // or start new ones. + getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this); + } + + static final String[] UNIFIED_PROJECTION = new String[]{ + KeyRings._ID, KeyRings.FINGERPRINT, + + }; + static final int INDEX_UNIFIED_FINGERPRINT = 1; + + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + setContentShown(false); + switch (id) { + case LOADER_ID_UNIFIED: { + Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri); + return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null); + } + + default: + return null; + } + } + + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + /* TODO better error handling? May cause problems when a key is deleted, + * because the notification triggers faster than the activity closes. + */ + // Avoid NullPointerExceptions... + if (data.getCount() == 0) { + return; + } + // Swap the new cursor in. (The framework will take care of closing the + // old cursor once we return.) + switch (loader.getId()) { + case LOADER_ID_UNIFIED: { + if (data.moveToFirst()) { + + byte[] fingerprintBlob = data.getBlob(INDEX_UNIFIED_FINGERPRINT); + String fingerprint = KeyFormattingUtils.convertFingerprintToHex(fingerprintBlob); + mFingerprint.setText(KeyFormattingUtils.colorizeFingerprint(fingerprint)); + + break; + } + } + + } + setContentShown(true); + } + + /** + * 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) { + } + + private void certify(Uri dataUri) { + long keyId = 0; + try { + keyId = new ProviderHelper(getActivity()) + .getCachedPublicKeyRing(dataUri) + .extractOrGetMasterKeyId(); + } catch (PgpKeyNotFoundException e) { + Log.e(Constants.TAG, "key not found!", e); + } + Intent certifyIntent = new Intent(getActivity(), CertifyKeyActivity.class); + certifyIntent.putExtra(CertifyKeyActivity.EXTRA_KEY_IDS, new long[]{keyId}); + startActivityForResult(certifyIntent, 0); + } + +} |