diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvMainFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvMainFragment.java | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvMainFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvMainFragment.java new file mode 100644 index 000000000..8bab5e3bf --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyAdvMainFragment.java @@ -0,0 +1,350 @@ +/* + * Copyright (C) 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.content.Intent; +import android.database.Cursor; +import android.graphics.PorterDuff; +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.AdapterView; +import android.widget.ImageView; +import android.widget.ListView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround; +import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException; +import org.sufficientlysecure.keychain.provider.KeychainContract; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException; +import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter; +import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment; +import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; +import org.sufficientlysecure.keychain.ui.util.Notify; +import org.sufficientlysecure.keychain.util.Log; + +import java.util.Date; + +public class ViewKeyAdvMainFragment extends LoaderFragment implements + LoaderManager.LoaderCallbacks<Cursor> { + + public static final String ARG_DATA_URI = "uri"; + + private View mActionEdit; + private View mActionEditDivider; + private View mActionEncryptFiles; + private View mActionEncryptText; + private View mActionEncryptTextText; + private View mActionCertify; + private View mActionCertifyText; + private ImageView mActionCertifyImage; + private View mActionUpdate; + + private ListView mUserIds; + + private static final int LOADER_ID_UNIFIED = 0; + private static final int LOADER_ID_USER_IDS = 1; + + // conservative attitude + private boolean mHasEncrypt = true; + + private UserIdsAdapter mUserIdsAdapter; + + private Uri mDataUri; + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) { + View root = super.onCreateView(inflater, superContainer, savedInstanceState); + View view = inflater.inflate(R.layout.view_key_main_fragment, getContainer()); + + mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids); + mActionEdit = view.findViewById(R.id.view_key_action_edit); + mActionEditDivider = view.findViewById(R.id.view_key_action_edit_divider); + mActionEncryptText = view.findViewById(R.id.view_key_action_encrypt_text); + mActionEncryptTextText = view.findViewById(R.id.view_key_action_encrypt_text_text); + mActionEncryptFiles = view.findViewById(R.id.view_key_action_encrypt_files); + mActionCertify = view.findViewById(R.id.view_key_action_certify); + mActionCertifyText = view.findViewById(R.id.view_key_action_certify_text); + mActionCertifyImage = (ImageView) view.findViewById(R.id.view_key_action_certify_image); + // make certify image gray, like action icons + mActionCertifyImage.setColorFilter(getResources().getColor(R.color.tertiary_text_light), + PorterDuff.Mode.SRC_IN); + mActionUpdate = view.findViewById(R.id.view_key_action_update); + + mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() { + @Override + public void onItemClick(AdapterView<?> parent, View view, int position, long id) { + showUserIdInfo(position); + } + }); + + return root; + } + + private void showUserIdInfo(final int position) { + final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position); + final int isVerified = mUserIdsAdapter.getIsVerified(position); + + DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() { + public void run() { + UserIdInfoDialogFragment dialogFragment = + UserIdInfoDialogFragment.newInstance(isRevoked, isVerified); + + dialogFragment.show(getActivity().getSupportFragmentManager(), "userIdInfoDialog"); + } + }); + } + + @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()); + + mActionEncryptFiles.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + encrypt(mDataUri, false); + } + }); + mActionEncryptText.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + encrypt(mDataUri, true); + } + }); + mActionCertify.setOnClickListener(new View.OnClickListener() { + public void onClick(View view) { + certify(mDataUri); + } + }); + mActionEdit.setOnClickListener(new View.OnClickListener() { + public void onClick(View view) { + editKey(mDataUri); + } + }); + mActionUpdate.setOnClickListener(new View.OnClickListener() { + public void onClick(View view) { + try { + updateFromKeyserver(mDataUri, new ProviderHelper(getActivity())); + } catch (NotFoundException e) { + Notify.showNotify(getActivity(), R.string.error_key_not_found, Notify.Style.ERROR); + } + } + }); + + mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0); + mUserIds.setAdapter(mUserIdsAdapter); + + // Prepare the loaders. Either re-connect with an existing ones, + // or start new ones. + getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this); + getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this); + } + + static final String[] UNIFIED_PROJECTION = new String[]{ + KeyRings._ID, KeyRings.MASTER_KEY_ID, + KeyRings.HAS_ANY_SECRET, KeyRings.IS_REVOKED, KeyRings.EXPIRY, KeyRings.HAS_ENCRYPT + }; + static final int INDEX_UNIFIED_MASTER_KEY_ID = 1; + static final int INDEX_UNIFIED_HAS_ANY_SECRET = 2; + static final int INDEX_UNIFIED_IS_REVOKED = 3; + static final int INDEX_UNIFIED_EXPIRY = 4; + static final int INDEX_UNIFIED_HAS_ENCRYPT = 5; + + 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); + } + case LOADER_ID_USER_IDS: { + Uri baseUri = UserPackets.buildUserIdsUri(mDataUri); + return new CursorLoader(getActivity(), baseUri, + UserIdsAdapter.USER_IDS_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()) { + if (data.getInt(INDEX_UNIFIED_HAS_ANY_SECRET) != 0) { + // edit button + mActionEdit.setVisibility(View.VISIBLE); + mActionEditDivider.setVisibility(View.VISIBLE); + } else { + // edit button + mActionEdit.setVisibility(View.GONE); + mActionEditDivider.setVisibility(View.GONE); + } + + // If this key is revoked, it cannot be used for anything! + if (data.getInt(INDEX_UNIFIED_IS_REVOKED) != 0) { + mActionEdit.setEnabled(false); + mActionCertify.setEnabled(false); + mActionCertifyText.setEnabled(false); + mActionEncryptText.setEnabled(false); + mActionEncryptTextText.setEnabled(false); + mActionEncryptFiles.setEnabled(false); + } else { + mActionEdit.setEnabled(true); + + Date expiryDate = new Date(data.getLong(INDEX_UNIFIED_EXPIRY) * 1000); + if (!data.isNull(INDEX_UNIFIED_EXPIRY) && expiryDate.before(new Date())) { + mActionCertify.setEnabled(false); + mActionCertifyText.setEnabled(false); + mActionEncryptText.setEnabled(false); + mActionEncryptTextText.setEnabled(false); + mActionEncryptFiles.setEnabled(false); + } else { + mActionCertify.setEnabled(true); + mActionCertifyText.setEnabled(true); + mActionEncryptText.setEnabled(true); + mActionEncryptTextText.setEnabled(true); + mActionEncryptFiles.setEnabled(true); + } + } + + mHasEncrypt = data.getInt(INDEX_UNIFIED_HAS_ENCRYPT) != 0; + + break; + } + } + + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(data); + 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) { + switch (loader.getId()) { + case LOADER_ID_USER_IDS: + mUserIdsAdapter.swapCursor(null); + break; + } + } + + private void encrypt(Uri dataUri, boolean text) { + // If there is no encryption key, don't bother. + if (!mHasEncrypt) { + Notify.showNotify(getActivity(), R.string.error_no_encrypt_subkey, Notify.Style.ERROR); + return; + } + try { + long keyId = new ProviderHelper(getActivity()) + .getCachedPublicKeyRing(dataUri) + .extractOrGetMasterKeyId(); + long[] encryptionKeyIds = new long[]{keyId}; + Intent intent; + if (text) { + intent = new Intent(getActivity(), EncryptTextActivity.class); + intent.setAction(EncryptTextActivity.ACTION_ENCRYPT_TEXT); + intent.putExtra(EncryptTextActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds); + } else { + intent = new Intent(getActivity(), EncryptFilesActivity.class); + intent.setAction(EncryptFilesActivity.ACTION_ENCRYPT_DATA); + intent.putExtra(EncryptFilesActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds); + } + // used instead of startActivity set actionbar based on callingPackage + startActivityForResult(intent, 0); + } catch (PgpKeyNotFoundException e) { + Log.e(Constants.TAG, "key not found!", e); + } + } + + private void updateFromKeyserver(Uri dataUri, ProviderHelper providerHelper) + throws ProviderHelper.NotFoundException { + byte[] blob = (byte[]) providerHelper.getGenericData( + KeychainContract.KeyRings.buildUnifiedKeyRingUri(dataUri), + KeychainContract.Keys.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB); + String fingerprint = KeyFormattingUtils.convertFingerprintToHex(blob); + + Intent queryIntent = new Intent(getActivity(), ImportKeysActivity.class); + queryIntent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN_RESULT); + queryIntent.putExtra(ImportKeysActivity.EXTRA_FINGERPRINT, fingerprint); + + startActivityForResult(queryIntent, 0); + } + + 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); + } + + private void editKey(Uri dataUri) { + Intent editIntent = new Intent(getActivity(), EditKeyActivity.class); + editIntent.setData(KeychainContract.KeyRingData.buildSecretKeyRingUri(dataUri)); + startActivityForResult(editIntent, 0); + } + +} |