881a50207a
Conflicts: .gitmodules OpenKeychain/build.gradle OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java extern/openpgp-api-lib settings.gradle
775 lines
33 KiB
Java
775 lines
33 KiB
Java
/*
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* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.service;
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import android.app.IntentService;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.RemoteException;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.helper.FileHelper;
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import org.sufficientlysecure.keychain.helper.OtherHelper;
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import org.sufficientlysecure.keychain.helper.Preferences;
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import org.sufficientlysecure.keychain.keyimport.HkpKeyserver;
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import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
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import org.sufficientlysecure.keychain.keyimport.KeybaseKeyserver;
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import org.sufficientlysecure.keychain.keyimport.Keyserver;
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import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKeyRing;
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import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
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import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
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import org.sufficientlysecure.keychain.pgp.PgpHelper;
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import org.sufficientlysecure.keychain.pgp.PgpImportExport;
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import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
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import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
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import org.sufficientlysecure.keychain.pgp.Progressable;
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import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
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import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralMsgIdException;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainDatabase;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.service.OperationResults.EditKeyResult;
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import org.sufficientlysecure.keychain.service.OperationResults.ImportKeyResult;
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import org.sufficientlysecure.keychain.util.FileImportCache;
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import org.sufficientlysecure.keychain.util.InputData;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.ProgressScaler;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* This Service contains all important long lasting operations for APG. It receives Intents with
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* data from the activities or other apps, queues these intents, executes them, and stops itself
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* after doing them.
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*/
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public class KeychainIntentService extends IntentService
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implements Progressable, PgpImportExport.KeychainServiceListener {
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/* extras that can be given by intent */
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public static final String EXTRA_MESSENGER = "messenger";
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public static final String EXTRA_DATA = "data";
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/* possible actions */
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public static final String ACTION_ENCRYPT_SIGN = Constants.INTENT_PREFIX + "ENCRYPT_SIGN";
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public static final String ACTION_DECRYPT_VERIFY = Constants.INTENT_PREFIX + "DECRYPT_VERIFY";
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public static final String ACTION_SAVE_KEYRING = Constants.INTENT_PREFIX + "SAVE_KEYRING";
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public static final String ACTION_DELETE_FILE_SECURELY = Constants.INTENT_PREFIX
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+ "DELETE_FILE_SECURELY";
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public static final String ACTION_IMPORT_KEYRING = Constants.INTENT_PREFIX + "IMPORT_KEYRING";
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public static final String ACTION_EXPORT_KEYRING = Constants.INTENT_PREFIX + "EXPORT_KEYRING";
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public static final String ACTION_UPLOAD_KEYRING = Constants.INTENT_PREFIX + "UPLOAD_KEYRING";
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public static final String ACTION_DOWNLOAD_AND_IMPORT_KEYS = Constants.INTENT_PREFIX + "QUERY_KEYRING";
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public static final String ACTION_IMPORT_KEYBASE_KEYS = Constants.INTENT_PREFIX + "DOWNLOAD_KEYBASE";
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public static final String ACTION_CERTIFY_KEYRING = Constants.INTENT_PREFIX + "SIGN_KEYRING";
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/* keys for data bundle */
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// encrypt, decrypt, import export
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public static final String TARGET = "target";
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public static final String SOURCE = "source";
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// possible targets:
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public static final int IO_BYTES = 1;
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public static final int IO_URI = 2;
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public static final int IO_URIS = 3;
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public static final String SELECTED_URI = "selected_uri";
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// encrypt
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public static final String ENCRYPT_SIGNATURE_KEY_ID = "secret_key_id";
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public static final String ENCRYPT_USE_ASCII_ARMOR = "use_ascii_armor";
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public static final String ENCRYPT_ENCRYPTION_KEYS_IDS = "encryption_keys_ids";
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public static final String ENCRYPT_COMPRESSION_ID = "compression_id";
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public static final String ENCRYPT_MESSAGE_BYTES = "message_bytes";
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public static final String ENCRYPT_INPUT_FILE = "input_file";
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public static final String ENCRYPT_INPUT_URI = "input_uri";
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public static final String ENCRYPT_INPUT_URIS = "input_uris";
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public static final String ENCRYPT_OUTPUT_FILE = "output_file";
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public static final String ENCRYPT_OUTPUT_URI = "output_uri";
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public static final String ENCRYPT_OUTPUT_URIS = "output_uris";
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public static final String ENCRYPT_SYMMETRIC_PASSPHRASE = "passphrase";
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// decrypt/verify
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public static final String DECRYPT_CIPHERTEXT_BYTES = "ciphertext_bytes";
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public static final String DECRYPT_PASSPHRASE = "passphrase";
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// save keyring
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public static final String SAVE_KEYRING_PARCEL = "save_parcel";
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public static final String SAVE_KEYRING_PASSPHRASE = "passphrase";
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// delete file securely
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public static final String DELETE_FILE = "deleteFile";
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// import key
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public static final String IMPORT_KEY_LIST = "import_key_list";
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// export key
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public static final String EXPORT_OUTPUT_STREAM = "export_output_stream";
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public static final String EXPORT_FILENAME = "export_filename";
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public static final String EXPORT_URI = "export_uri";
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public static final String EXPORT_SECRET = "export_secret";
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public static final String EXPORT_ALL = "export_all";
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public static final String EXPORT_KEY_RING_MASTER_KEY_ID = "export_key_ring_id";
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// upload key
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public static final String UPLOAD_KEY_SERVER = "upload_key_server";
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// query key
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public static final String DOWNLOAD_KEY_SERVER = "query_key_server";
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public static final String DOWNLOAD_KEY_LIST = "query_key_id";
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// sign key
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public static final String CERTIFY_KEY_MASTER_KEY_ID = "sign_key_master_key_id";
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public static final String CERTIFY_KEY_PUB_KEY_ID = "sign_key_pub_key_id";
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public static final String CERTIFY_KEY_UIDS = "sign_key_uids";
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/*
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* possible data keys as result send over messenger
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*/
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// encrypt
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public static final String RESULT_BYTES = "encrypted_data";
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// decrypt/verify
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public static final String RESULT_DECRYPTED_BYTES = "decrypted_data";
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public static final String RESULT_DECRYPT_VERIFY_RESULT = "signature";
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// export
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public static final String RESULT_EXPORT = "exported";
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public static final String RESULT_IMPORT = "result";
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Messenger mMessenger;
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private boolean mIsCanceled;
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public KeychainIntentService() {
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super("KeychainIntentService");
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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this.mIsCanceled = true;
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}
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/**
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* The IntentService calls this method from the default worker thread with the intent that
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* started the service. When this method returns, IntentService stops the service, as
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* appropriate.
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*/
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@Override
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protected void onHandleIntent(Intent intent) {
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Bundle extras = intent.getExtras();
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if (extras == null) {
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Log.e(Constants.TAG, "Extras bundle is null!");
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return;
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}
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if (!(extras.containsKey(EXTRA_MESSENGER) || extras.containsKey(EXTRA_DATA) || (intent
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.getAction() == null))) {
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Log.e(Constants.TAG,
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"Extra bundle must contain a messenger, a data bundle, and an action!");
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return;
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}
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Uri dataUri = intent.getData();
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mMessenger = (Messenger) extras.get(EXTRA_MESSENGER);
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Bundle data = extras.getBundle(EXTRA_DATA);
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if (data == null) {
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Log.e(Constants.TAG, "data extra is null!");
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return;
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}
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OtherHelper.logDebugBundle(data, "EXTRA_DATA");
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String action = intent.getAction();
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// executeServiceMethod action from extra bundle
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if (ACTION_ENCRYPT_SIGN.equals(action)) {
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try {
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/* Input */
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int source = data.get(SOURCE) != null ? data.getInt(SOURCE) : data.getInt(TARGET);
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Bundle resultData = new Bundle();
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long signatureKeyId = data.getLong(ENCRYPT_SIGNATURE_KEY_ID);
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String symmetricPassphrase = data.getString(ENCRYPT_SYMMETRIC_PASSPHRASE);
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boolean useAsciiArmor = data.getBoolean(ENCRYPT_USE_ASCII_ARMOR);
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long encryptionKeyIds[] = data.getLongArray(ENCRYPT_ENCRYPTION_KEYS_IDS);
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int compressionId = data.getInt(ENCRYPT_COMPRESSION_ID);
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int urisCount = data.containsKey(ENCRYPT_INPUT_URIS) ? data.getParcelableArrayList(ENCRYPT_INPUT_URIS).size() : 1;
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for (int i = 0; i < urisCount; i++) {
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data.putInt(SELECTED_URI, i);
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InputData inputData = createEncryptInputData(data);
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OutputStream outStream = createCryptOutputStream(data);
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/* Operation */
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PgpSignEncrypt.Builder builder =
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new PgpSignEncrypt.Builder(
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new ProviderHelper(this),
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PgpHelper.getFullVersion(this),
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inputData, outStream);
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builder.setProgressable(this);
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builder.setEnableAsciiArmorOutput(useAsciiArmor)
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.setCompressionId(compressionId)
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.setSymmetricEncryptionAlgorithm(
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Preferences.getPreferences(this).getDefaultEncryptionAlgorithm())
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.setEncryptionMasterKeyIds(encryptionKeyIds)
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.setSymmetricPassphrase(symmetricPassphrase)
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.setSignatureMasterKeyId(signatureKeyId)
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.setEncryptToSigner(true)
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.setSignatureHashAlgorithm(
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Preferences.getPreferences(this).getDefaultHashAlgorithm())
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.setSignaturePassphrase(
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PassphraseCacheService.getCachedPassphrase(this, signatureKeyId));
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// this assumes that the bytes are cleartext (valid for current implementation!)
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if (source == IO_BYTES) {
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builder.setCleartextInput(true);
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}
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builder.build().execute();
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outStream.close();
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/* Output */
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finalizeEncryptOutputStream(data, resultData, outStream);
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}
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OtherHelper.logDebugBundle(resultData, "resultData");
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sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
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} catch (Exception e) {
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sendErrorToHandler(e);
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}
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} else if (ACTION_DECRYPT_VERIFY.equals(action)) {
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try {
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/* Input */
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String passphrase = data.getString(DECRYPT_PASSPHRASE);
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InputData inputData = createDecryptInputData(data);
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OutputStream outStream = createCryptOutputStream(data);
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/* Operation */
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Bundle resultData = new Bundle();
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// verifyText and decrypt returning additional resultData values for the
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// verification of signatures
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PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
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new ProviderHelper(this),
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new PgpDecryptVerify.PassphraseCache() {
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@Override
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public String getCachedPassphrase(long masterKeyId) {
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return PassphraseCacheService.getCachedPassphrase(
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KeychainIntentService.this, masterKeyId);
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}
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},
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inputData, outStream);
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builder.setProgressable(this);
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builder.setAllowSymmetricDecryption(true)
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.setPassphrase(passphrase);
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PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
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outStream.close();
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resultData.putParcelable(RESULT_DECRYPT_VERIFY_RESULT, decryptVerifyResult);
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/* Output */
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finalizeDecryptOutputStream(data, resultData, outStream);
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OtherHelper.logDebugBundle(resultData, "resultData");
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sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
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} catch (Exception e) {
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sendErrorToHandler(e);
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}
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} else if (ACTION_SAVE_KEYRING.equals(action)) {
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try {
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/* Input */
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SaveKeyringParcel saveParcel = data.getParcelable(SAVE_KEYRING_PARCEL);
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if (saveParcel == null) {
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Log.e(Constants.TAG, "bug: missing save_keyring_parcel in data!");
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return;
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}
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/* Operation */
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ProviderHelper providerHelper = new ProviderHelper(this);
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PgpKeyOperation keyOperations = new PgpKeyOperation(new ProgressScaler(this, 10, 60, 100));
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EditKeyResult result;
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if (saveParcel.mMasterKeyId != null) {
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String passphrase = data.getString(SAVE_KEYRING_PASSPHRASE);
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CanonicalizedSecretKeyRing secRing =
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providerHelper.getCanonicalizedSecretKeyRing(saveParcel.mMasterKeyId);
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result = keyOperations.modifySecretKeyRing(secRing, saveParcel, passphrase);
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} else {
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result = keyOperations.createSecretKeyRing(saveParcel);
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}
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UncachedKeyRing ring = result.getRing();
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providerHelper.saveSecretKeyRing(ring, new ProgressScaler(this, 60, 95, 100));
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// cache new passphrase
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if (saveParcel.mNewPassphrase != null) {
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PassphraseCacheService.addCachedPassphrase(this, ring.getMasterKeyId(),
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saveParcel.mNewPassphrase, ring.getPublicKey().getPrimaryUserIdWithFallback());
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}
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setProgress(R.string.progress_done, 100, 100);
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/* Output */
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sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, result);
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} catch (Exception e) {
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sendErrorToHandler(e);
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}
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} else if (ACTION_DELETE_FILE_SECURELY.equals(action)) {
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try {
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/* Input */
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String deleteFile = data.getString(DELETE_FILE);
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/* Operation */
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try {
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PgpHelper.deleteFileSecurely(this, this, new File(deleteFile));
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} catch (FileNotFoundException e) {
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throw new PgpGeneralException(
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getString(R.string.error_file_not_found, deleteFile));
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} catch (IOException e) {
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throw new PgpGeneralException(getString(R.string.error_file_delete_failed,
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deleteFile));
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}
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/* Output */
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sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY);
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} catch (Exception e) {
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sendErrorToHandler(e);
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}
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} else if (ACTION_IMPORT_KEYRING.equals(action)) {
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try {
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List<ParcelableKeyRing> entries;
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if (data.containsKey(IMPORT_KEY_LIST)) {
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// get entries from intent
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entries = data.getParcelableArrayList(IMPORT_KEY_LIST);
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} else {
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// get entries from cached file
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FileImportCache<ParcelableKeyRing> cache =
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new FileImportCache<ParcelableKeyRing>(this);
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entries = cache.readCacheIntoList();
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}
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PgpImportExport pgpImportExport = new PgpImportExport(this, this);
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ImportKeyResult result = pgpImportExport.importKeyRings(entries);
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Bundle resultData = new Bundle();
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resultData.putParcelable(RESULT_IMPORT, result);
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sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
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} catch (Exception e) {
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sendErrorToHandler(e);
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}
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} else if (ACTION_EXPORT_KEYRING.equals(action)) {
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try {
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boolean exportSecret = data.getBoolean(EXPORT_SECRET, false);
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long[] masterKeyIds = data.getLongArray(EXPORT_KEY_RING_MASTER_KEY_ID);
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String outputFile = data.getString(EXPORT_FILENAME);
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Uri outputUri = data.getParcelable(EXPORT_URI);
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// If not exporting all keys get the masterKeyIds of the keys to export from the intent
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boolean exportAll = data.getBoolean(EXPORT_ALL);
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if (outputFile != null) {
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// check if storage is ready
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if (!FileHelper.isStorageMounted(outputFile)) {
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throw new PgpGeneralException(getString(R.string.error_external_storage_not_ready));
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}
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}
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ArrayList<Long> publicMasterKeyIds = new ArrayList<Long>();
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ArrayList<Long> secretMasterKeyIds = new ArrayList<Long>();
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String selection = null;
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if (!exportAll) {
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selection = KeychainDatabase.Tables.KEYS + "." + KeyRings.MASTER_KEY_ID + " IN( ";
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for (long l : masterKeyIds) {
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selection += Long.toString(l) + ",";
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}
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selection = selection.substring(0, selection.length() - 1) + " )";
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}
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Cursor cursor = getContentResolver().query(KeyRings.buildUnifiedKeyRingsUri(),
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new String[]{KeyRings.MASTER_KEY_ID, KeyRings.HAS_ANY_SECRET},
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selection, null, null);
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try {
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if (cursor != null && cursor.moveToFirst()) do {
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// export public either way
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publicMasterKeyIds.add(cursor.getLong(0));
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// add secret if available (and requested)
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if (exportSecret && cursor.getInt(1) != 0)
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secretMasterKeyIds.add(cursor.getLong(0));
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} while (cursor.moveToNext());
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} finally {
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if (cursor != null) {
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cursor.close();
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}
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}
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OutputStream outStream;
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if (outputFile != null) {
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outStream = new FileOutputStream(outputFile);
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} else {
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outStream = getContentResolver().openOutputStream(outputUri);
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}
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PgpImportExport pgpImportExport = new PgpImportExport(this, this, this);
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Bundle resultData = pgpImportExport
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|
.exportKeyRings(publicMasterKeyIds, secretMasterKeyIds,
|
|
outStream);
|
|
|
|
if (mIsCanceled && outputFile != null) {
|
|
new File(outputFile).delete();
|
|
}
|
|
|
|
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
|
|
} catch (Exception e) {
|
|
sendErrorToHandler(e);
|
|
}
|
|
} else if (ACTION_UPLOAD_KEYRING.equals(action)) {
|
|
try {
|
|
|
|
/* Input */
|
|
String keyServer = data.getString(UPLOAD_KEY_SERVER);
|
|
// and dataUri!
|
|
|
|
/* Operation */
|
|
HkpKeyserver server = new HkpKeyserver(keyServer);
|
|
|
|
ProviderHelper providerHelper = new ProviderHelper(this);
|
|
CanonicalizedPublicKeyRing keyring = providerHelper.getCanonicalizedPublicKeyRing(dataUri);
|
|
PgpImportExport pgpImportExport = new PgpImportExport(this, null);
|
|
|
|
boolean uploaded = pgpImportExport.uploadKeyRingToServer(server, keyring);
|
|
if (!uploaded) {
|
|
throw new PgpGeneralException("Unable to export key to selected server");
|
|
}
|
|
|
|
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY);
|
|
} catch (Exception e) {
|
|
sendErrorToHandler(e);
|
|
}
|
|
} else if (ACTION_DOWNLOAD_AND_IMPORT_KEYS.equals(action) || ACTION_IMPORT_KEYBASE_KEYS.equals(action)) {
|
|
try {
|
|
ArrayList<ImportKeysListEntry> entries = data.getParcelableArrayList(DOWNLOAD_KEY_LIST);
|
|
|
|
// this downloads the keys and places them into the ImportKeysListEntry entries
|
|
String keyServer = data.getString(DOWNLOAD_KEY_SERVER);
|
|
|
|
ArrayList<ParcelableKeyRing> keyRings = new ArrayList<ParcelableKeyRing>(entries.size());
|
|
for (ImportKeysListEntry entry : entries) {
|
|
|
|
Keyserver server;
|
|
if (entry.getOrigin() == null) {
|
|
server = new HkpKeyserver(keyServer);
|
|
} else if (KeybaseKeyserver.ORIGIN.equals(entry.getOrigin())) {
|
|
server = new KeybaseKeyserver();
|
|
} else {
|
|
server = new HkpKeyserver(entry.getOrigin());
|
|
}
|
|
|
|
// if available use complete fingerprint for get request
|
|
byte[] downloadedKeyBytes;
|
|
if (KeybaseKeyserver.ORIGIN.equals(entry.getOrigin())) {
|
|
downloadedKeyBytes = server.get(entry.getExtraData()).getBytes();
|
|
} else if (entry.getFingerprintHex() != null) {
|
|
downloadedKeyBytes = server.get("0x" + entry.getFingerprintHex()).getBytes();
|
|
} else {
|
|
downloadedKeyBytes = server.get(entry.getKeyIdHex()).getBytes();
|
|
}
|
|
|
|
// save key bytes in entry object for doing the
|
|
// actual import afterwards
|
|
keyRings.add(new ParcelableKeyRing(downloadedKeyBytes, entry.getFingerprintHex()));
|
|
}
|
|
|
|
Intent importIntent = new Intent(this, KeychainIntentService.class);
|
|
importIntent.setAction(ACTION_IMPORT_KEYRING);
|
|
|
|
Bundle importData = new Bundle();
|
|
// This is not going through binder, nothing to fear of
|
|
importData.putParcelableArrayList(IMPORT_KEY_LIST, keyRings);
|
|
importIntent.putExtra(EXTRA_DATA, importData);
|
|
importIntent.putExtra(EXTRA_MESSENGER, mMessenger);
|
|
|
|
// now import it with this service
|
|
onHandleIntent(importIntent);
|
|
|
|
// result is handled in ACTION_IMPORT_KEYRING
|
|
} catch (Exception e) {
|
|
sendErrorToHandler(e);
|
|
}
|
|
} else if (ACTION_CERTIFY_KEYRING.equals(action)) {
|
|
try {
|
|
|
|
/* Input */
|
|
long masterKeyId = data.getLong(CERTIFY_KEY_MASTER_KEY_ID);
|
|
long pubKeyId = data.getLong(CERTIFY_KEY_PUB_KEY_ID);
|
|
ArrayList<String> userIds = data.getStringArrayList(CERTIFY_KEY_UIDS);
|
|
|
|
/* Operation */
|
|
String signaturePassphrase = PassphraseCacheService.getCachedPassphrase(this,
|
|
masterKeyId);
|
|
if (signaturePassphrase == null) {
|
|
throw new PgpGeneralException("Unable to obtain passphrase");
|
|
}
|
|
|
|
ProviderHelper providerHelper = new ProviderHelper(this);
|
|
CanonicalizedPublicKeyRing publicRing = providerHelper.getCanonicalizedPublicKeyRing(pubKeyId);
|
|
CanonicalizedSecretKeyRing secretKeyRing = providerHelper.getCanonicalizedSecretKeyRing(masterKeyId);
|
|
CanonicalizedSecretKey certificationKey = secretKeyRing.getSecretKey();
|
|
if(!certificationKey.unlock(signaturePassphrase)) {
|
|
throw new PgpGeneralException("Error extracting key (bad passphrase?)");
|
|
}
|
|
UncachedKeyRing newRing = certificationKey.certifyUserIds(publicRing, userIds);
|
|
|
|
// store the signed key in our local cache
|
|
providerHelper.savePublicKeyRing(newRing);
|
|
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY);
|
|
|
|
} catch (Exception e) {
|
|
sendErrorToHandler(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void sendErrorToHandler(Exception e) {
|
|
// Service was canceled. Do not send error to handler.
|
|
if (this.mIsCanceled) {
|
|
return;
|
|
}
|
|
// TODO: Implement a better exception handling here
|
|
// contextualize the exception, if necessary
|
|
String message;
|
|
if (e instanceof PgpGeneralMsgIdException) {
|
|
e = ((PgpGeneralMsgIdException) e).getContextualized(this);
|
|
message = e.getMessage();
|
|
} else if (e instanceof PgpSignEncrypt.KeyExtractionException) {
|
|
message = getString(R.string.error_could_not_extract_private_key);
|
|
} else if (e instanceof PgpSignEncrypt.NoPassphraseException) {
|
|
message = getString(R.string.error_no_signature_passphrase);
|
|
} else if (e instanceof PgpSignEncrypt.NoSigningKeyException) {
|
|
message = getString(R.string.error_no_signature_key);
|
|
} else if (e instanceof PgpDecryptVerify.InvalidDataException) {
|
|
message = getString(R.string.error_invalid_data);
|
|
} else if (e instanceof PgpDecryptVerify.KeyExtractionException) {
|
|
message = getString(R.string.error_could_not_extract_private_key);
|
|
} else if (e instanceof PgpDecryptVerify.WrongPassphraseException) {
|
|
message = getString(R.string.error_wrong_passphrase);
|
|
} else if (e instanceof PgpDecryptVerify.NoSecretKeyException) {
|
|
message = getString(R.string.error_no_secret_key_found);
|
|
} else if (e instanceof PgpDecryptVerify.IntegrityCheckFailedException) {
|
|
message = getString(R.string.error_integrity_check_failed);
|
|
} else {
|
|
message = e.getMessage();
|
|
}
|
|
|
|
Log.e(Constants.TAG, "KeychainIntentService Exception: ", e);
|
|
|
|
Bundle data = new Bundle();
|
|
data.putString(KeychainIntentServiceHandler.DATA_ERROR, message);
|
|
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_EXCEPTION, null, data);
|
|
}
|
|
|
|
private void sendMessageToHandler(Integer arg1, Integer arg2, Bundle data) {
|
|
// Service was canceled. Do not send message to handler.
|
|
if (this.mIsCanceled) {
|
|
return;
|
|
}
|
|
Message msg = Message.obtain();
|
|
assert msg != null;
|
|
msg.arg1 = arg1;
|
|
if (arg2 != null) {
|
|
msg.arg2 = arg2;
|
|
}
|
|
if (data != null) {
|
|
msg.setData(data);
|
|
}
|
|
|
|
try {
|
|
mMessenger.send(msg);
|
|
} catch (RemoteException e) {
|
|
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
|
|
} catch (NullPointerException e) {
|
|
Log.w(Constants.TAG, "Messenger is null!", e);
|
|
}
|
|
}
|
|
|
|
private void sendMessageToHandler(Integer arg1, OperationResultParcel data) {
|
|
Bundle bundle = new Bundle();
|
|
bundle.putParcelable(OperationResultParcel.EXTRA_RESULT, data);
|
|
sendMessageToHandler(arg1, null, bundle);
|
|
}
|
|
|
|
private void sendMessageToHandler(Integer arg1, Bundle data) {
|
|
sendMessageToHandler(arg1, null, data);
|
|
}
|
|
|
|
private void sendMessageToHandler(Integer arg1) {
|
|
sendMessageToHandler(arg1, null, null);
|
|
}
|
|
|
|
/**
|
|
* Set progress of ProgressDialog by sending message to handler on UI thread
|
|
*/
|
|
public void setProgress(String message, int progress, int max) {
|
|
Log.d(Constants.TAG, "Send message by setProgress with progress=" + progress + ", max="
|
|
+ max);
|
|
|
|
Bundle data = new Bundle();
|
|
if (message != null) {
|
|
data.putString(KeychainIntentServiceHandler.DATA_MESSAGE, message);
|
|
}
|
|
data.putInt(KeychainIntentServiceHandler.DATA_PROGRESS, progress);
|
|
data.putInt(KeychainIntentServiceHandler.DATA_PROGRESS_MAX, max);
|
|
|
|
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_UPDATE_PROGRESS, null, data);
|
|
}
|
|
|
|
public void setProgress(int resourceId, int progress, int max) {
|
|
setProgress(getString(resourceId), progress, max);
|
|
}
|
|
|
|
public void setProgress(int progress, int max) {
|
|
setProgress(null, progress, max);
|
|
}
|
|
|
|
@Override
|
|
public boolean hasServiceStopped() {
|
|
return mIsCanceled;
|
|
}
|
|
|
|
private InputData createDecryptInputData(Bundle data) throws IOException, PgpGeneralException {
|
|
return createCryptInputData(data, DECRYPT_CIPHERTEXT_BYTES);
|
|
}
|
|
|
|
private InputData createEncryptInputData(Bundle data) throws IOException, PgpGeneralException {
|
|
return createCryptInputData(data, ENCRYPT_MESSAGE_BYTES);
|
|
}
|
|
|
|
private InputData createCryptInputData(Bundle data, String bytesName) throws PgpGeneralException, IOException {
|
|
int source = data.get(SOURCE) != null ? data.getInt(SOURCE) : data.getInt(TARGET);
|
|
switch (source) {
|
|
case IO_BYTES: /* encrypting bytes directly */
|
|
byte[] bytes = data.getByteArray(bytesName);
|
|
return new InputData(new ByteArrayInputStream(bytes), bytes.length);
|
|
|
|
case IO_URI: /* encrypting content uri */
|
|
Uri providerUri = data.getParcelable(ENCRYPT_INPUT_URI);
|
|
|
|
// InputStream
|
|
return new InputData(getContentResolver().openInputStream(providerUri), FileHelper.getFileSize(this, providerUri, 0));
|
|
|
|
case IO_URIS:
|
|
providerUri = data.<Uri>getParcelableArrayList(ENCRYPT_INPUT_URIS).get(data.getInt(SELECTED_URI));
|
|
|
|
// InputStream
|
|
return new InputData(getContentResolver().openInputStream(providerUri), FileHelper.getFileSize(this, providerUri, 0));
|
|
|
|
default:
|
|
throw new PgpGeneralException("No target choosen!");
|
|
}
|
|
}
|
|
|
|
private OutputStream createCryptOutputStream(Bundle data) throws PgpGeneralException, FileNotFoundException {
|
|
int target = data.getInt(TARGET);
|
|
switch (target) {
|
|
case IO_BYTES:
|
|
return new ByteArrayOutputStream();
|
|
|
|
case IO_URI:
|
|
Uri providerUri = data.getParcelable(ENCRYPT_OUTPUT_URI);
|
|
|
|
return getContentResolver().openOutputStream(providerUri);
|
|
|
|
case IO_URIS:
|
|
providerUri = data.<Uri>getParcelableArrayList(ENCRYPT_OUTPUT_URIS).get(data.getInt(SELECTED_URI));
|
|
|
|
return getContentResolver().openOutputStream(providerUri);
|
|
|
|
default:
|
|
throw new PgpGeneralException("No target choosen!");
|
|
}
|
|
}
|
|
|
|
private void finalizeEncryptOutputStream(Bundle data, Bundle resultData, OutputStream outStream) {
|
|
finalizeCryptOutputStream(data, resultData, outStream, RESULT_BYTES);
|
|
}
|
|
|
|
private void finalizeDecryptOutputStream(Bundle data, Bundle resultData, OutputStream outStream) {
|
|
finalizeCryptOutputStream(data, resultData, outStream, RESULT_DECRYPTED_BYTES);
|
|
}
|
|
|
|
private void finalizeCryptOutputStream(Bundle data, Bundle resultData, OutputStream outStream, String bytesName) {
|
|
int target = data.getInt(TARGET);
|
|
switch (target) {
|
|
case IO_BYTES:
|
|
byte output[] = ((ByteArrayOutputStream) outStream).toByteArray();
|
|
resultData.putByteArray(bytesName, output);
|
|
break;
|
|
case IO_URI:
|
|
case IO_URIS:
|
|
// nothing, output was written, just send okay and verification bundle
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|