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|
/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.thialfihar.android.apg.service;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKey;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.thialfihar.android.apg.Constants;
import org.thialfihar.android.apg.Id;
import org.thialfihar.android.apg.R;
import org.thialfihar.android.apg.helper.FileHelper;
import org.thialfihar.android.apg.helper.OtherHelper;
import org.thialfihar.android.apg.helper.PGPMain;
import org.thialfihar.android.apg.helper.Preferences;
import org.thialfihar.android.apg.helper.PGPMain.ApgGeneralException;
import org.thialfihar.android.apg.helper.PGPConversionHelper;
import org.thialfihar.android.apg.provider.ApgContract.DataStream;
import org.thialfihar.android.apg.provider.ProviderHelper;
import org.thialfihar.android.apg.util.HkpKeyServer;
import org.thialfihar.android.apg.util.InputData;
import org.thialfihar.android.apg.util.KeyServer.KeyInfo;
import org.thialfihar.android.apg.util.ProgressDialogUpdater;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import org.thialfihar.android.apg.util.Log;
/**
* This Service contains all important long lasting operations for APG. It receives Intents with
* data from the activities or other apps, queues these intents, executes them, and stops itself
* after doing them.
*/
public class ApgIntentService extends IntentService implements ProgressDialogUpdater {
/* extras that can be given by intent */
public static final String EXTRA_MESSENGER = "messenger";
public static final String EXTRA_ACTION = "action";
public static final String EXTRA_DATA = "data";
/* possible EXTRA_ACTIONs */
public static final int ACTION_ENCRYPT_SIGN = 10;
public static final int ACTION_DECRYPT_VERIFY = 20;
public static final int ACTION_SAVE_KEYRING = 30;
public static final int ACTION_GENERATE_KEY = 31;
public static final int ACTION_GENERATE_DEFAULT_RSA_KEYS = 32;
public static final int ACTION_DELETE_FILE_SECURELY = 40;
public static final int ACTION_IMPORT_KEY = 50;
public static final int ACTION_EXPORT_KEY = 51;
public static final int ACTION_UPLOAD_KEY = 60;
public static final int ACTION_QUERY_KEY = 61;
public static final int ACTION_SIGN_KEY = 70;
/* keys for data bundle */
// encrypt, decrypt, import export
public static final String TARGET = "target";
// possible targets:
public static final int TARGET_BYTES = 1;
public static final int TARGET_FILE = 2;
public static final int TARGET_STREAM = 3;
// encrypt
public static final String ENCRYPT_SECRET_KEY_ID = "secretKeyId";
public static final String ENCRYPT_USE_ASCII_AMOR = "useAsciiAmor";
public static final String ENCRYPT_ENCRYPTION_KEYS_IDS = "encryptionKeysIds";
public static final String ENCRYPT_COMPRESSION_ID = "compressionId";
public static final String ENCRYPT_GENERATE_SIGNATURE = "generateSignature";
public static final String ENCRYPT_SIGN_ONLY = "signOnly";
public static final String ENCRYPT_MESSAGE_BYTES = "messageBytes";
public static final String ENCRYPT_INPUT_FILE = "inputFile";
public static final String ENCRYPT_OUTPUT_FILE = "outputFile";
public static final String ENCRYPT_PROVIDER_URI = "providerUri";
// decrypt/verify
public static final String DECRYPT_SIGNED_ONLY = "signedOnly";
public static final String DECRYPT_RETURN_BYTES = "returnBinary";
public static final String DECRYPT_CIPHERTEXT_BYTES = "ciphertextBytes";
public static final String DECRYPT_ASSUME_SYMMETRIC = "assumeSymmetric";
public static final String DECRYPT_LOOKUP_UNKNOWN_KEY = "lookupUnknownKey";
// save keyring
public static final String SAVE_KEYRING_NEW_PASSPHRASE = "newPassphrase";
public static final String SAVE_KEYRING_CURRENT_PASSPHRASE = "currentPassphrase";
public static final String SAVE_KEYRING_USER_IDS = "userIds";
public static final String SAVE_KEYRING_KEYS = "keys";
public static final String SAVE_KEYRING_KEYS_USAGES = "keysUsages";
public static final String SAVE_KEYRING_MASTER_KEY_ID = "masterKeyId";
// generate key
public static final String GENERATE_KEY_ALGORITHM = "algorithm";
public static final String GENERATE_KEY_KEY_SIZE = "keySize";
public static final String GENERATE_KEY_SYMMETRIC_PASSPHRASE = "passphrase";
public static final String GENERATE_KEY_MASTER_KEY = "masterKey";
// delete file securely
public static final String DELETE_FILE = "deleteFile";
// import key
public static final String IMPORT_INPUT_STREAM = "importInputStream";
public static final String IMPORT_FILENAME = "importFilename";
public static final String IMPORT_BYTES = "importBytes";
public static final String IMPORT_KEY_TYPE = "importKeyType";
// export key
public static final String EXPORT_OUTPUT_STREAM = "exportOutputStream";
public static final String EXPORT_FILENAME = "exportFilename";
public static final String EXPORT_KEY_TYPE = "exportKeyType";
public static final String EXPORT_ALL = "exportAll";
public static final String EXPORT_KEY_RING_ROW_ID = "exportKeyRingId";
// upload key
public static final String UPLOAD_KEY_SERVER = "uploadKeyServer";
public static final String UPLOAD_KEY_KEYRING_ROW_ID = "uploadKeyRingId";
// query key
public static final String QUERY_KEY_SERVER = "queryKeyServer";
public static final String QUERY_KEY_TYPE = "queryKeyType";
public static final String QUERY_KEY_STRING = "queryKeyString";
public static final String QUERY_KEY_ID = "queryKeyId";
// sign key
public static final String SIGN_KEY_MASTER_KEY_ID = "signKeyMasterKeyId";
public static final String SIGN_KEY_PUB_KEY_ID = "signKeyPubKeyId";
/*
* possible data keys as result send over messenger
*/
// keys
public static final String RESULT_NEW_KEY = "newKey";
public static final String RESULT_NEW_KEY2 = "newKey2";
// encrypt
public static final String RESULT_SIGNATURE_BYTES = "signatureData";
public static final String RESULT_SIGNATURE_STRING = "signatureText";
public static final String RESULT_ENCRYPTED_STRING = "encryptedMessage";
public static final String RESULT_ENCRYPTED_BYTES = "encryptedData";
public static final String RESULT_URI = "resultUri";
// decrypt/verify
public static final String RESULT_DECRYPTED_STRING = "decryptedMessage";
public static final String RESULT_DECRYPTED_BYTES = "decryptedData";
public static final String RESULT_SIGNATURE = "signature";
public static final String RESULT_SIGNATURE_KEY_ID = "signatureKeyId";
public static final String RESULT_SIGNATURE_USER_ID = "signatureUserId";
public static final String RESULT_SIGNATURE_SUCCESS = "signatureSuccess";
public static final String RESULT_SIGNATURE_UNKNOWN = "signatureUnknown";
public static final String RESULT_SIGNATURE_LOOKUP_KEY = "lookupKey";
// import
public static final String RESULT_IMPORT_ADDED = "added";
public static final String RESULT_IMPORT_UPDATED = "updated";
public static final String RESULT_IMPORT_BAD = "bad";
// export
public static final String RESULT_EXPORT = "exported";
// query
public static final String RESULT_QUERY_KEY_KEY_DATA = "queryKeyKeyData";
public static final String RESULT_QUERY_KEY_SEARCH_RESULT = "queryKeySearchResult";
Messenger mMessenger;
public ApgIntentService() {
super("ApgService");
}
/**
* The IntentService calls this method from the default worker thread with the intent that
* started the service. When this method returns, IntentService stops the service, as
* appropriate.
*/
@Override
protected void onHandleIntent(Intent intent) {
Bundle extras = intent.getExtras();
if (extras == null) {
Log.e(Constants.TAG, "Extras bundle is null!");
return;
}
if (!(extras.containsKey(EXTRA_MESSENGER) || extras.containsKey(EXTRA_DATA) || extras
.containsKey(EXTRA_ACTION))) {
Log.e(Constants.TAG,
"Extra bundle must contain a messenger, a data bundle, and an action!");
return;
}
mMessenger = (Messenger) extras.get(EXTRA_MESSENGER);
Bundle data = extras.getBundle(EXTRA_DATA);
OtherHelper.logDebugBundle(data, "EXTRA_DATA");
int action = extras.getInt(EXTRA_ACTION);
// execute action from extra bundle
switch (action) {
case ACTION_ENCRYPT_SIGN:
try {
/* Input */
int target = data.getInt(TARGET);
long secretKeyId = data.getLong(ENCRYPT_SECRET_KEY_ID);
String encryptionPassphrase = data.getString(GENERATE_KEY_SYMMETRIC_PASSPHRASE);
boolean useAsciiArmor = data.getBoolean(ENCRYPT_USE_ASCII_AMOR);
long encryptionKeyIds[] = data.getLongArray(ENCRYPT_ENCRYPTION_KEYS_IDS);
int compressionId = data.getInt(ENCRYPT_COMPRESSION_ID);
boolean generateSignature = data.getBoolean(ENCRYPT_GENERATE_SIGNATURE);
boolean signOnly = data.getBoolean(ENCRYPT_SIGN_ONLY);
InputStream inStream = null;
long inLength = -1;
InputData inputData = null;
OutputStream outStream = null;
String streamFilename = null;
switch (target) {
case TARGET_BYTES: /* encrypting bytes directly */
byte[] bytes = data.getByteArray(ENCRYPT_MESSAGE_BYTES);
inStream = new ByteArrayInputStream(bytes);
inLength = bytes.length;
inputData = new InputData(inStream, inLength);
outStream = new ByteArrayOutputStream();
break;
case TARGET_FILE: /* encrypting file */
String inputFile = data.getString(ENCRYPT_INPUT_FILE);
String outputFile = data.getString(ENCRYPT_OUTPUT_FILE);
// check if storage is ready
if (!FileHelper.isStorageMounted(inputFile)
|| !FileHelper.isStorageMounted(outputFile)) {
throw new ApgGeneralException(
getString(R.string.error_externalStorageNotReady));
}
inStream = new FileInputStream(inputFile);
File file = new File(inputFile);
inLength = file.length();
inputData = new InputData(inStream, inLength);
outStream = new FileOutputStream(outputFile);
break;
case TARGET_STREAM: /* Encrypting stream from content uri */
Uri providerUri = (Uri) data.getParcelable(ENCRYPT_PROVIDER_URI);
// InputStream
InputStream in = getContentResolver().openInputStream(providerUri);
inLength = PGPMain.getLengthOfStream(in);
inputData = new InputData(in, inLength);
// OutputStream
try {
while (true) {
streamFilename = PGPMain.generateRandomFilename(32);
if (streamFilename == null) {
throw new PGPMain.ApgGeneralException(
"couldn't generate random file name");
}
openFileInput(streamFilename).close();
}
} catch (FileNotFoundException e) {
// found a name that isn't used yet
}
outStream = openFileOutput(streamFilename, Context.MODE_PRIVATE);
break;
default:
throw new PGPMain.ApgGeneralException("No target choosen!");
}
/* Operation */
if (generateSignature) {
Log.d(Constants.TAG, "generating signature...");
PGPMain.generateSignature(this, this, inputData, outStream, useAsciiArmor,
false, secretKeyId, PassphraseCacheService.getCachedPassphrase(this,
secretKeyId), Preferences.getPreferences(this)
.getDefaultHashAlgorithm(), Preferences.getPreferences(this)
.getForceV3Signatures());
} else if (signOnly) {
Log.d(Constants.TAG, "sign only...");
PGPMain.signText(this, this, inputData, outStream, secretKeyId,
PassphraseCacheService.getCachedPassphrase(this, secretKeyId),
Preferences.getPreferences(this).getDefaultHashAlgorithm(), Preferences
.getPreferences(this).getForceV3Signatures());
} else {
Log.d(Constants.TAG, "encrypt...");
PGPMain.encryptAndSign(this, this, inputData, outStream, useAsciiArmor,
compressionId, encryptionKeyIds, encryptionPassphrase, Preferences
.getPreferences(this).getDefaultEncryptionAlgorithm(),
secretKeyId,
Preferences.getPreferences(this).getDefaultHashAlgorithm(), Preferences
.getPreferences(this).getForceV3Signatures(),
PassphraseCacheService.getCachedPassphrase(this, secretKeyId));
}
outStream.close();
/* Output */
Bundle resultData = new Bundle();
switch (target) {
case TARGET_BYTES:
if (useAsciiArmor) {
String output = new String(
((ByteArrayOutputStream) outStream).toByteArray());
if (generateSignature) {
resultData.putString(RESULT_SIGNATURE_STRING, output);
} else {
resultData.putString(RESULT_ENCRYPTED_STRING, output);
}
} else {
byte output[] = ((ByteArrayOutputStream) outStream).toByteArray();
if (generateSignature) {
resultData.putByteArray(RESULT_SIGNATURE_BYTES, output);
} else {
resultData.putByteArray(RESULT_ENCRYPTED_BYTES, output);
}
}
break;
case TARGET_FILE:
// nothing, file was written, just send okay
break;
case TARGET_STREAM:
String uri = DataStream.buildDataStreamUri(streamFilename).toString();
resultData.putString(RESULT_URI, uri);
break;
}
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_DECRYPT_VERIFY:
try {
/* Input */
int target = data.getInt(TARGET);
long secretKeyId = data.getLong(ENCRYPT_SECRET_KEY_ID);
byte[] bytes = data.getByteArray(DECRYPT_CIPHERTEXT_BYTES);
boolean signedOnly = data.getBoolean(DECRYPT_SIGNED_ONLY);
boolean returnBytes = data.getBoolean(DECRYPT_RETURN_BYTES);
boolean assumeSymmetricEncryption = data.getBoolean(DECRYPT_ASSUME_SYMMETRIC);
boolean lookupUnknownKey = data.getBoolean(DECRYPT_LOOKUP_UNKNOWN_KEY);
InputStream inStream = null;
long inLength = -1;
InputData inputData = null;
OutputStream outStream = null;
String streamFilename = null;
switch (target) {
case TARGET_BYTES: /* decrypting bytes directly */
inStream = new ByteArrayInputStream(bytes);
inLength = bytes.length;
inputData = new InputData(inStream, inLength);
outStream = new ByteArrayOutputStream();
break;
case TARGET_FILE: /* decrypting file */
String inputFile = data.getString(ENCRYPT_INPUT_FILE);
String outputFile = data.getString(ENCRYPT_OUTPUT_FILE);
// check if storage is ready
if (!FileHelper.isStorageMounted(inputFile)
|| !FileHelper.isStorageMounted(outputFile)) {
throw new ApgGeneralException(
getString(R.string.error_externalStorageNotReady));
}
// InputStream
inLength = -1;
inStream = new FileInputStream(inputFile);
File file = new File(inputFile);
inLength = file.length();
inputData = new InputData(inStream, inLength);
// OutputStream
outStream = new FileOutputStream(outputFile);
break;
case TARGET_STREAM: /* decrypting stream from content uri */
Uri providerUri = (Uri) data.getParcelable(ENCRYPT_PROVIDER_URI);
// InputStream
InputStream in = getContentResolver().openInputStream(providerUri);
inLength = PGPMain.getLengthOfStream(in);
inputData = new InputData(in, inLength);
// OutputStream
try {
while (true) {
streamFilename = PGPMain.generateRandomFilename(32);
if (streamFilename == null) {
throw new PGPMain.ApgGeneralException(
"couldn't generate random file name");
}
openFileInput(streamFilename).close();
}
} catch (FileNotFoundException e) {
// found a name that isn't used yet
}
outStream = openFileOutput(streamFilename, Context.MODE_PRIVATE);
break;
default:
throw new PGPMain.ApgGeneralException("No target choosen!");
}
/* Operation */
Bundle resultData = new Bundle();
// verifyText and decrypt returning additional resultData values for the
// verification of signatures
if (signedOnly) {
resultData = PGPMain.verifyText(this, this, inputData, outStream,
lookupUnknownKey);
} else {
resultData = PGPMain.decryptAndVerify(this, this, inputData, outStream,
PassphraseCacheService.getCachedPassphrase(this, secretKeyId),
assumeSymmetricEncryption);
}
outStream.close();
/* Output */
switch (target) {
case TARGET_BYTES:
if (returnBytes) {
byte output[] = ((ByteArrayOutputStream) outStream).toByteArray();
resultData.putByteArray(RESULT_DECRYPTED_BYTES, output);
} else {
String output = new String(
((ByteArrayOutputStream) outStream).toByteArray());
resultData.putString(RESULT_DECRYPTED_STRING, output);
}
break;
case TARGET_FILE:
// nothing, file was written, just send okay and verification bundle
break;
case TARGET_STREAM:
String uri = DataStream.buildDataStreamUri(streamFilename).toString();
resultData.putString(RESULT_URI, uri);
break;
}
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_SAVE_KEYRING:
try {
/* Input */
String oldPassPhrase = data.getString(SAVE_KEYRING_CURRENT_PASSPHRASE);
String newPassPhrase = data.getString(SAVE_KEYRING_NEW_PASSPHRASE);
if (newPassPhrase == null) {
newPassPhrase = oldPassPhrase;
}
ArrayList<String> userIds = data.getStringArrayList(SAVE_KEYRING_USER_IDS);
ArrayList<PGPSecretKey> keys = PGPConversionHelper.BytesToPGPSecretKeyList(data
.getByteArray(SAVE_KEYRING_KEYS));
ArrayList<Integer> keysUsages = data.getIntegerArrayList(SAVE_KEYRING_KEYS_USAGES);
long masterKeyId = data.getLong(SAVE_KEYRING_MASTER_KEY_ID);
/* Operation */
PGPMain.buildSecretKey(this, userIds, keys, keysUsages, masterKeyId, oldPassPhrase,
newPassPhrase, this);
PassphraseCacheService.addCachedPassphrase(this, masterKeyId, newPassPhrase);
/* Output */
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_GENERATE_KEY:
try {
/* Input */
int algorithm = data.getInt(GENERATE_KEY_ALGORITHM);
String passphrase = data.getString(GENERATE_KEY_SYMMETRIC_PASSPHRASE);
int keysize = data.getInt(GENERATE_KEY_KEY_SIZE);
PGPSecretKey masterKey = null;
if (data.containsKey(GENERATE_KEY_MASTER_KEY)) {
masterKey = PGPConversionHelper.BytesToPGPSecretKey(data
.getByteArray(GENERATE_KEY_MASTER_KEY));
}
/* Operation */
PGPSecretKeyRing newKeyRing = PGPMain.createKey(this, algorithm, keysize,
passphrase, masterKey);
/* Output */
Bundle resultData = new Bundle();
resultData.putByteArray(RESULT_NEW_KEY,
PGPConversionHelper.PGPSecretKeyRingToBytes(newKeyRing));
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_GENERATE_DEFAULT_RSA_KEYS:
// generate one RSA 2048 key for signing and one subkey for encrypting!
try {
/* Input */
String passphrase = data.getString(GENERATE_KEY_SYMMETRIC_PASSPHRASE);
/* Operation */
PGPSecretKeyRing masterKeyRing = PGPMain.createKey(this, Id.choice.algorithm.rsa,
2048, passphrase, null);
PGPSecretKeyRing subKeyRing = PGPMain.createKey(this, Id.choice.algorithm.rsa,
2048, passphrase, masterKeyRing.getSecretKey());
/* Output */
Bundle resultData = new Bundle();
resultData.putByteArray(RESULT_NEW_KEY,
PGPConversionHelper.PGPSecretKeyRingToBytes(masterKeyRing));
resultData.putByteArray(RESULT_NEW_KEY2,
PGPConversionHelper.PGPSecretKeyRingToBytes(subKeyRing));
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_DELETE_FILE_SECURELY:
try {
/* Input */
String deleteFile = data.getString(DELETE_FILE);
/* Operation */
try {
PGPMain.deleteFileSecurely(this, this, new File(deleteFile));
} catch (FileNotFoundException e) {
throw new PGPMain.ApgGeneralException(getString(R.string.error_fileNotFound,
deleteFile));
} catch (IOException e) {
throw new PGPMain.ApgGeneralException(getString(
R.string.error_fileDeleteFailed, deleteFile));
}
/* Output */
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_IMPORT_KEY:
try {
/* Input */
int target = data.getInt(TARGET);
int keyType = Id.type.public_key;
if (data.containsKey(IMPORT_KEY_TYPE)) {
keyType = data.getInt(IMPORT_KEY_TYPE);
}
/* Operation */
InputStream inStream = null;
long inLength = -1;
InputData inputData = null;
switch (target) {
case TARGET_BYTES: /* import key from bytes directly */
byte[] bytes = data.getByteArray(IMPORT_BYTES);
inStream = new ByteArrayInputStream(bytes);
inLength = bytes.length;
inputData = new InputData(inStream, inLength);
break;
case TARGET_FILE: /* import key from file */
String inputFile = data.getString(IMPORT_FILENAME);
inStream = new FileInputStream(inputFile);
File file = new File(inputFile);
inLength = file.length();
inputData = new InputData(inStream, inLength);
break;
case TARGET_STREAM:
// TODO: not implemented
break;
}
Bundle resultData = new Bundle();
resultData = PGPMain.importKeyRings(this, keyType, inputData, this);
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_EXPORT_KEY:
try {
/* Input */
int keyType = Id.type.public_key;
if (data.containsKey(EXPORT_KEY_TYPE)) {
keyType = data.getInt(EXPORT_KEY_TYPE);
}
String outputFile = data.getString(EXPORT_FILENAME);
boolean exportAll = data.getBoolean(EXPORT_ALL);
long keyRingRowId = -1;
if (!exportAll) {
keyRingRowId = data.getLong(EXPORT_KEY_RING_ROW_ID);
}
/* Operation */
// check if storage is ready
if (!FileHelper.isStorageMounted(outputFile)) {
throw new ApgGeneralException(getString(R.string.error_externalStorageNotReady));
}
// OutputStream
FileOutputStream outStream = new FileOutputStream(outputFile);
ArrayList<Long> keyRingRowIds = new ArrayList<Long>();
if (exportAll) {
// get all key ring row ids based on export type
if (keyType == Id.type.public_key) {
keyRingRowIds = ProviderHelper.getPublicKeyRingsRowIds(this);
} else {
keyRingRowIds = ProviderHelper.getSecretKeyRingsRowIds(this);
}
} else {
keyRingRowIds.add(keyRingRowId);
}
Bundle resultData = new Bundle();
resultData = PGPMain.exportKeyRings(this, keyRingRowIds, outStream, this);
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_UPLOAD_KEY:
try {
/* Input */
int keyRingRowId = data.getInt(UPLOAD_KEY_KEYRING_ROW_ID);
String keyServer = data.getString(UPLOAD_KEY_SERVER);
/* Operation */
HkpKeyServer server = new HkpKeyServer(keyServer);
PGPPublicKeyRing keyring = ProviderHelper.getPGPPublicKeyRingByRowId(this,
keyRingRowId);
if (keyring != null) {
boolean uploaded = PGPMain.uploadKeyRingToServer(server,
(PGPPublicKeyRing) keyring);
if (!uploaded) {
throw new ApgGeneralException("Unable to export key to selected server");
}
}
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_QUERY_KEY:
try {
/* Input */
int queryType = data.getInt(QUERY_KEY_TYPE);
String keyServer = data.getString(QUERY_KEY_SERVER);
String queryString = data.getString(QUERY_KEY_STRING);
long keyId = data.getLong(QUERY_KEY_ID);
/* Operation */
Bundle resultData = new Bundle();
HkpKeyServer server = new HkpKeyServer(keyServer);
if (queryType == Id.keyserver.search) {
ArrayList<KeyInfo> searchResult = server.search(queryString);
resultData.putParcelableArrayList(RESULT_QUERY_KEY_SEARCH_RESULT, searchResult);
} else if (queryType == Id.keyserver.get) {
String keyData = server.get(keyId);
resultData.putString(RESULT_QUERY_KEY_KEY_DATA, keyData);
}
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
case ACTION_SIGN_KEY:
try {
/* Input */
long masterKeyId = data.getLong(SIGN_KEY_MASTER_KEY_ID);
long pubKeyId = data.getLong(SIGN_KEY_PUB_KEY_ID);
/* Operation */
String signaturePassPhrase = PassphraseCacheService.getCachedPassphrase(this,
masterKeyId);
PGPPublicKeyRing signedPubKeyRing = PGPMain.signKey(this, masterKeyId, pubKeyId,
signaturePassPhrase);
// store the signed key in our local cache
int retval = PGPMain.storeKeyRingInCache(this, signedPubKeyRing);
if (retval != Id.return_value.ok && retval != Id.return_value.updated) {
throw new ApgGeneralException("Failed to store signed key in local cache");
}
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_OKAY);
} catch (Exception e) {
sendErrorToHandler(e);
}
break;
default:
break;
}
}
private void sendErrorToHandler(Exception e) {
Log.e(Constants.TAG, "ApgService Exception: ", e);
e.printStackTrace();
Bundle data = new Bundle();
data.putString(ApgIntentServiceHandler.DATA_ERROR, e.getMessage());
sendMessageToHandler(ApgIntentServiceHandler.MESSAGE_EXCEPTION, null, data);
}
private void sendMessageToHandler(Integer arg1, Integer arg2, Bundle data) {
Message msg = Message.obtain();
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, 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(ApgIntentServiceHandler.DATA_MESSAGE, message);
}
data.putInt(ApgIntentServiceHandler.DATA_PROGRESS, progress);
data.putInt(ApgIntentServiceHandler.DATA_PROGRESS_MAX, max);
sendMessageToHandler(ApgIntentServiceHandler.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);
}
}
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