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/**
* Copyright (c) 2017 LEAP Encryption Access Project and contributers
*
* 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 se.leap.bitmaskclient.providersetup;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.core.app.JobIntentService;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import java.util.concurrent.TimeoutException;
import se.leap.bitmaskclient.base.models.Provider;
import se.leap.bitmaskclient.base.utils.PreferenceHelper;
import se.leap.bitmaskclient.providersetup.connectivity.OkHttpClientGenerator;
import se.leap.bitmaskclient.tor.TorServiceCommand;
/**
* Implements HTTP api methods (encapsulated in {{@link ProviderApiManager}})
* used to manage communications with the provider server.
* <p/>
* It's an JobIntentService because it downloads data from the Internet, so it operates in the background.
*
* @author parmegv
* @author MeanderingCode
* @author cyberta
*/
public class ProviderAPI extends JobIntentService implements ProviderApiManagerBase.ProviderApiServiceCallback {
/**
* Unique job ID for this service.
*/
static final int JOB_ID = 161375;
@Deprecated
final public static String
UPDATE_PROVIDER_DETAILS = "updateProviderDetails",
SIGN_UP = "srpRegister",
LOG_IN = "srpAuth",
LOG_OUT = "logOut";
final public static String
TAG = ProviderAPI.class.getSimpleName(),
SET_UP_PROVIDER = "setUpProvider",
DOWNLOAD_GEOIP_JSON = "downloadGeoIpJson",
DOWNLOAD_MOTD = "downloadMotd",
// all vpn certificate download commands are used in different scenarios with different error handling
// command key used for the initial vpn certificate download during the provider setup
DOWNLOAD_VPN_CERTIFICATE = "downloadUserAuthedVPNCertificate",
// command key used to update soon expiring but yet valid certificates after connecting to the vpn
QUIETLY_UPDATE_VPN_CERTIFICATE = "ProviderAPI.QUIETLY_UPDATE_VPN_CERTIFICATE",
// command key used to update invalid certificates, connecting to the vpn is impossible
UPDATE_INVALID_VPN_CERTIFICATE = "ProviderAPI.UPDATE_INVALID_VPN_CERTIFICATE",
PARAMETERS = "parameters",
DELAY = "delay",
RECEIVER_KEY = "receiver",
ERRORS = "errors",
ERRORID = "errorId",
INITIAL_ACTION = "initalAction",
BACKEND_ERROR_KEY = "error",
BACKEND_ERROR_MESSAGE = "message",
USER_MESSAGE = "userMessage",
DOWNLOAD_SERVICE_JSON = "ProviderAPI.DOWNLOAD_SERVICE_JSON";
final public static int
SUCCESSFUL_LOGIN = 3,
FAILED_LOGIN = 4,
SUCCESSFUL_SIGNUP = 5,
FAILED_SIGNUP = 6,
SUCCESSFUL_LOGOUT = 7,
LOGOUT_FAILED = 8,
CORRECTLY_DOWNLOADED_VPN_CERTIFICATE = 9,
INCORRECTLY_DOWNLOADED_VPN_CERTIFICATE = 10,
PROVIDER_OK = 11,
PROVIDER_NOK = 12,
CORRECTLY_DOWNLOADED_EIP_SERVICE = 13,
INCORRECTLY_DOWNLOADED_EIP_SERVICE = 14,
CORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE = 15,
INCORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE = 16,
CORRECTLY_DOWNLOADED_GEOIP_JSON = 17,
INCORRECTLY_DOWNLOADED_GEOIP_JSON = 18,
TOR_TIMEOUT = 19,
MISSING_NETWORK_CONNECTION = 20,
TOR_EXCEPTION = 21;
ProviderApiManager providerApiManager;
//TODO: refactor me, please!
//used in insecure flavor only
@SuppressLint("unused")
public static boolean lastDangerOn() {
return ProviderApiManager.lastDangerOn();
}
@Override
public void onCreate() {
super.onCreate();
providerApiManager = initApiManager();
}
/**
* Convenience method for enqueuing work in to this service.
*/
static void enqueueWork(Context context, Intent work) {
try {
ProviderAPI.enqueueWork(context, ProviderAPI.class, JOB_ID, work);
} catch (IllegalStateException | IllegalArgumentException e) {
e.printStackTrace();
}
}
@Override
protected void onHandleWork(@NonNull Intent command) {
providerApiManager.handleIntent(command);
}
@Override
public void broadcastEvent(Intent intent) {
LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
}
@Override
public boolean startTorService() throws InterruptedException, IllegalStateException, TimeoutException {
return TorServiceCommand.startTorService(this, null);
}
@Override
public void stopTorService() {
TorServiceCommand.stopTorService(this);
}
@Override
public int getTorHttpTunnelPort() {
return TorServiceCommand.getHttpTunnelPort(this);
}
@Override
public boolean hasNetworkConnection() {
try {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
return activeNetwork != null &&
activeNetwork.isConnected();
} else {
NetworkCapabilities capabilities = cm.getNetworkCapabilities(cm.getActiveNetwork());
if (capabilities != null) {
return capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
}
return false;
}
} catch (RuntimeException e) {
e.printStackTrace();
// we don't know, let's try to fetch data anyways then
return true;
}
}
@Override
public void saveProvider(Provider p) {
ProviderManager pm = ProviderManager.getInstance(this.getAssets(), this.getExternalFilesDir(null));
pm.add(p);
pm.saveCustomProvidersToFile();
}
private ProviderApiManager initApiManager() {
OkHttpClientGenerator clientGenerator = new OkHttpClientGenerator(getResources());
return new ProviderApiManager(getResources(), clientGenerator, this);
}
}
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