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package se.leap.bitmaskclient.providersetup;
import static se.leap.bitmaskclient.base.models.Constants.BROADCAST_PROVIDER_API_EVENT;
import static se.leap.bitmaskclient.base.models.Constants.BROADCAST_RESULT_CODE;
import static se.leap.bitmaskclient.base.models.Constants.BROADCAST_RESULT_KEY;
import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_KEY;
import static se.leap.bitmaskclient.base.utils.ConfigHelper.getProviderFormattedString;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORID;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORS;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_DOWNLOADED_EIP_SERVICE;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_DOWNLOADED_GEOIP_JSON;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_DOWNLOADED_VPN_CERTIFICATE;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.INCORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.INITIAL_ACTION;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.PROVIDER_NOK;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.TOR_EXCEPTION;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.TOR_TIMEOUT;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.ResultReceiver;
import org.json.JSONException;
import org.json.JSONObject;
import de.blinkt.openvpn.core.VpnStatus;
import se.leap.bitmaskclient.base.models.Provider;
public class ProviderApiEventSender {
private final Resources resources;
private final ProviderApiManagerBase.ProviderApiServiceCallback serviceCallback;
public ProviderApiEventSender(Resources resources, ProviderApiManagerBase.ProviderApiServiceCallback callback) {
this.resources = resources;
this.serviceCallback = callback;
}
/**
* Interprets the error message as a JSON object and extract the "errors" keyword pair.
* If the error message is not a JSON object, then it is returned untouched.
*
* @param stringJsonErrorMessage
* @return final error message
*/
protected String pickErrorMessage(String stringJsonErrorMessage) {
String errorMessage = "";
try {
JSONObject jsonErrorMessage = new JSONObject(stringJsonErrorMessage);
errorMessage = jsonErrorMessage.getString(ERRORS);
} catch (JSONException e) {
// TODO Auto-generated catch block
errorMessage = stringJsonErrorMessage;
} catch (NullPointerException e) {
//do nothing
}
return errorMessage;
}
protected Bundle setErrorResult(Bundle result, String stringJsonErrorMessage) {
String reasonToFail = pickErrorMessage(stringJsonErrorMessage);
VpnStatus.logWarning("[API] error: " + reasonToFail);
result.putString(ERRORS, reasonToFail);
result.putBoolean(BROADCAST_RESULT_KEY, false);
return result;
}
Bundle setErrorResultAction(Bundle result, String initialAction) {
JSONObject errorJson = new JSONObject();
addErrorMessageToJson(errorJson, null, null, initialAction);
VpnStatus.logWarning("[API] error: " + initialAction + " failed.");
result.putString(ERRORS, errorJson.toString());
result.putBoolean(BROADCAST_RESULT_KEY, false);
return result;
}
Bundle setErrorResult(Bundle result, int errorMessageId, String errorId) {
return setErrorResult(result, errorMessageId, errorId, null);
}
Bundle setErrorResult(Bundle result, int errorMessageId, String errorId, String initialAction) {
JSONObject errorJson = new JSONObject();
String errorMessage = getProviderFormattedString(resources, errorMessageId);
addErrorMessageToJson(errorJson, errorMessage, errorId, initialAction);
VpnStatus.logWarning("[API] error: " + errorMessage);
result.putString(ERRORS, errorJson.toString());
result.putBoolean(BROADCAST_RESULT_KEY, false);
return result;
}
private void addErrorMessageToJson(JSONObject jsonObject, String errorMessage) {
try {
jsonObject.put(ERRORS, errorMessage);
} catch (JSONException e) {
e.printStackTrace();
}
}
private void addErrorMessageToJson(JSONObject jsonObject, String errorMessage, String errorId, String initialAction) {
try {
jsonObject.putOpt(ERRORS, errorMessage);
jsonObject.putOpt(ERRORID, errorId);
jsonObject.putOpt(INITIAL_ACTION, initialAction);
} catch (JSONException e) {
e.printStackTrace();
}
}
protected void sendToReceiverOrBroadcast(ResultReceiver receiver, int resultCode, Bundle resultData, Provider provider) {
if (resultData == null || resultData == Bundle.EMPTY) {
resultData = new Bundle();
}
resultData.putParcelable(PROVIDER_KEY, provider);
if (receiver != null) {
receiver.send(resultCode, resultData);
} else {
broadcastEvent(resultCode, resultData);
}
handleEventSummaryErrorLog(resultCode);
}
private void broadcastEvent(int resultCode , Bundle resultData) {
Intent intentUpdate = new Intent(BROADCAST_PROVIDER_API_EVENT);
intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
intentUpdate.putExtra(BROADCAST_RESULT_CODE, resultCode);
intentUpdate.putExtra(BROADCAST_RESULT_KEY, resultData);
serviceCallback.broadcastEvent(intentUpdate);
}
private void handleEventSummaryErrorLog(int resultCode) {
String event = null;
switch (resultCode) {
case INCORRECTLY_DOWNLOADED_VPN_CERTIFICATE:
event = "download of vpn certificate.";
break;
case PROVIDER_NOK:
event = "setup or update provider details.";
break;
case INCORRECTLY_DOWNLOADED_EIP_SERVICE:
event = "update eip-service.json";
break;
case INCORRECTLY_UPDATED_INVALID_VPN_CERTIFICATE:
event = "update invalid vpn certificate.";
break;
case INCORRECTLY_DOWNLOADED_GEOIP_JSON:
event = "download menshen service json.";
break;
case TOR_TIMEOUT:
case TOR_EXCEPTION:
event = "start tor for censorship circumvention";
break;
default:
break;
}
if (event != null) {
VpnStatus.logWarning("[API] failed provider API event: " + event);
}
}
String formatErrorMessage(final int errorStringId) {
return formatErrorMessage(getProviderFormattedString(resources, errorStringId));
}
private String formatErrorMessage(String errorMessage) {
return "{ \"" + ERRORS + "\" : \"" + errorMessage + "\" }";
}
private JSONObject getErrorMessageAsJson(final int toastStringId) {
try {
return new JSONObject(formatErrorMessage(toastStringId));
} catch (JSONException e) {
e.printStackTrace();
return new JSONObject();
}
}
}
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