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/**
* Copyright (c) 2013 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;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;
import org.json.JSONObject;
import static se.leap.bitmaskclient.ProviderSetupFailedDialog.DOWNLOAD_ERRORS.DEFAULT;
import static se.leap.bitmaskclient.ProviderSetupFailedDialog.DOWNLOAD_ERRORS.valueOf;
import static se.leap.bitmaskclient.ProviderAPI.ERRORID;
import static se.leap.bitmaskclient.ProviderAPI.ERRORS;
/**
* Implements a dialog to show why a download failed.
*
* @author parmegv
*/
public class ProviderSetupFailedDialog extends DialogFragment {
public static String TAG = "downloaded_failed_dialog";
private final static String KEY_PROVIDER = "key provider";
private final static String KEY_REASON_TO_FAIL = "key reason to fail";
private final static String KEY_DOWNLOAD_ERROR = "key download error";
private String reasonToFail;
private DOWNLOAD_ERRORS downloadError = DEFAULT;
private Provider provider;
/**
* Represent error types that need different error handling actions
*/
public enum DOWNLOAD_ERRORS {
DEFAULT,
ERROR_CORRUPTED_PROVIDER_JSON,
ERROR_INVALID_CERTIFICATE,
ERROR_CERTIFICATE_PINNING,
ERROR_NEW_URL_NO_VPN_PROVIDER
}
/**
* @return a new instance of this DialogFragment.
*/
public static DialogFragment newInstance(Provider provider, String reasonToFail) {
ProviderSetupFailedDialog dialogFragment = new ProviderSetupFailedDialog();
dialogFragment.reasonToFail = reasonToFail;
dialogFragment.provider = provider;
return dialogFragment;
}
/**
* @return a new instance of this DialogFragment.
*/
public static DialogFragment newInstance(Provider provider, JSONObject errorJson, boolean testNewURL) {
ProviderSetupFailedDialog dialogFragment = new ProviderSetupFailedDialog();
dialogFragment.provider = provider;
try {
if (errorJson.has(ERRORS)) {
dialogFragment.reasonToFail = errorJson.getString(ERRORS);
} else {
//default error msg
dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
}
if (errorJson.has(ERRORID)) {
dialogFragment.downloadError = valueOf(errorJson.getString(ERRORID));
} else if (testNewURL) {
dialogFragment.downloadError = DOWNLOAD_ERRORS.ERROR_NEW_URL_NO_VPN_PROVIDER;
}
} catch (Exception e) {
e.printStackTrace();
dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
}
return dialogFragment;
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
restoreFromSavedInstance(savedInstanceState);
}
@Override
@NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setMessage(reasonToFail)
.setNegativeButton(R.string.cancel, (dialog, id)
-> interfaceWithConfigurationWizard.cancelSettingUpProvider());
switch (downloadError) {
case ERROR_CORRUPTED_PROVIDER_JSON:
builder.setPositiveButton(R.string.update_provider_details, (dialog, which)
-> interfaceWithConfigurationWizard.updateProviderDetails());
break;
case ERROR_CERTIFICATE_PINNING:
case ERROR_INVALID_CERTIFICATE:
builder.setPositiveButton(R.string.update_certificate, (dialog, which)
-> interfaceWithConfigurationWizard.updateProviderDetails());
break;
case ERROR_NEW_URL_NO_VPN_PROVIDER:
builder.setPositiveButton(R.string.retry, (dialog, id)
-> interfaceWithConfigurationWizard.addAndSelectNewProvider(provider.getMainUrlString()));
break;
default:
builder.setPositiveButton(R.string.retry, (dialog, id)
-> interfaceWithConfigurationWizard.retrySetUpProvider(provider));
break;
}
// Create the AlertDialog object and return it
return builder.create();
}
public interface DownloadFailedDialogInterface {
void retrySetUpProvider(@NonNull Provider provider);
void cancelSettingUpProvider();
void updateProviderDetails();
void addAndSelectNewProvider(String url);
}
DownloadFailedDialogInterface interfaceWithConfigurationWizard;
@Override
public void onAttach(Context context) {
super.onAttach(context);
try {
interfaceWithConfigurationWizard = (DownloadFailedDialogInterface) context;
} catch (ClassCastException e) {
throw new ClassCastException(context.toString()
+ " must implement NoticeDialogListener");
}
}
@Override
public void onCancel(DialogInterface dialog) {
dialog.dismiss();
interfaceWithConfigurationWizard.cancelSettingUpProvider();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelable(KEY_PROVIDER, provider);
outState.putString(KEY_REASON_TO_FAIL, reasonToFail);
outState.putString(KEY_DOWNLOAD_ERROR, downloadError.toString());
}
private void restoreFromSavedInstance(Bundle savedInstanceState) {
if (savedInstanceState == null) {
return;
}
if (savedInstanceState.containsKey(KEY_PROVIDER)) {
this.provider = savedInstanceState.getParcelable(KEY_PROVIDER);
}
if (savedInstanceState.containsKey(KEY_REASON_TO_FAIL)) {
this.reasonToFail = savedInstanceState.getString(KEY_REASON_TO_FAIL);
}
if (savedInstanceState.containsKey(KEY_DOWNLOAD_ERROR)) {
this.downloadError = valueOf(savedInstanceState.getString(KEY_DOWNLOAD_ERROR));
}
}
}
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