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package app.fedilab.android.mastodon.viewmodel.mastodon;
/* Copyright 2021 Thomas Schneider
*
* This file is a part of Fedilab
*
* 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.
*
* Fedilab 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 Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import android.app.Application;
import android.os.Handler;
import android.os.Looper;
import androidx.annotation.NonNull;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.net.IDN;
import java.util.concurrent.TimeUnit;
import app.fedilab.android.mastodon.client.endpoints.MastodonAppsService;
import app.fedilab.android.mastodon.client.entities.api.Token;
import app.fedilab.android.mastodon.helper.Helper;
import okhttp3.OkHttpClient;
import retrofit2.Call;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class OauthVM extends AndroidViewModel {
final OkHttpClient okHttpClient = new OkHttpClient.Builder()
.readTimeout(60, TimeUnit.SECONDS)
.connectTimeout(60, TimeUnit.SECONDS)
.callTimeout(60, TimeUnit.SECONDS)
.proxy(Helper.getProxy(getApplication().getApplicationContext()))
.build();
private MutableLiveData<Token> tokenMutableLiveData;
private MutableLiveData<Void> voidMutableLiveData;
/**
* Constructor - String token can be for the app or the account
*
* @param application Application
*/
public OauthVM(@NonNull Application application) {
super(application);
}
private MastodonAppsService init(@NonNull String instance) {
Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ssZ").create();
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://" + IDN.toASCII(instance, IDN.ALLOW_UNASSIGNED) + "/")
.addConverterFactory(GsonConverterFactory.create(Helper.getDateBuilder()))
.client(okHttpClient)
.build();
return retrofit.create(MastodonAppsService.class);
}
/**
* Obtain a token
*
* @param instance Instance domain of the active account
* @return access token {@link LiveData} containing an {@link Token}
*/
public LiveData<Token> createToken(@NonNull String instance,
String grant_type,
String client_id,
String client_secret,
String redirect_uri,
String scope,
String code) {
MastodonAppsService mastodonAppsService = init(instance);
tokenMutableLiveData = new MutableLiveData<>();
new Thread(() -> {
Token token = null;
Call<Token> tokenCall = mastodonAppsService.createToken(grant_type, client_id, client_secret, redirect_uri, scope, code);
if (tokenCall != null) {
try {
Response<Token> tokenResponse = tokenCall.execute();
if (tokenResponse.isSuccessful()) {
token = tokenResponse.body();
}
} catch (Exception e) {
e.printStackTrace();
}
}
Handler mainHandler = new Handler(Looper.getMainLooper());
Token finalToken = token;
Runnable myRunnable = () -> tokenMutableLiveData.setValue(finalToken);
mainHandler.post(myRunnable);
}).start();
return tokenMutableLiveData;
}
/**
* Delete a token
*
* @param instance Domain of the instance
* @param token Access token to revoke
* @return access token {@link LiveData} containing an {@link Void}
*/
public LiveData<Void> revokeToken(@NonNull String instance,
String token,
String client_id,
String client_secret) {
MastodonAppsService mastodonAppsService = init(instance);
voidMutableLiveData = new MutableLiveData<>();
new Thread(() -> {
Call<Void> voidCall = mastodonAppsService.revokeToken(client_id, client_secret, token);
if (voidCall != null) {
try {
voidCall.execute();
} catch (Exception e) {
e.printStackTrace();
}
}
Handler mainHandler = new Handler(Looper.getMainLooper());
Runnable myRunnable = () -> voidMutableLiveData.setValue(null);
mainHandler.post(myRunnable);
}).start();
return voidMutableLiveData;
}
}
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