2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.utils;
20 import android.util.Base64;
21 import android.util.Log;
23 import net.ktnx.mobileledger.model.Data;
24 import net.ktnx.mobileledger.model.MobileLedgerProfile;
26 import java.io.IOException;
27 import java.net.HttpURLConnection;
29 import java.nio.charset.StandardCharsets;
31 public final class NetworkUtil {
32 private static final int thirtySeconds = 30000;
33 public static HttpURLConnection prepareConnection(String path) throws IOException {
34 MobileLedgerProfile profile = Data.profile.get();
35 final String backend_url = profile.getUrl();
36 final boolean use_auth = profile.isAuthEnabled();
37 Log.d("network", "Connecting to " + backend_url + "/" + path);
38 HttpURLConnection http =
39 (HttpURLConnection) new URL(backend_url + "/" + path).openConnection();
41 final String auth_user = profile.getAuthUserName();
42 final String auth_password = profile.getAuthPassword();
43 final byte[] bytes = (String.format("%s:%s", auth_user, auth_password))
44 .getBytes(StandardCharsets.UTF_8);
45 final String value = Base64.encodeToString(bytes, Base64.DEFAULT);
46 http.setRequestProperty("Authorization", "Basic " + value);
48 http.setAllowUserInteraction(false);
49 http.setRequestProperty("Accept-Charset", "UTF-8");
50 http.setInstanceFollowRedirects(false);
51 http.setUseCaches(false);
52 http.setReadTimeout(thirtySeconds);
53 http.setConnectTimeout(thirtySeconds);