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add MoLe version to the crash report
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / NetworkUtil.java
1 /*
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.
8  *
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.
13  *
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/>.
16  */
17
18 package net.ktnx.mobileledger.utils;
19
20 import android.util.Base64;
21
22 import net.ktnx.mobileledger.model.MobileLedgerProfile;
23
24 import java.io.IOException;
25 import java.net.HttpURLConnection;
26 import java.net.URL;
27 import java.nio.charset.StandardCharsets;
28
29 import static net.ktnx.mobileledger.utils.Logger.debug;
30
31 public final class NetworkUtil {
32     private static final int thirtySeconds = 30000;
33     public static HttpURLConnection prepareConnection(MobileLedgerProfile profile, String path)
34             throws IOException {
35         String url = profile.getUrl();
36         final boolean use_auth = profile.isAuthEnabled();
37         if (!url.endsWith("/")) url += "/";
38         url += path;
39         debug("network", "Connecting to " + url);
40         HttpURLConnection http = (HttpURLConnection) new URL(url).openConnection();
41         if (use_auth) {
42             final String auth_user = profile.getAuthUserName();
43             final String auth_password = profile.getAuthPassword();
44             final byte[] bytes = (String.format("%s:%s", auth_user, auth_password))
45                     .getBytes(StandardCharsets.UTF_8);
46             final String value = Base64.encodeToString(bytes, Base64.DEFAULT);
47             http.setRequestProperty("Authorization", "Basic " + value);
48         }
49         http.setAllowUserInteraction(false);
50         http.setRequestProperty("Accept-Charset", "UTF-8");
51         http.setInstanceFollowRedirects(false);
52         http.setUseCaches(false);
53         http.setReadTimeout(thirtySeconds);
54         http.setConnectTimeout(thirtySeconds);
55
56         return http;
57     }
58 }