separate packages for the different aspects of the application

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / NetworkUtil.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/NetworkUtil.java b/app/src/main/java/net/ktnx/mobileledger/utils/NetworkUtil.java
new file mode 100644 (file)
index 0000000..8386bbf
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/NetworkUtil.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2018 Damyan Ivanov.
+ * This file is part of Mobile-Ledger.
+ * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * Mobile-Ledger 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 terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.utils;
+
+import android.content.SharedPreferences;
+import android.util.Base64;
+import android.util.Log;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public final class NetworkUtil {
+    public static HttpURLConnection prepare_connection(SharedPreferences pref, String path) throws
+            IOException {
+        final String backend_url = pref.getString("backend_url", "");
+        final boolean use_auth = pref.getBoolean("backend_use_http_auth", false);
+        Log.d("network", "Connecting to "+backend_url + "/" + path);
+        HttpURLConnection http = (HttpURLConnection) new URL(backend_url + "/" + path).openConnection();
+        if (use_auth) {
+            final String auth_user = pref.getString("backend_auth_user", "");
+            final String auth_password = pref.getString("backend_auth_password", "");
+            final byte[] bytes = (String.format("%s:%s", auth_user, auth_password)).getBytes("UTF-8");
+            final String value = Base64.encodeToString(bytes, Base64.DEFAULT);
+            http.setRequestProperty("Authorization", "Basic " + value);
+        }
+        http.setAllowUserInteraction(false);
+        http.setRequestProperty("Accept-Charset", "UTF-8");
+        http.setInstanceFollowRedirects(false);
+        http.setUseCaches(false);
+
+        return http;
+    }
+}