rearrange firewalling code, move to separate package

1 files changed, 73 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/firewall/FirewallManager.java b/app/src/main/java/se/leap/bitmaskclient/firewall/FirewallManager.java
new file mode 100644
index 00000000..a3be46e6
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/firewall/FirewallManager.java
@@ -0,0 +1,73 @@
+package se.leap.bitmaskclient.firewall;
+/**
+ * Copyright (c) 2019 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/>.
+ */
+
+import android.content.Context;
+
+import de.blinkt.openvpn.core.VpnStatus;
+import se.leap.bitmaskclient.utils.PreferenceHelper;
+
+
+public class FirewallManager implements FirewallCallback {
+    public static String BITMASK_CHAIN = "bitmask_fw";
+    static final String TAG = FirewallManager.class.getSimpleName();
+
+    private Context context;
+
+    public FirewallManager(Context context) {
+        this.context = context;
+    }
+
+
+    @Override
+    public void onFirewallStarted(boolean success) {
+        if (success) {
+            VpnStatus.logInfo("[FIREWALL] Custom rules established");
+        } else {
+            VpnStatus.logError("[FIREWALL] Could not establish custom rules.");
+        }
+    }
+
+    @Override
+    public void onFirewallStopped(boolean success) {
+        if (success) {
+            VpnStatus.logInfo("[FIREWALL] Custom rules deleted");
+        } else {
+            VpnStatus.logError("[FIREWALL] Could not delete custom rules");
+        }
+    }
+
+    @Override
+    public void onSuRequested(boolean success) {
+        PreferenceHelper.setSuPermission(context, success);
+        if (!success) {
+            VpnStatus.logError("[FIREWALL] Root permission needed to execute custom firewall rules.");
+        }
+    }
+
+
+    public void startFirewall() {
+        StartFirewallTask task = new StartFirewallTask(this);
+        task.execute();
+    }
+
+    public void shutdownFirewall() {
+        ShutdownFirewallTask task = new ShutdownFirewallTask(this);
+        task.execute();
+    }
+
+}