Proxy configurators

src/org/adblockplus/android/configurators/CyanogenProxyConfigurator.java

+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2014 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.android.configurators;
+
+import java.net.InetAddress;
+
+import org.adblockplus.android.Utils;
+import org.adblockplus.android.compat.CmGlobalProxyManager;
+import org.adblockplus.android.compat.ProxyProperties;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.util.Log;
+
+public class CyanogenProxyConfigurator implements ProxyConfigurator
+{
+  private static final String TAG = Utils.getTag(CyanogenProxyConfigurator.class);
+
+  private final Context context;
+  private ProxyProperties proxyProperties = null;
+  private final GlobalProxyReceiver globalProxyReceiver;
+  private volatile boolean isRegistered = false;
+
+  public CyanogenProxyConfigurator(final Context context)
+  {
+    this.context = context;
+    this.globalProxyReceiver = new GlobalProxyReceiver(this);
+  }
+
+  @Override
+  public boolean initialize()
+  {
+    try
+    {
+      final boolean success = new ProxyProperties("localhost", 8080, "").toCmProxyProperties() != null;
+
+      if (success)
+      {
+        this.context.registerReceiver(this.globalProxyReceiver, new IntentFilter(CmGlobalProxyManager.GLOBAL_PROXY_STATE_CHANGE_ACTION));
+      }
+
+      return success;
+    }
+    catch (final Throwable t)
+    {
+      return false;
+    }
+  }
+
+  @Override
+  public boolean registerProxy(final InetAddress address, final int port)
+  {
+    try
+    {
+      final CmGlobalProxyManager globalProxyManager = new CmGlobalProxyManager(this.context);
+      globalProxyManager.setGlobalProxy(this.proxyProperties = new ProxyProperties(address.getHostName(), port));
+      return this.isRegistered = true;
+    }
+    catch (final Throwable t)
+    {
+      Log.d(TAG, "Failed to register proxy using CMapi", t);
+      return false;
+    }
+  }
+
+  @Override
+  public void unregisterProxy()
+  {
+    // TODO Do we need to do something here?
+  }
+
+  @Override
+  public void shutdown()
+  {
+    this.context.unregisterReceiver(this.globalProxyReceiver);
+  }
+
+  @Override
+  public ProxyRegistrationType getType()
+  {
+    return ProxyRegistrationType.CYANOGENMOD;
+  }
+
+  @Override
+  public boolean isRegistered()
+  {
+    return this.isRegistered;
+  }
+
+  @Override
+  public boolean isSticky()
+  {
+    return true;
+  }
+
+  @Override
+  public String toString()
+  {
+    return "[ProxyConfigurator: " + this.getType() + "]";
+  }
+
+  private static class GlobalProxyReceiver extends BroadcastReceiver
+  {
+    private final CyanogenProxyConfigurator cyanogenProxyConfigurator;
+
+    public GlobalProxyReceiver(final CyanogenProxyConfigurator cyanogenProxyConfigurator)
+    {
+      this.cyanogenProxyConfigurator = cyanogenProxyConfigurator;
+    }
+
+    @Override
+    public void onReceive(final Context context, final Intent intent)
+    {
+      if (intent != null && CmGlobalProxyManager.GLOBAL_PROXY_STATE_CHANGE_ACTION.equals(intent.getAction()))
+      {
+        try
+        {
+          final CmGlobalProxyManager globalProxyManager = new CmGlobalProxyManager(this.cyanogenProxyConfigurator.context);
+          globalProxyManager.setGlobalProxy(this.cyanogenProxyConfigurator.proxyProperties);
+        }
+        catch (final Throwable t)
+        {
+          Log.d(TAG, "GlobalProxyReceiver failed to register proxy", t);
+        }
+      }
+    }
+  }
+}