| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.net; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.annotation.SystemService; |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.RemoteException; |
| |
| import com.android.internal.annotations.GuardedBy; |
| |
| import java.util.HashMap; |
| import java.util.Objects; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * @hide |
| */ |
| @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) |
| @SystemService(Context.PAC_PROXY_SERVICE) |
| public class PacProxyManager { |
| private final Context mContext; |
| private final IPacProxyManager mService; |
| @GuardedBy("mListenerMap") |
| private final HashMap<PacProxyInstalledListener, PacProxyInstalledListenerProxy> |
| mListenerMap = new HashMap<>(); |
| |
| /** @hide */ |
| public PacProxyManager(Context context, IPacProxyManager service) { |
| Objects.requireNonNull(service, "missing IPacProxyManager"); |
| mContext = context; |
| mService = service; |
| } |
| |
| /** |
| * Add a listener to start monitoring events reported by PacProxyService. |
| */ |
| @RequiresPermission(anyOf = { |
| android.Manifest.permission.NETWORK_STACK, |
| NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, |
| android.Manifest.permission.NETWORK_SETTINGS}) |
| public void addPacProxyInstalledListener(@NonNull Executor executor, |
| @NonNull PacProxyInstalledListener listener) { |
| try { |
| synchronized (mListenerMap) { |
| final PacProxyInstalledListenerProxy listenerProxy = |
| new PacProxyInstalledListenerProxy(executor, listener); |
| |
| if (null != mListenerMap.putIfAbsent(listener, listenerProxy)) { |
| throw new IllegalStateException("Listener is already added."); |
| } |
| mService.addListener(listenerProxy); |
| } |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Remove the listener to stop monitoring the event of PacProxyInstalledListener. |
| */ |
| @RequiresPermission(anyOf = { |
| android.Manifest.permission.NETWORK_STACK, |
| NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, |
| android.Manifest.permission.NETWORK_SETTINGS}) |
| public void removePacProxyInstalledListener(@NonNull PacProxyInstalledListener listener) { |
| try { |
| synchronized (mListenerMap) { |
| final PacProxyInstalledListenerProxy listenerProxy = mListenerMap.remove(listener); |
| if (listenerProxy == null) return; |
| mService.removeListener(listenerProxy); |
| } |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Updates the PAC Proxy Service with current Proxy information. |
| */ |
| @RequiresPermission(anyOf = { |
| android.Manifest.permission.NETWORK_STACK, |
| NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, |
| android.Manifest.permission.NETWORK_SETTINGS}) |
| public void setCurrentProxyScriptUrl(@Nullable ProxyInfo proxy) { |
| try { |
| mService.setCurrentProxyScriptUrl(proxy); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * A callback interface for monitoring changes of PAC proxy information. |
| */ |
| public interface PacProxyInstalledListener { |
| /** |
| * Notify that the PAC proxy has been installed. Note that this method will be called with |
| * a ProxyInfo with an empty PAC URL when the PAC proxy is removed. |
| * |
| * This method supports different PAC proxies per-network but not all devices might support |
| * per-network proxies. In that case it will be applied globally. |
| * |
| * @param network the network for which this proxy installed. |
| * @param proxy the installed proxy. |
| */ |
| void onPacProxyInstalled(@Nullable Network network, @NonNull ProxyInfo proxy); |
| } |
| |
| /** |
| * PacProxyInstalledListener proxy for PacProxyInstalledListener object. |
| * @hide |
| */ |
| public class PacProxyInstalledListenerProxy extends IPacProxyInstalledListener.Stub { |
| private final Executor mExecutor; |
| private final PacProxyInstalledListener mListener; |
| |
| PacProxyInstalledListenerProxy(Executor executor, PacProxyInstalledListener listener) { |
| mExecutor = executor; |
| mListener = listener; |
| } |
| |
| @Override |
| public void onPacProxyInstalled(Network network, ProxyInfo proxy) { |
| Binder.withCleanCallingIdentity(() -> { |
| mExecutor.execute(() -> { |
| mListener.onPacProxyInstalled(network, proxy); |
| }); |
| }); |
| } |
| } |
| } |