1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.vpndialogs;
18 
19 import android.content.Context;
20 import android.content.DialogInterface;
21 import android.content.Intent;
22 import android.content.pm.ApplicationInfo;
23 import android.content.pm.PackageManager;
24 import android.content.pm.ResolveInfo;
25 import android.graphics.drawable.Drawable;
26 import android.net.IConnectivityManager;
27 import android.net.VpnService;
28 import android.os.ServiceManager;
29 import android.text.Html;
30 import android.text.Html.ImageGetter;
31 import android.util.Log;
32 import android.view.View;
33 import android.widget.Button;
34 import android.widget.TextView;
35 
36 import com.android.internal.app.AlertActivity;
37 import com.android.internal.net.VpnConfig;
38 
39 import java.util.List;
40 
41 public class ConfirmDialog extends AlertActivity
42         implements DialogInterface.OnClickListener, ImageGetter {
43     private static final String TAG = "VpnConfirm";
44 
45     private String mPackage;
46 
47     private IConnectivityManager mService;
48 
49     private Button mButton;
50 
51     @Override
onResume()52     protected void onResume() {
53         super.onResume();
54         try {
55             mPackage = getCallingPackage();
56 
57             mService = IConnectivityManager.Stub.asInterface(
58                     ServiceManager.getService(Context.CONNECTIVITY_SERVICE));
59 
60             if (mService.prepareVpn(mPackage, null)) {
61                 setResult(RESULT_OK);
62                 finish();
63                 return;
64             }
65 
66             View view = View.inflate(this, R.layout.confirm, null);
67 
68             ((TextView) view.findViewById(R.id.warning)).setText(
69                     Html.fromHtml(
70                             getString(R.string.warning, VpnConfig.getVpnLabel(this, mPackage)),
71                     this, null /* tagHandler */));
72 
73             mAlertParams.mTitle = getText(R.string.prompt);
74             mAlertParams.mPositiveButtonText = getText(android.R.string.ok);
75             mAlertParams.mPositiveButtonListener = this;
76             mAlertParams.mNegativeButtonText = getText(android.R.string.cancel);
77             mAlertParams.mView = view;
78             setupAlert();
79 
80             getWindow().setCloseOnTouchOutside(false);
81             mButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
82             mButton.setFilterTouchesWhenObscured(true);
83         } catch (Exception e) {
84             Log.e(TAG, "onResume", e);
85             finish();
86         }
87     }
88 
89     @Override
getDrawable(String source)90     public Drawable getDrawable(String source) {
91         // Should only reach this when fetching the VPN icon for the warning string.
92         Drawable icon = getDrawable(R.drawable.ic_vpn_dialog);
93         icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
94         return icon;
95     }
96 
97     @Override
onBackPressed()98     public void onBackPressed() {
99     }
100 
101     @Override
onClick(DialogInterface dialog, int which)102     public void onClick(DialogInterface dialog, int which) {
103         try {
104             if (mService.prepareVpn(null, mPackage)) {
105                 // Authorize this app to initiate VPN connections in the future without user
106                 // intervention.
107                 mService.setVpnPackageAuthorization(true);
108                 setResult(RESULT_OK);
109             }
110         } catch (Exception e) {
111             Log.e(TAG, "onClick", e);
112         }
113     }
114 }
115