Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 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.captiveportallogin; |
| 18 | |
| 19 | import android.app.Activity; |
| 20 | import android.content.Intent; |
| 21 | import android.graphics.Bitmap; |
| 22 | import android.net.ConnectivityManager; |
| 23 | import android.net.Network; |
| 24 | import android.os.Bundle; |
| 25 | import android.provider.Settings; |
| 26 | import android.provider.Settings.Global; |
| 27 | import android.view.Menu; |
| 28 | import android.view.MenuItem; |
| 29 | import android.view.Window; |
| 30 | import android.webkit.WebChromeClient; |
| 31 | import android.webkit.WebSettings; |
| 32 | import android.webkit.WebView; |
| 33 | import android.webkit.WebViewClient; |
| 34 | |
| 35 | import java.io.IOException; |
| 36 | import java.net.HttpURLConnection; |
| 37 | import java.net.MalformedURLException; |
| 38 | import java.net.URL; |
| 39 | import java.lang.InterruptedException; |
| 40 | |
| 41 | public class CaptivePortalLoginActivity extends Activity { |
| 42 | private static final String DEFAULT_SERVER = "clients3.google.com"; |
| 43 | private static final int SOCKET_TIMEOUT_MS = 10000; |
| 44 | |
| 45 | // Keep this in sync with NetworkMonitor. |
| 46 | // Intent broadcast to ConnectivityService indicating sign-in is complete. |
| 47 | // Extras: |
| 48 | // EXTRA_TEXT = netId |
| 49 | // LOGGED_IN_RESULT = "1" if we should use network, "0" if not. |
| 50 | private static final String ACTION_CAPTIVE_PORTAL_LOGGED_IN = |
| 51 | "android.net.netmon.captive_portal_logged_in"; |
| 52 | private static final String LOGGED_IN_RESULT = "result"; |
| 53 | |
| 54 | private URL mURL; |
| 55 | private int mNetId; |
| 56 | |
| 57 | @Override |
| 58 | protected void onCreate(Bundle savedInstanceState) { |
| 59 | super.onCreate(savedInstanceState); |
| 60 | |
| 61 | String server = Settings.Global.getString(getContentResolver(), "captive_portal_server"); |
| 62 | if (server == null) server = DEFAULT_SERVER; |
| 63 | try { |
| 64 | mURL = new URL("http://" + server + "/generate_204"); |
| 65 | } catch (MalformedURLException e) { |
| 66 | done(true); |
| 67 | } |
| 68 | |
| 69 | requestWindowFeature(Window.FEATURE_PROGRESS); |
| 70 | setContentView(R.layout.activity_captive_portal_login); |
| 71 | |
| 72 | getActionBar().setDisplayShowHomeEnabled(false); |
| 73 | |
| 74 | mNetId = Integer.parseInt(getIntent().getStringExtra(Intent.EXTRA_TEXT)); |
| 75 | ConnectivityManager.setProcessDefaultNetwork(new Network(mNetId)); |
| 76 | |
| 77 | WebView myWebView = (WebView) findViewById(R.id.webview); |
| 78 | WebSettings webSettings = myWebView.getSettings(); |
| 79 | webSettings.setJavaScriptEnabled(true); |
| 80 | myWebView.setWebViewClient(new MyWebViewClient()); |
| 81 | myWebView.setWebChromeClient(new MyWebChromeClient()); |
| 82 | myWebView.loadUrl(mURL.toString()); |
| 83 | } |
| 84 | |
| 85 | private void done(boolean use_network) { |
| 86 | Intent intent = new Intent(ACTION_CAPTIVE_PORTAL_LOGGED_IN); |
| 87 | intent.putExtra(Intent.EXTRA_TEXT, String.valueOf(mNetId)); |
| 88 | intent.putExtra(LOGGED_IN_RESULT, use_network ? "1" : "0"); |
| 89 | sendBroadcast(intent); |
| 90 | finish(); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public boolean onCreateOptionsMenu(Menu menu) { |
| 95 | getMenuInflater().inflate(R.menu.captive_portal_login, menu); |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public boolean onOptionsItemSelected(MenuItem item) { |
| 101 | int id = item.getItemId(); |
| 102 | if (id == R.id.action_use_network) { |
| 103 | done(true); |
| 104 | return true; |
| 105 | } |
| 106 | if (id == R.id.action_do_not_use_network) { |
| 107 | done(false); |
| 108 | return true; |
| 109 | } |
| 110 | return super.onOptionsItemSelected(item); |
| 111 | } |
| 112 | |
| 113 | private void testForCaptivePortal() { |
| 114 | new Thread(new Runnable() { |
| 115 | public void run() { |
| 116 | // Give time for captive portal to open. |
| 117 | try { |
| 118 | Thread.sleep(1000); |
| 119 | } catch (InterruptedException e) { |
| 120 | } |
| 121 | HttpURLConnection urlConnection = null; |
| 122 | int httpResponseCode = 500; |
| 123 | try { |
| 124 | urlConnection = (HttpURLConnection) mURL.openConnection(); |
| 125 | urlConnection.setInstanceFollowRedirects(false); |
| 126 | urlConnection.setConnectTimeout(SOCKET_TIMEOUT_MS); |
| 127 | urlConnection.setReadTimeout(SOCKET_TIMEOUT_MS); |
| 128 | urlConnection.setUseCaches(false); |
| 129 | urlConnection.getInputStream(); |
| 130 | httpResponseCode = urlConnection.getResponseCode(); |
| 131 | } catch (IOException e) { |
| 132 | } finally { |
| 133 | if (urlConnection != null) urlConnection.disconnect(); |
| 134 | } |
| 135 | if (httpResponseCode == 204) { |
| 136 | done(true); |
| 137 | } |
| 138 | } |
| 139 | }).start(); |
| 140 | } |
| 141 | |
| 142 | private class MyWebViewClient extends WebViewClient { |
| 143 | @Override |
| 144 | public void onPageStarted(WebView view, String url, Bitmap favicon) { |
| 145 | testForCaptivePortal(); |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public void onPageFinished(WebView view, String url) { |
| 150 | testForCaptivePortal(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | private class MyWebChromeClient extends WebChromeClient { |
| 155 | @Override |
| 156 | public void onProgressChanged(WebView view, int newProgress) { |
| 157 | setProgress(newProgress*100); |
| 158 | } |
| 159 | } |
| 160 | } |