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; |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 20 | import android.app.LoadedApk; |
| 21 | import android.content.Context; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 22 | import android.content.Intent; |
| 23 | import android.graphics.Bitmap; |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 24 | import android.net.CaptivePortal; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 25 | import android.net.ConnectivityManager; |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 26 | import android.net.ConnectivityManager.NetworkCallback; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 27 | import android.net.Network; |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 28 | import android.net.NetworkCapabilities; |
| 29 | import android.net.NetworkRequest; |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 30 | import android.net.Proxy; |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 31 | import android.net.Uri; |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 32 | import android.net.http.SslError; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 33 | import android.os.Bundle; |
| 34 | import android.provider.Settings; |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 35 | import android.util.ArrayMap; |
| 36 | import android.util.Log; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 37 | import android.util.TypedValue; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 38 | import android.view.Menu; |
| 39 | import android.view.MenuItem; |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 40 | import android.webkit.SslErrorHandler; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 41 | import android.webkit.WebChromeClient; |
| 42 | import android.webkit.WebSettings; |
| 43 | import android.webkit.WebView; |
| 44 | import android.webkit.WebViewClient; |
Paul Jensen | 8f333f1 | 2014-08-05 22:52:16 -0400 | [diff] [blame] | 45 | import android.widget.ProgressBar; |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 46 | import android.widget.TextView; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 47 | |
| 48 | import java.io.IOException; |
| 49 | import java.net.HttpURLConnection; |
| 50 | import java.net.MalformedURLException; |
| 51 | import java.net.URL; |
| 52 | import java.lang.InterruptedException; |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 53 | import java.lang.reflect.Field; |
| 54 | import java.lang.reflect.Method; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 55 | import java.util.Random; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 56 | |
| 57 | public class CaptivePortalLoginActivity extends Activity { |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 58 | private static final String TAG = CaptivePortalLoginActivity.class.getSimpleName(); |
| 59 | private static final boolean DBG = true; |
| 60 | |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 61 | private static final int SOCKET_TIMEOUT_MS = 10000; |
| 62 | |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 63 | private enum Result { DISMISSED, UNWANTED, WANTED_AS_IS }; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 64 | |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 65 | private URL mUrl; |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 66 | private Network mNetwork; |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 67 | private CaptivePortal mCaptivePortal; |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 68 | private NetworkCallback mNetworkCallback; |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 69 | private ConnectivityManager mCm; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 70 | private boolean mLaunchBrowser = false; |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 71 | private MyWebViewClient mWebViewClient; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 72 | |
| 73 | @Override |
| 74 | protected void onCreate(Bundle savedInstanceState) { |
| 75 | super.onCreate(savedInstanceState); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 76 | mCm = ConnectivityManager.from(this); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 77 | mNetwork = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_NETWORK); |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 78 | mCaptivePortal = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL); |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 79 | mUrl = getUrl(); |
| 80 | if (mUrl == null) { |
| 81 | // getUrl() failed to parse the url provided in the intent: bail out in a way that |
| 82 | // at least provides network access. |
| 83 | done(Result.WANTED_AS_IS); |
| 84 | return; |
| 85 | } |
| 86 | if (DBG) { |
| 87 | Log.d(TAG, String.format("onCreate for %s", mUrl.toString())); |
| 88 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 89 | |
Paul Jensen | e0bef71 | 2014-12-10 15:12:18 -0500 | [diff] [blame] | 90 | // Also initializes proxy system properties. |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 91 | mCm.bindProcessToNetwork(mNetwork); |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 92 | |
| 93 | // Proxy system properties must be initialized before setContentView is called because |
| 94 | // setContentView initializes the WebView logic which in turn reads the system properties. |
| 95 | setContentView(R.layout.activity_captive_portal_login); |
| 96 | |
| 97 | getActionBar().setDisplayShowHomeEnabled(false); |
| 98 | |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 99 | // Exit app if Network disappears. |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 100 | final NetworkCapabilities networkCapabilities = mCm.getNetworkCapabilities(mNetwork); |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 101 | if (networkCapabilities == null) { |
Paul Jensen | 6a776c83 | 2016-07-19 13:19:39 -0400 | [diff] [blame] | 102 | finishAndRemoveTask(); |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 103 | return; |
| 104 | } |
| 105 | mNetworkCallback = new NetworkCallback() { |
| 106 | @Override |
| 107 | public void onLost(Network lostNetwork) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 108 | if (mNetwork.equals(lostNetwork)) done(Result.UNWANTED); |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 109 | } |
| 110 | }; |
| 111 | final NetworkRequest.Builder builder = new NetworkRequest.Builder(); |
| 112 | for (int transportType : networkCapabilities.getTransportTypes()) { |
| 113 | builder.addTransportType(transportType); |
| 114 | } |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 115 | mCm.registerNetworkCallback(builder.build(), mNetworkCallback); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 116 | |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 117 | final WebView myWebView = (WebView) findViewById(R.id.webview); |
| 118 | myWebView.clearCache(true); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 119 | WebSettings webSettings = myWebView.getSettings(); |
| 120 | webSettings.setJavaScriptEnabled(true); |
Lorenzo Colitti | 6251663 | 2016-10-21 18:41:25 +0900 | [diff] [blame] | 121 | webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_COMPATIBILITY_MODE); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 122 | mWebViewClient = new MyWebViewClient(); |
| 123 | myWebView.setWebViewClient(mWebViewClient); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 124 | myWebView.setWebChromeClient(new MyWebChromeClient()); |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 125 | // Start initial page load so WebView finishes loading proxy settings. |
| 126 | // Actual load of mUrl is initiated by MyWebViewClient. |
| 127 | myWebView.loadData("", "text/html", null); |
| 128 | } |
| 129 | |
| 130 | // Find WebView's proxy BroadcastReceiver and prompt it to read proxy system properties. |
| 131 | private void setWebViewProxy() { |
| 132 | LoadedApk loadedApk = getApplication().mLoadedApk; |
| 133 | try { |
| 134 | Field receiversField = LoadedApk.class.getDeclaredField("mReceivers"); |
| 135 | receiversField.setAccessible(true); |
| 136 | ArrayMap receivers = (ArrayMap) receiversField.get(loadedApk); |
| 137 | for (Object receiverMap : receivers.values()) { |
| 138 | for (Object rec : ((ArrayMap) receiverMap).keySet()) { |
| 139 | Class clazz = rec.getClass(); |
| 140 | if (clazz.getName().contains("ProxyChangeListener")) { |
| 141 | Method onReceiveMethod = clazz.getDeclaredMethod("onReceive", Context.class, |
| 142 | Intent.class); |
| 143 | Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION); |
| 144 | onReceiveMethod.invoke(rec, getApplicationContext(), intent); |
| 145 | Log.v(TAG, "Prompting WebView proxy reload."); |
| 146 | } |
| 147 | } |
| 148 | } |
| 149 | } catch (Exception e) { |
| 150 | Log.e(TAG, "Exception while setting WebView proxy: " + e); |
| 151 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 152 | } |
| 153 | |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 154 | private void done(Result result) { |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 155 | if (DBG) { |
| 156 | Log.d(TAG, String.format("Result %s for %s", result.name(), mUrl.toString())); |
| 157 | } |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 158 | if (mNetworkCallback != null) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 159 | mCm.unregisterNetworkCallback(mNetworkCallback); |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 160 | mNetworkCallback = null; |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 161 | } |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 162 | switch (result) { |
| 163 | case DISMISSED: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 164 | mCaptivePortal.reportCaptivePortalDismissed(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 165 | break; |
| 166 | case UNWANTED: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 167 | mCaptivePortal.ignoreNetwork(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 168 | break; |
| 169 | case WANTED_AS_IS: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame] | 170 | mCaptivePortal.useNetwork(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 171 | break; |
| 172 | } |
Paul Jensen | 6a776c83 | 2016-07-19 13:19:39 -0400 | [diff] [blame] | 173 | finishAndRemoveTask(); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public boolean onCreateOptionsMenu(Menu menu) { |
| 178 | getMenuInflater().inflate(R.menu.captive_portal_login, menu); |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | @Override |
Paul Jensen | b6ea9ee | 2014-07-18 12:27:23 -0400 | [diff] [blame] | 183 | public void onBackPressed() { |
| 184 | WebView myWebView = (WebView) findViewById(R.id.webview); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 185 | if (myWebView.canGoBack() && mWebViewClient.allowBack()) { |
Paul Jensen | b6ea9ee | 2014-07-18 12:27:23 -0400 | [diff] [blame] | 186 | myWebView.goBack(); |
| 187 | } else { |
| 188 | super.onBackPressed(); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | @Override |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 193 | public boolean onOptionsItemSelected(MenuItem item) { |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 194 | final Result result; |
| 195 | final String action; |
| 196 | final int id = item.getItemId(); |
| 197 | switch (id) { |
| 198 | case R.id.action_use_network: |
| 199 | result = Result.WANTED_AS_IS; |
| 200 | action = "USE_NETWORK"; |
| 201 | break; |
| 202 | case R.id.action_do_not_use_network: |
| 203 | result = Result.UNWANTED; |
| 204 | action = "DO_NOT_USE_NETWORK"; |
| 205 | break; |
| 206 | default: |
| 207 | return super.onOptionsItemSelected(item); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 208 | } |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 209 | if (DBG) { |
| 210 | Log.d(TAG, String.format("onOptionsItemSelect %s for %s", action, mUrl.toString())); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 211 | } |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 212 | done(result); |
| 213 | return true; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 214 | } |
| 215 | |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 216 | @Override |
| 217 | public void onDestroy() { |
| 218 | super.onDestroy(); |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 219 | if (mNetworkCallback != null) { |
| 220 | mCm.unregisterNetworkCallback(mNetworkCallback); |
| 221 | mNetworkCallback = null; |
| 222 | } |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 223 | if (mLaunchBrowser) { |
| 224 | // Give time for this network to become default. After 500ms just proceed. |
| 225 | for (int i = 0; i < 5; i++) { |
| 226 | // TODO: This misses when mNetwork underlies a VPN. |
| 227 | if (mNetwork.equals(mCm.getActiveNetwork())) break; |
| 228 | try { |
| 229 | Thread.sleep(100); |
| 230 | } catch (InterruptedException e) { |
| 231 | } |
| 232 | } |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 233 | final String url = mUrl.toString(); |
| 234 | if (DBG) { |
| 235 | Log.d(TAG, "starting activity with intent ACTION_VIEW for " + url); |
| 236 | } |
| 237 | startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url))); |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 238 | } |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 239 | } |
| 240 | |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 241 | private URL getUrl() { |
| 242 | String url = getIntent().getStringExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL_URL); |
| 243 | if (url == null) { |
| 244 | url = mCm.getCaptivePortalServerUrl(); |
| 245 | } |
| 246 | try { |
| 247 | return new URL(url); |
| 248 | } catch (MalformedURLException e) { |
| 249 | Log.e(TAG, "Invalid captive portal URL " + url); |
| 250 | } |
| 251 | return null; |
| 252 | } |
| 253 | |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 254 | private void testForCaptivePortal() { |
| 255 | new Thread(new Runnable() { |
| 256 | public void run() { |
| 257 | // Give time for captive portal to open. |
| 258 | try { |
| 259 | Thread.sleep(1000); |
| 260 | } catch (InterruptedException e) { |
| 261 | } |
| 262 | HttpURLConnection urlConnection = null; |
| 263 | int httpResponseCode = 500; |
| 264 | try { |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 265 | urlConnection = (HttpURLConnection) mUrl.openConnection(); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 266 | urlConnection.setInstanceFollowRedirects(false); |
| 267 | urlConnection.setConnectTimeout(SOCKET_TIMEOUT_MS); |
| 268 | urlConnection.setReadTimeout(SOCKET_TIMEOUT_MS); |
| 269 | urlConnection.setUseCaches(false); |
| 270 | urlConnection.getInputStream(); |
| 271 | httpResponseCode = urlConnection.getResponseCode(); |
| 272 | } catch (IOException e) { |
| 273 | } finally { |
| 274 | if (urlConnection != null) urlConnection.disconnect(); |
| 275 | } |
| 276 | if (httpResponseCode == 204) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 277 | done(Result.DISMISSED); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 278 | } |
| 279 | } |
| 280 | }).start(); |
| 281 | } |
| 282 | |
| 283 | private class MyWebViewClient extends WebViewClient { |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 284 | private static final String INTERNAL_ASSETS = "file:///android_asset/"; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 285 | private final String mBrowserBailOutToken = Long.toString(new Random().nextLong()); |
| 286 | // How many Android device-independent-pixels per scaled-pixel |
| 287 | // dp/sp = (px/sp) / (px/dp) = (1/sp) / (1/dp) |
| 288 | private final float mDpPerSp = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 1, |
| 289 | getResources().getDisplayMetrics()) / |
| 290 | TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, |
| 291 | getResources().getDisplayMetrics()); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 292 | private int mPagesLoaded; |
| 293 | |
| 294 | // If we haven't finished cleaning up the history, don't allow going back. |
| 295 | public boolean allowBack() { |
| 296 | return mPagesLoaded > 1; |
| 297 | } |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 298 | |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 299 | @Override |
| 300 | public void onPageStarted(WebView view, String url, Bitmap favicon) { |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 301 | if (url.contains(mBrowserBailOutToken)) { |
| 302 | mLaunchBrowser = true; |
| 303 | done(Result.WANTED_AS_IS); |
| 304 | return; |
| 305 | } |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 306 | // The first page load is used only to cause the WebView to |
| 307 | // fetch the proxy settings. Don't update the URL bar, and |
| 308 | // don't check if the captive portal is still there. |
| 309 | if (mPagesLoaded == 0) return; |
| 310 | // For internally generated pages, leave URL bar listing prior URL as this is the URL |
| 311 | // the page refers to. |
| 312 | if (!url.startsWith(INTERNAL_ASSETS)) { |
| 313 | final TextView myUrlBar = (TextView) findViewById(R.id.url_bar); |
| 314 | myUrlBar.setText(url); |
| 315 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 316 | testForCaptivePortal(); |
| 317 | } |
| 318 | |
| 319 | @Override |
| 320 | public void onPageFinished(WebView view, String url) { |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 321 | mPagesLoaded++; |
| 322 | if (mPagesLoaded == 1) { |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 323 | // Now that WebView has loaded at least one page we know it has read in the proxy |
| 324 | // settings. Now prompt the WebView read the Network-specific proxy settings. |
| 325 | setWebViewProxy(); |
| 326 | // Load the real page. |
Hugo Benichi | 87de0c2 | 2016-12-06 15:36:30 +0900 | [diff] [blame] | 327 | view.loadUrl(mUrl.toString()); |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 328 | return; |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 329 | } else if (mPagesLoaded == 2) { |
| 330 | // Prevent going back to empty first page. |
| 331 | view.clearHistory(); |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 332 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 333 | testForCaptivePortal(); |
| 334 | } |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 335 | |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 336 | // Convert Android device-independent-pixels (dp) to HTML size. |
| 337 | private String dp(int dp) { |
| 338 | // HTML px's are scaled just like dp's, so just add "px" suffix. |
| 339 | return Integer.toString(dp) + "px"; |
| 340 | } |
| 341 | |
| 342 | // Convert Android scaled-pixels (sp) to HTML size. |
| 343 | private String sp(int sp) { |
| 344 | // Convert sp to dp's. |
| 345 | float dp = sp * mDpPerSp; |
| 346 | // Apply a scale factor to make things look right. |
| 347 | dp *= 1.3; |
| 348 | // Convert dp's to HTML size. |
| 349 | return dp((int)dp); |
| 350 | } |
| 351 | |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 352 | // A web page consisting of a large broken lock icon to indicate SSL failure. |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 353 | private final String SSL_ERROR_HTML = "<html><head><style>" + |
| 354 | "body { margin-left:" + dp(48) + "; margin-right:" + dp(48) + "; " + |
| 355 | "margin-top:" + dp(96) + "; background-color:#fafafa; }" + |
| 356 | "img { width:" + dp(48) + "; height:" + dp(48) + "; }" + |
| 357 | "div.warn { font-size:" + sp(16) + "; margin-top:" + dp(16) + "; " + |
| 358 | " opacity:0.87; line-height:1.28; }" + |
| 359 | "div.example { font-size:" + sp(14) + "; margin-top:" + dp(16) + "; " + |
| 360 | " opacity:0.54; line-height:1.21905; }" + |
| 361 | "a { font-size:" + sp(14) + "; text-decoration:none; text-transform:uppercase; " + |
| 362 | " margin-top:" + dp(24) + "; display:inline-block; color:#4285F4; " + |
| 363 | " height:" + dp(48) + "; font-weight:bold; }" + |
| 364 | "</style></head><body><p><img src=quantum_ic_warning_amber_96.png><br>" + |
| 365 | "<div class=warn>%s</div>" + |
| 366 | "<div class=example>%s</div>" + |
| 367 | "<a href=%s>%s</a></body></html>"; |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 368 | |
| 369 | @Override |
| 370 | public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) { |
Paul Jensen | 41ff524 | 2015-06-09 08:55:06 -0400 | [diff] [blame] | 371 | Log.w(TAG, "SSL error (error: " + error.getPrimaryError() + " host: " + |
| 372 | // Only show host to avoid leaking private info. |
| 373 | Uri.parse(error.getUrl()).getHost() + " certificate: " + |
| 374 | error.getCertificate() + "); displaying SSL warning."); |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 375 | final String html = String.format(SSL_ERROR_HTML, getString(R.string.ssl_error_warning), |
| 376 | getString(R.string.ssl_error_example), mBrowserBailOutToken, |
| 377 | getString(R.string.ssl_error_continue)); |
| 378 | view.loadDataWithBaseURL(INTERNAL_ASSETS, html, "text/HTML", "UTF-8", null); |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 379 | } |
Paul Jensen | fd54da9 | 2015-06-09 07:50:51 -0400 | [diff] [blame] | 380 | |
| 381 | @Override |
| 382 | public boolean shouldOverrideUrlLoading (WebView view, String url) { |
| 383 | if (url.startsWith("tel:")) { |
| 384 | startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(url))); |
| 385 | return true; |
| 386 | } |
| 387 | return false; |
| 388 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | private class MyWebChromeClient extends WebChromeClient { |
| 392 | @Override |
| 393 | public void onProgressChanged(WebView view, int newProgress) { |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 394 | final ProgressBar myProgressBar = (ProgressBar) findViewById(R.id.progress_bar); |
Paul Jensen | 8f333f1 | 2014-08-05 22:52:16 -0400 | [diff] [blame] | 395 | myProgressBar.setProgress(newProgress); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 396 | } |
| 397 | } |
| 398 | } |