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 { |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 58 | private static final String TAG = "CaptivePortalLogin"; |
Lorenzo Colitti | cd29cb6 | 2015-01-14 00:16:03 +0900 | [diff] [blame] | 59 | private static final String DEFAULT_SERVER = "connectivitycheck.android.com"; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 60 | private static final int SOCKET_TIMEOUT_MS = 10000; |
| 61 | |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 62 | private enum Result { DISMISSED, UNWANTED, WANTED_AS_IS }; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 63 | |
| 64 | private URL mURL; |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 65 | private Network mNetwork; |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame^] | 66 | private CaptivePortal mCaptivePortal; |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 67 | private NetworkCallback mNetworkCallback; |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 68 | private ConnectivityManager mCm; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 69 | private boolean mLaunchBrowser = false; |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 70 | private MyWebViewClient mWebViewClient; |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 71 | |
| 72 | @Override |
| 73 | protected void onCreate(Bundle savedInstanceState) { |
| 74 | super.onCreate(savedInstanceState); |
| 75 | |
| 76 | String server = Settings.Global.getString(getContentResolver(), "captive_portal_server"); |
| 77 | if (server == null) server = DEFAULT_SERVER; |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 78 | mCm = ConnectivityManager.from(this); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 79 | try { |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 80 | mURL = new URL("http", server, "/generate_204"); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 81 | } catch (MalformedURLException e) { |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 82 | // System misconfigured, bail out in a way that at least provides network access. |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 83 | Log.e(TAG, "Invalid captive portal URL, server=" + server); |
| 84 | done(Result.WANTED_AS_IS); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 85 | } |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 86 | mNetwork = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_NETWORK); |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame^] | 87 | mCaptivePortal = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 88 | |
Paul Jensen | e0bef71 | 2014-12-10 15:12:18 -0500 | [diff] [blame] | 89 | // Also initializes proxy system properties. |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 90 | mCm.bindProcessToNetwork(mNetwork); |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 91 | |
| 92 | // Proxy system properties must be initialized before setContentView is called because |
| 93 | // setContentView initializes the WebView logic which in turn reads the system properties. |
| 94 | setContentView(R.layout.activity_captive_portal_login); |
| 95 | |
| 96 | getActionBar().setDisplayShowHomeEnabled(false); |
| 97 | |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 98 | // Exit app if Network disappears. |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 99 | final NetworkCapabilities networkCapabilities = mCm.getNetworkCapabilities(mNetwork); |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 100 | if (networkCapabilities == null) { |
| 101 | finish(); |
| 102 | return; |
| 103 | } |
| 104 | mNetworkCallback = new NetworkCallback() { |
| 105 | @Override |
| 106 | public void onLost(Network lostNetwork) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 107 | if (mNetwork.equals(lostNetwork)) done(Result.UNWANTED); |
Paul Jensen | 8df099d | 2014-09-26 15:19:17 -0400 | [diff] [blame] | 108 | } |
| 109 | }; |
| 110 | final NetworkRequest.Builder builder = new NetworkRequest.Builder(); |
| 111 | for (int transportType : networkCapabilities.getTransportTypes()) { |
| 112 | builder.addTransportType(transportType); |
| 113 | } |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 114 | mCm.registerNetworkCallback(builder.build(), mNetworkCallback); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 115 | |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 116 | final WebView myWebView = (WebView) findViewById(R.id.webview); |
| 117 | myWebView.clearCache(true); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 118 | WebSettings webSettings = myWebView.getSettings(); |
| 119 | webSettings.setJavaScriptEnabled(true); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 120 | mWebViewClient = new MyWebViewClient(); |
| 121 | myWebView.setWebViewClient(mWebViewClient); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 122 | myWebView.setWebChromeClient(new MyWebChromeClient()); |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 123 | // Start initial page load so WebView finishes loading proxy settings. |
| 124 | // Actual load of mUrl is initiated by MyWebViewClient. |
| 125 | myWebView.loadData("", "text/html", null); |
| 126 | } |
| 127 | |
| 128 | // Find WebView's proxy BroadcastReceiver and prompt it to read proxy system properties. |
| 129 | private void setWebViewProxy() { |
| 130 | LoadedApk loadedApk = getApplication().mLoadedApk; |
| 131 | try { |
| 132 | Field receiversField = LoadedApk.class.getDeclaredField("mReceivers"); |
| 133 | receiversField.setAccessible(true); |
| 134 | ArrayMap receivers = (ArrayMap) receiversField.get(loadedApk); |
| 135 | for (Object receiverMap : receivers.values()) { |
| 136 | for (Object rec : ((ArrayMap) receiverMap).keySet()) { |
| 137 | Class clazz = rec.getClass(); |
| 138 | if (clazz.getName().contains("ProxyChangeListener")) { |
| 139 | Method onReceiveMethod = clazz.getDeclaredMethod("onReceive", Context.class, |
| 140 | Intent.class); |
| 141 | Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION); |
| 142 | onReceiveMethod.invoke(rec, getApplicationContext(), intent); |
| 143 | Log.v(TAG, "Prompting WebView proxy reload."); |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | } catch (Exception e) { |
| 148 | Log.e(TAG, "Exception while setting WebView proxy: " + e); |
| 149 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 150 | } |
| 151 | |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 152 | private void done(Result result) { |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 153 | if (mNetworkCallback != null) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 154 | mCm.unregisterNetworkCallback(mNetworkCallback); |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 155 | mNetworkCallback = null; |
Paul Jensen | 71b645f | 2014-10-13 14:13:07 -0400 | [diff] [blame] | 156 | } |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 157 | switch (result) { |
| 158 | case DISMISSED: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame^] | 159 | mCaptivePortal.reportCaptivePortalDismissed(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 160 | break; |
| 161 | case UNWANTED: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame^] | 162 | mCaptivePortal.ignoreNetwork(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 163 | break; |
| 164 | case WANTED_AS_IS: |
Paul Jensen | 49e3edf | 2015-05-22 10:50:39 -0400 | [diff] [blame^] | 165 | mCaptivePortal.useNetwork(); |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 166 | break; |
| 167 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 168 | finish(); |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public boolean onCreateOptionsMenu(Menu menu) { |
| 173 | getMenuInflater().inflate(R.menu.captive_portal_login, menu); |
| 174 | return true; |
| 175 | } |
| 176 | |
| 177 | @Override |
Paul Jensen | b6ea9ee | 2014-07-18 12:27:23 -0400 | [diff] [blame] | 178 | public void onBackPressed() { |
| 179 | WebView myWebView = (WebView) findViewById(R.id.webview); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 180 | if (myWebView.canGoBack() && mWebViewClient.allowBack()) { |
Paul Jensen | b6ea9ee | 2014-07-18 12:27:23 -0400 | [diff] [blame] | 181 | myWebView.goBack(); |
| 182 | } else { |
| 183 | super.onBackPressed(); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | @Override |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 188 | public boolean onOptionsItemSelected(MenuItem item) { |
| 189 | int id = item.getItemId(); |
| 190 | if (id == R.id.action_use_network) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 191 | done(Result.WANTED_AS_IS); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 192 | return true; |
| 193 | } |
| 194 | if (id == R.id.action_do_not_use_network) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 195 | done(Result.UNWANTED); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 196 | return true; |
| 197 | } |
| 198 | return super.onOptionsItemSelected(item); |
| 199 | } |
| 200 | |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 201 | @Override |
| 202 | public void onDestroy() { |
| 203 | super.onDestroy(); |
| 204 | |
| 205 | if (mNetworkCallback != null) { |
| 206 | mCm.unregisterNetworkCallback(mNetworkCallback); |
| 207 | mNetworkCallback = null; |
| 208 | } |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 209 | if (mLaunchBrowser) { |
| 210 | // Give time for this network to become default. After 500ms just proceed. |
| 211 | for (int i = 0; i < 5; i++) { |
| 212 | // TODO: This misses when mNetwork underlies a VPN. |
| 213 | if (mNetwork.equals(mCm.getActiveNetwork())) break; |
| 214 | try { |
| 215 | Thread.sleep(100); |
| 216 | } catch (InterruptedException e) { |
| 217 | } |
| 218 | } |
| 219 | startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(mURL.toString()))); |
| 220 | } |
Paul Jensen | 868f624 | 2015-05-18 12:48:28 -0400 | [diff] [blame] | 221 | } |
| 222 | |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 223 | private void testForCaptivePortal() { |
| 224 | new Thread(new Runnable() { |
| 225 | public void run() { |
| 226 | // Give time for captive portal to open. |
| 227 | try { |
| 228 | Thread.sleep(1000); |
| 229 | } catch (InterruptedException e) { |
| 230 | } |
| 231 | HttpURLConnection urlConnection = null; |
| 232 | int httpResponseCode = 500; |
| 233 | try { |
| 234 | urlConnection = (HttpURLConnection) mURL.openConnection(); |
| 235 | urlConnection.setInstanceFollowRedirects(false); |
| 236 | urlConnection.setConnectTimeout(SOCKET_TIMEOUT_MS); |
| 237 | urlConnection.setReadTimeout(SOCKET_TIMEOUT_MS); |
| 238 | urlConnection.setUseCaches(false); |
| 239 | urlConnection.getInputStream(); |
| 240 | httpResponseCode = urlConnection.getResponseCode(); |
| 241 | } catch (IOException e) { |
| 242 | } finally { |
| 243 | if (urlConnection != null) urlConnection.disconnect(); |
| 244 | } |
| 245 | if (httpResponseCode == 204) { |
Paul Jensen | 25a217c | 2015-02-27 22:55:47 -0500 | [diff] [blame] | 246 | done(Result.DISMISSED); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 247 | } |
| 248 | } |
| 249 | }).start(); |
| 250 | } |
| 251 | |
| 252 | private class MyWebViewClient extends WebViewClient { |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 253 | private static final String INTERNAL_ASSETS = "file:///android_asset/"; |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 254 | private final String mBrowserBailOutToken = Long.toString(new Random().nextLong()); |
| 255 | // How many Android device-independent-pixels per scaled-pixel |
| 256 | // dp/sp = (px/sp) / (px/dp) = (1/sp) / (1/dp) |
| 257 | private final float mDpPerSp = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 1, |
| 258 | getResources().getDisplayMetrics()) / |
| 259 | TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, |
| 260 | getResources().getDisplayMetrics()); |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 261 | private int mPagesLoaded; |
| 262 | |
| 263 | // If we haven't finished cleaning up the history, don't allow going back. |
| 264 | public boolean allowBack() { |
| 265 | return mPagesLoaded > 1; |
| 266 | } |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 267 | |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 268 | @Override |
| 269 | public void onPageStarted(WebView view, String url, Bitmap favicon) { |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 270 | if (url.contains(mBrowserBailOutToken)) { |
| 271 | mLaunchBrowser = true; |
| 272 | done(Result.WANTED_AS_IS); |
| 273 | return; |
| 274 | } |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 275 | // The first page load is used only to cause the WebView to |
| 276 | // fetch the proxy settings. Don't update the URL bar, and |
| 277 | // don't check if the captive portal is still there. |
| 278 | if (mPagesLoaded == 0) return; |
| 279 | // For internally generated pages, leave URL bar listing prior URL as this is the URL |
| 280 | // the page refers to. |
| 281 | if (!url.startsWith(INTERNAL_ASSETS)) { |
| 282 | final TextView myUrlBar = (TextView) findViewById(R.id.url_bar); |
| 283 | myUrlBar.setText(url); |
| 284 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 285 | testForCaptivePortal(); |
| 286 | } |
| 287 | |
| 288 | @Override |
| 289 | public void onPageFinished(WebView view, String url) { |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 290 | mPagesLoaded++; |
| 291 | if (mPagesLoaded == 1) { |
Paul Jensen | 88eb0fa | 2014-10-02 13:43:39 -0400 | [diff] [blame] | 292 | // Now that WebView has loaded at least one page we know it has read in the proxy |
| 293 | // settings. Now prompt the WebView read the Network-specific proxy settings. |
| 294 | setWebViewProxy(); |
| 295 | // Load the real page. |
| 296 | view.loadUrl(mURL.toString()); |
| 297 | return; |
Paul Jensen | e836b68 | 2015-05-19 12:30:56 -0400 | [diff] [blame] | 298 | } else if (mPagesLoaded == 2) { |
| 299 | // Prevent going back to empty first page. |
| 300 | view.clearHistory(); |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 301 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 302 | testForCaptivePortal(); |
| 303 | } |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 304 | |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 305 | // Convert Android device-independent-pixels (dp) to HTML size. |
| 306 | private String dp(int dp) { |
| 307 | // HTML px's are scaled just like dp's, so just add "px" suffix. |
| 308 | return Integer.toString(dp) + "px"; |
| 309 | } |
| 310 | |
| 311 | // Convert Android scaled-pixels (sp) to HTML size. |
| 312 | private String sp(int sp) { |
| 313 | // Convert sp to dp's. |
| 314 | float dp = sp * mDpPerSp; |
| 315 | // Apply a scale factor to make things look right. |
| 316 | dp *= 1.3; |
| 317 | // Convert dp's to HTML size. |
| 318 | return dp((int)dp); |
| 319 | } |
| 320 | |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 321 | // 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] | 322 | private final String SSL_ERROR_HTML = "<html><head><style>" + |
| 323 | "body { margin-left:" + dp(48) + "; margin-right:" + dp(48) + "; " + |
| 324 | "margin-top:" + dp(96) + "; background-color:#fafafa; }" + |
| 325 | "img { width:" + dp(48) + "; height:" + dp(48) + "; }" + |
| 326 | "div.warn { font-size:" + sp(16) + "; margin-top:" + dp(16) + "; " + |
| 327 | " opacity:0.87; line-height:1.28; }" + |
| 328 | "div.example { font-size:" + sp(14) + "; margin-top:" + dp(16) + "; " + |
| 329 | " opacity:0.54; line-height:1.21905; }" + |
| 330 | "a { font-size:" + sp(14) + "; text-decoration:none; text-transform:uppercase; " + |
| 331 | " margin-top:" + dp(24) + "; display:inline-block; color:#4285F4; " + |
| 332 | " height:" + dp(48) + "; font-weight:bold; }" + |
| 333 | "</style></head><body><p><img src=quantum_ic_warning_amber_96.png><br>" + |
| 334 | "<div class=warn>%s</div>" + |
| 335 | "<div class=example>%s</div>" + |
| 336 | "<a href=%s>%s</a></body></html>"; |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 337 | |
| 338 | @Override |
| 339 | public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) { |
Paul Jensen | 41ff524 | 2015-06-09 08:55:06 -0400 | [diff] [blame] | 340 | Log.w(TAG, "SSL error (error: " + error.getPrimaryError() + " host: " + |
| 341 | // Only show host to avoid leaking private info. |
| 342 | Uri.parse(error.getUrl()).getHost() + " certificate: " + |
| 343 | error.getCertificate() + "); displaying SSL warning."); |
Paul Jensen | 65636fb | 2015-05-06 14:40:59 -0400 | [diff] [blame] | 344 | final String html = String.format(SSL_ERROR_HTML, getString(R.string.ssl_error_warning), |
| 345 | getString(R.string.ssl_error_example), mBrowserBailOutToken, |
| 346 | getString(R.string.ssl_error_continue)); |
| 347 | view.loadDataWithBaseURL(INTERNAL_ASSETS, html, "text/HTML", "UTF-8", null); |
Paul Jensen | fc8022f | 2014-12-09 15:18:40 -0500 | [diff] [blame] | 348 | } |
Paul Jensen | fd54da9 | 2015-06-09 07:50:51 -0400 | [diff] [blame] | 349 | |
| 350 | @Override |
| 351 | public boolean shouldOverrideUrlLoading (WebView view, String url) { |
| 352 | if (url.startsWith("tel:")) { |
| 353 | startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(url))); |
| 354 | return true; |
| 355 | } |
| 356 | return false; |
| 357 | } |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | private class MyWebChromeClient extends WebChromeClient { |
| 361 | @Override |
| 362 | public void onProgressChanged(WebView view, int newProgress) { |
Paul Jensen | 5344a4a | 2015-05-06 07:39:36 -0400 | [diff] [blame] | 363 | final ProgressBar myProgressBar = (ProgressBar) findViewById(R.id.progress_bar); |
Paul Jensen | 8f333f1 | 2014-08-05 22:52:16 -0400 | [diff] [blame] | 364 | myProgressBar.setProgress(newProgress); |
Paul Jensen | 869868be | 2014-05-15 10:33:05 -0400 | [diff] [blame] | 365 | } |
| 366 | } |
| 367 | } |