git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.amazonechocontrol.internal;
  14
  15 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.*;
  16
  17 import java.io.IOException;
  18 import java.io.UnsupportedEncodingException;
  19 import java.net.URISyntaxException;
  20 import java.net.URLDecoder;
  21 import java.net.URLEncoder;
  22 import java.nio.charset.StandardCharsets;
  23 import java.util.HashMap;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.stream.Collectors;
  27
  28 import javax.net.ssl.HttpsURLConnection;
  29 import javax.servlet.ServletException;
  30 import javax.servlet.http.HttpServlet;
  31 import javax.servlet.http.HttpServletRequest;
  32 import javax.servlet.http.HttpServletResponse;
  33
  34 import org.eclipse.jdt.annotation.NonNullByDefault;
  35 import org.eclipse.jdt.annotation.Nullable;
  36 import org.openhab.binding.amazonechocontrol.internal.handler.AccountHandler;
  37 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonBluetoothStates;
  38 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonBluetoothStates.BluetoothState;
  39 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonBluetoothStates.PairedDevice;
  40 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonDevices.Device;
  41 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonMusicProvider;
  42 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonNotificationSound;
  43 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonPlaylists;
  44 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonPlaylists.PlayList;
  45 import org.openhab.core.thing.Thing;
  46 import org.osgi.service.http.HttpService;
  47 import org.osgi.service.http.NamespaceException;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50 import org.unbescape.html.HtmlEscape;
  51
  52 import com.google.gson.Gson;
  53 import com.google.gson.JsonSyntaxException;
  54
  55 /**
  56  * Provides the following functions
  57  * --- Login ---
  58  * Simple http proxy to forward the login dialog from amazon to the user through the binding
  59  * so the user can enter a captcha or other extended login information
  60  * --- List of devices ---
  61  * Used to get the device information of new devices which are currently not known
  62  * --- List of IDs ---
  63  * Simple possibility for a user to get the ids needed for writing rules
  64  *
  65  * @author Michael Geramb - Initial Contribution
  66  */
  67 @NonNullByDefault
  68 public class AccountServlet extends HttpServlet {
  69
  70     private static final long serialVersionUID = -1453738923337413163L;
  71     private static final String FORWARD_URI_PART = "/FORWARD/";
  72     private static final String PROXY_URI_PART = "/PROXY/";
  73
  74     private final Logger logger = LoggerFactory.getLogger(AccountServlet.class);
  75
  76     private final HttpService httpService;
  77     private final String servletUrlWithoutRoot;
  78     private final String servletUrl;
  79     private final AccountHandler account;
  80     private final String id;
  81     private @Nullable Connection connectionToInitialize;
  82     private final Gson gson;
  83
  84     public AccountServlet(HttpService httpService, String id, AccountHandler account, Gson gson) {
  85         this.httpService = httpService;
  86         this.account = account;
  87         this.id = id;
  88         this.gson = gson;
  89
  90         try {
  91             servletUrlWithoutRoot = "amazonechocontrol/" + URLEncoder.encode(id, "UTF8");
  92             servletUrl = "/" + servletUrlWithoutRoot;
  93
  94             httpService.registerServlet(servletUrl, this, null, httpService.createDefaultHttpContext());
  95         } catch (UnsupportedEncodingException | NamespaceException | ServletException e) {
  96             throw new IllegalStateException(e.getMessage());
  97         }
  98     }
  99
 100     private Connection reCreateConnection() {
 101         Connection oldConnection = connectionToInitialize;
 102         if (oldConnection == null) {
 103             oldConnection = account.findConnection();
 104         }
 105         return new Connection(oldConnection, this.gson);
 106     }
 107
 108     public void dispose() {
 109         httpService.unregister(servletUrl);
 110     }
 111
 112     @Override
 113     protected void doPut(@Nullable HttpServletRequest req, @Nullable HttpServletResponse resp)
 114             throws ServletException, IOException {
 115         doVerb("PUT", req, resp);
 116     }
 117
 118     @Override
 119     protected void doDelete(@Nullable HttpServletRequest req, @Nullable HttpServletResponse resp)
 120             throws ServletException, IOException {
 121         doVerb("DELETE", req, resp);
 122     }
 123
 124     @Override
 125     protected void doPost(@Nullable HttpServletRequest req, @Nullable HttpServletResponse resp)
 126             throws ServletException, IOException {
 127         doVerb("POST", req, resp);
 128     }
 129
 130     void doVerb(String verb, @Nullable HttpServletRequest req, @Nullable HttpServletResponse resp) throws IOException {
 131         if (req == null) {
 132             return;
 133         }
 134         if (resp == null) {
 135             return;
 136         }
 137         String requestUri = req.getRequestURI();
 138         if (requestUri == null) {
 139             return;
 140         }
 141         String baseUrl = requestUri.substring(servletUrl.length());
 142         String uri = baseUrl;
 143         String queryString = req.getQueryString();
 144         if (queryString != null && queryString.length() > 0) {
 145             uri += "?" + queryString;
 146         }
 147
 148         Connection connection = this.account.findConnection();
 149         if (connection != null && uri.equals("/changedomain")) {
 150             Map<String, String[]> map = req.getParameterMap();
 151             String[] domainArray = map.get("domain");
 152             if (domainArray == null) {
 153                 logger.warn("Could not determine domain");
 154                 return;
 155             }
 156             String domain = domainArray[0];
 157             String loginData = connection.serializeLoginData();
 158             Connection newConnection = new Connection(null, this.gson);
 159             if (newConnection.tryRestoreLogin(loginData, domain)) {
 160                 account.setConnection(newConnection);
 161             }
 162             resp.sendRedirect(servletUrl);
 163             return;
 164         }
 165         if (uri.startsWith(PROXY_URI_PART)) {
 166             // handle proxy request
 167
 168             if (connection == null) {
 169                 returnError(resp, "Account not online");
 170                 return;
 171             }
 172             String getUrl = "https://alexa." + connection.getAmazonSite() + "/"
 173                     + uri.substring(PROXY_URI_PART.length());
 174
 175             String postData = null;
 176             if ("POST".equals(verb) || "PUT".equals(verb)) {
 177                 postData = req.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
 178             }
 179
 180             this.handleProxyRequest(connection, resp, verb, getUrl, null, postData, true, connection.getAmazonSite());
 181             return;
 182         }
 183
 184         // handle post of login page
 185         connection = this.connectionToInitialize;
 186         if (connection == null) {
 187             returnError(resp, "Connection not in initialize mode.");
 188             return;
 189         }
 190
 191         resp.addHeader("content-type", "text/html;charset=UTF-8");
 192
 193         Map<String, String[]> map = req.getParameterMap();
 194         StringBuilder postDataBuilder = new StringBuilder();
 195         for (String name : map.keySet()) {
 196             if (postDataBuilder.length() > 0) {
 197                 postDataBuilder.append('&');
 198             }
 199
 200             postDataBuilder.append(name);
 201             postDataBuilder.append('=');
 202             String value = "";
 203             if (name.equals("failedSignInCount")) {
 204                 value = "ape:AA==";
 205             } else {
 206                 String[] strings = map.get(name);
 207                 if (strings != null && strings.length > 0 && strings[0] != null) {
 208                     value = strings[0];
 209                 }
 210             }
 211             postDataBuilder.append(URLEncoder.encode(value, StandardCharsets.UTF_8.name()));
 212         }
 213
 214         uri = req.getRequestURI();
 215         if (uri == null || !uri.startsWith(servletUrl)) {
 216             returnError(resp, "Invalid request uri '" + uri + "'");
 217             return;
 218         }
 219         String relativeUrl = uri.substring(servletUrl.length()).replace(FORWARD_URI_PART, "/");
 220
 221         String site = connection.getAmazonSite();
 222         if (relativeUrl.startsWith("/ap/signin")) {
 223             site = "amazon.com";
 224         }
 225         String postUrl = "https://www." + site + relativeUrl;
 226         queryString = req.getQueryString();
 227         if (queryString != null && queryString.length() > 0) {
 228             postUrl += "?" + queryString;
 229         }
 230         String referer = "https://www." + site;
 231         String postData = postDataBuilder.toString();
 232         handleProxyRequest(connection, resp, "POST", postUrl, referer, postData, false, site);
 233     }
 234
 235     @Override
 236     protected void doGet(@Nullable HttpServletRequest req, @Nullable HttpServletResponse resp) throws IOException {
 237         if (req == null) {
 238             return;
 239         }
 240         if (resp == null) {
 241             return;
 242         }
 243         String requestUri = req.getRequestURI();
 244         if (requestUri == null) {
 245             return;
 246         }
 247         String baseUrl = requestUri.substring(servletUrl.length());
 248         String uri = baseUrl;
 249         String queryString = req.getQueryString();
 250         if (queryString != null && queryString.length() > 0) {
 251             uri += "?" + queryString;
 252         }
 253         logger.debug("doGet {}", uri);
 254         try {
 255             Connection connection = this.connectionToInitialize;
 256             if (uri.startsWith(FORWARD_URI_PART) && connection != null) {
 257                 String getUrl = "https://www." + connection.getAmazonSite() + "/"
 258                         + uri.substring(FORWARD_URI_PART.length());
 259
 260                 this.handleProxyRequest(connection, resp, "GET", getUrl, null, null, false, connection.getAmazonSite());
 261                 return;
 262             }
 263
 264             connection = this.account.findConnection();
 265             if (uri.startsWith(PROXY_URI_PART)) {
 266                 // handle proxy request
 267
 268                 if (connection == null) {
 269                     returnError(resp, "Account not online");
 270                     return;
 271                 }
 272                 String getUrl = "https://alexa." + connection.getAmazonSite() + "/"
 273                         + uri.substring(PROXY_URI_PART.length());
 274
 275                 this.handleProxyRequest(connection, resp, "GET", getUrl, null, null, false, connection.getAmazonSite());
 276                 return;
 277             }
 278
 279             if (connection != null && connection.verifyLogin()) {
 280                 // handle commands
 281                 if (baseUrl.equals("/logout") || baseUrl.equals("/logout/")) {
 282                     this.connectionToInitialize = reCreateConnection();
 283                     this.account.setConnection(null);
 284                     resp.sendRedirect(this.servletUrl);
 285                     return;
 286                 }
 287                 // handle commands
 288                 if (baseUrl.equals("/newdevice") || baseUrl.equals("/newdevice/")) {
 289                     this.connectionToInitialize = new Connection(null, this.gson);
 290                     this.account.setConnection(null);
 291                     resp.sendRedirect(this.servletUrl);
 292                     return;
 293                 }
 294
 295                 if (baseUrl.equals("/devices") || baseUrl.equals("/devices/")) {
 296                     handleDevices(resp, connection);
 297                     return;
 298                 }
 299                 if (baseUrl.equals("/changeDomain") || baseUrl.equals("/changeDomain/")) {
 300                     handleChangeDomain(resp, connection);
 301                     return;
 302                 }
 303                 if (baseUrl.equals("/ids") || baseUrl.equals("/ids/")) {
 304                     String serialNumber = getQueryMap(queryString).get("serialNumber");
 305                     Device device = account.findDeviceJson(serialNumber);
 306                     if (device != null) {
 307                         Thing thing = account.findThingBySerialNumber(device.serialNumber);
 308                         handleIds(resp, connection, device, thing);
 309                         return;
 310                     }
 311                 }
 312                 // return hint that everything is ok
 313                 handleDefaultPageResult(resp, "The Account is logged in.", connection);
 314                 return;
 315             }
 316             connection = this.connectionToInitialize;
 317             if (connection == null) {
 318                 connection = this.reCreateConnection();
 319                 this.connectionToInitialize = connection;
 320             }
 321
 322             if (!uri.equals("/")) {
 323                 String newUri = req.getServletPath() + "/";
 324                 resp.sendRedirect(newUri);
 325                 return;
 326             }
 327
 328             String html = connection.getLoginPage();
 329             returnHtml(connection, resp, html, "amazon.com");
 330         } catch (URISyntaxException | InterruptedException e) {
 331             logger.warn("get failed with uri syntax error", e);
 332         }
 333     }
 334
 335     public Map<String, String> getQueryMap(@Nullable String query) {
 336         Map<String, String> map = new HashMap<>();
 337         if (query != null) {
 338             String[] params = query.split("&");
 339             for (String param : params) {
 340                 String[] elements = param.split("=");
 341                 if (elements.length == 2) {
 342                     String name = elements[0];
 343                     String value = "";
 344                     try {
 345                         value = URLDecoder.decode(elements[1], "UTF8");
 346                     } catch (UnsupportedEncodingException e) {
 347                         logger.info("Unsupported encoding", e);
 348                     }
 349                     map.put(name, value);
 350                 }
 351             }
 352         }
 353         return map;
 354     }
 355
 356     private void handleChangeDomain(HttpServletResponse resp, Connection connection) {
 357         StringBuilder html = createPageStart("Change Domain");
 358         html.append("<form action='");
 359         html.append(servletUrl);
 360         html.append("/changedomain' method='post'>\nDomain:\n<input type='text' name='domain' value='");
 361         html.append(connection.getAmazonSite());
 362         html.append("'>\n<br>\n<input type=\"submit\" value=\"Submit\">\n</form>");
 363
 364         createPageEndAndSent(resp, html);
 365     }
 366
 367     private void handleDefaultPageResult(HttpServletResponse resp, String message, Connection connection)
 368             throws IOException {
 369         StringBuilder html = createPageStart("");
 370         html.append(HtmlEscape.escapeHtml4(message));
 371         // logout link
 372         html.append(" <a href='" + servletUrl + "/logout' >");
 373         html.append(HtmlEscape.escapeHtml4("Logout"));
 374         html.append("</a>");
 375         // newdevice link
 376         html.append(" | <a href='" + servletUrl + "/newdevice' >");
 377         html.append(HtmlEscape.escapeHtml4("Logout and create new device id"));
 378         html.append("</a>");
 379         // customer id
 380         html.append("<br>Customer Id: ");
 381         html.append(HtmlEscape.escapeHtml4(connection.getCustomerId()));
 382         // customer name
 383         html.append("<br>Customer Name: ");
 384         html.append(HtmlEscape.escapeHtml4(connection.getCustomerName()));
 385         // device name
 386         html.append("<br>App name: ");
 387         html.append(HtmlEscape.escapeHtml4(connection.getDeviceName()));
 388         // connection
 389         html.append("<br>Connected to: ");
 390         html.append(HtmlEscape.escapeHtml4(connection.getAlexaServer()));
 391         // domain
 392         html.append(" <a href='");
 393         html.append(servletUrl);
 394         html.append("/changeDomain'>Change</a>");
 395
 396         // Main UI link
 397         html.append("<br><a href='/#!/settings/things/" + BINDING_ID + ":"
 398                 + URLEncoder.encode(THING_TYPE_ACCOUNT.getId(), "UTF8") + ":" + URLEncoder.encode(id, "UTF8") + "'>");
 399         html.append(HtmlEscape.escapeHtml4("Check Thing in Main UI"));
 400         html.append("</a><br><br>");
 401
 402         // device list
 403         html.append(
 404                 "<table><tr><th align='left'>Device</th><th align='left'>Serial Number</th><th align='left'>State</th><th align='left'>Thing</th><th align='left'>Family</th><th align='left'>Type</th><th align='left'>Customer Id</th></tr>");
 405         for (Device device : this.account.getLastKnownDevices()) {
 406
 407             html.append("<tr><td>");
 408             html.append(HtmlEscape.escapeHtml4(nullReplacement(device.accountName)));
 409             html.append("</td><td>");
 410             html.append(HtmlEscape.escapeHtml4(nullReplacement(device.serialNumber)));
 411             html.append("</td><td>");
 412             html.append(HtmlEscape.escapeHtml4(device.online ? "Online" : "Offline"));
 413             html.append("</td><td>");
 414             Thing accountHandler = account.findThingBySerialNumber(device.serialNumber);
 415             if (accountHandler != null) {
 416                 html.append("<a href='" + servletUrl + "/ids/?serialNumber="
 417                         + URLEncoder.encode(device.serialNumber, "UTF8") + "'>"
 418                         + HtmlEscape.escapeHtml4(accountHandler.getLabel()) + "</a>");
 419             } else {
 420                 html.append("<a href='" + servletUrl + "/ids/?serialNumber="
 421                         + URLEncoder.encode(device.serialNumber, "UTF8") + "'>" + HtmlEscape.escapeHtml4("Not defined")
 422                         + "</a>");
 423             }
 424             html.append("</td><td>");
 425             html.append(HtmlEscape.escapeHtml4(nullReplacement(device.deviceFamily)));
 426             html.append("</td><td>");
 427             html.append(HtmlEscape.escapeHtml4(nullReplacement(device.deviceType)));
 428             html.append("</td><td>");
 429             html.append(HtmlEscape.escapeHtml4(nullReplacement(device.deviceOwnerCustomerId)));
 430             html.append("</td>");
 431             html.append("</tr>");
 432         }
 433         html.append("</table>");
 434         createPageEndAndSent(resp, html);
 435     }
 436
 437     private void handleDevices(HttpServletResponse resp, Connection connection)
 438             throws IOException, URISyntaxException, InterruptedException {
 439         returnHtml(connection, resp, "<html>" + HtmlEscape.escapeHtml4(connection.getDeviceListJson()) + "</html>");
 440     }
 441
 442     private String nullReplacement(@Nullable String text) {
 443         if (text == null) {
 444             return "<unknown>";
 445         }
 446         return text;
 447     }
 448
 449     StringBuilder createPageStart(String title) {
 450         StringBuilder html = new StringBuilder();
 451         html.append("<html><head><title>"
 452                 + HtmlEscape.escapeHtml4(BINDING_NAME + " - " + this.account.getThing().getLabel()));
 453         if (!title.isEmpty()) {
 454             html.append(" - ");
 455             html.append(HtmlEscape.escapeHtml4(title));
 456         }
 457         html.append("</title><head><body>");
 458         html.append("<h1>" + HtmlEscape.escapeHtml4(BINDING_NAME + " - " + this.account.getThing().getLabel()));
 459         if (!title.isEmpty()) {
 460             html.append(" - ");
 461             html.append(HtmlEscape.escapeHtml4(title));
 462         }
 463         html.append("</h1>");
 464         return html;
 465     }
 466
 467     private void createPageEndAndSent(HttpServletResponse resp, StringBuilder html) {
 468         // account overview link
 469         html.append("<br><a href='" + servletUrl + "/../' >");
 470         html.append(HtmlEscape.escapeHtml4("Account overview"));
 471         html.append("</a><br>");
 472
 473         html.append("</body></html>");
 474         resp.addHeader("content-type", "text/html;charset=UTF-8");
 475         try {
 476             resp.getWriter().write(html.toString());
 477         } catch (IOException e) {
 478             logger.warn("return html failed with IO error", e);
 479         }
 480     }
 481
 482     private void handleIds(HttpServletResponse resp, Connection connection, Device device, @Nullable Thing thing)
 483             throws IOException, URISyntaxException {
 484         StringBuilder html;
 485         if (thing != null) {
 486             html = createPageStart("Channel Options - " + thing.getLabel());
 487         } else {
 488             html = createPageStart("Device Information - No thing defined");
 489         }
 490         renderBluetoothMacChannel(connection, device, html);
 491         renderAmazonMusicPlaylistIdChannel(connection, device, html);
 492         renderPlayAlarmSoundChannel(connection, device, html);
 493         renderMusicProviderIdChannel(connection, html);
 494         renderCapabilities(connection, device, html);
 495         createPageEndAndSent(resp, html);
 496     }
 497
 498     private void renderCapabilities(Connection connection, Device device, StringBuilder html) {
 499         html.append("<h2>Capabilities</h2>");
 500         html.append("<table><tr><th align='left'>Name</th></tr>");
 501         device.getCapabilities().forEach(
 502                 capability -> html.append("<tr><td>").append(HtmlEscape.escapeHtml4(capability)).append("</td></tr>"));
 503         html.append("</table>");
 504     }
 505
 506     private void renderMusicProviderIdChannel(Connection connection, StringBuilder html) {
 507         html.append("<h2>").append(HtmlEscape.escapeHtml4("Channel " + CHANNEL_MUSIC_PROVIDER_ID)).append("</h2>");
 508         html.append("<table><tr><th align='left'>Name</th><th align='left'>Value</th></tr>");
 509         List<JsonMusicProvider> musicProviders = connection.getMusicProviders();
 510         for (JsonMusicProvider musicProvider : musicProviders) {
 511             List<String> properties = musicProvider.supportedProperties;
 512             String providerId = musicProvider.id;
 513             String displayName = musicProvider.displayName;
 514             if (properties != null && properties.contains("Alexa.Music.PlaySearchPhrase") && providerId != null
 515                     && !providerId.isEmpty() && "AVAILABLE".equals(musicProvider.availability) && displayName != null
 516                     && !displayName.isEmpty()) {
 517                 html.append("<tr><td>");
 518                 html.append(HtmlEscape.escapeHtml4(displayName));
 519                 html.append("</td><td>");
 520                 html.append(HtmlEscape.escapeHtml4(providerId));
 521                 html.append("</td></tr>");
 522             }
 523         }
 524         html.append("</table>");
 525     }
 526
 527     private void renderPlayAlarmSoundChannel(Connection connection, Device device, StringBuilder html) {
 528         html.append("<h2>").append(HtmlEscape.escapeHtml4("Channel " + CHANNEL_PLAY_ALARM_SOUND)).append("</h2>");
 529         List<JsonNotificationSound> notificationSounds = List.of();
 530         String errorMessage = "No notifications sounds found";
 531         try {
 532             notificationSounds = connection.getNotificationSounds(device);
 533         } catch (IOException | HttpException | URISyntaxException | JsonSyntaxException | ConnectionException
 534                 | InterruptedException e) {
 535             errorMessage = e.getLocalizedMessage();
 536         }
 537         if (!notificationSounds.isEmpty()) {
 538             html.append("<table><tr><th align='left'>Name</th><th align='left'>Value</th></tr>");
 539             for (JsonNotificationSound notificationSound : notificationSounds) {
 540                 if (notificationSound.folder == null && notificationSound.providerId != null
 541                         && notificationSound.id != null && notificationSound.displayName != null) {
 542                     String providerSoundId = notificationSound.providerId + ":" + notificationSound.id;
 543
 544                     html.append("<tr><td>");
 545                     html.append(HtmlEscape.escapeHtml4(notificationSound.displayName));
 546                     html.append("</td><td>");
 547                     html.append(HtmlEscape.escapeHtml4(providerSoundId));
 548                     html.append("</td></tr>");
 549                 }
 550             }
 551             html.append("</table>");
 552         } else {
 553             html.append(HtmlEscape.escapeHtml4(errorMessage));
 554         }
 555     }
 556
 557     private void renderAmazonMusicPlaylistIdChannel(Connection connection, Device device, StringBuilder html) {
 558         html.append("<h2>").append(HtmlEscape.escapeHtml4("Channel " + CHANNEL_AMAZON_MUSIC_PLAY_LIST_ID))
 559                 .append("</h2>");
 560
 561         JsonPlaylists playLists = null;
 562         String errorMessage = "No playlists found";
 563         try {
 564             playLists = connection.getPlaylists(device);
 565         } catch (IOException | HttpException | URISyntaxException | JsonSyntaxException | ConnectionException
 566                 | InterruptedException e) {
 567             errorMessage = e.getLocalizedMessage();
 568         }
 569
 570         if (playLists != null) {
 571             Map<String, PlayList @Nullable []> playlistMap = playLists.playlists;
 572             if (playlistMap != null && !playlistMap.isEmpty()) {
 573                 html.append("<table><tr><th align='left'>Name</th><th align='left'>Value</th></tr>");
 574
 575                 for (PlayList[] innerLists : playlistMap.values()) {
 576                     {
 577                         if (innerLists != null && innerLists.length > 0) {
 578                             PlayList playList = innerLists[0];
 579                             if (playList != null && playList.playlistId != null && playList.title != null) {
 580                                 html.append("<tr><td>");
 581                                 html.append(HtmlEscape.escapeHtml4(nullReplacement(playList.title)));
 582                                 html.append("</td><td>");
 583                                 html.append(HtmlEscape.escapeHtml4(nullReplacement(playList.playlistId)));
 584                                 html.append("</td></tr>");
 585                             }
 586                         }
 587                     }
 588                 }
 589                 html.append("</table>");
 590             } else {
 591                 html.append(HtmlEscape.escapeHtml4(errorMessage));
 592             }
 593         }
 594     }
 595
 596     private void renderBluetoothMacChannel(Connection connection, Device device, StringBuilder html) {
 597         html.append("<h2>").append(HtmlEscape.escapeHtml4("Channel " + CHANNEL_BLUETOOTH_MAC)).append("</h2>");
 598         JsonBluetoothStates bluetoothStates = connection.getBluetoothConnectionStates();
 599         if (bluetoothStates == null) {
 600             return;
 601         }
 602         BluetoothState[] innerStates = bluetoothStates.bluetoothStates;
 603         if (innerStates == null) {
 604             return;
 605         }
 606         for (BluetoothState state : innerStates) {
 607             if (state == null) {
 608                 continue;
 609             }
 610             String stateDeviceSerialNumber = state.deviceSerialNumber;
 611             if ((stateDeviceSerialNumber == null && device.serialNumber == null)
 612                     || (stateDeviceSerialNumber != null && stateDeviceSerialNumber.equals(device.serialNumber))) {
 613                 List<PairedDevice> pairedDeviceList = state.getPairedDeviceList();
 614                 if (!pairedDeviceList.isEmpty()) {
 615                     html.append("<table><tr><th align='left'>Name</th><th align='left'>Value</th></tr>");
 616                     for (PairedDevice pairedDevice : pairedDeviceList) {
 617                         html.append("<tr><td>");
 618                         html.append(HtmlEscape.escapeHtml4(nullReplacement(pairedDevice.friendlyName)));
 619                         html.append("</td><td>");
 620                         html.append(HtmlEscape.escapeHtml4(nullReplacement(pairedDevice.address)));
 621                         html.append("</td></tr>");
 622                     }
 623                     html.append("</table>");
 624                 } else {
 625                     html.append(HtmlEscape.escapeHtml4("No bluetooth devices paired"));
 626                 }
 627             }
 628         }
 629     }
 630
 631     void handleProxyRequest(Connection connection, HttpServletResponse resp, String verb, String url,
 632             @Nullable String referer, @Nullable String postData, boolean json, String site) throws IOException {
 633         HttpsURLConnection urlConnection;
 634         try {
 635             Map<String, String> headers = null;
 636             if (referer != null) {
 637                 headers = new HashMap<>();
 638                 headers.put("Referer", referer);
 639             }
 640
 641             urlConnection = connection.makeRequest(verb, url, postData, json, false, headers, 0);
 642             if (urlConnection.getResponseCode() == 302) {
 643                 {
 644                     String location = urlConnection.getHeaderField("location");
 645                     if (location.contains("/ap/maplanding")) {
 646                         try {
 647                             connection.registerConnectionAsApp(location);
 648                             account.setConnection(connection);
 649                             handleDefaultPageResult(resp, "Login succeeded", connection);
 650                             this.connectionToInitialize = null;
 651                             return;
 652                         } catch (URISyntaxException | ConnectionException e) {
 653                             returnError(resp,
 654                                     "Login to '" + connection.getAmazonSite() + "' failed: " + e.getLocalizedMessage());
 655                             this.connectionToInitialize = null;
 656                             return;
 657                         }
 658                     }
 659
 660                     String startString = "https://www." + connection.getAmazonSite() + "/";
 661                     String newLocation = null;
 662                     if (location.startsWith(startString) && connection.getIsLoggedIn()) {
 663                         newLocation = servletUrl + PROXY_URI_PART + location.substring(startString.length());
 664                     } else if (location.startsWith(startString)) {
 665                         newLocation = servletUrl + FORWARD_URI_PART + location.substring(startString.length());
 666                     } else {
 667                         startString = "/";
 668                         if (location.startsWith(startString)) {
 669                             newLocation = servletUrl + FORWARD_URI_PART + location.substring(startString.length());
 670                         }
 671                     }
 672                     if (newLocation != null) {
 673                         logger.debug("Redirect mapped from {} to {}", location, newLocation);
 674
 675                         resp.sendRedirect(newLocation);
 676                         return;
 677                     }
 678                     returnError(resp, "Invalid redirect to '" + location + "'");
 679                     return;
 680                 }
 681             }
 682         } catch (URISyntaxException | ConnectionException | InterruptedException e) {
 683             returnError(resp, e.getLocalizedMessage());
 684             return;
 685         }
 686         String response = connection.convertStream(urlConnection);
 687         returnHtml(connection, resp, response, site);
 688     }
 689
 690     private void returnHtml(Connection connection, HttpServletResponse resp, String html) {
 691         returnHtml(connection, resp, html, connection.getAmazonSite());
 692     }
 693
 694     private void returnHtml(Connection connection, HttpServletResponse resp, String html, String amazonSite) {
 695         String resultHtml = html.replace("action=\"/", "action=\"" + servletUrl + "/")
 696                 .replace("action=\"&#x2F;", "action=\"" + servletUrl + "/")
 697                 .replace("https://www." + amazonSite + "/", servletUrl + "/")
 698                 .replace("https://www." + amazonSite + ":443" + "/", servletUrl + "/")
 699                 .replace("https:&#x2F;&#x2F;www." + amazonSite + "&#x2F;", servletUrl + "/")
 700                 .replace("https:&#x2F;&#x2F;www." + amazonSite + ":443" + "&#x2F;", servletUrl + "/")
 701                 .replace("http://www." + amazonSite + "/", servletUrl + "/")
 702                 .replace("http:&#x2F;&#x2F;www." + amazonSite + "&#x2F;", servletUrl + "/");
 703
 704         resp.addHeader("content-type", "text/html;charset=UTF-8");
 705         try {
 706             resp.getWriter().write(resultHtml);
 707         } catch (IOException e) {
 708             logger.warn("return html failed with IO error", e);
 709         }
 710     }
 711
 712     void returnError(HttpServletResponse resp, @Nullable String errorMessage) {
 713         try {
 714             String message = errorMessage != null ? errorMessage : "null";
 715             resp.getWriter().write("<html>" + HtmlEscape.escapeHtml4(message) + "<br><a href='" + servletUrl
 716                     + "'>Try again</a></html>");
 717         } catch (IOException e) {
 718             logger.info("Returning error message failed", e);
 719         }
 720     }
 721 }