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

   1 /**
   2  * Copyright (c) 2010-2023 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.jellyfin.internal.servlet;
  14
  15 import java.io.IOException;
  16
  17 import javax.servlet.http.HttpServlet;
  18 import javax.servlet.http.HttpServletRequest;
  19 import javax.servlet.http.HttpServletResponse;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.jellyfin.sdk.api.client.exception.ApiClientException;
  23 import org.jetbrains.annotations.NotNull;
  24 import org.openhab.binding.jellyfin.internal.handler.JellyfinServerHandler;
  25 import org.openhab.binding.jellyfin.internal.util.SyncCallback;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  * The {@link JellyfinBridgeServlet} is responsible for handling user login.
  31  *
  32  * @author Miguel Álvarez - Initial contribution
  33  */
  34 @NonNullByDefault
  35 public class JellyfinBridgeServlet extends HttpServlet {
  36     private final Logger logger = LoggerFactory.getLogger(JellyfinBridgeServlet.class);
  37     private static final long serialVersionUID = 2157912759968949550L;
  38     private final JellyfinServerHandler server;
  39
  40     public JellyfinBridgeServlet(JellyfinServerHandler server) {
  41         this.server = server;
  42     }
  43
  44     @Override
  45     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
  46         String requestUri = req.getRequestURI();
  47         if (requestUri == null) {
  48             return;
  49         }
  50         String user = req.getParameter("username");
  51         String password = req.getParameter("password");
  52         if (user != null && password != null && !user.isBlank() && !password.isBlank()) {
  53             try {
  54                 server.updateCredentials(server.login(user, password));
  55             } catch (SyncCallback.SyncCallbackError | ApiClientException e) {
  56                 logger.warn("Server error while login: {}", e.getMessage());
  57             }
  58         }
  59         String newUri = req.getServletPath() + "/";
  60         resp.sendRedirect(newUri);
  61     }
  62
  63     @Override
  64     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
  65         String requestUri = req.getRequestURI();
  66         if (requestUri == null) {
  67             return;
  68         }
  69         String uri = requestUri.substring(this.getServletContext().getContextPath().length());
  70         logger.debug("doGet {}", uri);
  71         if (!uri.endsWith("/")) {
  72             String newUri = req.getServletPath() + "/";
  73             resp.sendRedirect(newUri);
  74             return;
  75         }
  76         String serverUrl = server.getServerUrl();
  77         String label = server.getThing().getLabel();
  78         String serverName = label != null ? label : "Jellyfin Binding";
  79         boolean online = server.isOnline();
  80         boolean authenticated = online && server.isAuthenticated();
  81         String html = renderPage(serverUrl, serverName, online, authenticated);
  82         resp.addHeader("content-type", "text/html;charset=UTF-8");
  83         try {
  84             resp.getWriter().write(html);
  85         } catch (IOException e) {
  86             logger.warn("return html failed with uri syntax error", e);
  87         }
  88     }
  89
  90     @NotNull
  91     private String renderPage(String serverUrl, String serverName, boolean online, boolean authenticated) {
  92         StringBuilder html = new StringBuilder();
  93         html.append("<html><head><title>OpenHAB Jellyfin Binding</title><style>");
  94         // css
  95         html.append(
  96                 "*{box-sizing:border-box}body{background-color:#101010;font-family:Arial,sans-serif;padding:50px}.container{margin:20px auto;padding:10px;padding-bottom:0px;width:300px;background-color:#fff;border-radius:5px}h1{color:#777;font-size:32px;margin:15px auto;text-align:center}form{text-align:center}input{padding:12px 0;margin-bottom:10px;border-radius:3px;border:2px solid transparent;text-align:center;width:90%;font-size:16px;transition:border .2s,background-color .2s}form .field{background-color:#ecf0f1}form .field:focus{border:2px solid #3498db}form .btn{background-color:#00a4dc;color:#fff;line-height:25px;cursor:pointer}form .btn:active,form .btn:hover{background-color:#1f78b4;border:2px solid #1f78b4}.pass-link{text-align:center}.pass-link a:link,.pass-link a:visited{font-size:12px;color:#777} .status{padding-bottom: 18px;}");
  97         html.append(
  98                 ".oh-logo{background-image: url(/images/openhab-logo.svg);background-size: 89px;background-repeat: no-repeat;height: 44px; width: 144px; margin-left: 40px;}");
  99         html.append(".logo{background-image: url(").append(serverUrl).append(
 100                 "/web/assets/img/banner-light.png);background-size: 140px;margin: 10px auto;background-repeat: no-repeat;width: 44px;height: 44px;}");
 101         html.append("</style></head><body>");
 102         // open container
 103         html.append("<div class=\"container\">");
 104         // add logos and title
 105         html.append("<h2 class=\"logo\"><p class=\"oh-logo\"><p></h2><h1>").append(serverName).append("</h1>");
 106         if (online) {
 107             if (!authenticated) {
 108                 // add form
 109                 html.append(
 110                         "<form action=\"#\" method=\"POST\"><input name=\"username\" type=\"text\" placeholder=\"username\" class=\"field\"><input name=\"password\" type=\"password\" placeholder=\"password\" class=\"field\"><input type=\"submit\" value=\"Login\" class=\"btn\"></form>");
 111             } else {
 112                 html.append("<h1 class=\"status\">✅ Connected</h1>");
 113             }
 114         } else {
 115             html.append("<h1 class=\"status\">❌ Offline</h1>");
 116         }
 117         // close container
 118         html.append("</div>");
 119         // add server link
 120         html.append("<div class=\"pass-link\"><a target=\"_blank\" href=\"").append(serverUrl)
 121                 .append("\" >Server Url: ").append(serverUrl).append("</a></div>");
 122         html.append("</body></html>");
 123         return html.toString();
 124     }
 125 }