source: binary-improvements/MapRendering/Web/Web.cs@ 327

Last change on this file since 327 was 326, checked in by alloc, 6 years ago

More cleanup, allocation improvements
File size: 8.4 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.IO;
4using System.Net;
5using System.Net.Sockets;
6using System.Reflection;
7using System.Text;
8using System.Threading;
9using AllocsFixes.FileCache;
10using AllocsFixes.NetConnections.Servers.Web.Handlers;
11using UnityEngine;
12
13namespace AllocsFixes.NetConnections.Servers.Web {
14 public class Web : IConsoleServer {
15 private const int GUEST_PERMISSION_LEVEL = 2000;
16 public static int handlingCount;
17 public static int currentHandlers;
18 public static long totalHandlingTime = 0;
19 private readonly HttpListener _listener = new HttpListener ();
20 private readonly string dataFolder;
21 private readonly Dictionary<string, PathHandler> handlers = new Dictionary<string, PathHandler> ();
22 private readonly bool useStaticCache;
23
24 public ConnectionHandler connectionHandler;
25
26 public Web () {
27 try {
28 int webPort = GamePrefs.GetInt (EnumGamePrefs.ControlPanelPort);
29 if (webPort < 1 || webPort > 65533) {
30 Log.Out ("Webserver not started (ControlPanelPort not within 1-65533)");
31 return;
32 }
33
34 if (!Directory.Exists (Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location) +
35 "/webserver")) {
36 Log.Out ("Webserver not started (folder \"webserver\" not found in WebInterface mod folder)");
37 return;
38 }
39
40 // TODO: Read from config
41 useStaticCache = false;
42
43 dataFolder = Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location) + "/webserver";
44
45 if (!HttpListener.IsSupported) {
46 Log.Out ("Webserver not started (needs Windows XP SP2, Server 2003 or later or Mono)");
47 return;
48 }
49
50 handlers.Add (
51 "/index.htm",
52 new SimpleRedirectHandler ("/static/index.html"));
53 handlers.Add (
54 "/favicon.ico",
55 new SimpleRedirectHandler ("/static/favicon.ico"));
56 handlers.Add (
57 "/session/",
58 new SessionHandler (
59 "/session/",
60 dataFolder,
61 this)
62 );
63 handlers.Add (
64 "/userstatus",
65 new UserStatusHandler ()
66 );
67 if (useStaticCache) {
68 handlers.Add (
69 "/static/",
70 new StaticHandler (
71 "/static/",
72 dataFolder,
73 new SimpleCache (),
74 false)
75 );
76 } else {
77 handlers.Add (
78 "/static/",
79 new StaticHandler (
80 "/static/",
81 dataFolder,
82 new DirectAccess (),
83 false)
84 );
85 }
86
87 handlers.Add (
88 "/itemicons/",
89 new ItemIconHandler (
90 "/itemicons/",
91 true)
92 );
93
94 handlers.Add (
95 "/map/",
96 new StaticHandler (
97 "/map/",
98 GameUtils.GetSaveGameDir () + "/map",
99 MapRendering.MapRendering.GetTileCache (),
100 false,
101 "web.map")
102 );
103
104 handlers.Add (
105 "/api/",
106 new ApiHandler ("/api/")
107 );
108
109 connectionHandler = new ConnectionHandler ();
110
111 _listener.Prefixes.Add (string.Format ("http://*:{0}/", webPort + 2));
112 _listener.Start ();
113
114 SdtdConsole.Instance.RegisterServer (this);
115
116 _listener.BeginGetContext (HandleRequest, _listener);
117
118 Log.Out ("Started Webserver on " + (webPort + 2));
119 } catch (Exception e) {
120 Log.Out ("Error in Web.ctor: " + e);
121 }
122 }
123
124 public void Disconnect () {
125 try {
126 _listener.Stop ();
127 _listener.Close ();
128 } catch (Exception e) {
129 Log.Out ("Error in Web.Disconnect: " + e);
130 }
131 }
132
133 public void SendLine (string line) {
134 connectionHandler.SendLine (line);
135 }
136
137 public void SendLog (string text, string trace, LogType type) {
138 // Do nothing, handled by LogBuffer internally
139 }
140
141 public static bool isSslRedirected (HttpListenerRequest req) {
142 string proto = req.Headers ["X-Forwarded-Proto"];
143 if (!string.IsNullOrEmpty (proto)) {
144 return proto.Equals ("https", StringComparison.OrdinalIgnoreCase);
145 }
146
147 return false;
148 }
149
150 private void HandleRequest (IAsyncResult result) {
151 if (!_listener.IsListening) {
152 return;
153 }
154
155 Interlocked.Increment (ref handlingCount);
156 Interlocked.Increment (ref currentHandlers);
157
158// MicroStopwatch msw = new MicroStopwatch ();
159 HttpListenerContext ctx = _listener.EndGetContext (result);
160 _listener.BeginGetContext (HandleRequest, _listener);
161 try {
162 HttpListenerRequest request = ctx.Request;
163 HttpListenerResponse response = ctx.Response;
164 response.SendChunked = false;
165
166 response.ProtocolVersion = new Version ("1.1");
167
168 WebConnection conn;
169 int permissionLevel = DoAuthentication (request, out conn);
170
171
172 //Log.Out ("Login status: conn!=null: {0}, permissionlevel: {1}", conn != null, permissionLevel);
173
174
175 if (conn != null) {
176 Cookie cookie = new Cookie ("sid", conn.SessionID, "/");
177 cookie.Expired = false;
178 cookie.Expires = new DateTime (2020, 1, 1);
179 cookie.HttpOnly = true;
180 cookie.Secure = false;
181 response.AppendCookie (cookie);
182 }
183
184 // No game yet -> fail request
185 if (GameManager.Instance.World == null) {
186 response.StatusCode = (int) HttpStatusCode.ServiceUnavailable;
187 return;
188 }
189
190 if (request.Url.AbsolutePath.Length < 2) {
191 handlers ["/index.htm"].HandleRequest (request, response, conn, permissionLevel);
192 return;
193 } else {
194 foreach (KeyValuePair<string, PathHandler> kvp in handlers) {
195 if (request.Url.AbsolutePath.StartsWith (kvp.Key)) {
196 if (!kvp.Value.IsAuthorizedForHandler (conn, permissionLevel)) {
197 response.StatusCode = (int) HttpStatusCode.Forbidden;
198 if (conn != null) {
199 //Log.Out ("Web.HandleRequest: user '{0}' not allowed to access '{1}'", conn.SteamID, kvp.Value.ModuleName);
200 }
201 } else {
202 kvp.Value.HandleRequest (request, response, conn, permissionLevel);
203 }
204
205 return;
206 }
207 }
208 }
209
210 // Not really relevant for non-debugging purposes:
211 //Log.Out ("Error in Web.HandleRequest(): No handler found for path \"" + request.Url.AbsolutePath + "\"");
212 response.StatusCode = (int) HttpStatusCode.NotFound;
213 } catch (IOException e) {
214 if (e.InnerException is SocketException) {
215 Log.Out ("Error in Web.HandleRequest(): Remote host closed connection: " +
216 e.InnerException.Message);
217 } else {
218 Log.Out ("Error (IO) in Web.HandleRequest(): " + e);
219 }
220 } catch (Exception e) {
221 Log.Out ("Error in Web.HandleRequest(): " + e);
222 } finally {
223 if (ctx != null && !ctx.Response.SendChunked) {
224 ctx.Response.Close ();
225 }
226
227// msw.Stop ();
228// totalHandlingTime += msw.ElapsedMicroseconds;
229// Log.Out ("Web.HandleRequest(): Took {0} µs", msw.ElapsedMicroseconds);
230 Interlocked.Decrement (ref currentHandlers);
231 }
232 }
233
234 private int DoAuthentication (HttpListenerRequest _req, out WebConnection _con) {
235 _con = null;
236
237 string sessionId = null;
238 if (_req.Cookies ["sid"] != null) {
239 sessionId = _req.Cookies ["sid"].Value;
240 }
241
242 if (!string.IsNullOrEmpty (sessionId)) {
243 WebConnection con = connectionHandler.IsLoggedIn (sessionId, _req.RemoteEndPoint.Address.ToString ());
244 if (con != null) {
245 _con = con;
246 return GameManager.Instance.adminTools.GetAdminToolsClientInfo (_con.SteamID.ToString ())
247 .PermissionLevel;
248 }
249 }
250
251 if (_req.QueryString ["adminuser"] != null && _req.QueryString ["admintoken"] != null) {
252 WebPermissions.AdminToken admin = WebPermissions.Instance.GetWebAdmin (_req.QueryString ["adminuser"],
253 _req.QueryString ["admintoken"]);
254 if (admin != null) {
255 return admin.permissionLevel;
256 }
257
258 Log.Warning ("Invalid Admintoken used from " + _req.RemoteEndPoint);
259 }
260
261 if (_req.Url.AbsolutePath.StartsWith ("/session/verify")) {
262 try {
263 ulong id = OpenID.Validate (_req);
264 if (id > 0) {
265 WebConnection con = connectionHandler.LogIn (id, _req.RemoteEndPoint.Address.ToString ());
266 _con = con;
267 int level = GameManager.Instance.adminTools.GetAdminToolsClientInfo (id.ToString ())
268 .PermissionLevel;
269 Log.Out ("Steam OpenID login from {0} with ID {1}, permission level {2}",
270 _req.RemoteEndPoint.ToString (), con.SteamID, level);
271 return level;
272 }
273
274 Log.Out ("Steam OpenID login failed from {0}", _req.RemoteEndPoint.ToString ());
275 } catch (Exception e) {
276 Log.Error ("Error validating login:");
277 Log.Exception (e);
278 }
279 }
280
281 return GUEST_PERMISSION_LEVEL;
282 }
283
284 public static void SetResponseTextContent (HttpListenerResponse resp, string text) {
285 byte[] buf = Encoding.UTF8.GetBytes (text);
286 resp.ContentLength64 = buf.Length;
287 resp.ContentType = "text/html";
288 resp.ContentEncoding = Encoding.UTF8;
289 resp.OutputStream.Write (buf, 0, buf.Length);
290 }
291 }
292}
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