source: binary-improvements/MapRendering/Web/Web.cs@ 325

Last change on this file since 325 was 325, checked in by alloc, 6 years ago

Code style cleanup (mostly whitespace changes, enforcing braces, using cleanup)
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 (this);
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 Interlocked.Increment (ref handlingCount);
153 Interlocked.Increment (ref currentHandlers);
154
155// MicroStopwatch msw = new MicroStopwatch ();
156 HttpListenerContext ctx = _listener.EndGetContext (result);
157 _listener.BeginGetContext (HandleRequest, _listener);
158 try {
159 HttpListenerRequest request = ctx.Request;
160 HttpListenerResponse response = ctx.Response;
161 response.SendChunked = false;
162
163 response.ProtocolVersion = new Version ("1.1");
164
165 WebConnection conn;
166 int permissionLevel = DoAuthentication (request, out conn);
167
168
169 //Log.Out ("Login status: conn!=null: {0}, permissionlevel: {1}", conn != null, permissionLevel);
170
171
172 if (conn != null) {
173 Cookie cookie = new Cookie ("sid", conn.SessionID, "/");
174 cookie.Expired = false;
175 cookie.Expires = new DateTime (2020, 1, 1);
176 cookie.HttpOnly = true;
177 cookie.Secure = false;
178 response.AppendCookie (cookie);
179 }
180
181 // No game yet -> fail request
182 if (GameManager.Instance.World == null) {
183 response.StatusCode = (int) HttpStatusCode.ServiceUnavailable;
184 return;
185 }
186
187 if (request.Url.AbsolutePath.Length < 2) {
188 handlers ["/index.htm"].HandleRequest (request, response, conn, permissionLevel);
189 return;
190 } else {
191 foreach (KeyValuePair<string, PathHandler> kvp in handlers) {
192 if (request.Url.AbsolutePath.StartsWith (kvp.Key)) {
193 if (!kvp.Value.IsAuthorizedForHandler (conn, permissionLevel)) {
194 response.StatusCode = (int) HttpStatusCode.Forbidden;
195 if (conn != null) {
196 //Log.Out ("Web.HandleRequest: user '{0}' not allowed to access '{1}'", conn.SteamID, kvp.Value.ModuleName);
197 }
198 } else {
199 kvp.Value.HandleRequest (request, response, conn, permissionLevel);
200 }
201
202 return;
203 }
204 }
205 }
206
207 // Not really relevant for non-debugging purposes:
208 //Log.Out ("Error in Web.HandleRequest(): No handler found for path \"" + request.Url.AbsolutePath + "\"");
209 response.StatusCode = (int) HttpStatusCode.NotFound;
210 } catch (IOException e) {
211 if (e.InnerException is SocketException) {
212 Log.Out ("Error in Web.HandleRequest(): Remote host closed connection: " +
213 e.InnerException.Message);
214 } else {
215 Log.Out ("Error (IO) in Web.HandleRequest(): " + e);
216 }
217 } catch (Exception e) {
218 Log.Out ("Error in Web.HandleRequest(): " + e);
219 } finally {
220 if (ctx != null && !ctx.Response.SendChunked) {
221 ctx.Response.Close ();
222 }
223
224// msw.Stop ();
225// totalHandlingTime += msw.ElapsedMicroseconds;
226// Log.Out ("Web.HandleRequest(): Took {0} µs", msw.ElapsedMicroseconds);
227 Interlocked.Decrement (ref currentHandlers);
228 }
229 }
230 }
231
232 private int DoAuthentication (HttpListenerRequest _req, out WebConnection _con) {
233 _con = null;
234
235 string sessionId = null;
236 if (_req.Cookies ["sid"] != null) {
237 sessionId = _req.Cookies ["sid"].Value;
238 }
239
240 if (!string.IsNullOrEmpty (sessionId)) {
241 WebConnection con = connectionHandler.IsLoggedIn (sessionId, _req.RemoteEndPoint.Address.ToString ());
242 if (con != null) {
243 _con = con;
244 return GameManager.Instance.adminTools.GetAdminToolsClientInfo (_con.SteamID.ToString ())
245 .PermissionLevel;
246 }
247 }
248
249 if (_req.QueryString ["adminuser"] != null && _req.QueryString ["admintoken"] != null) {
250 WebPermissions.AdminToken admin = WebPermissions.Instance.GetWebAdmin (_req.QueryString ["adminuser"],
251 _req.QueryString ["admintoken"]);
252 if (admin != null) {
253 return admin.permissionLevel;
254 }
255
256 Log.Warning ("Invalid Admintoken used from " + _req.RemoteEndPoint);
257 }
258
259 if (_req.Url.AbsolutePath.StartsWith ("/session/verify")) {
260 try {
261 ulong id = OpenID.Validate (_req);
262 if (id > 0) {
263 WebConnection con = connectionHandler.LogIn (id, _req.RemoteEndPoint.Address.ToString ());
264 _con = con;
265 int level = GameManager.Instance.adminTools.GetAdminToolsClientInfo (id.ToString ())
266 .PermissionLevel;
267 Log.Out ("Steam OpenID login from {0} with ID {1}, permission level {2}",
268 _req.RemoteEndPoint.ToString (), con.SteamID, level);
269 return level;
270 }
271
272 Log.Out ("Steam OpenID login failed from {0}", _req.RemoteEndPoint.ToString ());
273 } catch (Exception e) {
274 Log.Error ("Error validating login:");
275 Log.Exception (e);
276 }
277 }
278
279 return GUEST_PERMISSION_LEVEL;
280 }
281
282 public static void SetResponseTextContent (HttpListenerResponse resp, string text) {
283 byte[] buf = Encoding.UTF8.GetBytes (text);
284 resp.ContentLength64 = buf.Length;
285 resp.ContentType = "text/html";
286 resp.ContentEncoding = Encoding.UTF8;
287 resp.OutputStream.Write (buf, 0, buf.Length);
288 }
289 }
290}
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