source: binary-improvements/MapRendering/Web/WebPermissions.cs@ 303

Last change on this file since 303 was 279, checked in by alloc, 8 years ago

Mod stuff
File size: 11.0 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.IO;
4using System.Xml;
5
6namespace AllocsFixes.NetConnections.Servers.Web
7{
8 public class WebPermissions {
9 private static WebPermissions instance = null;
10
11 public static WebPermissions Instance {
12 get {
13 lock (typeof(WebPermissions)) {
14 if (instance == null) {
15 instance = new WebPermissions ();
16 }
17 return instance;
18 }
19 }
20 }
21
22 private const string PERMISSIONS_FILE = "webpermissions.xml";
23 Dictionary<string, AdminToken> admintokens;
24 Dictionary<string, WebModulePermission> modules;
25 Dictionary<string, WebModulePermission> knownModules = new Dictionary<string, WebModulePermission> ();
26 WebModulePermission defaultModulePermission = new WebModulePermission ("", 0);
27 FileSystemWatcher fileWatcher;
28
29 public WebPermissions () {
30 Directory.CreateDirectory (GetFilePath ());
31 InitFileWatcher ();
32 Load ();
33 }
34
35 public bool ModuleAllowedWithLevel (string _module, int _level) {
36 WebModulePermission permInfo = GetModulePermission (_module);
37 return permInfo.permissionLevel >= _level;
38 }
39
40 public AdminToken GetWebAdmin (string _name, string _token) {
41 if (IsAdmin (_name) && admintokens [_name].token == _token) {
42 return admintokens [_name];
43 } else {
44 return null;
45 }
46 }
47
48 public WebModulePermission GetModulePermission (string _module) {
49 if (modules.ContainsKey (_module.ToLower ())) {
50 return modules [_module.ToLower ()];
51 }
52 return defaultModulePermission;
53 }
54
55
56 // Admins
57 public void AddAdmin (string _name, string _token, int _permissionLevel, bool _save = true) {
58 AdminToken c = new AdminToken (_name, _token, _permissionLevel);
59 lock (this) {
60 admintokens [_name] = c;
61 if (_save) {
62 Save ();
63 }
64 }
65 }
66
67 public void RemoveAdmin (string _name, bool _save = true) {
68 lock (this) {
69 admintokens.Remove (_name);
70 if (_save) {
71 Save ();
72 }
73 }
74 }
75
76 public bool IsAdmin (string _name) {
77 return admintokens.ContainsKey (_name);
78 }
79
80 public AdminToken[] GetAdmins () {
81 AdminToken[] result = new AdminToken[admintokens.Count];
82 admintokens.Values.CopyTo (result, 0);
83 return result;
84 }
85
86
87 // Commands
88 public void AddModulePermission (string _module, int _permissionLevel, bool _save = true) {
89 WebModulePermission p = new WebModulePermission (_module.ToLower (), _permissionLevel);
90 lock (this) {
91 modules [_module] = p;
92 if (_save) {
93 Save ();
94 }
95 }
96 }
97
98 public void AddKnownModule (string _module, int _defaultPermission) {
99 if (!string.IsNullOrEmpty (_module)) {
100 lock (this) {
101 if (!IsKnownModule( _module)) {
102 knownModules.Add (_module, new WebModulePermission (_module, _defaultPermission));
103 }
104 if (_defaultPermission > 0 && !modules.ContainsKey (_module.ToLower ())) {
105 AddModulePermission (_module, _defaultPermission);
106 }
107 }
108 }
109 }
110
111 public bool IsKnownModule (string _module) {
112 if (!string.IsNullOrEmpty (_module)) {
113 lock (this) {
114 return knownModules.ContainsKey (_module);
115 }
116 } else {
117 return false;
118 }
119 }
120
121 public void RemoveModulePermission (string _module, bool _save = true) {
122 lock (this) {
123 modules.Remove (_module.ToLower ());
124 if (_save) {
125 Save ();
126 }
127 }
128 }
129
130 public List<WebModulePermission> GetModules () {
131 List<WebModulePermission> result = new List<WebModulePermission> ();
132 foreach (string module in knownModules.Keys) {
133 if (modules.ContainsKey (module)) {
134 result.Add (modules [module]);
135 } else {
136 result.Add (knownModules [module]);
137 }
138 }
139
140 return result;
141 }
142
143
144 //IO Tasks
145
146 private void InitFileWatcher () {
147 fileWatcher = new FileSystemWatcher (GetFilePath (), GetFileName ());
148 fileWatcher.Changed += new FileSystemEventHandler (OnFileChanged);
149 fileWatcher.Created += new FileSystemEventHandler (OnFileChanged);
150 fileWatcher.Deleted += new FileSystemEventHandler (OnFileChanged);
151 fileWatcher.EnableRaisingEvents = true;
152 }
153
154 private void OnFileChanged (object source, FileSystemEventArgs e) {
155 Log.Out ("Reloading " + PERMISSIONS_FILE);
156 Load ();
157 }
158
159 private string GetFilePath () {
160 return GamePrefs.GetString (EnumGamePrefs.SaveGameFolder);
161 }
162
163 private string GetFileName () {
164 return PERMISSIONS_FILE;
165 }
166
167 private string GetFullPath () {
168 return GetFilePath () + "/" + GetFileName ();
169 }
170
171 public void Load () {
172 admintokens = new Dictionary<string, AdminToken> ();
173 modules = new Dictionary<string, WebModulePermission> ();
174
175 if (!Utils.FileExists (GetFullPath ())) {
176 Log.Out (string.Format ("Permissions file '{0}' not found, creating.", GetFileName ()));
177 Save ();
178 return;
179 }
180
181 Log.Out (string.Format ("Loading permissions file at '{0}'", GetFullPath ()));
182
183 XmlDocument xmlDoc = new XmlDocument ();
184
185 try {
186 xmlDoc.Load (GetFullPath ());
187 } catch (XmlException e) {
188 Log.Error (string.Format ("Failed loading permissions file: {0}", e.Message));
189 return;
190 }
191
192 XmlNode adminToolsNode = xmlDoc.DocumentElement;
193
194 foreach (XmlNode childNode in adminToolsNode.ChildNodes) {
195 if (childNode.Name == "admintokens") {
196 foreach (XmlNode subChild in childNode.ChildNodes) {
197 if (subChild.NodeType == XmlNodeType.Comment) {
198 continue;
199 }
200 if (subChild.NodeType != XmlNodeType.Element) {
201 Log.Warning ("Unexpected XML node found in 'admintokens' section: " + subChild.OuterXml);
202 continue;
203 }
204
205 XmlElement lineItem = (XmlElement)subChild;
206
207 if (!lineItem.HasAttribute ("name")) {
208 Log.Warning ("Ignoring admintoken-entry because of missing 'name' attribute: " + subChild.OuterXml);
209 continue;
210 }
211
212 if (!lineItem.HasAttribute ("token")) {
213 Log.Warning ("Ignoring admintoken-entry because of missing 'token' attribute: " + subChild.OuterXml);
214 continue;
215 }
216
217 if (!lineItem.HasAttribute ("permission_level")) {
218 Log.Warning ("Ignoring admintoken-entry because of missing 'permission_level' attribute: " + subChild.OuterXml);
219 continue;
220 }
221
222 string name = lineItem.GetAttribute ("name");
223 string token = lineItem.GetAttribute ("token");
224 int permissionLevel = 2000;
225 if (!int.TryParse (lineItem.GetAttribute ("permission_level"), out permissionLevel)) {
226 Log.Warning ("Ignoring admintoken-entry because of invalid (non-numeric) value for 'permission_level' attribute: " + subChild.OuterXml);
227 continue;
228 }
229
230 AddAdmin (name, token, permissionLevel, false);
231
232 }
233 }
234
235 if (childNode.Name == "permissions") {
236 foreach (XmlNode subChild in childNode.ChildNodes) {
237 if (subChild.NodeType == XmlNodeType.Comment) {
238 continue;
239 }
240 if (subChild.NodeType != XmlNodeType.Element) {
241 Log.Warning ("Unexpected XML node found in 'permissions' section: " + subChild.OuterXml);
242 continue;
243 }
244
245 XmlElement lineItem = (XmlElement)subChild;
246
247 if (!lineItem.HasAttribute ("module")) {
248 Log.Warning ("Ignoring permission-entry because of missing 'module' attribute: " + subChild.OuterXml);
249 continue;
250 }
251
252 if (!lineItem.HasAttribute ("permission_level")) {
253 Log.Warning ("Ignoring permission-entry because of missing 'permission_level' attribute: " + subChild.OuterXml);
254 continue;
255 }
256
257 int permissionLevel = 0;
258 if (!int.TryParse (lineItem.GetAttribute ("permission_level"), out permissionLevel)) {
259 Log.Warning ("Ignoring permission-entry because of invalid (non-numeric) value for 'permission_level' attribute: " + subChild.OuterXml);
260 continue;
261 }
262
263 AddModulePermission (lineItem.GetAttribute ("module").ToLower (), permissionLevel, false);
264 }
265 }
266
267 }
268
269 Log.Out ("Loading permissions file done.");
270 }
271
272 public void Save () {
273 fileWatcher.EnableRaisingEvents = false;
274
275 using (StreamWriter sw = new StreamWriter(GetFullPath ())) {
276 sw.WriteLine ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
277 sw.WriteLine ("<webpermissions>");
278 sw.WriteLine ();
279 sw.WriteLine (" <admintokens>");
280 sw.WriteLine (" <!-- <token name=\"adminuser1\" token=\"supersecrettoken\" permission_level=\"0\" /> -->");
281 foreach (AdminToken at in admintokens.Values) {
282 sw.WriteLine (string.Format (" <token name=\"{0}\" token=\"{1}\" permission_level=\"{2}\" />", at.name, at.token, at.permissionLevel));
283 }
284 sw.WriteLine (" </admintokens>");
285 sw.WriteLine ();
286 sw.WriteLine (" <permissions>");
287 foreach (WebModulePermission wap in modules.Values) {
288 sw.WriteLine (string.Format (" <permission module=\"{0}\" permission_level=\"{1}\" />", wap.module, wap.permissionLevel));
289 }
290 sw.WriteLine (" <!-- <permission module=\"web.map\" permission_level=\"1000\" /> -->");
291 sw.WriteLine ();
292 sw.WriteLine (" <!-- <permission module=\"webapi.getlog\" permission_level=\"0\" /> -->");
293 sw.WriteLine (" <!-- <permission module=\"webapi.executeconsolecommand\" permission_level=\"0\" /> -->");
294 sw.WriteLine ();
295 sw.WriteLine (" <!-- <permission module=\"webapi.getstats\" permission_level=\"1000\" /> -->");
296 sw.WriteLine (" <!-- <permission module=\"webapi.getplayersonline\" permission_level=\"1000\" /> -->");
297 sw.WriteLine ();
298 sw.WriteLine (" <!-- <permission module=\"webapi.getplayerslocation\" permission_level=\"1000\" /> -->");
299 sw.WriteLine (" <!-- <permission module=\"webapi.viewallplayers\" permission_level=\"1\" /> -->");
300 sw.WriteLine ();
301 sw.WriteLine (" <!-- <permission module=\"webapi.getlandclaims\" permission_level=\"1000\" /> -->");
302 sw.WriteLine (" <!-- <permission module=\"webapi.viewallclaims\" permission_level=\"1\" /> -->");
303 sw.WriteLine ();
304 sw.WriteLine (" <!-- <permission module=\"webapi.getplayerinventory\" permission_level=\"1\" /> -->");
305 sw.WriteLine ();
306 sw.WriteLine (" <!-- <permission module=\"webapi.gethostilelocation\" permission_level=\"1\" /> -->");
307 sw.WriteLine (" <!-- <permission module=\"webapi.getanimalslocation\" permission_level=\"1\" /> -->");
308 sw.WriteLine (" </permissions>");
309 sw.WriteLine ();
310 sw.WriteLine ("</webpermissions>");
311
312 sw.Flush ();
313 sw.Close ();
314 }
315
316 fileWatcher.EnableRaisingEvents = true;
317 }
318
319
320
321 public class AdminToken {
322 public string name;
323 public string token;
324 public int permissionLevel;
325
326 public AdminToken (string _name, string _token, int _permissionLevel) {
327 name = _name;
328 token = _token;
329 permissionLevel = _permissionLevel;
330 }
331 }
332
333 public struct WebModulePermission {
334 public string module;
335 public int permissionLevel;
336
337 public WebModulePermission (string _module, int _permissionLevel) {
338 module = _module;
339 permissionLevel = _permissionLevel;
340 }
341 }
342
343
344 }
345}
346
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