KancolleSniffer/LogServer.cs

   1 // Copyright (C) 2014, 2015 Kazuhiro Fujieda <fujieda@users.osdn.me>\r
   2 //\r
   3 // Licensed under the Apache License, Version 2.0 (the "License");\r
   4 // you may not use this file except in compliance with the License.\r
   5 // You may obtain a copy of the License at\r
   6 //\r
   7 //    http://www.apache.org/licenses/LICENSE-2.0\r
   8 //\r
   9 // Unless required by applicable law or agreed to in writing, software\r
  10 // distributed under the License is distributed on an "AS IS" BASIS,\r
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 // See the License for the specific language governing permissions and\r
  13 // limitations under the License.\r
  14 \r
  15 using System;\r
  16 using System.Collections.Generic;\r
  17 using System.Globalization;\r
  18 using System.IO;\r
  19 using System.Linq;\r
  20 using System.Net.Sockets;\r
  21 using System.Text;\r
  22 \r
  23 namespace KancolleSniffer\r
  24 {\r
  25     public class LogServer\r
  26     {\r
  27         private static readonly string IndexDir = AppDomain.CurrentDomain.BaseDirectory;\r
  28         private static string _outputDir = AppDomain.CurrentDomain.BaseDirectory;\r
  29 \r
  30         public static string OutputDir\r
  31         {\r
  32             set => _outputDir = value;\r
  33         }\r
  34 \r
  35         public static void Process(Socket client, string requestLine)\r
  36         {\r
  37             var from = DateTime.MinValue;\r
  38             var to = DateTime.MaxValue;\r
  39             var timestamp = false;\r
  40 \r
  41             var request = requestLine.Split(' ');\r
  42             if (request.Length != 3)\r
  43             {\r
  44                 SendError(client, "400 Bad Request");\r
  45                 return;\r
  46             }\r
  47             if (!request[0].StartsWith("GET", StringComparison.OrdinalIgnoreCase))\r
  48             {\r
  49                 SendError(client, "501 Not Implemented");\r
  50                 return;\r
  51             }\r
  52             var tmp = request[1].Split('?');\r
  53             var path = HttpUtility.UrlDecode(tmp[0]);\r
  54             if (path == null || !path.StartsWith("/"))\r
  55             {\r
  56                 SendError(client, "400 Bad Request");\r
  57                 return;\r
  58             }\r
  59             if (tmp.Length == 2)\r
  60             {\r
  61                 var query = HttpUtility.ParseQueryString(tmp[1]);\r
  62                 if (query["from"] != null)\r
  63                 {\r
  64                     double tick;\r
  65                     double.TryParse(query["from"], out tick);\r
  66                     from = new DateTime(1970, 1, 1).ToLocalTime().AddSeconds(tick / 1000);\r
  67                 }\r
  68                 if (query["to"] != null)\r
  69                 {\r
  70                     double tick;\r
  71                     double.TryParse(query["to"], out tick);\r
  72                     to = new DateTime(1970, 1, 1).ToLocalTime().AddSeconds(tick / 1000);\r
  73                 }\r
  74                 if (query["number"] != null)\r
  75                     timestamp = query["number"] == "true";\r
  76             }\r
  77 \r
  78             path = path == "/" ? "index.html" : path.Substring(1);\r
  79             var full = Path.Combine(IndexDir, path);\r
  80             var csv = Path.Combine(_outputDir, path);\r
  81             if (path.EndsWith(".html", StringComparison.OrdinalIgnoreCase) && File.Exists(full))\r
  82             {\r
  83                 SendFile(client, full, "text/html");\r
  84                 return;\r
  85             }\r
  86             if (path.EndsWith(".csv", StringComparison.OrdinalIgnoreCase) && File.Exists(csv))\r
  87             {\r
  88                 SendFile(client, csv, "text/csv; charset=Shift_JIS");\r
  89                 return;\r
  90             }\r
  91             if (path.EndsWith(".json", StringComparison.OrdinalIgnoreCase))\r
  92             {\r
  93                 SendJsonData(client, csv, from, to, timestamp);\r
  94                 return;\r
  95             }\r
  96             if (path.EndsWith(".js", StringComparison.OrdinalIgnoreCase) && File.Exists(full))\r
  97             {\r
  98                 SendFile(client, full, "application/javascript");\r
  99                 return;\r
 100             }\r
 101             if (path.EndsWith("proxy.pac"))\r
 102             {\r
 103                 SendProxyPac(client, HttpProxy.LocalPort);\r
 104                 return;\r
 105             }\r
 106             SendError(client, "404 Not Found");\r
 107         }\r
 108 \r
 109         private static void SendError(Socket client, string error)\r
 110         {\r
 111             using (var writer = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 112             {\r
 113                 writer.Write("HTTP/1.1 {0}\r\n", error);\r
 114                 writer.Write("Server: KancolleSniffer\r\n");\r
 115                 writer.Write("Date: {0:R}\r\n", DateTime.Now);\r
 116                 writer.Write("Connection: close\r\n\r\n");\r
 117                 writer.Write("<html><head><title>{0}</title></head>\r\n", error);\r
 118                 writer.Write("<body><h4>{0}</h4></body></html>\r\n\r\n", error);\r
 119                 writer.Flush();\r
 120                 client.Send(((MemoryStream)writer.BaseStream).ToArray());\r
 121             }\r
 122         }\r
 123 \r
 124         private static void SendJsonData(Socket client, string path, DateTime from, DateTime to, bool number)\r
 125         {\r
 126             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 127             {\r
 128                 header.Write("HTTP/1.1 200 OK\r\n");\r
 129                 header.Write("Server: KancolleSniffer\r\n");\r
 130                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 131                 header.Write("Content-Type: {0}\r\n", "application/json; charset=Shift_JIS");\r
 132                 header.Write("Connection: close\r\n\r\n");\r
 133                 header.Flush();\r
 134                 client.Send(((MemoryStream)header.BaseStream).ToArray());\r
 135             }\r
 136             var csv = path.Replace(".json", ".csv");\r
 137             var encoding = Encoding.GetEncoding("Shift_JIS");\r
 138             client.Send(encoding.GetBytes("{ \"data\": [\n"));\r
 139             var battle = false;\r
 140             var material = false;\r
 141             try\r
 142             {\r
 143                 if (!File.Exists(csv))\r
 144                     return;\r
 145                 var records = 0;\r
 146                 if (path.EndsWith("遠征報告書.json"))\r
 147                 {\r
 148                     records = 10;\r
 149                 }\r
 150                 else if (path.EndsWith("改修報告書.json"))\r
 151                 {\r
 152                     records = 15;\r
 153                 }\r
 154                 else if (path.EndsWith("海戦・ドロップ報告書.json"))\r
 155                 {\r
 156                     records = 38;\r
 157                     battle = true;\r
 158                 }\r
 159                 else if (path.EndsWith("開発報告書.json"))\r
 160                 {\r
 161                     records = 9;\r
 162                 }\r
 163                 else if (path.EndsWith("建造報告書.json"))\r
 164                 {\r
 165                     records = 12;\r
 166                 }\r
 167                 else if (path.EndsWith("資材ログ.json"))\r
 168                 {\r
 169                     records = 9;\r
 170                     material = true;\r
 171                 }\r
 172                 else if (path.EndsWith("戦果.json"))\r
 173                 {\r
 174                     records = 3;\r
 175                 }\r
 176                 var delimiter = "";\r
 177                 foreach (var line in File.ReadLines(csv, encoding).Skip(1))\r
 178                 {\r
 179                     var data = line.Split(',');\r
 180                     if (!DateTime.TryParseExact(data[0], Logger.DateTimeFormat, CultureInfo.InvariantCulture,\r
 181                         DateTimeStyles.AssumeLocal, out DateTime date))\r
 182                     {\r
 183                         if (DateTime.TryParse(data[0], CultureInfo.CurrentCulture,\r
 184                             DateTimeStyles.AssumeLocal, out date))\r
 185                         {\r
 186                             data[0] = date.ToString(Logger.DateTimeFormat);\r
 187                         }\r
 188                         else\r
 189                         {\r
 190                             continue;\r
 191                         }\r
 192                     }\r
 193                     if (date < from || to < date)\r
 194                         continue;\r
 195                     IEnumerable<string> entries = data;\r
 196                     if (material)\r
 197                         entries = data.Take(9);\r
 198                     if (battle)\r
 199                         entries = data.Concat(Enumerable.Repeat("", 3)).Take(38);\r
 200                     if (entries.Count() != records)\r
 201                         continue;\r
 202                     if (number)\r
 203                     {\r
 204                         var stamp = ((date.ToUniversalTime().Ticks -\r
 205                                       new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Ticks) /\r
 206                                      TimeSpan.TicksPerMillisecond).ToString();\r
 207                         client.Send(encoding.GetBytes(delimiter + "[" + stamp + "," +\r
 208                                                       string.Join(",", entries.Skip(1)) + "]"));\r
 209                     }\r
 210                     else\r
 211                     {\r
 212                         client.Send(encoding.GetBytes(delimiter + "[\"" +\r
 213                                                       string.Join("\",\"", entries) + "\"]"));\r
 214                     }\r
 215                     delimiter = ",\n";\r
 216                 }\r
 217             }\r
 218             finally\r
 219             {\r
 220                 client.Send(encoding.GetBytes("]}\n"));\r
 221             }\r
 222         }\r
 223 \r
 224         private static void SendFile(Socket client, string path, string mime)\r
 225         {\r
 226             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 227             {\r
 228                 header.Write("HTTP/1.1 200 OK\r\n");\r
 229                 header.Write("Server: KancolleSniffer\r\n");\r
 230                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 231                 header.Write("Content-Length: {0}\r\n", new FileInfo(path).Length);\r
 232                 header.Write("Content-Type: {0}\r\n", mime);\r
 233                 header.Write("Connection: close\r\n\r\n");\r
 234                 header.Flush();\r
 235                 client.SendFile(path, ((MemoryStream)header.BaseStream).ToArray(), null,\r
 236                     TransmitFileOptions.UseDefaultWorkerThread);\r
 237             }\r
 238         }\r
 239 \r
 240         private static void SendProxyPac(Socket client, int port)\r
 241         {\r
 242             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 243             {\r
 244                 header.Write("HTTP/1.1 200 OK\r\n");\r
 245                 header.Write("Server: KancolleSniffer\r\n");\r
 246                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 247                 header.Write("Content-Type: application/x-ns-proxy-autoconfig\r\n");\r
 248                 header.Write("Connection: close\r\n\r\n");\r
 249                 header.Flush();\r
 250                 client.Send(((MemoryStream)header.BaseStream).ToArray());\r
 251             }\r
 252             var pacFile = @"\r
 253 function FindProxyForURL(url, host) {\r
 254   if(isInNet(host, ""203.104.209.71"", ""255.255.255.255"") ||\r
 255      isInNet(host, ""125.6.184.15"", ""255.255.255.255"") ||\r
 256      isInNet(host, ""125.6.184.16"", ""255.255.255.255"") ||\r
 257      isInNet(host, ""125.6.187.205"", ""255.255.255.255"") ||\r
 258      isInNet(host, ""125.6.187.229"", ""255.255.255.255"") ||\r
 259      isInNet(host, ""125.6.187.253"", ""255.255.255.255"") ||\r
 260      isInNet(host, ""125.6.188.25"", ""255.255.255.255"") ||\r
 261      isInNet(host, ""203.104.248.135"", ""255.255.255.255"") ||\r
 262      isInNet(host, ""125.6.189.7"", ""255.255.255.255"") ||\r
 263      isInNet(host, ""125.6.189.39"", ""255.255.255.255"") ||\r
 264      isInNet(host, ""125.6.189.71"", ""255.255.255.255"") ||\r
 265      isInNet(host, ""125.6.189.103"", ""255.255.255.255"") ||\r
 266      isInNet(host, ""125.6.189.135"", ""255.255.255.255"") ||\r
 267      isInNet(host, ""125.6.189.167"", ""255.255.255.255"") ||\r
 268      isInNet(host, ""125.6.189.215"", ""255.255.255.255"") ||\r
 269      isInNet(host, ""125.6.189.247"", ""255.255.255.255"") ||\r
 270      isInNet(host, ""203.104.209.23"", ""255.255.255.255"") ||\r
 271      isInNet(host, ""203.104.209.39"", ""255.255.255.255"") ||\r
 272      isInNet(host, ""203.104.209.55"", ""255.255.255.255"") ||\r
 273      isInNet(host, ""203.104.209.102"", ""255.255.255.255"") ||\r
 274      isInNet(host, ""203.104.209.87"", ""255.255.255.255"")) {\r
 275        return ""PROXY 127.0.0.1:8080"";\r
 276     }\r
 277   else {\r
 278     return ""DIRECT"";\r
 279   }\r
 280 }".Replace("8080", port.ToString());\r
 281             client.Send(Encoding.ASCII.GetBytes(pacFile));\r
 282         }\r
 283     }\r
 284 }