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 using System.Text.RegularExpressions;\r
  23 \r
  24 namespace KancolleSniffer\r
  25 {\r
  26     public class LogServer\r
  27     {\r
  28         private static readonly string IndexDir = AppDomain.CurrentDomain.BaseDirectory;\r
  29         private static string _outputDir = AppDomain.CurrentDomain.BaseDirectory;\r
  30 \r
  31         public static string OutputDir\r
  32         {\r
  33             set => _outputDir = value;\r
  34         }\r
  35 \r
  36         public static MaterialCount[] MaterialHistory { private get; set; }\r
  37 \r
  38         public static void Process(Socket client, string requestLine)\r
  39         {\r
  40             var from = DateTime.MinValue;\r
  41             var to = DateTime.MaxValue;\r
  42             var timestamp = false;\r
  43 \r
  44             var request = requestLine.Split(' ');\r
  45             if (request.Length != 3)\r
  46             {\r
  47                 SendError(client, "400 Bad Request");\r
  48                 return;\r
  49             }\r
  50             if (!request[0].StartsWith("GET", StringComparison.OrdinalIgnoreCase))\r
  51             {\r
  52                 SendError(client, "501 Not Implemented");\r
  53                 return;\r
  54             }\r
  55             var tmp = request[1].Split('?');\r
  56             var path = HttpUtility.UrlDecode(tmp[0]);\r
  57             if (path == null || !path.StartsWith("/"))\r
  58             {\r
  59                 SendError(client, "400 Bad Request");\r
  60                 return;\r
  61             }\r
  62             if (tmp.Length == 2)\r
  63             {\r
  64                 var query = HttpUtility.ParseQueryString(tmp[1]);\r
  65                 if (query["from"] != null)\r
  66                 {\r
  67                     double.TryParse(query["from"], out var tick);\r
  68                     from = new DateTime(1970, 1, 1).ToLocalTime().AddSeconds(tick / 1000);\r
  69                 }\r
  70                 if (query["to"] != null)\r
  71                 {\r
  72                     double.TryParse(query["to"], out var tick);\r
  73                     to = new DateTime(1970, 1, 1).ToLocalTime().AddSeconds(tick / 1000);\r
  74                 }\r
  75                 if (query["number"] != null)\r
  76                     timestamp = query["number"] == "true";\r
  77             }\r
  78 \r
  79             path = path == "/" ? "index.html" : path.Substring(1);\r
  80             var full = Path.Combine(IndexDir, path);\r
  81             var csv = Path.Combine(_outputDir, path);\r
  82             if (path.EndsWith(".html", StringComparison.OrdinalIgnoreCase) && File.Exists(full))\r
  83             {\r
  84                 SendFile(client, full, "text/html");\r
  85                 return;\r
  86             }\r
  87             if (path.EndsWith(".csv", StringComparison.OrdinalIgnoreCase) && File.Exists(csv))\r
  88             {\r
  89                 SendFile(client, csv, "text/csv; charset=Shift_JIS");\r
  90                 return;\r
  91             }\r
  92             if (path.EndsWith(".json", StringComparison.OrdinalIgnoreCase))\r
  93             {\r
  94                 SendJsonData(client, csv, from, to, timestamp);\r
  95                 return;\r
  96             }\r
  97             if (path.EndsWith(".js", StringComparison.OrdinalIgnoreCase) && File.Exists(full))\r
  98             {\r
  99                 SendFile(client, full, "application/javascript");\r
 100                 return;\r
 101             }\r
 102             if (path.EndsWith(".pac"))\r
 103             {\r
 104                 SendProxyPac(client, HttpProxy.LocalPort);\r
 105                 return;\r
 106             }\r
 107             SendError(client, "404 Not Found");\r
 108         }\r
 109 \r
 110         private static void SendError(Socket client, string error)\r
 111         {\r
 112             using (var writer = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 113             {\r
 114                 writer.Write("HTTP/1.1 {0}\r\n", error);\r
 115                 writer.Write("Server: KancolleSniffer\r\n");\r
 116                 writer.Write("Date: {0:R}\r\n", DateTime.Now);\r
 117                 writer.Write("Connection: close\r\n\r\n");\r
 118                 writer.Write("<html><head><title>{0}</title></head>\r\n", error);\r
 119                 writer.Write("<body><h4>{0}</h4></body></html>\r\n\r\n", error);\r
 120                 writer.Flush();\r
 121                 client.Send(((MemoryStream)writer.BaseStream).ToArray());\r
 122             }\r
 123         }\r
 124 \r
 125         private static void SendJsonData(Socket client, string path, DateTime from, DateTime to, bool number)\r
 126         {\r
 127             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 128             {\r
 129                 header.Write("HTTP/1.1 200 OK\r\n");\r
 130                 header.Write("Server: KancolleSniffer\r\n");\r
 131                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 132                 header.Write("Content-Type: {0}\r\n", "application/json; charset=Shift_JIS");\r
 133                 header.Write("Connection: close\r\n\r\n");\r
 134                 header.Flush();\r
 135                 client.Send(((MemoryStream)header.BaseStream).ToArray());\r
 136             }\r
 137             var csv = path.Replace(".json", ".csv");\r
 138             var encoding = Encoding.GetEncoding("Shift_JIS");\r
 139             client.Send(encoding.GetBytes("{ \"data\": [\n"));\r
 140             var battle = false;\r
 141             var material = false;\r
 142             try\r
 143             {\r
 144                 if (!File.Exists(csv))\r
 145                     return;\r
 146                 var records = 0;\r
 147                 if (path.EndsWith("遠征報告書.json"))\r
 148                 {\r
 149                     records = 10;\r
 150                 }\r
 151                 else if (path.EndsWith("改修報告書.json"))\r
 152                 {\r
 153                     records = 15;\r
 154                 }\r
 155                 else if (path.EndsWith("海戦・ドロップ報告書.json"))\r
 156                 {\r
 157                     records = 39;\r
 158                     battle = true;\r
 159                 }\r
 160                 else if (path.EndsWith("開発報告書.json"))\r
 161                 {\r
 162                     records = 9;\r
 163                 }\r
 164                 else if (path.EndsWith("建造報告書.json"))\r
 165                 {\r
 166                     records = 12;\r
 167                 }\r
 168                 else if (path.EndsWith("資材ログ.json"))\r
 169                 {\r
 170                     records = 9;\r
 171                     material = true;\r
 172                 }\r
 173                 else if (path.EndsWith("戦果.json"))\r
 174                 {\r
 175                     records = 3;\r
 176                 }\r
 177                 var delimiter = "";\r
 178                 foreach (var line in File.ReadLines(csv, encoding).Skip(1))\r
 179                 {\r
 180                     var data = line.Split(',');\r
 181                     if (!DateTime.TryParseExact(data[0], Logger.DateTimeFormat, CultureInfo.InvariantCulture,\r
 182                         DateTimeStyles.AssumeLocal, out DateTime date))\r
 183                     {\r
 184                         // システムが和暦に設定されていて和暦が出力されてしまったケースを救う\r
 185                         var wareki = CultureInfo.CreateSpecificCulture("ja-JP");\r
 186                         wareki.DateTimeFormat.Calendar = new JapaneseCalendar();\r
 187                         if (DateTime.TryParseExact(data[0], Logger.DateTimeFormat, wareki,\r
 188                             DateTimeStyles.AssumeLocal, out date))\r
 189                         {\r
 190                             data[0] = Logger.FormatDateTime(date);\r
 191                         }\r
 192                         else if (DateTime.TryParse(data[0], CultureInfo.CurrentCulture,\r
 193                             DateTimeStyles.AssumeLocal, out date))\r
 194                         {\r
 195                             data[0] = Logger.FormatDateTime(date);\r
 196                         }\r
 197                         else\r
 198                         {\r
 199                             continue;\r
 200                         }\r
 201                     }\r
 202                     if (date < from || to < date)\r
 203                         continue;\r
 204                     IEnumerable<string> entries = data;\r
 205                     if (material)\r
 206                         entries = data.Take(9);\r
 207                     if (battle)\r
 208                         entries = BattleLogProcessor.Process(data);\r
 209                     if (entries.Count() != records)\r
 210                         continue;\r
 211                     if (number)\r
 212                     {\r
 213                         var stamp = ((date.ToUniversalTime().Ticks -\r
 214                                       new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Ticks) /\r
 215                                      TimeSpan.TicksPerMillisecond).ToString();\r
 216                         client.Send(encoding.GetBytes(delimiter + "[" + stamp + "," +\r
 217                                                       string.Join(",", entries.Skip(1)) + "]"));\r
 218                     }\r
 219                     else\r
 220                     {\r
 221                         client.Send(encoding.GetBytes(delimiter + "[\"" +\r
 222                                                       string.Join("\",\"", entries) + "\"]"));\r
 223                     }\r
 224                     delimiter = ",\n";\r
 225                 }\r
 226                 if (material && !number)\r
 227                 {\r
 228                     client.Send(encoding.GetBytes(delimiter + "[\"" +\r
 229                                                   string.Join("\",\"", GetCurrentMaterialRecord()) + "\"]"));\r
 230                 }\r
 231             }\r
 232             finally\r
 233             {\r
 234                 client.Send(encoding.GetBytes("]}\n"));\r
 235             }\r
 236         }\r
 237 \r
 238         private static IEnumerable<string> GetCurrentMaterialRecord()\r
 239         {\r
 240             return new[] {Logger.FormatDateTime(DateTime.Now)}.Concat(MaterialHistory.Select(c => c.Now.ToString()));\r
 241         }\r
 242 \r
 243         private static void SendFile(Socket client, string path, string mime)\r
 244         {\r
 245             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 246             {\r
 247                 header.Write("HTTP/1.1 200 OK\r\n");\r
 248                 header.Write("Server: KancolleSniffer\r\n");\r
 249                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 250                 header.Write("Content-Length: {0}\r\n", new FileInfo(path).Length);\r
 251                 header.Write("Content-Type: {0}\r\n", mime);\r
 252                 header.Write("Connection: close\r\n\r\n");\r
 253                 header.Flush();\r
 254                 client.SendFile(path, ((MemoryStream)header.BaseStream).ToArray(), null,\r
 255                     TransmitFileOptions.UseDefaultWorkerThread);\r
 256             }\r
 257         }\r
 258 \r
 259         private static void SendProxyPac(Socket client, int port)\r
 260         {\r
 261             using (var header = new StreamWriter(new MemoryStream(), Encoding.ASCII))\r
 262             {\r
 263                 header.Write("HTTP/1.1 200 OK\r\n");\r
 264                 header.Write("Server: KancolleSniffer\r\n");\r
 265                 header.Write("Date: {0:R}\r\n", DateTime.Now);\r
 266                 header.Write("Content-Type: application/x-ns-proxy-autoconfig\r\n");\r
 267                 header.Write("Connection: close\r\n\r\n");\r
 268                 header.Flush();\r
 269                 client.Send(((MemoryStream)header.BaseStream).ToArray());\r
 270             }\r
 271             string pacFile;\r
 272             try\r
 273             {\r
 274                 pacFile = File.ReadAllText("proxy.pac").Replace("8080", port.ToString());\r
 275             }\r
 276             catch\r
 277             {\r
 278                 pacFile = "";\r
 279             }\r
 280             client.Send(Encoding.ASCII.GetBytes(pacFile));\r
 281         }\r
 282     }\r
 283 \r
 284     public static class BattleLogProcessor\r
 285     {\r
 286         public static IEnumerable<string> Process(string[] data)\r
 287         {\r
 288             if (data.Length == 35)\r
 289                 data = data.Concat(Enumerable.Repeat("", 3)).ToArray();\r
 290             if (data.Length == 40)\r
 291             {\r
 292                 data = data.Take(21).Concat(new[] {data[21] + "・" + data[23], data[22] + "・" + data[24]})\r
 293                     .Concat(data.Skip(25)).ToArray();\r
 294             }\r
 295             else if (data.Length != 38)\r
 296             {\r
 297                 return data;\r
 298             }\r
 299             if (data[5] == "Ｔ字戦(有利)")\r
 300                 data[5] = "Ｔ字有利";\r
 301             if (data[5] == "Ｔ字戦(不利)")\r
 302                 data[5] = "Ｔ字不利";\r
 303             if (data[6].EndsWith("航行序列"))\r
 304                 data[6] = data[6].Substring(0, 4);\r
 305             if (data[7].EndsWith("航行序列"))\r
 306                 data[7] = data[7].Substring(0, 4);\r
 307             data[37] = ShortenAirBattleResult(data[37]);\r
 308             return AddDamagedShip(data);\r
 309         }\r
 310 \r
 311         private static string ShortenAirBattleResult(string result)\r
 312         {\r
 313             switch (result)\r
 314             {\r
 315                 case "制空均衡":\r
 316                     return "均衡";\r
 317                 case "制空権確保":\r
 318                     return "確保";\r
 319                 case "航空優勢":\r
 320                     return "優勢";\r
 321                 case "航空劣勢":\r
 322                     return "劣勢";\r
 323                 case "制空権喪失":\r
 324                     return "喪失";\r
 325                 default:\r
 326                     return "";\r
 327             }\r
 328         }\r
 329 \r
 330         private static IEnumerable<string> AddDamagedShip(string[] data)\r
 331         {\r
 332             var damaged = new List<string>();\r
 333             for (var i = 11; i < 11 + 12; i += 2)\r
 334             {\r
 335                 if (data[i] == "")\r
 336                     continue;\r
 337                 var ship = data[i] = StripKana(data[i]);\r
 338                 var hp = data[i + 1];\r
 339                 try\r
 340                 {\r
 341                     damaged.AddRange(from entry in ship.Split('・').Zip(hp.Split('・'), (s, h) => new {s, h})\r
 342                         where entry.h.Contains("/")\r
 343                         let nm = entry.h.Split('/').Select(int.Parse).ToArray()\r
 344                         where ShipStatus.CalcDamage(nm[0], nm[1]) == ShipStatus.Damage.Badly\r
 345                         select entry.s);\r
 346                 }\r
 347                 catch (FormatException)\r
 348                 {\r
 349                     return data;\r
 350                 }\r
 351             }\r
 352             return data.Take(23).Concat(new[] {string.Join("・", damaged)}).Concat(data.Skip(23));\r
 353         }\r
 354 \r
 355         private static readonly Regex Kana = new Regex(@"\([^)]+\)\(", RegexOptions.Compiled);\r
 356 \r
 357         private static string StripKana(string name)\r
 358         {\r
 359             return Kana.Replace(name, "(");\r
 360         }\r
 361     }\r
 362 }