OpenTween/Thumbnail/Services/Nicovideo.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 //           (c) 2012      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   8 // All rights reserved.
   9 //
  10 // This file is part of OpenTween.
  11 //
  12 // This program is free software; you can redistribute it and/or modify it
  13 // under the terms of the GNU General Public License as published by the Free
  14 // Software Foundation; either version 3 of the License, or (at your option)
  15 // any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful, but
  18 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  20 // for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License along
  23 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  24 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  25 // Boston, MA 02110-1301, USA.
  26
  27 using System;
  28 using System.Collections.Generic;
  29 using System.Linq;
  30 using System.Text;
  31 using System.Text.RegularExpressions;
  32 using System.Threading;
  33 using System.Threading.Tasks;
  34 using System.Xml;
  35 using OpenTween.Connection;
  36
  37 namespace OpenTween.Thumbnail.Services
  38 {
  39     class Nicovideo : IThumbnailService
  40     {
  41         public static readonly Regex UrlPatternRegex =
  42             new Regex(@"^http://(?:(www|ext)\.nicovideo\.jp/watch|nico\.ms)/(?<id>(?:sm|nm)?[0-9]+)(\?.+)?$");
  43
  44         public override Task<ThumbnailInfo> GetThumbnailInfoAsync(string url, PostClass post, CancellationToken token)
  45         {
  46             return Task.Run(() =>
  47             {
  48                 var match = Nicovideo.UrlPatternRegex.Match(url);
  49                 if (!match.Success)
  50                     return null;
  51
  52                 var apiUrl = "http://www.nicovideo.jp/api/getthumbinfo/" + match.Groups["id"].Value;
  53
  54                 var http = new HttpVarious();
  55                 var src = "";
  56                 var imgurl = "";
  57                 string errmsg;
  58                 if (http.GetData(apiUrl, null, out src, 0, out errmsg, Networking.GetUserAgentString()))
  59                 {
  60                     var sb = new StringBuilder();
  61                     var xdoc = new XmlDocument();
  62                     try
  63                     {
  64                         xdoc.LoadXml(src);
  65                         var status = xdoc.SelectSingleNode("/nicovideo_thumb_response").Attributes["status"].Value;
  66                         if (status == "ok")
  67                         {
  68                             imgurl = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/thumbnail_url").InnerText;
  69
  70                             //ツールチップに動画情報をセットする
  71                             string tmp;
  72
  73                             try
  74                             {
  75                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/title").InnerText;
  76                                 if (!string.IsNullOrEmpty(tmp))
  77                                 {
  78                                     sb.Append(Properties.Resources.NiconicoInfoText1);
  79                                     sb.Append(tmp);
  80                                     sb.AppendLine();
  81                                 }
  82                             }
  83                             catch (Exception)
  84                             {
  85
  86                             }
  87
  88                             try
  89                             {
  90                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/length").InnerText;
  91                                 if (!string.IsNullOrEmpty(tmp))
  92                                 {
  93                                     sb.Append(Properties.Resources.NiconicoInfoText2);
  94                                     sb.Append(tmp);
  95                                     sb.AppendLine();
  96                                 }
  97                             }
  98                             catch (Exception)
  99                             {
 100
 101                             }
 102
 103                             try
 104                             {
 105                                 var tm = new DateTime();
 106                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/first_retrieve").InnerText;
 107                                 if (DateTime.TryParse(tmp, out tm))
 108                                 {
 109                                     sb.Append(Properties.Resources.NiconicoInfoText3);
 110                                     sb.Append(tm.ToString());
 111                                     sb.AppendLine();
 112                                 }
 113                             }
 114                             catch (Exception)
 115                             {
 116
 117                             }
 118
 119                             try
 120                             {
 121                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/view_counter").InnerText;
 122                                 if (!string.IsNullOrEmpty(tmp))
 123                                 {
 124                                     sb.Append(Properties.Resources.NiconicoInfoText4);
 125                                     sb.Append(tmp);
 126                                     sb.AppendLine();
 127                                 }
 128                             }
 129                             catch (Exception)
 130                             {
 131
 132                             }
 133
 134                             try
 135                             {
 136                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/comment_num").InnerText;
 137                                 if (!string.IsNullOrEmpty(tmp))
 138                                 {
 139                                     sb.Append(Properties.Resources.NiconicoInfoText5);
 140                                     sb.Append(tmp);
 141                                     sb.AppendLine();
 142                                 }
 143                             }
 144                             catch (Exception)
 145                             {
 146
 147                             }
 148                             try
 149                             {
 150                                 tmp = xdoc.SelectSingleNode("/nicovideo_thumb_response/thumb/mylist_counter").InnerText;
 151                                 if (!string.IsNullOrEmpty(tmp))
 152                                 {
 153                                     sb.Append(Properties.Resources.NiconicoInfoText6);
 154                                     sb.Append(tmp);
 155                                     sb.AppendLine();
 156                                 }
 157                             }
 158                             catch (Exception)
 159                             {
 160
 161                             }
 162                         }
 163                         else if (status == "fail")
 164                         {
 165                             var errcode = xdoc.SelectSingleNode("/nicovideo_thumb_response/error/code").InnerText;
 166                             errmsg = errcode;
 167                             imgurl = "";
 168                         }
 169                         else
 170                         {
 171                             errmsg = "UnknownResponse";
 172                             imgurl = "";
 173                         }
 174
 175                     }
 176                     catch (Exception)
 177                     {
 178                         imgurl = "";
 179                         errmsg = "Invalid XML";
 180                     }
 181
 182                     if (!string.IsNullOrEmpty(imgurl))
 183                     {
 184                         return new ThumbnailInfo
 185                         {
 186                             ImageUrl = url,
 187                             ThumbnailUrl = imgurl,
 188                             TooltipText = sb.ToString().Trim()
 189                         };
 190                     }
 191                 }
 192
 193                 return null;
 194             }, token);
 195         }
 196     }
 197 }