OpenTween/Connection/TwitPic.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) 2011      spinor (@tplantd) <http://d.hatena.ne.jp/spinor/>
   8 //           (c) 2014      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   9 // All rights reserved.
  10 //
  11 // This file is part of OpenTween.
  12 //
  13 // This program is free software; you can redistribute it and/or modify it
  14 // under the terms of the GNU General Public License as published by the Free
  15 // Software Foundation; either version 3 of the License, or (at your option)
  16 // any later version.
  17 //
  18 // This program is distributed in the hope that it will be useful, but
  19 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21 // for more details.
  22 //
  23 // You should have received a copy of the GNU General Public License along
  24 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  25 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  26 // Boston, MA 02110-1301, USA.
  27
  28 using System;
  29 using System.Collections.Generic;
  30 using System.IO;
  31 using System.Linq;
  32 using System.Net;
  33 using System.Threading.Tasks;
  34 using System.Xml;
  35 using System.Xml.Linq;
  36 using System.Xml.XPath;
  37 using OpenTween.Api;
  38
  39 namespace OpenTween.Connection
  40 {
  41     public class TwitPic : IMediaUploadService
  42     {
  43         private readonly string[] pictureExt = new[] { ".jpg", ".jpeg", ".gif", ".png" };
  44
  45         private readonly string[] multimediaExt = new[] { ".avi", ".wmv", ".flv", ".m4v", ".mov", ".mp4", ".rm", ".mpeg", ".mpg", ".3gp", ".3g2" };
  46
  47         private readonly long MaxFileSize = 10L * 1024 * 1024; // Image only
  48         // Multimedia filesize limit unknown. But length limit is 1:30.
  49
  50         private readonly Twitter tw;
  51         private readonly TwitpicApi twitpicApi;
  52
  53         private TwitterConfiguration twitterConfig;
  54
  55         public TwitPic(Twitter twitter, TwitterConfiguration twitterConfig)
  56         {
  57             this.tw = twitter;
  58             this.twitterConfig = twitterConfig;
  59
  60             this.twitpicApi = new TwitpicApi(twitter.AccessToken, twitter.AccessTokenSecret);
  61         }
  62
  63         public int MaxMediaCount
  64         {
  65             get { return 1; }
  66         }
  67
  68         public string SupportedFormatsStrForDialog
  69         {
  70             get
  71             {
  72                 return "Image Files(*" + string.Join(";*", this.pictureExt) + ")|*" + string.Join(";*", this.pictureExt)
  73                     + "|Videos(*" + string.Join(";*", this.multimediaExt) + ")|*" + string.Join(";*", this.multimediaExt);
  74             }
  75         }
  76
  77         public bool CheckFileExtension(string fileExtension)
  78         {
  79             fileExtension = fileExtension.ToLower();
  80
  81             return this.pictureExt.Contains(fileExtension) ||
  82                 this.multimediaExt.Contains(fileExtension);
  83         }
  84
  85         public bool CheckFileSize(string fileExtension, long fileSize)
  86         {
  87             var maxFileSize = this.GetMaxFileSize(fileExtension);
  88             return maxFileSize == null || fileSize <= maxFileSize.Value;
  89         }
  90
  91         public long? GetMaxFileSize(string fileExtension)
  92         {
  93             if (this.multimediaExt.Contains(fileExtension))
  94                 return null; // Multimedia : no check
  95
  96             return MaxFileSize;
  97         }
  98
  99         public async Task PostStatusAsync(string text, long? inReplyToStatusId, string[] filePaths)
 100         {
 101             if (filePaths.Length != 1)
 102                 throw new ArgumentOutOfRangeException("filePaths");
 103
 104             var file = new FileInfo(filePaths[0]);
 105
 106             if (!file.Exists)
 107                 throw new ArgumentException("Err:File isn't exists.", "filePaths[0]");
 108
 109             var xml = await this.twitpicApi.UploadFileAsync(file, text)
 110                 .ConfigureAwait(false);
 111
 112             var imageUrlElm = xml.XPathSelectElement("/image/url");
 113             if (imageUrlElm == null)
 114                 throw new WebApiException("Invalid API response", xml.ToString());
 115
 116             var textWithImageUrl = text + " " + imageUrlElm.Value.Trim();
 117
 118             await Task.Run(() => this.tw.PostStatus(textWithImageUrl, inReplyToStatusId))
 119                 .ConfigureAwait(false);
 120         }
 121
 122         public int GetReservedTextLength(int mediaCount)
 123         {
 124             return this.twitterConfig.ShortUrlLength;
 125         }
 126
 127         public void UpdateTwitterConfiguration(TwitterConfiguration config)
 128         {
 129             this.twitterConfig = config;
 130         }
 131
 132         public class TwitpicApi : HttpConnectionOAuthEcho
 133         {
 134             private static readonly Uri UploadEndpoint = new Uri("http://api.twitpic.com/2/upload.xml");
 135
 136             public TwitpicApi(string twitterAccessToken, string twitterAccessTokenSecret)
 137                 : base(new Uri("http://api.twitter.com/"), new Uri("https://api.twitter.com/1.1/account/verify_credentials.json"))
 138             {
 139                 this.Initialize(ApplicationSettings.TwitterConsumerKey, ApplicationSettings.TwitterConsumerSecret,
 140                     twitterAccessToken, twitterAccessTokenSecret, "", "");
 141
 142                 this.InstanceTimeout = 120000;
 143             }
 144
 145             /// <summary>
 146             /// 画像のアップロードを行います
 147             /// </summary>
 148             /// <exception cref="WebApiException"/>
 149             /// <exception cref="XmlException"/>
 150             public async Task<XDocument> UploadFileAsync(FileInfo file, string message)
 151             {
 152                 // 参照: http://dev.twitpic.com/docs/2/upload/
 153
 154                 var param = new Dictionary<string, string>
 155                 {
 156                     {"key", ApplicationSettings.TwitpicApiKey},
 157                     {"message", message},
 158                 };
 159                 var paramFiles = new List<KeyValuePair<string, FileInfo>>
 160                 {
 161                     new KeyValuePair<string, FileInfo>("media", file),
 162                 };
 163                 var response = "";
 164
 165                 var uploadTask = Task.Run(() => this.GetContent(HttpConnection.PostMethod,
 166                     UploadEndpoint, param, paramFiles, ref response, null, null));
 167
 168                 var ret = await uploadTask.ConfigureAwait(false);
 169
 170                 if (ret != HttpStatusCode.OK)
 171                     throw new WebApiException("Err:" + ret, response);
 172
 173                 return XDocument.Parse(response);
 174             }
 175         }
 176     }
 177 }