1//------------------------------------------------------------------------------
 2// <copyright company="Tunynet">
 3//     Copyright (c) Tunynet Network Technology Co., Ltd.  All rights reserved.
 4// </copyright> 
 5//------------------------------------------------------------------------------
 6
 7using System;
 8using System.Collections.Generic;
 9using System.Text;
10using SpaceBuilder.Blogs.Components;
11using SpaceBuilder.Posts.Components;
12using SpaceBuilder.Posts.Configuration;
13using SpaceBuilder.Blogs.Configuration;
14using SpaceBuilder.Components;
15using SpaceBuilder.Posts.Permissions;
16using System.Web;
17using SpaceBuilder.Controls;
18
19namespace SpaceBuilder.Blogs.Controls
20...{
21    public class UploadAttachment : SpaceBuilder.Controls.UploadAttachment
22    ...{
23        protected override void OnInit(EventArgs e)
24        ...{
25            base.OnInit(e);
26            this.Page.Response.Cache.SetCacheability(HttpCacheability.NoCache);
27            Authorize();
28        }
29
30        protected virtual void Authorize()
31        ...{
32            if (!SBContext.Current.IsAuthenticated)
33                this.Page.Response.Redirect(UserUrls.Instance().Login());
34            Permissions.AccessCheck(CurrentWeblog, Permission.Post, SBContext.Current.User);
35        }
36
37        protected override Section Section
38        ...{
39            get ...{ return this.CurrentWeblog; }
40        }
41
42        private Weblog _currentWeblog = null;
43        public virtual Weblog CurrentWeblog
44        ...{
45            get
46            ...{
47                if ((_currentWeblog == null) || (!_currentWeblog.ApplicationKey.Equals(SBContext.Current.UserDomainName, StringComparison.CurrentCultureIgnoreCase)))
48                ...{
49                    //ApplicationKey 与 UserDomainName 相同
50                    _currentWeblog = Weblogs.GetWeblog(SBContext.Current.UserDomainName, true, true);
51                }
52                return _currentWeblog;
53            }
54        }
55
56        protected override bool IsFileValid(string filename, bool isRemote, int fileSizeBytes, ref string message)
57        ...{
58            AttachmentSettings fs = WeblogConfiguration.Instance().AttachmentSettings;
59            if (fs.ValidateExtensions && !SBContext.Current.User.IsBlogAdministrator)
60            ...{
61                if (!fs.ValidationRegex.IsMatch(filename))
62                ...{
63                    message = string.Format("只允许上传以下文件类型: {0}.", fs.Extensions.Replace(";", ","));
64                    return false;
65                }
66                else
67                    return true;
68            }
69            else
70                return true;
71        }
72
73
74    }
75}