Backup/Discuz.Web/UI/AttachUpload.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Discuz.Entity;
using System.Text;
using Discuz.Forum;
using Discuz.Plugin.Album;
using Discuz.Common;

namespace Discuz.Web.UI
{
    public class AttachUploadPage : PageBase
    {
        AlbumPluginBase apb = AlbumPluginProvider.GetInstance();
        public int forumid = DNTRequest.GetInt("forumid", 0);
        public DataTable albumlist;
        public bool caninsertalbum = false;

        public AttachUploadPage()
        {
            if (!DNTRequest.GetRawUrl().Contains("action=swfupload") && ForumUtils.IsCrossSitePost(DNTRequest.GetUrlReferrer(), DNTRequest.GetHost())) //如果是跨站提交...
                return;

            //处理flash批量上传无法获取userid的问题
            bool canpostattach = true;
            if (DNTRequest.GetString("operation") == "upload")
            {
                string uploadUserid = DNTRequest.GetString("uid");
                int olid = Discuz.Forum.OnlineUsers.GetOlidByUid(TypeConverter.StrToInt(uploadUserid));
                if (olid > 0)
                {
                    OnlineUserInfo oluserinfo = Discuz.Forum.OnlineUsers.GetOnlineUser(olid);
                    string hash = Discuz.Common.DES.Encode(oluserinfo.Olid.ToString() + "," + oluserinfo.Username.ToString(), oluserinfo.Password.Substring(0, 10)).Replace("+", "[");
                    if (DNTRequest.GetString("hash") == hash)
                    {
                        userid = oluserinfo.Userid;
                        usergroupinfo = UserGroups.GetUserGroupInfo(oluserinfo.Groupid);
                    }
                    else
                        canpostattach = false;
                }
                else
                    canpostattach = false;
            }

            UserInfo userinfo = Users.GetUserInfo(userid);
            ForumInfo forum = Forums.GetForumInfo(forumid);
            int MaxTodaySize = (userid > 0 ? Attachments.GetUploadFileSizeByuserid(userid) : 0);
            //今天可上传得大小
            int attachsize = usergroupinfo.Maxsizeperday - MaxTodaySize;
            //得到用户可以上传的文件类型
            string attachmentTypeSelect = Attachments.GetAllowAttachmentType(usergroupinfo, forum);
            string attachextensions = Attachments.GetAttachmentTypeArray(attachmentTypeSelect);
            string attachextensionsnosize = Attachments.GetAttachmentTypeString(attachmentTypeSelect);