WebApplication/ueditor/net/App_Code/UploadHandler.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web;

/// <summary>
/// UploadHandler 的摘要说明
/// </summary>
public class UploadHandler : Handler
{

    public UploadConfig UploadConfig { get; private set; }
    public UploadResult Result { get; private set; }

    public UploadHandler(HttpContext context, UploadConfig config)
        : base(context)
    {
        this.UploadConfig = config;
        this.Result = new UploadResult() { State = UploadState.Unknown };
    }

    public override void Process()
    {
        byte[] uploadFileBytes = null;
        string uploadFileName = null;

        if (UploadConfig.Base64)
        {
            uploadFileName = UploadConfig.Base64Filename;
            uploadFileBytes = Convert.FromBase64String(Request[UploadConfig.UploadFieldName]);
        }
        else
        {
            var file = Request.Files[UploadConfig.UploadFieldName];
            uploadFileName = file.FileName;

            if (!CheckFileType(uploadFileName))
            {
                Result.State = UploadState.TypeNotAllow;
                WriteResult();
                return;
            }
            if (!CheckFileSize(file.ContentLength))
            {
                Result.State = UploadState.SizeLimitExceed;
                WriteResult();
                return;
            }

            uploadFileBytes = new byte[file.ContentLength];
            try
            {
                file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
            }
            catch (Exception)
            {
                Result.State = UploadState.NetworkError;
                WriteResult();