当前文件路径：mvcMemberShip/FCKeditor.Net_2.2/FileWorkerBase.cs

		            
  1/**//*
  2 * FCKeditor - The text editor for internet
  3 * Copyright (C) 2003-2005 Frederico Caldeira Knabben
  4 * 
  5 * Licensed under the terms of the GNU Lesser General Public License:
  6 *         http://www.opensource.org/licenses/lgpl-license.php
  7 * 
  8 * For further information visit:
  9 *         http://www.fckeditor.net/
 10 * 
 11 * "Support Open Source software. What about a donation today?"
 12 * 
 13 * File Name: FileWorkerBase.cs
 14 *     Base class used by the FileBrowserConnector and Uploader.
 15 * 
 16 * File Authors:
 17 *         Frederico Caldeira Knabben (fredck@fckeditor.net)
 18 */
 19
 20using System;
 21
 22namespace FredCK.FCKeditorV2
 23...{
 24    public abstract class FileWorkerBase : System.Web.UI.Page
 25    ...{
 26        private const string DEFAULT_USER_FILES_PATH = "/UserFiles/";
 27        private const string DEFAULT_UPLOAD_DENIED_EXTENSIONS = ".php|.php3|.php5|.phtml|.asp|.aspx|.ascx|.jsp|.cfm|.cfc|.pl|.bat|.exe|.dll|.reg|.cgi|.cs|.vb|.asa|.cer|c.dx|.ascx|.asax|.ashx|.asmx|.java|.jsl";
 28
 29        private string sUserFilesPath;
 30        private string sUserFilesDirectory;
 31        private string sUploadDeniedExtensions;
 32
 33        protected string UserFilesPath
 34        ...{
 35            get
 36            ...{
 37                if (sUserFilesPath == null)
 38                ...{
 39                    // Try to get from the "Application".
 40                    sUserFilesPath = (string)Application["FCKeditor:UserFilesPath"];
 41
 42                    // Try to get from the "Session".
 43                    if (sUserFilesPath == null || sUserFilesPath.Length == 0)
 44                    ...{
 45                        sUserFilesPath = (string)Session["FCKeditor:UserFilesPath"];
 46
 47                        // Try to get from the Web.config file.
 48                        if (sUserFilesPath == null || sUserFilesPath.Length == 0)
 49                        ...{
 50                            sUserFilesPath = System.Configuration.ConfigurationSettings.AppSettings["FCKeditor:UserFilesPath"];
 51
 52                            // Otherwise use the default value.
 53                            if (sUserFilesPath == null || sUserFilesPath.Length == 0)
 54                                sUserFilesPath = DEFAULT_USER_FILES_PATH;
 55
 56                            // Try to get from the URL.
 57                            if (sUserFilesPath == null || sUserFilesPath.Length == 0)
 58                            ...{
 59                                sUserFilesPath = Request.QueryString["ServerPath"];
 60                            }
 61                        }
 62                    }
 63
 64                    // Check that the user path ends with slash ("/")
 65                    if (!sUserFilesPath.EndsWith("/"))
 66                        sUserFilesPath += "/";
 67                    /**/////ResolveUrl  add by tupunco 2006-10-9
 68                    if (sUserFilesPath.StartsWith("~"))
 69                        sUserFilesPath = this.ResolveUrl(sUserFilesPath);
 70                }
 71                return sUserFilesPath;
 72            }
 73        }
 74
 75        /**//// <summary>
 76        /// The absolution path (server side) of the user files directory. It 
 77        /// is based on the <see cref="FileWorkerBase.UserFilesPath"/>.
 78        /// </summary>
 79        protected string UserFilesDirectory
 80        ...{
 81            get
 82            ...{
 83                if (sUserFilesDirectory == null)
 84                ...{
 85                    // Get the local (server) directory path translation.
 86                    sUserFilesDirectory = Server.MapPath(this.UserFilesPath);
 87                }
 88                return sUserFilesDirectory;
 89            }
 90        }
 91
 92        /**//// <summary>
 93        /// Denied File's Extensions
 94        /// 不被允许的文件扩展名
 95        /// AppSettings["FCKeditor:UploadDeniedExtensions"]
 96        /// 适用方法可以参看UserFilesPath属性设置方法
 97        /// </summary>
 98        public string UploadDeniedExtensions
 99        ...{
100            get
101            ...{
102                if (sUploadDeniedExtensions == null)
103                ...{
104                    // Try to get from the "Application".
105                    sUploadDeniedExtensions = (string)Application["FCKeditor:UploadDeniedExtensions"];
106
107                    // Try to get from the "Session".
108                    if (sUploadDeniedExtensions == null || sUploadDeniedExtensions.Length == 0)
109                    ...{
110                        sUploadDeniedExtensions = (string)Session["FCKeditor:UploadDeniedExtensions"];
111
112                        // Try to get from the Web.config file.
113                        if (sUploadDeniedExtensions == null || sUploadDeniedExtensions.Length == 0)
114                        ...{
115                            sUploadDeniedExtensions = System.Configuration.ConfigurationSettings.AppSettings["FCKeditor:UploadDeniedExtensions"];
116
117                            // Otherwise use the default value.
118                            if (sUploadDeniedExtensions == null || sUploadDeniedExtensions.Length == 0)
119                                sUploadDeniedExtensions = DEFAULT_UPLOAD_DENIED_EXTENSIONS;
120                        }
121                    }
122                }
123                return sUploadDeniedExtensions;
124            }
125        }
126        /**//// <summary>
127        /// Check Can Upload this file
128        /// 判断文件类型是否可以上传
129        /// </summary>
130        /// <param name="sFileName">will upload file's name将要上传的文件名</param>
131        /// <returns></returns>
132        public bool CheckUploadFileExtension(string sFileName)
133        ...{
134            //Denied Extensions Array
135            //不被允许的文件扩展名数组
136            string[] aExtensions = this.UploadDeniedExtensions.Split(new char[] ...{ '|' });
137            //将要上传的文件扩展名
138            string fileEx = System.IO.Path.GetExtension(sFileName);
139            foreach (string ex in aExtensions)
140            ...{
141                if (ex == fileEx)
142                    return false;
143            }
144            return true;
145        }
146    }
147}
148