[903] | 1 | <!--
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| 2 | * FCKeditor - The text editor for internet
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| 3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben
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| 4 | *
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| 5 | * Licensed under the terms of the GNU Lesser General Public License:
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| 6 | * http://www.opensource.org/licenses/lgpl-license.php
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| 7 | *
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| 8 | * For further information visit:
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| 9 | * http://www.fckeditor.net/
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| 10 | *
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| 11 | * "Support Open Source software. What about a donation today?"
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| 12 | *
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| 13 | * File Name: class_upload.asp
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| 14 | * These are the classes used to handle ASP upload without using third
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| 15 | * part components (OCX/DLL).
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| 16 | *
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| 17 | * File Authors:
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| 18 | * NetRube (netrube@126.com)
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| 19 | -->
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| 20 | <%
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| 21 | '**********************************************
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| 22 | ' File: NetRube_Upload.asp
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| 23 | ' Version: NetRube Upload Class Version 2.1 Build 20050228
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| 24 | ' Author: NetRube
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| 25 | ' Email: NetRube@126.com
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| 26 | ' Date: 02/28/2005
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| 27 | ' Comments: The code for the Upload.
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| 28 | ' This can free usage, but please
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| 29 | ' not to delete this copyright information.
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| 30 | ' If you have a modification version,
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| 31 | ' Please send out a duplicate to me.
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| 32 | '**********************************************
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| 33 | ' 文件名: NetRube_Upload.asp
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| 34 | ' 版本: NetRube Upload Class Version 2.1 Build 20050228
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| 35 | ' 作者: NetRube(网络乡巴佬)
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| 36 | ' 电子邮件: NetRube@126.com
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| 37 | ' 日期: 2005年02月28日
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| 38 | ' 声明: 文件上传类
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| 39 | ' 本上传类可以自由使用,但请保留此版权声明信息
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| 40 | ' 如果您对本上传类进行修改增强,
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| 41 | ' 请发送一份给俺。
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| 42 | '**********************************************
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| 43 |
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| 44 | Class NetRube_Upload
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| 45 |
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| 46 | Public File, Form
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| 47 | Private oSourceData
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| 48 | Private nMaxSize, nErr, sAllowed, sDenied
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| 49 |
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| 50 | Private Sub Class_Initialize
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| 51 | nErr = 0
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| 52 | nMaxSize = 1048576
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| 53 |
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| 54 | Set File = Server.CreateObject("Scripting.Dictionary")
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| 55 | File.CompareMode = 1
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| 56 | Set Form = Server.CreateObject("Scripting.Dictionary")
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| 57 | Form.CompareMode = 1
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| 58 |
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| 59 | Set oSourceData = Server.CreateObject("ADODB.Stream")
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| 60 | oSourceData.Type = 1
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| 61 | oSourceData.Mode = 3
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| 62 | oSourceData.Open
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| 63 | End Sub
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| 64 |
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| 65 | Private Sub Class_Terminate
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| 66 | Form.RemoveAll
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| 67 | Set Form = Nothing
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| 68 | File.RemoveAll
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| 69 | Set File = Nothing
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| 70 |
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| 71 | oSourceData.Close
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| 72 | Set oSourceData = Nothing
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| 73 | End Sub
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| 74 |
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| 75 | Public Property Get Version
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| 76 | Version = "NetRube Upload Class Version 1.0 Build 20041218"
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| 77 | End Property
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| 78 |
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| 79 | Public Property Get ErrNum
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| 80 | ErrNum = nErr
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| 81 | End Property
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| 82 |
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| 83 | Public Property Let MaxSize(nSize)
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| 84 | nMaxSize = nSize
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| 85 | End Property
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| 86 |
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| 87 | Public Property Let Allowed(sExt)
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| 88 | sAllowed = sExt
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| 89 | End Property
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| 90 |
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| 91 | Public Property Let Denied(sExt)
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| 92 | sDenied = sExt
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| 93 | End Property
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| 94 |
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| 95 | Public Sub GetData
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| 96 | Dim aCType
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| 97 | aCType = Split(Request.ServerVariables("HTTP_CONTENT_TYPE"), ";")
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| 98 | If aCType(0) <> "multipart/form-data" Then
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| 99 | nErr = 1
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| 100 | Exit Sub
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| 101 | End If
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| 102 |
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| 103 | Dim nTotalSize
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| 104 | nTotalSize = Request.TotalBytes
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| 105 | If nTotalSize < 1 Then
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| 106 | nErr = 2
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| 107 | Exit Sub
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| 108 | End If
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| 109 | If nMaxSize > 0 And nTotalSize > nMaxSize Then
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| 110 | nErr = 3
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| 111 | Exit Sub
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| 112 | End If
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| 113 |
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| 114 | oSourceData.Write Request.BinaryRead(nTotalSize)
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| 115 | oSourceData.Position = 0
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| 116 |
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| 117 | Dim oTotalData, oFormStream, sFormHeader, sFormName, bCrLf, nBoundLen, nFormStart, nFormEnd, nPosStart, nPosEnd, sBoundary
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| 118 |
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| 119 | oTotalData = oSourceData.Read
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| 120 | bCrLf = ChrB(13) & ChrB(10)
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| 121 | sBoundary = MidB(oTotalData, 1, InStrB(1, oTotalData, bCrLf) - 1)
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| 122 | nBoundLen = LenB(sBoundary) + 2
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| 123 | nFormStart = nBoundLen
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| 124 |
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| 125 | Set oFormStream = Server.CreateObject("ADODB.Stream")
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| 126 |
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| 127 | Do While (nFormStart + 2) < nTotalSize
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| 128 | nFormEnd = InStrB(nFormStart, oTotalData, bCrLf & bCrLf) + 3
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| 129 |
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| 130 | With oFormStream
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| 131 | .Type = 1
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| 132 | .Mode = 3
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| 133 | .Open
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| 134 | oSourceData.Position = nFormStart
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| 135 | oSourceData.CopyTo oFormStream, nFormEnd - nFormStart
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| 136 | .Position = 0
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| 137 | .Type = 2
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| 138 | .CharSet = "UTF-8"
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| 139 | sFormHeader = .ReadText
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| 140 | .Close
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| 141 | End With
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| 142 |
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| 143 | nFormStart = InStrB(nFormEnd, oTotalData, sBoundary) - 1
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| 144 | nPosStart = InStr(22, sFormHeader, " name=", 1) + 7
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| 145 | nPosEnd = InStr(nPosStart, sFormHeader, """")
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| 146 | sFormName = Mid(sFormHeader, nPosStart, nPosEnd - nPosStart)
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| 147 |
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| 148 | If InStr(45, sFormHeader, " filename=", 1) > 0 Then
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| 149 | Set File(sFormName) = New NetRube_FileInfo
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| 150 | File(sFormName).FormName = sFormName
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| 151 | File(sFormName).Start = nFormEnd
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| 152 | File(sFormName).Size = nFormStart - nFormEnd - 2
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| 153 | nPosStart = InStr(nPosEnd, sFormHeader, " filename=", 1) + 11
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| 154 | nPosEnd = InStr(nPosStart, sFormHeader, """")
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| 155 | File(sFormName).ClientPath = Mid(sFormHeader, nPosStart, nPosEnd - nPosStart)
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| 156 | File(sFormName).Name = Mid(File(sFormName).ClientPath, InStrRev(File(sFormName).ClientPath, "\") + 1)
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| 157 | File(sFormName).Ext = LCase(Mid(File(sFormName).Name, InStrRev(File(sFormName).Name, ".") + 1))
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| 158 | nPosStart = InStr(nPosEnd, sFormHeader, "Content-Type: ", 1) + 14
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| 159 | nPosEnd = InStr(nPosStart, sFormHeader, vbCr)
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| 160 | File(sFormName).MIME = Mid(sFormHeader, nPosStart, nPosEnd - nPosStart)
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| 161 | Else
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| 162 | With oFormStream
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| 163 | .Type = 1
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| 164 | .Mode = 3
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| 165 | .Open
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| 166 | oSourceData.Position = nPosEnd
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| 167 | oSourceData.CopyTo oFormStream, nFormStart - nFormEnd - 2
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| 168 | .Position = 0
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| 169 | .Type = 2
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| 170 | .CharSet = "UTF-8"
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| 171 | Form(sFormName) = .ReadText
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| 172 | .Close
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| 173 | End With
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| 174 | End If
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| 175 |
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| 176 | nFormStart = nFormStart + nBoundLen
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| 177 | Loop
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| 178 |
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| 179 | oTotalData = ""
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| 180 | Set oFormStream = Nothing
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| 181 | End Sub
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| 182 |
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| 183 | Public Sub SaveAs(sItem, sFileName)
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| 184 | If File(sItem).Size < 1 Then
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| 185 | nErr = 2
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| 186 | Exit Sub
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| 187 | End If
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| 188 |
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| 189 | If Not IsAllowed(File(sItem).Ext) Then
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| 190 | nErr = 4
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| 191 | Exit Sub
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| 192 | End If
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| 193 |
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| 194 | Dim oFileStream
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| 195 | Set oFileStream = Server.CreateObject("ADODB.Stream")
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| 196 | With oFileStream
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| 197 | .Type = 1
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| 198 | .Mode = 3
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| 199 | .Open
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| 200 | oSourceData.Position = File(sItem).Start
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| 201 | oSourceData.CopyTo oFileStream, File(sItem).Size
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| 202 | .Position = 0
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| 203 | .SaveToFile sFileName, 2
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| 204 | .Close
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| 205 | End With
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| 206 | Set oFileStream = Nothing
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| 207 | End Sub
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| 208 |
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| 209 | Private Function IsAllowed(sExt)
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| 210 | Dim oRE
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| 211 | Set oRE = New RegExp
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| 212 | oRE.IgnoreCase = True
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| 213 | oRE.Global = True
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| 214 |
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| 215 | If sDenied = "" Then
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| 216 | oRE.Pattern = sAllowed
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| 217 | IsAllowed = (sAllowed = "") Or oRE.Test(sExt)
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| 218 | Else
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| 219 | oRE.Pattern = sDenied
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| 220 | IsAllowed = Not oRE.Test(sExt)
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| 221 | End If
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| 222 |
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| 223 | Set oRE = Nothing
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| 224 | End Function
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| 225 | End Class
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| 226 |
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| 227 | Class NetRube_FileInfo
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| 228 | Dim FormName, ClientPath, Path, Name, Ext, Content, Size, MIME, Start
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| 229 | End Class
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| 230 | %> |
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