View file www/admin/htmleditor/editor/filemanager/browser/default/connectors/asp/class_upload.asp

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 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2004 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 * 		http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 * 		http://www.fckeditor.net/
 * 
 * File Name: class_upload.asp
 * 	Is are the classes used to handle ASP upload without using third
 * 	part components (OCX/DLL).
 * 
 * Version:  2.0 RC2
 * Modified: 2004-11-29 02:19:23
 * 
 * File Authors:
 * 		Frederico Caldeira Knabben ([email protected])
-->
<%
'***************************************
' File:	  Upload.asp
' Author: Jacob "Beezle" Gilley
' Email:  [email protected]
' Date:   12/07/2000
' Comments: The code for the Upload, CByteString, 
'			CWideString	subroutines was originally 
'			written by Philippe Collignon...or so 
'			he claims. Also, I am not responsible
'			for any ill effects this script may
'			cause and provide this script "AS IS".
'			Enjoy!
'****************************************

Class FileUploader
	Public  Files
	Private mcolFormElem

	Private Sub Class_Initialize()
		Set Files = Server.CreateObject("Scripting.Dictionary")
		Set mcolFormElem = Server.CreateObject("Scripting.Dictionary")
	End Sub
	
	Private Sub Class_Terminate()
		If IsObject(Files) Then
			Files.RemoveAll()
			Set Files = Nothing
		End If
		If IsObject(mcolFormElem) Then
			mcolFormElem.RemoveAll()
			Set mcolFormElem = Nothing
		End If
	End Sub

	Public Property Get Form(sIndex)
		Form = ""
		If mcolFormElem.Exists(LCase(sIndex)) Then Form = mcolFormElem.Item(LCase(sIndex))
	End Property

	Public Default Sub Upload()
		Dim biData, sInputName
		Dim nPosBegin, nPosEnd, nPos, vDataBounds, nDataBoundPos
		Dim nPosFile, nPosBound

		biData = Request.BinaryRead(Request.TotalBytes)
		nPosBegin = 1
		nPosEnd = InstrB(nPosBegin, biData, CByteString(Chr(13)))
		
		If (nPosEnd-nPosBegin) <= 0 Then Exit Sub
		 
		vDataBounds = MidB(biData, nPosBegin, nPosEnd-nPosBegin)
		nDataBoundPos = InstrB(1, biData, vDataBounds)
		
		Do Until nDataBoundPos = InstrB(biData, vDataBounds & CByteString("--"))
			
			nPos = InstrB(nDataBoundPos, biData, CByteString("Content-Disposition"))
			nPos = InstrB(nPos, biData, CByteString("name="))
			nPosBegin = nPos + 6
			nPosEnd = InstrB(nPosBegin, biData, CByteString(Chr(34)))
			sInputName = CWideString(MidB(biData, nPosBegin, nPosEnd-nPosBegin))
			nPosFile = InstrB(nDataBoundPos, biData, CByteString("filename="))
			nPosBound = InstrB(nPosEnd, biData, vDataBounds)
			
			If nPosFile <> 0 And  nPosFile < nPosBound Then
				Dim oUploadFile, sFileName
				Set oUploadFile = New UploadedFile
				
				nPosBegin = nPosFile + 10
				nPosEnd =  InstrB(nPosBegin, biData, CByteString(Chr(34)))
				sFileName = CWideString(MidB(biData, nPosBegin, nPosEnd-nPosBegin))
				oUploadFile.FileName = Right(sFileName, Len(sFileName)-InStrRev(sFileName, "\"))

				nPos = InstrB(nPosEnd, biData, CByteString("Content-Type:"))
				nPosBegin = nPos + 14
				nPosEnd = InstrB(nPosBegin, biData, CByteString(Chr(13)))
				
				oUploadFile.ContentType = CWideString(MidB(biData, nPosBegin, nPosEnd-nPosBegin))
				
				nPosBegin = nPosEnd+4
				nPosEnd = InstrB(nPosBegin, biData, vDataBounds) - 2
				oUploadFile.FileData = MidB(biData, nPosBegin, nPosEnd-nPosBegin)
				
				If oUploadFile.FileSize > 0 Then Files.Add LCase(sInputName), oUploadFile
			Else
				nPos = InstrB(nPos, biData, CByteString(Chr(13)))
				nPosBegin = nPos + 4
				nPosEnd = InstrB(nPosBegin, biData, vDataBounds) - 2
				If Not mcolFormElem.Exists(LCase(sInputName)) Then mcolFormElem.Add LCase(sInputName), CWideString(MidB(biData, nPosBegin, nPosEnd-nPosBegin))
			End If

			nDataBoundPos = InstrB(nDataBoundPos + LenB(vDataBounds), biData, vDataBounds)
		Loop
	End Sub

	'String to byte string conversion
	Private Function CByteString(sString)
		Dim nIndex
		For nIndex = 1 to Len(sString)
		   CByteString = CByteString & ChrB(AscB(Mid(sString,nIndex,1)))
		Next
	End Function

	'Byte string to string conversion
	Private Function CWideString(bsString)
		Dim nIndex
		CWideString =""
		For nIndex = 1 to LenB(bsString)
		   CWideString = CWideString & Chr(AscB(MidB(bsString,nIndex,1))) 
		Next
	End Function
End Class

Class UploadedFile
	Public ContentType
	Public FileName
	Public FileData
	
	Public Property Get FileSize()
		FileSize = LenB(FileData)
	End Property

	Public Sub SaveToDisk(sFilePath)
		Dim oFS, oFile
		Dim nIndex
	
		Set oFS		= Server.CreateObject("Scripting.FileSystemObject")
		Set oFile	= oFS.CreateTextFile(sFilePath, True)
		
		For nIndex = 1 to LenB(FileData)
		    oFile.Write Chr(AscB(MidB(FileData,nIndex,1)))
		Next

		oFile.Close
	End Sub
	
	Public Sub SaveToDatabase(ByRef oField)
		If LenB(FileData) = 0 Then Exit Sub
		
		If IsObject(oField) Then
			oField.AppendChunk FileData
		End If
	End Sub

End Class
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