?? incpureupload.asp
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<SCRIPT LANGUAGE="VBSCRIPT" RUNAT="SERVER">
'*** Pure ASP File Upload -----------------------------------------------------
' Copyright 2000 (c) George Petrov, www.UDzone.com
'
' Script partially based on code from Philippe Collignon
' (http://www.asptoday.com/articles/20000316.htm)
'
' New features from GP:
' * Fast file save with ADO 2.5 stream object
' * new wrapper functions, extra error checking
' * UltraDev Server Behavior extension
' Copyright 2001-2002 (c) George Petrov and Modify by xPilot
' *** Date: 12/15/2001 ***
' *** 支持所有雙字節文件名，而且修復了原函數中遇到空格也會自動截斷文件名的錯誤！ ***
' *** 保證百分百以原文件名保存上傳文件！***
' *** Welcome to visite pilothome.yeah.net or mail xpilot@21cn.com to me！***
'
' Version: 2.0.2 Beta for GB2312,BIG5,Japan,Korea ...
'*** Pure ASP File Upload -----------------------------------------------------
Sub BuildUploadRequest(RequestBin,UploadDirectory,storeType,sizeLimit,nameConflict)
'Get the boundary
PosBeg = 1
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
if PosEnd = 0 then
Response.Write "<b>Form was submitted with no ENCTYPE=""multipart/form-data""</b><br>"
Response.Write "Please correct and <A HREF=""javascript:history.back(1)"">try again</a>"
Response.End
end if
'Check ADO Version
set checkADOConn = Server.CreateObject("ADODB.Connection")
adoVersion = CSng(checkADOConn.Version)
set checkADOConn = Nothing
if adoVersion < 2.5 then
Response.Write "<b>You don't have ADO 2.5 installed on the server.</b><br>"
Response.Write "The File Upload extension needs ADO 2.5 or greater to run properly.<br>"
Response.Write "You can download the latest MDAC (ADO is included) from <a href=""www.microsoft.com/data"">www.microsoft.com/data</a><br>"
Response.End
end if
'Check content length if needed
Length = CLng(Request.ServerVariables("HTTP_Content_Length")) 'Get Content-Length header
If "" & sizeLimit <> "" Then
sizeLimit = CLng(sizeLimit)
If Length > sizeLimit Then
Request.BinaryRead (Length)
Response.Write "Upload size " & FormatNumber(Length, 0) & "B exceeds limit of " & FormatNumber(sizeLimit, 0) & "B"
Response.Write "Please correct and <A HREF=""javascript:history.back(1)"">try again</a>"
Response.End
End If
End If
boundary = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
boundaryPos = InstrB(1,RequestBin,boundary)
'Get all data inside the boundaries
Do until (boundaryPos=InstrB(RequestBin,boundary & getByteString("--")))
'Members variable of objects are put in a dictionary object
Dim UploadControl
Set UploadControl = CreateObject("Scripting.Dictionary")
'Get an object name
Pos = InstrB(BoundaryPos,RequestBin,getByteString("Content-Disposition"))
Pos = InstrB(Pos,RequestBin,getByteString("name="))
PosBeg = Pos+6
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
Name = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
PosFile = InstrB(BoundaryPos,RequestBin,getByteString("filename="))
PosBound = InstrB(PosEnd,RequestBin,boundary)
'Test if object is of file type
If PosFile<>0 AND (PosFile<PosBound) Then
'Get Filename, content-type and content of file
PosBeg = PosFile + 10
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
FileName = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
FileName = Mid(FileName,InStrRev(FileName,"\")+1)
'Add filename to dictionary object
UploadControl.Add "FileName", FileName
Pos = InstrB(PosEnd,RequestBin,getByteString("Content-Type:"))
PosBeg = Pos+14
PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
'Add content-type to dictionary object
ContentType = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
UploadControl.Add "ContentType",ContentType
'Get content of object
PosBeg = PosEnd+4
PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
Value = FileName
ValueBeg = PosBeg-1
ValueLen = PosEnd-Posbeg
Else
'Get content of object
Pos = InstrB(Pos,RequestBin,getByteString(chr(13)))
PosBeg = Pos+4
PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
Value = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
ValueBeg = 0
ValueEnd = 0
End If
'Add content to dictionary object
UploadControl.Add "Value" , Value
UploadControl.Add "ValueBeg" , ValueBeg
UploadControl.Add "ValueLen" , ValueLen
'Add dictionary object to main dictionary
UploadRequest.Add name, UploadControl
'Loop to next object
BoundaryPos=InstrB(BoundaryPos+LenB(boundary),RequestBin,boundary)
Loop
GP_keys = UploadRequest.Keys
for GP_i = 0 to UploadRequest.Count - 1
GP_curKey = GP_keys(GP_i)
'Save all uploaded files
if UploadRequest.Item(GP_curKey).Item("FileName") <> "" then
GP_value = UploadRequest.Item(GP_curKey).Item("Value")
GP_valueBeg = UploadRequest.Item(GP_curKey).Item("ValueBeg")
GP_valueLen = UploadRequest.Item(GP_curKey).Item("ValueLen")
if GP_valueLen = 0 then
Response.Write "<B>An error has occured saving uploaded file!</B><br><br>"
Response.Write "Filename: " & Trim(GP_curPath) & UploadRequest.Item(GP_curKey).Item("FileName") & "<br>"
Response.Write "File does not exists or is empty.<br>"
Response.Write "Please correct and <A HREF=""javascript:history.back(1)"">try again</a>"
response.End
end if
'Create a Stream instance
Dim GP_strm1, GP_strm2
Set GP_strm1 = Server.CreateObject("ADODB.Stream")
Set GP_strm2 = Server.CreateObject("ADODB.Stream")
'Open the stream
GP_strm1.Open
GP_strm1.Type = 1 'Binary
GP_strm2.Open
GP_strm2.Type = 1 'Binary
GP_strm1.Write RequestBin
GP_strm1.Position = GP_ValueBeg
GP_strm1.CopyTo GP_strm2,GP_ValueLen
'Create and Write to a File
GP_curPath = Request.ServerVariables("PATH_INFO")
GP_curPath = Trim(Mid(GP_curPath,1,InStrRev(GP_curPath,"/")) & UploadDirectory)
if Mid(GP_curPath,Len(GP_curPath),1) <> "/" then
GP_curPath = GP_curPath & "/"
end if
GP_CurFileName = UploadRequest.Item(GP_curKey).Item("FileName")
GP_FullPath = Trim(Server.mappath(GP_curPath))
GP_FullFileName = GP_FullPath & "\" & GP_CurFileName
Set fso = CreateObject("Scripting.FileSystemObject")
'Check if the folder exist
If NOT fso.FolderExists(GP_FullPath) Then
GP_BegFolder = InStr(GP_FullPath,"\")
while GP_begFolder > 0
GP_RelFolder = Mid(GP_FullPath,1,GP_BegFolder-1)
If NOT fso.FolderExists(GP_RelFolder) Then
fso.CreateFolder(GP_RelFolder)
end if
GP_BegFolder = InStr(GP_BegFolder+1,GP_FullPath,"\")
wend
If NOT fso.FolderExists(GP_FullPath) Then
fso.CreateFolder(GP_FullPath)
end if
end if
'Check if the file already exist
GP_FileExist = false
If fso.FileExists(GP_FullFileName) Then
GP_FileExist = true
End If
if nameConflict = "error" and GP_FileExist then
Response.Write "<B>File already exists!</B><br><br>"
Response.Write "Please correct and <A HREF=""javascript:history.back(1)"">try again</a>"
GP_strm1.Close
GP_strm2.Close
response.End
end if
if ((nameConflict = "over" or nameConflict = "uniq") and GP_FileExist) or (NOT GP_FileExist) then
if nameConflict = "uniq" and GP_FileExist then
Begin_Name_Num = 0
while GP_FileExist
Begin_Name_Num = Begin_Name_Num + 1
GP_FullFileName = Trim(Server.mappath(GP_curPath))& "\" & fso.GetBaseName(GP_CurFileName) & "_" & Begin_Name_Num & "." & fso.GetExtensionName(GP_CurFileName)
GP_FileExist = fso.FileExists(GP_FullFileName)
wend
UploadRequest.Item(GP_curKey).Item("FileName") = fso.GetBaseName(GP_CurFileName) & "_" & Begin_Name_Num & "." & fso.GetExtensionName(GP_CurFileName)
UploadRequest.Item(GP_curKey).Item("Value") = UploadRequest.Item(GP_curKey).Item("FileName")
end if
on error resume next
GP_strm2.SaveToFile GP_FullFileName,2
if err then
Response.Write "<B>An error has occured saving uploaded file!</B><br><br>"
Response.Write "Filename: " & Trim(GP_curPath) & UploadRequest.Item(GP_curKey).Item("FileName") & "<br>"
Response.Write "Maybe the destination directory does not exist, or you don't have write permission.<br>"
Response.Write "Please correct and <A HREF=""javascript:history.back(1)"">try again</a>"
err.clear
GP_strm1.Close
GP_strm2.Close
response.End
end if
GP_strm1.Close
GP_strm2.Close
if storeType = "path" then
UploadRequest.Item(GP_curKey).Item("Value") = GP_curPath & UploadRequest.Item(GP_curKey).Item("Value")
end if
on error goto 0
end if
end if
next
End Sub
'把普通字符串轉成二進制字符串函數
Function getByteString(StringStr)
getByteString=""
For i = 1 To Len(StringStr)
XP_varchar = mid(StringStr,i,1)
XP_varasc = Asc(XP_varchar)
If XP_varasc < 0 Then
XP_varasc = XP_varasc + 65535
End If
If XP_varasc > 255 Then
XP_varlow = Left(Hex(Asc(XP_varchar)),2)
XP_varhigh = right(Hex(Asc(XP_varchar)),2)
getByteString = getByteString & chrB("&H" & XP_varlow) & chrB("&H" & XP_varhigh)
Else
getByteString = getByteString & chrB(AscB(XP_varchar))
End If
Next
End Function
'把二進制字符串轉換成普通字符串函數
Function getString(StringBin)
getString =""
Dim XP_varlen,XP_vargetstr,XP_string,XP_skip
XP_skip = 0
XP_string = ""
If Not IsNull(StringBin) Then
XP_varlen = LenB(StringBin)
For i = 1 To XP_varlen
If XP_skip = 0 Then
XP_vargetstr = MidB(StringBin,i,1)
If AscB(XP_vargetstr) > 127 Then
XP_string = XP_string & Chr(AscW(MidB(StringBin,i+1,1) & XP_vargetstr))
XP_skip = 1
Else
XP_string = XP_string & Chr(AscB(XP_vargetstr))
End If
Else
XP_skip = 0
End If
Next
End If
getString = XP_string
End Function
Function UploadFormRequest(name)
on error resume next
if UploadRequest.Item(name) then
UploadFormRequest = UploadRequest.Item(name).Item("Value")
end if
End Function
Sub PureUploadSetup()
UploadQueryString = Replace(Request.QueryString,"GP_upload=true","")
if mid(UploadQueryString,1,1) = "&" then
UploadQueryString = Mid(UploadQueryString,2)
end if
GP_uploadAction = CStr(Request.ServerVariables("URL")) & "?GP_upload=true"
If (Request.QueryString <> "") Then
if UploadQueryString <> "" then
GP_uploadAction = GP_uploadAction & "&" & UploadQueryString
end if
End If
End Sub
</SCRIPT>
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