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| '******************* upload - begin
'Upload file using input type=file
Sub UploadFichier(DestURL, FileName, FieldName)
'Boundary of fields.
'Be sure this string is Not In the source file
Const Boundary = "---------------------------0123456789012"
Dim FileContents, FormData
'Get source file As a binary data.
FileContents = GetFile(FileName)
'Build multipart/form-data document
FormData = BuildFormData(FileContents, Boundary, FileName, FieldName)
'Post the data To the destination URL
WinHTTPPostRequest DestURL, FormData, Boundary
End Sub
'Build multipart/form-data document with file contents And header info
Function BuildFormData(FileContents, Boundary, FileName, FieldName)
Dim FormData, Pre, Po
Const ContentType = "application/upload"
'The two parts around file contents In the multipart-form data.
Pre = "--" + Boundary + vbCrLf + mpFields(FieldName, FileName, ContentType)
Po = vbCrLf + "--" + Boundary + "--" + vbCrLf
'Build form data using recordset binary field
Const adLongVarBinary = 205
Dim RS: Set RS = CreateObject("ADODB.Recordset")
RS.Fields.Append "b", adLongVarBinary, Len(Pre) + LenB(FileContents) + Len(Po)
RS.Open
RS.AddNew
Dim LenData
'Convert Pre string value To a binary data
LenData = Len(Pre)
RS("b").AppendChunk (StringToMB(Pre) & ChrB(0))
Pre = RS("b").GetChunk(LenData)
RS("b") = ""
'Convert Po string value To a binary data
LenData = Len(Po)
RS("b").AppendChunk (StringToMB(Po) & ChrB(0))
Po = RS("b").GetChunk(LenData)
RS("b") = ""
'Join Pre + FileContents + Po binary data
RS("b").AppendChunk (Pre)
RS("b").AppendChunk (FileContents)
RS("b").AppendChunk (Po)
RS.Update
FormData = RS("b")
RS.Close
BuildFormData = FormData
End Function
'sends multipart/form-data To the URL using WinHttprequest/XMLHTTP
'FormData - binary (VT_UI1 | VT_ARRAY) multipart form data
Function WinHTTPPostRequest(URL, FormData, Boundary)
Dim http 'As New MSXML2.XMLHTTP
'Create XMLHTTP/ServerXMLHTTP/WinHttprequest object
Set http = CreateObject("Microsoft.XMLHTTP")
'Open URL As POST request
http.Open "POST", URL, False
'Set Content-Type header
http.setRequestHeader "Content-Type", "multipart/form-data; boundary=" + Boundary
'Send the form data To URL As POST binary request
http.send FormData
'Get a result of the script which has received upload
WinHTTPPostRequest = http.responseText
End Function
'Infrormations In form field header.
Function mpFields(FieldName, FileName, ContentType)
Dim MPTemplate 'template For multipart header
MPTemplate = "Content-Disposition: form-data; name=""{field}"";" + _
" filename=""{file}""" + vbCrLf + _
"Content-Type: {ct}" + vbCrLf + vbCrLf
Dim Out
Out = Replace(MPTemplate, "{field}", FieldName)
Out = Replace(Out, "{file}", FileName)
mpFields = Replace(Out, "{ct}", ContentType)
End Function
Sub Wait(Seconds, Message)
On Error Resume Next
CreateObject("wscript.shell").Popup Message, Seconds, "", 64
End Sub
'Returns file contents As a binary data
Function GetFile(FileName)
Dim Stream: Set Stream = CreateObject("ADODB.Stream")
Stream.Type = 1 'Binary
Stream.Open
Stream.LoadFromFile FileName
GetFile = Stream.Read
Stream.Close
End Function
'Converts OLE string To multibyte string
Function StringToMB(S)
Dim I, B
For I = 1 To Len(S)
B = B & ChrB(Asc(Mid(S, I, 1)))
Next
StringToMB = B
End Function
'******************* upload - end
'******************* Support
'Basic script info
Sub InfoEcho()
Dim Msg
Msg = Msg + "Upload file using http And multipart/form-data" & vbCrLf
Msg = Msg + "Copyright (C) 2001 Antonin Foller, PSTRUH Software" & vbCrLf
Msg = Msg + "use" & vbCrLf
Msg = Msg + "[cscript|wscript] fupload.vbs file url [fieldname]" & vbCrLf
Msg = Msg + " file ... Local file To upload" & vbCrLf
Msg = Msg + " url ... URL which can accept uploaded data" & vbCrLf
Msg = Msg + " fieldname ... Name of the source form field." & vbCrLf
Msg = Msg + vbCrLf + CheckRequirements
WScript.Echo Msg
WScript.Quit
End Sub
'Checks If all of required objects are installed
Function CheckRequirements()
Dim Msg
Msg = "This script requires some objects installed To run properly." & vbCrLf
Msg = Msg & CheckOneObject("ADODB.Recordset")
Msg = Msg & CheckOneObject("ADODB.Stream")
Msg = Msg & CheckOneObject("InternetExplorer.Application")
CheckRequirements = Msg
' MsgBox Msg
End Function
'Checks If the one object is installed.
Function CheckOneObject(oClass)
Dim Msg
On Error Resume Next
CreateObject oClass
If Err = 0 Then Msg = "OK" Else Msg = "Error:" & Err.Description
CheckOneObject = oClass & " - " & Msg & vbCrLf
End Function
'******************* Support - end |
