Help me to find where bug is as it sometimes work and sometimes wont
\[code\]Class ASPUpload Public UploadedFiles Public FormElements Private VarArrayBinRequest Private StreamRequest Private uploadedYet Private Sub Class_Initialize() Set UploadedFiles = Server.CreateObject("Scripting.Dictionary") Set FormElements = Server.CreateObject("Scripting.Dictionary") Set StreamRequest = Server.CreateObject("ADODB.Stream") StreamRequest.Type = 1 'adTypeBinary StreamRequest.Open uploadedYet = false End Sub Private Sub Class_Terminate() If IsObject(UploadedFiles) Then UploadedFiles.RemoveAll() Set UploadedFiles = Nothing End If If IsObject(FormElements) Then FormElements.RemoveAll() Set FormElements = Nothing End If StreamRequest.Close Set StreamRequest = Nothing End Sub Public Property Get Form(sIndex) Form = "" if not uploadedYet then Upload If FormElements.Exists(LCase(sIndex)) Then Form = FormElements.Item(LCase(sIndex)) End Property Public Property Get Files() Files = UploadedFiles.Items End Property 'Calls Upload to extract the data from the binary request and then saves the uploaded files Public Sub Save(path) Dim streamFile, fileItem if Right(path, 1) <> "\" then path = path & "\" if not uploadedYet then Upload For Each fileItem In UploadedFiles.Items Set streamFile = Server.CreateObject("ADODB.Stream") streamFile.Type = 1 streamFile.Open StreamRequest.Position=fileItem.Start StreamRequest.CopyTo streamFile, fileItem.Length streamFile.SaveToFile path & fileItem.FileName, 2 streamFile.close Set streamFile = Nothing fileItem.Path = path & fileItem.FileName Next End Sub Public Function SaveBinRequest(path) ' For debugging purposes StreamRequest.SaveToFile path & "\debugStream.bin", 2 End Function Public Sub DumpData() 'only works if files are plain text Dim i, aKeys, f response.write "Form Items:<br>" aKeys = FormElements.Keys For i = 0 To FormElements.Count -1 ' Iterate the array response.write aKeys(i) & " = " & FormElements.Item(aKeys(i)) & "<BR>" Next response.write "Uploaded Files:<br>" For Each f In UploadedFiles.Items response.write "Name: " & f.FileName & "<br>" response.write "Type: " & f.ContentType & "<br>" response.write "Start: " & f.Start & "<br>" response.write "Size: " & f.Length & "<br>" Next End Sub Private Sub Upload() Dim nCurPos, nDataBoundPos, nLastSepPos Dim nPosFile, nPosBound Dim sFieldName, osPathSep, auxStr 'RFC1867 Tokens Dim vDataSep Dim tNewLine, tDoubleQuotes, tTerm, tFilename, tName, tContentDisp, tContentType tNewLine = Byte2String(Chr(13)) tDoubleQuotes = Byte2String(Chr(34)) tTerm = Byte2String("--") tFilename = Byte2String("filename=""") tName = Byte2String("name=""") tContentDisp = Byte2String("Content-Disposition") tContentType = Byte2String("Content-Type:") uploadedYet = true on error resume next VarArrayBinRequest = Request.BinaryRead(Request.TotalBytes) if Err.Number <> 0 then response.redirect("") end if on error goto 0 'reset error handling nCurPos = FindToken(tNewLine,1) 'Note: nCurPos is 1-based (and so is InstrB, MidB, etc) If nCurPos <= 1 Then Exit Sub 'vDataSep is a separator like -----------------------------21763138716045 vDataSep = MidB(VarArrayBinRequest, 1, nCurPos-1) 'Start of current separator nDataBoundPos = 1 'Beginning of last line nLastSepPos = FindToken(vDataSep & tTerm, 1) Do Until nDataBoundPos = nLastSepPos nCurPos = SkipToken(tContentDisp, nDataBoundPos) nCurPos = SkipToken(tName, nCurPos) sFieldName = ExtractField(tDoubleQuotes, nCurPos) nPosFile = FindToken(tFilename, nCurPos) nPosBound = FindToken(vDataSep, nCurPos) If nPosFile <> 0 And nPosFile < nPosBound Then Dim oUploadFile Set oUploadFile = New UploadedFile nCurPos = SkipToken(tFilename, nCurPos) auxStr = ExtractField(tDoubleQuotes, nCurPos) ' We are interested only in the name of the file, not the whole path ' Path separator is \ in windows, / in UNIX ' While IE seems to put the whole pathname in the stream, Mozilla seem to ' only put the actual file name, so UNIX paths may be rare. But not impossible. osPathSep = "\" if InStr(auxStr, osPathSep) = 0 then osPathSep = "/" oUploadFile.FileName = Right(auxStr, Len(auxStr)-InStrRev(auxStr, osPathSep)) if (Len(oUploadFile.FileName) > 0) then 'File field not left empty nCurPos = SkipToken(tContentType, nCurPos) auxStr = ExtractField(tNewLine, nCurPos) ' NN on UNIX puts things like this in the streaa: ' ?? python py type=?? python application/x-python oUploadFile.ContentType = Right(auxStr, Len(auxStr)-InStrRev(auxStr, " ")) nCurPos = FindToken(tNewLine, nCurPos) + 4 'skip empty line oUploadFile.Start = nCurPos-1 oUploadFile.Length = FindToken(vDataSep, nCurPos) - 2 - nCurPos If oUploadFile.Length > 0 Then UploadedFiles.Add LCase(sFieldName), oUploadFile End If Else Dim nEndOfData nCurPos = FindToken(tNewLine, nCurPos) + 4 'skip empty line nEndOfData = http://stackoverflow.com/questions/14028446/FindToken(vDataSep, nCurPos) - 2 If Not FormElements.Exists(LCase(sFieldName)) Then FormElements.Add LCase(sFieldName), String2Byte(MidB(VarArrayBinRequest, nCurPos, nEndOfData-nCurPos)) else FormElements.Item(LCase(sFieldName))= FormElements.Item(LCase(sFieldName)) &", " & String2Byte(MidB(VarArrayBinRequest, nCurPos, nEndOfData-nCurPos)) end if End If 'Advance to next separator nDataBoundPos = FindToken(vDataSep, nCurPos) Loop StreamRequest.Write(VarArrayBinRequest) End Sub Private Function SkipToken(sToken, nStart) SkipToken = InstrB(nStart, VarArrayBinRequest, sToken) If SkipToken = 0 then Response.write "Error in parsing uploaded binary request." Response.End end if SkipToken = SkipToken + LenB(sToken) End Function Private Function FindToken(sToken, nStart) FindToken = InstrB(nStart, VarArrayBinRequest, sToken) End Function Private Function ExtractField(sToken, nStart) Dim nEnd nEnd = InstrB(nStart, VarArrayBinRequest, sToken) If nEnd = 0 then Response.write "Error in parsing uploaded binary request." Response.End end if ExtractField = String2Byte(MidB(VarArrayBinRequest, nStart, nEnd-nStart)) End Function 'String to byte string conversion Private Function Byte2String(sString) Dim i For i = 1 to Len(sString) Byte2String = Byte2String & ChrB(AscB(Mid(sString,i,1))) Next End Function 'Byte string to string conversion Private Function String2Byte(bsString) Dim i String2Byte ="" For i = 1 to LenB(bsString) String2Byte = String2Byte & Chr(AscB(MidB(bsString,i,1))) Next End FunctionEnd ClassClass UploadedFile Public ContentType Public Start Public Length Public Path Private nameOfFile ' Need to remove characters that are valid in UNIX, but not in Windows Public Property Let FileName(fN) nameOfFile = fN nameOfFile = SubstNoReg(nameOfFile, "\", "_") nameOfFile = SubstNoReg(nameOfFile, "/", "_") nameOfFile = SubstNoReg(nameOfFile, ":", "_") nameOfFile = SubstNoReg(nameOfFile, "*", "_") nameOfFile = SubstNoReg(nameOfFile, "?", "_") nameOfFile = SubstNoReg(nameOfFile, """", "_") nameOfFile = SubstNoReg(nameOfFile, "<", "_") nameOfFile = SubstNoReg(nameOfFile, ">", "_") nameOfFile = SubstNoReg(nameOfFile, "|", "_") End Property Public Property Get FileName() FileName = nameOfFile End Property 'Public Property Get FileN()ameEnd Class' Does not depend on RegEx, which is not available on older VBScript' Is not recursive, which means it will not run out of stack spaceFunction SubstNoReg(initialStr, oldStr, newStr) Dim currentPos, oldStrPos, skip If IsNull(initialStr) Or Len(initialStr) = 0 Then SubstNoReg = "" ElseIf IsNull(oldStr) Or Len(oldStr) = 0 Then SubstNoReg = initialStr Else If IsNull(newStr) Then newStr = "" currentPos = 1 oldStrPos = 0 SubstNoReg = "" skip = Len(oldStr) Do While currentPos <= Len(initialStr) oldStrPos = InStr(currentPos, initialStr, oldStr) If oldStrPos = 0 Then SubstNoReg = SubstNoReg & Mid(initialStr, currentPos, Len(initialStr) - currentPos + 1) currentPos = Len(initialStr) + 1 Else SubstNoReg = SubstNoReg & Mid(initialStr, currentPos, oldStrPos - currentPos) & newStr currentPos = oldStrPos + skip End If Loop End IfEnd Function\[/code\]
\[code\]Class ASPUpload Public UploadedFiles Public FormElements Private VarArrayBinRequest Private StreamRequest Private uploadedYet Private Sub Class_Initialize() Set UploadedFiles = Server.CreateObject("Scripting.Dictionary") Set FormElements = Server.CreateObject("Scripting.Dictionary") Set StreamRequest = Server.CreateObject("ADODB.Stream") StreamRequest.Type = 1 'adTypeBinary StreamRequest.Open uploadedYet = false End Sub Private Sub Class_Terminate() If IsObject(UploadedFiles) Then UploadedFiles.RemoveAll() Set UploadedFiles = Nothing End If If IsObject(FormElements) Then FormElements.RemoveAll() Set FormElements = Nothing End If StreamRequest.Close Set StreamRequest = Nothing End Sub Public Property Get Form(sIndex) Form = "" if not uploadedYet then Upload If FormElements.Exists(LCase(sIndex)) Then Form = FormElements.Item(LCase(sIndex)) End Property Public Property Get Files() Files = UploadedFiles.Items End Property 'Calls Upload to extract the data from the binary request and then saves the uploaded files Public Sub Save(path) Dim streamFile, fileItem if Right(path, 1) <> "\" then path = path & "\" if not uploadedYet then Upload For Each fileItem In UploadedFiles.Items Set streamFile = Server.CreateObject("ADODB.Stream") streamFile.Type = 1 streamFile.Open StreamRequest.Position=fileItem.Start StreamRequest.CopyTo streamFile, fileItem.Length streamFile.SaveToFile path & fileItem.FileName, 2 streamFile.close Set streamFile = Nothing fileItem.Path = path & fileItem.FileName Next End Sub Public Function SaveBinRequest(path) ' For debugging purposes StreamRequest.SaveToFile path & "\debugStream.bin", 2 End Function Public Sub DumpData() 'only works if files are plain text Dim i, aKeys, f response.write "Form Items:<br>" aKeys = FormElements.Keys For i = 0 To FormElements.Count -1 ' Iterate the array response.write aKeys(i) & " = " & FormElements.Item(aKeys(i)) & "<BR>" Next response.write "Uploaded Files:<br>" For Each f In UploadedFiles.Items response.write "Name: " & f.FileName & "<br>" response.write "Type: " & f.ContentType & "<br>" response.write "Start: " & f.Start & "<br>" response.write "Size: " & f.Length & "<br>" Next End Sub Private Sub Upload() Dim nCurPos, nDataBoundPos, nLastSepPos Dim nPosFile, nPosBound Dim sFieldName, osPathSep, auxStr 'RFC1867 Tokens Dim vDataSep Dim tNewLine, tDoubleQuotes, tTerm, tFilename, tName, tContentDisp, tContentType tNewLine = Byte2String(Chr(13)) tDoubleQuotes = Byte2String(Chr(34)) tTerm = Byte2String("--") tFilename = Byte2String("filename=""") tName = Byte2String("name=""") tContentDisp = Byte2String("Content-Disposition") tContentType = Byte2String("Content-Type:") uploadedYet = true on error resume next VarArrayBinRequest = Request.BinaryRead(Request.TotalBytes) if Err.Number <> 0 then response.redirect("") end if on error goto 0 'reset error handling nCurPos = FindToken(tNewLine,1) 'Note: nCurPos is 1-based (and so is InstrB, MidB, etc) If nCurPos <= 1 Then Exit Sub 'vDataSep is a separator like -----------------------------21763138716045 vDataSep = MidB(VarArrayBinRequest, 1, nCurPos-1) 'Start of current separator nDataBoundPos = 1 'Beginning of last line nLastSepPos = FindToken(vDataSep & tTerm, 1) Do Until nDataBoundPos = nLastSepPos nCurPos = SkipToken(tContentDisp, nDataBoundPos) nCurPos = SkipToken(tName, nCurPos) sFieldName = ExtractField(tDoubleQuotes, nCurPos) nPosFile = FindToken(tFilename, nCurPos) nPosBound = FindToken(vDataSep, nCurPos) If nPosFile <> 0 And nPosFile < nPosBound Then Dim oUploadFile Set oUploadFile = New UploadedFile nCurPos = SkipToken(tFilename, nCurPos) auxStr = ExtractField(tDoubleQuotes, nCurPos) ' We are interested only in the name of the file, not the whole path ' Path separator is \ in windows, / in UNIX ' While IE seems to put the whole pathname in the stream, Mozilla seem to ' only put the actual file name, so UNIX paths may be rare. But not impossible. osPathSep = "\" if InStr(auxStr, osPathSep) = 0 then osPathSep = "/" oUploadFile.FileName = Right(auxStr, Len(auxStr)-InStrRev(auxStr, osPathSep)) if (Len(oUploadFile.FileName) > 0) then 'File field not left empty nCurPos = SkipToken(tContentType, nCurPos) auxStr = ExtractField(tNewLine, nCurPos) ' NN on UNIX puts things like this in the streaa: ' ?? python py type=?? python application/x-python oUploadFile.ContentType = Right(auxStr, Len(auxStr)-InStrRev(auxStr, " ")) nCurPos = FindToken(tNewLine, nCurPos) + 4 'skip empty line oUploadFile.Start = nCurPos-1 oUploadFile.Length = FindToken(vDataSep, nCurPos) - 2 - nCurPos If oUploadFile.Length > 0 Then UploadedFiles.Add LCase(sFieldName), oUploadFile End If Else Dim nEndOfData nCurPos = FindToken(tNewLine, nCurPos) + 4 'skip empty line nEndOfData = http://stackoverflow.com/questions/14028446/FindToken(vDataSep, nCurPos) - 2 If Not FormElements.Exists(LCase(sFieldName)) Then FormElements.Add LCase(sFieldName), String2Byte(MidB(VarArrayBinRequest, nCurPos, nEndOfData-nCurPos)) else FormElements.Item(LCase(sFieldName))= FormElements.Item(LCase(sFieldName)) &", " & String2Byte(MidB(VarArrayBinRequest, nCurPos, nEndOfData-nCurPos)) end if End If 'Advance to next separator nDataBoundPos = FindToken(vDataSep, nCurPos) Loop StreamRequest.Write(VarArrayBinRequest) End Sub Private Function SkipToken(sToken, nStart) SkipToken = InstrB(nStart, VarArrayBinRequest, sToken) If SkipToken = 0 then Response.write "Error in parsing uploaded binary request." Response.End end if SkipToken = SkipToken + LenB(sToken) End Function Private Function FindToken(sToken, nStart) FindToken = InstrB(nStart, VarArrayBinRequest, sToken) End Function Private Function ExtractField(sToken, nStart) Dim nEnd nEnd = InstrB(nStart, VarArrayBinRequest, sToken) If nEnd = 0 then Response.write "Error in parsing uploaded binary request." Response.End end if ExtractField = String2Byte(MidB(VarArrayBinRequest, nStart, nEnd-nStart)) End Function 'String to byte string conversion Private Function Byte2String(sString) Dim i For i = 1 to Len(sString) Byte2String = Byte2String & ChrB(AscB(Mid(sString,i,1))) Next End Function 'Byte string to string conversion Private Function String2Byte(bsString) Dim i String2Byte ="" For i = 1 to LenB(bsString) String2Byte = String2Byte & Chr(AscB(MidB(bsString,i,1))) Next End FunctionEnd ClassClass UploadedFile Public ContentType Public Start Public Length Public Path Private nameOfFile ' Need to remove characters that are valid in UNIX, but not in Windows Public Property Let FileName(fN) nameOfFile = fN nameOfFile = SubstNoReg(nameOfFile, "\", "_") nameOfFile = SubstNoReg(nameOfFile, "/", "_") nameOfFile = SubstNoReg(nameOfFile, ":", "_") nameOfFile = SubstNoReg(nameOfFile, "*", "_") nameOfFile = SubstNoReg(nameOfFile, "?", "_") nameOfFile = SubstNoReg(nameOfFile, """", "_") nameOfFile = SubstNoReg(nameOfFile, "<", "_") nameOfFile = SubstNoReg(nameOfFile, ">", "_") nameOfFile = SubstNoReg(nameOfFile, "|", "_") End Property Public Property Get FileName() FileName = nameOfFile End Property 'Public Property Get FileN()ameEnd Class' Does not depend on RegEx, which is not available on older VBScript' Is not recursive, which means it will not run out of stack spaceFunction SubstNoReg(initialStr, oldStr, newStr) Dim currentPos, oldStrPos, skip If IsNull(initialStr) Or Len(initialStr) = 0 Then SubstNoReg = "" ElseIf IsNull(oldStr) Or Len(oldStr) = 0 Then SubstNoReg = initialStr Else If IsNull(newStr) Then newStr = "" currentPos = 1 oldStrPos = 0 SubstNoReg = "" skip = Len(oldStr) Do While currentPos <= Len(initialStr) oldStrPos = InStr(currentPos, initialStr, oldStr) If oldStrPos = 0 Then SubstNoReg = SubstNoReg & Mid(initialStr, currentPos, Len(initialStr) - currentPos + 1) currentPos = Len(initialStr) + 1 Else SubstNoReg = SubstNoReg & Mid(initialStr, currentPos, oldStrPos - currentPos) & newStr currentPos = oldStrPos + skip End If Loop End IfEnd Function\[/code\]