vbscript sinatize string
For Each s in Request.Form
If ( CheckStringForSQL(Request.Form(s),"form") ) Then
PrepareReport("Post Varibale")
' Redirect to an error page
Response.Redirect(ErrorPage)
End If
Nextvbscript sinatize string
For Each s in Request.Form
If ( CheckStringForSQL(Request.Form(s),"form") ) Then
PrepareReport("Post Varibale")
' Redirect to an error page
Response.Redirect(ErrorPage)
End If
Nextvbscript sinatize string
Dim BlackList, ErrorPage
BlackList = Array("=","#","$","%","^","&","*","|",";",_
"<",">","'","""","(",")",_
"--", "/*", "*/", "@@",_
"cursor","exec","execute",_
"nchar", "varchar", "nvarchar", "iframe"_
)
'Note: We can include following keyword to make a stronger scan but it will also
'protect users to input these words even those are valid input
' "!", "char", "alter", "begin", "cast", "create",
'Populate the error page you want to redirect to in case the check fails.
ErrorPage = "../displaymessage.asp?msg=" &
Server.URLEncode("Invalid Character Entered")
Function CheckStringForSQL(str,varType)
On Error Resume Next
Dim lstr
' If the string is empty, return false that means pass
If ( IsEmpty(str) ) Then
CheckStringForSQL = false
Exit Function
ElseIf ( StrComp(str, "") = 0 ) Then
CheckStringForSQL = false
Exit Function
End If
lstr = LCase(str)
' Check if the string contains any patterns in our black list
For Each s in BlackList
If(IsExceptionList(s,varType)=False) then
If ( InStr (lstr, s) <> 0 ) Then
CheckStringForSQL = true
Exit Function
End If
End If
Next
CheckStringForSQL = false
End Function vbscript sinatize string
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' Check Upload forms data
' Description: This function will validate ASP Upload Data
' Note: Because of ASPUpload's limitation this function
' need to be called after its save function from
' the relevant ASP page
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
function IsValidUploadFormData(dataCollection,redirect)
for each item in dataCollection
If ( CheckStringForSQL(item) ) Then
PrepareReport("Upload Form")
'Redirect to an error page
if(redirect) then Response.Redirect(ErrorPage)
IsValidUploadFormData = false
Exit Function
End If
next
IsValidUploadFormData = true
end functionvbscript sinatize string
CookieExceptionList = Array("""","(",")")
Function IsExceptionList(str,varType)
If(varType="cookie") then
For Each item in CookieExceptionList
If(item=str) then
IsExceptionList=True
Exit Function
End If
Next
End If
IsExceptionList=False
End FunctionCopyright © 2021 Codeinu
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