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'=========================================================
' 本类在ASP环境中使用纯真版QQWry.dat通过完美测试
' 如果您的服务器环境不支持ADodb.Stream，将无法使用此程序
' 推荐使用纯真数据库，更新也方便
' 最新QQWry.dat下载：http://www.cz88.net/fox/
' ========================================================


' ============================================
' 物理定位搜索类
' ============================================
Class TQQWry
    ' ============================================
    ' 变量声名
    ' ============================================
    Dim Country, LocalStr, Buf, OffSet
    Private StartIP, EndIP, CountryFlag
    Public QQWryFile
    Public FirstStartIP, LastStartIP, RecordCount
    Private Stream, EndIPOff
    ' ============================================
    ' 类模块初始化
    ' ============================================
    Private Sub Class_Initialize
        Country         = ""
        LocalStr         = ""
        StartIP         = 0
        EndIP             = 0
        CountryFlag     = 0
        FirstStartIP     = 0
        LastStartIP     = 0
        EndIPOff         = 0
        QQWryFile = Server.MapPath("QQWry.dat") 'QQ IP库路径，要转换成物理路径
    End Sub
    ' ============================================
    ' IP地址转换成整数
    ' ============================================
    Function IPToInt(IP)
        Dim IPArray, i
        IPArray = Split(IP, ".", -1)
        FOr i = 0 to 3
            If Not IsNumeric(IPArray(i)) Then IPArray(i) = 0
            If CInt(IPArray(i)) < 0 Then IPArray(i) = Abs(CInt(IPArray(i)))
            If CInt(IPArray(i)) > 255 Then IPArray(i) = 255
        Next
        IPToInt = (CInt(IPArray(0))*256*256*256) + (CInt(IPArray(1))*256*256) + (CInt(IPArray(2))*256) + CInt(IPArray(3))
    End Function
    ' ============================================
    ' 整数逆转IP地址
    ' ============================================
    Function IntToIP(IntValue)
        p4 = IntValue - Fix(IntValue/256)*256
        IntValue = (IntValue-p4)/256
        p3 = IntValue - Fix(IntValue/256)*256
        IntValue = (IntValue-p3)/256
        p2 = IntValue - Fix(IntValue/256)*256
        IntValue = (IntValue - p2)/256
        p1 = IntValue
        IntToIP = Cstr(p1) & "." & Cstr(p2) & "." & Cstr(p3) & "." & Cstr(p4)
    End Function
    ' ============================================
    ' 获取开始IP位置
    ' ============================================
    Private Function GetStartIP(RecNo)
        OffSet = FirstStartIP + RecNo * 7
        Stream.Position = OffSet
        Buf = Stream.Read(7)
        
        EndIPOff = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256)
        StartIP  = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
        GetStartIP = StartIP
    End Function
    ' ============================================
    ' 获取结束IP位置
    ' ============================================
    Private Function GetEndIP()
        Stream.Position = EndIPOff
        Buf = Stream.Read(5)
        EndIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
        CountryFlag = AscB(MidB(Buf, 5, 1))
        GetEndIP = EndIP
    End Function
    ' ============================================
    ' 获取地域信息，包含国家和和省市
    ' ============================================
    Private Sub GetCountry(IP)
        If (CountryFlag = 1 or CountryFlag = 2) Then
            Country = GetFlagStr(EndIPOff + 4)
            If CountryFlag = 1 Then
                LocalStr = GetFlagStr(Stream.Position)
                ' 以下用来获取数据库版本信息
                If IP >= IPToInt("255.255.255.0") And IP <= IPToInt("255.255.255.255") Then
                    LocalStr = GetFlagStr(EndIPOff + 21)
                    Country = GetFlagStr(EndIPOff + 12)
                End If
            Else
                LocalStr = GetFlagStr(EndIPOff + 8)
            End If
        Else
            Country = GetFlagStr(EndIPOff + 4)
            LocalStr = GetFlagStr(Stream.Position)
        End If
        ' 过滤数据库中的无用信息
        Country = Trim(Country)
        LocalStr = Trim(LocalStr)
        If InStr(Country, "CZ88.NET") Then Country = "114XP.CN"
        If InStr(LocalStr, "CZ88.NET") Then LocalStr = "114XP.CN"
    End Sub
    ' ============================================
    ' 获取IP地址标识符
    ' ============================================
    Private Function GetFlagStr(OffSet)
        Dim Flag
        Flag = 0
        Do While (True)
            Stream.Position = OffSet
            Flag = AscB(Stream.Read(1))
            If(Flag = 1 or Flag = 2 ) Then
                Buf = Stream.Read(3)
                If (Flag = 2 ) Then
                    CountryFlag = 2
                    EndIPOff = OffSet - 4
                End If
                OffSet = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256)
            Else
                Exit Do
            End If
        Loop
        
        If (OffSet < 12 ) Then
            GetFlagStr = ""
        Else
            Stream.Position = OffSet
            GetFlagStr = GetStr()

        End If
    End Function
    ' ============================================
    ' 获取字串信息
    ' ============================================
    Private Function GetStr()
        Dim c
        GetStr = ""
        Do While (True)
            c = AscB(Stream.Read(1))
            If (c = 0) Then Exit Do
            
            '如果是双字节，就进行高字节在结合低字节合成一个字符
            If c > 127 Then
                If Stream.EOS Then Exit Do
                GetStr = GetStr & Chr(AscW(ChrB(AscB(Stream.Read(1))) & ChrB(C)))
            Else
                GetStr = GetStr & Chr(c)
            End If
        Loop
    End Function
    ' ============================================
    ' 核心函数，执行IP搜索
    ' ============================================
    Public Function QQWry(DotIP)
        Dim IP, nRet
        Dim RangB, RangE, RecNo
        
        IP = IPToInt (DotIP)
        
        Set Stream = CreateObject("ADodb.Stream")
        Stream.Mode = 3
        Stream.Type = 1
        Stream.Open
        Stream.LoadFromFile QQWryFile
        Stream.Position = 0
        Buf = Stream.Read(8)
        
        FirstStartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256)
        LastStartIP  = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256) + (AscB(MidB(Buf, 8, 1))*256*256*256)
        RecordCount = Int((LastStartIP - FirstStartIP)/7)
        ' 在数据库中找不到任何IP地址
        If (RecordCount <= 1) Then
            Country = "未知"
            QQWry = 2
            Exit Function
        End If
        
        RangB = 0
        RangE = RecordCount
        
        Do While (RangB < (RangE - 1))
            RecNo = Int((RangB + RangE)/2)
            Call GetStartIP (RecNo)
            If (IP = StartIP) Then
                RangB = RecNo
                Exit Do
            End If
            If (IP > StartIP) Then
                RangB = RecNo
            Else
                RangE = RecNo
            End If
        Loop
        
        Call GetStartIP(RangB)
        Call GetEndIP()

        If (StartIP <= IP) And ( EndIP >= IP) Then
            ' 没有找到
            nRet = 0
        Else
            ' 正常
            nRet = 3
        End If
        Call GetCountry(IP)

        QQWry = nRet
    End Function
    ' ============================================
    ' 类终结
    ' ============================================
    Private Sub Class_Terminate
        On ErrOr Resume Next
        Stream.Close
        If Err Then Err.Clear
        Set Stream = Nothing
    End Sub
End Class
' ============================================
' 返回IP信息
' ============================================
Function Look_Ip(IP)
    Dim Wry, IPType, QQWryVersion, IpCounter
    ' 设置类对象
    Set Wry = New TQQWry
    ' 开始搜索，并返回搜索结果
    ' 您可以根据 QQWry(IP) 返回值来判断该IP地址在数据库中是否存在，如果不存在可以执行其他的一些操作
    ' 比如您自建一个数据库作为追捕等，这里我就不详细说明了
    IPType = Wry.QQWry(IP)
    ' Country：国家地区字段
    ' LocalStr：省市及其他信息字段
    Look_Ip = Wry.Country & " " & Wry.LocalStr
End Function
' ============================================
' 获取真实的IP地址
' ============================================
Function ReqIP()
    ReqIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
    If ReqIP = "" or IsNull(ReqIP) Then ReqIP = Request.ServerVariables("REMOTE_ADDR")
End Function
' ============================================
' 格式化IP地址,格式为：127.000.000.001
' ============================================
Public Function Format_Ip(ip)
    Dim a, i, Sip
    a = Split(ip, ".")
    If UBound(a) <> 3 Then Format_Ip = 0 : Exit Function
    For i = 0 To 3
        Sip= Sip + CInt(a(i)) * (256^(3-i))
        Format_Ip = Format_Ip & String(3-Len(a(i)),"0") & a(i) & "."
    Next
    Format_Ip = Left(Format_Ip, 15)
End Function

' ============================================
' 使用示例
' ============================================
Response.write Look_Ip(Format_Ip(ReqIP()))
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