83 lines
1.5 KiB
Go
83 lines
1.5 KiB
Go
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package model
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import (
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"crypto/md5"
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"encoding/hex"
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"net"
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)
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const (
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TypeIOS = "ios"
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TypeAndriod = "android"
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GdtIOSAppID = "736536022"
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GdtAndroidAppID = "100951776"
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ChannelToutiao = "toutiao"
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ChannelShike = "2883"
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ChannelDontin = "415209141"
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)
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type GdtKey struct {
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Encrypt string
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Sign string
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}
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var (
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ChannelGdt = map[string]*GdtKey{
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"1439767": &GdtKey{Encrypt: "BAAAAAAAAAAAFfgX", Sign: "ee358e8dccbbc4ba"},
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"406965": &GdtKey{Encrypt: "BAAAAAAAAAAABjW1", Sign: "a45cbd2d4c5344b3"},
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"7799673": &GdtKey{Encrypt: "BAAAAAAAAAAAdwN5", Sign: "54b6deffcd64b6b0"},
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}
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AppIDGdt = map[string]string{
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TypeIOS: GdtIOSAppID,
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TypeAndriod: GdtAndroidAppID,
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}
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)
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func GdtIMEI(imei string) (gdtImei string) {
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if imei == "" {
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return
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}
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bs := md5.Sum([]byte(imei))
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gdtImei = hex.EncodeToString(bs[:])
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return
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}
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// InetAtoN conver ip addr to uint32.
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func InetAtoN(s string) (sum uint32) {
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ip := net.ParseIP(s)
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if ip == nil {
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return
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}
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ip = ip.To4()
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if ip == nil {
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return
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}
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sum += uint32(ip[0]) << 24
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sum += uint32(ip[1]) << 16
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sum += uint32(ip[2]) << 8
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sum += uint32(ip[3])
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return sum
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}
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// InetNtoA conver uint32 to ip addr.
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func InetNtoA(sum uint32) string {
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ip := make(net.IP, net.IPv4len)
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ip[0] = byte((sum >> 24) & 0xFF)
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ip[1] = byte((sum >> 16) & 0xFF)
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ip[2] = byte((sum >> 8) & 0xFF)
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ip[3] = byte(sum & 0xFF)
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return ip.String()
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}
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// IsIPv4 is ipv4
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func IsIPv4(addr string) bool {
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ipv := net.ParseIP(addr)
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if ip := ipv.To4(); ip != nil {
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return true
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} else {
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return false
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}
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}
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