46 lines
864 B
Go
46 lines
864 B
Go
package utils
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import "net"
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var PrivateIPNetworks = []net.IPNet{
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{
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IP: net.ParseIP("10.0.0.0"),
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Mask: net.CIDRMask(8, 32),
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},
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{
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IP: net.ParseIP("172.16.0.0"),
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Mask: net.CIDRMask(12, 32),
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},
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{
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IP: net.ParseIP("192.168.0.0"),
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Mask: net.CIDRMask(16, 32),
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},
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}
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// check if ip is private
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func IPPrivate(ip net.IP) bool {
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for _, ipNet := range PrivateIPNetworks {
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if ipNet.Contains(ip) {
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return true
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}
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}
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return false
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}
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// GetLocalIP returns the non loopback local IP of the host
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func GetLocalIP() string {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return ""
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}
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for _, address := range addrs {
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// check the address type and if it is not a loopback the display it
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String()
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}
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}
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}
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return ""
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}
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