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package utils
import (
"fmt"
"net"
"strings"
)
// CombineSubIss combines subject and issuer
func CombineSubIss(sub, iss string) string {
if sub == "" || iss == "" {
return ""
}
return fmt.Sprintf("%s@%s", sub, iss)
}
func IntersectSlices(a, b []string) (res []string) {
for _, bb := range b {
if StringInSlice(bb, a) {
res = append(res, bb)
}
}
return
}
func StringInSlice(key string, slice []string) bool {
for _, s := range slice {
if s == key {
return true
}
}
return false
}
func IsSubSet(a, b []string) bool {
for _, aa := range a {
if !StringInSlice(aa, b) {
return false
}
}
return true
}
func IPsAreSubSet(ipsA, ipsB []string) bool {
for _, ipA := range ipsA {
if !ipIsIn(ipA, ipsB) {
return false
}
}
return true
}
func ipIsIn(ip string, ips []string) bool {
ipA := net.ParseIP(ip)
for _, ipp := range ips {
if strings.Contains(ipp, "/") {
_, ipNetB, _ := net.ParseCIDR(ipp)
if ipNetB.Contains(ipA) {
return true
}
} else {
if ip == ipp {
return true
}
}
}
return false
}