clash/component/auth/auth.go
2019-06-27 17:04:25 +08:00

46 lines
901 B
Go

package auth
import (
"sync"
)
type Authenticator interface {
Verify(user string, pass string) bool
Users() []string
}
type AuthUser struct {
User string
Pass string
}
type inMemoryAuthenticator struct {
storage *sync.Map
usernames []string
}
func (au *inMemoryAuthenticator) Verify(user string, pass string) bool {
realPass, ok := au.storage.Load(user)
return ok && realPass == pass
}
func (au *inMemoryAuthenticator) Users() []string { return au.usernames }
func NewAuthenticator(users []AuthUser) Authenticator {
if len(users) == 0 {
return nil
}
au := &inMemoryAuthenticator{storage: &sync.Map{}}
for _, user := range users {
au.storage.Store(user.User, user.Pass)
}
usernames := make([]string, 0, len(users))
au.storage.Range(func(key, value interface{}) bool {
usernames = append(usernames, key.(string))
return true
})
au.usernames = usernames
return au
}