39 lines
813 B
Go
39 lines
813 B
Go
package auth
|
|
|
|
import "context"
|
|
|
|
type Options struct{}
|
|
|
|
type Option func(opts *Options)
|
|
|
|
// Authenticator is an interface for user authentication.
|
|
type Authenticator interface {
|
|
Authenticate(ctx context.Context, user, password string, opts ...Option) (id string, ok bool)
|
|
}
|
|
|
|
type authenticatorGroup struct {
|
|
authers []Authenticator
|
|
}
|
|
|
|
func AuthenticatorGroup(authers ...Authenticator) Authenticator {
|
|
return &authenticatorGroup{
|
|
authers: authers,
|
|
}
|
|
}
|
|
|
|
func (p *authenticatorGroup) Authenticate(ctx context.Context, user, password string, opts ...Option) (string, bool) {
|
|
if len(p.authers) == 0 {
|
|
return "", false
|
|
}
|
|
for _, auther := range p.authers {
|
|
if auther == nil {
|
|
continue
|
|
}
|
|
|
|
if id, ok := auther.Authenticate(ctx, user, password, opts...); ok {
|
|
return id, ok
|
|
}
|
|
}
|
|
return "", false
|
|
}
|