add client ID for plugin service

auth/auth.go

@@ -12,7 +12,6 @@ import (
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/x/internal/loader"
 	xlogger "github.com/go-gost/x/logger"
-	"google.golang.org/grpc"
 )
 
 type options struct {
@@ -21,7 +20,6 @@ type options struct {
 	redisLoader loader.Loader
 	httpLoader  loader.Loader
 	period      time.Duration
-	client      *grpc.ClientConn
 	logger      logger.Logger
 }
 
@@ -57,12 +55,6 @@ func HTTPLoaderOption(httpLoader loader.Loader) Option {
 	}
 }
 
-func PluginConnOption(c *grpc.ClientConn) Option {
-	return func(opts *options) {
-		opts.client = c
-	}
-}
-
 func LoggerOption(logger logger.Logger) Option {
 	return func(opts *options) {
 		opts.logger = logger
@@ -105,20 +97,20 @@ func NewAuthenticator(opts ...Option) auth.Authenticator {
 }
 
 // Authenticate checks the validity of the provided user-password pair.
-func (p *authenticator) Authenticate(ctx context.Context, user, password string) bool {
+func (p *authenticator) Authenticate(ctx context.Context, user, password string) (bool, string) {
 	if p == nil {
-		return true
+		return true, ""
 	}
 
 	p.mu.RLock()
 	defer p.mu.RUnlock()
 
 	if len(p.kvs) == 0 {
-		return true
+		return false, ""
 	}
 
 	v, ok := p.kvs[user]
-	return ok && (v == "" || password == v)
+	return ok && (v == "" || password == v), ""
 }
 
 func (p *authenticator) periodReload(ctx context.Context) error {