add pkgs from core

registry/auther.go

@@ -0,0 +1,40 @@
+package registry
+
+import (
+	"github.com/go-gost/core/auth"
+)
+
+type autherRegistry struct {
+	registry
+}
+
+func (r *autherRegistry) Register(name string, v auth.Authenticator) error {
+	return r.registry.Register(name, v)
+}
+
+func (r *autherRegistry) Get(name string) auth.Authenticator {
+	if name != "" {
+		return &autherWrapper{name: name, r: r}
+	}
+	return nil
+}
+
+func (r *autherRegistry) get(name string) auth.Authenticator {
+	if v := r.registry.Get(name); v != nil {
+		return v.(auth.Authenticator)
+	}
+	return nil
+}
+
+type autherWrapper struct {
+	name string
+	r    *autherRegistry
+}
+
+func (w *autherWrapper) Authenticate(user, password string) bool {
+	v := w.r.get(w.name)
+	if v == nil {
+		return true
+	}
+	return v.Authenticate(user, password)
+}