update

Signed-off-by: hongming <talonwan@yunify.com>

pkg/apiserver/authentication/identityprovider/identity_provider.go

@@ -18,8 +18,46 @@
 
 package identityprovider
 
-import "k8s.io/apiserver/pkg/authentication/user"
+import (
+	"errors"
+	"k8s.io/apiserver/pkg/authentication/user"
+	"kubesphere.io/kubesphere/pkg/apiserver/authentication/oauth"
+)
 
-type OAuth2Interface interface {
+var (
+	ErrorIdentityProviderNotFound = errors.New("the identity provider was not found")
+	ErrorAlreadyRegistered        = errors.New("the identity provider was not found")
+	oauthProviderCodecs           = map[string]OAuthProviderCodec{}
+)
+
+type OAuthProvider interface {
 	IdentityExchange(code string) (user.Info, error)
 }
+
+type OAuthProviderCodec interface {
+	Type() string
+	Decode(options *oauth.DynamicOptions) (OAuthProvider, error)
+	Encode(provider OAuthProvider) (*oauth.DynamicOptions, error)
+}
+
+func ResolveOAuthProvider(providerType string, options *oauth.DynamicOptions) (OAuthProvider, error) {
+	if codec, ok := oauthProviderCodecs[providerType]; ok {
+		return codec.Decode(options)
+	}
+	return nil, ErrorIdentityProviderNotFound
+}
+
+func ResolveOAuthOptions(providerType string, provider OAuthProvider) (*oauth.DynamicOptions, error) {
+	if codec, ok := oauthProviderCodecs[providerType]; ok {
+		return codec.Encode(provider)
+	}
+	return nil, ErrorIdentityProviderNotFound
+}
+
+func RegisterOAuthProviderCodec(codec OAuthProviderCodec) error {
+	if _, ok := oauthProviderCodecs[codec.Type()]; ok {
+		return ErrorAlreadyRegistered
+	}
+	oauthProviderCodecs[codec.Type()] = codec
+	return nil
+}