support yaml/json/toml configuration format, make ini deprecated (#3599)

pkg/config/v1/validation/plugin.go

@@ -0,0 +1,72 @@
+// Copyright 2023 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validation
+
+import (
+	"errors"
+
+	v1 "github.com/fatedier/frp/pkg/config/v1"
+)
+
+func ValidateClientPluginOptions(c v1.ClientPluginOptions) error {
+	switch v := c.(type) {
+	case *v1.HTTP2HTTPSPluginOptions:
+		return validateHTTP2HTTPSPluginOptions(v)
+	case *v1.HTTPS2HTTPPluginOptions:
+		return validateHTTPS2HTTPPluginOptions(v)
+	case *v1.HTTPS2HTTPSPluginOptions:
+		return validateHTTPS2HTTPSPluginOptions(v)
+	case *v1.StaticFilePluginOptions:
+		return validateStaticFilePluginOptions(v)
+	case *v1.UnixDomainSocketPluginOptions:
+		return validateUnixDomainSocketPluginOptions(v)
+	}
+	return nil
+}
+
+func validateHTTP2HTTPSPluginOptions(c *v1.HTTP2HTTPSPluginOptions) error {
+	if c.LocalAddr == "" {
+		return errors.New("localAddr is required")
+	}
+	return nil
+}
+
+func validateHTTPS2HTTPPluginOptions(c *v1.HTTPS2HTTPPluginOptions) error {
+	if c.LocalAddr == "" {
+		return errors.New("localAddr is required")
+	}
+	return nil
+}
+
+func validateHTTPS2HTTPSPluginOptions(c *v1.HTTPS2HTTPSPluginOptions) error {
+	if c.LocalAddr == "" {
+		return errors.New("localAddr is required")
+	}
+	return nil
+}
+
+func validateStaticFilePluginOptions(c *v1.StaticFilePluginOptions) error {
+	if c.LocalPath == "" {
+		return errors.New("localPath is required")
+	}
+	return nil
+}
+
+func validateUnixDomainSocketPluginOptions(c *v1.UnixDomainSocketPluginOptions) error {
+	if c.UnixPath == "" {
+		return errors.New("unixPath is required")
+	}
+	return nil
+}