mirror of
https://github.com/fatedier/frp.git
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87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
// Copyright 2025 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v1
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"reflect"
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)
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const (
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VisitorPluginVirtualNet = "virtual_net"
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)
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var visitorPluginOptionsTypeMap = map[string]reflect.Type{
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VisitorPluginVirtualNet: reflect.TypeOf(VirtualNetVisitorPluginOptions{}),
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}
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type VisitorPluginOptions interface {
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Complete()
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}
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type TypedVisitorPluginOptions struct {
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Type string `json:"type"`
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VisitorPluginOptions
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}
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func (c *TypedVisitorPluginOptions) UnmarshalJSON(b []byte) error {
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if len(b) == 4 && string(b) == "null" {
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return nil
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}
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typeStruct := struct {
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Type string `json:"type"`
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}{}
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if err := json.Unmarshal(b, &typeStruct); err != nil {
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return err
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}
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c.Type = typeStruct.Type
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if c.Type == "" {
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return errors.New("visitor plugin type is empty")
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}
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v, ok := visitorPluginOptionsTypeMap[typeStruct.Type]
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if !ok {
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return fmt.Errorf("unknown visitor plugin type: %s", typeStruct.Type)
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}
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options := reflect.New(v).Interface().(VisitorPluginOptions)
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decoder := json.NewDecoder(bytes.NewBuffer(b))
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if DisallowUnknownFields {
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decoder.DisallowUnknownFields()
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}
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if err := decoder.Decode(options); err != nil {
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return fmt.Errorf("unmarshal VisitorPluginOptions error: %v", err)
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}
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c.VisitorPluginOptions = options
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return nil
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}
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func (c *TypedVisitorPluginOptions) MarshalJSON() ([]byte, error) {
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return json.Marshal(c.VisitorPluginOptions)
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}
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type VirtualNetVisitorPluginOptions struct {
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Type string `json:"type"`
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DestinationIP string `json:"destinationIP"`
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}
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func (o *VirtualNetVisitorPluginOptions) Complete() {}
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