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119 lines
2.7 KiB
119 lines
2.7 KiB
// Copyright 2019 fatedier, fatedier@gmail.com
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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 plugin
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import (
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"bytes"
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"context"
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"crypto/tls"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"reflect"
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"strings"
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v1 "github.com/fatedier/frp/pkg/config/v1"
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)
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type httpPlugin struct {
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options v1.HTTPPluginOptions
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url string
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client *http.Client
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}
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func NewHTTPPluginOptions(options v1.HTTPPluginOptions) Plugin {
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url := fmt.Sprintf("%s%s", options.Addr, options.Path)
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var client *http.Client
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if strings.HasPrefix(url, "https://") {
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: !options.TLSVerify},
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}
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client = &http.Client{Transport: tr}
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} else {
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client = &http.Client{}
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}
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if !strings.HasPrefix(url, "https://") && !strings.HasPrefix(url, "http://") {
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url = "http://" + url
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}
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return &httpPlugin{
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options: options,
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url: url,
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client: client,
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}
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}
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func (p *httpPlugin) Name() string {
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return p.options.Name
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}
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func (p *httpPlugin) IsSupport(op string) bool {
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for _, v := range p.options.Ops {
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if v == op {
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return true
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}
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}
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return false
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}
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func (p *httpPlugin) Handle(ctx context.Context, op string, content interface{}) (*Response, interface{}, error) {
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r := &Request{
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Version: APIVersion,
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Op: op,
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Content: content,
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}
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var res Response
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res.Content = reflect.New(reflect.TypeOf(content)).Interface()
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if err := p.do(ctx, r, &res); err != nil {
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return nil, nil, err
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}
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return &res, res.Content, nil
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}
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func (p *httpPlugin) do(ctx context.Context, r *Request, res *Response) error {
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buf, err := json.Marshal(r)
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if err != nil {
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return err
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}
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v := url.Values{}
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v.Set("version", r.Version)
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v.Set("op", r.Op)
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req, err := http.NewRequest("POST", p.url+"?"+v.Encode(), bytes.NewReader(buf))
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if err != nil {
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return err
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}
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req = req.WithContext(ctx)
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req.Header.Set("X-Frp-Reqid", GetReqidFromContext(ctx))
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req.Header.Set("Content-Type", "application/json")
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resp, err := p.client.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("do http request error code: %d", resp.StatusCode)
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}
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buf, err = io.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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return json.Unmarshal(buf, res)
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}
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