About Mps

MPS is a high-performance HTTP(S) proxy library that supports forward proxies, reverse proxies, man-in-the-middle proxies, tunnel proxies, Websocket proxies. MPS 是一个高性能HTTP(s)中间代理库，它支持正向代理、反向代理、中间人代理、隧道代理、Websocket代理

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telanflow

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Mps

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MPS

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📖 Introduction

stars GitHub release (latest SemVer) GitHub go.mod Go version

MPS (middle-proxy-server) is an high-performance middle proxy library. support HTTP, HTTPS, Websocket, ForwardProxy, ReverseProxy, TunnelProxy, MitmProxy.

🚀 Features

Http Proxy
Https Proxy
Forward Proxy
Reverse Proxy
Tunnel Proxy
Mitm Proxy (Man-in-the-middle)
WekSocket Proxy

🧰 Install

go get -u github.com/telanflow/mps

🛠 How to use

A simple proxy service

package main

import (
    "github.com/telanflow/mps"
    "log"
    "net/http"
)

func main() {
    proxy := mps.NewHttpProxy()
    log.Fatal(http.ListenAndServe(":8080", proxy))
}

More examples

🧬 Middleware

Middleware can intercept requests and responses. we have several middleware implementations built in, including BasicAuth

func main() {
    proxy := mps.NewHttpProxy()
    
    proxy.Use(mps.MiddlewareFunc(func(req *http.Request, ctx *mps.Context) (*http.Response, error) {
        log.Printf("[INFO] middleware -- %s %s", req.Method, req.URL)
        return ctx.Next(req)
    }))
    
    proxy.UseFunc(func(req *http.Request, ctx *mps.Context) (*http.Response, error) {
        log.Printf("[INFO] middleware -- %s %s", req.Method, req.URL)
        resp, err := ctx.Next(req)
        if err != nil {
            return nil, err
        }
        log.Printf("[INFO] resp -- %d", resp.StatusCode)
        return resp, err
    })
    
    log.Fatal(http.ListenAndServe(":8080", proxy))
}

♻️ Filters

Filters can filter requests and responses for unified processing. It is based on middleware implementation.

func main() {
    proxy := mps.NewHttpProxy()
    
    // request Filter Group
    reqGroup := proxy.OnRequest(mps.FilterHostMatches(regexp.MustCompile("^.*$")))
    reqGroup.DoFunc(func(req *http.Request, ctx *mps.Context) (*http.Request, *http.Response) {
        log.Printf("[INFO] req -- %s %s", req.Method, req.URL)
        return req, nil
    })
    
    // response Filter Group
    respGroup := proxy.OnResponse()
    respGroup.DoFunc(func(resp *http.Response, err error, ctx *mps.Context) (*http.Response, error) {
        if err != nil {
            log.Printf("[ERRO] resp -- %s %v", ctx.Request.Method, err)
            return nil, err
        }
    
        log.Printf("[INFO] resp -- %d", resp.StatusCode)
        return resp, err
    })
    
    log.Fatal(http.ListenAndServe(":8080", proxy))
}

📄 License

Source code in MPS is available under the BSD 3 License.

Mps