/
client.go
64 lines (59 loc) · 1.33 KB
/
client.go
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package main
import (
"io"
"log"
"net"
"net/http"
"net/http/httputil"
"os"
"github.com/getlantern/enproxy"
)
func main() {
if len(os.Args) < 2 {
log.Fatal("Usage: client <proxy addr to listen> <proxy server addr>")
}
enproxyConfig := &enproxy.Config{
DialProxy: func(addr string) (net.Conn, error) {
return net.Dial("tcp", os.Args[2])
},
NewRequest: func(host string, method string, body io.Reader) (req *http.Request, err error) {
if host == "" {
host = os.Args[2]
}
return http.NewRequest(method, "http://"+host+"/", body)
},
}
httpServer := &http.Server{
Addr: os.Args[1],
Handler: &ClientHandler{
ProxyAddr: os.Args[2],
Config: enproxyConfig,
ReverseProxy: &httputil.ReverseProxy{
Director: func(req *http.Request) {
// do nothing
},
Transport: &http.Transport{
Dial: func(network string, addr string) (net.Conn, error) {
return enproxy.Dial(addr, enproxyConfig)
},
},
},
},
}
err := httpServer.ListenAndServe()
if err != nil {
log.Fatal(err)
}
}
type ClientHandler struct {
ProxyAddr string
Config *enproxy.Config
ReverseProxy *httputil.ReverseProxy
}
func (c *ClientHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
if req.Method == "CONNECT" {
c.Intercept(resp, req)
} else {
c.ReverseProxy.ServeHTTP(resp, req)
}
}