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Simple reverse proxy in Go
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| package main | |
| import( | |
| "log" | |
| "net/url" | |
| "net/http" | |
| "net/http/httputil" | |
| ) | |
| func main() { | |
| remote, err := url.Parse("http://google.com") | |
| if err != nil { | |
| panic(err) | |
| } | |
| handler := func(p *httputil.ReverseProxy) func(http.ResponseWriter, *http.Request) { | |
| return func(w http.ResponseWriter, r *http.Request) { | |
| log.Println(r.URL) | |
| r.Host = remote.Host | |
| w.Header().Set("X-Ben", "Rad") | |
| p.ServeHTTP(w, r) | |
| } | |
| } | |
| proxy := httputil.NewSingleHostReverseProxy(remote) | |
| http.HandleFunc("/", handler(proxy)) | |
| err = http.ListenAndServe(":8080", nil) | |
| if err != nil { | |
| panic(err) | |
| } | |
| } |
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