103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/http/httputil"
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)
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func main() {
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domains := make(map[string]int)
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domains["test.localhost"] = 8181
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domains["test2.localhost"] = 8282
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client := &http.Client{
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CheckRedirect: func(req *http.Request, via []*http.Request) error {
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return http.ErrUseLastResponse
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},
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}
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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port := domains[r.Host]
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rDump, err := httputil.DumpRequest(r, true)
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if err != nil {
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panic(err)
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}
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subUrlPath := r.URL.RequestURI()
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req, err := http.NewRequest(r.Method, fmt.Sprintf("http://localhost:%d%s", port, subUrlPath), r.Body)
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if err != nil {
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panic(err)
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}
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for name, values := range r.Header {
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for _, value := range values {
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req.Header.Set(name, value)
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}
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}
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for _, cookie := range r.Cookies() {
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// fmt.Printf("Setting cookie, Name: %s, Value: %s\n", cookie.Name, cookie.Value)
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req.AddCookie(cookie)
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}
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reqDump, err := httputil.DumpRequestOut(req, true)
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if err != nil {
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panic(err)
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}
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res, err := client.Do(req)
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if err != nil {
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panic(err)
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}
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cookies := res.Cookies()
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for _, cookie := range cookies {
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// fmt.Printf("Setting cookie, Name: %s, Value: %s\n", cookie.Name, cookie.Value)
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http.SetCookie(w, cookie)
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}
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resDump, err := httputil.DumpResponse(res, true)
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if err != nil {
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panic(err)
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}
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if loc, err := res.Location(); !errors.Is(err, http.ErrNoLocation) {
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http.Redirect(w, r, loc.RequestURI(), http.StatusFound)
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} else {
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for name, values := range res.Header {
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for _, value := range values {
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w.Header().Set(name, value)
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}
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}
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w.WriteHeader(res.StatusCode)
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body, err := io.ReadAll(res.Body)
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if err != nil {
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panic(err)
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}
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defer res.Body.Close()
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_, err = w.Write(body)
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if err != nil {
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panic(err)
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}
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}
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if r.Method == "POST" {
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fmt.Print(string(rDump) + "\n\n")
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fmt.Print(string(reqDump) + "\n\n")
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fmt.Print(string(resDump) + "\n")
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fmt.Println("----------------------------------------")
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}
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})
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fmt.Println("Starting server on :443")
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http.ListenAndServeTLS(":443", "server.crt", "server.key", nil)
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}
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