mirror of https://github.com/nealey/foneworx.git
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package main
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
"regexp"
|
|
"log"
|
|
"os"
|
|
"strings"
|
|
"fmt"
|
|
)
|
|
|
|
func copyHeader(dst, src http.Header) {
|
|
for k, vv := range src {
|
|
for _, v := range vv {
|
|
dst.Add(k, v)
|
|
}
|
|
}
|
|
}
|
|
|
|
var HeadTag = regexp.MustCompile("<head>")
|
|
const NewHead = `<head>
|
|
<script src="/share/foneworx.js"></script>
|
|
`
|
|
|
|
func Handler(w http.ResponseWriter, r *http.Request) {
|
|
r.URL.Scheme = "https"
|
|
r.URL.Host = "www.feisworx.com"
|
|
r.Host = "www.feisworx.com"
|
|
|
|
resp, err := http.DefaultTransport.RoundTrip(r)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusServiceUnavailable)
|
|
return
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusServiceUnavailable)
|
|
return
|
|
}
|
|
|
|
contentType := resp.Header.Get("Content-Type")
|
|
tamperBody := body
|
|
if strings.HasPrefix(contentType, "text/html") {
|
|
tamperBody = HeadTag.ReplaceAll(body, []byte(NewHead))
|
|
}
|
|
|
|
copyHeader(w.Header(), resp.Header)
|
|
w.Header().Set("Content-Length", fmt.Sprintf("%d", len(tamperBody)))
|
|
w.WriteHeader(resp.StatusCode)
|
|
w.Write(tamperBody)
|
|
}
|
|
|
|
func main() {
|
|
http.HandleFunc("/", Handler)
|
|
http.Handle("/share/", http.StripPrefix("/share/", http.FileServer(http.Dir("static/"))))
|
|
http.Handle("/images/", http.StripPrefix("/images/", http.FileServer(http.Dir("static/"))))
|
|
|
|
port := os.Getenv("PORT")
|
|
if port == "" {
|
|
port = "8080"
|
|
log.Printf("Defaulting to port %s", port)
|
|
}
|
|
|
|
log.Printf("Listening on port %s", port)
|
|
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%s", port), nil))
|
|
}
|
|
|