func (controller *ShawtyJSController) ServeHTTP(w http.ResponseWriter, r *http.Request) {
defer closeReqBody(r)
var u = r.FormValue("url")
if u == "" {
u = r.Referer()
if u != "" {
// if it's in the referer then we don't want the browser to cache this
w.Header().Set("Cache-Control", "no-cache")
http.Redirect(w, r, "shawty.js?url="+url.QueryEscape(u), http.StatusTemporaryRedirect)
return
} else {
http.NotFound(w, r)
return
}
}
res := controller.GetJSResponse(u, utils.HttpRemoteIP(r), r.FormValue("bm") == "1")
tpl := getShawtyJs()
w.Header().Set("Content-Type", "application/javascript")
if err := tpl.Execute(w, res); err != nil {
log.Error("Cannot execute shawty javascript template")
log.Error(err)
http.Error(w, "Error", http.StatusInternalServerError)
}
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
// read configurations
confKeys := []string{"SHAWTY_PORT", "SHAWTY_DB", "SHAWTY_DOMAIN", "SHAWTY_MODE", "SHAWTY_LPM", "SHAWTY_LOG_DIR"}
config := make(map[string]string)
for _, k := range confKeys {
config[k] = os.Getenv(k)
}
// setup logger
log.SetDir(config["SHAWTY_LOG_DIR"])
// setup data
random := utils.NewBestRand()
shawties, err := data.NewMySh(random, config["SHAWTY_DB"])
if err != nil {
log.Error("Cannot create MySh")
return
}
defer shawties.Close()
// register routes
home := web.NewHomeController(config)
shawtyjs := web.NewShawtyJSController(config, shawties)
shortID := web.NewShortIDController(config, shawties)
// setup HTTP server
router := mux.NewRouter()
router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
router.Handle("/", home)
router.Handle("/shawty.js", shawtyjs)
router.Handle("/{shortID:[A-Za-z0-9]+}", shortID)
var port = config["SHAWTY_PORT"]
if port == "" {
port = "80"
}
l, err := net.Listen("tcp", "0.0.0.0:"+port)
if err != nil {
log.Errorf("Cannot listen at %s", port)
fmt.Println(err)
return
}
defer l.Close()
log.Infof("Listening at %s", port)
runMode := config["SHAWTY_MODE"]
switch runMode {
case "fcgi":
fcgi.Serve(l, router)
default:
http.Serve(l, router)
}
}