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|
package main
import (
"flag"
"log"
"net/http"
"os"
"strings"
)
var (
fullchain = "/etc/letsencrypt/live/alexscerba.com/fullchain.pem"
privkey = "/etc/letsencrypt/live/alexscerba.com/privkey.pem"
)
type application struct {
errorLog *log.Logger
infoLog *log.Logger
}
func (app *application) httpsRedirect(w http.ResponseWriter, req *http.Request) {
// remove/add not default ports from req.Host
target := "https://" + req.Host + req.URL.Path
if len(req.URL.RawQuery) > 0 {
target += "?" + req.URL.RawQuery
}
app.infoLog.Printf("redirect to: %s", target)
http.Redirect(w, req, target,
// see comments below and consider the codes 308, 302, or 301
http.StatusMovedPermanently)
}
func (app *application) wwwRedirect(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if !strings.HasPrefix(r.Host, "www.") {
http.Redirect(w, r, "https://www."+r.Host+r.RequestURI, 302)
return
}
h.ServeHTTP(w, r)
})
}
func main() {
addr := flag.String("addr", ":4000", "HTTP Network Address")
flag.Parse() // required before flag is used
infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
errorLog := log.New(os.Stderr, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)
app := &application{
errorLog: errorLog,
infoLog: infoLog,
}
mux := http.NewServeMux()
fs := http.FileServer(http.Dir("./static"))
mux.Handle("/static/", http.StripPrefix("/static/", fs))
mux.HandleFunc("/projects", app.post)
mux.HandleFunc("/projects/", app.post)
mux.HandleFunc("/blog", app.post)
mux.HandleFunc("/blog/", app.post)
mux.HandleFunc("/about", app.about)
mux.HandleFunc("/about/", app.about)
mux.HandleFunc("/", app.home)
if *addr == ":443" {
www := app.wwwRedirect(mux)
infoLog.Printf("Starting TLS server on %s...\n", *addr)
go http.ListenAndServe(":80", www)
err := http.ListenAndServeTLS(*addr, fullchain, privkey, gzipHandler(www))
log.Fatal(err)
} else {
infoLog.Printf("Starting server on %s...\n", *addr)
err := http.ListenAndServe(*addr, gzipHandler(mux))
log.Fatal(err)
}
}
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