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|
package internal
import (
"flag"
"fmt"
"net/http"
"strings"
)
var (
redirectDomain = flag.String("redirect-domain", "xeiaso.net", "Domain to redirect to")
allowedPaths = map[string]struct{}{
"/blog.rss": {},
"/blog.atom": {},
"/blog.json": {},
}
)
func DomainRedirect(next http.Handler, development bool) http.Handler {
if development {
return next
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if _, ok := allowedPaths[r.URL.Path]; ok {
next.ServeHTTP(w, r)
return
}
if r.Host != *redirectDomain {
if !strings.HasSuffix(r.Host, ".onion") {
if r.Method != "GET" {
http.Error(w, fmt.Sprintf("go to https://%s%s and try your request again", *redirectDomain, r.RequestURI), http.StatusMisdirectedRequest)
return
}
http.Redirect(w, r, fmt.Sprintf("https://%s%s", *redirectDomain, r.RequestURI), http.StatusMovedPermanently)
return
}
}
next.ServeHTTP(w, r)
})
}
|
