Created
May 18, 2024 11:59
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Serve local files on HTTP (CORS Enabled)
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package main | |
import ( | |
"flag" | |
"log" | |
"net/http" | |
) | |
func main() { | |
port := flag.String("p", "8100", "port to serve on") | |
directory := flag.String("d", ".", "the directory of static file to host") | |
flag.Parse() | |
fileServer := http.FileServer(http.Dir(*directory)) | |
http.Handle("/", allowCORS(fileServer)) | |
log.Printf("Serving %s on HTTP port: %s\n", *directory, *port) | |
log.Fatal(http.ListenAndServe(":"+*port, nil)) | |
} | |
func allowCORS(next http.Handler) http.Handler { | |
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | |
w.Header().Set("Access-Control-Allow-Origin", "*") | |
w.Header().Set("Access-Control-Allow-Methods", "*") | |
w.Header().Set("Access-Control-Allow-Headers", "*") | |
w.Header().Set("Cross-Origin-Opener-Policy", "same-origin") | |
w.Header().Set("Cross-Origin-Embedder-Policy", "require-corp") | |
if r.Method == http.MethodOptions { | |
w.WriteHeader(http.StatusOK) | |
return | |
} | |
next.ServeHTTP(w, r) | |
}) | |
} |
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