1package main
 2
 3import (
 4	"encoding/hex"
 5	"net/http"
 6	"os"
 7	"strconv"
 8
 9	"github.com/joho/godotenv"
10)
11
12const (
13	DefaultPort = "1111"
14)
15
16func main() {
17	// Load the .env file
18	err := godotenv.Load()
19	if err != nil {
20		println("Could not load .env file")
21	}
22
23	port := os.Getenv("PORT")
24	if port == "" {
25		port = DefaultPort
26	}
27
28	fileSizeString := os.Getenv("MAX_SIZE_MB")
29	MaxFileSize, err = strconv.ParseInt(fileSizeString, 10, 64)
30	if err != nil {
31		MaxFileSize = DefaultMaxFileSize
32	}
33	println("Max file size:", MaxFileSize, "MB.")
34	MaxFileSize *= MB
35
36	AdditionalBytes, _ = hex.DecodeString(AdditionalBytesHex)
37
38	http.HandleFunc("/", mainHandler)
39	println("Listening on port " + port)
40	http.ListenAndServe(":"+port, nil)
41}
42
43func mainHandler(w http.ResponseWriter, r *http.Request) {
44	switch r.Method {
45	case http.MethodGet:
46		getHandler(w)
47		return
48	case http.MethodPost:
49		postHandler(w, r)
50	default:
51		http.Error(w, "Method not supported", http.StatusBadRequest)
52	}
53}