more

main.go

@@ -9,6 +9,7 @@ import (
 	"html/template"
 	"log"
 	"crypto/rand"
+	"encoding/base32"
 	"net/smtp"
 	"strings"
 )
@@ -144,12 +145,12 @@ func RecoverByEmail(e string) {
 
 
 func randBytes(n int) []byte {
-	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
-	b := make([]byte, n)
-	for i := range b {
-		b[i] = letterBytes[rand.Int(len(letterBytes))]
-	}
-	return b
+   randomBytes := make([]byte, 32)
+    _, err := rand.Read(randomBytes)
+    if err != nil {
+        panic(err)
+    }
+    return []byte(base32.StdEncoding.EncodeToString(randomBytes)[:n])
 }
 
 func sendRegistrationEmail(recipient, username, password string) bool {