SUrvey now works

db/utils.go

@@ -1,16 +1,23 @@
 package db
 
 import (
-	"math/rand"
+	"crypto/rand"
+	"log"
+	"math/big"
 )
 
-var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
+var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
 
 func GenerateRandomString() string {
-	const n = 25
+	const n = 38
 	b := make([]rune, n)
 	for i := range b {
-		b[i] = letters[rand.Intn(len(letters))]
+		num, err := rand.Int(rand.Reader, big.NewInt(int64(len(letters))))
+		if err != nil {
+			log.Println("Error generating random string: ", err)
+			continue
+		}
+		b[i] = letters[num.Int64()]
 	}
 	return string(b)
 }