init: Initial commit

app/utils/token.go

@@ -0,0 +1,18 @@
+package utils
+
+import (
+	"crypto/rand"
+)
+
+func GenerateRandomString(length int) string {
+	charset := "abcdefghijklmnopqrstuvwxyz0123456789"
+	b := make([]byte, length)
+	_, err := rand.Read(b)
+	if err != nil {
+		return ""
+	}
+	for i := range b {
+		b[i] = charset[b[i]%byte(len(charset))]
+	}
+	return string(b)
+}