#!/usr/bin/env python

"""
Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""

import base64

from lib.core.enums import PRIORITY
from lib.core.settings import UNICODE_ENCODING

__priority__ = PRIORITY.LOW

def dependencies():
    pass

def tamper(payload, **kwargs):
    """
    Base64-encodes all characters in a given payload

    >>> tamper("1' AND SLEEP(5)#")
    'MScgQU5EIFNMRUVQKDUpIw=='
    """

    return base64.b64encode(payload.encode(UNICODE_ENCODING)) if payload else payload