#!/usr/bin/env python

"""

Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)

See the file 'LICENSE' for copying permission

"""

import binascii

from lib.core.convert import getBytes

from lib.core.convert import getOrds

from lib.core.convert import getUnicode

from plugins.generic.syntax import Syntax as GenericSyntax

class Syntax(GenericSyntax):

@staticmethod

def escape(expression, quote=True):

"""

>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT 0x6162636465666768 FROM foobar"

True

>>> Syntax.escape(u"SELECT 'abcd\xebfgh' FROM foobar") == "SELECT CONVERT(0x61626364c3ab666768 USING utf8) FROM foobar"

True

"""

def escaper(value):

if all(_ < 128 for _ in getOrds(value)):

return "0x%s" % getUnicode(binascii.hexlify(getBytes(value)))

else:

return "CONVERT(0x%s USING utf8)" % getUnicode(binascii.hexlify(getBytes(value, "utf8")))

return Syntax._escape(expression, quote, escaper)