sqlmap/plugins/dbms/sqlite/syntax.py
2019-01-05 21:38:52 +01:00

42 lines
1.3 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import binascii
from lib.core.common import isDBMSVersionAtLeast
from lib.core.settings import UNICODE_ENCODING
from plugins.generic.syntax import Syntax as GenericSyntax
class Syntax(GenericSyntax):
def __init__(self):
GenericSyntax.__init__(self)
@staticmethod
def escape(expression, quote=True):
"""
>>> from lib.core.common import Backend
>>> Backend.setVersion('2')
['2']
>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar")
"SELECT 'abcdefgh' FROM foobar"
>>> Backend.setVersion('3')
['3']
>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar")
"SELECT CAST(X'6162636465666768' AS TEXT) FROM foobar"
"""
def escaper(value):
# Reference: http://stackoverflow.com/questions/3444335/how-do-i-quote-a-utf-8-string-literal-in-sqlite3
return "CAST(X'%s' AS TEXT)" % binascii.hexlify(value.encode(UNICODE_ENCODING) if isinstance(value, unicode) else value)
retVal = expression
if isDBMSVersionAtLeast('3'):
retVal = Syntax._escape(expression, quote, escaper)
return retVal