sqlmap/plugins/generic/syntax.py
2019-05-31 00:17:50 +02:00

46 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 re
from lib.core.convert import getBytes
from lib.core.data import conf
from lib.core.exception import SqlmapUndefinedMethod
class Syntax(object):
"""
This class defines generic syntax functionalities for plugins.
"""
def __init__(self):
pass
@staticmethod
def _escape(expression, quote=True, escaper=None):
retVal = expression
if quote:
for item in re.findall(r"'[^']*'+", expression):
original = item[1:-1]
if original:
replacement = escaper(original) if not conf.noEscape else original
if replacement != original:
retVal = retVal.replace(item, replacement)
elif len(original) != len(getBytes(original)) and "n'%s'" % original not in retVal:
retVal = retVal.replace("'%s'" % original, "n'%s'" % original)
else:
retVal = escaper(expression)
return retVal
@staticmethod
def escape(expression, quote=True):
errMsg = "'escape' method must be defined "
errMsg += "inside the specific DBMS plugin"
raise SqlmapUndefinedMethod(errMsg)