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#!/usr/bin/env python
"""
Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.LOWEST
def dependencies():
pass
def tamper(payload, **kwargs):
"""
Replaces single quotes (') with their UTF-8 full-width equivalents (e.g. ' -> %EF%BC%87)
References:
* http://www.utf8-chartable.de/unicode-utf8-table.pl?start=65280&number=128
* https://web.archive.org/web/20130614183121/http://lukasz.pilorz.net/testy/unicode_conversion/
* https://web.archive.org/web/20131121094431/sla.ckers.org/forum/read.php?13,11562,11850
* https://web.archive.org/web/20070624194958/http://lukasz.pilorz.net/testy/full_width_utf/index.phps
>>> tamper("1 AND '1'='1")
'1 AND %EF%BC%871%EF%BC%87=%EF%BC%871'
"""
return payload.replace('\'', "%EF%BC%87") if payload else payload
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