sqlmap/lib/core/decorators.py
2018-12-28 18:25:56 +01:00

49 lines
1.2 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2018 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import functools
import hashlib
from lib.core.threads import getCurrentThreadData
def cachedmethod(f, cache={}):
"""
Method with a cached content
Reference: http://code.activestate.com/recipes/325205-cache-decorator-in-python-24/
"""
@functools.wraps(f)
def _(*args, **kwargs):
key = int(hashlib.md5("|".join(str(_) for _ in (f, args, kwargs))).hexdigest(), 16) & 0x7fffffffffffffff
if key not in cache:
cache[key] = f(*args, **kwargs)
return cache[key]
return _
def stackedmethod(f):
"""
Method using pushValue/popValue functions (fallback function for stack realignment)
"""
@functools.wraps(f)
def _(*args, **kwargs):
threadData = getCurrentThreadData()
originalLevel = len(threadData.valueStack)
try:
result = f(*args, **kwargs)
finally:
if len(threadData.valueStack) > originalLevel:
threadData.valueStack = threadData.valueStack[:originalLevel]
return result
return _