add datatype.py

pull/3/head
wang 3 months ago
parent 165108186d
commit efcacba71e

@ -0,0 +1,248 @@
#!/usr/bin/env python
"""
Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import copy
import threading
import types
from thirdparty.odict import OrderedDict
from thirdparty.six.moves import collections_abc as _collections
class AttribDict(dict):
"""
This class defines the dictionary with added capability to access members as attributes
>>> foo = AttribDict()
>>> foo.bar = 1
>>> foo.bar
1
"""
def __init__(self, indict=None, attribute=None, keycheck=True):
if indict is None:
indict = {}
# Set any attributes here - before initialisation
# these remain as normal attributes
self.attribute = attribute
self.keycheck = keycheck
dict.__init__(self, indict)
self.__initialised = True
# After initialisation, setting attributes
# is the same as setting an item
def __getattr__(self, item):
"""
Maps values to attributes
Only called if there *is NOT* an attribute with this name
"""
try:
return self.__getitem__(item)
except KeyError:
if self.keycheck:
raise AttributeError("unable to access item '%s'" % item)
else:
return None
def __delattr__(self, item):
"""
Deletes attributes
"""
try:
return self.pop(item)
except KeyError:
if self.keycheck:
raise AttributeError("unable to access item '%s'" % item)
else:
return None
def __setattr__(self, item, value):
"""
Maps attributes to values
Only if we are initialised
"""
# This test allows attributes to be set in the __init__ method
if "_AttribDict__initialised" not in self.__dict__:
return dict.__setattr__(self, item, value)
# Any normal attributes are handled normally
elif item in self.__dict__:
dict.__setattr__(self, item, value)
else:
self.__setitem__(item, value)
def __getstate__(self):
return self.__dict__
def __setstate__(self, dict):
self.__dict__ = dict
def __deepcopy__(self, memo):
retVal = self.__class__()
memo[id(self)] = retVal
for attr in dir(self):
if not attr.startswith('_'):
value = getattr(self, attr)
if not isinstance(value, (types.BuiltinFunctionType, types.FunctionType, types.MethodType)):
setattr(retVal, attr, copy.deepcopy(value, memo))
for key, value in self.items():
retVal.__setitem__(key, copy.deepcopy(value, memo))
return retVal
class InjectionDict(AttribDict):
def __init__(self):
AttribDict.__init__(self)
self.place = None
self.parameter = None
self.ptype = None
self.prefix = None
self.suffix = None
self.clause = None
self.notes = [] # Note: https://github.com/sqlmapproject/sqlmap/issues/1888
# data is a dict with various stype, each which is a dict with
# all the information specific for that stype
self.data = AttribDict()
# conf is a dict which stores current snapshot of important
# options used during detection
self.conf = AttribDict()
self.dbms = None
self.dbms_version = None
self.os = None
# Reference: https://www.kunxi.org/2014/05/lru-cache-in-python
class LRUDict(object):
"""
This class defines the LRU dictionary
>>> foo = LRUDict(capacity=2)
>>> foo["first"] = 1
>>> foo["second"] = 2
>>> foo["third"] = 3
>>> "first" in foo
False
>>> "third" in foo
True
"""
def __init__(self, capacity):
self.capacity = capacity
self.cache = OrderedDict()
self.__lock = threading.Lock()
def __len__(self):
return len(self.cache)
def __contains__(self, key):
return key in self.cache
def __getitem__(self, key):
value = self.cache.pop(key)
self.cache[key] = value
return value
def get(self, key):
return self.__getitem__(key)
def __setitem__(self, key, value):
with self.__lock:
try:
self.cache.pop(key)
except KeyError:
if len(self.cache) >= self.capacity:
self.cache.popitem(last=False)
self.cache[key] = value
def set(self, key, value):
self.__setitem__(key, value)
def keys(self):
return self.cache.keys()
# Reference: https://code.activestate.com/recipes/576694/
class OrderedSet(_collections.MutableSet):
"""
This class defines the set with ordered (as added) items
>>> foo = OrderedSet()
>>> foo.add(1)
>>> foo.add(2)
>>> foo.add(3)
>>> foo.pop()
3
>>> foo.pop()
2
>>> foo.pop()
1
"""
def __init__(self, iterable=None):
self.end = end = []
end += [None, end, end] # sentinel node for doubly linked list
self.map = {} # key --> [key, prev, next]
if iterable is not None:
self |= iterable
def __len__(self):
return len(self.map)
def __contains__(self, key):
return key in self.map
def add(self, value):
if value not in self.map:
end = self.end
curr = end[1]
curr[2] = end[1] = self.map[value] = [value, curr, end]
def discard(self, value):
if value in self.map:
value, prev, next = self.map.pop(value)
prev[2] = next
next[1] = prev
def __iter__(self):
end = self.end
curr = end[2]
while curr is not end:
yield curr[0]
curr = curr[2]
def __reversed__(self):
end = self.end
curr = end[1]
while curr is not end:
yield curr[0]
curr = curr[1]
def pop(self, last=True):
if not self:
raise KeyError('set is empty')
key = self.end[1][0] if last else self.end[2][0]
self.discard(key)
return key
def __repr__(self):
if not self:
return '%s()' % (self.__class__.__name__,)
return '%s(%r)' % (self.__class__.__name__, list(self))
def __eq__(self, other):
if isinstance(other, OrderedSet):
return len(self) == len(other) and list(self) == list(other)
return set(self) == set(other)
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