MITMf/libs/sslstrip/DnsCache.py
2014-12-13 21:30:55 +01:00

42 lines
900 B
Python

import logging
class DnsCache:
'''
The DnsCache maintains a cache of DNS lookups, mirroring the browser experience.
'''
_instance = None
def __init__(self):
self.customAddress = None
self.cache = {}
def cacheResolution(self, host, address):
self.cache[host] = address
def getCachedAddress(self, host):
if host in self.cache:
return self.cache[host]
return None
def getInstance():
if DnsCache._instance == None:
DnsCache._instance = DnsCache()
return DnsCache._instance
def setCustomRes(self, host, ip_address=None):
if ip_address is not None:
self.cache[host] = ip_address
logging.debug("DNS entry set: %s -> %s" %(host, ip_address))
else:
if self.customAddress is not None:
self.cache[host] = self.customAddress
def setCustomAddress(self, ip_address):
self.customAddress = ip_address
getInstance = staticmethod(getInstance)