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sslstrip/DnsCache.py

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+
+class DnsCache:    
+
+    '''
+    The DnsCache maintains a cache of DNS lookups, mirroring the browser experience.
+    '''
+
+    _instance          = None
+
+    def __init__(self):
+        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
+
+    getInstance = staticmethod(getInstance)