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#!/usr/bin/python
import pickle
import Crypto.Cipher.Blowfish
import os
import getpass
from threading import Lock
from collections import OrderedDict
class Wallet(dict):
def __init__(self, filename):
self.filename = filename
self.lock = Lock()
if os.path.isfile(filename):
self.f = open(filename, "rb+")
self.passwd = getpass.getpass()
self.crypt = Crypto.Cipher.Blowfish.new(self.passwd)
contents_encrypted = self.f.read()
contents = self.crypt.decrypt(
contents_encrypted + "\x00" * ((-len(contents_encrypted)) % 8))
if contents.startswith(self.passwd):
self.update(dict(pickle.loads(contents[len(self.passwd):])))
else:
self.f.close()
raise BaseException, "Incorrect Password"
else:
self.f = open(filename, "wb+")
passwd = self.passwd = None
while passwd == None or passwd != self.passwd:
passwd = getpass.getpass("Enter new password: ")
self.passwd = getpass.getpass("Confirm new password: ")
if passwd != self.passwd:
print "Passwords do not match!"
self.crypt = Crypto.Cipher.Blowfish.new(self.passwd)
self.flush()
def flush(self):
contents = self.passwd + pickle.dumps(self.items(), protocol=2)
self.lock.acquire()
try:
self.f.seek(0)
self.f.write(
self.crypt.encrypt(contents + "\x00" * ((-len(contents)) % 8)))
self.f.truncate()
self.f.flush()
finally:
self.lock.release()
def json(self):
return OrderedDict([("class", "wallet.Wallet"), ("filename", self.filename)])
def __repr__(self):
return "<Wallet: %s>" % self.filename
def __str__(self):
return "<Wallet: %s>" % self.filename
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