1 files changed, 37 insertions, 0 deletions
diff --git a/wallet.py b/wallet.py
new file mode 100644
index 0000000..05321f0
--- /dev/null
+++ b/wallet.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python
+import pickle, Crypto.Cipher.Blowfish, os, getpass
+from threading import Lock
+
+class Wallet(dict):
+	def __init__(self, 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()