Zip Password Cracker (requires dictionary)

unzipper.py

import zipfile
import optparse
from threading import Thread

def extractFile(zFile, password):
	try:
		zFile.extractall(pwd = password)
		print '[+] Found password ' + password + '\n'
	except:
		pass

def main():
	parser = optparse.OptionParser("usage%prog "+"-f <zipfile> -d <dictionary>")
	parser.add_option('-f',dest='zname',type='string',help='specify dictionary file')
	parser.add_option('-d',dest='dname',type='string',help='specify dictionary file')
	(options, args) = parser.parse_args()
	if(options.zname == None) | (options.dname == None):
		print parser.usage
		exit(0)
	else:
		zname = options.zname
		dname = options.dname
	zFile = zipfile.ZipFile(zname)
	passFile = open(dname)
	for line in passFile.readlines():
		password = line.strip('\n')
		t = Thread(target=extractFile, args=(zFile,password))
		t.start()

if __name__ == '__main__':
	main()