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Remove the files.

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/parkinglot@654 e5f2f494-b856-4b98-b285-d166d9295462
This commit is contained in:
Likun Zhang
2010-01-29 20:35:13 +00:00
parent f80129031a
commit d43892ec01
2 changed files with 0 additions and 61 deletions

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Create user and its password by run the following command:
python usr_mgr.py
The user and its password is saved in file 'passwd.csv'.

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'''
This file implements user management program. The user name and
its password is saved in csv file.
'''
import random
from hashlib import sha1
import csv
class PasswordHash(object):
def __init__(self, password_):
self.salt = "".join(chr(random.randint(33, 127)) for x in range(64))
self.saltedpw = sha1((password_ + self.salt).encode()).hexdigest()
def check_password(self, password_):
"""checks if the password is correct"""
return self.saltedpw == sha1((password_ + self.salt).encode()).hexdigest()
# Note: a secure application would never store passwords in plaintext in the source code
def check_username(name):
csvfile = open('passwd.csv')
ret = 0
reader = csv.reader(csvfile)
for row in reader:
if name == row[0]:
ret = 1
break
csvfile.close()
return ret
def save_info(name,pw,salt):
csvfile = open('passwd.csv', 'a')
writer = csv.writer(csvfile)
writer.writerow([name, pw, salt])
csvfile.close()
def register():
flag = True
# create the file if it doesn't exist
csvfile = open('passwd.csv', "w")
csvfile.close()
while flag :
username = input("username:")
passwd = input("passwd:")
if check_username(username):
print("the usename already exist!")
else :
pwhash = PasswordHash(passwd)
save_info(username,pwhash.saltedpw, pwhash.salt)
print("register success!")
flag = False
register()