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supysonic/user_manager.py

69 lines
1.6 KiB
Python
Executable File

# coding: utf-8
import string, random, hashlib
import uuid
from db import User, session
class UserManager:
ADD_SUCCESS = 0
ADD_NAME_EXISTS = 1
DEL_SUCCESS = 0
DEL_INVALID_ID = 1
DEL_NO_SUCH_USER = 2
LOGIN_SUCCESS = 0
LOGIN_NO_SUCH_USER = 1
LOGIN_WRONG_PASS = 2
@staticmethod
def add(name, password, mail, admin):
if User.query.filter(User.name == name).first():
return UserManager.ADD_NAME_EXISTS
crypt, salt = UserManager.__encrypt_password(password)
user = User(name = name, mail = mail, password = crypt, salt = salt, admin = admin)
session.add(user)
session.commit()
return UserManager.ADD_SUCCESS
@staticmethod
def delete(uid):
if type(uid) in (str, unicode):
try:
uid = uuid.UUID(uid)
except:
return UserManager.DEL_INVALID_ID
elif type(uid) is uuid.UUID:
pass
else:
return UserManager.DEL_INVALID_ID
user = User.query.get(uid)
if user is None:
return UserManager.DEL_NO_SUCH_USER
session.delete(user)
session.commit()
return UserManager.DEL_SUCCESS
@staticmethod
def try_auth(name, password):
user = User.query.filter(User.name == name).first()
if not user:
return UserManager.LOGIN_NO_SUCH_USER, None
elif UserManager.__encrypt_password(password, user.salt)[0] != user.password:
return UserManager.LOGIN_WRONG_PASS, None
else:
return UserManager.LOGIN_SUCCESS, user
@staticmethod
def __encrypt_password(password, salt = None):
if salt is None:
salt = ''.join(random.choice(string.printable.strip()) for i in xrange(6))
return hashlib.sha1(salt + password).hexdigest(), salt