1
0
mirror of https://github.com/spl0k/supysonic.git synced 2024-12-23 01:16:18 +00:00
supysonic/managers/user.py

128 lines
3.1 KiB
Python

# coding: utf-8
import string, random, hashlib
import uuid
from db import User, session
class UserManager:
SUCCESS = 0
INVALID_ID = 1
NO_SUCH_USER = 2
NAME_EXISTS = 3
WRONG_PASS = 4
@staticmethod
def get(uid):
if type(uid) in (str, unicode):
try:
uid = uuid.UUID(uid)
except:
return UserManager.INVALID_ID, None
elif type(uid) is uuid.UUID:
pass
else:
return UserManager.INVALID_ID, None
user = User.query.get(uid)
if user is None:
return UserManager.NO_SUCH_USER, None
return UserManager.SUCCESS, user
@staticmethod
def add(name, password, mail, admin):
if User.query.filter(User.name == name).first():
return UserManager.NAME_EXISTS
password = UserManager.__decode_password(password)
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.SUCCESS
@staticmethod
def delete(uid):
status, user = UserManager.get(uid)
if status != UserManager.SUCCESS:
return status
session.delete(user)
session.commit()
return UserManager.SUCCESS
@staticmethod
def try_auth(name, password):
password = UserManager.__decode_password(password)
user = User.query.filter(User.name == name).first()
if not user:
return UserManager.NO_SUCH_USER, None
elif UserManager.__encrypt_password(password, user.salt)[0] != user.password:
return UserManager.WRONG_PASS, None
else:
return UserManager.SUCCESS, user
@staticmethod
def change_password(uid, old_pass, new_pass):
status, user = UserManager.get(uid)
if status != UserManager.SUCCESS:
return status
old_pass = UserManager.__decode_password(old_pass)
new_pass = UserManager.__decode_password(new_pass)
if UserManager.__encrypt_password(old_pass, user.salt)[0] != user.password:
return UserManager.WRONG_PASS
user.password = UserManager.__encrypt_password(new_pass, user.salt)[0]
session.commit()
return UserManager.SUCCESS
@staticmethod
def change_password2(name, new_pass):
user = User.query.filter(User.name == name).first()
if not user:
return UserManager.NO_SUCH_USER
new_pass = UserManager.__decode_password(new_pass)
user.password = UserManager.__encrypt_password(new_pass, user.salt)[0]
session.commit()
return UserManager.SUCCESS
@staticmethod
def error_str(err):
if err == UserManager.SUCCESS:
return 'No error'
elif err == UserManager.INVALID_ID:
return 'Invalid user id'
elif err == UserManager.NO_SUCH_USER:
return 'No such user'
elif err == UserManager.NAME_EXISTS:
return 'There is already a user with that name'
elif err == UserManager.WRONG_PASS:
return 'Wrong password'
else:
return 'Unkown error'
@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
@staticmethod
def __decode_password(password):
if not password.startswith('enc:'):
return password
enc = password[4:]
ret = ''
while enc:
ret = ret + chr(int(enc[:2], 16))
enc = enc[2:]
return ret