def __init__(self):
'''
Constructor
'''
self.storage = UserDataStoreFactory().get_storage()
self.signup_validation = UserSignupValidation()
self.login_validation = LoginValidation()
self.crypt = Crypt()
class LoginValidation():
def __init__(self):
factory = UserDataStoreFactory()
self.user_datastore = factory.get_storage()
self.crypt = Crypt()
pass
def validate(self, username, password):
validation_messages = {}
is_valid = False
if not self.is_valid_login(username, password):
is_valid = False
validation_messages[VERIFICATION_MESSAGES_KEYS[5]] = VERIFICATION_MESSAGES[VERIFICATION_MESSAGES_KEYS[5]]
else:
is_valid = True
return validation_messages, is_valid
def is_valid_login(self, username, password):
is_valid = False
user = self.user_datastore.fetchByUsername(username)
if user:
user_pwd_hashed = user.password
if self.crypt.is_password_valid(username, password, user_pwd_hashed):
is_valid = True
return is_valid
class LoginValidation():
def __init__(self):
factory = UserDataStoreFactory()
self.user_datastore = factory.get_storage()
self.crypt = Crypt()
pass
def validate(self, username, password):
validation_messages = {}
is_valid = False
if not self.is_valid_login(username, password):
is_valid = False
validation_messages[VERIFICATION_MESSAGES_KEYS[
5]] = VERIFICATION_MESSAGES[VERIFICATION_MESSAGES_KEYS[5]]
else:
is_valid = True
return validation_messages, is_valid
def is_valid_login(self, username, password):
is_valid = False
user = self.user_datastore.fetchByUsername(username)
if user:
user_pwd_hashed = user.password
if self.crypt.is_password_valid(username, password,
user_pwd_hashed):
is_valid = True
return is_valid
def __init__(self):
'''
Constructor
'''
self.storage = UserDataStoreFactory().get_storage()
self.signup_validation = UserSignupValidation();
self.login_validation = LoginValidation();
self.crypt = Crypt()
def setUp(self):
# Setup mock GAE Data Store
self.testbed = testbed.Testbed()
self.testbed.activate()
self.testbed.init_datastore_v3_stub()
self.testbed.init_memcache_stub()
self.service = UserService()
factory = UserDataStoreFactory()
self.storage = factory.get_storage()
self.crypt = Crypt()
class UserService(object):
'''
User service
'''
def __init__(self):
'''
Constructor
'''
self.storage = UserDataStoreFactory().get_storage()
self.signup_validation = UserSignupValidation();
self.login_validation = LoginValidation();
self.crypt = Crypt()
def register(self, username,password,verify, email=None):
validation_msgs, isValid = self.signup_validation.validate(username=username, password=password, verify=verify, email=email)
if not isValid:
raise UserRegistrationError(validation_msgs)
else:
crypt_password = self._crypt_password(username, password)
user = UserData(username=username,password=crypt_password,email=email)
saved_user = self.storage.save(user)
user_id = saved_user.key().id()
return self.crypt.make_cookie(user_id)
def login(self,username,password, cookie):
self.check_cookie(cookie)
validation_msgs, login_ok = self.login_validation.validate(username, password)
if not login_ok:
raise LoginError(validation_msgs)
user = self.storage.fetchByUsername(username)
user_id = user.user_id
return self.crypt.make_cookie(user_id)
def logout(self, user_id):
user = self.storage.fetch(int(user_id))
user.delete()
def welcome(self, cookie):
self.check_cookie(cookie)
user_id = cookie.split('|')[0]
user = self.storage.fetch(int(user_id))
return user
def check_cookie(self, cookie):
if not cookie:
raise InvalidCookieError()
else:
cookie_ok = self.crypt.is_valid_cookie(cookie)
if not cookie_ok:
raise InvalidCookieError()
def get_user(self, user_id):
return self.storage.fetch(int(user_id))
def _crypt_password(self, username, password):
return self.crypt.crypt_password(username, password)
def _hash_user_id(self, user_id):
return self.crypt.crypt_user_id(user_id)
class UserService(object):
'''
User service
'''
def __init__(self):
'''
Constructor
'''
self.storage = UserDataStoreFactory().get_storage()
self.signup_validation = UserSignupValidation()
self.login_validation = LoginValidation()
self.crypt = Crypt()
def register(self, username, password, verify, email=None):
validation_msgs, isValid = self.signup_validation.validate(
username=username, password=password, verify=verify, email=email)
if not isValid:
raise UserRegistrationError(validation_msgs)
else:
crypt_password = self._crypt_password(username, password)
user = UserData(username=username,
password=crypt_password,
email=email)
saved_user = self.storage.save(user)
user_id = saved_user.key().id()
return self.crypt.make_cookie(user_id)
def login(self, username, password, cookie):
self.check_cookie(cookie)
validation_msgs, login_ok = self.login_validation.validate(
username, password)
if not login_ok:
raise LoginError(validation_msgs)
user = self.storage.fetchByUsername(username)
user_id = user.user_id
return self.crypt.make_cookie(user_id)
def logout(self, user_id):
user = self.storage.fetch(int(user_id))
user.delete()
def welcome(self, cookie):
self.check_cookie(cookie)
user_id = cookie.split('|')[0]
user = self.storage.fetch(int(user_id))
return user
def check_cookie(self, cookie):
if not cookie:
raise InvalidCookieError()
else:
cookie_ok = self.crypt.is_valid_cookie(cookie)
if not cookie_ok:
raise InvalidCookieError()
def get_user(self, user_id):
return self.storage.fetch(int(user_id))
def _crypt_password(self, username, password):
return self.crypt.crypt_password(username, password)
def _hash_user_id(self, user_id):
return self.crypt.crypt_user_id(user_id)
class Test(unittest.TestCase):
def setUp(self):
# Setup mock GAE Data Store
self.testbed = testbed.Testbed()
self.testbed.activate()
self.testbed.init_datastore_v3_stub()
self.testbed.init_memcache_stub()
self.service = UserService()
factory = UserDataStoreFactory()
self.storage = factory.get_storage()
self.crypt = Crypt()
def tearDown(self):
self.testbed.deactivate()
def testLogin(self):
username = '******'
password = '******'
hashed_password = self.crypt.crypt_password(username, password)
user = UserData(username=username, password=hashed_password)
self.storage.save(user)
user_id = user.key().id()
cookie = self.crypt.make_cookie(user_id)
new_cookie = self.service.login(username, password, cookie)
self.assertFalse(new_cookie == None)
self.assertEquals(user.key().id(), 1)
def testLogin_Failed(self):
username = '******'
password = '******'
hashed_password = self.crypt.crypt_password(username, password)
user = UserData(username=username, password=hashed_password)
self.storage.save(user)
user_id = user.key().id()
cookie = self.crypt.make_cookie(user_id)
try:
self.service.login(username + 'foo', password, cookie)
self.fail('Should not get here because LoginError should be raised due to bad usernames')
except LoginError as error:
self.assertEquals(error.validation_messages['login_error'], 'Invalid login')
print error
def testRegister(self):
username = '******'
password = '******'
verify = password
cookie = self.service.register(username=username, password=password, verify=verify)
print cookie
user = self.storage.fetchByUsername(username)
self.assertFalse(cookie == None)
user_id = user.key().id()
self.assertEquals(user_id, 1)
cookie_split = cookie.split('|')
self.assertTrue(cookie_split[0] == str(user_id))
self.assertFalse(cookie_split[1] == None)
self.assertFalse(cookie_split[1] == '' )
def testRegister_failed(self):
username = '******'
password = '******'
verify = password
user = UserData(username=username, password=password)
self.storage.save(user)
try:
self.service.register(username=username, password=password, verify=verify)
self.fail('Should not get here because UserRegistrationError should be raised due to the fact that user already exists')
except UserRegistrationError as error:
self.assertEquals(error.validation_messages['user_exists_error'], 'That user already exists.')
def __init__(self):
factory = UserDataStoreFactory()
self.user_datastore = factory.get_storage()
self.crypt = Crypt()
pass
def __init__(self):
factory = UserDataStoreFactory()
self.user_datastore = factory.get_storage()
self.crypt = Crypt()
pass
