def is_token_revoked(decoded_token):
"""
Checks if the given token is revoked or not. Because we are adding all the
tokens that we create into this database, if the token is not present
in the database we are going to consider it revoked, as we don't know where
it was created.
:param decoded_token:
"""
jti = decoded_token['jti']
cache = Cache()
if cache.get('token_' + jti) is None:
return True
token = eval(cache.get('token_' + jti).decode("utf-8"))
if token is not None:
return token['revoked']
else:
db = Mysql()
token = db.execute_select(
"SELECT * FROM `user_session` WHERE `jti` = %s", (jti, ))
if len(token) > 0:
return token[0]['revoked']
else:
return True
def post(self):
# Get and validate input data
_user_parser = reqparse.RequestParser()
_user_parser.add_argument('email',
type=str,
required=True,
location="json")
_user_parser.add_argument('password',
type=str,
required=False,
location="json")
_user_parser.add_argument('facebook_id',
type=str,
required=False,
location="json")
data = _user_parser.parse_args()
if data['facebook_id'] is None and data['password'] is None:
return {
'message': 'Invalid input data.',
'error_code': 'invalid_request'
}, 400
# Check if this user already exists
db = Mysql()
user = db.execute_select("SELECT * FROM `user` WHERE `email` = %s",
(data['email'], ))
if len(user) > 0:
if user[0]['facebook_id'] == "" and data['facebook_id'] is not None:
db.execute(
"UPDATE `user` SET `facebook_id` = %s WHERE `email` = %s",
(data['facebook_id'], data['email']))
return {
'message': 'A user with that email already exists',
'error_code': 'user_exists'
}, 400
# Create user
if data['facebook_id'] is not None:
# facebook_id
db.execute(
"INSERT INTO `user` (`email`, `facebook_id`, `is_active`) VALUES(%s, %s, %s)",
(data['email'], data['facebook_id'], 1))
else:
activation_key = generate_activation_key()
db.execute(
"INSERT INTO `user` (`email`, `password`, `activation_key`) VALUES(%s, %s, %s)",
(data['email'], generate_password_hash(
data['password']), activation_key))
# Send activation mail
mailer = Mailer()
mailer.send('user_register_and_activation',
data['email'],
USER_ACTIVATION_URL=config['general']['public_domain'] +
'/u/activation/key' + activation_key,
USER_EMAIL=data['email'])
return [], 201
def post(self, email: str):
# Check if this user exists
db = Mysql()
user = db.execute_select(
"SELECT u.`id`, up.`first_name` FROM `user` AS u LEFT JOIN `user_profile` AS up ON up.`user_id` = u.`id` WHERE u.`email` = %s",
(email, ))
if len(user) == 0:
return {
'message': 'A user with that email does not exist',
'error_code': 'user_does_not_exist'
}, 400
# Set forgotten password key and return it
forgotten_password_key = generate_activation_key()
forgotten_password_key_expires_on = (
datetime.datetime.now() +
relativedelta(weeks=self.forgotten_password_key_expiration_period)
).strftime('%Y-%m-%d 00:00:00')
db.execute(
"UPDATE `user` SET `forgotten_password_key` = %s, `forgotten_password_key_expires_on` = %s WHERE `email` = %s",
(forgotten_password_key, forgotten_password_key_expires_on, email))
# Send activation request mail
mailer = Mailer()
mailer.send(
'user_password_reset',
email,
USERS_FIRST_NAME=user[0]['first_name'],
USER_FORGOTTEN_PASSWORD_URL=config['general']['public_domain'] +
'/u/forgotten/password/key' + forgotten_password_key)
return {'password_reset_key': forgotten_password_key}, 200
def post(self):
# Validate and get input vars
_user_parser = reqparse.RequestParser()
_user_parser.add_argument('email', type=str, required=True)
_user_parser.add_argument('password', type=str, required=False)
_user_parser.add_argument('facebook_id', type=str, required=False)
data = _user_parser.parse_args()
if data['facebook_id'] is None and data['password'] is None:
return {
'message': 'Invalid input data.',
'error_code': 'invalid_request'
}, 400
# Check user
db = Mysql()
user = db.execute_select(
"SELECT `id`, `facebook_id`, `password` FROM `user` WHERE `email` = %s LIMIT 1",
(data['email'], ))
if data['facebook_id'] is not None:
if len(user
) == 1 and user[0]['facebook_id'] == data['facebook_id']:
pass
else:
return {
'message': 'Invalid email or password.',
'error_code': 'invalid_credentials'
}, 401
else:
if len(user) == 1 and check_password_hash(user[0]['password'],
data['password']):
pass
else:
return {
'message': 'Invalid email or password.',
'error_code': 'invalid_credentials'
}, 401
# Create the JWT tokens
expires_delta = datetime.timedelta(
days=config['auth']['access_token']['expires_delta'])
access_token = create_access_token(identity=user[0]['id'],
expires_delta=expires_delta)
refresh_token = create_refresh_token(identity=user[0]['id'],
expires_delta=expires_delta)
# Store the tokens in our store with a status of not currently revoked.
add_token_to_database(access_token,
'identity') # app.config['JWT_IDENTITY_CLAIM']
add_token_to_database(refresh_token,
'identity') # app.config['JWT_IDENTITY_CLAIM']
return {
'access_token': access_token,
'refresh_token': refresh_token
}, 201
def generate_activation_key():
'''
Generates an unique activation key.
'''
activation_key = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(20))
db = Mysql()
user = db.execute_select("SELECT u.`id` FROM `user` AS u WHERE u.`activation_key` = %s", (activation_key,))
if len(user) > 0:
activation_key = generate_activation_key()
return activation_key
def generate_forgotten_password_key():
'''
Generates an unique forgotten password key.
'''
forgotten_password_key = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(20))
db = Mysql()
user = db.execute_select("SELECT u.`id` FROM `user` AS u WHERE u.`forgotten_password_key` = %s", (forgotten_password_key,))
if len(user) > 0:
forgotten_password_key = generate_forgotten_password_key()
return forgotten_password_key
def get_user_tokens(user_identity):
"""
Returns all of the tokens, revoked and unrevoked, that are stored for the
given user
:param user_identity:
"""
db = Mysql()
return db.execute_select(
"SELECT * FROM `user_session` WHERE `user_identity` = %s",
(user_identity, ))
def get(self):
user_identity = get_jwt_identity()
db = Mysql()
user = db.execute_select(
"SELECT up.*, u.`email` FROM `user_profile` AS up LEFT JOIN `user` AS u ON u.`id` = up.`user_id` WHERE up.`user_id` = %s",
(user_identity, ))
if len(user) == 0:
return {
'message': 'User not found.',
'error_code': 'user_not_found'
}, 400
return user[0]
def get(self):
user_identity = get_jwt_identity()
db = Mysql()
user = db.execute_select(
"SELECT `profile_image_url` FROM `user_profile` WHERE `user_id` = %s",
(user_identity, ))
if user[0]['profile_image_url'] != '':
return {'profile_image_url': user[0]['profile_image_url']}
return {
'profile_image_url':
config['general']['file_storage'] + 'default.jpg'
}
def prune_database():
"""
Delete tokens that have expired from the database.
How (and if) you call this is entirely up you. You could expose it to an
endpoint that only administrators could call, you could run it as a cron,
set it up with flask cli, etc.
"""
now = datetime.now()
db = Mysql()
expired_tokens = db.execute_select(
"SELECT * FROM `user_session` WHERE `expires` < NOW()", (now, ))
for expired_token in expired_tokens:
cache = Cache()
cache.delete('token_' + expired_token['jti'])
db.execute("DELETE FROM `user_session` WHERE `expires` < %s", (now, ))
def put(self, activation_key: str):
# Check if this user already exists
db = Mysql()
user = db.execute_select(
"SELECT * FROM `user` WHERE `activation_key` = %s",
(activation_key, ))
if len(user) == 0:
return {
'message': 'The activation key is invalid.',
'error_code': 'invalid_activation_key'
}, 400
db.execute(
"UPDATE `user` SET `activation_key` = %s, `is_active` = %s WHERE `activation_key` = %s",
('', 1, activation_key))
return [], 200
def delete(self):
user_identity = get_jwt_identity()
db = Mysql()
user = db.execute_select(
"SELECT `profile_image_url` FROM `user_profile` WHERE `user_id` = %s",
(user_identity, ))
if user[0]['profile_image_url'] != '':
basedir = os.path.abspath(os.path.dirname(__file__))
delete_path = basedir + user[0]['profile_image_url']
os.remove(delete_path)
db.execute(
"UPDATE `user_profile` SET `profile_image_url` = %s WHERE `user_id` = %s",
(
'',
user_identity,
))
return [], 200
def delete_tokens(token_ids_list, user_identity):
"""
Delete tokens.
:param tokens: List of tokens
:type tokens: list
"""
# Delete from cache
db = Mysql()
tokens = db.execute_select(
"SELECT `jti` FROM `user_session` WHERE `user_id` = %s AND `id` IN (%s)",
(user_identity, token_ids_list))
if len(tokens) > 0:
for token in tokens:
cache = Cache()
cache.delete('token_' + token['jti'])
# Delete from DB
db.execute(
"DELETE FROM `user_session` WHERE `user_id` = %s AND `id` IN (%s)",
(user_identity, token_ids_list))
def put(self, password_reset_key: str):
# Check if this user already exists
db = Mysql()
user = db.execute_select(
"SELECT * FROM `user` WHERE `forgotten_password_key` = %s AND `forgotten_password_key_expires_on` > NOW()",
(password_reset_key, ))
if len(user) == 0:
return {
'message': 'The password reset key is invalid or expired.',
'error_code': 'invalid_password_reset_key'
}, 400
# Get password and password confirm and check their validity
_user_parser = reqparse.RequestParser()
_user_parser.add_argument("password",
type=str,
required=True,
location="json")
_user_parser.add_argument("password_confirm",
type=str,
required=True,
location="json")
data = _user_parser.parse_args()
if data['password'] != data['password_confirm'] or len(
data['password']) < 8 or len(data['password']) > 255:
return {
'message': 'Invalid input data.',
'error_code': 'invalid_request'
}, 400
# Update users password
db.execute(
"UPDATE `user` SET `password` = %s, `forgotten_password_key` = %s, `forgotten_password_key_expires_on` = %s WHERE `forgotten_password_key` = %s",
(generate_password_hash(
data['password']), '', '', password_reset_key))
return [], 200
def revoke_token(token_id, user_identity):
"""
Revokes the given token. Raises a TokenNotFound error if the token does not exist in the database.
:param token_id: Id of the token
:param user_identity:
:type token_id: int
"""
db = Mysql()
token = db.execute_select(
"SELECT * FROM `user_session` WHERE `user_identity` = %s AND `id` = %s",
(user_identity, token_id))
if len(token) > 0:
token = token[0]
token['revoked'] = 1
cache = Cache()
cache.set('token_' + token['jti'], str(token))
db.execute(
"UPDATE `user_session` SET `revoked` = %s WHERE `user_identity` = %s AND `id` = %s",
(1, user_identity, token_id))
else:
return False
def get(self, email: str):
# Check if this user already exists
db = Mysql()
user = db.execute_select(
"SELECT u.`activation_key`, up.`first_name` FROM `user` AS u LEFT JOIN `user_profile` AS up ON up.`user_id` = u.`id` WHERE u.`email` = %s",
(email, ))
if len(user) == 0:
return {
'message': 'A user with that email does not exist',
'error_code': 'user_does_not_exist'
}, 400
# Send activation request mail
mailer = Mailer()
mailer.send('user_request_activation',
email,
USERS_FIRST_NAME=user[0]['first_name'],
USER_EMAIL=email,
USER_ACTIVATION_URL=config['general']['public_domain'] +
'/u/activation/key' + user[0]['activation_key'])
return {'activation_key': user[0]['activation_key']}, 200
