class User(db.Model):
""" User Model for storing user related details """
__tablename__ = "users"
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
pseudo = db.Column(db.String(255), unique=True, nullable=False)
email = db.Column(db.String(255), unique=True, nullable=False)
registered_on = db.Column(db.DateTime, nullable=False)
password = db.Column(db.String(255), nullable=False)
search_queries = db.relationship('Search_query', backref='user')
folders = db.relationship('Folder', backref='user')
def __init__(self, email, pseudo, password):
self.email = email
self.pseudo = pseudo
self.registered_on = datetime.datetime.now()
self.password = bcrypt.generate_password_hash(
password, app.config.get('BCRYPT_LOG_ROUNDS')).decode()
def encode_auth_token(self, user_id):
"""
Generates the Auth Token
:return: string
"""
try:
payload = {
'exp':
datetime.datetime.utcnow() +
datetime.timedelta(days=0, hours=4),
'iat':
datetime.datetime.utcnow(),
'sub':
user_id
}
return jwt.encode(payload,
app.config.get('SECRET_KEY'),
algorithm='HS256')
except Exception as e:
return e
@staticmethod
def decode_auth_token(auth_token):
"""
Validates the auth token
:param auth_token:
:return: integer|string
"""
try:
payload = jwt.decode(auth_token, app.config.get('SECRET_KEY'))
is_blacklisted_token = BlacklistToken.check_blacklist(auth_token)
if is_blacklisted_token:
return 'Token blacklisted. Please log in again.'
else:
return payload['sub']
except jwt.ExpiredSignatureError:
return 'Signature expired. Please log in again.'
except jwt.InvalidTokenError:
return 'Invalid token. Please log in again.'
class BlacklistToken(db.Model):
"""
Token Model for storing JWT tokens
"""
__tablename__ = 'blacklist_token'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
token = db.Column(db.String(500), unique=True, nullable=False)
blacklisted_on = db.Column(db.DateTime, nullable=False)
def __init__(self, token):
self.token = token
self.blacklisted_on = datetime.datetime.now()
def __repr__(self):
return '<id: token: {}'.format(self.token)
@staticmethod
def check_blacklist(auth_token):
# check whether auth token has been blacklisted
res = BlacklistToken.query.filter_by(token=str(auth_token)).first()
if res:
return True
else:
return False
class Search_query(db.Model):
"""
Token Model for storing user's history
"""
__tablename__ = 'search_query'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
query_date = db.Column(db.DateTime, nullable=False)
tsv = db.Column(db.Text, nullable=False)
model = db.Column(db.String(500), nullable=False)
results = db.Column(db.Text, nullable=False)
def __init__(self, user_id, tsv, model, results):
self.user_id = user_id
self.query_date = datetime.datetime.now()
self.tsv = tsv
self.model = model
self.results = results