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model.py
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model.py
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from api import app
from flask_sqlalchemy import SQLAlchemy
from passlib.apps import custom_app_context as pwd_context
from itsdangerous import (TimedJSONWebSignatureSerializer as Serializer, BadSignature, SignatureExpired)
app.config['SECRET_KEY'] = 'the quick brown fox jumps over the lazy dog'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///db.sqlite'
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True
# extensions
db = SQLAlchemy(app)
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(32), index=True)
password_hash = db.Column(db.String(64))
def hash_password(self, password):
self.password_hash = pwd_context.encrypt(password)
def verify_password(self, password):
return pwd_context.verify(password, self.password_hash)
def generate_auth_token(self, expiration=600):
s = Serializer(app.config['SECRET_KEY'], expires_in=expiration)
return s.dumps({'id': self.id})
@staticmethod
def verify_auth_token(token):
s = Serializer(app.config['SECRET_KEY'])
try:
data = s.loads(token)
except SignatureExpired:
return None # valid token, but expired
except BadSignature:
return None # invalid token
user = User.query.get(data['id'])
return user