mirror of
https://github.com/RYGhub/royalnet.git
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100 lines
No EOL
3.2 KiB
Python
100 lines
No EOL
3.2 KiB
Python
import sqlalchemy.exc
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from sqlalchemy import create_engine, Column, Integer, String, Boolean
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy.ext.declarative import declarative_base
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import bcrypt
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class NoUsersMatchingError(Exception):
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pass
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class InvalidPasswordError(Exception):
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pass
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# Initialize the database
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engine = create_engine("sqlite:///db.sqlite")
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Base = declarative_base()
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Session = sessionmaker(bind=engine)
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class User(Base):
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__tablename__ = "members"
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id = Column(Integer, primary_key=True)
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username = Column(String, unique=True, nullable=False)
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password = Column(String, nullable=False)
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royal = Column(Boolean, nullable=False)
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telegram_id = Column(Integer, unique=True)
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discord_id = Column(Integer, unique=True)
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def __str__(self):
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return self.username
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def __repr__(self):
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return f"<User {self.id}: {self.username}>"
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Base.metadata.create_all(engine)
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def create_user(username, password, royal=False):
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"""Create a new user and add it to the database."""
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# Create a new session
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session = Session()
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# Hash the password with bcrypt
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hashed_password = bcrypt.hashpw(password.encode("utf8"), bcrypt.gensalt())
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# Create a new user
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new_member = User(username=username, password=hashed_password, royal=royal)
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# Add the newly created member to the session
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session.add(new_member)
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# Commit the changes
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session.commit()
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# TODO: check for vulnerabilities
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def change_password(username, newpassword):
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# Create a new session
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session = Session()
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# Hash the new password using bcrypt
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hashed_password = bcrypt.hashpw(newpassword.encode("utf8"), bcrypt.gensalt())
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# Find the user entry
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users = session.query(User).filter_by(username=username).all()
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if len(users) == 0:
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raise NoUsersMatchingError("No users with the specified username found.")
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db_user = users[0]
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# Change the password and commit
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db_user.password = hashed_password
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session.commit()
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def login(username, password, enable_exceptions=False):
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"""Try to login using the database password. The session is always returned, while the user object is returned if the login is successful."""
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# Create a new session
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session = Session()
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# Find the matching user
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users = session.query(User).filter_by(username=username).all()
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# No user with a matching username found
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if len(users) == 0:
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if enable_exceptions:
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raise NoUsersMatchingError("No users with the specified username found.")
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else:
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return session, None
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db_user = users[0]
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# Test the password and return the session and the user if successful
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if bcrypt.hashpw(password.encode("utf8"), db_user.password) == db_user.password:
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# TODO: Maybe there's a better way to do this?
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return session, db_user
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else:
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if enable_exceptions:
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raise InvalidPasswordError("The specified password doesn't match the user's.")
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else:
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return session, None
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def init_royal_db():
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create_user("test", "test", True)
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session = Session()
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# Generate the database if it's empty
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if session.query(User).first() is None:
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init_royal_db()
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del session |