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124 lines
4.6 KiB
Python
124 lines
4.6 KiB
Python
from datetime import datetime
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from flask_login import UserMixin
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from werkzeug.security import generate_password_hash, check_password_hash
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from app import db, login
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# Just a note, my role system is really quite terrible, but I've implemented as good as a system as I can for a simple RBAC without Hierarchy.
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# Once could create a complex system, but it would be better to properly work with SQLAlchemy to create proper permissions, hierarchy, parent/child etc. rather than to work with simple strings.
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# One should look into perhaps Pickled Python objects if they were interested in simplifying interactions while opening a lot more data storage.
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@login.user_loader
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class User(UserMixin, db.Model):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(64), index=True, unique=True)
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email = db.Column(db.String(120), index=True, unique=True)
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register_timestamp = db.Column(db.DateTime, default=datetime.utcnow)
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password_hash = db.Column(db.String(64))
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posts = db.relationship("Post", backref="author", lazy="dynamic")
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search_history = db.relationship("Search", backref="user", lazy="dynamic")
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uroles = db.Column(db.String(80), default="")
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about_me = db.Column(db.String(320))
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last_seen = db.Column(db.DateTime, default=datetime.utcnow)
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show_email = db.Column(db.Boolean, default=False)
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def set_password(self, password):
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self.password_hash = generate_password_hash(password)
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def check_password(self, password):
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if self.password_hash is None:
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raise "{} has no password_hash set!".format(self.__repr__())
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return check_password_hash(self.password_hash, password)
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# Retains order while making sure that there are no duplicate role values and they are capitalized
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def post_role_processing(self):
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user_roles = self.get_roles()
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user_roles = list(dict.fromkeys(user_roles))
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self.uroles = " ".join([role.title() for role in user_roles])
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self.uroles = self.uroles.strip()
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def delete_role(self, role):
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return self.delete_roles([role])
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# Will return True if successful, else False if a role didn't exist
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def delete_roles(self, roles, ignore=True):
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user_roles = self.get_roles()
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success = True
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for role in roles:
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try:
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user_roles.remove(role)
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except ValueError as e:
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if not ignore:
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raise e
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success = False
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return success
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def get_roles(self):
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return self.uroles.split(" ")
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def add_role(self, role):
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self.add_roles([role])
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def add_roles(self, roles, postprocess=True):
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user_roles = self.get_roles()
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# Ensure whitespace is replaced with a underscore
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roles = ["_".join(role.split()) for role in roles]
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if type(roles) == str:
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user_roles.append(roles)
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elif type(roles) == list:
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user_roles.extend(roles)
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user_roles = " ".join(user_roles)
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self.uroles = user_roles
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if postprocess:
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self.post_role_processing()
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def has_role(self, role):
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return self.has_roles([role])
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# Input: ['Insane', ['Fortunate', 'Blessed']]
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# Meaning: Must have 'Insane' role, as well as 'Fortunate' or 'Blessed' roles.
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def has_roles(self, roles):
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user_roles = self.get_roles()
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for reqrole in roles:
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# If we have this role
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if type(reqrole) == str:
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if reqrole not in user_roles:
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return False
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# If we have any of these roles
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elif type(reqrole) == list:
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if not any([subreqrole in user_roles for subreqrole in reqrole]):
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return False
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return True
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def __repr__(self):
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return "<User {}>".format(self.username)
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class Search(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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exact_url = db.Column(db.String(160))
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query_args = db.Column(db.String(120))
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timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
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user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
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def __repr__(self):
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return "<Search by {} @ {}>".format(
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User.query.filter_by(id=self.user_id).first().username, self.timestamp
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)
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class Post(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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body = db.Column(db.String(140))
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timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
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user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
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def __repr__(self):
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return "<Post {}>".format(self.body)
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@login.user_loader
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def load_user(id):
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return User.query.get(int(id))
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