469 lines
15 KiB
Python
469 lines
15 KiB
Python
import enum
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import random
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import arrow
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import bcrypt
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import stripe
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from arrow import Arrow
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from flask import url_for
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from flask_login import UserMixin
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from sqlalchemy import text
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from sqlalchemy_utils import ArrowType
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from app import s3
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from app.config import EMAIL_DOMAIN, MAX_NB_EMAIL_FREE_PLAN, URL
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from app.extensions import db
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from app.log import LOG
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from app.oauth_models import Scope
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from app.utils import convert_to_id, random_string, random_words
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class ModelMixin(object):
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
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created_at = db.Column(ArrowType, default=arrow.utcnow, nullable=False)
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updated_at = db.Column(ArrowType, default=None, onupdate=arrow.utcnow)
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_repr_hide = ["created_at", "updated_at"]
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@classmethod
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def query(cls):
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return db.session.query(cls)
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@classmethod
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def get(cls, id):
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return cls.query.get(id)
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@classmethod
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def get_by(cls, **kw):
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return cls.query.filter_by(**kw).first()
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@classmethod
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def filter_by(cls, **kw):
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return cls.query.filter_by(**kw)
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@classmethod
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def get_or_create(cls, **kw):
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r = cls.get_by(**kw)
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if not r:
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r = cls(**kw)
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db.session.add(r)
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return r
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@classmethod
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def create(cls, **kw):
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r = cls(**kw)
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db.session.add(r)
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return r
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def save(self):
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db.session.add(self)
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@classmethod
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def delete(cls, obj_id):
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cls.query.filter(cls.id == obj_id).delete()
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def __repr__(self):
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values = ", ".join(
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"%s=%r" % (n, getattr(self, n))
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for n in self.__table__.c.keys()
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if n not in self._repr_hide
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)
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return "%s(%s)" % (self.__class__.__name__, values)
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class File(db.Model, ModelMixin):
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path = db.Column(db.String(128), unique=True, nullable=False)
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def get_url(self):
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return s3.get_url(self.path)
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class PlanEnum(enum.Enum):
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free = 0
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trial = 1
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monthly = 2
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yearly = 3
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class User(db.Model, ModelMixin, UserMixin):
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__tablename__ = "users"
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email = db.Column(db.String(128), unique=True, nullable=False)
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salt = db.Column(db.String(128), nullable=False)
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password = db.Column(db.String(128), nullable=False)
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name = db.Column(db.String(128), nullable=False)
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is_admin = db.Column(db.Boolean, nullable=False, default=False)
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activated = db.Column(db.Boolean, default=False, nullable=False)
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plan = db.Column(
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db.Enum(PlanEnum),
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nullable=False,
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default=PlanEnum.free,
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server_default=PlanEnum.free.name,
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)
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# only relevant for trial period
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plan_expiration = db.Column(ArrowType)
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stripe_customer_id = db.Column(db.String(128), unique=True)
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stripe_card_token = db.Column(db.String(128), unique=True)
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stripe_subscription_id = db.Column(db.String(128), unique=True)
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profile_picture_id = db.Column(db.ForeignKey(File.id), nullable=True)
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is_developer = db.Column(db.Boolean, nullable=False, server_default="0")
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# contain the list of promo codes user has used. Promo codes are separated by ","
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promo_codes = db.Column(db.Text, nullable=True)
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profile_picture = db.relationship(File)
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@classmethod
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def create(cls, email, name, password=None, **kwargs):
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user: User = super(User, cls).create(email=email, name=name, **kwargs)
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if not password:
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# set a random password
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password = random_string(20)
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user.set_password(password)
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# by default new user will be trial period
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user.plan = PlanEnum.trial
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user.plan_expiration = arrow.now().shift(days=+15)
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db.session.flush()
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# create a first alias mail to show user how to use when they login
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GenEmail.create_new_gen_email(user_id=user.id)
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db.session.flush()
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return user
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def should_upgrade(self):
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"""User is invited to upgrade if they are in free plan or their trial ends soon"""
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if self.plan == PlanEnum.free:
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return True
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elif self.plan == PlanEnum.trial and self.plan_expiration < arrow.now().shift(
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weeks=1
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):
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return True
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return False
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def is_premium(self):
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return self.plan in (PlanEnum.monthly, PlanEnum.yearly)
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def can_create_custom_email(self):
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if self.is_premium():
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return True
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# plan not expired yet
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elif self.plan == PlanEnum.trial and self.plan_expiration > arrow.now():
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return True
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return False
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def can_create_new_email(self):
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if self.is_premium():
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return True
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# plan not expired yet
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elif self.plan == PlanEnum.trial and self.plan_expiration > arrow.now():
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return True
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else: # free or trial expired
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return GenEmail.filter_by(user_id=self.id).count() < MAX_NB_EMAIL_FREE_PLAN
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def set_password(self, password):
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salt = bcrypt.gensalt()
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password_hash = bcrypt.hashpw(password.encode(), salt).decode()
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self.salt = salt.decode()
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self.password = password_hash
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def check_password(self, password) -> bool:
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password_hash = bcrypt.hashpw(password.encode(), self.salt.encode())
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return self.password.encode() == password_hash
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def profile_picture_url(self):
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if self.profile_picture_id:
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return self.profile_picture.get_url()
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else:
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return url_for("static", filename="default-avatar.png")
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def plan_current_period_end(self) -> Arrow:
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if not self.stripe_subscription_id:
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LOG.error(
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"plan_current_period_end should not be called with empty stripe_subscription_id"
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)
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return None
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current_period_end_ts = stripe.Subscription.retrieve(
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self.stripe_subscription_id
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)["current_period_end"]
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return arrow.get(current_period_end_ts)
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def get_promo_codes(self) -> [str]:
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if not self.promo_codes:
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return []
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return self.promo_codes.split(",")
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def save_new_promo_code(self, promo_code):
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current_promo_codes = self.get_promo_codes()
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current_promo_codes.append(promo_code)
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self.promo_codes = ",".join(current_promo_codes)
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def suggested_emails(self) -> (str, [str]):
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"""return suggested email and other email choices """
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all_gen_emails = [ge.email for ge in GenEmail.filter_by(user_id=self.id)]
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if self.can_create_new_email():
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# create a new email
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suggested_gen_email = generate_email()
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else:
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# pick an email from the list of gen emails
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suggested_gen_email = random.choice(all_gen_emails)
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return (
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suggested_gen_email,
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list(set(all_gen_emails).difference(set([suggested_gen_email]))),
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)
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def suggested_names(self) -> (str, [str]):
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"""return suggested name and other name choices """
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other_name = convert_to_id(self.name)
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return self.name, [other_name, "Anonymous", "whoami"]
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class ActivationCode(db.Model, ModelMixin):
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"""For activate user account"""
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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code = db.Column(db.String(128), unique=True, nullable=False)
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user = db.relationship(User)
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expired = db.Column(ArrowType)
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class ResetPasswordCode(db.Model, ModelMixin):
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"""For resetting password"""
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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code = db.Column(db.String(128), unique=True, nullable=False)
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user = db.relationship(User)
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expired = db.Column(ArrowType, nullable=False)
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class Partner(db.Model, ModelMixin):
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email = db.Column(db.String(128))
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name = db.Column(db.String(128))
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website = db.Column(db.String(1024))
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additional_information = db.Column(db.Text)
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# If apply from a authenticated user, set user_id to the user who has applied for partnership
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=True)
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# <<< OAUTH models >>>
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def generate_oauth_client_id(client_name) -> str:
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oauth_client_id = convert_to_id(client_name) + "-" + random_string()
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# check that the client does not exist yet
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if not Client.get_by(oauth_client_id=oauth_client_id):
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LOG.debug("generate oauth_client_id %s", oauth_client_id)
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return oauth_client_id
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# Rerun the function
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LOG.warning(
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"client_id %s already exists, generate a new client_id", oauth_client_id
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)
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return generate_oauth_client_id(client_name)
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class Client(db.Model, ModelMixin):
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oauth_client_id = db.Column(db.String(128), unique=True, nullable=False)
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oauth_client_secret = db.Column(db.String(128), nullable=False)
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name = db.Column(db.String(128), nullable=False)
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home_url = db.Column(db.String(1024))
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published = db.Column(db.Boolean, default=False, nullable=False)
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# user who created this client
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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icon_id = db.Column(db.ForeignKey(File.id), nullable=True)
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icon = db.relationship(File)
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def nb_user(self):
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return ClientUser.filter_by(client_id=self.id).count()
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def get_scopes(self) -> [Scope]:
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# todo: client can choose which scopes they want to have access
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return [Scope.NAME, Scope.EMAIL, Scope.AVATAR_URL]
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@classmethod
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def create_new(cls, name, user_id) -> "Client":
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# generate a client-id
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oauth_client_id = generate_oauth_client_id(name)
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oauth_client_secret = random_string(40)
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client = Client.create(
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name=name,
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oauth_client_id=oauth_client_id,
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oauth_client_secret=oauth_client_secret,
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user_id=user_id,
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)
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return client
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def get_icon_url(self):
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if self.icon_id:
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return self.icon.get_url()
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else:
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return URL + "/static/default-icon.svg"
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class RedirectUri(db.Model, ModelMixin):
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"""Valid redirect uris for a client"""
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client_id = db.Column(db.ForeignKey(Client.id, ondelete="cascade"), nullable=False)
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uri = db.Column(db.String(1024), nullable=False)
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client = db.relationship(Client, backref="redirect_uris")
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class AuthorizationCode(db.Model, ModelMixin):
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code = db.Column(db.String(128), unique=True, nullable=False)
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client_id = db.Column(db.ForeignKey(Client.id, ondelete="cascade"), nullable=False)
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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scope = db.Column(db.String(128))
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redirect_uri = db.Column(db.String(1024))
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user = db.relationship(User, lazy=False)
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client = db.relationship(Client, lazy=False)
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class OauthToken(db.Model, ModelMixin):
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access_token = db.Column(db.String(128), unique=True)
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client_id = db.Column(db.ForeignKey(Client.id, ondelete="cascade"), nullable=False)
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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scope = db.Column(db.String(128))
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redirect_uri = db.Column(db.String(1024))
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user = db.relationship(User)
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client = db.relationship(Client)
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def generate_email() -> str:
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"""generate an email address that does not exist before"""
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random_email = random_words() + "@" + EMAIL_DOMAIN
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# check that the client does not exist yet
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if not GenEmail.get_by(email=random_email):
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LOG.debug("generate email %s", random_email)
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return random_email
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# Rerun the function
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LOG.warning("email %s already exists, generate a new email", random_email)
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return generate_email()
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class GenEmail(db.Model, ModelMixin):
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"""Generated email"""
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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email = db.Column(db.String(128), unique=True, nullable=False)
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enabled = db.Column(db.Boolean(), default=True, nullable=False)
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# this email has been customized by user, i.e. not generated randomly
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custom = db.Column(db.Boolean(), default=False, nullable=False, server_default="0")
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@classmethod
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def create_new_gen_email(cls, user_id):
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random_email = generate_email()
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return GenEmail.create(user_id=user_id, email=random_email)
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def __repr__(self):
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return f"<GenEmail {self.id} {self.email}>"
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class ClientUser(db.Model, ModelMixin):
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__table_args__ = (
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db.UniqueConstraint("user_id", "client_id", name="uq_client_user"),
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)
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user_id = db.Column(db.ForeignKey(User.id, ondelete="cascade"), nullable=False)
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client_id = db.Column(db.ForeignKey(Client.id, ondelete="cascade"), nullable=False)
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# Null means client has access to user original email
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gen_email_id = db.Column(
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db.ForeignKey(GenEmail.id, ondelete="cascade"), nullable=True
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)
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# user can decide to send to client another name
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name = db.Column(
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db.String(128), nullable=True, default=None, server_default=text("NULL")
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)
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# user can decide to send to client a default avatar
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default_avatar = db.Column(
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db.Boolean, nullable=False, default=False, server_default="0"
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)
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gen_email = db.relationship(GenEmail, backref="client_users")
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user = db.relationship(User)
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client = db.relationship(Client)
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def get_email(self):
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return self.gen_email.email if self.gen_email_id else self.user.email
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def get_user_info(self) -> dict:
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"""return user info according to client scope
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Return dict with key being scope name. For now all the fields are the same for all clients:
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{
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"client": "Demo",
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"email": "test-avk5l@mail-tester.com",
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"email_verified": true,
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"id": 1,
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"name": "Son GM",
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"avatar_url": "http://s3..."
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}
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"""
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res = {"id": self.id, "client": self.client.name, "email_verified": True}
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for scope in self.client.get_scopes():
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if scope == Scope.NAME:
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if self.name:
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res[Scope.NAME.value] = self.name
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else:
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res[Scope.NAME.value] = self.user.name
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elif scope == Scope.AVATAR_URL:
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if self.user.profile_picture_id:
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if self.default_avatar:
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res[Scope.AVATAR_URL.value] = URL + "/static/default-avatar.png"
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else:
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res[
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Scope.AVATAR_URL.value
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] = self.user.profile_picture.get_url()
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else:
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res[Scope.AVATAR_URL.value] = None
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elif scope == Scope.EMAIL:
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# Use generated email
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if self.gen_email_id:
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LOG.debug(
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"Use gen email for user %s, client %s", self.user, self.client
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)
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res[Scope.EMAIL.value] = self.gen_email.email
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# Use user original email
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else:
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res[Scope.EMAIL.value] = self.user.email
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return res
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