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import re
from datetime import UTC, datetime
from uuid import UUID, uuid7
from sqlalchemy import DateTime
from sqlmodel import Field, Relationship, SQLModel
from starlette.authentication import BaseUser
from authentication.mixins import (
OAuth2AuthorizationCodeMixin,
OAuth2ClientMixin,
OAuth2TokenMixin,
)
from authentication.utils import bcrypt_sha256_hash
class BaseModel(SQLModel):
id: UUID | None = Field(primary_key=True, default_factory=uuid7)
created: datetime = Field(
default_factory=lambda: datetime.now(tz=UTC),
sa_type=DateTime(timezone=True),
)
updated: datetime = Field(
default=None,
nullable=True,
sa_column_kwargs={
"onupdate": lambda: datetime.now(tz=UTC),
},
sa_type=DateTime(timezone=True),
)
class User(BaseModel, BaseUser, table=True):
username: str = Field(unique=True, index=True)
password: str = Field(nullable=False)
email: str
def set_password(self, value):
self.password = bcrypt_sha256_hash(value)
def is_authenticated(self) -> bool:
return True
class Session(BaseModel, table=True):
user_id: UUID = Field(foreign_key="user.id", exclude=True)
user: User = Relationship()
class ClientApplication(BaseModel, OAuth2ClientMixin, table=True):
name: str
def check_redirect_uri(self, redirect_uri: str) -> bool:
return any(
re.fullmatch(re.escape(str(pattern)).replace(r"\*", r"\d+"), redirect_uri)
for pattern in self.redirect_uris
)
class AuthCode(BaseModel, OAuth2AuthorizationCodeMixin, table=True):
user_id: UUID = Field(foreign_key="user.id", ondelete="CASCADE")
user: User = Relationship()
class AuthToken(BaseModel, OAuth2TokenMixin, table=True):
user_id: UUID = Field(foreign_key="user.id", ondelete="CASCADE")
user: User = Relationship()
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