75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordRequestForm
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from pydantic import BaseModel, field_validator
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from bd import Settings
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from bd.tables.users import User
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from route.auth_utils import hash_password, verify_password, create_access_token
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router = APIRouter(tags=["auth"], prefix="/auth")
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def _get_session():
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settings = Settings()
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engine = create_engine(settings.DATABASE_URL_syncpg, future=True)
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return sessionmaker(bind=engine, future=True)
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class RegisterIn(BaseModel):
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username: str
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password: str
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first_name: str
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last_name: str
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@field_validator("password")
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@classmethod
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def password_strength(cls, v: str) -> str:
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if len(v) < 8:
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raise ValueError("Password must be at least 8 characters")
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return v
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@field_validator("username")
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@classmethod
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def username_clean(cls, v: str) -> str:
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v = v.strip()
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if len(v) < 3:
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raise ValueError("Username must be at least 3 characters")
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return v
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@router.post("/register", status_code=201)
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def register(payload: RegisterIn):
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Session = _get_session()
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with Session() as session:
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existing = session.query(User).filter(User.username == payload.username).first()
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if existing:
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raise HTTPException(status_code=400, detail="Username already taken")
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user = User(
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first_name=payload.first_name.strip(),
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last_name=payload.last_name.strip(),
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username=payload.username,
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hashed_password=hash_password(payload.password),
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)
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session.add(user)
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session.commit()
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session.refresh(user)
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return {"id": str(user.id), "username": user.username}
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@router.post("/login")
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def login(form: OAuth2PasswordRequestForm = Depends()):
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Session = _get_session()
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with Session() as session:
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user = session.query(User).filter(User.username == form.username).first()
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if not user or not verify_password(form.password, user.hashed_password):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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token = create_access_token({"sub": str(user.id)})
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return {"access_token": token, "token_type": "bearer"}
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