test build

backend/app/api/auth.py

@@ -0,0 +1,115 @@
+from datetime import datetime, timedelta
+from typing import Optional
+import uuid
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from pydantic import BaseModel, EmailStr
+from sqlalchemy.orm import Session
+
+from app.config import settings
+from app.models.db import get_db, User
+
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
+
+
+# ── Schemas ────────────────────────────────────────────────────────────────
+
+class RegisterRequest(BaseModel):
+    email: EmailStr
+    password: str
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+
+
+class UserOut(BaseModel):
+    id: str
+    email: str
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+# ── Helpers ────────────────────────────────────────────────────────────────
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return pwd_context.verify(plain, hashed)
+
+
+def create_token(user_id) -> str:
+    expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    return jwt.encode(
+        {"sub": str(user_id), "exp": expire},
+        settings.SECRET_KEY,
+        algorithm=settings.ALGORITHM,
+    )
+
+
+def get_current_user(
+    token: Optional[str] = Depends(oauth2_scheme),
+    db: Session = Depends(get_db),
+) -> Optional[User]:
+    if not token:
+        return None
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        user_id_str: str = payload.get("sub")
+        if not user_id_str:
+            return None
+        import uuid as _uuid
+        user_id = _uuid.UUID(user_id_str)
+    except (JWTError, ValueError):
+        return None
+    return db.query(User).filter(User.id == user_id).first()
+
+
+def require_user(current_user: Optional[User] = Depends(get_current_user)) -> User:
+    if not current_user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Not authenticated",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    return current_user
+
+
+# ── Endpoints ──────────────────────────────────────────────────────────────
+
+@router.post("/register", response_model=UserOut, status_code=status.HTTP_201_CREATED)
+def register(body: RegisterRequest, db: Session = Depends(get_db)):
+    if db.query(User).filter(User.email == body.email).first():
+        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="Email already registered")
+    user = User(
+        email=body.email,
+        hashed_password=hash_password(body.password),
+    )
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    return user
+
+
+@router.post("/login", response_model=TokenResponse)
+def login(form: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
+    user = db.query(User).filter(User.email == form.username).first()
+    if not user or not verify_password(form.password, user.hashed_password):
+        raise HTTPException(status_code=400, detail="Incorrect email or password")
+    return {"access_token": create_token(user.id)}
+
+
+@router.get("/me", response_model=UserOut)
+def me(current_user: User = Depends(require_user)):
+    return current_user