init

app/api/deps.py

@@ -0,0 +1,44 @@
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from sqlalchemy.orm import Session
+
+from app.core.config import get_settings
+from app.core.database import SessionLocal
+from app.crud import user as user_crud
+from app.models.user import User
+
+settings = get_settings()
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def get_current_user(
+    db: Session = Depends(get_db),
+    token: str = Depends(oauth2_scheme),
+) -> User:
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
+        subject = payload.get("sub")
+        if subject is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+
+    user = user_crud.get_by_email(db, subject)
+    if not user:
+        raise credentials_exception
+    return user