sso

backend/routers/auth.py

@@ -0,0 +1,22 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy.orm import Session
+from .. import database, models, auth_utils, schemas
+from datetime import timedelta
+
+router = APIRouter(tags=["Authentication"])
+
+@router.post("/token", response_model=schemas.Token)
+async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(database.get_db)):
+    user = db.query(models.User).filter(models.User.username == form_data.username).first()
+    if not user or not auth_utils.verify_password(form_data.password, user.hashed_password):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    access_token_expires = timedelta(minutes=auth_utils.ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = auth_utils.create_access_token(
+        data={"sub": user.username}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}