Update app.py

app.py

@@ -87,7 +87,19 @@ async def auth_callback(request: Request, db: Session = Depends(get_db)):
     response = RedirectResponse(url="/protected")
     response.set_cookie(key="access_token", value=f"Bearer {access_token}", httponly=True)
     return response
-
+    
+@app.post("/login")
+async def login(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
+    user = authenticate_user(db, form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    access_token = create_access_token(data={"sub": user.username})
+    return {"access_token": access_token, "token_type": "bearer"}
+    
 @app.get("/", response_class=HTMLResponse)
 async def landing(request: Request):
     return templates.TemplateResponse("landing.html", {"request": request})