add dependances

app/routers/token.py

@@ -0,0 +1,25 @@
+from typing import Annotated
+from fastapi import Depends, FastAPI, HTTPException, status, APIRouter
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from ..dependencies import fake_users, authenticate_user
+from ..models import token
+
+router = APIRouter()
+
+
+@router.post("/token", response_model=token.Token, tags=["token"])
+async def login_for_access_token(
+    form_data: Annotated[OAuth2PasswordRequestForm, Depends()]
+):
+    user = authenticate_user(fake_users, 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_expires = timedelta(minutes=dependencies.ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user.username}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}