feat: convert to self-hosted version

api/backend/auth/auth_router.py

@@ -0,0 +1,57 @@
+# STL
+from datetime import timedelta
+
+# PDM
+from fastapi import Depends, APIRouter, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+
+# LOCAL
+from api.backend.schemas import User, Token, UserCreate
+from api.backend.database import get_user_collection
+from api.backend.auth.auth_utils import (
+    ACCESS_TOKEN_EXPIRE_MINUTES,
+    get_current_user,
+    authenticate_user,
+    get_password_hash,
+    create_access_token,
+)
+
+auth_router = APIRouter()
+
+
+@auth_router.post("/api/auth/token", response_model=Token)
+async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends()):
+    user = await authenticate_user(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"},
+        )
+
+    expire_minutes = (
+        int(ACCESS_TOKEN_EXPIRE_MINUTES) if ACCESS_TOKEN_EXPIRE_MINUTES else 60
+    )
+
+    access_token_expires = timedelta(minutes=expire_minutes)
+    access_token = create_access_token(
+        data={"sub": user.email}, expires_delta=access_token_expires
+    )
+
+    return {"access_token": access_token, "token_type": "bearer"}
+
+
+@auth_router.post("/api/auth/signup", response_model=User)
+async def create_user(user: UserCreate):
+    users_collection = get_user_collection()
+    hashed_password = get_password_hash(user.password)
+    user_dict = user.model_dump()
+    user_dict["hashed_password"] = hashed_password
+    del user_dict["password"]
+    _ = await users_collection.insert_one(user_dict)
+    return user_dict
+
+
+@auth_router.get("/api/auth/users/me", response_model=User)
+async def read_users_me(current_user: User = Depends(get_current_user)):
+    return current_user