quivr/backend/modules/sync/controller/google_sync_routes.py
Stan Girard d41a0b4be4
Feat/auth-playground (#2605)
# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):
2024-05-21 13:20:35 -07:00

132 lines
4.5 KiB
Python

import json
import os
from fastapi import APIRouter, Depends, HTTPException, Request
from google_auth_oauthlib.flow import Flow
from logger import get_logger
from middlewares.auth import AuthBearer, get_current_user
from modules.sync.dto.inputs import SyncsUserInput, SyncUserUpdateInput
from modules.sync.service.sync_service import SyncService, SyncUserService
from modules.user.entity.user_identity import UserIdentity
# Set environment variable for OAuthlib
os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"
# Initialize logger
logger = get_logger(__name__)
# Initialize sync service
sync_service = SyncService()
sync_user_service = SyncUserService()
# Initialize API router
google_sync_router = APIRouter()
# Constants
SCOPES = [
"https://www.googleapis.com/auth/drive.metadata.readonly",
"https://www.googleapis.com/auth/drive.readonly",
]
BACKEND_URL = os.getenv("BACKEND_URL", "http://localhost:5050")
BASE_REDIRECT_URI = f"{BACKEND_URL}/sync/google/oauth2callback"
# Create credentials content from environment variables
CLIENT_SECRETS_FILE_CONTENT = {
"installed": {
"client_id": os.getenv("GOOGLE_CLIENT_ID"),
"project_id": os.getenv("GOOGLE_PROJECT_ID"),
"auth_uri": os.getenv("GOOGLE_AUTH_URI"),
"token_uri": os.getenv("GOOGLE_TOKEN_URI"),
"auth_provider_x509_cert_url": os.getenv("GOOGLE_AUTH_PROVIDER_CERT_URL"),
"client_secret": os.getenv("GOOGLE_CLIENT_SECRET"),
"redirect_uris": [os.getenv("GOOGLE_REDIRECT_URI")],
}
}
@google_sync_router.get(
"/sync/google/authorize",
dependencies=[Depends(AuthBearer())],
tags=["Sync"],
)
def authorize_google(
request: Request, name: str, current_user: UserIdentity = Depends(get_current_user)
):
"""
Authorize Google Drive sync for the current user.
Args:
request (Request): The request object.
current_user (UserIdentity): The current authenticated user.
Returns:
dict: A dictionary containing the authorization URL.
"""
logger.debug(f"Authorizing Google Drive sync for user: {current_user.id}")
redirect_uri = f"{BASE_REDIRECT_URI}?user_id={current_user.id}"
flow = Flow.from_client_config(
CLIENT_SECRETS_FILE_CONTENT, scopes=SCOPES, redirect_uri=redirect_uri
)
authorization_url, state = flow.authorization_url(
access_type="offline", include_granted_scopes="true"
)
logger.info(
f"Generated authorization URL: {authorization_url} for user: {current_user.id}"
)
sync_user_input = SyncsUserInput(
name=name,
user_id=str(current_user.id),
provider="Google",
credentials={},
state={"state": state},
)
sync_user_service.create_sync_user(sync_user_input)
return {"authorization_url": authorization_url}
@google_sync_router.get("/sync/google/oauth2callback", tags=["Sync"])
def oauth2callback_google(request: Request):
"""
Handle OAuth2 callback from Google.
Args:
request (Request): The request object.
Returns:
dict: A dictionary containing a success message.
"""
state = request.query_params.get("state")
state_dict = {"state": state}
current_user = request.query_params.get("user_id")
logger.debug(
f"Handling OAuth2 callback for user: {current_user} with state: {state}"
)
sync_user_state = sync_user_service.get_sync_user_by_state(state_dict)
logger.info(f"Retrieved sync user state: {sync_user_state}")
if state_dict != sync_user_state["state"]:
logger.error("Invalid state parameter")
raise HTTPException(status_code=400, detail="Invalid state parameter")
if sync_user_state.get("user_id") != current_user:
logger.error("Invalid user")
raise HTTPException(status_code=400, detail="Invalid user")
redirect_uri = f"{BASE_REDIRECT_URI}?user_id={current_user}"
flow = Flow.from_client_config(
CLIENT_SECRETS_FILE_CONTENT,
scopes=SCOPES,
state=state,
redirect_uri=redirect_uri,
)
flow.fetch_token(authorization_response=str(request.url))
creds = flow.credentials
logger.info(f"Fetched OAuth2 token for user: {current_user}")
sync_user_input = SyncUserUpdateInput(
credentials=json.loads(creds.to_json()),
state={},
)
sync_user_service.update_sync_user(current_user, state_dict, sync_user_input)
logger.info(f"Google Drive sync created successfully for user: {current_user}")
return {"message": "Google Drive sync created successfully"}