from fastapi import APIRouter, Request, HTTPException
from fastapi.responses import RedirectResponse, JSONResponse, HTMLResponse
from app.component.environment import env
from app.component.oauth_adapter import OauthCallbackPayload, get_oauth_adapter
from typing import Optional
router = APIRouter(prefix="/oauth", tags=["Oauth Servers"])
@router.get("/{app}/login", name="OAuth Login Redirect")
def oauth_login(app: str, request: Request, state: Optional[str] = None):
try:
callback_url = str(request.url_for("OAuth Callback", app=app))
if callback_url.startswith("http://"):
callback_url = "https://" + callback_url[len("http://") :]
adapter = get_oauth_adapter(app, callback_url)
url = adapter.get_authorize_url(state)
if not url:
raise HTTPException(status_code=400, detail="Failed to generate authorization URL")
return RedirectResponse(str(url))
except Exception as e:
raise HTTPException(status_code=400, detail=str(e))
@router.get("/{app}/callback", name="OAuth Callback")
def oauth_callback(app: str, request: Request, code: Optional[str] = None, state: Optional[str] = None):
if not code:
raise HTTPException(status_code=400, detail="Missing code parameter")
redirect_url = f"eigent://callback/oauth?provider={app}&code={code}&state={state}"
html_content = f"""
OAuth Callback
Redirecting, please wait...
"""
return HTMLResponse(content=html_content)
@router.post("/{app}/token", name="OAuth Fetch Token")
def fetch_token(app: str, request: Request, data: OauthCallbackPayload):
try:
callback_url = str(request.url_for("OAuth Callback", app=app))
if callback_url.startswith("http://"):
callback_url = "https://" + callback_url[len("http://") :]
adapter = get_oauth_adapter(app, callback_url)
token_data = adapter.fetch_token(data.code)
return JSONResponse(token_data)
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))