100 lines
3.8 KiB
Python
100 lines
3.8 KiB
Python
from starlette.datastructures import URL
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from starlette.responses import RedirectResponse
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from ..base_client import BaseApp
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from ..base_client import OAuthError
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from ..base_client.async_app import AsyncOAuth1Mixin
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from ..base_client.async_app import AsyncOAuth2Mixin
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from ..base_client.async_openid import AsyncOpenIDMixin
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from ..httpx_client import AsyncOAuth1Client
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from ..httpx_client import AsyncOAuth2Client
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class StarletteAppMixin:
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async def save_authorize_data(self, request, **kwargs):
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state = kwargs.pop("state", None)
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if state:
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if self.framework.cache:
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session = None
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else:
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session = request.session
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await self.framework.set_state_data(session, state, kwargs)
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else:
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raise RuntimeError("Missing state value")
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async def authorize_redirect(self, request, redirect_uri=None, **kwargs):
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"""Create a HTTP Redirect for Authorization Endpoint.
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:param request: HTTP request instance from Starlette view.
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:param redirect_uri: Callback or redirect URI for authorization.
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:param kwargs: Extra parameters to include.
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:return: A HTTP redirect response.
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"""
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# Handle Starlette >= 0.26.0 where redirect_uri may now be a URL and not a string
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if redirect_uri and isinstance(redirect_uri, URL):
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redirect_uri = str(redirect_uri)
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rv = await self.create_authorization_url(redirect_uri, **kwargs)
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await self.save_authorize_data(request, redirect_uri=redirect_uri, **rv)
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return RedirectResponse(rv["url"], status_code=302)
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class StarletteOAuth1App(StarletteAppMixin, AsyncOAuth1Mixin, BaseApp):
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client_cls = AsyncOAuth1Client
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async def authorize_access_token(self, request, **kwargs):
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params = dict(request.query_params)
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state = params.get("oauth_token")
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if not state:
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raise OAuthError(description='Missing "oauth_token" parameter')
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data = await self.framework.get_state_data(request.session, state)
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if not data:
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raise OAuthError(description='Missing "request_token" in temporary data')
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params["request_token"] = data["request_token"]
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params.update(kwargs)
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await self.framework.clear_state_data(request.session, state)
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return await self.fetch_access_token(**params)
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class StarletteOAuth2App(
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StarletteAppMixin, AsyncOAuth2Mixin, AsyncOpenIDMixin, BaseApp
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):
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client_cls = AsyncOAuth2Client
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async def authorize_access_token(self, request, **kwargs):
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error = request.query_params.get("error")
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if error:
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description = request.query_params.get("error_description")
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raise OAuthError(error=error, description=description)
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params = {
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"code": request.query_params.get("code"),
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"state": request.query_params.get("state"),
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}
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if self.framework.cache:
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session = None
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else:
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session = request.session
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state_data = await self.framework.get_state_data(session, params.get("state"))
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await self.framework.clear_state_data(session, params.get("state"))
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params = self._format_state_params(state_data, params)
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claims_options = kwargs.pop("claims_options", None)
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claims_cls = kwargs.pop("claims_cls", None)
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leeway = kwargs.pop("leeway", 120)
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token = await self.fetch_access_token(**params, **kwargs)
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if "id_token" in token and "nonce" in state_data:
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userinfo = await self.parse_id_token(
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token,
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nonce=state_data["nonce"],
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claims_options=claims_options,
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claims_cls=claims_cls,
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leeway=leeway,
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)
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token["userinfo"] = userinfo
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return token
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