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Support optional usage of the StarletteAdapter.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| """ | ||
| MIT License | ||
| Copyright (c) 2017 - Present PythonistaGuild | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| """ | ||
|
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| from __future__ import annotations | ||
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| import asyncio | ||
| import logging | ||
| from typing import TYPE_CHECKING | ||
| from urllib.parse import unquote_plus | ||
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| from aiohttp import web | ||
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| from ..authentication import Scopes | ||
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| if TYPE_CHECKING: | ||
| from ..authentication import AuthorizationURLPayload, UserTokenPayload | ||
| from ..client import Client | ||
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| __all__ = ("AiohttpAdapter",) | ||
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| logger: logging.Logger = logging.getLogger(__name__) | ||
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| class AiohttpAdapter(web.Application): | ||
| def __init__(self, client: Client, *, host: str | None = None, port: int | None = None) -> None: | ||
| super().__init__() | ||
| self._runner: web.AppRunner | None = None | ||
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| self.client: Client = client | ||
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| self._host: str = host or "localhost" | ||
| self._port: int = port or 4343 | ||
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| self._runner_task: asyncio.Task[None] | None = None | ||
| self._redirect_uri: str = client._http.redirect_uri or f"http://{self._host}:{self._port}/oauth/callback" | ||
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| self.startup = self.event_startup | ||
| self.shutdown = self.event_shutdown | ||
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| self.router.add_route("GET", "/oauth/callback", self.oauth_callback) | ||
| self.router.add_route("GET", "/oauth", self.oauth_redirect) | ||
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| def __init_subclass__(cls: type[AiohttpAdapter]) -> None: | ||
| return | ||
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| async def event_startup(self) -> None: | ||
| logger.info("Starting TwitchIO AiohttpAdapter on http://%s:%s.", self._host, self._port) | ||
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| async def event_shutdown(self) -> None: | ||
| logger.info("Successfully shutdown TwitchIO <%s>.", self.__class__.__qualname__) | ||
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| async def close(self) -> None: | ||
| if self._runner_task is not None: | ||
| try: | ||
| self._runner_task.cancel() | ||
| except Exception as e: | ||
| logger.debug( | ||
| "Ignoring exception raised while cancelling runner in <%s>: %s.", | ||
| self.__class__.__qualname__, | ||
| e, | ||
| ) | ||
|
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| if self._runner is not None: | ||
| await self._runner.cleanup() | ||
|
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| self._runner = None | ||
| self._runner_task = None | ||
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| async def run(self, host: str | None = None, port: int | None = None) -> None: | ||
| self._runner = web.AppRunner(self, access_log=None, handle_signals=True) | ||
| await self._runner.setup() | ||
|
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| site: web.TCPSite = web.TCPSite(self._runner, host or self._host, port or self._port) | ||
| self._runner_task = asyncio.create_task( | ||
| site.start(), name=f"twitchio-web-adapter:{self.__class__.__qualname__}" | ||
| ) | ||
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| async def fetch_token(self, request: web.Request) -> web.Response: | ||
| if "code" not in request.query: | ||
| return web.Response(status=400) | ||
|
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| try: | ||
| payload: UserTokenPayload = await self.client._http.user_access_token( | ||
| request.query["code"], | ||
| redirect_uri=self._redirect_uri, | ||
| ) | ||
| except Exception as e: | ||
| logger.error("Exception raised while fetching Token in <%s>: %s", self.__class__.__qualname__, e) | ||
| return web.Response(status=500) | ||
|
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| await self.client.add_token(payload["access_token"], payload["refresh_token"]) | ||
| return web.Response(body="Success. You can leave this page.", status=200) | ||
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| async def oauth_callback(self, request: web.Request) -> web.Response: | ||
| logger.debug("Received OAuth callback request in <%s>.", self.oauth_callback.__qualname__) | ||
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| response: web.Response = await self.fetch_token(request) | ||
| return response | ||
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| async def oauth_redirect(self, request: web.Request) -> web.Response: | ||
| scopes: str | None = request.query.get("scopes", None) | ||
| force_verify: bool = request.query.get("force_verify", "false").lower() == "true" | ||
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| if not scopes: | ||
| scopes = str(self.client._http.scopes) if self.client._http.scopes else None | ||
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| if not scopes: | ||
| logger.warning( | ||
| "No scopes provided in request to <%s>. Scopes are a required parameter that is missing.", | ||
| self.oauth_redirect.__qualname__, | ||
| ) | ||
| return web.Response(status=400) | ||
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| scopes_: Scopes = Scopes(unquote_plus(scopes).split()) | ||
|
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| try: | ||
| payload: AuthorizationURLPayload = self.client._http.get_authorization_url( | ||
| scopes=scopes_, | ||
| redirect_uri=self._redirect_uri, | ||
| force_verify=force_verify, | ||
| ) | ||
| except Exception as e: | ||
| logger.error( | ||
| "Exception raised while fetching Authorization URL in <%s>: %s", self.__class__.__qualname__, e | ||
| ) | ||
| return web.Response(status=500) | ||
|
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| raise web.HTTPPermanentRedirect(payload["url"]) |
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