saintnet_stickers/sticker/lib/matrix.py

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# maunium-stickerpicker - A fast and simple Matrix sticker picker widget.
# Copyright (C) 2020 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Optional, TYPE_CHECKING
import json
from aiohttp import ClientSession
from yarl import URL
access_token: Optional[str] = None
homeserver_url: Optional[str] = None
upload_url: Optional[URL] = None
if TYPE_CHECKING:
from typing import TypedDict
class MediaInfo(TypedDict):
w: int
h: int
size: int
mimetype: str
thumbnail_url: Optional[str]
thumbnail_info: Optional['MediaInfo']
class StickerInfo(TypedDict, total=False):
body: str
url: str
info: MediaInfo
id: str
else:
MediaInfo = None
StickerInfo = None
async def load_config(path: str) -> None:
global access_token, homeserver_url, upload_url
try:
with open(path) as config_file:
config = json.load(config_file)
homeserver_url = config["homeserver"]
access_token = config["access_token"]
except FileNotFoundError:
print("Matrix config file not found. Please enter your homeserver and access token.")
homeserver_url = input("Homeserver URL: ")
access_token = input("Access token: ")
whoami_url = URL(homeserver_url) / "_matrix" / "client" / "r0" / "account" / "whoami"
if whoami_url.scheme not in ("https", "http"):
whoami_url = whoami_url.with_scheme("https")
user_id = await whoami(whoami_url, access_token)
with open(path, "w") as config_file:
json.dump({
"homeserver": homeserver_url,
"user_id": user_id,
"access_token": access_token
}, config_file)
print(f"Wrote config to {path}")
upload_url = URL(homeserver_url) / "_matrix" / "media" / "r0" / "upload"
async def whoami(url: URL, access_token: str) -> str:
headers = {"Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.get(url, headers=headers) as resp:
resp.raise_for_status()
user_id = (await resp.json())["user_id"]
print(f"Access token validated (user ID: {user_id})")
return user_id
async def upload(data: bytes, mimetype: str, filename: str) -> str:
url = upload_url.with_query({"filename": filename})
headers = {"Content-Type": mimetype, "Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.post(url, data=data, headers=headers) as resp:
return (await resp.json())["content_uri"]