Move mautrix-appservice to separate repo. Fixes #37

This commit is contained in:
Tulir Asokan
2018-03-08 23:16:58 +02:00
parent 8bfb416735
commit 517c7d8b70
8 changed files with 5 additions and 976 deletions

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from .appservice import AppService
from .errors import MatrixError, MatrixRequestError, IntentError
__version__ = "0.1.0"
__author__ = "Tulir Asokan <tulir@maunium.net>"

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# -*- coding: future_fstrings -*-
# matrix-appservice-python - A Matrix Application Service framework written in Python.
# Copyright (C) 2018 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Partly based on github.com/Cadair/python-appservice-framework (MIT license)
from contextlib import contextmanager
from aiohttp import web
import aiohttp
import asyncio
import logging
from .intent_api import HTTPAPI
from .state_store import StateStore
class AppService:
def __init__(self, server, domain, as_token, hs_token, bot_localpart, loop=None, log=None,
verify_ssl=True, query_user=None, query_alias=None):
self.server = server
self.domain = domain
self.verify_ssl = verify_ssl
self.as_token = as_token
self.hs_token = hs_token
self.bot_mxid = f"@{bot_localpart}:{domain}"
self.state_store = StateStore(autosave_file="mx-state.json")
self.state_store.load("mx-state.json")
self.transactions = []
self._http_session = None
self._intent = None
self.loop = loop or asyncio.get_event_loop()
self.log = (logging.getLogger(log) if isinstance(log, str)
else log or logging.getLogger("mautrix_appservice"))
async def default_query_handler(_):
return None
self.query_user = query_user or default_query_handler
self.query_alias = query_alias or default_query_handler
self.event_handlers = []
self.app = web.Application(loop=self.loop)
self.app.router.add_route("PUT", "/transactions/{transaction_id}",
self._http_handle_transaction)
self.app.router.add_route("GET", "/rooms/{alias}", self._http_query_alias)
self.app.router.add_route("GET", "/users/{user_id}", self._http_query_user)
self.matrix_event_handler(self.update_state_store)
@property
def http_session(self):
if self._http_session is None:
raise AttributeError("the http_session attribute can only be used "
"from within the `AppService.run` context manager")
else:
return self._http_session
@property
def intent(self):
if self._intent is None:
raise AttributeError("the intent attribute can only be used from "
"within the `AppService.run` context manager")
else:
return self._intent
@contextmanager
def run(self, host="127.0.0.1", port=8080):
connector = None
if self.server.startswith("https://") and not self.verify_ssl:
connector = aiohttp.TCPConnector(verify_ssl=False)
self._http_session = aiohttp.ClientSession(loop=self.loop, connector=connector)
self._intent = HTTPAPI(base_url=self.server, domain=self.domain, bot_mxid=self.bot_mxid,
token=self.as_token, log=self.log, state_store=self.state_store,
client_session=self._http_session).bot_intent()
yield self.loop.create_server(self.app.make_handler(), host, port)
self._intent = None
self._http_session.close()
self._http_session = None
def _check_token(self, request):
try:
token = request.rel_url.query["access_token"]
except KeyError:
return False
if token != self.hs_token:
return False
return True
async def _http_query_user(self, request):
if not self._check_token(request):
return web.Response(status=401)
user_id = request.match_info["userId"]
try:
response = await self.query_user(user_id)
except Exception:
self.log.exception("Exception in user query handler")
return web.Response(status=500)
if not response:
return web.Response(status=404)
return web.json_response(response)
async def _http_query_alias(self, request):
if not self._check_token(request):
return web.Response(status=401)
alias = request.match_info["alias"]
try:
response = await self.query_alias(alias)
except Exception:
self.log.exception("Exception in alias query handler")
return web.Response(status=500)
if not response:
return web.Response(status=404)
return web.json_response(response)
async def _http_handle_transaction(self, request):
if not self._check_token(request):
return web.Response(status=401)
transaction_id = request.match_info["transaction_id"]
if transaction_id in self.transactions:
return web.Response(status=200)
json = await request.json()
try:
events = json["events"]
except KeyError:
return web.Response(status=400)
for event in events:
self.handle_matrix_event(event)
self.transactions.append(transaction_id)
return web.json_response({})
async def update_state_store(self, event):
event_type = event["type"]
if event_type == "m.room.power_levels":
self.state_store.set_power_levels(event["room_id"], event["content"])
elif event_type == "m.room.member":
self.state_store.set_membership(event["room_id"], event["state_key"],
event["content"]["membership"])
def handle_matrix_event(self, event):
async def try_handle(handler):
try:
await handler(event)
except Exception:
self.log.exception("Exception in Matrix event handler")
for handler in self.event_handlers:
asyncio.ensure_future(try_handle(handler), loop=self.loop)
def matrix_event_handler(self, func):
self.event_handlers.append(func)
return func

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# -*- coding: future_fstrings -*-
# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2018 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
class MatrixError(Exception):
"""A generic Matrix error. Specific errors will subclass this."""
pass
class IntentError(MatrixError):
def __init__(self, message, source):
super().__init__(message)
self.source = source
class MatrixRequestError(MatrixError):
""" The home server returned an error response. """
def __init__(self, code=0, text="", errcode=None, message=None):
super().__init__(f"{code}: {text}")
self.code = code
self.text = text
self.errcode = errcode
self.message = message

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# -*- coding: future_fstrings -*-
# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2018 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from urllib.parse import quote
from time import time
from json.decoder import JSONDecodeError
from aiohttp.client_exceptions import ContentTypeError
import re
import json
import magic
import asyncio
from .errors import MatrixError, MatrixRequestError, IntentError
class HTTPAPI:
def __init__(self, base_url, domain=None, bot_mxid=None, token=None, identity=None, log=None,
state_store=None, client_session=None, child=False):
self.base_url = base_url
self.token = token
self.identity = identity
self.validate_cert = True
self.session = client_session
self.domain = domain
self.bot_mxid = bot_mxid
self._bot_intent = None
self.state_store = state_store
if child:
self.log = log
else:
self.intent_log = log.getChild("intent")
self.log = log.getChild("api")
self.txn_id = 0
self.children = {}
def user(self, user):
try:
return self.children[user]
except KeyError:
child = ChildHTTPAPI(user, self)
self.children[user] = child
return child
def bot_intent(self):
if self._bot_intent:
return self._bot_intent
return IntentAPI(self.bot_mxid, self, state_store=self.state_store, log=self.intent_log)
def intent(self, user):
return IntentAPI(user, self.user(user), self.bot_intent(), self.state_store,
self.intent_log)
async def _send(self, method, endpoint, content, query_params, headers):
while True:
query_params["access_token"] = self.token
request = self.session.request(method, endpoint, params=query_params,
data=content, headers=headers)
async with request as response:
if response.status < 200 or response.status >= 300:
errcode = message = None
try:
response_data = await response.json()
errcode = response_data["errcode"]
message = response_data["error"]
except (JSONDecodeError, ContentTypeError, KeyError):
pass
raise MatrixRequestError(code=response.status, text=await response.text(),
errcode=errcode, message=message)
if response.status == 429:
await asyncio.sleep(response.json()["retry_after_ms"] / 1000)
else:
return await response.json()
def _log_request(self, method, path, content, query_params):
log_content = content if not isinstance(content, bytes) else f"<{len(content)} bytes>"
log_content = log_content or "(No content)"
query_identity = query_params["user_id"] if "user_id" in query_params else "No identity"
self.log.debug("%s %s %s as user %s", method, path, log_content, query_identity)
def request(self, method, path, content=None, query_params=None, headers=None,
api_path="/_matrix/client/r0"):
content = content or {}
query_params = query_params or {}
headers = headers or {}
method = method.upper()
if method not in ["GET", "PUT", "DELETE", "POST"]:
raise MatrixError("Unsupported HTTP method: %s" % method)
if "Content-Type" not in headers:
headers["Content-Type"] = "application/json"
if headers["Content-Type"] == "application/json":
content = json.dumps(content)
if self.identity:
query_params["user_id"] = self.identity
self._log_request(method, path, content, query_params)
endpoint = self.base_url + api_path + path
return self._send(method, endpoint, content, query_params, headers or {})
def get_download_url(self, mxcurl):
if mxcurl.startswith('mxc://'):
return f"{self.base_url}/_matrix/media/r0/download/{mxcurl[6:]}"
else:
raise ValueError("MXC URL did not begin with 'mxc://'")
async def get_display_name(self, user_id):
content = await self.request("GET", f"/profile/{user_id}/displayname")
return content.get('displayname', None)
async def get_avatar_url(self, user_id):
content = await self.request("GET", f"/profile/{user_id}/avatar_url")
return content.get('avatar_url', None)
async def get_room_id(self, room_alias):
content = await self.request("GET", f"/directory/room/{quote(room_alias)}")
return content.get("room_id", None)
def set_typing(self, room_id, is_typing=True, timeout=5000, user=None):
content = {
"typing": is_typing
}
if is_typing:
content["timeout"] = timeout
user = user or self.identity
return self.request("PUT", f"/rooms/{room_id}/typing/{user}", content)
class ChildHTTPAPI(HTTPAPI):
def __init__(self, user, parent):
super().__init__(parent.base_url, parent.domain, parent.bot_mxid, parent.token, user,
parent.log, parent.state_store, parent.session, child=True)
self.parent = parent
@property
def txn_id(self):
return self.parent.txn_id
@txn_id.setter
def txn_id(self, value):
self.parent.txn_id = value
class IntentAPI:
mxid_regex = re.compile("@(.+):(.+)")
def __init__(self, mxid, client, bot=None, state_store=None, log=None):
self.client = client
self.bot = bot
self.mxid = mxid
self.log = log
results = self.mxid_regex.match(mxid)
if not results:
raise ValueError("invalid MXID")
self.localpart = results.group(1)
self.state_store = state_store
def user(self, user):
if not self.bot:
return self.client.intent(user)
else:
self.log.warning("Called IntentAPI#user() of child intent object.")
return self.bot.client.intent(user)
# region User actions
async def get_joined_rooms(self):
await self.ensure_registered()
response = await self.client.request("GET", "/joined_rooms")
return response["joined_rooms"]
async def set_display_name(self, name):
await self.ensure_registered()
content = {"displayname": name}
return await self.client.request("PUT", f"/profile/{self.mxid}/displayname", content)
async def set_presence(self, status="online", ignore_cache=False):
await self.ensure_registered()
if not ignore_cache and self.state_store.has_presence(self.mxid, status):
return
content = {
"presence": status
}
resp = await self.client.request("PUT", f"/presence/{self.mxid}/status", content)
self.state_store.set_presence(self.mxid, status)
return resp
async def set_avatar(self, url):
await self.ensure_registered()
content = {"avatar_url": url}
return await self.client.request("PUT", f"/profile/{self.mxid}/avatar_url", content)
async def upload_file(self, data, mime_type=None):
await self.ensure_registered()
mime_type = mime_type or magic.from_buffer(data, mime=True)
return await self.client.request("POST", "", content=data,
headers={"Content-Type": mime_type},
api_path="/_matrix/media/r0/upload")
async def download_file(self, url):
await self.ensure_registered()
url = self.client.get_download_url(url)
async with self.client.session.get(url) as response:
return await response.read()
# endregion
# region Room actions
async def create_room(self, alias=None, is_public=False, name=None, topic=None,
is_direct=False, invitees=None, initial_state=None,
guests_can_join=False):
await self.ensure_registered()
content = {
"visibility": "private",
"is_direct": is_direct,
"preset": "public_chat" if is_public else "private_chat",
"guests_can_join": guests_can_join,
}
if alias:
content["room_alias_name"] = alias
if invitees:
content["invite"] = invitees
if name:
content["name"] = name
if topic:
content["topic"] = topic
if initial_state:
content["initial_state"] = initial_state
return await self.client.request("POST", "/createRoom", content)
def _invite_direct(self, room_id, user_id):
content = {"user_id": user_id}
return self.client.request("POST", "/rooms/" + room_id + "/invite", content)
async def invite(self, room_id, user_id, check_cache=False):
await self.ensure_joined(room_id)
try:
ok_states = {"invite", "join"}
do_invite = (not check_cache
or self.state_store.get_membership(room_id, user_id) not in ok_states)
if do_invite:
response = await self._invite_direct(room_id, user_id)
self.state_store.invited(room_id, user_id)
return response
except MatrixRequestError as e:
if e.errcode != "M_FORBIDDEN":
raise IntentError(f"Failed to invite {user_id} to {room_id}", e)
if "is already in the room" in e.message:
self.state_store.joined(room_id, user_id)
def set_room_avatar(self, room_id, avatar_url, info=None):
content = {
"url": avatar_url,
}
if info:
content["info"] = info
return self.send_state_event(room_id, "m.room.avatar", content)
async def add_room_alias(self, room_id, localpart, override=True):
await self.ensure_registered()
content = {"room_id": room_id}
alias = f"#{localpart}:{self.client.domain}"
try:
return await self.client.request("PUT", f"/directory/room/{quote(alias)}", content)
except MatrixRequestError as e:
if override and e.code == 409:
await self.remove_room_alias(localpart)
return await self.client.request("PUT", f"/directory/room/{quote(alias)}", content)
async def remove_room_alias(self, localpart):
await self.ensure_registered()
alias = f"#{localpart}:{self.client.domain}"
return await self.client.request("DELETE", f"/directory/room/{quote(alias)}")
def set_room_name(self, room_id, name):
body = {"name": name}
return self.send_state_event(room_id, "m.room.name", body)
async def get_power_levels(self, room_id, ignore_cache=False):
await self.ensure_joined(room_id)
if not ignore_cache:
try:
return self.state_store.get_power_levels(room_id)
except KeyError:
pass
levels = await self.client.request("GET",
f"/rooms/{quote(room_id)}/state/m.room.power_levels")
self.state_store.set_power_levels(room_id, levels)
return levels
async def set_power_levels(self, room_id, content):
if "events" not in content:
content["events"] = {}
response = await self.send_state_event(room_id, "m.room.power_levels", content)
self.state_store.set_power_levels(room_id, content)
return response
async def get_pinned_messages(self, room_id):
await self.ensure_joined(room_id)
response = await self.client.request("GET", f"/rooms/{room_id}/state/m.room.pinned_events")
return response["content"]["pinned"]
def set_pinned_messages(self, room_id, events):
return self.send_state_event(room_id, "m.room.pinned_events", {
"pinned": events
})
async def pin_message(self, room_id, event_id):
events = await self.get_pinned_messages(room_id)
if event_id not in events:
events.append(event_id)
await self.set_pinned_messages(room_id, events)
async def unpin_message(self, room_id, event_id):
events = await self.get_pinned_messages(room_id)
if event_id in events:
events.remove(event_id)
await self.set_pinned_messages(room_id, events)
async def set_join_rule(self, room_id, join_rule):
if join_rule not in ("public", "knock", "invite", "private"):
raise ValueError(f"Invalid join rule \"{join_rule}\"")
await self.send_state_event(room_id, "m.room.join_rules", {
"join_rule": join_rule,
})
async def get_event(self, room_id, event_id):
await self.ensure_joined(room_id)
return await self.client.request("GET", f"/rooms/{room_id}/event/{event_id}")
async def set_typing(self, room_id, is_typing=True, timeout=5000, ignore_cache=False):
await self.ensure_joined(room_id)
if not ignore_cache and is_typing == self.state_store.is_typing(room_id, self.mxid):
return
content = {
"typing": is_typing
}
if is_typing:
content["timeout"] = timeout
resp = await self.client.request("PUT", f"/rooms/{room_id}/typing/{self.mxid}", content)
self.state_store.set_typing(room_id, self.mxid, is_typing, timeout)
return resp
async def mark_read(self, room_id, event_id):
await self.ensure_joined(room_id)
return await self.client.request("POST", f"/rooms/{room_id}/receipt/m.read/{event_id}",
content={})
def send_notice(self, room_id, text, html=None, relates_to=None):
return self.send_text(room_id, text, html, "m.notice", relates_to)
def send_emote(self, room_id, text, html=None, relates_to=None):
return self.send_text(room_id, text, html, "m.emote", relates_to)
def send_image(self, room_id, url, info=None, text=None, relates_to=None):
return self.send_file(room_id, url, info or {}, text, "m.image", relates_to)
def send_file(self, room_id, url, info=None, text=None, file_type="m.file", relates_to=None):
return self.send_message(room_id, {
"msgtype": file_type,
"url": url,
"body": text or "Uploaded file",
"info": info or {},
"m.relates_to": relates_to or None,
})
def send_text(self, room_id, text, html=None, msgtype="m.text", relates_to=None):
if html:
if not text:
text = html
return self.send_message(room_id, {
"body": text,
"msgtype": msgtype,
"format": "org.matrix.custom.html",
"formatted_body": html or text,
"m.relates_to": relates_to or None,
})
else:
return self.send_message(room_id, {
"body": text,
"msgtype": msgtype,
"m.relates_to": relates_to or None,
})
def send_message(self, room_id, body):
return self.send_event(room_id, "m.room.message", body)
async def error_and_leave(self, room_id, text, html=None):
await self.ensure_joined(room_id)
await self.send_notice(room_id, text, html=html)
await self.leave_room(room_id)
def kick(self, room_id, user_id, message):
return self.set_membership(room_id, user_id, "leave", message)
def get_membership(self, room_id, user_id):
return self.get_state_event(room_id, "m.room.member", state_key=user_id)
def set_membership(self, room_id, user_id, membership, reason="", profile=None):
body = {
"membership": membership,
"reason": reason
}
profile = profile or {}
if "displayname" in profile:
body["displayname"] = profile["displayname"]
if "avatar_url" in profile:
body["avatar_url"] = profile["avatar_url"]
return self.send_state_event(room_id, "m.room.member", body, state_key=user_id)
def redact(self, room_id, event_id, reason=None, txn_id=None):
txn_id = txn_id or str(self.client.txn_id) + str(int(time() * 1000))
self.client.txn_id += 1
content = {}
if reason:
content["reason"] = reason
return self.client.request("PUT",
f"/rooms/{quote(room_id)}/redact/{quote(event_id)}/{txn_id}",
content)
@staticmethod
def _get_event_url(room_id, event_type, txn_id):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
elif not txn_id:
raise ValueError("Transaction ID not given")
return f"/rooms/{quote(room_id)}/send/{quote(event_type)}/{quote(txn_id)}"
async def send_event(self, room_id, event_type, content, txn_id=None):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
await self.ensure_joined(room_id)
await self._ensure_has_power_level_for(room_id, event_type)
txn_id = txn_id or str(self.client.txn_id) + str(int(time() * 1000))
self.client.txn_id += 1
url = self._get_event_url(room_id, event_type, txn_id)
return await self.client.request("PUT", url, content)
@staticmethod
def _get_state_url(room_id, event_type, state_key=""):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
url = f"/rooms/{quote(room_id)}/state/{quote(event_type)}"
if state_key:
url += f"/{quote(state_key)}"
return url
async def send_state_event(self, room_id, event_type, content, state_key=""):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
await self.ensure_joined(room_id)
await self._ensure_has_power_level_for(room_id, event_type, is_state_event=True)
url = self._get_state_url(room_id, event_type, state_key)
return await self.client.request("PUT", url, content)
async def get_state_event(self, room_id, event_type, state_key=""):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
await self.ensure_joined(room_id)
url = self._get_state_url(room_id, event_type, state_key)
return await self.client.request("GET", url)
def join_room(self, room_id):
if not room_id:
raise ValueError("Room ID not given")
return self.ensure_joined(room_id, ignore_cache=True)
def _join_room_direct(self, room):
if not room:
raise ValueError("Room ID not given")
return self.client.request("POST", f"/join/{quote(room)}")
def leave_room(self, room_id):
if not room_id:
raise ValueError("Room ID not given")
try:
self.state_store.left(room_id, self.mxid)
return self.client.request("POST", f"/rooms/{quote(room_id)}/leave")
except MatrixRequestError as e:
if "not in room" not in e.message:
raise
def get_room_memberships(self, room_id):
if not room_id:
raise ValueError("Room ID not given")
return self.client.request("GET", f"/rooms/{quote(room_id)}/members")
async def get_room_members(self, room_id, allowed_memberships=("join",)):
memberships = await self.get_room_memberships(room_id)
return [membership["state_key"] for membership in memberships["chunk"] if
membership["content"]["membership"] in allowed_memberships]
async def get_room_state(self, room_id):
await self.ensure_joined(room_id)
state = await self.client.request("GET", f"/rooms/{quote(room_id)}/state")
# TODO update values based on state?
return state
# endregion
# region Ensure functions
async def ensure_joined(self, room_id, ignore_cache=False):
if not room_id:
raise ValueError("Room ID not given")
if not ignore_cache and self.state_store.is_joined(room_id, self.mxid):
return
await self.ensure_registered()
try:
await self._join_room_direct(room_id)
self.state_store.joined(room_id, self.mxid)
except MatrixRequestError as e:
if e.errcode != "M_FORBIDDEN" or not self.bot:
raise IntentError(f"Failed to join room {room_id} as {self.mxid}", e)
try:
await self.bot.invite(room_id, self.mxid)
await self._join_room_direct(room_id)
self.state_store.joined(room_id, self.mxid)
except MatrixRequestError as e2:
raise IntentError(f"Failed to join room {room_id} as {self.mxid}", e2)
def _register(self):
content = {"username": self.localpart}
query_params = {"kind": "user"}
return self.client.request("POST", "/register", content, query_params)
async def ensure_registered(self):
if self.state_store.is_registered(self.mxid):
return
try:
await self._register()
except MatrixRequestError as e:
if e.errcode != "M_USER_IN_USE":
self.log.exception(f"Failed to register {self.mxid}!")
# raise IntentError(f"Failed to register {self.mxid}", e)
return
self.state_store.registered(self.mxid)
async def _ensure_has_power_level_for(self, room_id, event_type, is_state_event=False):
if not room_id:
raise ValueError("Room ID not given")
elif not event_type:
raise ValueError("Event type not given")
if not self.state_store.has_power_levels(room_id):
await self.get_power_levels(room_id)
if self.state_store.has_power_level(room_id, self.mxid, event_type,
is_state_event=is_state_event):
return
elif not self.bot:
self.log.warning(
f"Power level of {self.mxid} is not enough for {event_type} in {room_id}")
# raise IntentError(f"Power level of {self.mxid} is not enough"
# f"for {event_type} in {room_id}")
return
# TODO implement
# endregion

View File

@@ -1,155 +0,0 @@
# -*- coding: future_fstrings -*-
# matrix-appservice-python - A Matrix Application Service framework written in Python.
# Copyright (C) 2018 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import time
class StateStore:
def __init__(self, autosave_file=None):
self.autosave_file = autosave_file
# Persistent storage
self.registrations = set()
self.memberships = {}
self.power_levels = {}
# Non-persistent storage
self.presence = {}
self.typing = {}
def save(self, file):
if isinstance(file, str):
output = open(file, "w")
else:
output = file
json.dump({
"registrations": list(self.registrations),
"memberships": self.memberships,
"power_levels": self.power_levels,
}, output)
if isinstance(file, str):
output.close()
def load(self, file):
if isinstance(file, str):
try:
input_source = open(file, "r")
except FileNotFoundError:
return
else:
input_source = file
data = json.load(input_source)
if "registrations" in data:
self.registrations = set(data["registrations"])
if "memberships" in data:
self.memberships = data["memberships"]
if "power_levels" in data:
self.power_levels = data["power_levels"]
if isinstance(file, str):
input_source.close()
def _autosave(self):
if self.autosave_file:
self.save(self.autosave_file)
def set_presence(self, user, presence):
self.presence[user] = presence
def has_presence(self, user, presence):
try:
return self.presence[user] == presence
except KeyError:
return False
def set_typing(self, room_id, user, is_typing, timeout=0):
if is_typing:
ts = int(round(time.time() * 1000))
self.typing[(room_id, user)] = ts + timeout
else:
del self.typing[(room_id, user)]
def is_typing(self, room_id, user):
ts = int(round(time.time() * 1000))
try:
return self.typing[(room_id, user)] > ts
except KeyError:
return False
def is_registered(self, user):
return user in self.registrations
def registered(self, user):
self.registrations.add(user)
self._autosave()
def get_membership(self, room, user):
return self.memberships.get(room, {}).get(user, "left")
def is_joined(self, room, user):
return self.get_membership(room, user) == "join"
def set_membership(self, room, user, membership):
if room not in self.memberships:
self.memberships[room] = {}
self.memberships[room][user] = membership
self._autosave()
def joined(self, room, user):
return self.set_membership(room, user, "join")
def invited(self, room, user):
return self.set_membership(room, user, "invite")
def left(self, room, user):
return self.set_membership(room, user, "left")
def has_power_levels(self, room):
return room in self.power_levels
def get_power_levels(self, room):
return self.power_levels[room]
def has_power_level(self, room, user, event, is_state_event=False, default=None):
room_levels = self.power_levels.get(room, {})
default_required = default or (room_levels.get("state_default", 50) if is_state_event
else room_levels.get("events_default", 0))
required = room_levels.get("events", {}).get(event, default_required)
has = room_levels.get("users", {}).get(user, room_levels.get("users_default", 0))
return has >= required
def set_power_level(self, room, user, level):
if room not in self.power_levels:
self.power_levels[room] = {
"users": {},
"events": {},
}
elif "users" not in self.power_levels[room]:
self.power_levels[room]["users"] = {}
self.power_levels[room]["users"][user] = level
self._autosave()
def set_power_levels(self, room, content):
if "events" not in content:
content["events"] = {}
if "users" not in content:
content["users"] = {}
self.power_levels[room] = content
self._autosave()

View File

@@ -1,4 +1,5 @@
aiohttp
mautrix-appservice
ruamel.yaml
python-magic
SQLAlchemy
@@ -6,4 +7,3 @@ alembic
Markdown
Pillow
future-fstrings
cryptg

View File

@@ -1 +1,2 @@
lxml
cryptg

View File

@@ -18,6 +18,7 @@ setuptools.setup(
install_requires=[
"aiohttp>=3.0.1,<4",
"mautrix-telegram>=0.1,<0.2",
"SQLAlchemy>=1.2.3,<2",
"alembic>=0.9.8,<0.10",
"Markdown>=2.6.11,<3",
@@ -25,7 +26,6 @@ setuptools.setup(
"Pillow>=5.0.0,<6",
"future-fstrings>=0.4.2",
"python-magic>=0.4.15,<0.5",
"cryptg>=0.1,<0.2",
"telethon-aio>=0.18,<0.19" if sys.version_info >= (3, 6) else "telethon-aio-git",
],
dependency_links=[
@@ -33,10 +33,11 @@ setuptools.setup(
],
extras_require={
"highlight_edits": ["lxml>=4.1.1,<5"],
"fast_crypto": ["cryptg>=0.1,<0.2"],
},
classifiers=[
"Development Status :: 4 Beta",
"Development Status :: 4 - Beta",
"License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
"Topic :: Communications :: Chat",
"Programming Language :: Python",