matrix-puppeteer-line/mautrix_line/commands/auth.py

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# mautrix-line - A very hacky Matrix-LINE bridge based on running LINE's Chrome extension in Puppeteer
# Copyright (C) 2020-2021 Tulir Asokan, Andrew Ferrazzutti
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#
# 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/>.
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from typing import Optional, AsyncGenerator, Tuple
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import io
import qrcode
import PIL as _
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from mautrix.types import TextMessageEventContent, MediaMessageEventContent, MessageType, ImageInfo, EventID
from mautrix.bridge.commands import HelpSection, command_handler
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from .typehint import CommandEvent
SECTION_AUTH = HelpSection("Authentication", 10, "")
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async def login_prep(evt: CommandEvent, login_type: str) -> bool:
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status = await evt.sender.client.start()
if status.is_logged_in:
await evt.reply("You're already logged in")
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return False
if evt.sender.command_status is not None:
action = evt.sender.command_status["action"]
if action == "Login":
await evt.reply(
"A login is already in progress. Please follow the login instructions, "
"or use the `$cmdprefix+sp cancel` command to start over.")
else:
await evt.reply(f"Cannot login while a {action} command is active.")
return False
evt.sender.command_status = {
"action": "Login",
"login_type": login_type,
}
return True
async def login_do(evt: CommandEvent, gen: AsyncGenerator[Tuple[str, str], None]) -> None:
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qr_event_id: Optional[EventID] = None
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pin_event_id: Optional[EventID] = None
failure = False
async for item in gen:
if item[0] == "qr":
url = item[1]
buffer = io.BytesIO()
image = qrcode.make(url)
size = image.pixel_size
image.save(buffer, "PNG")
qr = buffer.getvalue()
mxc = await evt.az.intent.upload_media(qr, "image/png", "login-qr.png", len(qr))
content = MediaMessageEventContent(body=url, url=mxc, msgtype=MessageType.IMAGE,
info=ImageInfo(mimetype="image/png", size=len(qr),
width=size, height=size))
if qr_event_id:
content.set_edit(qr_event_id)
await evt.az.intent.send_message(evt.room_id, content)
else:
content.set_reply(evt.event_id)
qr_event_id = await evt.az.intent.send_message(evt.room_id, content)
elif item[0] == "pin":
pin = item[1]
content = TextMessageEventContent(body=pin, msgtype=MessageType.NOTICE)
if pin_event_id:
content.set_edit(pin_event_id)
await evt.az.intent.send_message(evt.room_id, content)
else:
content.set_reply(evt.event_id)
pin_event_id = await evt.az.intent.send_message(evt.room_id, content)
elif item[0] in ("failure", "error"):
# TODO Handle errors differently?
failure = True
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reason = item[1]
if reason:
content = TextMessageEventContent(body=reason, msgtype=MessageType.NOTICE)
await evt.az.intent.send_message(evt.room_id, content)
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# else: pass
if not failure and evt.sender.command_status:
await evt.reply("Successfully logged in, now syncing")
await evt.sender.sync()
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# else command was cancelled or failed. Don't post message about it, "cancel" command or failure did already
evt.sender.command_status = None
@command_handler(needs_auth=False, management_only=True, help_section=SECTION_AUTH,
help_text="Log into LINE via QR code")
async def login_qr(evt: CommandEvent) -> None:
if not await login_prep(evt, "qr"):
return
gen = evt.sender.client.login(evt.sender)
await login_do(evt, gen)
@command_handler(needs_auth=False, management_only=True, help_section=SECTION_AUTH,
help_text="Log into LINE via email/password",
help_args="<_email_> <_password_>")
async def login_email(evt: CommandEvent) -> None:
if len(evt.args) != 2:
await evt.reply("Usage: `$cmdprefix+sp login <email> <password>`")
return
if not await login_prep(evt, "email"):
return
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await evt.az.intent.redact(evt.room_id, evt.event_id)
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gen = evt.sender.client.login(
evt.sender,
login_data=dict(email=evt.args[0], password=evt.args[1]))
await login_do(evt, gen)