# matrix-puppeteer-line - A very hacky Matrix-LINE bridge based on running LINE's Chrome extension in Puppeteer # Copyright (C) 2020-2021 Tulir Asokan, Andrew Ferrazzutti # # 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 . from typing import Optional, AsyncGenerator, Tuple import io import qrcode import PIL as _ from mautrix.types import TextMessageEventContent, MediaMessageEventContent, MessageType, ImageInfo, EventID from mautrix.bridge.commands import HelpSection, command_handler from .typehint import CommandEvent SECTION_AUTH = HelpSection("Authentication", 10, "") async def login_prep(evt: CommandEvent, login_type: str) -> bool: status = await evt.sender.client.start() if status.is_logged_in: await evt.reply("You're already logged in") 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: qr_event_id: Optional[EventID] = None pin_event_id: Optional[EventID] = None failure = False async for item in gen: if item[0] == "qr": message = "Open LINE on your smartphone and scan this QR code:" content = TextMessageEventContent(body=message, msgtype=MessageType.NOTICE) content.set_reply(evt.event_id) await evt.az.intent.send_message(evt.room_id, content) 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: qr_event_id = await evt.az.intent.send_message(evt.room_id, content) elif item[0] == "pin": pin = item[1] message = f"Enter this PIN in LINE on your smartphone:\n{pin}" content = TextMessageEventContent(body=message, msgtype=MessageType.NOTICE) if pin_event_id: content.set_edit(pin_event_id) await evt.az.intent.send_message(evt.room_id, content) else: pin_event_id = await evt.az.intent.send_message(evt.room_id, content) elif item[0] == "login_success": await evt.reply("Successfully logged in, waiting for LINE to load...") elif item[0] in ("login_failure", "error"): # TODO Handle errors differently? failure = True reason = item[1] if reason: content = TextMessageEventContent(body=reason, msgtype=MessageType.NOTICE) await evt.az.intent.send_message(evt.room_id, content) # else: pass if not failure and evt.sender.command_status: await evt.reply("LINE loading complete") await evt.sender.sync() # 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: await evt.az.intent.redact(evt.room_id, evt.event_id) if len(evt.args) != 2: await evt.reply("Usage: `$cmdprefix+sp login-email `") return if not await login_prep(evt, "email"): return await evt.reply("Logging in...") gen = evt.sender.client.login( evt.sender, login_data=dict(email=evt.args[0], password=evt.args[1])) await login_do(evt, gen)