import argparse import base64 import io import json import logging import re import threading import time from typing import Dict import urllib from matrix_client.api import MatrixHttpApi import PIL import requests import flask import message_queue LOG = logging.getLogger(__name__) USER_RE = re.compile(r"(?<=\@).*(?=\:)") global_msg_queue = None app = flask.Flask(__name__) roomsync = set() @app.route("/transactions/", methods=["PUT"]) def on_receive_events(transaction): global global_msg_queue LOG.info("got event") events = flask.request.get_json()["events"] for event in events: LOG.info("User: %s Room: %s" % (event["user_id"], event["room_id"])) LOG.info("Event Type: %s" % event["type"]) LOG.info("Content: %s" % event["content"]) roomsync.add(event["room_id"]) if ( event["type"] == "m.room.message" and event["content"]["msgtype"] == "m.text" and event["user_id"].find("@mc_") == -1 ): m_user = USER_RE.search(event["user_id"]).group(0) m_cont = event["content"]["body"] m_user, m_cont if global_msg_queue is not None: global_msg_queue.add({ "command", '/tellraw @a {"text":"<{}> {}","insertion":"/tellraw @p %s"}'.format( m_user, m_cont ), }) else: LOG.warning("No message queue available") return flask.jsonify({}) @app.route("/rooms/", methods=["GET"]) def on_room(room): LOG.info("returning: " + str(room)) return flask.jsonify({}) class Appservice: def __init__(self, appservice_token: str, matrix_server_name: str): self.api = MatrixHttpApi( "http://localhost:8008", token=appservice_token ) self.avatar_update_log: Dict[str, float] = {} self.matrix_server_name = matrix_server_name def process_message(self, msg): # for msg, create user and post as user # add minecraft user to minecraft channel, if this fails, no big deal try: new_user = "mc_" + msg["user"] user_id = "@{}:{}".format(new_user, self.matrix_server_name) LOG.info("trying to create user {}...".format(new_user)) self.api.register( {"type": "m.login.application_service", "username": new_user} ) except Exception as e: LOG.exception(e) # for each room we're aware of, post server chat inside. Eventually 1 room should equal 1 server for room in roomsync: # generate a unique transaction id based on the current time txn_id = str(int(time.time() * 1000)) # attempt to join room LOG.info("trying to join room as user and as bridge manager") self.api._send( "POST", "/rooms/" + room + "/join", query_params={"user_id": user_id}, headers={"Content-Type": "application/json"}, ) self.api._send( "POST", "/rooms/" + room + "/join", headers={"Content-Type": "application/json"}, ) # set our display name to something nice LOG.info("trying to set display name...") self.api._send( "PUT", "/profile/" + user_id + "/displayname/", content={"displayname": msg["user"]}, query_params={"user_id": user_id}, headers={"Content-Type": "application/json"}, ) # get our mc skin!! # backup: #avatar_url = "https://www.minecraftskinstealer.com/face.php?u="+msg['user'] # only get this if the user hasn't updated in a long time try: LOG.info("Checking if we need to update avatar...") if ( msg["user"] not in self.avatar_update_log.keys() or abs(self.avatar_update_log[msg["user"]] - time.time()) > 180 ): self.avatar_update_log[msg["user"]] = time.time() avatar_url = self.get_mc_skin(msg["user"], user_id) if avatar_url: LOG.debug("avatar_url is " + avatar_url) self.api._send( "PUT", "/profile/" + user_id + "/avatar_url/", content={"avatar_url": avatar_url}, query_params={"user_id": user_id}, headers={"Content-Type": "application/json"}, ) except Exception as e: LOG.exception(e) # Not the end of the world if it fails, send the message now. # attempt to post in room LOG.info("Attempting to post in Room") self.api._send( "PUT", "/rooms/" + room + "/send/m.room.message/" + txn_id, content={"msgtype": "m.text", "body": msg["msg"]}, query_params={"user_id": user_id}, headers={"Content-Type": "application/json"}, ) def get_mc_skin(self, user, user_id): LOG.info("Getting Minecraft Avatar") mojang_info = requests.get( "https://api.mojang.com/users/profiles/minecraft/" + user ).json() # get uuid mojang_info = requests.get( "https://sessionserver.mojang.com/session/minecraft/profile/" + mojang_info["id"] ).json() # get more info from uuid mojang_info = json.loads( base64.b64decode(mojang_info["properties"][0]["value"]) ) mojang_url = mojang_info["textures"]["SKIN"]["url"] # r = requests.get(mojang_url, stream=True) # r.raw.decode_content = True # handle spurious Content-Encoding file = io.BytesIO(urllib.request.urlopen(mojang_url).read()) im = PIL.Image.open(file) img_head = im.crop((8, 8, 16, 16)) img_head = img_head.resize( (im.width * 8, im.height * 8), resample=PIL.Image.NEAREST ) # Resize with nearest neighbor to get pixels image_buffer_head = io.BytesIO() img_head.save(image_buffer_head, "PNG") # compare to user's current id so we're not uploading the same pic twice # GET /_matrix/client/r0/profile/{userId}/avatar_url LOG.info("Getting Current Avatar URL") curr_url = self.api._send( "GET", "/profile/" + user_id + "/avatar_url/", query_params={"user_id": user_id}, headers={"Content-Type": "application/json"}, ) upload = True if "avatar_url" in curr_url.keys(): LOG.info("Checking Avatar...") file = io.BytesIO( urllib.request.urlopen( self.api.get_download_url(curr_url["avatar_url"]) ).read() ) im = PIL.Image.open(file) image_buffer_curr = io.BytesIO() im.save(image_buffer_curr, "PNG") if (image_buffer_head.getvalue()) == (image_buffer_curr.getvalue()): LOG.debug("Image Same") upload = False if upload: # upload img # POST /_matrix/media/r0/upload LOG.debug("Returning updated avatar") LOG.debug(image_buffer_head) return self.api.media_upload( image_buffer_head.getvalue(), "image/png" )["content_uri"] else: return None def receive_messages( appservice: Appservice, msg_queue: message_queue.MessageQueue ): for message in msg_queue: appservice.process_message(message) def main(): logging.basicConfig(level=logging.DEBUG) parser = argparse.ArgumentParser() parser.add_argument("--matrix_server_name", required=True) parser.add_argument("--appservice_token", required=True) parser.add_argument("--matrix_api_port", type=int, default=5000) parser.add_argument("--minecraft_wrapper_port", type=int, default=5001) args = parser.parse_args() LOG.info("Running Minecraft Matrix Bridge") appservice = Appservice( appservice_token=args.appservice_token, matrix_server_name=args.matrix_server_name, ) global_msg_queue = message_queue.MessageQueue( host="0.0.0.0", port=args.minecraft_wrapper_port, side=message_queue.Side.SERVER, ) flask_thread = threading.Thread( target=app.run, kwargs={"port": args.matrix_api_port}, daemon=True, ) receive_worker = threading.Thread( target=receive_messages, args=(appservice, global_msg_queue), daemon=True, ) flask_thread.start() receive_worker.start() LOG.info("All threads created") receive_worker.join() flask_thread.join() global_msg_queue.close() LOG.info("All threads terminated") if __name__ == "__main__": main()