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