116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
import asyncio
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import copy
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import os
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import zipfile
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from pathlib import Path
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from typing import Union, List
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from urllib.parse import urlparse
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import aioboto3
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import aiofiles
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from nio import (
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RedactedEvent,
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RoomMessageFormatted,
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RoomMessageMedia,
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Event,
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RoomMessagesError,
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AsyncClient,
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MessageDirection
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)
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"""
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Inspired by https://github.com/russelldavies/matrix-archive/blob/master/matrix-archive.py
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"""
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class RoomEvents:
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def __init__(self, room_id: str):
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self._room_id = room_id
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self._events: List[Event] = []
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def add_event(self, event):
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self._events.append(event)
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def all(self):
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return copy.deepcopy(self._events)
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def jsonify(self):
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dump = [x.source for x in self._events]
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return dump
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def is_valid_event(event: Event):
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return isinstance(event, (RoomMessageFormatted, RedactedEvent, RoomMessageMedia))
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async def download_mxc(client: AsyncClient, url: str) -> bytes:
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mxc = urlparse(url)
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response = await client.download(mxc.netloc, mxc.path.strip("/"))
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if hasattr(response, "body"):
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return response.body
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else:
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return b''
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async def zip_directory(directory_path, zip_path):
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loop = asyncio.get_event_loop()
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await loop.run_in_executor(None, _zip_directory, directory_path, zip_path)
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def _zip_directory(directory_path, zip_path):
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with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED) as zip_file:
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for root, dirs, files in os.walk(directory_path):
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for file in files:
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file_path = str(os.path.join(root, file))
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zip_file.write(file_path, os.path.relpath(file_path, directory_path))
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async def upload_to_r2(source_file: Union[str, Path], destination_file: str, bucket_name: str, accountid: str, access_key_id: str, access_key_secret: str):
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session = aioboto3.Session(
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aws_access_key_id=access_key_id,
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aws_secret_access_key=access_key_secret,
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)
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async with session.resource(
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service_name="s3",
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endpoint_url=f'https://{accountid}.r2.cloudflarestorage.com',
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) as s3:
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bucket = await s3.Bucket(bucket_name)
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async with aiofiles.open(source_file, 'rb') as f:
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return await bucket.upload_fileobj(f, destination_file)
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def trim_filename(filename, max_length=255):
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extension = os.path.splitext(filename)[1]
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max_length -= len(extension)
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if len(filename) > max_length:
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filename = filename[:max_length]
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filename += extension
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return filename
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async def fetch_events(client: AsyncClient, room_id: str, start_token: str, direction: MessageDirection) -> RoomEvents:
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room_events = RoomEvents(room_id)
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events = []
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while True:
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response = await client.room_messages(
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room_id,
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start=start_token,
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limit=1000,
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direction=direction
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)
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if isinstance(response, RoomMessagesError):
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raise Exception(f'Failed to read room "{room_id}": {response.message}')
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if len(response.chunk) == 0:
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break
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events.extend(event for event in response.chunk)
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start_token = response.end
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if direction == MessageDirection.back:
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events = reversed(events)
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for event in events:
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room_events.add_event(event)
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return room_events
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