147 lines
3.5 KiB
Python
Executable File
147 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# bbb-download.py
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#
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# BBB recording downloader
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# Tries to record all files that are part of a BBB recording "as-is" to disk
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#
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# Copyright (c) 2023 Sylvain Munaut <tnt@246tNt.com>
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# SPDX-License-Identifier: MIT
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#
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import argparse
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import json
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import pathlib
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import re
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import requests
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import urllib.parse
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import bbb
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def bbb_slides_dl(fh):
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rv = []
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doc = json.load(fh)
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for fid,fc in doc.items():
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# Validate file id
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if not re.match(r'^[0-9a-fA-F]{40,64}-[0-9]+$', fid):
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raise RuntimeError('Unknown document ID format in presentation_text.json')
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# Iterate pages
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for fp in fc.keys():
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# Validate it's a slide
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if not fp.startswith('slide-'):
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raise RuntimeError('Unknown document page type in presentation_text.json')
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# Add to the list of "to download"
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rv.append((f'presentation/{fid:s}/{fp:s}.png', ['presentation', fid, f'{fp:s}.png']))
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return rv
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def bbb_shapes_svg_check(fh):
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print(bbb.parse_shapes_svg(fh))
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return []
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BASE_DL = [
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# URL Path Local Path Handler
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( 'captions.json', 'captions.json', ),
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( 'cursor.xml', 'cursor.xml', ),
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( 'deskshare.xml', 'deskshare.xml', ),
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( 'deskshare/deskshare.webm', 'deskshare.webm', ),
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( 'external_videos.json', 'external_videos.json', ),
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( 'metadata.xml', 'metadata.xml', ),
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( 'notes.xml', 'notes.xml', ),
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( 'panzooms.xml', 'panzooms.xml', ),
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( 'polls.json', 'polls.json', ),
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( 'presentation_text.json', 'presentation_text.json', bbb_slides_dl ),
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( 'shapes.svg', 'shapes.svg', bbb_shapes_svg_check ),
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( 'slides_new.xml', 'slides_new.xml', ),
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( 'video/webcams.webm', 'webcams.webm', ),
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]
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def download_file(url, filename):
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with requests.get(url, stream=True) as r:
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r.raise_for_status()
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with open(filename, 'wb') as f:
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for chunk in r.iter_content(chunk_size=128*1024):
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f.write(chunk)
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def download_all_recursive(opts):
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# Create the base directory
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p_base = opts.dest.absolute()
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p_base.mkdir(parents=True)
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# Create the base url
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u_base = opts.url
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u_base = urllib.parse.urljoin(u_base, f'presentation/{opts.meeting:s}/')
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# Loop init
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to_dl = list(BASE_DL)
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i = 0
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# Iterate until we're done
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while i < len(to_dl):
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# Entry to fetch
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e = to_dl[i]
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e_url = e[0]
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e_path = e[1]
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e_handler = e[2] if len(e) > 2 else None
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# Source URI
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e_url = urllib.parse.urljoin(u_base, e_url)
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# Destination path
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if not isinstance(e_path, list):
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e_path = [e_path]
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e_path = pathlib.Path(p_base, *e_path)
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e_path.parent.mkdir(parents=True, exist_ok=True)
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# Trigger fetch
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print(e_url, e_path)
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try:
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download_file(e_url, e_path)
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except:
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pass
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# If we have a handler, call it
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if callable(e_handler):
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with open(e_path, 'rb') as fh:
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to_dl.extend(e_handler(fh))
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# Next
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i = i + 1
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def parse_opt():
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parser = argparse.ArgumentParser(
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prog = 'bbb-download.py',
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description = 'BBB recording downloader',
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)
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parser.add_argument('-u', '--url', required=True,
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help="BBB instance base URL")
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parser.add_argument('-m', '--meeting', required=True,
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help="Meeting ID")
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parser.add_argument('-d', '--dest', required=True, type=pathlib.Path,
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help="Destination directory")
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return parser.parse_args()
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def main():
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opts = parse_opt()
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download_all_recursive(opts)
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if __name__ == '__main__':
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main()
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