bbb_dl.sh

#!/bin/bash
#
# REALLY SHITTY SCRIPT to download BigBlueButton recording
# (this does not record BBB presentations, just archives already recorded ones)
#
# Requires wget, jq (https://stedolan.github.io/jq/) and xq (https://github.com/kislyuk/xq) to be installed.
#
# This script downloads only the resources for a particular presentation without the playback code. That you can get by doing a HAR capture from Firefox and giving it to the command at the bottom of this file.
# This also works if a download is missing some extra features (polls, etc.).
#

wget='wget -nc -x -nH -q --show-progress '


[ -z "$1" ] && echo "You need to provide a link!" && exit 1

meetingId="$(echo $1 | sed 's/.*meetingId=\(.*\)/\1/')"
baseUrl="$(echo $1 | sed 's/\(.*\)\/playback\/.*/\1/')"

echo
echo "Base URL: $baseUrl"
echo "Meeting ID: $meetingId"
echo
read -p "Checks out? (Enter to go, CTRL+C to abort) " -n 1 -r

$wget "${baseUrl}/presentation/${meetingId}/metadata.xml"


meetingTitle="$(xq -r <"presentation/${meetingId}/metadata.xml" .recording.meta.meetingName)"
echo
read -p "Meeting title: " -e -i "${meetingTitle}" meetingTitle
echo

slides="$(xq -r <"presentation/${meetingId}/metadata.xml" '.recording.playback.extensions.preview.images[][]["#text"]')"

files=(
/captions.json 
/cursor.xml 
/deskshare/deskshare.mp4 
/deskshare/deskshare.webm 
/deskshare.xml 
/panzooms.xml 
/presentation/deskshare.png 
/presentation_text.json 
/shapes.svg 
/slides_new.xml 
/video/webcams.mp4 
/video/webcams.webm 
)

for filePath in "${files[@]}"; do
	$wget "${baseUrl}/presentation/${meetingId}${filePath}"
done

slides="$slides"$'\n'"$(jq -r  'keys[] as $k | .[$k] as $s | $s | keys[] as $a | "'$baseUrl"/presentation/"$meetingId'/presentation/" + $k + "/" + $a + ".png"' <"presentation/${meetingId}/presentation_text.json")"

echo "$slides" | xargs -n1 $wget

echo "<a href=\"playback/presentation/2.0/playback.html?meetingId=${meetingId}\">${meetingTitle}</a><br>" >> index.html

#
# HAR-based download:
#
# 	jq -r <"FILENAME_GOES_HERE" .log.entries[].request.url | sort | uniq | grep -v '/playback/' | xargs -n1 wget -nc -x -nH
#