docker/mod/nginx/bbb/presentation-slides.nginx

#
# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
#
# Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
#

# Have nginx serve the presentation slides instead of tomcat as large files
# causes tomcat to OOM. (ralam sept 20, 2018)

        location ~^\/bigbluebutton\/presentation\/(?<meeting_id_1>[A-Za-z0-9\-]+)\/(?<meeting_id_2>[A-Za-z0-9\-]+)\/(?<pres_id>[A-Za-z0-9\-]+)\/svg\/(?<page_num>\d+)$ {
		default_type image/svg+xml;
                alias    /var/bigbluebutton/$meeting_id_2/$meeting_id_2/$pres_id/svgs/slide$page_num.svg;
                if ($bbb_loadbalancer_node) {
                    add_header 'Access-Control-Allow-Origin' $bbb_loadbalancer_node always;
                }
        }

        location ~^\/bigbluebutton\/presentation\/(?<meeting_id_1>[A-Za-z0-9\-]+)\/(?<meeting_id_2>[A-Za-z0-9\-]+)\/(?<pres_id>[A-Za-z0-9\-]+)\/slide\/(?<page_num>\d+)$ {
                alias    /var/bigbluebutton/$meeting_id_2/$meeting_id_2/$pres_id/slide-$page_num.swf;
                if ($bbb_loadbalancer_node) {
                    add_header 'Access-Control-Allow-Origin' $bbb_loadbalancer_node always;
                }
        }

        location ~^\/bigbluebutton\/presentation\/(?<meeting_id_1>[A-Za-z0-9\-]+)\/(?<meeting_id_2>[A-Za-z0-9\-]+)\/(?<pres_id>[A-Za-z0-9\-]+)\/thumbnail\/(?<page_num>\d+)$ {
		default_type image/png;
                alias    /var/bigbluebutton/$meeting_id_2/$meeting_id_2/$pres_id/thumbnails/thumb-$page_num.png;
                if ($bbb_loadbalancer_node) {
                    add_header 'Access-Control-Allow-Origin' $bbb_loadbalancer_node always;
                }
        }

        location ~^\/bigbluebutton\/presentation\/(?<meeting_id_1>[A-Za-z0-9\-]+)\/(?<meeting_id_2>[A-Za-z0-9\-]+)\/(?<pres_id>[A-Za-z0-9\-]+)\/textfiles\/(?<page_num>\d+)$ {
		default_type text/plain;
                alias    /var/bigbluebutton/$meeting_id_2/$meeting_id_2/$pres_id/textfiles/slide-$page_num.txt;
                if ($bbb_loadbalancer_node) {
                    add_header 'Access-Control-Allow-Origin' $bbb_loadbalancer_node always;
                }
        }