quick-jibri-installer/excalidraw-backend.sh

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#!/bin/bash
# Excalidraw Jitsi Backend Installer
# SwITNet Ltd © - 2023, https://switnet.net/
# GPLv3 or later.
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# Reset
Color_Off='\e[0m' # Text Reset
# Regular Colors
Black='\e[0;30m' # Black
Red='\e[0;31m' # Red
Green='\e[0;32m' # Green
Yellow='\e[0;33m' # Yellow
Blue='\e[0;34m' # Blue
Purple='\e[0;35m' # Purple
Cyan='\e[0;36m' # Cyan
printwc() {
printf "%b$2%b" "$1" "${Color_Off}"
}
print_title() {
printwc "${Blue}" "\n#--------------------------------------------------"
printwc "${Blue}" "\n# $1"
printwc "${Blue}" "\n#--------------------------------------------------\n"
}
while getopts m: option
do
case "${option}"
in
m) MODE=${OPTARG};;
\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
esac
done
#DEBUG
if [ "$MODE" = "debug" ]; then
set -x
fi
if ! [ "$(id -u)" = 0 ]; then
echo "You need to be root or have sudo privileges!"
exit 0
fi
clear
echo -e '\n
########################################################################
Excalidraw Jitsi Backend Installer
########################################################################
by Software, IT & Networks Ltd
\n'
DOMAIN="$(find /etc/prosody/conf.d/ -name \*.lua|awk -F'.cfg' '!/localhost/{print $1}'|xargs basename)"
WS_CONF="/etc/nginx/sites-available/$DOMAIN.conf"
PROSODY_FILE="/etc/prosody/conf.d/$DOMAIN.cfg.lua"
MEET_CONF="/etc/jitsi/meet/$DOMAIN-config.js"
WS_MATCH1='# ensure all static content can always be found first'
PROS_MATCH1='"av_moderation";'
PROS_MATCH2='breakout_rooms_muc = "breakout.'
PROS_MATCH3='VirtualHost "recorder.'
CONFIG_MATCH1='Settings for the GIPHY integration'
EXCALIDRAW_HOME="/opt/excalidraw"
EXCAL_MATCH1="prometheus.metrics(io"
EXCAL_NEW_PORT="9091"
EXCAL_PORT_FILE="$EXCALIDRAW_HOME/backend/src/index.ts"
# Test for matches
test_match() {
if grep -q "$1" "$2" ; then
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echo "$(basename "$2") - OK..."
else
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echo "$(basename "$2"), FAIL..."
echo "Please report this to https://forge.switnet.net/switnet/quick-jibri-installer"
exit
fi
}
# Make sure we can rely on the match strings.
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printf "Testing match strings on config files.\n"
test_match "$WS_MATCH1" "$WS_CONF"
test_match "$PROS_MATCH1" "$PROSODY_FILE"
test_match "$PROS_MATCH2" "$PROSODY_FILE"
test_match "$PROS_MATCH3" "$PROSODY_FILE"
test_match "$PROS_MATCH3" "$PROSODY_FILE"
test_match "$CONFIG_MATCH1" "$MEET_CONF"
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#--------------------------------------------------
print_title "Setup excalidraw backend."
#--------------------------------------------------
adduser --home "$EXCALIDRAW_HOME" --disabled-password --gecos "" excalidraw
git clone https://github.com/jitsi/excalidraw-backend "$EXCALIDRAW_HOME/backend"
test_match "$EXCAL_MATCH1" "$EXCAL_PORT_FILE"
chown -R excalidraw:excalidraw "$EXCALIDRAW_HOME"
cd "$EXCALIDRAW_HOME/backend"
sudo -u excalidraw cp .env.development .env.production
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# Use documented port to get some sort of standarization.
if sed -n "/$EXCAL_MATCH1/,/});/p" "$EXCAL_PORT_FILE" |grep -q port: ; then
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echo "> Update predefined port for metrics to $EXCAL_NEW_PORT\n"
sed -i "/$EXCAL_MATCH1/,/});/s|port:.*,|port: $EXCAL_NEW_PORT,|" "$EXCAL_PORT_FILE"
else
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echo "> Define new port from default to $EXCAL_NEW_PORT\n"
sed -i "/$EXCAL_MATCH1/a \ \ \ \ port: $EXCAL_NEW_PORT," "$EXCAL_PORT_FILE"
fi
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printf "\nInstalling npm backend.\n"
sudo -u excalidraw npm install
sudo -u excalidraw npm run build
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#--------------------------------------------------
print_title "Setup system & jitsi config files."
#--------------------------------------------------
# Enable websocket on nginx
sed -i "/$WS_MATCH1/i \\\n" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ location = /socket.io/ {" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ proxy_pass http://127.0.0.1:3002/socket.io/?\$args;" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ proxy_http_version 1.1;" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ proxy_set_header Upgrade \$http_upgrade;" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ proxy_set_header Connection \"upgrade\";" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ proxy_set_header Host \$http_host;" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ \ \ \ \ tcp_nodelay on;" "$WS_CONF"
sed -i "/$WS_MATCH1/i \ \ \ \ }" "$WS_CONF"
sed -i "/$WS_MATCH1/i \\\n" "$WS_CONF"
if grep -rq room_metadata /etc/prosody/conf.d/ ;then
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echo "> Prosody seems to be already configured."
else
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echo "> Setting up prosody for whiteboard..."
# Modules enabled
sed -i "/$PROS_MATCH1/a \ \ \ \ \ \ \ \ \"room_metadata\";" "$PROSODY_FILE"
# Define internal component
sed -i "/$PROS_MATCH2/a \ \ \ \ room_metadata_component = \"metadata.$DOMAIN\"" "$PROSODY_FILE"
# Register component
sed -i "/$PROS_MATCH3/i \\\n" "$PROSODY_FILE"
sed -i "/$PROS_MATCH3/i Component \"metadata.$DOMAIN\" \"room_metadata_component\"" "$PROSODY_FILE"
sed -i "/$PROS_MATCH3/i \ \ \ \ muc_component = \"conference.$DOMAIN\"" "$PROSODY_FILE"
sed -i "/$PROS_MATCH3/i \ \ \ \ breakout_rooms_component = \"breakout.$DOMAIN\"" "$PROSODY_FILE"
sed -i "/$PROS_MATCH3/i \\\n" "$PROSODY_FILE"
fi
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echo "Checking for whitebord setup at $(basename "$MEET_CONF")."
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if [ -z "$(sed -n '/whiteboard: {/,/},/p' "$MEET_CONF")" ]; then
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echo "> No present configuration on current config.js file"
sed -i "/$CONFIG_MATCH1/i \\\n" "$MEET_CONF"
sed -i "/$CONFIG_MATCH1/i \ \ \ \ whiteboard: {" "$MEET_CONF"
sed -i "/$CONFIG_MATCH1/i \ \ \ \ \ \ \ \ enabled: true," "$MEET_CONF"
sed -i "/$CONFIG_MATCH1/i \ \ \ \ \ \ \ \ collabServerBaseUrl: 'https://$DOMAIN'" "$MEET_CONF"
sed -i "/$CONFIG_MATCH1/i \ \ \ \ }," "$MEET_CONF"
sed -i "/$CONFIG_MATCH1/i \\\n" "$MEET_CONF"
else
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echo "> Enabling configuration on current config.js file"
sed -i "/whiteboard: {/,/},/s|// ||" "$MEET_CONF"
sed -i "/collabServerBaseUrl:/s|'https://.*'|'https://$DOMAIN'|" "$MEET_CONF"
fi
if sed -n '/toolbarButtons: \[/,/\],/p' "$MEET_CONF" | \
grep -v '//'| grep -q whiteboard ; then
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echo "> Whiteboard toolbar already enabled."
elif sed -n '/toolbarButtons: \[/,/\],/p' "$MEET_CONF" | \
grep -v '//'|grep -q toolbarButtons: ; then
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echo "> Enabling whiteboard toolbar."
sed -i "/toolbarButtons:/a \ \ \ \ \ \ \ 'whiteboard'," "$MEET_CONF"
else
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echo "> ToolbarButtons not customized, whiteboard should be enabled by default,"
echo " otherwise, please report to: https://forge.switnet.net/switnet/quick-jibri-installer/issues"
fi
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printf "\n# Add systemd service\n"
cat << EOF > /etc/systemd/system/excalidraw.service
[Unit]
Description=Excalidraw backend
After=network-online.target
[Service]
User=excalidraw
Group=excalidraw
WorkingDirectory=$EXCALIDRAW_HOME/backend
ExecStart=npm start
Restart=always
RestartSec=5s
[Install]
WantedBy=multi-user.target
EOF
systemctl enable excalidraw.service
systemctl start excalidraw.service
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printwc "${Green}" "\nExcalidraw setup complete!\n"