# ============================================================================
# Enable authentication for Jitsi 
#
# Self-hosted Jitsi server with authentication
#    - https://dev.to/noandrea/self-hosted-jitsi-server-with-authentication-ie7
#
# see also: 
#    - https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md
#
#    - https://github.com/jitsi/jitsi-meet/blob/master/doc/manual-install.md
# i============================================================================

FQND_HOSTNAME="meet.oopen.de"
FQND_HOSTNAME="meet.faire-mobilitaet.de"

cp /etc/jitsi/meet/${FQND_HOSTNAME}-config.js /etc/jitsi/meet/${FQND_HOSTNAME}-config.js.ORIG
cp /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua.ORIG
cp /etc/jitsi/jicofo/sip-communicator.properties /etc/jitsi/jicofo/sip-communicator.properties.ORIG


# --
# file: /etc/jitsi/meet/${FQND_HOSTNAME}-config.js
# --

# Section 'host'
#
#     anonymousdomain: 'guest.${FQND_HOSTNAME},
#
if ! $(grep -q -E "^\s*anonymousdomain:\s+'guest.${FQND_HOSTNAME}'\s*," \
       /etc/jitsi/meet/${FQND_HOSTNAME}-config.js 2>/dev/null); then
   perl -i -n -p -e "s#^((\s*)// anonymousdomain:.*)#\1\n\2anonymousdomain: 'guest.${FQND_HOSTNAME}',#" \
      /etc/jitsi/meet/${FQND_HOSTNAME}-config.js
fi

# Section 'host'
#
#     authdomain: 'guest.${FQND_HOSTNAME},
#
if ! $(grep -q -E "^\s*authdomain:\s+'${FQND_HOSTNAME}'\s*," \
       /etc/jitsi/meet/${FQND_HOSTNAME}-config.js 2>/dev/null); then
   perl -i -n -p -e "s#^((\s*)// authdomain:.*)#\1\n\2authdomain: '${FQND_HOSTNAME}',#" \
      /etc/jitsi/meet/${FQND_HOSTNAME}-config.js
fi


# root Section (var config = {)
#
# Enable:
#
#    requireDisplayName: true,
#
if ! $(grep -q -E "^\s*requireDisplayName:\s+true\s*," \
       /etc/jitsi/meet/${FQND_HOSTNAME}-config.js 2>/dev/null); then
   perl -i -n -p -e "s#^((\s*)// requireDisplayName:.*)#\1\n\2requireDisplayName: true,#" \
      /etc/jitsi/meet/${FQND_HOSTNAME}-config.js
fi


# ---
# file: /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua
# ---


# Root section of 'VirtualHost "${FQND_HOSTNAME}"' 
#
#    authentication = "internal_plain"
#
if $(grep -q -E "^\s*authentication\s+=\s+\"anonymous\"" \
       /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua 2>/dev/null); then
   perl -i -n -p -e "s/^(\s*)(authentication\s*=\s*\"anonymous\")/\1--\2\n\1authentication = \"internal_plain\"/" \
      /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua
fi


# Add Section 'VirtualHost "guest.${FQND_HOSTNAME}""
#
if ! $(grep -q -E "^\s*VirtualHost \"guest.${FQND_HOSTNAME}\"" \
       /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua 2>/dev/null); then
   cat <<EOF >> /etc/prosody/conf.avail/${FQND_HOSTNAME}.cfg.lua

VirtualHost "guest.${FQND_HOSTNAME}"
    authentication = "anonymous"
    c2s_require_encryption = false
EOF
fi

# ---
# file: /etc/jitsi/jicofo/sip-communicator.properties
# ---

if ! $(grep -q -E "^\s*org.jitsi.jicofo.auth.URL\s*=\s*XMPP:${FQND_HOSTNAME}" \
       /etc/jitsi/jicofo/sip-communicator.properties 2>/dev/null); then
   cat <<EOF >> /etc/jitsi/jicofo/sip-communicator.properties
org.jitsi.jicofo.auth.URL=XMPP:${FQND_HOSTNAME}
EOF
fi