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nc-notify-updates.sh « nextcloudpi-config.d « etc - github.com/nextcloud/nextcloudpi.git - Unnamed repository; edit this file 'description' to name the repository.
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#!/bin/bash

# Install the latest News third party app
#
# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# Usage:
# 
#   ./installer.sh nc-notify-updates.sh <IP> (<img>)
#
# See installer.sh instructions for details
# More at: https://ownyourbits.com
#

ACTIVE_=yes
CHECKINTERVAL=60
DESCRIPTION="Notify in NC when a NextCloudPi update is available"

NCDIR=/var/www/nextcloud

install()
{
  # install app
  local URL=$( curl -s https://api.github.com/repos/nextcloud/admin_notifications/releases | \
                 grep browser_download_url | head -1 | cut -d '"' -f 4 )
  cd /var/www/nextcloud/apps
  wget $URL -O admin_notifications.tar.gz
  tar -xf admin_notifications.tar.gz
  rm *.tar.gz
  chown -R www-data:www-data *
  sudo -u www-data php /var/www/nextcloud/occ app:enable admin_notifications

  # code
  cat > /usr/local/bin/ncp-notify-update <<'EOF'
#!/bin/bash
VERFILE=/usr/local/etc/ncp-version
LATEST=/var/run/.ncp-latest-version
NOTIFIED=/var/run/.ncp-version-notified

test -e $LATEST  || exit 0;
ncp-test-updates || { echo "NextCloudPi up to date"; exit 0; }

test -e $NOTIFIED && [[ "$( cat $LATEST )" == "$( cat $NOTIFIED )" ]] && { 
  echo "Found update from $( cat $VERFILE ) to $( cat $LATEST ). Already notified" 
  exit 0
}

echo "Found update from $( cat $VERFILE ) to $( cat $LATEST ). Sending notification..."

IFACE=$( ip r | grep "default via" | awk '{ print $5 }' )
IP=$( ip a | grep "global $IFACE" | grep -oP '\d{1,3}(.\d{1,3}){3}' | head -1 )

sudo -u www-data php /var/www/nextcloud/occ notification:generate \
  admin "NextCloudPi $( cat $VERFILE )" \
     -l "NextCloudPi $( cat $LATEST ) is available. Update from https://$IP:4443"

cat $LATEST > $NOTIFIED
EOF
  chmod +x /usr/local/bin/ncp-notify-update

  # timers
  cat > /etc/systemd/system/nc-notify-updates.service <<EOF
[Unit]
Description=Notify in NC when a NextCloudPi update is available

[Service]
Type=simple
ExecStart=/usr/local/bin/ncp-notify-update

[Install]
WantedBy=default.target
EOF
}

configure()
{
  [[ $ACTIVE_ != "yes" ]] && {
    systemctl stop    nc-notify-updates.timer
    systemctl disable nc-notify-updates.timer
    echo "update web notifications disabled"
    return 0
  }

  cat > /etc/systemd/system/nc-notify-updates.timer <<EOF
[Unit]
Description=Timer notify NCP updates in browser

[Timer]
OnBootSec=${CHECKINTERVAL}min
OnUnitActiveSec=${CHECKINTERVAL}min
Unit=nc-notify-updates.service

[Install]
WantedBy=timers.target
EOF

  systemctl daemon-reload
  systemctl enable nc-notify-updates.timer
  systemctl start  nc-notify-updates.timer
  echo "update web notifications enabled"
}

cleanup() { :; }

# License
#
# This script is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This script 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA  02111-1307  USA