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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
USER_=admin
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
# 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
ExecStartPost=/usr/local/bin/ncp-notify-unattended-upgrade
[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
}
# 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 \
$USER_ "NextCloudPi update" \
-l "Update from \$( cat \$VERFILE ) to \$( cat \$LATEST ) is available. Update from https://\$IP:4443"
cat \$LATEST > \$NOTIFIED
EOF
chmod +x /usr/local/bin/ncp-notify-update
cat > /usr/local/bin/ncp-notify-unattended-upgrade <<EOF
#!/bin/bash
LOGFILE=/var/log/unattended-upgrades/unattended-upgrades.log
STAMPFILE=/var/run/.ncp-notify-unattended-upgrades
VERFILE=/usr/local/etc/ncp-version
test -e "\$LOGFILE" || { echo "\$LOGFILE not found"; exit 1; }
# find lines with package updates
LINE=\$( grep "INFO Packages that will be upgraded:" "\$LOGFILE" )
[[ "\$LINE" == "" ]] && { echo "no new upgrades"; exit 0; }
# extract package names
PKGS=\$( sed 's|^.*Packages that will be upgraded: ||' <<< "\$LINE" | tr '\\n' ' ' )
# mark lines as read
sed -i 's|INFO Packages that will be upgraded:|INFO Packages that will be upgraded :|' \$LOGFILE
echo -e "Packages automatically upgraded: \$PKGS\\n"
# notify
sudo -u www-data php /var/www/nextcloud/occ notification:generate \
$USER_ "NextCloudPi Unattended Upgrades" \
-l "Packages automatically upgraded \$PKGS"
EOF
chmod +x /usr/local/bin/ncp-notify-unattended-upgrade
# timer
cat > /etc/systemd/system/nc-notify-updates.timer <<EOF
[Unit]
Description=Timer notify NCP updates in browser
[Timer]
OnBootSec=${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"
}
# 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
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