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#!/bin/sh
# To make this event script work add the apache2_dav.conf file
# from /usr/share/doc/cryptobox/conf-examples/ to your apache
# configuration directory (e.g. /etc/apache2/conf.d)
#
# This event script manages apache webdav
# - after mounting: add the new webdav share
# - before umounting: disable and remove the webdav share
#
#
#
# Params: $event $device $volume_name $volume_type $mount_dir
#
# event: premount | postmount | preumount | postumount
# device: name of the device
# volume_name: name of the volume
# volume_type: plain | luks
# mount_dir: mount directory
#
set -eu
# ------------=-=-=- some settings -=-=-=-----------------
# adapt this part of the file to your setup
APACHE_SCRIPT=/etc/init.d/apache2
APACHE_CONF_DIR=/var/cache/cryptobox-server/settings/misc/apache2_dav.conf.d
# this apache config snippet is used for every published volume
# _VOLUME_NAME_ and _SHARE_DIR_ are replaced by their actual values
APACHE_SHARE_TEMPLATE=$(cat - <<-"EOF"
Alias "/cryptonas/_VOLUME_NAME_" "_SHARE_DIR_"
# this is an automatically generarted file for the CryptoNAS
# please do not change
<Location "/cryptonas/_VOLUME_NAME_">
Dav filesystem
</Location>
EOF
)
# no need for changes from here on..
# -----=-=-=- check arguments and the environment -=-=-=----
# exit if apache2 is not installed
if test -x "$APACHE_SCRIPT"
then true
else echo "apache2 is not installed ('$APACHE_SCRIPT' not found)" >&2
exit 1
fi
# create include-file directory
if test ! -d ${APACHE_CONF_DIR}
echo "apache2_dav include-file directory does not exist, creating it" >&2
then mkdir -p ${APACHE_CONF_DIR}
chmod 775 ${APACHE_CONF_DIR}
fi
# check event argument
if test "$#" -eq 0
then echo "Syntax: $(basename $0) EVENT [EVENT_INFORMATION]" >&2
exit 1
fi
event=$1
# ------------=-=-=- some functions -=-=-=-----------------
# keep the include file directory clean
update_include_conf_dir()
{
# if a webdav alias is given but no corresponding mount dir exists
# then remove the includefile
find "$APACHE_CONF_DIR" -type f -name "*.conf" | while read fname
do mdir=$(head -1 "$fname" | cut -f 4 -d '"')
test ! -d "$mdir" && rm "$fname"
done
}
empty_conf_dir()
{
find "$APACHE_CONF_DIR" -type f -name "*.conf" -print0 | xargs -0 rm
}
send_reload_command()
{
# reload config files
"$APACHE_SCRIPT" reload
}
# -----------------=-=-=- main -=-=-=----------------------
case "$event" in
premount|postumount )
;;
postmount )
vol_name="$3"
mountdir="$5"
echo "$APACHE_SHARE_TEMPLATE" | sed s\#_SHARE_DIR_\#"$mountdir"\#g | sed s\#_VOLUME_NAME_\#"$vol_name"\#g > ${APACHE_CONF_DIR}/${vol_name}.conf
update_include_conf_dir
send_reload_command
;;
preumount )
vol_name="$3"
rm "$APACHE_CONF_DIR/${vol_name}.conf" || true
update_include_conf_dir
send_reload_command
;;
shutdown | bootup )
empty_conf_dir
;;
* )
# ignore all events that we do not support
exit 0
;;
esac
exit 0