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#!/bin/bash
# NextCloudPi function library
#
# 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!
#
# More at ownyourbits.com
#
NCPCFG=${NCPCFG:-/usr/local/etc/ncp.cfg}
CFGDIR=/usr/local/etc/ncp-config.d
BINDIR=/usr/local/bin/ncp
BINDIR=/usr/local/bin/ncp
command -v jq &>/dev/null || {
apt-get update
apt-get install -y --no-install-recommends jq
}
[[ -f "$NCPCFG" ]] && {
NCVER=$( jq -r .nextcloud_version < "$NCPCFG")
PHPVER=$( jq -r .php_version < "$NCPCFG")
RELEASE=$(jq -r .release < "$NCPCFG")
}
function configure_app()
{
local ncp_app="$1"
local cfg_file="$CFGDIR/$ncp_app.cfg"
local backtitle="NextCloudPi installer configuration"
local ret=1
# checks
type dialog &>/dev/null || { echo "please, install dialog for interactive configuration"; return 1; }
[[ -f "$cfg_file" ]] || return 0;
local cfg="$( cat "$cfg_file" )"
local len="$(jq '.params | length' <<<"$cfg")"
[[ $len -eq 0 ]] && return
# read cfg parameters
for (( i = 0 ; i < len ; i++ )); do
local var="$(jq -r ".params[$i].id" <<<"$cfg")"
local val="$(jq -r ".params[$i].value" <<<"$cfg")"
local vars+=("$var")
local vals+=("$val")
local idx=$((i+1))
[[ "$val" == "" ]] && val=_
local parameters+="$var $idx 1 $val $idx 15 60 120 "
done
# dialog
local DIALOG_OK=0
local DIALOG_CANCEL=1
local DIALOG_ERROR=254
local DIALOG_ESC=255
local res=0
while test $res != 1 && test $res != 250; do
local value
value="$( dialog --ok-label "Start" \
--no-lines --backtitle "$backtitle" \
--form "Enter configuration for $ncp_app" \
20 70 0 $parameters \
3>&1 1>&2 2>&3 )"
res=$?
case $res in
$DIALOG_CANCEL)
break
;;
$DIALOG_OK)
while read val; do local ret_vals+=("$val"); done <<<"$value"
for (( i = 0 ; i < len ; i++ )); do
# check for invalid characters
grep -q '[\\&#;'"'"'`|*?~<>^"()[{}$&[:space:]]' <<< "${ret_vals[$i]}" && { echo "Invalid characters in field ${vars[$i]}"; return 1; }
cfg="$(jq ".params[$i].value = \"${ret_vals[$i]}\"" <<<"$cfg")"
done
ret=0
break
;;
$DIALOG_ERROR)
echo "ERROR!$value"
break
;;
$DIALOG_ESC)
echo "ESC pressed."
break
;;
*)
echo "Return code was $res"
break
;;
esac
done
echo "$cfg" > "$cfg_file"
printf '\033[2J' && tput cup 0 0 # clear screen, don't clear scroll, cursor on top
return $ret
}
function run_app()
{
local ncp_app=$1
local script="$(find "$BINDIR" -name $ncp_app.sh | head -1)"
[[ -f "$script" ]] || { echo "file $script not found"; return 1; }
run_app_unsafe "$script"
}
# receives a script file, no security checks
function run_app_unsafe()
{
local script=$1
local ncp_app="$(basename "$script" .sh)"
local cfg_file="$CFGDIR/$ncp_app.cfg"
local log=/var/log/ncp.log
[[ -f "$script" ]] || { echo "file $script not found"; return 1; }
touch $log
chmod 640 $log
chown root:www-data $log
echo "Running $ncp_app"
echo "[ $ncp_app ]" >> $log
# read script
unset configure
source "$script"
# read cfg parameters
[[ -f "$cfg_file" ]] && {
local cfg="$( cat "$cfg_file" )"
local len="$(jq '.params | length' <<<"$cfg")"
for (( i = 0 ; i < len ; i++ )); do
local var="$(jq -r ".params[$i].id" <<<"$cfg")"
local val="$(jq -r ".params[$i].value" <<<"$cfg")"
eval "$var=$val"
done
}
# run
configure 2>&1 | tee -a $log
local ret="${PIPESTATUS[0]}"
echo "" >> $log
return "$ret"
}
function is_active_app()
{
local ncp_app=$1
local bin_dir=${2:-.}
local script="$bin_dir/$ncp_app.sh"
local cfg_file="$CFGDIR/$ncp_app.cfg"
[[ -f "$script" ]] || local script="$(find "$BINDIR" -name $ncp_app.sh | head -1)"
[[ -f "$script" ]] || { echo "file $script not found"; return 1; }
# function
unset is_active
source "$script"
[[ $( type -t is_active ) == function ]] && { is_active; return $?; }
# config
[[ -f "$cfg_file" ]] || return 1
local cfg="$( cat "$cfg_file" )"
[[ "$(jq -r ".params[0].id" <<<"$cfg")" == "ACTIVE" ]] && \
[[ "$(jq -r ".params[0].value" <<<"$cfg")" == "yes" ]] && \
return 0
}
# show an info box for a script if the INFO variable is set in the script
function info_app()
{
local ncp_app=$1
local cfg_file="$CFGDIR/$ncp_app.cfg"
local cfg="$( cat "$cfg_file" 2>/dev/null )"
local info=$( jq -r .info <<<"$cfg" )
local infotitle=$( jq -r .infotitle <<<"$cfg" )
[[ "$info" == "" ]] || [[ "$info" == "null" ]] && return 0
[[ "$infotitle" == "" ]] || [[ "$infotitle" == "null" ]] && infotitle="Info"
whiptail --yesno \
--backtitle "NextCloudPi configuration" \
--title "$infotitle" \
--yes-button "I understand" \
--no-button "Go back" \
"$info" 20 90
}
function install_app()
{
local ncp_app=$1
# $1 can be either an installed app name or an app script
if [[ -f "$ncp_app" ]]; then
local script="$ncp_app"
local ncp_app="$(basename "$script" .sh)"
else
local script="$(find "$BINDIR" -name $ncp_app.sh | head -1)"
fi
# do it
unset install
source "$script"
echo "Installing $ncp_app"
(install)
}
function cleanup_script()
{
local script=$1
unset cleanup
source "$script"
if [[ $( type -t cleanup ) == function ]]; then
cleanup
return $?
fi
return 0
}
function persistent_cfg()
{
local SRC="$1"
local DST="${2:-/data/etc/$( basename "$SRC" )}"
test -e /changelog.md && return # trick to disable in dev docker
mkdir -p "$( dirname "$DST" )"
test -e "$DST" || {
echo "Making $SRC persistent ..."
mv "$SRC" "$DST"
}
rm -rf "$SRC"
ln -s "$DST" "$SRC"
}
function is_more_recent_than()
{
local version_A="$1"
local version_B="$2"
local major_a=$( cut -d. -f1 <<<"$version_A" )
local minor_a=$( cut -d. -f2 <<<"$version_A" )
local patch_a=$( cut -d. -f3 <<<"$version_A" )
local major_b=$( cut -d. -f1 <<<"$version_B" )
local minor_b=$( cut -d. -f2 <<<"$version_B" )
local patch_b=$( cut -d. -f3 <<<"$version_B" )
# Compare version A with version B
# Return true if A is more recent than B
if [ "$major_b" -gt "$major_a" ]; then
return 1
elif [ "$major_b" -eq "$major_a" ] && [ "$minor_b" -gt "$minor_a" ]; then
return 1
elif [ "$major_b" -eq "$major_a" ] && [ "$minor_b" -eq "$minor_a" ] && [ "$patch_b" -ge "$patch_a" ]; then
return 1
fi
return 0
}
function check_distro()
{
local cfg="${1:-$NCPCFG}"
local supported=$(jq -r .release < "$cfg")
grep -q "$supported" <(lsb_release -sc) && return 0
return 1
}
function apt_install()
{
apt-get update
apt-get install -y --no-install-recommends -o Dpkg::Options::=--force-confdef
}
# 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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