File processwire3-admin of Package processwire3

#!/bin/sh
#
# Manage ProcessWire installations
#
# (c) Johannes Weberhofer, Weberhofer GmbH 2016, 2017
#
# This script is licensed under the GPL
#

PACKAGE_SHARED=/usr/share/processwire3
PACKAGE_VAR=package_var
INSTALLATIONS=/etc/processwire3-installations
APACHE_CONF=apache_conf
APACHE_USER=apache_user
APACHE_GROUP=apache_group

#
# check input parameters
#
ERR=0
HELP=0
TARGETDIR=''
BUILD=0
PREFIX=''
COMMAND='install'
SCRIPTDIR=`dirname $0`

while [ $# -ge 1 ] ; do
	OPT="$1"
	shift
	case "$OPT" in
	--help)
		HELP=1
		;;
	help)
		HELP=1
		;;
	install)
		COMMAND='install'
		TARGETDIR=$1
		shift
		;;
	update)
		COMMAND='update'
		;;
	--prefix)
		if [ -d "$1" ] ; then
			PREFIX=`readlink -f "$1"`"/"
			BUILD=1
		else
			echo "Invalid prefix $1" 1>&2
			ERR=3
		fi
		shift
		;;
	*)
		echo "unknown option: $1" 1>&2
		ERR=1
		;;
	esac
done

if [ ! -d $PREFIX$PACKAGE_SHARED ] ; then
	echo "Source directory does not exist: $PACKAGE_SHARED" 1>&2
	ERR=4
fi

if [ "$COMMAND" == "install" ] ; then
	if [ -d `dirname "$PREFIX$TARGETDIR"` ] ; then
		if [ -d "$PREFIX$TARGETDIR" ] ; then
			echo "Installation exists in $PREFIX$TARGETDIR" 1>&2
			ERR=2
		fi
	else
		echo "Parent directory does not exist:"`dirname "$PREFIX$TARGETDIR"` 1>&2
		ERR=2
	fi
fi

#
# usage section
#
if ( [ $HELP -eq 1 ] || [ $ERR -ne 0 ] ) ; then
	echo \
"usage: "`basename $0`" [install DIR [--prefix DIR] |update|help]

Create or update a ProcessWire-installation based on an Apache/Alias
configuration.

help	     display this text

install	   Install into installation directory
 DIR	      The installation's root directory; the structure will be
		  placed into this directory
 --prefix DIR     For packaging-purposes this directory will be prefixed.
		  This feature should not be used in production systems.

addremove	 correct added and removed modules.

update	    Update all current installations."
	exit $ERR
fi

TARGETDIR=`echo "$TARGETDIR" | sed -e 's/\/\//\//g ; s/\/$//'`

function doInstall() {
	for DIR in webroot temp session ; do
		mkdir -p "$PREFIX$TARGETDIR/$DIR"
		chown $APACHE_USER. "$PREFIX$TARGETDIR/$DIR"
	done
	for SYMLINK in wire index.php install.php ; do
		ln -s "$PACKAGE_SHARED/$SYMLINK" "$PREFIX$TARGETDIR/webroot/$SYMLINK"
		chown $APACHE_USER. "$PREFIX$TARGETDIR/webroot/$SYMLINK"
	done
	cp -a "$PREFIX/$PACKAGE_SHARED/site-blank" "$PREFIX$TARGETDIR/webroot/site"
	if [ $BUILD -eq 0 ] ; then
		echo $TARGETDIR/webroot >> "$INSTALLATIONS"
		chown -R $APACHE_USER. "$PREFIX$TARGETDIR/webroot/site"
	fi

	echo "### Suggested configuration
	#Alias   /processwire3      \"$TARGETDIR/webroot\"

	<Directory $TARGETDIR/webroot>
		php_admin_value session.gc_maxlifetime 86400
		php_admin_value memory_limit 128M
		php_admin_value upload_max_filesize 20M
		php_admin_value post_max_size 20M
		php_admin_flag display_errors off
		php_admin_flag log_errors on
		php_admin_flag magic_quotes_runtime off
		php_admin_flag register_globals off
		php_admin_flag magic_quotes_gpc off
		php_admin_flag magic_quotes_sybase off
		php_admin_flag allow_url_include off
		php_admin_flag allow_url_fopen off
		php_admin_flag safe_mode Off
		php_admin_value session.save_path "$TARGETDIR/session"
		php_admin_value upload_tmp_dir "$TARGETDIR/tmp"
		php_admin_value open_basedir "$TARGETDIR:/usr/share/processwire3:/usr/share/php7/PEAR"
		php_admin_value max_execution_time 120
		php_admin_value max_input_time 120
"
	sed "$PREFIX$PACKAGE_SHARED/htaccess.txt" \
		-e "s/^/\t\t/;"
# rule to remove the default redirection	s/\(RewriteRule .* index.php?it=\$1 \[L,QSA\]\)/# \1/"
	echo "	</Directory>"
}

if [ "$COMMAND" == "install" ] ; then
	doInstall
fi