#! /bin/sh
# FusionForge Installation Dependency Setup
#
# Copyright 2006 GForge, LLC
# Copyright 2011 Christian Bayle <bayle@debian.org>
# http://fusionforge.org/
#
# @version
#
# This file is part of GInstaller, it is called by install.sh.
#
# FusionForge 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.
#
# FusionForge 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 FusionForge; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

msg(){
	GREEN=""
	NORMAL=""
	RED=""
	case $1 in
		red)
			echo "$RED $2 $NORMAL"
			;;
		green)
			echo "$GREEN $2 $NORMAL"
			;;
	esac
}

install2_files(){
	hostname=$1
	apacheuser=$2
	apachegroup=$3
	
	if [ $# -ne 3 ]
	then
		msg red "Validating arguments: FAIL"
		msg red "Usage: $0 fusionforge.org apacheuser apachegroup"
		exit 127
	else
		msg green "Running install2_files $hostname $apacheuser $apachegroup"
	fi

	CHECK=`echo $hostname | grep -E "[^[:alnum:]\-]"`
	if [ "$CHECK" != "" ]
	then
		msg green "Validating hostname: OK";
	else
		msg red "Validating hostname: FAIL invalid hostname"
	fi

	if ! getent passwd $apacheuser > /dev/null
	then
		msg red "Invalid apache user"
	 	exit 2
	else
		msg green "Apache user $apacheuser exists"
	fi

	if ! getent group $apachegroup > /dev/null
	then
		msg red "Invalid apache group"
	 	exit 3
	else
		msg green "Apache group $apachegroup exists"
	fi
 
	if [ -z "$fusionforge_dir" ] ; then msg red "fusionforge_dir not set" ; exit 4 ; fi
	if [ -z "$fusionforge_data_dir" ] ; then msg red "fusionforge_data_dir not set" ; exit 4 ; fi
	if [ -z "$fusionforge_log_dir" ] ; then msg red "fusionforge_log_dir not set" ; exit 4 ; fi

	for dir in $fusionforge_dir $fusionforge_data_dir $fusionforge_log_dir
	do
		if [ ! -d "$dir" ]
		then
			if mkdir -p $dir > /dev/null
			then
				msg green "Creating $dir : OK"
			else
				msg red "Creating $dir : FAILED"
				msg red "$dir didn't exist - error - make sure you've got permission"
				exit 4
			fi
		fi
	done
				
	if [ "$fusionforge_dir" != "$fusionforge_src_dir" ]
	then
		cp -r * $fusionforge_dir
	fi

	mkdir -p $fusionforge_data_dir/uploads
	mkdir -p $fusionforge_data_dir/scmtarballs
	mkdir -p $fusionforge_data_dir/scmsnapshots
	mkdir -p $fusionforge_data_dir/scmrepos/svn
	mkdir -p $fusionforge_data_dir/scmrepos/cvs

	mkdir -p $fusionforge_data_dir/etc
	touch $fusionforge_data_dir/etc/httpd.vhosts

	mkdir -p $fusionforge_data_dir/homedirs
	mkdir -p /home/groups
	if [ ! -L  $fusionforge_data_dir/homedirs/groups ]
	then
		ln -s /home/groups $fusionforge_data_dir/homedirs/groups
	fi

	if [ ! -L  /scmrepos ]
	then 
		ln -s $fusionforge_data_dir/scmrepos /scmrepos
	fi

	# Create the old symlink /svnroot for compatibility.
	if [ ! -L /svnroot ]
	then 
		ln -s $fusionforge_data_dir/scmrepos/svn /svnroot
	fi
		
	# Create the old symlink /cvsroot for compatibility.
	if [ ! -L /cvsroot ]
	then 
		ln -s $fusionforge_data_dir/scmrepos/cvs /cvsroot
	fi
	
	# Create default dumps dir
	mkdir -p $fusionforge_data_dir/dumps

	cd $fusionforge_dir
	chown -R root:$apachegroup $fusionforge_dir
	chmod -R 644 $fusionforge_dir
	chmod 755 $fusionforge_dir/install*
	cd $fusionforge_dir && find -type d | xargs chmod 755
	chown -R $apacheuser:$apachegroup $fusionforge_data_dir/uploads
	chmod -R 755 $fusionforge_dir/cronjobs/
	chmod 755 $fusionforge_dir/www/scm/viewvc/bin/cgi/viewvc.cgi
	chmod 755 $fusionforge_dir/utils/forge_get_config
	chmod 755 $fusionforge_dir/utils/forge_get_config_basic
	chmod 755 $fusionforge_dir/utils/fg_link
	chmod 755 $fusionforge_dir/utils/fg_dirs
	chmod 755 $fusionforge_dir/utils/forge_set_password
	chmod 755 $fusionforge_dir/utils/forge_run_job
	chmod 755 $fusionforge_dir/utils/forge_run_plugin_job
	chmod 755 $fusionforge_dir/plugins/*/cronjobs/*
	find $fusionforge_dir -type f -name "*.sh" -exec chmod 755 {} \;
	$fusionforge_dir/utils/manage-apache-config.sh build

	#restricted shell for cvs accounts
	cp $fusionforge_dir/plugins/scmcvs/bin/cvssh.pl /bin/
	chmod 755 /bin/cvssh.pl

	# Create default location for gforge config files
	# TODO BEGIN : could this be replaced by $fusionforge_dir/utils/manage-apache-config.sh install ?
	mkdir -p $fusionforge_etc_dir
	if [ ! -f $fusionforge_etc_dir/httpd.conf ]
	then
		cp $fusionforge_dir/etc/httpd.conf-opt $fusionforge_etc_dir/httpd.conf
	fi
	mkdir -p $fusionforge_etc_dir/httpd.conf.d

	ls $fusionforge_dir/etc/httpd.conf.d-opt/[0-9a-zA-Z_-]*.conf $fusionforge_dir/etc/httpd.conf.d-opt/[0-9a-zA-Z_-]*.inc | while read file
	do
		cp $file $fusionforge_etc_dir/httpd.conf.d/
	done

	cp $fusionforge_dir/etc/config.ini-opt $fusionforge_etc_dir/config.ini
	cp -rL $fusionforge_dir/etc/config.ini.d $fusionforge_etc_dir/
	# TODO END

	# Install default configuration files for all plugins.
	mkdir -p $fusionforge_etc_dir/plugins/

	cd $fusionforge_dir/plugins
	find $fusionforge_dir/plugins -maxdepth 1 -type d| while read plugdir
	do
		plugin=`basename $plugdir`
		if [ -d $fusionforge_dir/plugins/$plugin/etc/plugins/$plugin ]
		then 
			cp -r $fusionforge_dir/plugins/$plugin/etc/plugins/$plugin $fusionforge_etc_dir/plugins/
		fi
	done

	# Plugin symlinks
	[ -d "$fusionforge_dir/utils/tmp" ] || mkdir $fusionforge_dir/utils/tmp
	for plugin in mediawiki moinmoin
	do
		for file in dirs link
		do
			PLUGIN=$plugin $fusionforge_dir/utils/fg_$file > $fusionforge_dir/utils/tmp/fg_$file_$plugin.sh
			chmod +x $fusionforge_dir/utils/tmp/fg_$file_$plugin.sh
			sh -x $fusionforge_dir/utils/tmp/fg_$file_$plugin.sh
		done
	done
		
	for file in /opt/csw/apache2/etc/httpd.conf /etc/apache2/httpd.conf /etc/apache2/apache2.conf
	do
		if [ -f $file ]
		then 
			msg green 'Setting FusionForge Include For Apache...'
			if ! grep -q "^Include $fusionforge_etc_dir/httpd.conf" $file > /dev/null 2>&1
			then
				echo "Include $fusionforge_etc_dir/httpd.conf" >> $file
			fi
		fi
	done
	if [ -f /etc/httpd/conf/httpd.conf ]
	then
		if [ ! -f /etc/httpd/conf.d/gforge.conf ]
		then 
			echo "Include $fusionforge_etc_dir/httpd.conf" > /etc/httpd/conf.d/gforge.conf
		fi
		if grep -q "^Include $fusionforge_etc_dir/httpd.conf" /etc/httpd/conf/httpd.conf > /dev/null 2>&1
		then
			echo "Remove include from /etc/httpd/conf/httpd.conf"
			perl -pi -e "s!^Include $fusionforge_etc_dir/httpd.conf!!" /etc/httpd/conf/httpd.conf
		fi
	fi
		
	# Create symlink for the wiki plugin.
	if [ ! -d $fusionforge_src_dir/www/wiki ]
	then
		ln -s ../plugins/wiki/www/ $fusionforge_src_dir/www/wiki
	fi

	# symlink plugin www's
	cd $fusionforge_src_dir/www
	if [ ! -d "plugins" ]
	then
		mkdir -p plugins
	fi
	cd $fusionforge_src_dir/www/plugins
	for plugin in cvstracker message scmcvs fckeditor blocks authbuiltin mantisbt mediawiki online_help projects-hierarchy quota_management moinmoin
	do
		if [ ! -L "$plugin" ]
		then
			if [ -d ../../plugins/$plugin/www/ ]
			then
				ln -s ../../plugins/$plugin/www/ $plugin
			else
				msg red "TARGET DIR ../../plugins/$plugin/www/ doesn't exist for plugin $plugin"
			fi
		fi
	done

	# Create writable log file for Moinmoinwiki plugin
	if ! [ -e $fusionforge_data_dir/plugins/moinmoin/wikidata/moinmoin.log ] ; then
	    mkdir -p $fusionforge_data_dir/plugins/moinmoin/wikidata
	    touch $fusionforge_data_dir/plugins/moinmoin/wikidata/moinmoin.log
	    chown gforge $fusionforge_data_dir/plugins/moinmoin/wikidata/moinmoin.log
	fi

	cd $fusionforge_dir
	if [ ! -d $fusionforge_etc_dir ]
	then
		msg red "$fusionforge_etc_dir didn't exist - error - make sure you've got permission"
		exit 2
	fi
	
	chown -R root:$apachegroup $fusionforge_etc_dir
	chmod -R 644 $fusionforge_etc_dir
	cd $fusionforge_etc_dir && find -type d | xargs chmod 755
	cd $fusionforge_etc_dir && find -type f -exec perl -pi -e "s/apacheuser/$apacheuser/" {} \;
	cd $fusionforge_etc_dir && find -type f -exec perl -pi -e "s/apachegroup/$apachegroup/" {} \;
	cd $fusionforge_etc_dir && find -type f -exec perl -pi -e "s/gforge.company.com/$hostname/" {} \;
	echo "noreply:	/dev/null" >> /etc/aliases
}

install2_files_redhat()
{
	install2_files $1 apache apache
}

install2_files_suse()
{
	install2_files $1 wwwrun www
}

install2_files_ubuntu()
{
	install2_files $1 www-data www-data
}

install2_files_debian()
{
	install2_files $1 www-data www-data
}

install2_files_unknown()
{
	echo "Only Debian, Ubuntu, Red Hat, Fedora or CentOS and OpenSUSE are supported by this script.";
	echo "See INSTALL for normal installation";
	exit 1
}