#!/bin/bash

user=$1
conffile="/etc/httpd/conf.d/user_dirs.conf"

printUsage(){
	echo "Usage: $1 <option> username"
	echo "Add public_html directory to a valid user (username) and add apache configuration if needed into $conffile"
	echo "options:"
	echo "    -h		print this help"
}

if [[ "$1" == "-h" ]]; then 
	printUsage $0
	exit 0
fi 

if [[ "$1" == "" ]]; then
	echo "ERROR, username needed"
	echo 
	printUsage $0
	exit 1
fi

grep $user /etc/passwd 2>&1 1>/dev/null
if [[ "$?" != "0" ]];then
	echo "ERROR: $user isn't a valid user."
	exit 1
fi

echo "check if userdir_module is available:"
httpd -M 2>&1 | grep userdir_module
if [[ "$?"  != "0" ]];then
	echo "userdir_module is not available, please install this apache module first."
	exit 1
fi
echo "ok, continue"
echo

echo "Configure userdir to use with apache for user $user :"
test -d /home/$user/public_html || echo "   Create public_html directory" && mkdir /home/$user/public_html 2>&1 2> /dev/null
echo "   Change rights..."
chmod 751 /home/$user/public_html
chgrp apache /home/$user/public_html
chmod 2755 /home/$user/public_html
echo "done"
echo

test -f "$conffile"
if [[ "$?" == "0" ]];then
	echo $conffile" already exists, skip"
else
	echo "Adding apache configuration to enable user dir... "
	tee $conffile 1>&2 > /dev/null << EOF
<IfModule mod_userdir.c>
	UserDir public_html
	<Directory /home/*/public_html>
		AllowOverride all
		Options MultiViews +Indexes SymLinksIfOwnerMatch IncludesNoExec
	</Directory>
</IfModule>
EOF
echo "New configuration file created and installed into $conffile"
fi
echo
echo "Testing configuration:"
service httpd configtest
if [[ "$?" != "0" ]]; then
	echo "An error occured, removing configuration file"
	rm -f $conffile
	exit 1
fi
echo "Configuration is ok, reloading apache:"
service httpd condrestart
echo "done"

echo
echo "Changing SELinux configuration:"
setsebool -P httpd_unified=1
setsebool -P httpd_enable_homedirs=1
setsebool -P httpd_builtin_scripting=1
setsebool -P httpd_can_network_connect=1
chcon -R -h -t httpd_sys_content_t /home/$user/public_html
echo "done"
echo
echo "Configuration successfull"