engintron.sh

#!/bin/bash

# /**
#  * @version    1.7.2
#  * @package    Engintron for cPanel/WHM
#  * @author     Fotis Evangelou
#  * @url        https://engintron.com
#  * @copyright  Copyright (c) 2010 - 2016 Nuevvo Webware P.C. All rights reserved.
#  * @license    GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
#  */

# Constants
APP_PATH="/usr/local/src/engintron"
APP_VERSION="1.7.2"

CPANEL_PLG_PATH="/usr/local/cpanel/whostmgr/docroot/cgi"
REPO_CDN_URL="https://cdn.rawgit.com/engintron/engintron/master"

GET_HTTPD_VERSION=$(httpd -v | grep "Server version")
GET_CENTOS_VERSION=$(rpm -q --qf "%{VERSION}" $(rpm -q --whatprovides redhat-release))
GET_CPANEL_VERSION=$(/usr/local/cpanel/cpanel -V)



############################# HELPER FUCTIONS [start] #############################

function install_basics {

	echo "=== Let's upgrade our system first & install a few required packages ==="
	yum -y update
	yum -y upgrade
	yum -y install atop bash-completion bc cronie curl htop ifstat iftop iotop make nano openssl-devel pcre pcre-devel sudo tree unzip zip zlib-devel
	yum clean all
	echo ""
	echo ""

}

function install_mod_rpaf {

	echo "=== Installing mod_rpaf (v0.8.4) for Apache ==="
	cd /usr/local/src
	/bin/rm -f mod_rpaf-0.8.4.zip
	wget --no-check-certificate $REPO_CDN_URL/apache/mod_rpaf-0.8.4.zip
	unzip -o mod_rpaf-0.8.4.zip
	/bin/rm -f mod_rpaf-0.8.4.zip
	cd mod_rpaf-0.8.4
	chmod +x apxs.sh
	./apxs.sh -i -c -n mod_rpaf.so mod_rpaf.c
	/bin/rm -rf /usr/local/src/mod_rpaf-0.8.4/

	if [ -f /usr/local/apache/modules/mod_rpaf.so ]; then

		# Get system IPs
		#systemips=$(ip addr show | grep 'inet ' | grep ' brd ' | cut -d/ -f1 | cut -c10- | tr '\n' ' ');
		systemips=$(ip addr show | grep -o "inet [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | grep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | sed ':a;N;$!ba;s/\n/ /g');

		if [ ! -f /usr/local/apache/conf/includes/rpaf.conf ]; then
			touch /usr/local/apache/conf/includes/rpaf.conf
		fi

		cat > "/usr/local/apache/conf/includes/rpaf.conf" <<EOF
# RPAF
LoadModule              rpaf_module modules/mod_rpaf.so
RPAF_Enable             On
RPAF_ProxyIPs           127.0.0.1 $systemips
RPAF_SetHostName        On
RPAF_SetHTTPS           On
RPAF_SetPort            On
RPAF_ForbidIfNotProxy   Off
RPAF_Header             X-Real-IP
EOF

		/bin/cp -f /usr/local/apache/conf/httpd.conf /usr/local/apache/conf/httpd.conf.bak
		sed -i 's:Include "/usr/local/apache/conf/includes/rpaf.conf"::' /usr/local/apache/conf/httpd.conf
		sed -i 's:Include "/usr/local/apache/conf/includes/errordocument.conf":Include "/usr/local/apache/conf/includes/errordocument.conf"\nInclude "/usr/local/apache/conf/includes/rpaf.conf":' /usr/local/apache/conf/httpd.conf
		sed -i "s:LogFormat \"%h %l:LogFormat \"%h %a %l:" /usr/local/apache/conf/httpd.conf
		echo ""
		echo ""

	fi

}

function remove_mod_rpaf {

	if [ -f /usr/local/apache/conf/includes/rpaf.conf ]; then
		echo "=== Removing mod_rpaf (v0.8.4) for Apache ==="
		rm -f /usr/local/apache/conf/includes/rpaf.conf
		sed -i 's:Include "/usr/local/apache/conf/includes/rpaf.conf"::' /usr/local/apache/conf/httpd.conf
		sed -i "s:LogFormat \"%h %a %l:LogFormat \"%h %l:" /usr/local/apache/conf/httpd.conf
		echo ""
		echo ""
	fi

}

function install_mod_remoteip {

	# Get system IPs
	#systemips=$(ip addr show | grep 'inet ' | grep ' brd ' | cut -d/ -f1 | cut -c10- | tr '\n' ' ');
	systemips=$(ip addr show | grep -o "inet [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | grep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | sed ':a;N;$!ba;s/\n/ /g');

	echo "=== Installing mod_remoteip for Apache ==="

	if [ -f /etc/apache2/conf/httpd.conf ]; then
		yum -y install ea-apache24-mod_remoteip

		if [ -f /etc/apache2/modules/mod_remoteip.so ]; then
			REMOTEIP_CONF=$(find /etc/apache2/conf.modules.d/ -iname "*_mod_remoteip.conf")
			if [ -f $REMOTEIP_CONF ]; then

				cat > $REMOTEIP_CONF <<EOF
# Enable mod_remoteip
LoadModule remoteip_module modules/mod_remoteip.so
RemoteIPInternalProxy 127.0.0.1 $systemips
RemoteIPHeader X-Real-IP
EOF
				sed -i "s:LogFormat \"%h %l:LogFormat \"%h %a %l:" /etc/apache2/conf/httpd.conf
			fi
		fi
	else
		cd /usr/local/src
		/bin/rm -f mod_remoteip.c
		#wget --no-check-certificate https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/metadata/mod_remoteip.c
		wget --no-check-certificate $REPO_CDN_URL/apache/mod_remoteip.c
		wget --no-check-certificate $REPO_CDN_URL/apache/apxs.sh
		chmod +x apxs.sh
		./apxs.sh -i -c -n mod_remoteip.so mod_remoteip.c
		/bin/rm -f mod_remoteip.c
		/bin/rm -f apxs.sh

		if [ -f /usr/local/apache/modules/mod_remoteip.so ]; then

			if [ ! -f /usr/local/apache/conf/includes/remoteip.conf ]; then
				touch /usr/local/apache/conf/includes/remoteip.conf
			fi

			cat > "/usr/local/apache/conf/includes/remoteip.conf" <<EOF
# RemoteIP
LoadModule remoteip_module modules/mod_remoteip.so
RemoteIPInternalProxy 127.0.0.1 $systemips
RemoteIPHeader X-Real-IP
EOF

			/bin/cp -f /usr/local/apache/conf/httpd.conf /usr/local/apache/conf/httpd.conf.bak
			sed -i 's:Include "/usr/local/apache/conf/includes/remoteip.conf"::' /usr/local/apache/conf/httpd.conf
			sed -i 's:Include "/usr/local/apache/conf/includes/errordocument.conf":Include "/usr/local/apache/conf/includes/errordocument.conf"\nInclude "/usr/local/apache/conf/includes/remoteip.conf":' /usr/local/apache/conf/httpd.conf
			sed -i "s:LogFormat \"%h %l:LogFormat \"%h %a %l:" /usr/local/apache/conf/httpd.conf
		fi
	fi

	echo ""
	echo ""

}

function remove_mod_remoteip {

	if [ -f /etc/apache2/conf/httpd.conf ]; then
		yum -y remove ea-apache24-mod_remoteip
		sed -i "s:LogFormat \"%h %a %l:LogFormat \"%h %l:" /etc/apache2/conf/httpd.conf
	else
		if [ -f /usr/local/apache/conf/includes/remoteip.conf ]; then
			echo "=== Removing mod_remoteip for Apache ==="
			rm -f /usr/local/apache/conf/includes/remoteip.conf
			sed -i 's:Include "/usr/local/apache/conf/includes/remoteip.conf"::' /usr/local/apache/conf/httpd.conf
			sed -i "s:LogFormat \"%h %a %l:LogFormat \"%h %l:" /usr/local/apache/conf/httpd.conf
		fi
	fi

	echo ""
	echo ""

}

function apache_change_port {

	echo "=== Switch Apache to port 8080, distill changes & restart Apache ==="

	if [ -f /usr/local/cpanel/bin/whmapi1 ]; then
		/usr/local/cpanel/bin/whmapi1 set_tweaksetting key=apache_port value=0.0.0.0:8080
	else
		if grep -Fxq "apache_port=" /var/cpanel/cpanel.config
		then
			sed -i 's/^apache_port=.*/apache_port=0.0.0.0:8080/' /var/cpanel/cpanel.config
			/usr/local/cpanel/whostmgr/bin/whostmgr2 --updatetweaksettings
		else
			echo "apache_port=0.0.0.0:8080" >> /var/cpanel/cpanel.config
		fi
	fi

	echo ""
	echo ""

	echo "=== Distill changes in Apache's configuration and restart Apache ==="
	/usr/local/cpanel/bin/apache_conf_distiller --update
	/scripts/rebuildhttpdconf
	/scripts/restartsrv httpd

	echo ""
	echo ""

}

function apache_revert_port {

	echo "=== Switch Apache back to port 80 ==="

	if [ -f /usr/local/cpanel/bin/whmapi1 ]; then
		/usr/local/cpanel/bin/whmapi1 set_tweaksetting key=apache_port value=0.0.0.0:80
	else
		if grep -Fxq "apache_port=" /var/cpanel/cpanel.config
		then
			sed -i 's/^apache_port=.*/apache_port=0.0.0.0:80/' /var/cpanel/cpanel.config
			/usr/local/cpanel/whostmgr/bin/whostmgr2 --updatetweaksettings
		else
			echo "apache_port=0.0.0.0:80" >> /var/cpanel/cpanel.config
		fi
	fi

	echo ""
	echo ""

	echo "=== Distill changes in Apache's configuration and restart Apache ==="
	/usr/local/cpanel/bin/apache_conf_distiller --update
	/scripts/rebuildhttpdconf
	/scripts/restartsrv httpd

	echo ""
	echo ""

}

function install_nginx {

	if [ ! -f /etc/yum.repos.d/nginx.repo ]; then
		touch /etc/yum.repos.d/nginx.repo
	fi

	# Allow switching from mainline to stable release
	if [[ ! $1 ]]; then
		if grep -iq "mainline" /etc/yum.repos.d/nginx.repo; then
			yum -y remove nginx
		fi
	fi

	# Setup Nginx repo
	if [[ $1 == 'mainline' ]]; then
		echo "=== Install Nginx (mainline) from nginx.org ==="
		cat > "/etc/yum.repos.d/nginx.repo" <<EOFM
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/mainline/centos/\$releasever/\$basearch/
gpgcheck=0
enabled=1
EOFM
	else
		echo "=== Install Nginx (stable) from nginx.org ==="
		cat > "/etc/yum.repos.d/nginx.repo" <<EOFS
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/\$releasever/\$basearch/
gpgcheck=0
enabled=1
EOFS
	fi

	# Install Nginx
	yum -y install nginx

	# Copy Nginx config files
	if [ -f /etc/nginx/custom_rules ]; then
		/bin/cp -f $APP_PATH/nginx/custom_rules /etc/nginx/custom_rules.dist
	else
		/bin/cp -f $APP_PATH/nginx/custom_rules /etc/nginx/
	fi

	if [ -f /etc/nginx/proxy_params_common ]; then
		/bin/cp -f /etc/nginx/proxy_params_common /etc/nginx/proxy_params_common.bak
	fi
	/bin/cp -f $APP_PATH/nginx/proxy_params_common /etc/nginx/

	if [ -f /etc/nginx/proxy_params_dynamic ]; then
		/bin/cp -f /etc/nginx/proxy_params_dynamic /etc/nginx/proxy_params_dynamic.bak
	fi
	/bin/cp -f $APP_PATH/nginx/proxy_params_dynamic /etc/nginx/

	if [ -f /etc/nginx/proxy_params_static ]; then
		/bin/cp -f /etc/nginx/proxy_params_static /etc/nginx/proxy_params_static.bak
	fi
	/bin/cp -f $APP_PATH/nginx/proxy_params_static /etc/nginx/

	if [ -f /etc/nginx/mime.types ]; then
		/bin/cp -f /etc/nginx/mime.types /etc/nginx/mime.types.bak
	fi
	/bin/cp -f $APP_PATH/nginx/mime.types /etc/nginx/

	if [ -f /etc/nginx/nginx.conf ]; then
		/bin/cp -f /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bak
	fi
	/bin/cp -f $APP_PATH/nginx/nginx.conf /etc/nginx/

	if [ -f /etc/nginx/conf.d/default.conf ]; then
		/bin/cp -f /etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf.bak
	fi
	/bin/rm -f /etc/nginx/conf.d/*.conf
	/bin/cp -f $APP_PATH/nginx/conf.d/default.conf /etc/nginx/conf.d/

	if [ -f /sbin/chkconfig ]; then
		/sbin/chkconfig nginx on
	else
		systemctl enable nginx
	fi

	if [ -f /usr/lib/systemd/system/nginx.service ]; then
		sed -i 's/PrivateTmp=true/PrivateTmp=false/' /usr/lib/systemd/system/nginx.service
		systemctl daemon-reload
	fi

	if [ "$(pstree | grep 'nginx')" ]; then
		service nginx stop
	fi

	# Adjust log rotation to 7 days
	if [ -f /etc/logrotate.d/nginx ]; then
		sed -i 's:rotate .*:rotate 7:' /etc/logrotate.d/nginx
	fi

	echo ""
	echo ""

}

function remove_nginx {

	echo "=== Removing Nginx... ==="
	if [ -f /sbin/chkconfig ]; then
		/sbin/chkconfig nginx off
	else
		systemctl disable nginx
	fi

	service nginx stop

	yum -y remove nginx
	/bin/rm -rf /etc/nginx/*
	/bin/rm -f /etc/yum.repos.d/nginx.repo

	echo ""
	echo ""

}

function install_engintron_ui {

	echo "=== Installing Engintron WHM plugin files... ==="

	/bin/cp -f $APP_PATH/app/addon_engintron.cgi $CPANEL_PLG_PATH/
	/bin/cp -f $APP_PATH/app/engintron.php $CPANEL_PLG_PATH/

	chmod +x $CPANEL_PLG_PATH/addon_engintron.cgi
	chmod +x $CPANEL_PLG_PATH/engintron.php

	echo ""
	echo "=== Fix ACL requirements in newer cPanel releases ==="

	if [ -f /usr/local/cpanel/bin/whmapi1 ]; then
		/usr/local/cpanel/bin/whmapi1 set_tweaksetting key=permit_unregistered_apps_as_root value=1
	else
		if grep -Fxq "permit_unregistered_apps_as_root=" /var/cpanel/cpanel.config
		then
			sed -i 's/^permit_unregistered_apps_as_root=.*/permit_unregistered_apps_as_root=1/' /var/cpanel/cpanel.config
		else
			echo "permit_unregistered_apps_as_root=1" >> /var/cpanel/cpanel.config
		fi
		/usr/local/cpanel/whostmgr/bin/whostmgr2 --updatetweaksettings
	fi

	/usr/local/cpanel/etc/init/startcpsrvd

	echo ""
	echo ""

}

function remove_engintron_ui {

	echo "=== Removing Engintron WHM plugin files... ==="
	/bin/rm -f $CPANEL_PLG_PATH/addon_engintron.*
	/bin/rm -f $CPANEL_PLG_PATH/engintron.*
	echo ""
	echo ""

}

function install_munin_patch {

	if [ -f /etc/munin/plugin-conf.d/cpanel.conf ]; then
		echo "=== Updating Munin's configuration for Apache ==="

		if grep -q "\[apache_status\]" /etc/munin/plugin-conf.d/cpanel.conf
		then
			echo "Munin configuration already updated, nothing to do here"
		else
			cat >> "/etc/munin/plugin-conf.d/cpanel.conf" <<EOF

[apache_status]
env.ports 8080
env.label 8080
EOF
		fi

		ln -s /usr/local/cpanel/3rdparty/share/munin/plugins/nginx_* /etc/munin/plugins/

		service munin-node restart

		echo ""
		echo ""
	fi

}

function remove_munin_patch {

	if [ -f /etc/munin/plugin-conf.d/cpanel.conf ]; then
		echo ""
		echo "=== Updating Munin's configuration for Apache ==="

		if grep -q "\[apache_status\]" /etc/munin/plugin-conf.d/cpanel.conf
		then
			sed -i 's:\[apache_status\]::' /etc/munin/plugin-conf.d/cpanel.conf
			sed -i 's:env\.ports 8080::' /etc/munin/plugin-conf.d/cpanel.conf
			sed -i 's:env\.label 8080::' /etc/munin/plugin-conf.d/cpanel.conf
		else
			echo "Munin was not found, nothing to do here"
		fi

		/bin/rm -f /etc/munin/plugins/nginx_*

		service munin-node restart

		echo ""
		echo ""
	fi

}

function csf_pignore_add {
	if [ -f /etc/csf/csf.pignore ]; then
		echo ""
		echo "=== Adding Nginx to CSF's process ignore list ==="

		if grep -q "exe\:\/usr\/sbin\/nginx" /etc/csf/csf.pignore
		then
			echo "Nginx seems to be already configured with CSF..."
		else
			echo "exe:/usr/sbin/nginx" >> /etc/csf/csf.pignore
			csf -r
			service lfd restart
		fi

		echo ""
		echo ""

	fi
}

function csf_pignore_remove {
	if [ -f /etc/csf/csf.pignore ]; then
		echo ""
		echo "=== Removing Nginx from CSF's process ignore list ==="

		if grep -q "exe\:\/usr\/sbin\/nginx" /etc/csf/csf.pignore
		then
			sed -i 's:^exe\:\/usr\/sbin\/nginx::' /etc/csf/csf.pignore
			csf -r
			service lfd restart
		fi

		echo ""
		echo ""

	fi
}

############################# HELPER FUCTIONS [end] #############################



### Define actions ###
case $1 in
install)

	clear

	if [ ! -f /engintron.sh ]; then
		echo ""
		echo ""
		echo "***********************************************"
		echo ""
		echo " ENGINTRON NOTICE:"
		echo " You must place & execute engintron.sh"
		echo " from the root directory (/) of your server!"
		echo ""
		echo " --- Exiting ---"
		echo ""
		echo "***********************************************"
		echo ""
		echo ""
		exit 0
	fi

	echo "**************************************"
	echo "*        Installing Engintron        *"
	echo "**************************************"

	chmod +x /engintron.sh
	cd /

	# Set Engintron src file path
	if [[ ! -d $APP_PATH ]]; then
		mkdir -p $APP_PATH
	fi

	# Get the files
	cd $APP_PATH
	wget --no-check-certificate -O engintron.zip https://github.com/engintron/engintron/archive/master.zip
	unzip engintron.zip
	/bin/cp -rf $APP_PATH/engintron-master/* $APP_PATH/
	/bin/rm -rvf $APP_PATH/engintron-master/*
	/bin/rm -f $APP_PATH/engintron.zip

	cd /

	echo ""
	echo ""

	install_basics
	install_nginx $2

	if [[ $GET_HTTPD_VERSION =~ "Apache/2.2." ]]; then
		install_mod_rpaf
	else
		install_mod_remoteip
	fi

	apache_change_port
	install_munin_patch
	install_engintron_ui

	echo ""
	echo "=== Restarting Apache & Nginx... ==="
	service httpd restart
	fuser -k 80/tcp
	service nginx start
	
	csf_pignore_add

	if [ ! -f $APP_PATH/state.conf ]; then
		touch $APP_PATH/state.conf
	fi
	echo "on" > $APP_PATH/state.conf

	echo ""
	echo "**************************************"
	echo "*       Installation Complete        *"
	echo "**************************************"
	echo ""
	echo ""
	;;
remove)

	clear

	echo "**************************************"
	echo "*         Removing Engintron         *"
	echo "**************************************"

	if [[ $GET_HTTPD_VERSION =~ "Apache/2.2." ]]; then
		remove_mod_rpaf
	else
		remove_mod_remoteip
	fi

	apache_revert_port
	remove_nginx
	remove_munin_patch
	remove_engintron_ui
	csf_pignore_remove

	echo ""
	echo "=== Removing Engintron files... ==="
	/bin/rm -rvf $APP_PATH

	echo ""
	echo "=== Restarting Apache... ==="
	service httpd restart

	echo ""
	echo "**************************************"
	echo "*          Removal Complete          *"
	echo "**************************************"
	echo ""
	echo ""
	;;
enable)
	clear

	echo "**************************************"
	echo "*         Enabling Engintron         *"
	echo "**************************************"

	if [ ! -f $APP_PATH/state.conf ]; then
		touch $APP_PATH/state.conf
	fi
	echo "on" > $APP_PATH/state.conf

	install_munin_patch
	service nginx stop
	sed -i 's:listen 8080 default_server:listen 80 default_server:' /etc/nginx/conf.d/default.conf
	sed -i 's:deny all; #:# deny all; #:' /etc/nginx/conf.d/default.conf
	sed -i 's:\:80; # Apache Status Page:\:8080; # Apache Status Page:' /etc/nginx/conf.d/default.conf
	sed -i 's:PROXY_DOMAIN_OR_IP\:80:PROXY_DOMAIN_OR_IP\:8080:' /etc/nginx/proxy_params_common
	apache_change_port
	service nginx start

	service httpd restart
	service nginx restart

	echo ""
	echo "**************************************"
	echo "*         Engintron Enabled          *"
	echo "**************************************"
	echo ""
	echo ""
	;;
disable)
	clear

	echo "**************************************"
	echo "*        Disabling Engintron         *"
	echo "**************************************"

	if [ ! -f $APP_PATH/state.conf ]; then
		touch $APP_PATH/state.conf
	fi
	echo "off" > $APP_PATH/state.conf

	remove_munin_patch
	service nginx stop
	sed -i 's:listen 80 default_server:listen 8080 default_server:' /etc/nginx/conf.d/default.conf
	sed -i 's:# deny all; #:deny all; #:' /etc/nginx/conf.d/default.conf
	sed -i 's:\:8080; # Apache Status Page:\:80; # Apache Status Page:' /etc/nginx/conf.d/default.conf
	sed -i 's:PROXY_DOMAIN_OR_IP\:8080:PROXY_DOMAIN_OR_IP\:80:' /etc/nginx/proxy_params_common

	apache_revert_port
	service nginx start

	service httpd restart
	service nginx restart

	echo ""
	echo "**************************************"
	echo "*         Engintron Disabled         *"
	echo "**************************************"
	echo ""
	echo ""
	;;
resall)
	echo "========================================="
	echo "=== Restarting All Important Services ==="
	echo "========================================="
	echo ""

	#if [ -f "/usr/local/cpanel/cpanel" ]; then
	#	service cpanel restart
	#	echo ""
	#fi
	if [ "$(pstree | grep 'crond')" ]; then
		service crond restart
		echo ""
	fi
	if [[ -f /etc/csf/csf.conf && "$(cat /etc/csf/csf.conf | grep 'TESTING = \"0\"')" ]]; then
	  	csf -r
		echo ""
	fi
	if [ "$(pstree | grep 'lfd')" ]; then
		service lfd restart
		echo ""
	fi
	if [ "$(pstree | grep 'munin-node')" ]; then
		service munin-node restart
		echo ""
	fi
	if [ "$(pstree | grep 'mysql')" ]; then
		/scripts/restartsrv_mysql
		echo ""
	fi
	if [ "$(pstree | grep 'httpd')" ]; then
		echo "Restarting Apache..."
		service httpd restart
		echo ""
	fi
	if [ "$(pstree | grep 'nginx')" ]; then
		echo "Restarting Nginx..."
		service nginx restart
		echo ""
	fi
	echo ""
	;;
res)
	echo "====================================="
	echo "=== Restarting All Basic Services ==="
	echo "====================================="
	echo ""
	if [ "$(pstree | grep 'httpd')" ]; then
		echo "Restarting Apache..."
		service httpd restart
		echo ""
	fi
	if [ "$(pstree | grep 'nginx')" ]; then
		echo "Restarting Nginx..."
		service nginx restart
		echo ""
	fi
	echo ""
	;;
purgecache)
	echo "==================================================================="
	echo "=== Clean Nginx cache & temp folders and restart Apache & Nginx ==="
	echo "==================================================================="
	echo ""
	find /tmp/engintron_dynamic/ -type f | xargs rm -rvf
	find /tmp/engintron_static/ -type f | xargs rm -rvf
	find /tmp/engintron_temp/ -type f | xargs rm -rvf
	if [ "$(pstree | grep 'httpd')" ]; then
		echo "Apache restarting..."
		service httpd restart
		echo ""
	fi
	if [ "$(pstree | grep 'nginx')" ]; then
		service nginx restart
		echo ""
	fi
	echo ""
	;;
purgelogs)
	echo "================================================================"
	echo "=== Clean Nginx access/error logs and restart Apache & Nginx ==="
	echo "================================================================"
	echo ""
	if [ -f /var/log/nginx/access.log ]; then
		echo "" > /var/log/nginx/access.log
	fi
	if [ -f /var/log/nginx/error.log ]; then
		echo "" > /var/log/nginx/error.log
	fi
	if [ "$(pstree | grep 'httpd')" ]; then
		echo "Apache restarting..."
		service httpd restart
		echo ""
	fi
	if [ "$(pstree | grep 'nginx')" ]; then
		service nginx restart
		echo ""
	fi
	echo ""
	;;
fixaccessperms)
	echo "===================================================="
	echo "=== Fix user file & directory access permissions ==="
	echo "===================================================="
	echo ""
	echo "Changing directory permissions to 755..."
	find /home/*/public_html/ -type d -exec chmod 755 {} \;
	echo ""
	echo "Changing file permissions to 644..."
	find /home/*/public_html/ -type f -exec chmod 644 {} \;
	echo ""
	echo "Operation completed."
	echo ""
	echo ""
	;;
fixownerperms)
	echo "==================================================="
	echo "=== Fix user file & directory owner permissions ==="
	echo "==================================================="
	echo ""
	cd /home
	for user in $( ls -d * )
	do
		if [ -d /home/$user/public_html ]; then
			echo "=== Fixing permissions for user $user ==="
			chown -R $user:$user /home/$user/public_html/*
		fi
	done
	echo "Operation completed."
	echo ""
	echo ""
	;;
cleanup)
	echo "========================================================================="
	echo "=== Cleanup Mac or Windows specific metadata & Apache error_log files ==="
	echo "========================================================================="
	echo ""
	find /home/*/public_html/ -iname 'error_log' | xargs rm -rvf
	find /home/*/public_html/ -iname '.DS_Store' | xargs rm -rvf
	find /home/*/public_html/ -iname 'thumbs.db' | xargs rm -rvf
	find /home/*/public_html/ -iname '__MACOSX' | xargs rm -rvf
	find /home/*/public_html/ -iname '._*' | xargs rm -rvf
	echo ""
	echo "Operation completed."
	echo ""
	echo ""
	;;
info)
	echo "=================="
	echo "=== OS Version ==="
	echo "=================="
	echo ""
	cat /etc/redhat-release
	echo ""
	echo "cPanel version: $GET_CPANEL_VERSION"
	echo ""
	echo ""

	echo "=================="
	echo "=== Disk Usage ==="
	echo "=================="
	echo ""
	df -hT
	echo ""
	echo ""

	echo "=============="
	echo "=== Uptime ==="
	echo "=============="
	echo ""
	uptime
	echo ""
	echo ""

	echo "==================="
	echo "=== System Date ==="
	echo "==================="
	echo ""
	date
	echo ""
	echo ""

	echo "======================="
	echo "=== Users Logged In ==="
	echo "======================="
	echo ""
	who
	echo ""
	echo ""
	;;
80)
	echo "=== Connections on port 80 sorted by connection count & IP ==="
	echo ""
	netstat -anp | grep :80 | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n
	echo ""
	echo ""
	echo "=== Concurrent connections on port 80 ==="
	echo ""
	netstat -an | grep :80 | wc -l
	echo ""
	echo ""
	;;
-h|--help|*)
	echo "    _______   _____________   ____________  ____  _   __"
	echo "   / ____/ | / / ____/  _/ | / /_  __/ __ \/ __ \/ | / /"
	echo "  / __/ /  |/ / / __ / //  |/ / / / / /_/ / / / /  |/ / "
	echo " / /___/ /|  / /_/ // // /|  / / / / _, _/ /_/ / /|  /  "
	echo "/_____/_/ |_/\____/___/_/ |_/ /_/ /_/ |_|\____/_/ |_/   "
	echo "                                                        "
	echo "                  https://engintron.com                 "
	cat <<EOF

Engintron for cPanel/WHM is the easiest way to integrate Nginx on your cPanel/WHM server.

Usage: /engintron.sh [command] [flag]

Main commands:
    install          Install, re-install or update Engintron (enables Nginx by default).
                     Add optional flag "mainline" to install Nginx mainline release.
    remove           Remove Engintron completely.
    enable           Set Nginx to port 80 & Apache to port 8080
    disable          Set Nginx to port 8080 & switch Apache to port 80
    purgecache       Purge Nginx's "cache" & "temp" folders,
                     then restart both Apache & Nginx
    purgelogs        Purge Nginx's access & error log files

Utility commands:
    res              Restart web servers only (Apache & Nginx)
    resall           Restart Cron, CSF & LFD (if installed), Munin (if installed),
                     MySQL, Apache, Nginx
    80               Show active connections on port 80 sorted by connection count & IP,
                     including total concurrent connections count
    fixaccessperms   Change file & directory access permissions to 644 & 755 respectively
                     in all user /public_html directories
    fixownerperms    Fix owner permissions in all user /public_html directories
    cleanup          Cleanup Mac or Windows specific metadata & Apache error_log files
                     in all user /public_html directories
    info             Show basic system info

~~ Enjoy Engintron! ~~

EOF
	;;
esac

# END