#!/bin/bash
#
#  Web Server Installer
#  Copyright (C) 2012 Keiran "Affix" Smith <[email protected]>
#
#   This program 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 3 of the License, or
#   (at your option) any later version.
#
#   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
#
 
echo "+-------------------------------------+"
echo "| Web Server Installer                |"
echo "| Automatically Configure and Build : |"
echo "| Apache                              |"
echo "| mySQL                               |"
echo "| PHP                                 |"
echo "+-------------------------------------+"
echo ""
 
if [ "$(whoami)" != 'root' ]; then
        echo "You must be root to run this script"
#       exit 1;
fi
 
read -p "Please Enter Install Directory [/opt/web] : " installDir
 
if [ -z $installDir ]
then
	installDir="/opt/web"
fi
 
echo "Cleaning old temporary Installation Files (if any)!"
rm -rf /tmp/webServer
echo "Creating Installation Directories"
mkdir $installDir
mkdir /tmp/webServer
 
cd /tmp/webServer
 
mkpass() {
  [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
    cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-32}
    echo
}
 
retrieveApache() {
	$(wget http://mirror.rmg.io/apache//httpd/httpd-2.2.21.tar.gz -O /tmp/webServer/httpd.tar.gz --quiet)
	echo "Extracting Apache"
	$(tar -zxvf /tmp/webServer/httpd.tar.gz > /dev/null)
	echo "Apache Downloaded and Extracted!"
	cd /tmp/webServer
}
 
buildApache() {
	cd /tmp/webServer/httpd-2.2.21
	./configure --prefix=$installDir/apache --enable-shared=max --enable-module=rewrite --enable-module=so
	make && make install
	ln -s $installDir/apache/bin/apachectl /etc/rc.d/init.d/apache
}
 
retrievemySQL() {
	cd /tmp/webServer
	wget http://www.mirrorservice.org/sites/ftp.mysql.com/Downloads/MySQL-5.5/mysql-5.5.20-linux2.6-$(uname -m).tar.gz -O /tmp/webServer/mySQL.tar.gz --quiet
	echo "Extracting mySQL"
	tar -zxvf /tmp/webServer/mySQL.tar.gz
	echo "mySQL Downloaded and Extracted!"
}
 
buildmySQL() {
	cd /tmp/webServer/mysql-5.5.20
	echo "Creating MySQL User and Group"
	groupadd mysql
	useradd -g mysql -c "MySQL Server" mysql
	echo "Starting the MySQL Build"
	./configure --prefix=$installDir/mysql --localstatedir=$installDir/mysql/data --disable-maintainer-mode --with-musqld-user=mysql --with-unix-socket-path=/tmp/mysql.sock --without-comment --withour-debug --without-bench
	make && make install
 
}
 
configmySQL() {
	cd /tmp/webServer/mysql-5.5.20
	scripts/mysql_install_db
	chown -R root:mysql $installDir/mysql
	chown -R mysql:mysql $installDir/mysql/data
	cp support-files/my-medium.cnf /etc/my.cnf
	chown root:root /etc/my.cnf
	chmod 644 /etc/my.cnf
	echo "$installDir/mysql/lib/mysql" >> /etc/ld.so.conf
	ldconfig
	cd $installDir/mysql/bin
	for file in *; do ln -s $installDir/mysql/bin/$file /usr/bin/$file; done
	cd /tmp/webServer/mysql-5.5.20
	cp ./support-files/mysql.server /etc/rc.d/init.d/mysql
	chmod +x /etc/rc.d/init.d/mysql
	/etc/rc.d/init.d/mysql start
	mysql -u root password $sqlrootPass
	/etc/rc.d/init.d/mysql stop
	clear
 
}
 
retrievePHP() {
	cd /tmp/webServer
	wget http://uk.php.net/distributions/php-5.3.9.tar.gz -O /tmp/webServer/php.tar.gz --quiet
	echo "Extracting PHP"
	tar -zxvf /tmp/webServer/php.tar.gz > /dev/null
	echo "PHP Downloaded and Extracted!"
	cd /tmp/webServer
}
 
buildPHP() {
	cd /tmp/webServer/php-5.3.9
	./configure --with-apxs=$installDir/apache/bin/apxs --disable-debug --enable-ftp --enable-inline-optimization --enable-magic-quotes --enable-mbstring --enable-mm=shared --enable-safe-mode --enable-track-vars --enable-trans-sid --enable-wddx=shared --enable-xml --with-dom --with-gd --with-gettext --with-mysql=$installDir/mysql --with-regex=system --with-xml --with-zlib-dir=/usr/lib
	make && make install
	cp php.ini-dist /usr/local/lib/php.ini
	ln -s /usr/local/lib/php.ini /etc/php.ini
}
 
read -p "Install Apache [Y/n] : " apacheInst
read -p "Install mySQL [Y/n] : " mySQLInst
read -p "Install PHP [Y/n] : " PHPInst
if [ "$mySQLInst" != "n" ]
then
	read -p "Please enter your new mySQL root password (if blank one will be generated) : " sqlrootPass
	if [ -z $sqlrootPass ]
	then
		sqlrootPass=$(mkpass 20 0)
	fi
fi
 
if [ "$apacheInst" != "n" ]
then
	echo "Retrieving Apache..."
	retrieveApache
	echo "Building Apache..."
	buildApache
	clear
fi
 
if [ "$mySQLInst" != "n" ]
then
	echo "Retrieving mySQL..."
	retrievemySQL
	echo "Building mySQL..."
	buildmySQL
	echo "mySQL Build Completed now launching configuration."
	configmySQL
	clear
fi
 
if [ "$PHPInst" != "n" ]
then
	echo "Retrieving PHP..."
	retrievePHP
	echo "Building PHP..."
	buildPHP
	clear
fi
 
rm -rf /tmp/webServer
clear
echo "Instalation Complete!!"
echo "Installation Directory : $installDir"
echo "mySQL Root Password    : $sqlrootPass"
echo ""
read -p "Start Services ? [Y/n]" $startServices
if [ "$startServices" != "n" ]
then
	echo "Starting Apache"
	/etc/rc.d/init.d/apache start
	echo "Starting mySQL"
	/etc/rc.d/init.d/mysql start
 
fi
echo "Thanks for trying my script visit http://affix.me :D"