virtual

#!/bin/bash

APACHE_SITE_DIR="/etc/apache2/sites-available";

# color a output message
c_echo() {
if [[ $2 == "red" ]]; then
	echo -e "\033[0;31m$1\033[00m"
elif [[ $2 == "green" ]]; then
	echo -e "\033[0;32m$1\033[00m";
else
	echo -e "\033[0;35m$1\033[00m"
fi
}

# verify if a program exist, else tell you if you want install it
prog_exist() {
if ! test `which $1`; then
	c_echo "✗ $1 not found" "red"
	echo -n "You want install it? Y/y/yes/*: "
	read -r response
	case $response in
		"Y"|"y"|"yes"|"")
			apt-get install $1 -y > /dev/null
			exit 0
		;;
		*)
			exit 1
		;;
	esac
	exit 0
fi
}

# `usage` function
usage() {
DEF=" ─ USAGE:
   sudo $0 add <docroot> <servername> [--with-git]
   sudo $0 remove <servername>
   sudo $0 list
   sudo $0 has <servername>"
FR="
   ─ \033[0;4mCommande\033[00m
	   add............Ajout un projet
	   remove.........Supprimé un projet
	   has............Informe si le domaine exist
	   list...........List tout le domaine

   ─ \033[0;4mvaleur\033[00m
	   <docroot>......Répertoire ou le serveur va trouvé les fichiers à servir.
	   <servername>...Le nom de domaine sur projet

   ─ \033[0;4moption\033[00m:
	   --with-git.....Initialise un dépot git. 
	   --with-local-log.....Ajout les logs générés par appache dans votre documentroot."
EN="
   ─ \033[0;4mCommand\033[00m
	   add............Add project
	   remove.........Remove project
	   has............Tell you if domaine exist
	   list...........List all domaine

   ─ \033[0;4mvalue\033[00m
	   <docroot>......Documentroot.
	   <servername>...You project domain name.

   ─ \033[0;4moption\033[00m:
	   --with-git.....If has enabled, git repository will be initialize.
	   --with-local-log.....Add apache logs in you documentroot."
EG="
   ─ Exemples:

    ☑ add
    $ sudo $0 add /path/to/my/project/folder project.dev

    ☑ remove
    $ sudo $0 remove project.dev

    ☑ has
    $ sudo $0 has project.dev

    ☑ list
    $ sudo $0 list
   
    \033[0;4mFork me\033[00m to https://github.com/papac/mkvirtualhost.git
"

echo -e "$DEF"

case $1 in
	"help")
		if [[ $2 == "--fr" ]]; then
			echo -e "$FR"
		else
			echo -e "$EN"
		fi
	;;
	*)
		echo -e "$EN"
	;;
esac
echo -e "$EG"
}

# add configuration function
add_vhost() {
SERVERNAME=""
HTTP=80
C=0
LOGLEV="warn"
ERRORLOGDIR="$APACHE_LOG_DIR/error.log";
ACCESSLOGDIR="$APACHE_LOG_DIR/error.log";
if [ ! -d "$1" ]; then
	c_echo "✗ $1 are not directory" "red"
	echo -n "You want create it Y/y/yes/*: "
	read -r response
	case $response in
		"Y"|"y"|"yes"|"")
				mkdir -p $1
			;;
		*)
			exit 1
			;;
	esac
fi
if [ -f $APACHE_SITE_DIR/$2".conf" ]; then
	c_echo "✗ this domaine already exist." "red"
	exit 1
else
		DOCROOT=$1
		SERVERNAME=$2
		C=1	
fi
for option in $@; do
	if [ $option == "--with-local-log" ]; then
		if [ ! -d "$DOCROOT/.syslog" ]; then
			mkdir "$DOCROOT/.syslog"
		fi
		ERRORLOGDIR="$DOCROOT/.syslog/error.log";
		ACCESSLOGDIR="$DOCROOT/.syslog/access.log";
	fi
done
if [[ $C == 1 ]]; then
echo "<VirtualHost *:$HTTP>
	
	ServerName $SERVERNAME
	serverAlias www.$SERVERNAME
	DocumentRoot $DOCROOT

	<Directory $DOCROOT/>
		Options Indexes Multiviews FollowSymLinks
		AllowOverride All
		require all granted
	</Directory>
	
	ErrorLog $ERRORLOGDIR
	CustomLog $ACCESSLOGDIR combined
	LogLevel $LOGLEV

</VirtualHost>" > $APACHE_SITE_DIR/$SERVERNAME".conf"
	cd $APACHE_SITE_DIR
	a2ensite $SERVERNAME".conf" > /dev/null 2>&1
	if `service apache2 reload > /dev/null`; then
		chmod 755 -R $DOCROOT
		if [ "$3" == "--with-git" -o "$4" == "--with-git" ]; then
			if prog_exist "git"; then
				cd $DOCROOT
				git init > /dev/null
				c_echo "✓ git repository has initilazed."
			fi
		fi
		echo "127.0.0.1 $SERVERNAME www.$SERVERNAME" >> /etc/hosts
		c_echo "✓ project domain has created." "green"
		exit 0
	else
		c_echo "✗ an error is comming" "red"
		a2dissite $SERVERNAME".conf" > /dev/null
		rm $APACHE_SITE_DIR/$SERVERNAME".conf"
		exit 1
	fi
else
	c_echo "✗ an error is comming." "red"
	exit 1
fi
}

# delete configuration function
remove_vhost() {
	if [ -f "$APACHE_SITE_DIR/$1.conf" ]; then
		cd $APACHE_SITE_DIR
		a2dissite "${1}.conf" > /dev/null
		service apache2 reload > /dev/null
		rm "${1}.conf"
		sed -re "/^\n?127\.0\.0\.1\s+${1}\swww.${1}\n?$/ d" < /etc/hosts > /tmp/hosts
		if [ -s /tmp/hosts ]; then
			cp /tmp/hosts /etc/hosts
		fi
		c_echo "✓ $1 has removed" "green"
		exit 0
	else
		c_echo "✗ this domaine not exist." "red"
		exit 1
	fi
}

# busness logic
PARAM=$1

if ! test `id -u` -eq 0; then
	c_echo "✗ permission denied" "red";
	exit 1
fi

prog_exist "apache2"

if [[ $PARAM == "add" ]]; then
	case $# in
		3) add_vhost $2 $3 ;;
		4) add_vhost $2 $3 $4 ;;
		5) add_vhost $2 $3 $4 $5 ;;
		*) usage
		   exit 1 ;;
	esac
elif [[ $PARAM == "remove" ]]; then
	remove_vhost $2
	exit 0
elif [[ $PARAM == "list" ]]; then
	i=0
	for file in `ls /etc/apache2/sites-enabled`; do
		i=$(expr $i + 1)
		len=$(expr length $file)
		end=$(expr $len - 5)
		file=$(expr substr $file 1 $end)
		c_echo "☑ $file" "green"
	done
	exit 0
elif [[ $PARAM == "has" ]]; then
	if [ -f "$APACHE_SITE_DIR/$2.conf" ]; then
		c_echo "✗ domaine $2 exist." "green"
	else
		c_echo "✗ domaine $2 not found" "red"
	fi
elif [[ $PARAM == "help" ]]; then
	usage $PARAM $2
	exit 0
else
	usage
	exit 1
fi