#!/bin/bash

# ----------------------------- #
# BSMS - Bad Simple Mail Backup #
# ----------------------------- #
# 
# Author: ercoppa <ercoppa@gmail.com
# License: GNU GPL-2

#
# User conf - Please modify these value with a dedicated script (see as schema /root/bsmb-clean-config)
#

# Email address
# email=your@mail.com
# Backup Mysql databases? YES/NO
# dump_db=YES
# Backup directory? YES/NO
# tar_dir=YES

#
# Mysql configuration
#

# Mysql user
# sql_user=user
# Mysql password
# sql_pass=pass
# List of databases, listed in an array
# sql_db[0]=dbname

#
# Directory to backup
#

# List of directories, listed in an array
# dir_b[0]=/absolute/path/to/directory


#
# End user conf
#

#
# Internal script config
#
temp_dir=.backup_script
split_size=10000000 # 10MB
#split_size=100000 # 100Kb
sleep_time=100

if [ -z "$dump_db" ]; then
	echo "Please correcly configure the script"
	exit 1
fi
if [ -z "$tar_dir" ]; then
	echo "Please correcly configure the script"
        exit 1
fi

# Temp directory
if [ -d "$temp_dir" ]; then
	rm -rf $temp_dir
fi
mkdir $temp_dir

act=`pwd`
date=`date +%d/%m/%y`

#
# Dumping database
#
if [ "$dump_db" = "YES" ]; then
	DB=0
	while [ $DB -lt ${#sql_db[@]} ]; do
		cd $temp_dir
		echo "Dumping database: "${sql_db[$DB]} 
		mysqldump -u $sql_user -p$sql_pass ${sql_db[$DB]} > ${sql_db[$DB]}.sql
		tar -jcf ${sql_db[$DB]}.sql.tar.bz2 ${sql_db[$DB]}.sql
		rm -rf ${sql_db[$DB]}.sql
		sql_size=`stat -c %s ${sql_db[$DB]}.sql.tar.bz2`
		splitted=NO
		if [ $sql_size -ge $split_size ]; then
			split -d -b $split_size ${sql_db[$DB]}.sql.tar.bz2 ${sql_db[$DB]}.sql.tar.bz2.			
			rm -rf ${sql_db[$DB]}.sql.tar.bz2
			splitted=YES
		fi
		not_first=NO
		for i in $( ls $act/$temp_dir ); do
			if [ "$not_first" = "YES" ]; then
                                echo "Sleep $sleep_time seconds"
                                sleep $sleep_time
                        fi
			echo Sending $i
			text="Backup database <b>${sql_db[$DB]}</b>"
			sub="[$date] Backup database: ${sql_db[$DB]}"
			if [ "$splitted" = "YES" ]; then
				text="${text}<br />This is only a piece of your database, you need to join all piecies with a<br /><br />"
				text="${text}<code>cat file.sql.tar.bz2.00 file.sql.tar.bz2.01 [...]"
				text="${text} > ${sql_db[$DB]}.sql.tar.bz2</code>"
				sub="${sub} - $i"
			fi
			echo $text | mutt -e 'set content_type="text/html"' -a $i -s "$sub" $email
			rm -rf $i
			not_first=YES
		done
		let DB=DB+1
	done
	cd $act
fi



#
# Backup directory
#
if [ "$tar_dir" = "YES" ]; then
	if [ "$dump_db" = "YES" ]; then
		echo "Sleep $sleep_time seconds"
                sleep $sleep_time
	fi
        DIR=0
        while [ $DIR -lt ${#dir_b[@]} ]; do
                echo "Backup directory: "${dir_b[$DIR]}
		filename=$(basename ${dir_b[$DIR]})
		cd ${dir_b[$DIR]}/..
                tar -jcf $act/$temp_dir/$filename.tar.bz2 $filename
		cd $act/$temp_dir
                tar_size=`stat -c %s $filename.tar.bz2`
                splitted=NO
                if [ $tar_size -ge $split_size ]; then
                        split -d -b $split_size $filename.tar.bz2 $filename.tar.bz2.
                        rm -rf $filename.tar.bz2
                        splitted=YES
                fi
		not_first=NO
                for i in $( ls $act/$temp_dir ); do
			if [ "$not_first" = "YES" ]; then
				echo "Sleep $sleep_time seconds"
				sleep $sleep_time
			fi
                        echo Sending $i
                        text="Backup directory <b>$filename</b>"
			sub="[$date] Backup directory: $filename"
                        if [ "$splitted" = "YES" ]; then
                                text="${text}<br />This is only a piece of your $filename, you need to join all piecies with a<br /><br />"
                                text="${text}<code>cat file.tar.bz2.00 file.tar.bz2.01 [...]"
                                text="${text} > $filename.tar.bz2</code>"
				sub="${sub} - $i"
                        fi
                        echo $text | mutt -e 'set content_type="text/html"' -a $i -s "$sub" $email
                        rm -rf $i
			not_first=YES
                done
                let DIR=DIR+1
		cd $act
        done
fi

rm -rf $temp_dir
rm ~/sent

exit 0