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#!/bin/bash
# info: backup system user with all its objects
# options: USER NOTIFY
#
# The call is used for backing up user with all its domains and databases.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Importing system variables
source /etc/profile

# Argument definition
user=$1
notify=${2-no}

# Includes
source $VESTA/func/main.sh
source $VESTA/func/domain.sh
source $VESTA/func/db.sh
source $VESTA/conf/vesta.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '1' "$#" 'USER [NOTIFY]'
is_format_valid 'user'
is_system_enabled "$BACKUP_SYSTEM" 'BACKUP_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_backup_enabled


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Set backup directory if undefined
if [ -z "$BACKUP" ]; then
    BACKUP=/backup
fi
mkdir -p $BACKUP

# Get current time
start_time=$(date '+%s')

# Set notification email and subject
subj="$user в†’ backup failed"
email=$(grep CONTACT $VESTA/data/users/admin/user.conf |cut -f 2 -d \')

# Checking load average
la=$(cat /proc/loadavg |cut -f 1 -d ' ' |cut -f 1 -d '.')
i=0
while [ "$la" -ge "$BACKUP_LA_LIMIT" ]; do
    echo -e "$(date "+%F %T") Load Average $la"
    sleep 60
    if [ "$i" -ge "15" ]; then
        la_error="LoadAverage $la is above threshold"
        echo "$la_error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result $E_LA "$la_error"
    fi
    la=$(cat /proc/loadavg |cut -f 1 -d ' ' |cut -f 1 -d '.')
    (( ++i))
done

# Creating temporary directory
tmpdir=$(mktemp -p /tmp -d)

if [ "$?" -ne 0 ]; then
    echo "Can't create tmp dir $tmpdir" |$SENDMAIL -s "$subj" $email $notify
    check_result $E_NOTEXIST "can't create tmp dir"
fi

# Backup sys configs
echo "-- SYSTEM --" |tee $BACKUP/$user.log
mkdir $tmpdir/vesta

echo -e "$(date "+%F %T") $user.conf" |tee -a $BACKUP/$user.log
cp -r $USER_DATA/user.conf $tmpdir/vesta/
cp -r $USER_DATA/ssl $tmpdir/vesta/

if [ -e "$USER_DATA/stats.log" ]; then
    echo -e "$(date "+%F %T") stats.log" |tee -a $BACKUP/$user.log
    cp -r $USER_DATA/stats.log $tmpdir/vesta/
fi

if [ -e "$USER_DATA/history.log" ]; then
    echo -e "$(date "+%F %T") history.log" |tee -a $BACKUP/$user.log
    cp -r $USER_DATA/history.log $tmpdir/vesta/
fi

if [ -e "$USER_DATA/backup-excludes.conf" ]; then
    echo -e "$(date "+%F %T") backup-excludes.conf" |tee -a $BACKUP/$user.log
    cp -r $USER_DATA/backup-excludes.conf $tmpdir/vesta/
fi

# Backup PAM
mkdir $tmpdir/pam
echo -e "$(date "+%F %T") pam" |tee -a $BACKUP/$user.log
grep "^$user:" /etc/passwd > $tmpdir/pam/passwd
grep "^$user:" /etc/shadow > $tmpdir/pam/shadow
grep "^$user:" /etc/group > $tmpdir/pam/group
echo

# Parsing excludes
if [ -e "$USER_DATA/backup-excludes.conf" ]; then
    source $USER_DATA/backup-excludes.conf
fi

# WEB domains
if [ ! -z "$WEB_SYSTEM" ] && [ "$WEB" != '*' ]; then
    echo -e "\n-- WEB --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/web/

    # Parsing domain exclusions
    conf="$USER_DATA/web.conf"
    for domain in $(search_objects 'web' 'SUSPENDED' "*" 'DOMAIN'); do
        exclusion=$(echo -e "$WEB" |tr ',' '\n' |grep "^$domain$")
        if [ -z "$exclusion" ]; then
            web_list="$web_list $domain"
        else
            echo "$(date "+%F %T") excluding $domain"|tee -a $BACKUP/$user.log
        fi
    done
    web_list=$(echo "$web_list" |sed -e "s/  */\ /g" -e "s/^ //")

    i=0

    for domain in $web_list; do
        ((i ++))
        echo -e "$(date "+%F %T") $domain" |tee -a $BACKUP/$user.log
        mkdir -p $tmpdir/web/$domain/conf
        mkdir -p $tmpdir/web/$domain/vesta

        # Get domain variables
        domain_idn=$domain
        format_domain_idn
        get_domain_values 'web'

        # Backup web.conf
        cd $tmpdir/web/$domain/
        conf="$USER_DATA/web.conf"
        grep "DOMAIN='$domain'" $conf > vesta/web.conf

        # Backup vhost config
        conf=$HOMEDIR/$user/conf/web/$domain.$WEB_SYSTEM.conf
        if [ -e "$conf" ]; then
            cp $conf conf/$WEB_SYSTEM.conf
        else
            # old style configs
            tpl_file="$WEBTPL/$WEB_SYSTEM/$WEB_BACKEND/$TPL.tpl"
            conf="$HOMEDIR/$user/conf/web/$WEB_SYSTEM.conf"
            get_web_config_lines $tpl_file $conf
            sed -n "$top_line,$bottom_line p" $conf > conf/$WEB_SYSTEM.conf
        fi

        # Backup ssl vhost
        if [ "$SSL" = 'yes' ]; then
            conf=$HOMEDIR/$user/conf/web/$domain.$WEB_SYSTEM.ssl.conf
            if [ -e "$conf" ]; then
                cp $conf conf/$WEB_SYSTEM.ssl.conf
            else
                tpl_file="$WEBTPL/$WEB_SYSTEM/$WEB_BACKEND/$TPL.stpl"
                conf="$HOMEDIR/$user/conf/web/s$WEB_SYSTEM.conf"
                get_web_config_lines $tpl_file $conf
                sed -n "$top_line,$bottom_line p" $conf > \
                    conf/s$WEB_SYSTEM.conf
            fi
        fi

        # Backup proxy config
        if [ ! -z "$PROXY_SYSTEM" ] && [ ! -z "$PROXY" ]; then
            conf=$HOMEDIR/$user/conf/web/$domain.$PROXY_SYSTEM.conf
            if [ -e "$conf" ]; then
                cp $conf conf/$PROXY_SYSTEM.conf
            else
                tpl_file="$WEBTPL/$PROXY_SYSTEM/$PROXY.tpl"
                conf="$HOMEDIR/$user/conf/web/$PROXY_SYSTEM.conf"
                get_web_config_lines $tpl_file $conf
                sed -n "$top_line,$bottom_line p" $conf > \
                    conf/$PROXY_SYSTEM.conf
            fi
        fi

        # Backup ssl proxy config
        if [ ! -z "$PROXY_SYSTEM" ] && [ "$SSL" = 'yes' ]; then
            conf=$HOMEDIR/$user/conf/web/$domain.$PROXY_SYSTEM.ssl.conf
            if [ -e "$conf" ]; then
                cp $conf conf/$PROXY_SYSTEM.ssl.conf
            else
                tpl_file="$WEBTPL/$PROXY_SYSTEM/$PROXY.stpl"
                conf="$HOMEDIR/$user/conf/web/s$PROXY_SYSTEM.conf"
                get_web_config_lines $tpl_file $conf
                sed -n "$top_line,$bottom_line p" $conf >\
                    conf/s$PROXY_SYSTEM.conf
            fi
        fi

        # Backup custom config / backup LE config
        for sconfig in $(ls $HOMEDIR/$user/conf/web/|grep ".$domain.conf"); do
            cp $HOMEDIR/$user/conf/web/$sconfig conf/
        done

        # Backup ssl certificates
        if [ "$SSL" = 'yes' ] ; then
            cp $HOMEDIR/$user/conf/web/ssl.$domain.* conf/
            cp $USER_DATA/ssl/$domain.* vesta/
        fi

        # Define exclude arguments
        exlusion=$(echo -e "$WEB" |tr ',' '\n' |grep "^$domain:")
        set -f
        fargs=()
        fargs+=(--exclude='logs/*')
        if [ ! -z "$exlusion" ]; then
            xdirs="$(echo -e "$exlusion" |tr ':' '\n' |grep -v $domain)"
            for xpath in $xdirs; do
                fargs+=(--exclude=$xpath/*)
                echo "$(date "+%F %T") excluding directory $xpath"
                msg="$msg\n$(date "+%F %T") excluding directory $xpath"
            done
        fi
        set +f

        # Backup files
        cd $HOMEDIR/$user/web/$domain
        tar -cpf- * ${fargs[@]} |gzip -$BACKUP_GZIP - > $tmpdir/web/$domain/domain_data.tar.gz
    done

    # Print total
    if [ "$i" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $i domain ***" |tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $i domains ***"|tee -a $BACKUP/$user.log
    fi
fi

# DNS domains
if [ ! -z "$DNS_SYSTEM" ] && [ "$DNS" != '*' ]; then
    echo -e "\n-- DNS --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/dns/

    # Parsing domain exclusions
    for domain in $(search_objects 'dns' 'SUSPENDED' "*" 'DOMAIN'); do
        exclusion=$(echo "$DNS" |tr ',' '\n' |grep "^$domain$")
        if [ -z "$exclusion" ]; then
            dns_list="$dns_list $domain"
        else
            echo "$(date "+%F %T") excluding $domain"
            msg="$msg\n$(date "+%F %T") excluding $domain"
        fi
    done
    dns_list=$(echo "$dns_list" |sed -e "s/  */\ /g" -e "s/^ //")

    i=0
    for domain in $dns_list; do
        ((i ++))
        echo -e "$(date "+%F %T") $domain" |tee -a $BACKUP/$user.log

        # Building directory tree
        mkdir -p $tmpdir/dns/$domain/conf
        mkdir -p $tmpdir/dns/$domain/vesta

        # Backup dns.conf
        cd $tmpdir/dns/$domain/
        conf="$USER_DATA/dns.conf"
        grep "DOMAIN='$domain'" $conf > vesta/dns.conf

        # Backup dns recods
        cp $USER_DATA/dns/$domain.conf vesta/$domain.conf
        if [ "$DNS_SYSTEM" != 'remote' ]; then
            cp $HOMEDIR/$user/conf/dns/$domain.db conf/$domain.db
        fi
    done

    # Print total
    if [ "$i" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $i domain ***" |tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $i domains ***"|tee -a $BACKUP/$user.log
    fi
fi

# Mail domains
if [ ! -z "$MAIL_SYSTEM" ] && [ "$MAIL" != '*' ]; then
    echo -e "\n-- MAIL --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/mail/

    # Parsing domain exclusions
    conf="$USER_DATA/mail.conf"
    for domain in $(search_objects 'mail' 'SUSPENDED' "*" 'DOMAIN'); do
        check_exl=$(echo "$MAIL" |tr ',' '\n' |grep "^$domain$")
        if [ -z "$check_exl" ]; then
            mail_list="$mail_list $domain"
        else
            echo "$(date "+%F %T") excluding $domain"|tee -a $BACKUP/$user.log
        fi
    done
    mail_list=$(echo "$mail_list" |sed -e "s/  */\ /g" -e "s/^ //")

    i=0
    for domain in $mail_list; do
        ((i ++))
        echo -e "$(date "+%F %T") $domain" |tee -a $BACKUP/$user.log
        mkdir -p $tmpdir/mail/$domain/conf
        mkdir -p $tmpdir/mail/$domain/vesta
        domain_idn=$domain
        format_domain_idn

        # Backup exim config
        if [[ "$MAIL_SYSTEM" =~ exim ]]; then
            cd $tmpdir/mail/$domain/
            cp $HOMEDIR/$user/conf/mail/$domain/* conf/
        fi

        # Backup mail.conf
        conf="$USER_DATA/mail.conf"
        grep "DOMAIN='$domain'" $conf > vesta/mail.conf
        cp $USER_DATA/mail/$domain.* vesta/
        if [ ! -z "$(ls $USER_DATA/mail/|grep *@$domain)" ]; then
            cp $USER_DATA/mail/*@$domain.* vesta/
        fi

        # Backup emails
        cd $HOMEDIR/$user/mail/$domain_idn
        accounts=()
        for account in $(ls); do
            exclusion=$(echo "$MAIL" |tr ',' '\n' |grep "$domain:")
            exclusion=$(echo "$exclusion" |tr ':' '\n' |grep "^$account$")

            # Checking exlusions
            if [ -z "$exclusion" ] && [[ "$MAIL_SYSTEM" =~ exim ]]; then
                accounts+=($account)
            else
                echo "$(date "+%F %T") excluding mail account $account" |\
                    tee -a $BACKUP/$user.log
            fi
        done

        # Compress archive
        if [ ${#accounts[@]} -gt 0 ]; then
            tar -cpf- ${accounts[@]} |gzip -$BACKUP_GZIP - > $tmpdir/mail/$domain/accounts.tar.gz
        fi
    done

    # Print total
    if [ "$i" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $i domain ***" |tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $i domains ***"|tee -a $BACKUP/$user.log
    fi
fi


# Databases
if [ ! -z "$DB_SYSTEM" ] && [ "$DB" != '*' ]; then
    echo -e "\n-- DB --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/db/

    # Parsing database exclusions
    for database in $(search_objects 'db' 'SUSPENDED' "*" 'DB'); do
        exclusion=$(echo "$DB" |tr ',' '\n' |grep "^$database$")
        if [ -z "$exclusion" ]; then
            db_list="$db_list $database"
        else
            echo "$(date "+%F %T") excluding $database" |\
                tee -a $BACKUP/$user.log
        fi
    done

    i=0
    conf="$USER_DATA/db.conf"
    db_list=$(echo "$db_list" |sed -e "s/  */\ /g" -e "s/^ //")
    for database in $db_list; do
        ((i ++))
        get_database_values

        echo -e "$(date "+%F %T") $database ($TYPE)" |tee -a $BACKUP/$user.log
        mkdir -p $tmpdir/db/$database/conf
        mkdir -p $tmpdir/db/$database/vesta

        cd $tmpdir/db/$database/
        grep "DB='$database'" $conf > vesta/db.conf

        dump="$tmpdir/db/$database/$database.$TYPE.sql"
        grants="$tmpdir/db/$database/conf/$database.$TYPE.$DBUSER"
        case $TYPE in
            mysql) dump_mysql_database ;;
            pgsql) dump_pgsql_database ;;
        esac

        # Compress dump
        gzip -$BACKUP_GZIP $dump
    done

    # Print total
    if [ "$i" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $i database ***" |\
            tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $i databases ***"|\
            tee -a $BACKUP/$user.log
    fi
fi

# Cron jobs
if [ ! -z "$CRON_SYSTEM" ] && [ "$CRON" != '*' ]; then
    echo -e "\n-- CRON --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/cron/

    # Backup cron.conf
    cp $USER_DATA/cron.conf $tmpdir/cron/
    cron_record=$(wc -l $USER_DATA/cron.conf|cut -f 1 -d ' ')

    if [ -e "/var/spool/cron/$user" ]; then
        cron_list="$cron_record"
        cp /var/spool/cron/$user $tmpdir/cron/
    fi

    # Print total
    if [ "$cron_record" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $cron_record job ***" |\
            tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $cron_record jobs ***" |\
            tee -a $BACKUP/$user.log
    fi
fi

# User Directories
if [ "$USER" != '*' ]; then
    echo -e "\n-- User Dir --" |tee -a $BACKUP/$user.log
    mkdir $tmpdir/user_dir
    cd $HOMEDIR/$user

    # Parsing directory exlusions
    USER=''
    if [ -e "$USER_DATA/backup-excludes.conf" ]; then
        source $USER_DATA/backup-excludes.conf
    fi
    fargs=()
    for xpath in $(echo "$USER" |tr ',' '\n'); do
        fargs+=(-not)
        fargs+=(-path)
        fargs+=("./$xpath*")
        echo "$(date "+%F %T") excluding directory $xpath" |\
            tee -a $BACKUP/$user.log
    done

    IFS=$'\n'
    set -f
    i=0

    for udir in $(ls -a |egrep -v "^conf$|^web$|^dns$|^mail$|^\.\.$|^\.$"); do
        exclusion=$(echo "$USER" |tr ',' '\n' |grep "^$udir$")
        if [ -z "$exclusion" ]; then
            ((i ++))
            udir_list="$udir_list $udir"
            echo -e "$(date "+%F %T") adding $udir" |tee -a $BACKUP/$user.log

            # Backup files and dirs
            tar -cpf- $udir |gzip -$BACKUP_GZIP - > $tmpdir/user_dir/$udir.tar.gz
        fi
    done
    set +f
    udir_list=$(echo "$udir_list" |sed -e "s/  */\ /g" -e "s/^ //")

    # Print total
    if [ "$i" -eq 1 ]; then
        echo -e "$(date "+%F %T") *** $i user directory ***" |\
            tee -a $BACKUP/$user.log
    else
        echo -e "$(date "+%F %T") *** $i directories ***" |\
            tee -a $BACKUP/$user.log
    fi
fi

# Get backup size
size="$(du -shm $tmpdir |cut -f 1)"

# Get current time
end_time=$(date '+%s')
time_n_date=$(date +'%T %F')
time=$(echo "$time_n_date" |cut -f 1 -d \ )
date=$(echo "$time_n_date" |cut -f 2 -d \ )
backup_new_date=$(date +"%Y-%m-%d_%H-%M-%S")

# Defining local storage function
local_backup(){

    rm -f $BACKUP/$user.$backup_new_date.tar

    # Checking retention
    backup_list=$(ls -lrt $BACKUP/ |awk '{print $9}' |grep "^$user\." | grep ".tar")
    backups_count=$(echo "$backup_list" |wc -l)
    if [ "$BACKUPS" -le "$backups_count" ]; then
        backups_rm_number=$((backups_count - BACKUPS + 1))

        # Removing old backup
        for backup in $(echo "$backup_list" |head -n $backups_rm_number); do
            backup_date=$(echo $backup |sed -e "s/$user.//" -e "s/.tar$//")
            echo -e "$(date "+%F %T") Rotated: $backup_date" |\
                tee -a $BACKUP/$user.log
            rm -f $BACKUP/$backup
        done
    fi

    # Checking disk space
    disk_usage=$(df $BACKUP |tail -n1 |tr ' ' '\n' |grep % |cut -f 1 -d %)
    if [ "$disk_usage" -ge "$BACKUP_DISK_LIMIT" ]; then
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        echo "Not enough disk space" |$SENDMAIL -s "$subj" $email $notify
        check_result "$E_DISK" "Not enough dsk space"
    fi

    # Creating final tarball
    cd $tmpdir
    tar -cf $BACKUP/$user.$backup_new_date.tar .
    chmod 640 $BACKUP/$user.$backup_new_date.tar
    chown admin:$user $BACKUP/$user.$backup_new_date.tar
    localbackup='yes'
    echo -e "$(date "+%F %T") Local: $BACKUP/$user.$backup_new_date.tar" |\
        tee -a $BACKUP/$user.log
}


# Defining ftp command function
ftpc() {
    /usr/bin/ftp -np $HOST $PORT <<EOF
    quote USER $USERNAME
    quote PASS $PASSWORD
    binary
    $1
    $2
    $3
    quit
EOF
}

# Defining ftp storage function
ftp_backup() {
    # Checking config
    if [ ! -e "$VESTA/conf/ftp.backup.conf" ]; then
        error="ftp.backup.conf doesn't exist"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_NOTEXIST" "$error"
    fi

    # Parse config
    source $VESTA/conf/ftp.backup.conf

    # Set default port
    if [ -z "$(grep 'PORT=' $VESTA/conf/ftp.backup.conf)" ]; then
        PORT='21'
    fi

    # Checking variables
    if [ -z "$HOST" ] || [ -z "$USERNAME" ] || [ -z "$PASSWORD" ]; then
        error="Can't parse ftp backup configuration"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_PARSING" "$error"
    fi

    # Debug info
    echo -e "$(date "+%F %T") Remote: ftp://$HOST$BPATH/$user.$backup_new_date.tar"

    # Checking ftp connection
    fconn=$(ftpc)
    ferror=$(echo $fconn |grep -i -e failed -e error -e "Can't" -e "not conn")
    if [ ! -z "$ferror" ]; then
        error="Error: can't login to ftp ftp://$USERNAME@$HOST"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_CONNECT" "$error"
    fi

    # Check ftp permissions
    if [ -z $BPATH ]; then
            ftmpdir="vst.bK76A9SUkt"
        else
            ftpc "mkdir $BPATH" > /dev/null 2>&1
            ftmpdir="$BPATH/vst.bK76A9SUkt"
    fi
    ftpc "mkdir $ftmpdir" "rm $ftmpdir"
    ftp_result=$(ftpc "mkdir $ftmpdir" "rm $ftmpdir" |grep -v Trying)
    if [ ! -z "$ftp_result" ] ; then
        error="Can't create ftp backup folder ftp://$HOST$BPATH"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_FTP" "$error"
    fi

    # Checking retention
    if [ -z $BPATH ]; then
        backup_list=$(ftpc "ls" |awk '{print $9}' |grep "^$user\.")
    else
        backup_list=$(ftpc "cd $BPATH" "ls" |awk '{print $9}' |grep "^$user\.")
    fi
    backups_count=$(echo "$backup_list" |wc -l)
    if [ "$backups_count" -ge "$BACKUPS" ]; then
        backups_rm_number=$((backups_count - BACKUPS))
        for backup in $(echo "$backup_list" |head -n $backups_rm_number); do 
            backup_date=$(echo $backup |sed -e "s/$user.//" -e "s/.tar$//")
            echo -e "$(date "+%F %T") Rotated ftp backup: $backup_date" |\
                tee -a $BACKUP/$user.log
            if [ -z $BPATH ]; then
                ftpc "delete $backup"
            else
                ftpc "cd $BPATH" "delete $backup"
            fi
        done
    fi

    # Uploading backup archive
    if [ "$localbackup" = 'yes' ]; then
        cd $BACKUP
        if [ -z $BPATH ]; then
            ftpc "put $user.$backup_new_date.tar"
         else
            ftpc "cd $BPATH" "put $user.$backup_new_date.tar"
        fi
    else
        cd $tmpdir
        tar -cf $BACKUP/$user.$backup_new_date.tar .
        cd $BACKUP/
        if [ -z $BPATH ]; then
            ftpc "put $user.$backup_new_date.tar"
        else
            ftpc "cd $BPATH" "put $user.$backup_new_date.tar"
        fi
        rm -f $user.$backup_new_date.tar
    fi
}

# sftp command function
sftpc() {
    expect -f "-" <<EOF "$@"
        set timeout 60
        set count 0
        spawn /usr/bin/sftp -o StrictHostKeyChecking=no \
            -o Port=$PORT $USERNAME@$HOST
        expect {
            "password:" {
                send "$PASSWORD\r"
                exp_continue
            }

            -re "Couldn't|(.*)disconnect|(.*)stalled|(.*)not found" {
                set count \$argc
                set output "Disconnected."
                set rc $E_FTP
                exp_continue
            }

            -re ".*denied.*(publickey|password)." {
                set output "Permission denied, wrong publickey or password."
                set rc $E_CONNECT
            }

            -re "\[0-9]*%" {
                exp_continue
            }

            "sftp>" {
                if {\$count < \$argc} {
                    set arg [lindex \$argv \$count]
                    send "\$arg\r"
                    incr count
                } else {
                    send "exit\r"
                    set output "Disconnected."
                    if {[info exists rc] != 1} {
                        set rc $OK
                    }
                }
                exp_continue
            }

            timeout {
                set output "Connection timeout."
                set rc $E_CONNECT
            }
        }

        if {[info exists output] == 1} {
            puts "\$output"
        }

    exit \$rc
EOF
}

sftp_backup() {

    # Checking config
    if [ ! -e "$VESTA/conf/sftp.backup.conf" ]; then
        error="Can't open sftp.backup.conf"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_NOTEXIST" "$error"
    fi

    # Parse config
    source $VESTA/conf/sftp.backup.conf

    # Set default port
    if [ -z "$(grep 'PORT=' $VESTA/conf/sftp.backup.conf)" ]; then
        PORT='22'
    fi

    # Checking variables
    if [ -z "$HOST" ] || [ -z "$USERNAME" ] || [ -z "$PASSWORD" ]; then
        error="Can't parse sftp backup configuration"
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$E_PARSING" "$error"
    fi

    # Debug info
    echo -e "$(date "+%F %T") Remote: sftp://$HOST/$BPATH/$user.$backup_new_date.tar" |\
        tee -a $BACKUP/$user.log

    # Checking network connection and write permissions
    if [ -z $BPATH ]; then
        sftmpdir="vst.bK76A9SUkt"
    else
        sftmpdir="$BPATH/vst.bK76A9SUkt"
    fi
    sftpc "mkdir $BPATH" > /dev/null 2>&1
    sftpc "mkdir $sftmpdir" "rmdir $sftmpdir" > /dev/null 2>&1
    rc=$?
    if [[ "$rc" != 0 ]]; then
        case $rc in
            $E_CONNECT) error="Can't login to sftp host $HOST" ;;
            $E_FTP) error="Can't create temp folder on sftp $HOST" ;;
        esac
        rm -rf $tmpdir
        rm -f $BACKUP/$user.log
        echo "$error" |$SENDMAIL -s "$subj" $email $notify
        sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
        check_result "$rc" "$error"
    fi

    # Checking retention
    if [ -z $BPATH ]; then
        backup_list=$(sftpc "ls -l" |awk '{print $9}'|grep "^$user\.")
    else
        backup_list=$(sftpc "cd $BPATH" "ls -l" |awk '{print $9}'|grep "^$user\.")
    fi
    backups_count=$(echo "$backup_list" |wc -l)
    if [ "$backups_count" -ge "$BACKUPS" ]; then
        backups_rm_number=$((backups_count - BACKUPS))
        for backup in $(echo "$backup_list" |head -n $backups_rm_number); do
            backup_date=$(echo $backup |sed -e "s/$user.//" -e "s/.tar.*$//")
            echo -e "$(date "+%F %T") Rotated sftp backup: $backup_date" |\
                tee -a $BACKUP/$user.log
            if [ -z $BPATH ]; then
                sftpc "rm $backup" > /dev/null 2>&1
            else
                sftpc "cd $BPATH" "rm $backup" > /dev/null 2>&1
            fi
        done
    fi

    # Uploading backup archive
    echo "$(date "+%F %T") Uploading $user.$backup_new_date.tar"|tee -a $BACKUP/$user.log
    if [ "$localbackup" = 'yes' ]; then
        cd $BACKUP
        if [ -z $BPATH ]; then
            sftpc "put $user.$backup_new_date.tar" "chmod 0600 $user.$backup_new_date.tar" > /dev/null 2>&1
        else
            sftpc "cd $BPATH" "put $user.$backup_new_date.tar" "chmod 0600 $user.$backup_new_date.tar" > /dev/null 2>&1
        fi
    else
        cd $tmpdir
        tar -cf $BACKUP/$user.$backup_new_date.tar .
        cd $BACKUP/
        if [ -z $BPATH ]; then
            sftpc "put $user.$backup_new_date.tar" "chmod 0600 $user.$backup_new_date.tar" > /dev/null 2>&1
        else
            sftpc "cd $BPATH" "put $user.$backup_new_date.tar" "chmod 0600 $user.$backup_new_date.tar" > /dev/null 2>&1
        fi
        rm -f $user.$backup_new_date.tar
    fi
}

google_backup() {

    # Defining google settings
    source $VESTA/conf/google.backup.conf
    gsutil="$VESTA/3rdparty/gsutil/gsutil"
    export BOTO_CONFIG="$VESTA/conf/.google.backup.boto"

    # Debug info
    echo -e "$(date "+%F %T") Remote: gs://$BUCKET/$BPATH/$user.$backup_new_date.tar"

    # Checking retention
    backup_list=$(${gsutil} ls gs://$BUCKET/$BPATH/$user.* 2>/dev/null)
    backups_count=$(echo "$backup_list" |wc -l)
    if [ "$backups_count" -ge "$BACKUPS" ]; then
        backups_rm_number=$((backups_count - BACKUPS))
        for backup in $(echo "$backup_list" |head -n $backups_rm_number); do 
            echo -e "$(date "+%F %T") Rotated gcp backup: $backup"
            $gsutil rm $backup > /dev/null 2>&1
        done
    fi

    # Uploading backup archive
    echo -e "$(date "+%F %T") Uploading $user.$backup_new_date.tar ..."
    if [ "$localbackup" = 'yes' ]; then
        cd $BACKUP
        ${gsutil} cp $user.$backup_new_date.tar gs://$BUCKET/$BPATH/ > /dev/null 2>&1
    else
        cd $tmpdir
        tar -cf $BACKUP/$user.$backup_new_date.tar .
        cd $BACKUP/
        ${gsutil} cp $user.$backup_new_date.tar gs://$BUCKET/$BPATH/ > /dev/null 2>&1
        rc=$?
        rm -f $user.$backup_new_date.tar
        if [ "$rc" -ne 0 ]; then
            check_result "$E_CONNECT" "gsutil failed to upload $user.$backup_new_date.tar"
        fi
    fi
}


echo -e "\n-- SUMMARY --" |tee -a $BACKUP/$user.log

# Switching on backup system types
for backup_type in $(echo -e "${BACKUP_SYSTEM//,/\\n}"); do
    case $backup_type in
        local) local_backup ;;
        ftp)   ftp_backup ;;
        sftp)  sftp_backup ;;
        google) google_backup ;;
    esac
done

# Removing tmpdir
rm -rf $tmpdir

# Calculation run time
run_time=$((end_time - start_time))
run_time=$((run_time / 60))
current_time=$(date "+%T")
if [ "$run_time" -lt 1 ]; then
    run_time=1
fi
min=minutes
if [ "$run_time" -eq 1 ]; then
    min=minute
fi

echo "$(date "+%F %T") Size: $size MB" |tee -a $BACKUP/$user.log
echo "$(date "+%F %T") Runtime: $run_time $min" |tee -a $BACKUP/$user.log


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Removing duplicate
touch $USER_DATA/backup.conf
sed -i "/$user.$backup_new_date.tar/d" $USER_DATA/backup.conf

# Registering new backup
backup_str="BACKUP='$user.$backup_new_date.tar'"
backup_str="$backup_str TYPE='$BACKUP_SYSTEM' SIZE='$size'"
backup_str="$backup_str WEB='${web_list// /,}'"
backup_str="$backup_str DNS='${dns_list// /,}'"
backup_str="$backup_str MAIL='${mail_list// /,}'"
backup_str="$backup_str DB='${db_list// /,}'"
backup_str="$backup_str CRON='$cron_list'"
backup_str="$backup_str UDIR='${udir_list// /,}'"
backup_str="$backup_str RUNTIME='$run_time' TIME='$time' DATE='$date'"
echo "$backup_str" >> $USER_DATA/backup.conf

# Removing old backups
tail -n $BACKUPS $USER_DATA/backup.conf > $USER_DATA/backup.conf_
mv -f $USER_DATA/backup.conf_ $USER_DATA/backup.conf
chmod 660 $USER_DATA/backup.conf

# Deleting task from queue
sed -i "/v-backup-user $user /d" $VESTA/data/queue/backup.pipe

U_BACKUPS=$(grep BACKUP $USER_DATA/backup.conf |wc -l)
update_user_value "$user" '$U_BACKUPS' "$U_BACKUPS"

# Send notification
if [ -e "$BACKUP/$user.log" ]; then
    cd $BACKUP
    subj="$user в†’ backup has been completed"
    email=$(get_user_value '$CONTACT')
    cat $BACKUP/$user.log |$SENDMAIL -s "$subj" $email $notify
    rm $BACKUP/$user.log
fi

# Logging
log_event "$OK" "$ARGUMENTS"

exit