#!/bin/bash
# info: add ftp account for web domain.
# options: USER DOMAIN FTP_USER FTP_PASSWORD
#
# The function creates addutional ftp account for web domain.


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

# Argument defenition
user=$1
domain=$(idn -t --quiet -u "$2" )
domain_idn=$(idn -t --quiet -a "$domain")
ftp_user=${1}_${3}
ftp_password=$4

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

# Hiding password
A4='******'
EVENT="DATE='$DATE' TIME='$TIME' CMD='$SCRIPT' A1='$A1' A2='$A2' A3='$A3'"
EVENT="$EVENT A4='$A4' A5='$A5' A6='$A6' A7='$A7' A8='$A8' A9='$A9'"

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

check_args '4' "$#" 'USER DOMAIN FTP_USER FTP_PASSWORD'
validate_format 'user' 'domain' 'ftp_user' 'ftp_password'
is_system_enabled "$WEB_SYSTEM" 'WEB_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'web' 'DOMAIN' "$domain"
is_object_unsuspended 'web' 'DOMAIN' "$domain"


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

get_domain_values 'web'
check_ftp_user=$(grep "^$ftp_user:" /etc/passwd)
if [ ! -z "$check_ftp_user" ] && [ "$FTP_USER" != "$ftp_user" ]; then
    echo "Error: ftp user $ftp_user already exists"
    log_event "$E_EXISTS $EVENT"
    exit $E_EXISTS
fi

if [ ! -z "$FTP_USER" ]; then
    /usr/sbin/userdel -f $FTP_USER
fi

# Define shell
shell='/sbin/nologin'
if [ -e "/usr/bin/rssh" ]; then
    shell='/usr/bin/rssh'
fi

# Adding user
/usr/sbin/adduser -o -u $(id -u $user) \
    -g $user \
    -s $shell \
    -M -d "$HOMEDIR/$user/web/$domain" \
    $ftp_user > /dev/null 2>&1

echo "$ftp_user:$ftp_password" | /usr/sbin/chpasswd
ftp_md5="$(awk -v user=$ftp_user -F : 'user == $1 {print $2}' /etc/shadow)"


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

# Update config
update_object_value 'web' 'DOMAIN' "$domain" '$FTP_USER' "$ftp_user"
update_object_value 'web' 'DOMAIN' "$domain" '$FTP_MD5' "$ftp_md5"

# Logging
log_history "added ftp account $ftp_user for $domain"
log_event "$OK" "$EVENT"

exit