#!/bin/bash
# info: change path for ftp user.
# options: USER DOMAIN FTP_USER FTP_PATH
#
# example: v-change-web-domain-ftp-path admin example.com /home/admin/example.com
#
# This function changes ftp user path.

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

# Argument definition
user=$1
domain=$2
domain_idn=$2
ftp_user=$3
ftp_path=$4

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# shellcheck source=/usr/local/hestia/func/domain.sh
source $HESTIA/func/domain.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

# Additional argument formatting
format_domain
format_domain_idn
# TODO: $domain_idn not used in this script - maybe $domain should be converted to $doman_idn ?

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

check_args '4' "$#" 'USER DOMAIN FTP_USER FTP_PATH'
is_format_valid 'user' 'domain' 'ftp_user'
is_system_enabled "$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"
get_domain_values 'web'
if [ -z "$(echo $FTP_USER | tr ':' '\n' | grep ^$ftp_user$)" ]; then
	echo "Error: account $ftp_user doesn't exist"
	log_event "$E_NOTEXIST" "$ARGUMENTS"
	exit "$E_NOTEXIST"
fi
ftp_path_a=$(readlink -f "$HOMEDIR/$user/web/$domain/$ftp_path")
if [ -z "$(echo $ftp_path_a | grep $HOMEDIR/$user/web/$domain)" ]; then
	echo "Error: absolute path $ftp_path_a is invalid"
	log_event "$E_INVALID" "$ARGUMENTS"
	exit "$E_INVALID"
fi

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

# MKDIR if path doesn't exist
if [ ! -e "$ftp_path_a" ]; then
	$BIN/v-add-fs-directory "$user" "$ftp_path_a"
	chown $user:$user "$ftp_path_a"
	chmod 751 "$ftp_path_a"
fi

# Chaning ftp user path
pw_str=$(grep -n "^$ftp_user:" /etc/passwd)
str=$(echo "$pw_str" | cut -f 1 -d :)
old_path=$(echo "$pw_str" | cut -f 7 -d :)
sed -i "$str s%$old_path%$ftp_path_a%g" /etc/passwd

#----------------------------------------------------------#
#                       Hestia                             #
#----------------------------------------------------------#

# Transforming absolute path to relative
ftp_path_r=$(echo $ftp_path_a | sed "s%$HOMEDIR/$user/web/$domain%%")

# Rebuilding FTP variables
position=$(echo $FTP_USER | tr ':' '\n' | grep -n '' | grep ":$ftp_user$" \
	| cut -f 1 -d:)
ftp_path=$(echo $FTP_PATH | tr ':' '\n' | grep -n '' \
	| sed -e "s%^$position:.*%$position:$ftp_path_r%" \
	| cut -f 2 -d : | sed -e ':a;N;$!ba;s/\n/:/g')

# Updating config
update_object_value 'web' 'DOMAIN' "$domain" '$FTP_PATH' "$ftp_path"

# Logging
$BIN/v-log-action "$user" "Info" "Web" "FTP account path changed (User: $ftp_user@domain, Path: $ftp_path_a)."
log_event "$OK" "$ARGUMENTS"

exit