#!/bin/bash
# info: delete firewall rule
# options: RULE
#
# example: v-delete-firewall-rule SSH_BLOCK
#
# This function deletes firewall rule.

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

# Argument definition
rule=$1

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

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

check_args '1' "$#" 'RULE'
is_format_valid 'rule'
is_system_enabled "$FIREWALL_SYSTEM" 'FIREWALL_SYSTEM'
is_object_valid '../../data/firewall/rules' 'RULE' "$rule"

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

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

# Deleting rule
sed -i "/RULE='$rule' /d" $HESTIA/data/firewall/rules.conf

# Updating system firewall
$BIN/v-update-firewall

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

# Logging
$BIN/v-log-action "system" "Info" "Firewall" "Removed firewall rule (ID: $rule)."
log_event "$OK" "$ARGUMENTS"

exit
