#!/bin/bash
# info: delete firewall rule
# options: RULE
#
# The function deletes firewall rule.


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

# Importing system variables
source /etc/profile

# Argument definition
rule=$1

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


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

oldvalues=$(grep "RULE='$rule'" $VESTA/data/firewall/rules.conf)

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

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

if [ "$WEB_SYSTEM" == 'nginx' ] || [ "$PROXY_SYSTEM" == 'nginx' ]; then
    parse_object_kv_list_non_eval "$oldvalues"
    if [ "$PORT" == "80,443" ] && [ "$ACTION" == "DROP" ]; then
        sed -i "/$IP/d" /etc/nginx/conf.d/block-firewall.conf
        systemctl restart nginx
    fi
fi

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

# Logging
log_event "$OK" "$ARGUMENTS"

exit