#!/bin/bash
# info: list mail domain dkim dns records
# options: USER DOMAIN [FORMAT]
#
# The function of obtaining domain dkim dns records for proper setup.


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

# Argument definition
user=$1
domain=$2
format=${3-shell}

# Includes
source $VESTA/func/main.sh

# JSON list function
json_list() {
    echo '{'
    echo -e "\t\"_domainkey\": {"
    echo "            \"TTL\": \"3600\","
    echo "            \"TXT\": \"'t=y; o=~;'\""
    echo -e "\t},"
    echo -e "\n\t\"mail._domainkey\": {"
    echo "            \"TTL\": \"3600\","
    echo "            \"TXT\": \"\\\"$pub\\\"\""
    echo -e "\t}\n}"
}

# SHELL list function
shell_list() {
    echo "RECORD            TTL         TYPE      VALUE"
    echo "------            ---         ----      -----"
    echo "_domainkey        3600   IN   TXT      \"t=y; o=~;\""
    echo "mail._domainkey   3600   IN   TXT      \"k=rsa; p=$pub\""
}

# PLAIN list function
plain_list() {
    echo -e "_domainkey\t3600\tIN\tTXT\t\"t=y; o=~;\""
    echo -e "mail._domainkey\t3600\tIN\tTXT\t\"k=rsa; p=$pub\""
}

# CSV list function
csv_list() {
    echo "RECORD,TTL,IN,TYPE,VALUE"
    echo "_domainkey,3600,IN,TXT,\"\"t=y; o=~;\"\""
    echo "mail._domainkey,3600,IN,TXT,\"\"k=rsa; p=$pub\"\""
}


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

check_args '2' "$#" 'USER DOMAIN [FORMAT]'
is_object_valid 'user' 'USER' "$user"
is_object_valid 'mail' 'DOMAIN' "$domain"


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

# Parsing domain keys
if [ -e "$USER_DATA/mail/$domain.pub" ]; then
    pub=$(cat $USER_DATA/mail/$domain.pub |grep -v "KEY-----")
    pub=$(echo "$pub" |sed ':a;N;$!ba;s/\n/\\n/g')
else
    pub="DKIM-SUPPORT-IS-NOT-ACTIVATED"
fi

# Listing data
case $format in
    json)   json_list ;;
    plain)  plain_list ;;
    csv)    csv_list ;;
    shell)  shell_list |column -t -s '^';;
esac


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

exit
