#!/bin/bash
# info: add mail account alias aka nickname
# options: USER DOMAIN ACCOUNT ALIAS
#
# The function add new email alias.


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

# Argument defenition
user=$1
domain=$(idn -t --quiet -u "$2" )
domain=$(echo $domain | tr '[:upper:]' '[:lower:]')
domain_idn=$(idn -t --quiet -a "$domain")
account=$3
malias=$4

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


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

check_args '4' "$#" 'USER DOMAIN ACCOUNT ALIAS'
validate_format 'user' 'domain' 'account' 'malias'
is_system_enabled "$MAIL_SYSTEM" 'MAIL_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'mail' 'DOMAIN' "$domain"
is_object_unsuspended 'mail' 'DOMAIN' "$domain"
is_object_valid "mail/$domain" 'ACCOUNT' "$account"
is_object_unsuspended "mail/$domain" 'ACCOUNT' "$account"
is_mail_new "$malias"


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

# Adding exim alias
str="$malias@$domain:$account@$domain"
echo "$str" >> $HOMEDIR/$user/conf/mail/$domain/aliases


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

# Adding vesta alias
aliases=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$ALIAS')
if [ -z "$aliases" ]; then
    aliases="$malias"
else
    aliases="$aliases,$malias"
fi
update_object_value "mail/$domain" 'ACCOUNT' "$account"  '$ALIAS' "$aliases"

# Logging
log_history "added alias $malias to $account@$domain "
log_event "$OK" "$EVENT"

exit
