docker-mailserver/target/bin/listmailuser

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#!/bin/bash
# shellcheck source=../scripts/helpers/index.sh
source /usr/local/bin/helpers/index.sh
# Workaround to support ENABLE_QUOTAS toggling during tests:
# shellcheck source=/dev/null
source /etc/dms-settings 2>/dev/null
function _main
{
local DATABASE_ACCOUNTS='/tmp/docker-mailserver/postfix-accounts.cf'
local DATABASE_VIRTUAL='/tmp/docker-mailserver/postfix-virtual.cf'
_list_entries "${DATABASE_ACCOUNTS}"
}
function _list_entries
{
local DATABASE=${1}
_db_should_exist_with_content "${DATABASE}"
local ENTRY_TO_DISPLAY
while read -r LINE
do
ENTRY_TO_DISPLAY=$(_format_list_item "${LINE}")
echo -e "* ${ENTRY_TO_DISPLAY}\n"
done < <(_get_valid_lines_from_file "${DATABASE}")
}
function _format_list_item
{
local LINE=${1}
local MAIL_ACCOUNT
MAIL_ACCOUNT=$(echo "${LINE}" | cut -d'|' -f1)
local WITH_QUOTA
WITH_QUOTA=$(_quota_show_for "${MAIL_ACCOUNT}")
local WITH_ALIASES
WITH_ALIASES=$(_alias_list_for_account "${MAIL_ACCOUNT}")
local ACCOUNT_ENTRY="${MAIL_ACCOUNT}"
[[ -n ${WITH_QUOTA} ]] && ACCOUNT_ENTRY+=" ${WITH_QUOTA}"
[[ -n ${WITH_ALIASES} ]] && ACCOUNT_ENTRY+="\n [ aliases -> ${WITH_ALIASES} ]"
echo "${ACCOUNT_ENTRY}"
}
function _quota_show_for
{
local MAIL_ACCOUNT=${1}
[[ ${ENABLE_QUOTAS} -ne 1 ]] && return 0
local QUOTA_INFO
# Matches a line where the 3rd column is `type='STORAGE'` - returning the next three column values:
IFS=' ' read -r -a QUOTA_INFO <<< "$(doveadm quota get -u "${MAIL_ACCOUNT}" | tail +2 | awk '{ if ($3 == "STORAGE") { print $4" "$5" "$6 } }')"
local CURRENT_SIZE SIZE_LIMIT PERCENT_USED
# Format the extracted quota storage columns:
CURRENT_SIZE="$(_bytes_to_human_readable_size "${QUOTA_INFO[0]}")"
SIZE_LIMIT="$(_bytes_to_human_readable_size "${QUOTA_INFO[1]}")"
PERCENT_USED="${QUOTA_INFO[2]}%"
echo "( ${CURRENT_SIZE} / ${SIZE_LIMIT} ) [${PERCENT_USED}]"
}
function _bytes_to_human_readable_size
{
# `-` represents a non-applicable value (eg: Like when `SIZE_LIMIT` is not set):
if [[ ${1:-} == '-' ]]
then
echo '~'
# Otherwise a value in KibiBytes (1024 bytes == 1k) is expected (Dovecots internal representation):
elif [[ ${1:-} =~ ^[0-9]+$ ]]
then
# kibibytes to bytes, converted to approproate IEC unit (eg: MiB):
echo $(( 1024 * ${1} )) | numfmt --to=iec
else
_exit_with_error "Supplied non-number argument '${1:-}' to '_bytes_to_human_readable_size()'"
fi
}
# Returns a comma delimited list of aliases associated to a recipient (ideally the recipient is a mail account):
function _alias_list_for_account
{
local MAIL_ACCOUNT=${1}
# `__db_list_already_contains_value` would be a more reliable check:
function _account_has_an_alias
{
local ANY_ALIAS='\S\+\s'
grep -qis "^${ANY_ALIAS}.*${MAIL_ACCOUNT}" "${DATABASE_VIRTUAL}"
}
if _account_has_an_alias
then
grep "${MAIL_ACCOUNT}" "${DATABASE_VIRTUAL}" | awk '{print $1;}' | sed ':a;N;$!ba;s/\n/, /g'
fi
}
_main