- #!/bin/sh
- # send mail script for travelmate notifications
- # Copyright (c) 2020-2021 Dirk Brenken (dev@brenken.org)
- # This is free software, licensed under the GNU General Public License v3.
-
- # set (s)hellcheck exceptions
- # shellcheck disable=1091,3040
-
- # Please note: you have to setup the package 'msmtp' before using this script
-
- export LC_ALL=C
- export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
- set -o pipefail
-
- # source function library if necessary
- #
- if [ -z "${_C}" ]; then
- . "/lib/functions.sh"
- fi
-
- trm_debug="$(uci_get travelmate global trm_debug "0")"
- trm_mailreceiver="$(uci_get travelmate global trm_mailreceiver)"
- trm_mailprofile="$(uci_get travelmate global trm_mailprofile "trm_notify")"
- trm_mailsender="$(uci_get travelmate global trm_mailsender "no-reply@travelmate")"
- trm_rtfile="$(uci_get travelmate global trm_rtfile "/tmp/trm_runtime.json")"
- trm_mailpgm="$(command -v msmtp)"
- trm_logger="$(command -v logger)"
-
- if [ -z "${trm_mailreceiver}" ]; then
- "${trm_logger}" -p "err" -t "trm-mail [${$}]" "please set the mail receiver with the 'trm_mailreceiver' option" 2>/dev/null
- exit 1
- fi
-
- if [ "${trm_debug}" = "1" ]; then
- debug="--debug"
- fi
-
- # info preparation
- #
- sys_info="$(
- strings /etc/banner 2>/dev/null
- ubus call system board | awk 'BEGIN{FS="[{}\"]"}{if($2=="kernel"||$2=="hostname"||$2=="system"||$2=="model"||$2=="description")printf " + %-12s: %s\n",$2,$4}'
- )"
- trm_info="$(/etc/init.d/travelmate status 2>/dev/null)"
- sta_info="$(jsonfilter -i "${trm_rtfile}" -q -l1 -e '@.data.station_id')"
- trm_mailtopic="$(uci_get travelmate global trm_mailtopic "travelmate connection to '${sta_info}'")"
- trm_mailhead="From: ${trm_mailsender}\nTo: ${trm_mailreceiver}\nSubject: ${trm_mailtopic}\nReply-to: ${trm_mailsender}\nMime-Version: 1.0\nContent-Type: text/html;charset=utf-8\nContent-Disposition: inline\n\n"
-
- # mail body
- #
- trm_mailtext="<html><body><pre style='display:block;font-family:monospace;font-size:1rem;padding:20;background-color:#f3eee5;white-space:pre'>"
- trm_mailtext="${trm_mailtext}\n<strong>++\n++ System Information ++\n++</strong>\n${sys_info}"
- trm_mailtext="${trm_mailtext}\n\n<strong>++\n++ Travelmate Information ++\n++</strong>\n${trm_info}"
- trm_mailtext="${trm_mailtext}</pre></body></html>"
-
- # send mail
- #
- printf "%b" "${trm_mailhead}${trm_mailtext}" 2>/dev/null | "${trm_mailpgm}" ${debug} -a "${trm_mailprofile}" "${trm_mailreceiver}" >/dev/null 2>&1
- "${trm_logger}" -p "info" -t "trm-mail [${$}]" "mail sent to '${trm_mailreceiver}' with rc '${?}'" 2>/dev/null
|
