- #!/bin/sh
- # send mail script for travelmate notifications
- # Copyright (c) 2020 Dirk Brenken (dev@brenken.org)
- # This is free software, licensed under the GNU General Public License v3.
-
- # set (s)hellcheck exceptions
- # shellcheck disable=1091,2016,2039,2059,2086,2143,2181,2188
-
- # 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
-
- if [ "$(uci_get 2>/dev/null; printf "%u" "${?}")" = "127" ]
- 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="$(command -v logger)"
-
- f_log()
- {
- local class="${1}" log_msg="${2}"
-
- if [ -x "${trm_logger}" ]
- then
- "${trm_logger}" -p "${class}" -t "trm-mail [${$}]" "${log_msg}"
- else
- printf "%s %s %s\\n" "${class}" "trm-mail [${$}]" "${log_msg}"
- fi
- }
-
- if [ -z "${trm_mailreceiver}" ]
- then
- f_log "err" "please set the mail receiver with the 'trm_mailreceiver' option"
- 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 | sed -e 's/\"release\": {//' | sed -e 's/^[ \t]*//' | sed -e 's/[{}\",]//g' | sed -e 's/[ ]/ \t/' | sed '/^$/d' 2>/dev/null)"
- trm_info="$(/etc/init.d/travelmate status 2>/dev/null)"
- sta_info="$(jsonfilter -i "${trm_rtfile}" -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}" "${trm_mailreceiver}" >/dev/null 2>&1
- mail_rc="${?}"
- f_log "info" "mail sent to '${trm_mailreceiver}' with rc '${mail_rc}'"
- exit ${mail_rc}
|
