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