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71 lines
2.6 KiB
71 lines
2.6 KiB
#!/bin/sh
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# send mail script for travelmate notifications
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# Copyright (c) 2020 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=1091,2016,2039,2059,2086,2143,2181,2188
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# Please note: you have to setup the package 'msmtp' before using this script
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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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if [ "$(uci_get 2>/dev/null; printf "%u" "${?}")" = "127" ]
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then
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. "/lib/functions.sh"
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fi
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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="$(command -v logger)"
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f_log()
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{
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local class="${1}" log_msg="${2}"
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if [ -x "${trm_logger}" ]
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then
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"${trm_logger}" -p "${class}" -t "trm-mail [${$}]" "${log_msg}"
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else
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printf "%s %s %s\\n" "${class}" "trm-mail [${$}]" "${log_msg}"
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fi
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}
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if [ -z "${trm_mailreceiver}" ]
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then
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f_log "err" "please set the mail receiver with the 'trm_mailreceiver' option"
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exit 1
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fi
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if [ "${trm_debug}" = "1" ]
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then
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debug="--debug"
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fi
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# info preparation
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#
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sys_info="$(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 '/^$/d' 2>/dev/null)"
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trm_info="$(/etc/init.d/travelmate status 2>/dev/null)"
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sta_info="$(jsonfilter -i "${trm_rtfile}" -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}" "${trm_mailreceiver}" >/dev/null 2>&1
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mail_rc="${?}"
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f_log "info" "mail sent to '${trm_mailreceiver}' with rc '${mail_rc}'"
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exit ${mail_rc}
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