mirror of
https://github.com/eworm-de/routeros-scripts
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106 lines
2.8 KiB
Text
106 lines
2.8 KiB
Text
#!rsc
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# RouterOS script: global-functions
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# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
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#
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# global functions
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# return pseudo-random string for PSK
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:global GeneratePSK do={
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:local date $1;
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:global "daily-psk-secrets";
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:local months {
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"jan"; "feb"; "mar"; "apr"; "may"; "jun";
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"jul"; "aug"; "sep"; "oct"; "nov"; "dec"
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}
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:local monthtbl {
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0; 3; 3; 6; 1; 4; 6; 2; 5; 0; 3; 5
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}
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:local monthstr [ :pick $date 0 3 ];
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:local month;
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:local day [ :pick $date 4 6 ];
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:local century [ :pick $date 7 9 ];
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:local year [ :pick $date 9 11 ];
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# get numeric value for month
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:for mindex from=0 to=[ :len $months ] do={
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:if ([ :pick $months $mindex ] = $monthstr) do={
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:set month $mindex;
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}
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}
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# calculate day of week
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:local sum 0;
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:set sum ($sum + (2 * (3 - ($century - (($century / 4) * 4)))));
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:set sum ($sum + ($year / 4));
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:set sum ($sum + $year + $day);
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:set sum ($sum + $month);
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:set sum ($sum - (($sum / 7) * 7));
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:local return ([ :pick [ :pick $"daily-psk-secrets" 0 ] ($day - 1) ] . \
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[ :pick [ :pick $"daily-psk-secrets" 1 ] $month ] . \
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[ :pick [ :pick $"daily-psk-secrets" 2 ] $sum ]);
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:return $return;
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}
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# url encoding
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:global UrlEncode do={
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:local return "";
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:if ([ :len $1 ] > 0) do={
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:local chars " %&";
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:local subs { "%20"; "%25"; "%26" };
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:for i from=0 to=([ :len $1 ] - 1) do={
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:local char [ :pick $1 $i ];
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:local replace [ :find $chars $char ];
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:if ([ :len $replace ] > 0) do={
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:set $char ($subs->$replace);
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}
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:set $return ($return . $char);
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}
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}
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:return $return;
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}
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# send notification via e-mail and telegram
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# Note that subject and attachment are ignored for telegram!
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:global SendNotification do={
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:local subject $1;
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:local message $2;
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:local attach $3;
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:global "email-general-to";
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:global "email-general-cc";
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:global "telegram-tokenid";
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:global "telegram-chatid";
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:global UrlEncode;
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:if ([ :len $"email-general-to" ] > 0) do={
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:do {
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/ tool e-mail send to=$"email-general-to" cc=$"email-general-cc" \
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subject=$subject body=$message file=$attach;
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} on-error={
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:log warning "Failed sending notification mail!";
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}
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}
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# You need to import the certificate chain for api.telegram.org!
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# https://certs.godaddy.com/repository/gdroot-g2.crt
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# https://certs.godaddy.com/repository/gdig2.crt.pem
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:if ([ :len $"telegram-tokenid" ] > 0 && [ :len $"telegram-chatid" ] > 0) do={
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do {
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/ tool fetch check-certificate=yes-without-crl keep-result=no http-method=post \
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("https://api.telegram.org/bot" . $"telegram-tokenid" . "/sendMessage") \
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http-data=("chat_id=" . $"telegram-chatid" . "&text=" . [ $UrlEncode $message ]);
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} on-error={
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:log warning "Failed sending telegram notification!";
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}
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}
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}
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