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#!rsc
# RouterOS script: global-functions
# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
#
# global functions
# url encoding
:global UrlEncode do={
:local input [ :tostr $1 ];
:local return "";
:if ([ :len $input ] > 0) do={
:local chars " %&";
:local subs { "%20"; "%25"; "%26" };
:for i from=0 to=([ :len $input ] - 1) do={
:local char [ :pick $input $i ];
:local replace [ :find $chars $char ];
:if ([ :len $replace ] > 0) do={
:set $char ($subs->$replace);
}
:set $return ($return . $char);
}
}
:return $return;
}
# check and import required certificates
:global CertificateAvailable do={
:local fprint [ :tostr $1 ];
:global "script-updates-baseurl";
:global "script-updates-urlsuffix";
:if ([ :len [ / certificate find where fingerprint=$fprint ] ] = 0) do={
:log info ("Certificate with fingerprint " . $fprint . \
" not available, downloading and importing.");
:do {
/ tool fetch check-certificate=yes-without-crl \
($"script-updates-baseurl" . "certs/" . \
$fprint . ".pem" . $"script-updates-urlsuffix") \
dst-path=($fprint . ".pem");
/ certificate import file-name=($fprint . ".pem") passphrase="";
} on-error={
:log warning "Failed imprting certificate!";
}
}
}
# send notification via e-mail and telegram
# Note that subject and attachment are ignored for telegram!
:global SendNotification do={
:local subject [ :tostr $1 ];
:local message [ :tostr $2 ];
:local attach [ :tostr $3 ];
:global "email-general-to";
:global "email-general-cc";
:global "telegram-tokenid";
:global "telegram-chatid";
:global UrlEncode;
:global CertificateAvailable;
:if ([ :len $"email-general-to" ] > 0) do={
:do {
/ tool e-mail send to=$"email-general-to" cc=$"email-general-cc" \
subject=$subject body=$message file=$attach;
} on-error={
:log warning "Failed sending notification mail!";
}
}
:if ([ :len $"telegram-tokenid" ] > 0 && [ :len $"telegram-chatid" ] > 0) do={
$CertificateAvailable "973a41276ffd01e027a2aad49e34c37846d3e976ff6a620b6712e33832041aa6";
:do {
/ tool fetch check-certificate=yes-without-crl keep-result=no http-method=post \
("https://api.telegram.org/bot" . $"telegram-tokenid" . "/sendMessage") \
http-data=("chat_id=" . $"telegram-chatid" . "&text=" . [ $UrlEncode $message ]);
} on-error={
:log warning "Failed sending telegram notification!";
}
}
}
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