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-rw-r--r--global-functions.d/notification-matrix157
1 files changed, 157 insertions, 0 deletions
diff --git a/global-functions.d/notification-matrix b/global-functions.d/notification-matrix
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+#!rsc by RouterOS
+# RouterOS script: global-functions.d/notification-matrix
+# Copyright (c) 2013-2021 Michael Gisbers <michael@gisbers.de>
+# Christian Hesse <mail@eworm.de>
+# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
+
+:global FlushMatrixQueue;
+:global NotificationFunctions;
+:global SendMatrix;
+:global SendMatrix2;
+
+# flush Matrix queue
+:set FlushMatrixQueue do={
+ :global MatrixQueue;
+
+ :global LogPrintExit2;
+
+ :local AllDone true;
+ :local QueueLen [ :len $MatrixQueue ];
+
+ :if ([ :len [ / system scheduler find where name="FlushMatrixQueue" ] ] > 0 && $QueueLen = 0) do={
+ $LogPrintExit2 warning $0 ("Flushing Matrix messages from scheduler, but queue is empty.") false;
+ }
+
+ :foreach Id,Message in=$MatrixQueue do={
+ :if ([ :typeof $Message ] = "array" ) do={
+ :do {
+ / tool fetch check-certificate=yes-without-crl output=none http-method=post \
+ ("https://" . $Message->"homeserver" . "/_matrix/client/r0/rooms/" . $Message->"room" . \
+ "/send/m.room.message?access_token=" . $Message->"accesstoken") \
+ http-data=("{ \"msgtype\": \"m.text\", \"body\": \"" . $Message->"plain" . "\"," . \
+ "\"format\": \"org.matrix.custom.html\", \"formatted_body\": \"" . \
+ $Message->"formatted" . "\" }") as-value;
+ :set ($MatrixQueue->$Id);
+ } on-error={
+ $LogPrintExit2 debug $0 ("Sending queued Matrix message failed.") false;
+ :set AllDone false;
+ }
+ }
+ }
+
+ :if ($AllDone = true && $QueueLen = [ :len $MatrixQueue ]) do={
+ / system scheduler remove [ find where name="FlushMatrixQueue" ];
+ :set MatrixQueue;
+ }
+}
+
+# send notification via Matrix - expects one array argument
+:set ($NotificationFunctions->"matrix") do={
+ :local Notification $1;
+
+ :global Identity;
+ :global MatrixAccessToken;
+ :global MatrixAccessTokenOverride;
+ :global MatrixHomeServer;
+ :global MatrixHomeServerOverride;
+ :global MatrixQueue;
+ :global MatrixRoom;
+ :global MatrixRoomOverride;
+
+ :global EitherOr;
+ :global LogPrintExit2;
+ :global SymbolForNotification;
+
+ :local PrepareText do={
+ :local Input [ :tostr $1 ];
+
+ :if ([ :len $Input ] = 0) do={
+ :return "";
+ }
+
+ :local Return "";
+ :local Chars {
+ "plain"={ "\\"; "\""; "\n" };
+ "format"={ "\\"; "\""; "\n"; "&"; "<"; ">" };
+ }
+ :local Subs {
+ "plain"={ "\\\\"; "\\\""; "\\n" };
+ "format"={ "\\\\"; "&quot;"; "<br/>"; "&amp;"; "&lt;"; "&gt;" };
+ }
+
+ :for I from=0 to=([ :len $Input ] - 1) do={
+ :local Char [ :pick $Input $I ];
+ :local Replace [ :find ($Chars->$2) $Char ];
+
+ :if ([ :typeof $Replace ] = "num") do={
+ :set Char ($Subs->$2->$Replace);
+ }
+ :set Return ($Return . $Char);
+ }
+
+ :return $Return;
+ }
+
+ :local AccessToken [ $EitherOr ($MatrixAccessTokenOverride->($Notification->"origin")) $MatrixAccessToken ];
+ :local HomeServer [ $EitherOr ($MatrixHomeServerOverride->($Notification->"origin")) $MatrixHomeServer ];
+ :local Room [ $EitherOr ($MatrixRoomOverride->($Notification->"origin")) $MatrixRoom ];
+
+ :if ([ :len $AccessToken ] = 0 || [ :len $HomeServer ] = 0 || [ :len $Room ] = 0) do={
+ :return false;
+ }
+
+ :local Plain [ $PrepareText ("## [" . $Identity . "] " . ($Notification->"subject") . "\n```\n" . \
+ ($Notification->"message") . "\n```") "plain" ];
+ :local Formatted ("<h2>" . [ $PrepareText ("[" . $Identity . "] " . ($Notification->"subject")) "format" ] . "</h2>" . \
+ "<pre><code>" . [ $PrepareText ($Notification->"message") "format" ] . "</code></pre>");
+ :if ([ :len ($Notification->"link") ] > 0) do={
+ :set Plain ($Plain . "\\n" . [ $SymbolForNotification "link" ] . \
+ [ $PrepareText ("[" . $Notification->"link" . "](" . $Notification->"link" . ")") "plain" ]);
+ :set Formatted ($Formatted . "<br/>" . [ $SymbolForNotification "link" ] . \
+ "<a href=\\\"" . [ $PrepareText ($Notification->"link") "format" ] . "\\\">" . \
+ [ $PrepareText ($Notification->"link") "format" ] . "</a>");
+ }
+
+ :do {
+ / tool fetch check-certificate=yes-without-crl output=none http-method=post \
+ ("https://" . $HomeServer . "/_matrix/client/r0/rooms/" . $Room . \
+ "/send/m.room.message?access_token=" . $AccessToken) \
+ http-data=("{ \"msgtype\": \"m.text\", \"body\": \"" . $Plain . "\"," . \
+ "\"format\": \"org.matrix.custom.html\", \"formatted_body\": \"" . \
+ $Formatted . "\" }") as-value;
+ } on-error={
+ $LogPrintExit2 info $0 ("Failed sending Matrix notification! Queuing...") false;
+
+ :if ([ :typeof $MatrixQueue ] = "nothing") do={
+ :set MatrixQueue [ :toarray "" ];
+ }
+ :local Text ([ $SymbolForNotification "alarm-clock" ] . \
+ "This message was queued since " . [ / system clock get date ] . \
+ " " . [ / system clock get time ] . " and may be obsolete.");
+ :set Plain ($Plain . "\\n" . $Text);
+ :set Formatted ($Formatted . "<br/>" . $Text);
+ :set ($MatrixQueue->[ :len $MatrixQueue ]) { room=$Room; \
+ accesstoken=$AccessToken; homeserver=$HomeServer; \
+ plain=$Plain; formatted=$Formatted };
+ :if ([ :len [ / system scheduler find where name="FlushMatrixQueue" ] ] = 0) do={
+ / system scheduler add name=FlushMatrixQueue interval=1m start-time=startup \
+ on-event=":global FlushMatrixQueue; \$FlushMatrixQueue;";
+ }
+ }
+}
+
+# send notification via Matrix - expects at lease two string arguments
+:set SendMatrix do={
+ :global SendMatrix2;
+
+ $SendMatrix2 ({ subject=$1; message=$2; link=$3 });
+}
+
+# send notification via Matrix - expects one array argument
+:set SendMatrix2 do={
+ :local Notification $1;
+
+ :global NotificationFunctions;
+
+ ($NotificationFunctions->"matrix") ("\$NotificationFunctions->\"matrix\"") $Notification;
+}