diff options
author | Christian Hesse <mail@eworm.de> | 2023-03-07 10:57:42 +0100 |
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committer | Christian Hesse <mail@eworm.de> | 2023-03-07 22:26:01 +0100 |
commit | a832fd04ef085ef7e85000843a8e8fa59ce36dfb (patch) | |
tree | c977ca4b5167d8aa07dbe6bfe15fca8f467db0d9 /mod/notification-telegram.rsc | |
parent | 1e6e0646e256c4acb9f8470853d0699286af010e (diff) |
rename scripts and add file extension ".rsc"change-95
No functional change for the user... The migration is done
automatically.
Diffstat (limited to 'mod/notification-telegram.rsc')
-rw-r--r-- | mod/notification-telegram.rsc | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/mod/notification-telegram.rsc b/mod/notification-telegram.rsc new file mode 100644 index 0000000..c90e3f0 --- /dev/null +++ b/mod/notification-telegram.rsc @@ -0,0 +1,176 @@ +#!rsc by RouterOS +# RouterOS script: mod/notification-telegram +# Copyright (c) 2013-2023 Christian Hesse <mail@eworm.de> +# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md + +:global FlushTelegramQueue; +:global NotificationFunctions; +:global SendTelegram; +:global SendTelegram2; + +# flush telegram queue +:set FlushTelegramQueue do={ + :global TelegramQueue; + + :global IsFullyConnected; + :global LogPrintExit2; + + :if ([ $IsFullyConnected ] = false) do={ + $LogPrintExit2 debug $0 ("System is not fully connected, not flushing.") false; + :return false; + } + + :local AllDone true; + :local QueueLen [ :len $TelegramQueue ]; + + :if ([ :len [ /system/scheduler/find where name=$0 ] ] > 0 && $QueueLen = 0) do={ + $LogPrintExit2 warning $0 ("Flushing Telegram messages from scheduler, but queue is empty.") false; + } + + :foreach Id,Message in=$TelegramQueue do={ + :if ([ :typeof $Message ] = "array" ) do={ + :do { + /tool/fetch check-certificate=yes-without-crl output=none http-method=post \ + ("https://api.telegram.org/bot" . ($Message->"tokenid") . "/sendMessage") \ + http-data=("chat_id=" . ($Message->"chatid") . \ + "&disable_notification=" . ($Message->"silent") . \ + "&reply_to_message_id=" . ($Notification->"replyto") . \ + "&disable_web_page_preview=true&parse_mode=" . ($Message->"parsemode") . \ + "&text=" . ($Message->"text")) as-value; + :set ($TelegramQueue->$Id); + } on-error={ + $LogPrintExit2 debug $0 ("Sending queued Telegram message failed.") false; + :set AllDone false; + } + } + } + + :if ($AllDone = true && $QueueLen = [ :len $TelegramQueue ]) do={ + /system/scheduler/remove [ find where name=$0 ]; + :set TelegramQueue; + } +} + +# send notification via telegram - expects one array argument +:set ($NotificationFunctions->"telegram") do={ + :local Notification $1; + + :global Identity; + :global IdentityExtra; + :global TelegramChatId; + :global TelegramChatIdOverride; + :global TelegramFixedWidthFont; + :global TelegramQueue; + :global TelegramTokenId; + :global TelegramTokenIdOverride; + + :global CertificateAvailable; + :global CharacterReplace; + :global EitherOr; + :global IfThenElse; + :global LogPrintExit2; + :global SymbolForNotification; + :global UrlEncode; + + :local EscapeMD do={ + :global TelegramFixedWidthFont; + + :global CharacterReplace; + :global IfThenElse; + + :if ($TelegramFixedWidthFont != true) do={ + :return ($1 . [ $IfThenElse ($2 = "body") ("\n") "" ]); + } + + :local Return $1; + :local Chars { + "body"={ "\\"; "`" }; + "plain"={ "_"; "*"; "["; "]"; "("; ")"; "~"; "`"; ">"; + "#"; "+"; "-"; "="; "|"; "{"; "}"; "."; "!" }; + } + :foreach Char in=($Chars->$2) do={ + :set Return [ $CharacterReplace $Return $Char ("\\" . $Char) ]; + } + + :if ($2 = "body") do={ + :return ("```\n" . $Return . "\n```"); + } + + :return $Return; + } + + :local ChatId [ $EitherOr ($Notification->"chatid") \ + [ $EitherOr ($TelegramChatIdOverride->($Notification->"origin")) $TelegramChatId ] ]; + :local TokenId [ $EitherOr ($TelegramTokenIdOverride->($Notification->"origin")) $TelegramTokenId ]; + + :if ([ :len $TokenId ] = 0 || [ :len $ChatId ] = 0) do={ + :return false; + } + + :local Truncated false; + :local Text ("*__" . [ $EscapeMD ("[" . $IdentityExtra . $Identity . "] " . \ + ($Notification->"subject")) "plain" ] . "__*\n\n"); + :local LenSubject [ :len $Text ]; + :local LenMessage [ :len ($Notification->"message") ]; + :local LenLink [ :len ($Notification->"link") ]; + :local LenSum ($LenSubject + $LenMessage + $LenLink); + :if ($LenSum > 3968) do={ + :set Text ($Text . [ $EscapeMD ([ :pick ($Notification->"message") 0 (3840 - $LenSubject - $LenLink) ] . "...") "body" ]); + :set Truncated true; + } else={ + :set Text ($Text . [ $EscapeMD ($Notification->"message") "body" ]); + } + :if ($LenLink > 0) do={ + :set Text ($Text . "\n" . [ $SymbolForNotification "link" ] . [ $EscapeMD ($Notification->"link") "plain" ]); + } + :if ($Truncated = true) do={ + :set Text ($Text . "\n" . [ $SymbolForNotification "scissors" ] . \ + [ $EscapeMD ("The message was too long and has been truncated, cut off " . \ + (($LenSum - [ :len $Text ]) * 100 / $LenSum) . "%!") "plain" ]); + } + :set Text [ $UrlEncode $Text ]; + :local ParseMode [ $IfThenElse ($TelegramFixedWidthFont = true) "MarkdownV2" "" ]; + + :do { + :if ([ $CertificateAvailable "Go Daddy Secure Certificate Authority - G2" ] = false) do={ + $LogPrintExit2 warning $0 ("Downloading required certificate failed.") true; + } + /tool/fetch check-certificate=yes-without-crl output=none http-method=post \ + ("https://api.telegram.org/bot" . $TokenId . "/sendMessage") \ + http-data=("chat_id=" . $ChatId . "&disable_notification=" . ($Notification->"silent") . \ + "&reply_to_message_id=" . ($Notification->"replyto") . \ + "&disable_web_page_preview=true&parse_mode=" . $ParseMode . "&text=" . $Text) as-value; + } on-error={ + $LogPrintExit2 info $0 ("Failed sending telegram notification! Queuing...") false; + + :if ([ :typeof $TelegramQueue ] = "nothing") do={ + :set TelegramQueue ({}); + } + :set Text ($Text . [ $UrlEncode ("\n" . [ $SymbolForNotification "alarm-clock" ] . \ + [ $EscapeMD ("This message was queued since " . [ /system/clock/get date ] . \ + " " . [ /system/clock/get time ] . " and may be obsolete.") "plain" ]) ]); + :set ($TelegramQueue->[ :len $TelegramQueue ]) { chatid=$ChatId; tokenid=$TokenId; + parsemode=$ParseMode; text=$Text; silent=($Notification->"silent"); + replyto=($Notification->"replyto") }; + :if ([ :len [ /system/scheduler/find where name="\$FlushTelegramQueue" ] ] = 0) do={ + /system/scheduler/add name="\$FlushTelegramQueue" interval=1m start-time=startup \ + on-event=(":global FlushTelegramQueue; \$FlushTelegramQueue;"); + } + } +} + +# send notification via telegram - expects at least two string arguments +:set SendTelegram do={ + :global SendTelegram2; + + $SendTelegram2 ({ subject=$1; message=$2; link=$3; silent=$4 }); +} + +# send notification via telegram - expects one array argument +:set SendTelegram2 do={ + :local Notification $1; + + :global NotificationFunctions; + + ($NotificationFunctions->"telegram") ("\$NotificationFunctions->\"telegram\"") $Notification; +} |