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authorGravatar Christian Hesse <mail@eworm.de>2023-03-07 10:57:42 +0100
committerGravatar Christian Hesse <mail@eworm.de>2023-03-07 22:26:01 +0100
commita832fd04ef085ef7e85000843a8e8fa59ce36dfb (patch)
treec977ca4b5167d8aa07dbe6bfe15fca8f467db0d9 /telegram-chat.rsc
parent1e6e0646e256c4acb9f8470853d0699286af010e (diff)
rename scripts and add file extension ".rsc"change-95
No functional change for the user... The migration is done automatically.
Diffstat (limited to 'telegram-chat.rsc')
-rw-r--r--telegram-chat.rsc150
1 files changed, 150 insertions, 0 deletions
diff --git a/telegram-chat.rsc b/telegram-chat.rsc
new file mode 100644
index 0000000..ba2a3ff
--- /dev/null
+++ b/telegram-chat.rsc
@@ -0,0 +1,150 @@
+#!rsc by RouterOS
+# RouterOS script: telegram-chat
+# Copyright (c) 2023 Christian Hesse <mail@eworm.de>
+# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
+#
+# use Telegram to chat with your Router and send commands
+# https://git.eworm.de/cgit/routeros-scripts/about/doc/telegram-chat.md
+
+:local 0 "telegram-chat";
+:global GlobalFunctionsReady;
+:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
+
+:global Identity;
+:global TelegramChatActive;
+:global TelegramChatGroups;
+:global TelegramChatId;
+:global TelegramChatIdsTrusted;
+:global TelegramChatOffset;
+:global TelegramChatRunTime;
+:global TelegramTokenId;
+
+:global CertificateAvailable;
+:global EitherOr;
+:global EscapeForRegEx;
+:global GetRandom20CharAlNum;
+:global IfThenElse;
+:global LogPrintExit2;
+:global MkDir;
+:global ScriptLock;
+:global SendTelegram2;
+:global SymbolForNotification;
+:global ValidateSyntax;
+:global WaitForFile;
+:global WaitFullyConnected;
+
+$ScriptLock $0;
+
+$WaitFullyConnected;
+
+:if ([ :typeof $TelegramChatOffset ] != "array") do={
+ :set TelegramChatOffset { 0; 0; 0 };
+}
+
+:if ([ $CertificateAvailable "Go Daddy Secure Certificate Authority - G2" ] = false) do={
+ $LogPrintExit2 warning $0 ("Downloading required certificate failed.") true;
+}
+
+:local JsonGetKey do={
+ :local Array [ :toarray $1 ];
+ :local Key [ :tostr $2 ];
+
+ :for I from=0 to=([ :len $Array ] - 1) do={
+ :if (($Array->$I) = $Key) do={
+ :if ($Array->($I + 1) = ":") do={
+ :return ($Array->($I + 2));
+ }
+ :return [ :pick ($Array->($I + 1)) 1 [ :len ($Array->($I + 1)) ] ];
+ }
+ }
+
+ :return false;
+}
+
+:local Data;
+:do {
+ :set Data ([ /tool/fetch check-certificate=yes-without-crl output=user \
+ ("https://api.telegram.org/bot" . $TelegramTokenId . "/getUpdates?offset=" . \
+ $TelegramChatOffset->0 . "&allowed_updates=%5B%22message%22%5D") as-value ]->"data");
+ :set Data [ :pick $Data ([ :find $Data "[" ] + 1) ([ :len $Data ] - 2) ];
+} on-error={
+ $LogPrintExit2 debug $0 ("Failed getting updates from Telegram.") true;
+}
+
+:local UpdateID 0;
+:local Uptime [ /system/resource/get uptime ];
+:foreach Update in=[ :toarray $Data ] do={
+ :set UpdateID [ $JsonGetKey $Update "update_id" ];
+ :if (($TelegramChatOffset->0 > 0 || $Uptime > 5m) && $UpdateID >= $TelegramChatOffset->2) do={
+ :local Trusted false;
+ :local Message [ $JsonGetKey $Update "message" ];
+ :local MessageId [ $JsonGetKey $Message "message_id" ];
+ :local From [ $JsonGetKey $Message "from" ];
+ :local FromID [ $JsonGetKey $From "id" ];
+ :local FromUserName [ $JsonGetKey $From "username" ];
+ :local ChatID [ $JsonGetKey [ $JsonGetKey $Message "chat" ] "id" ];
+ :local Text [ $JsonGetKey $Message "text" ];
+ :foreach IdsTrusted in=($TelegramChatId, $TelegramChatIdsTrusted) do={
+ :if ($FromID = $IdsTrusted || $FromUserName = $IdsTrusted) do={
+ :set Trusted true;
+ }
+ }
+
+ :if ($Trusted = true) do={
+ :if ([ :pick $Text 0 1 ] = "!") do={
+ :if ($Text ~ ("^! *(" . [ $EscapeForRegEx $Identity ] . "|@" . $TelegramChatGroups . ")\$")) do={
+ :set TelegramChatActive true;
+ } else={
+ :set TelegramChatActive false;
+ }
+ $LogPrintExit2 info $0 ("Now " . [ $IfThenElse $TelegramChatActive "active" "passive" ] . \
+ " from update " . $UpdateID . "!") false;
+ } else={
+ :if ($TelegramChatActive = true && $Text != false && [ :len $Text ] > 0) do={
+ :if ([ $ValidateSyntax $Text ] = true) do={
+ :local State "";
+ :local File ("tmpfs/telegram-chat/" . [ $GetRandom20CharAlNum 6 ]);
+ $MkDir "tmpfs/telegram-chat";
+ $LogPrintExit2 info $0 ("Running command from update " . $UpdateID . ": " . $Text) false;
+ :exec script=(":do {\n" . $Text . "\n} on-error={ :execute script=\"/\" file=" . $File . ".failed };" . \
+ ":execute script=\"/\" file=" . $File . ".done") file=$File;
+ :if ([ $WaitForFile ($File . ".done.txt") [ $EitherOr $TelegramChatRunTime 20s ] ] = false) do={
+ :set State "The command did not finish, still running in background.\n\n";
+ }
+ :if ([ :len [ /file/find where name=($File . ".failed.txt") ] ] > 0) do={
+ :set State "The command failed with an error!\n\n";
+ }
+ :local Content [ /file/get ($File . ".txt") contents ];
+ $SendTelegram2 ({ origin=$0; chatid=$ChatID; silent=false; replyto=$MessageId; \
+ subject=([ $SymbolForNotification "speech-balloon" ] . "Telegram Chat"); \
+ message=("Command:\n" . $Text . "\n\n" . $State . [ $IfThenElse ([ :len $Content ] > 0) \
+ ("Output:\n" . $Content) [ $IfThenElse ([ /file/get ($File . ".txt") size ] > 0) \
+ ("Output exceeds file read size.") ("No output.") ] ]) });
+ /file/remove "tmpfs/telegram-chat";
+ } else={
+ $LogPrintExit2 info $0 ("The command from update " . $UpdateID . " failed syntax validation!") false;
+ $SendTelegram2 ({ origin=$0; chatid=$ChatID; silent=false; replyto=$MessageId; \
+ subject=([ $SymbolForNotification "speech-balloon" ] . "Telegram Chat"); \
+ message=("Command:\n" . $Text . "\n\nThe command failed syntax validation!") });
+ }
+ }
+ }
+ } else={
+ :local Message ("Received a message from untrusted contact " . \
+ [ $IfThenElse ($FromUserName = false) "without username" ("'" . $FromUserName . "'") ] . \
+ " (ID " . $FromID . ") in update " . $UpdateID . "!");
+ :if ($Text ~ ("^! *" . [ $EscapeForRegEx $Identity ] . "\$")) do={
+ $LogPrintExit2 warning $0 $Message false;
+ $SendTelegram2 ({ origin=$0; chatid=$ChatID; silent=false; replyto=$MessageId; \
+ subject=([ $SymbolForNotification "speech-balloon" ] . "Telegram Chat"); \
+ message=("You are not trusted.") });
+ } else={
+ $LogPrintExit2 info $0 $Message false;
+ }
+ }
+ } else={
+ $LogPrintExit2 debug $0 ("Already handled update " . $UpdateID . ".") false;
+ }
+}
+:set TelegramChatOffset ([ :pick $TelegramChatOffset 1 3 ], \
+ [ $IfThenElse ($UpdateID >= $TelegramChatOffset->2) ($UpdateID + 1) ($TelegramChatOffset->2) ]);