routeros-sms-to-slack-forwarder.rsc

# RouterOS script to forward all incoming sms messages to Slack
# Run this script as a scheduled task e.g. every 10 minutes
# Author: Dominik Hadl
# Date: 2024-12-01
# Version: 1.0
# Platform: RouterOS 7.15.3 (Mikrotik Chateau LTE6)

# setting variables
:local slackHookUrl "REPLACE_YOUR_SLACK_HOOK_URL";
:local cHeader "Content-Type: application/json";

:log info "Forwarding all received SMS to Slack";

:foreach sms in [/tool sms inbox find] do={
  # retrieve the sender, message body and timestamp from the $inboxData array
  # as the sms inbox messages-array start with index "0" we need to substract 1 from the index value
  :local sender [/tool sms inbox get $sms value-name=phone]
  :local timestamp [/tool sms inbox get $sms value-name=timestamp]
  :local message [/tool sms inbox get $sms value-name=message]

  :do {
    :local notification ">*$timestamp* from *$sender*\\n>$message";
    :local pload "{\"text\": \"$notification\"}";
    :log info "Payload to Slack: $pload";
  
    # send the message to the slack channel
    /tool fetch http-method=post http-header-field=$cHeader http-data=$pload url=$slackHookUrl;

    # Remove the message if it was sent succesfully
    /tool sms inbox remove $sms;
  } on-error={ 
    :log error "Forwarding SMS ($index) to Slack failed"

    # send a message to slack that the SMS could not be sent
    :local errortext "{\"text\":\"Failed to forward SMS from Mikrotik to Slack.\"}";
    /tool fetch http-method=post http-header-field=$cHeader http-data=errortext url=$slackHookUrl;
  } 
}

:log info "Finished forwarding SMS to Slack."