Webhook SMS Diafaan for zabbix notifications

webhook-zabbix-diafaan.js

var HttpNotification = {
  username: null,
  password: null,
  to: null,
  messageType: null,
  message: null,
  url: null,

  sendMessage: function () {
    var params = {
      'username': HttpNotification.username,
      'password': HttpNotification.password,
      'to': HttpNotification.to,
      'message-type': HttpNotification.messageType,
      'message': HttpNotification.message
    };
    var queryString = Object.keys(params).map(function (key) {
      return key + '=' + encodeURIComponent(params[key]);
    }).join('&');
    var url = HttpNotification.url + queryString;

    var request = new HttpRequest();
    Zabbix.log(4, '[HTTP Notification] URL: ' + url);

    var response = request.get(url);
    Zabbix.log(4, '[HTTP Notification] HTTP code: ' + request.getStatus());

    if (request.getStatus() !== 200) {
      throw 'Failed to send message. HTTP status: ' + request.getStatus();
    }

    // Verificar se a resposta é um JSON válido
    try {
      var jsonResponse = JSON.parse(response);
      if (!jsonResponse.success) {
        throw 'API error: ' + jsonResponse.message;
      }
    } catch (error) {
      // Se não for JSON, apenas logar a resposta
      Zabbix.log(4, '[HTTP Notification] Response: ' + response);
      if (response.indexOf('Erro') !== -1) {
        throw 'API error: ' + response;
      }
    }

    return 'Message sent successfully.';
  }
};

try {
  var params = JSON.parse(value);

  // Validate and assign parameters
  if (!params.username) throw 'Username is required';
  if (!params.password) throw 'Password is required';
  if (!params.to) throw 'Recipient number is required';
  if (!params.messageType) throw 'Message type is required';

  HttpNotification.username = params.username;
  HttpNotification.password = params.password;
  HttpNotification.to = params.to;
  HttpNotification.messageType = params.messageType;
  HttpNotification.message = params.subject + '\n' + params.message;
  HttpNotification.url = params.url;

  // Send the message
  return HttpNotification.sendMessage();
}
catch (error) {
  Zabbix.log(4, '[HTTP Notification] Error: ' + error);
  throw 'Notification failed: ' + error + '.';
}