openhim-core/lib/contact.js

The OpenHIM core application that provides logging and routing of http requests

var config, contactUser, escapeSpaces, logger, nodemailer, request, sendSMS, sendSMS_Clickatell;

logger = require("winston");

nodemailer = require("nodemailer");

request = require("request");

config = require("./config/config");

config.email = config.get('email');

config.nodemailer = config.get('nodemailer');

config.smsGateway = config.get('smsGateway');

exports.sendEmail = function(contactAddress, title, messagePlain, messageHTML, callback) {
  var fromAddress, nodemailerConfig, smtpTransport;
  nodemailerConfig = null;
  fromAddress = null;
  if (config.email) {
    nodemailerConfig = config.email.nodemailer;
    fromAddress = config.email.fromAddress;
  } else if (config.nodemailer) {
    nodemailerConfig = config.nodemailer;
    fromAddress = nodemailerConfig.auth.user;
  } else {
    return callback(new Error("No email config found"));
  }
  logger.info(("Sending email to '" + contactAddress + "' using service ") + (nodemailerConfig.service + " - " + fromAddress));
  smtpTransport = nodemailer.createTransport(nodemailerConfig);
  return smtpTransport.sendMail({
    from: fromAddress,
    to: contactAddress,
    subject: title,
    text: messagePlain,
    html: messageHTML
  }, function(error, response) {
    return callback(error != null ? error : null);
  });
};

sendSMS = function(contactAddress, message, callback) {
  if (config.smsGateway.provider === 'clickatell') {
    return sendSMS_Clickatell(contactAddress, message, callback);
  } else {
    return callback("Unknown SMS gateway provider '" + config.smsGateway.provider + "'");
  }
};

sendSMS_Clickatell = function(contactAddress, message, callback) {
  logger.info("Sending SMS to '" + contactAddress + "' using Clickatell");
  return request(("http://api.clickatell.com/http/sendmsg?api_id=" + config.smsGateway.config.apiID + "&") + ("user=" + config.smsGateway.config.user + "&password=" + config.smsGateway.config.pass + "&") + ("to=" + contactAddress + "&text=" + (escapeSpaces(message))), function(err, response, body) {
    if (body != null) {
      logger.info("Received response from Clickatell: " + body);
    }
    return callback(err != null ? err : null);
  });
};

escapeSpaces = function(str) {
  return str.replace(' ', '+');
};


/*
 * Send a message to a user using a specific method. Current supported methods are 'email' and 'sms'.
 * contactAddress should contain an email address if the method is 'email' and an MSISDN if the method is 'sms'.
 *
 * The contents of the message should be passed via messagePlain.
 * messageHTML is optional and is only used by the 'email' method.
 */

exports.contactUser = contactUser = function(method, contactAddress, title, messagePlain, messageHTML, callback) {
  if (method === 'email') {
    return exports.sendEmail(contactAddress, title, messagePlain, messageHTML, callback);
  } else if (method === 'sms') {
    return sendSMS(contactAddress, messagePlain, callback);
  } else {
    return callback("Unknown contact method '" + method + "'");
  }
};

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