node-red-nodes/social/twilio/56-twilio.js

/**
 * Copyright 2013 Andrew D Lindsay @AndrewDLindsay
 * http://blog.thiseldo.co.uk
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

var RED = require(process.env.NODE_RED_HOME+"/red/red");
var util = require('util');

// Either add a line like this to settings.js
//   twilio: { account:'My-ACCOUNT-SID', authtoken:'TWILIO-TOKEN',from:'FROM-NUMBER' },
// Or as a twiliokey.js file in the directory ABOVE node-red.
//   module.exports = { account:'My-ACCOUNT-SID', authtoken:'TWILIO-TOKEN',from:'FROM-NUMBER' }

try {
    var twiliokey = RED.settings.twilio || require(process.env.NODE_RED_HOME+"/../twiliokey.js");
}
catch(err) {
    util.log("[56-twilio.js] Error: Failed to load Twilio credentials");
}

if (twiliokey) {
    var twilioClient = require('twilio')(twiliokey.account, twiliokey.authtoken);
    var fromNumber = twiliokey.from;
}

function TwilioOutNode(n) {
    RED.nodes.createNode(this,n);
    this.number = n.number;
    var node = this;
    this.on("input",function(msg) {
        if (typeof(msg.payload) == 'object') {
            msg.payload = JSON.stringify(msg.payload);
        }
        if (twiliokey) {
            try {
                // Send SMS
                var tonum = node.number || msg.topic;
                twilioClient.sendMessage( {to: tonum, from: fromNumber, body: msg.payload}, function(err, response) {
                    if (err) node.error(err);
                    //console.log(response);
                });
            }
            catch (err) {
                node.error(err);
            }
        }
        else {
            node.warn("Twilio credentials not set/found. See node info.");
        }
    });
}
RED.nodes.registerType("twilio out",TwilioOutNode);