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node-red-nodes/social/nma/57-nma.js

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/**
* Copyright 2014 IBM Corp.
*
* 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.
**/
module.exports = function(RED) {
"use strict";
var nma = require('nma');
function NMANode(n) {
RED.nodes.createNode(this,n);
this.title = n.title;
var credentials = RED.nodes.getCredentials(n.id);
if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; }
else { this.error("No NMA API key set"); }
var node = this;
this.on("input",function(msg) {
var titl = this.title||msg.topic||"Node-RED";
if (typeof(msg.payload) === 'object') {
msg.payload = JSON.stringify(msg.payload);
}
else { msg.payload = msg.payload.toString(); }
if (node.pushkey) {
try {
nma(node.pushkey, "Node-RED", titl, msg.payload, 0 );
} catch (e) {
node.warn("NMA error: "+ e);
}
}
else {
node.warn("NMA credentials not set.");
}
});
}
RED.nodes.registerType("nma",NMANode);
var querystring = require('querystring');
RED.httpAdmin.get('/nma/:id',function(req,res) {
var credentials = RED.nodes.getCredentials(req.params.id);
if (credentials) {
res.send(JSON.stringify({hasPassword:(credentials.pushkey&&credentials.pushkey!=="")}));
} else {
res.send(JSON.stringify({}));
}
});
RED.httpAdmin.delete('/nma/:id',function(req,res) {
RED.nodes.deleteCredentials(req.params.id);
res.send(200);
});
RED.httpAdmin.post('/nma/:id',function(req,res) {
var body = "";
req.on('data', function(chunk) {
body+=chunk;
});
req.on('end', function(){
var newCreds = querystring.parse(body);
var credentials = RED.nodes.getCredentials(req.params.id)||{};
if (newCreds.pushkey === "") {
delete credentials.pushkey;
} else {
credentials.pushkey = newCreds.pushkey||credentials.pushkey;
}
RED.nodes.addCredentials(req.params.id,credentials);
res.send(200);
});
});
}