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

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2013-10-30 21:38:23 +01:00
/**
* Copyright 2013 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 PushBullet = require('pushbullet');
var util = require('util');
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// Either create pushkey.js in dir ABOVE node-red, it just needs to be like
// module.exports = {pushbullet:'My-API-KEY', deviceid:'12345'}
// or set them per node in the edit dialog
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try {
var pushkeys = RED.settings.pushbullet || require(process.env.NODE_RED_HOME+"/../pushkey.js");
}
catch(err) {
//util.log("[57-pushbullet.js] Warning: Failed to load global PushBullet credentials");
}
function PushbulletNode(n) {
RED.nodes.createNode(this,n);
this.title = n.title;
this.chan = n.chan;
var credentials = RED.nodes.getCredentials(n.id);
if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; }
else {
if (pushkeys) { this.pushkey = pushkeys.pushbullet; }
else { this.error("No Pushbullet API key set"); }
}
if ((credentials) && (credentials.hasOwnProperty("deviceid"))) { this.deviceid = credentials.deviceid; }
else {
if (pushkeys) { this.deviceid = pushkeys.deviceid; }
else { this.warn("No deviceid set"); }
}
this.pusher = new PushBullet(this.pushkey);
var node = this;
this.on("input",function(msg) {
var titl = node.title || msg.topic || "Node-RED";
var dev = node.deviceid || msg.deviceid;
var channel = node.chan || msg.chan;
if (channel != undefined) {
dev = { channel_tag : channel };
} else {
if (!isNaN(dev)) { dev = Number(dev); }
}
if (typeof(msg.payload) === 'object') {
msg.payload = JSON.stringify(msg.payload);
}
else { msg.payload = msg.payload.toString(); }
if (node.pushkey && dev) {
try {
node.pusher.note(dev, titl, msg.payload, function(err, response) {
if (err) { node.error("Pushbullet error"); }
});
}
catch (err) {
node.error(err);
}
}
else {
node.warn("Pushbullet credentials not set/found. See node info.");
}
});
}
RED.nodes.registerType("pushbullet",PushbulletNode);
var querystring = require('querystring');
RED.httpAdmin.get('/pushbullet/:id',function(req,res) {
var credentials = RED.nodes.getCredentials(req.params.id);
if (credentials) {
res.send(JSON.stringify({deviceid:credentials.deviceid,hasPassword:(credentials.pushkey&&credentials.pushkey!=="")}));
}
else if (pushkeys && pushkeys.pushbullet && pushkeys.deviceid) {
RED.nodes.addCredentials(req.params.id,{pushkey:pushkeys.pushbullet,deviceid:pushkeys.deviceid,global:true});
credentials = RED.nodes.getCredentials(req.params.id);
res.send(JSON.stringify({deviceid:credentials.deviceid,global:credentials.global,hasPassword:(credentials.pushkey&&credentials.pushkey!=="")}));
}
else {
res.send(JSON.stringify({}));
}
});
RED.httpAdmin.delete('/pushbullet/:id',function(req,res) {
RED.nodes.deleteCredentials(req.params.id);
res.send(200);
});
RED.httpAdmin.post('/pushbullet/: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.deviceid === null || newCreds.deviceid === "") {
delete credentials.deviceid;
} else {
credentials.deviceid = newCreds.deviceid;
}
if (newCreds.pushkey === "") {
delete credentials.pushkey;
} else {
credentials.pushkey = newCreds.pushkey||credentials.pushkey;
}
RED.nodes.addCredentials(req.params.id,credentials);
res.send(200);
});
});
}