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node-red-nodes/social/pushover/57-pushover.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 PushOver = require('pushover-notifications');
var util = require('util');
function PushoverNode(n) {
RED.nodes.createNode(this,n);
this.title = n.title;
this.priority = n.priority;
var credentials = RED.nodes.getCredentials(n.id);
if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; }
else { this.error("No Pushover api token set"); }
if ((credentials) && (credentials.hasOwnProperty("deviceid"))) { this.deviceid = credentials.deviceid; }
else { this.error("No Pushover user key set"); }
var pusher = false;
if (this.pushkey && this.deviceid) {
pusher = new PushOver({
user: this.deviceid,
token: this.pushkey,
onerror: function(err) {
util.log('[57-pushover.js] Error: '+err);
}
});
}
var node = this;
this.on("input",function(msg) {
var titl = this.title || msg.topic || "Node-RED";
var pri = this.priority || msg.priority || 0;
if (isNaN(pri)) {pri=0;}
if (pri > 2) {pri = 2;}
if (pri < -1) {pri = -1;}
if (typeof(msg.payload) === 'object') {
msg.payload = JSON.stringify(msg.payload);
}
else { msg.payload = msg.payload.toString(); }
if (pusher) {
var pushmsg = {
message: msg.payload,
title: titl,
priority: pri,
retry: 30,
expire: 600
};
//console.log("Sending",pushmsg);
pusher.send( pushmsg, function(err, response) {
if (err) { node.error("Pushover Error: "+err); }
//console.log(response);
});
}
else {
node.warn("Pushover credentials not set.");
}
});
}
RED.nodes.registerType("pushover",PushoverNode);
var querystring = require('querystring');
RED.httpAdmin.get('/pushover/: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 {
res.send(JSON.stringify({}));
}
});
RED.httpAdmin.delete('/pushover/:id',function(req,res) {
RED.nodes.deleteCredentials(req.params.id);
res.send(200);
});
RED.httpAdmin.post('/pushover/: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);
});
});
}