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node-red-nodes/social/prowl/57-prowl.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 Prowl = require('node-prowl');
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// Either add a line like this to settings.js
// prowl: {prowlkey:'My-API-KEY'},
// or create pushkey.js in dir ABOVE node-red, it just needs to be like
// module.exports = {prowlkey:'My-API-KEY'}
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try {
var pushkeys = RED.settings.prowl || require(process.env.NODE_RED_HOME+"/../pushkey.js");
}
catch(err) { }
function ProwlNode(n) {
RED.nodes.createNode(this,n);
this.title = n.title;
this.priority = parseInt(n.priority);
if (this.priority > 2) { this.priority = 2; }
if (this.priority < -2) { this.priority = -2; }
var credentials = RED.nodes.getCredentials(n.id);
if ((credentials) && (credentials.hasOwnProperty("pushkey"))) { this.pushkey = credentials.pushkey; }
else {
if (pushkeys) { this.pushkey = pushkeys.prowlkey; }
else { this.error("No Prowl credentials set."); }
}
this.prowl = false;
if (this.pushkey) { this.prowl = new Prowl(this.pushkey); }
var node = this;
this.on("input",function(msg) {
var titl = this.title||msg.topic||"Node-RED";
var pri = msg.priority||this.priority;
if (typeof(msg.payload) === 'object') {
msg.payload = JSON.stringify(msg.payload);
}
else { msg.payload = msg.payload.toString(); }
if (node.pushkey) {
try {
node.prowl.push(msg.payload, titl, { priority: pri }, function(err, remaining) {
if (err) { node.error(err); }
node.log( remaining + ' calls to Prowl api during current hour.' );
});
}
catch (err) {
node.error(err);
}
}
else {
node.warn("Prowl credentials not set.");
}
});
}
RED.nodes.registerType("prowl",ProwlNode);
var querystring = require('querystring');
RED.httpAdmin.get('/prowl/:id',function(req,res) {
var credentials = RED.nodes.getCredentials(req.params.id);
if (credentials) {
res.send(JSON.stringify({hasPassword:(credentials.pushkey&&credentials.pushkey!=="")}));
}
else if (pushkeys && pushkeys.prowlkey) {
RED.nodes.addCredentials(req.params.id,{pushkey:pushkeys.prowlkey,global:true});
credentials = RED.nodes.getCredentials(req.params.id);
res.send(JSON.stringify({hasPassword:(credentials.pushkey&&credentials.pushkey!==""),global:credentials.global}));
}
else {
res.send(JSON.stringify({}));
}
});
RED.httpAdmin.delete('/prowl/:id',function(req,res) {
RED.nodes.deleteCredentials(req.params.id);
res.send(200);
});
RED.httpAdmin.post('/prowl/: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);
});
});
}