mirror of
https://github.com/node-red/node-red-nodes.git
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112 lines
3.5 KiB
JavaScript
112 lines
3.5 KiB
JavaScript
/**
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* Copyright 2013 Henrik Olsson henols@gmail.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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//The Server Definition - this opens (and closes) the connection
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function EmoncmsServerNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.name = n.name;
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var credentials = RED.nodes.getCredentials(n.id);
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if (credentials) {
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this.apikey = credentials.apikey;
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}
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}
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RED.nodes.registerType("emoncms-server",EmoncmsServerNode);
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var querystring = require('querystring');
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RED.httpAdmin.get('/emoncms-server/:id',function(req,res) {
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var credentials = RED.nodes.getCredentials(req.params.id);
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if (credentials) {
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res.send(JSON.stringify({apikey:credentials.apikey}));
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} else {
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res.send(JSON.stringify({}));
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}
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});
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RED.httpAdmin.delete('/emoncms-server/:id',function(req,res) {
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RED.nodes.deleteCredentials(req.params.id);
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res.send(200);
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});
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RED.httpAdmin.post('/emoncms-server/:id',function(req,res) {
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var body = "";
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req.on('data', function(chunk) {
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body+=chunk;
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});
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req.on('end', function(){
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var newCreds = querystring.parse(body);
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var credentials = RED.nodes.getCredentials(req.params.id)||{};
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if (newCreds.apikey == null || newCreds.apikey == "") {
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delete credentials.apikey;
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} else {
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credentials.apikey = newCreds.apikey;
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}
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RED.nodes.addCredentials(req.params.id,credentials);
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res.send(200);
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});
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});
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function Emoncms(n) {
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RED.nodes.createNode(this,n);
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this.emonServer = n.emonServer;
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var sc = RED.nodes.getNode(this.emonServer);
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this.baseurl = sc.server;
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this.apikey = sc.apikey;
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this.topic = n.topic ||"";
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this.nodegroup = n.nodegroup || "";
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var node = this;
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if (this.baseurl.substring(0,5) === "https") { var http = require("https"); }
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else { var http = require("http"); }
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this.on("input", function(msg) {
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var topic = this.topic || msg.topic;
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var nodegroup = this.nodegroup || msg.nodegroup;
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this.url = this.baseurl + '/input/post.json?json={' + topic + ':' + msg.payload+'}&apikey='+this.apikey;
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if(nodegroup != ""){
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this.url += '&node='+nodegroup;
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}
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node.log("[emoncms] "+this.url);
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http.get(this.url, function(res) {
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node.log("Http response: " + res.statusCode);
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msg.rc = res.statusCode;
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msg.payload = "";
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if ((msg.rc != 200) && (msg.rc != 404)) {
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node.send(msg);
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}
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res.setEncoding('utf8');
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res.on('data', function(chunk) {
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msg.payload += chunk;
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});
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res.on('end', function() {
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node.send(msg);
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});
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}).on('error', function(e) {
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// node.error(e);
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msg.rc = 503;
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msg.payload = e;
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node.send(msg);
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});
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});
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}
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RED.nodes.registerType("emoncms",Emoncms);
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