node-red/nodes/io/90-httpget.js

53 lines
1.5 KiB
JavaScript

/**
* 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.
**/
var RED = require("../../red/red");
function HttpGet(n) {
RED.nodes.createNode(this,n);
this.baseurl = n.baseurl || "";
this.append = n.append || "";
var node = this;
if (this.baseurl.substring(0,5) === "https") { var http = require("https"); }
else { var http = require("http"); }
this.on("input", function(msg) {
msg._payload = msg.payload;
//util.log("[httpget] "+this.baseurl+msg.payload+this.append);
http.get(this.baseurl+msg.payload+this.append, function(res) {
node.log("Http response: " + res.statusCode);
msg.rc = res.statusCode;
msg.payload = "";
if ((msg.rc != 200) && (msg.rc != 404)) {
node.send(msg);
}
res.setEncoding('utf8');
res.on('data', function(chunk) {
msg.payload += chunk;
});
res.on('end', function() {
node.send(msg);
});
}).on('error', function(e) {
//node.error(e);
msg.rc = 503;
msg.payload = e;
node.send(msg);
});
});
}
RED.nodes.registerType("httpget",HttpGet);