node-red/nodes/core/deprecated/90-httpget.js

/**
 * 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(process.env.NODE_RED_HOME+"/red/red");

function HttpGet(n) {
    RED.nodes.createNode(this,n);
    this.warn("This node has been deprecated and will be deleted in a future release. Please update your flow to use the 'http request' node.");
    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);