mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
123 lines
3.6 KiB
JavaScript
123 lines
3.6 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");
|
|
var util = require("util");
|
|
var http = require("http");
|
|
var https = require("https");
|
|
var urllib = require("url");
|
|
var bodyParser = require("express").bodyParser();
|
|
|
|
function HTTPIn(n) {
|
|
RED.nodes.createNode(this,n);
|
|
this.url = n.url;
|
|
this.method = n.method;
|
|
|
|
var node = this;
|
|
this.callback = function(req,res) {
|
|
node.send({req:req,res:res});
|
|
}
|
|
if (this.method == "get") {
|
|
RED.app.get(this.url,this.callback);
|
|
} else if (this.method == "post") {
|
|
RED.app.post(this.url,bodyParser,this.callback);
|
|
} else if (this.method == "put") {
|
|
RED.app.put(this.url,bodyParser,this.callback);
|
|
} else if (this.method == "delete") {
|
|
RED.app.delete(this.url,this.callback);
|
|
}
|
|
|
|
this.on("close",function() {
|
|
var routes = RED.app.routes[this.method];
|
|
for (var i in routes) {
|
|
if (routes[i].path == this.url) {
|
|
routes.splice(i,1);
|
|
//break;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("http in",HTTPIn);
|
|
|
|
|
|
function HTTPOut(n) {
|
|
RED.nodes.createNode(this,n);
|
|
var node = this;
|
|
this.on("input",function(msg) {
|
|
if (msg.res) {
|
|
if (msg.headers) {
|
|
res.set(msg.headers);
|
|
}
|
|
var statusCode = msg.statusCode || 200;
|
|
msg.res.send(statusCode,msg.payload);
|
|
} else {
|
|
node.warn("No response object");
|
|
}
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("http response",HTTPOut);
|
|
|
|
function HTTPRequest(n) {
|
|
RED.nodes.createNode(this,n);
|
|
var url = n.url;
|
|
var method = n.method || "GET";
|
|
var httplib = (/^https/.test(url))?https:http;
|
|
var node = this;
|
|
this.on("input",function(msg) {
|
|
|
|
var opts = urllib.parse(msg.url||url);
|
|
opts.method = (msg.method||method).toUpperCase();
|
|
if (msg.headers) {
|
|
opts.headers = msg.headers;
|
|
}
|
|
var req = httplib.request(opts,function(res) {
|
|
res.setEncoding('utf8');
|
|
var message = {
|
|
statusCode: res.statusCode,
|
|
headers: res.headers,
|
|
payload: ""
|
|
};
|
|
res.on('data',function(chunk) {
|
|
message.payload += chunk;
|
|
});
|
|
res.on('end',function() {
|
|
node.send(message);
|
|
});
|
|
});
|
|
req.on('error',function(err) {
|
|
msg.payload = err.toString();
|
|
msg.statusCode = err.code;
|
|
node.send(msg);
|
|
});
|
|
if (msg.payload && (method == "PUSH" || method == "PUT") ) {
|
|
if (typeof msg.payload === "string" || Buffer.isBuffer(msg.payload)) {
|
|
req.write(msg.payload);
|
|
} else if (typeof msg.payload == "number") {
|
|
req.write(msg.payload+"");
|
|
} else {
|
|
req.write(JSON.stringify(msg.payload));
|
|
}
|
|
}
|
|
req.end();
|
|
|
|
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("http request",HTTPRequest);
|