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Add new http request node
This commit is contained in:
Nicholas O'Leary
parent
df205aab58
commit
d332600149
@ -76,7 +76,7 @@
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outputs:1,
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icon: "white-globe.png",
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label: function() {
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return this.name||"["+this.method+"] "+this.url;
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return this.name||(this.url?("["+this.method+"] "+this.url):"http");
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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@ -85,14 +85,19 @@
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</script>
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<script type="text/x-red" data-template-name="http response">
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<div class="form-tips">The messages sent to this node must originate from an HTTP input node</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips">The messages sent to this node <b>must</b> originate from an <i>http input</i> node</div>
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</script>
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<script type="text/x-red" data-help-name="http response">
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<p>Provides an response node for http requests received from an http input node.</p>
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<p>Sends responses back to http requests received from an HTTP Input node.</p>
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<p>The response can be customised using the following message properties:</p>
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<ul>
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<li><code>payload</code> is sent as the body of the reponse</li>
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<li><code>rc</code>, if set, is used as the response code (default: 200)</li>
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<li><code>statusCode</code>, if set, is used as the response status code (default: 200)</li>
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<li><code>headers</code>, if set, should be an object containing field/value
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pairs to be added as response headers.</li>
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</ul>
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@ -102,17 +107,89 @@
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RED.nodes.registerType('http response',{
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category: 'output',
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color:"rgb(231, 231, 174)",
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defaults: {},
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defaults: {
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name: {value:""}
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},
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inputs:1,
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outputs:0,
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align: "right",
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icon: "white-globe.png",
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label: function() {
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return "http"
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return this.name||"http";
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},
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labelStyle: function() {
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return "";
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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<script type="text/x-red" data-template-name="http request">
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<div class="form-row">
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<label for="node-input-method"><i class="icon-tasks"></i> Method</label>
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<select type="text" id="node-input-method" style="width: 150px;">
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<option value="GET">GET</option>
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<option value="POST">POST</option>
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<option value="PUT">PUT</option>
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<option value="DELETE">DELETE</option>
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</select>
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</div>
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<div class="form-row">
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<label for="node-input-url"><i class="icon-tasks"></i> URL</label>
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<input type="text" id="node-input-url" placeholder="http://">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="http request">
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<p>Provides a node for making http requests.</p>
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<p>The URL and HTTP method can be configured in the node, but also
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overridden by the incoming message:
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<ul>
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<li><code>url</code>, if set, is used as the url of the request</li>
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<li><code>method</code>, if set, is used as the HTTP method of the request. Must be one of <code>GET</code>, <code>PUT</code>, <code>POST</code> or <code>DELETE</code> (default: GET)</li>
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<li><code>headers</code>, if set, should be an object containing field/value
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pairs to be added as request headers</li>
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<li><code>payload</code> is sent as the body of the request</li>
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</ul>
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The output message contains the following properties:
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<ul>
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<li><code>payload</code> is the body of the response</li>
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<li><code>statusCode</code> is the status code of the response, or the error code if the request could not be completed</li>
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<li><code>headers</code> is an object containing the response headers</li>
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</ul>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('http request',{
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category: 'function',
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color:"rgb(231, 231, 174)",
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defaults: {
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name: {value:""},
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method:{value:"GET"},
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url:{value:""}
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},
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inputs:1,
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outputs:1,
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align: "right",
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icon: "white-globe.png",
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label: function() {
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return this.name||"http request";
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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@ -16,6 +16,10 @@
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var RED = require("../../red/red");
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var util = require("util");
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var http = require("http");
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var https = require("https");
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var urllib = require("url");
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var bodyParser = require("express").bodyParser();
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function HTTPIn(n) {
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RED.nodes.createNode(this,n);
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@ -24,14 +28,15 @@ function HTTPIn(n) {
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var node = this;
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this.callback = function(req,res) {
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console.log(arguments.length);
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node.send({req:req,res:res});
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}
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if (this.method == "get") {
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RED.app.get(this.url,this.callback);
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} else if (this.method == "post") {
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RED.app.post(this.url,this.callback);
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RED.app.post(this.url,bodyParser,this.callback);
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} else if (this.method == "put") {
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RED.app.put(this.url,this.callback);
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RED.app.put(this.url,bodyParser,this.callback);
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} else if (this.method == "delete") {
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RED.app.delete(this.url,this.callback);
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}
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@ -41,7 +46,7 @@ function HTTPIn(n) {
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for (var i in routes) {
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if (routes[i].path == this.url) {
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routes.splice(i,1);
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break;
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//break;
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}
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}
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});
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@ -58,10 +63,59 @@ function HTTPOut(n) {
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if (msg.headers) {
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res.set(msg.headers);
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}
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var rc = msg.rc || 200;
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msg.res.send(rc,msg.payload);
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var statusCode = msg.statusCode || 200;
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msg.res.send(statusCode,msg.payload);
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}
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});
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}
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RED.nodes.registerType("http response",HTTPOut);
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function HTTPRequest(n) {
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RED.nodes.createNode(this,n);
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var url = n.url;
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var method = n.method || "GET";
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var httplib = (/^https/.test(url))?https:http;
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var node = this;
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this.on("input",function(msg) {
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var opts = urllib.parse(msg.url||url);
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opts.method = msg.method||method;
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if (msg.headers) {
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opts.header = headers;
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}
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var req = httplib.request(opts,function(res) {
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res.setEncoding('utf8');
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var message = {
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statusCode: res.statusCode,
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headers: res.headers,
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payload: ""
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};
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res.on('data',function(chunk) {
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message.payload += chunk;
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});
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res.on('end',function() {
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node.send(message);
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});
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});
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req.on('error',function(err) {
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msg.payload = err.toString();
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msg.statusCode = err.code;
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node.send(msg);
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});
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if (msg.payload) {
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if (typeof msg.payload === "string" || Buffer.isBuffer(msg.payload)) {
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req.write(msg.payload);
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} else if (typeof msg.payload == "number") {
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req.write(msg.payload+"");
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} else {
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req.write(JSON.stringify(msg.payload));
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}
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}
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req.end();
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});
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}
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RED.nodes.registerType("http request",HTTPRequest);
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@ -15,6 +15,8 @@
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-->
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<script type="text/x-red" data-template-name="httpget">
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<div class="form-tips"><b>Deprecated</b>: please use the <i>http request</i> node.</div>
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<br>
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<div class="form-row">
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<label for="node-input-baseurl"><i class="icon-tasks"></i> Base URL</label>
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<input type="text" id="node-input-baseurl" placeholder="http(s)://url">
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