node-http-server

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A very simple and fast http server for node, bash, and spawnable from C, Python etc. It is lightweight and great for embedded solutions as well as everyday development or public facing apps.

github.com/RIAEvangelist/node-http-server

RIAEvangelist/node-http-server

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<!DOCTYPE html> <html> <head> <title>Server</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"> <link rel="stylesheet" media="all" href="../assets/file_1.css"/> <link rel="stylesheet" media="all" href="../assets/file_5.css"/> <link rel="stylesheet" media="all" href="../assets/32px.png"/> <link rel="stylesheet" media="all" href="../assets/40px.png"/> <link rel="stylesheet" media="all" href="../assets/throbber.gif"/> <link rel="stylesheet" media="all" href="../assets/file_7.css"/> <link rel="stylesheet" media="all" href="../assets/file_8.css"/> <script src="../assets/file_2.js" type="text/javascript"></script> <script src="../assets/file_3.js" type="text/javascript"></script> <script src="../assets/file_4.js" type="text/javascript"></script> <script src="../assets/file_6.js" type="text/javascript"></script> <script 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</script> </head> <body class="markdown-body"> <h1> Server </h1> <div class="subHeading"> ./server/Server.js </div> <button type="button" class="navigatorToggle">☰ files...</button> <nav class="navigationTree minimized"> <input type="text" id="jsTreeSearch" placeholder="search..."/> <div></div> </nav> <section> <ul class="sectionDetails "> <li id="section-1"> <div class="annotation"> </div><div class="content"> <div class="highlight"><pre>'use strict'; const http = require('http'), https = require('https'), url = require('url'), path = require('path'), fs = require('fs'), querystring=require('querystring'), Config = require(`${__dirname}/Config.js`);</pre></div> </div> </li> <li id="section-2"> <div class="annotation"> <h1 id="-server-class-https-github-com-riaevangelist-node-http-server-server-class-"><a href="https://github.com/RIAEvangelist/node-http-server#server-class">SERVER CLASS</a></h1> <hr> You can pass a <code>userConfig</code> object to shallow merge and/or decorate the <code>server.config</code> when instatiating if you desire. <pre><code class="lang-javascript"> const server=require('node-http-server'); // server is a Server instation already so to modify or decorate its config, you // must call the server.deploy method. server.deploy({verbose:true}) const Server=server.Server; // Server is a refrence to the Server class so you can extend or instatiate it. const myServer=new Server({verbose:true}); // this is the instatiated server which now contains your desired defaults. // like the first example, it too can still be modified on deployment myServer.deploy({port:8888},(server)=>{console.log(server)}); </code></pre> </div><div class="content"> <div class="highlight"><pre> class Server{</pre></div> </div> </li> <li id="section-3"> <div class="annotation"> <code>server.config</code> is where the servers configuration will reside. It is a new instance of the <a href="http://riaevangelist.github.io/node-http-server/server/Config.js.html">Config class</a> which will be shallow merged and/or decorated by with the passed <code>userConfig</code> if one is passed upon construction of the Server class, or to the <code>server.deploy</code> method. <a href="https://github.com/RIAEvangelist/node-http-server#custom-configuration">Detailed info on the server.config or userConfig</a> </div><div class="content"> <div class="highlight"><pre> constructor(userConfig){ this.config=new this.Config(userConfig); }</pre></div> </div> </li> <li id="section-4"> <div class="annotation"> <h4 id="deploy">deploy</h4> <code>server.deploy</code> starts the server. <code>server.deploy(userConfig,readyCallback)</code> <table> <thead> <tr> <th>method</th> <th>returns</th> </tr> </thead> <tbody> <tr> <td>deploy</td> <td>void</td> </tr> </tbody> </table> <table> <thead> <tr> <th>parameter</th> <th>required</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>userConfig</td> <td>no</td> <td>if a <code>userConfig</code> object is passed it will decorate the <a href="http://riaevangelist.github.io/node-http-server/Config.js.html">Config class</a></td> </tr> <tr> <td>readyCallback</td> <td>no</td> <td>called once the server is started</td> </tr> </tbody> </table> <pre><code class="lang-javascript"> const server=require('node-http-server'); server.deploy( { port:8000, root:'~/myApp/' }, serverReady ); server.deploy( { port:8888, root:'~/myOtherApp/' }, serverReady ); function serverReady(server){ console.log( `Server on port ${server.config.port} is now up`); } </code></pre> See the example folder for more detailed examples, or check the node-http-server readme for some <a href="https://github.com/RIAEvangelist/node-http-server#examples">Quickstart Examples for deploying a node server</a> </div><div class="content"> <div class="highlight"><pre> get deploy(){ return deploy; }</pre></div> </div> </li> <li id="section-5"> <div class="annotation"> <h4 id="onrawrequest">onRawRequest</h4> <code>server.onRawRequest</code> <code>server.onRawRequest(request,response,serve)</code> <table> <thead> <tr> <th>method</th> <th>should return</th> </tr> </thead> <tbody> <tr> <td>onRawRequest</td> <td>bool/void</td> </tr> </tbody> </table> <table> <thead> <tr> <th>parameter</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>request</td> <td>http(s) request obj</td> </tr> <tr> <td>response</td> <td>http(s) response obj</td> </tr> <tr> <td>serve</td> <td>ref to <code>server.serve</code></td> </tr> </tbody> </table> <pre><code class="lang-javascript"> const server=require('node-http-server'); const config=new server.Config; config.port=8000; server.onRawRequest=gotRequest; server.deploy(config); function gotRequest(request,response,serve){ console.log(request.uri,request.headers); serve( request, response, JSON.stringify( { uri:request.uri, headers:request.headers } ) ); return true; } </code></pre> </div><div class="content"> <div class="highlight"><pre> onRawRequest(request,response,serve){ }</pre></div> </div> </li> <li id="section-6"> <div class="annotation"> <h4 id="onrequest">onRequest</h4> <code>server.onRequest</code> <code>server.onRequest(request,response,serve)</code> <table> <thead> <tr> <th>method</th> <th>should return</th> </tr> </thead> <tbody> <tr> <td>onRequest</td> <td>bool/void</td> </tr> </tbody> </table> <table> <thead> <tr> <th>parameter</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>request</td> <td>raw http(s) request obj</td> </tr> <tr> <td>response</td> <td>http(s) response obj</td> </tr> <tr> <td>serve</td> <td>ref to <code>server.serve</code></td> </tr> </tbody> </table> <pre><code class="lang-javascript"> const server=require('node-http-server'); const config=new server.Config; config.port=8099; config.verbose=true; server.onRequest=gotRequest; server.deploy(config); function gotRequest(request,response,serve){ //at this point the request is decorated with helper members lets take a look at the query params if there are any. console.log(request.query,request.uri,request.headers); //lets only let the requests with a query param of hello go through if(request.query.hello){ // remember returning false means do not inturrupt the response lifecycle // and that you will not be manually serving return false; } serve( request, response, JSON.stringify( { success:false, message:'you must have a query param of hello to access the server i.e. /index.html?hello' uri:request.uri, query:request.query } ) ); //now we let the server know we want it to kill the normal request lifecycle //because we just completed it by serving above. we could also handle it async style //and request a meme or something from the web and put that on the page (or something...) return true; } </code></pre> </div><div class="content"> <div class="highlight"><pre> onRequest(request,response,serve){ }</pre></div> </div> </li> <li id="section-7"> <div class="annotation"> <h4 id="beforeserve">beforeServe</h4> <code>server.beforeServe</code> <code>server.beforeServe(request,response,body,encoding,serve)</code> <table> <thead> <tr> <th>method</th> <th>should return</th> </tr> </thead> <tbody> <tr> <td>beforeServe</td> <td>bool/void</td> </tr> </tbody> </table> <table> <thead> <tr> <th>parameter</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>request</td> <td>decorated http(s) request obj</td> </tr> <tr> <td>response</td> <td>http(s) response obj</td> </tr> <tr> <td>body</td> <td>response content body RefString</td> </tr> <tr> <td>encoding</td> <td>response body encoding RefString</td> </tr> <tr> <td>serve</td> <td>ref to <code>server.serve</code></td> </tr> </tbody> </table> <code>type RefString</code> <table> <thead> <tr> <th>type</th> <th>keys</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>RefString</td> <td><code>value</code></td> <td>a way to allow modifying a string by refrence.</td> </tr> </tbody> </table> <pre><code class="lang-javascript"> const server=require('node-http-server'); server.beforeServe=beforeServe; function beforeServe(request,response,body,encoding){ //only parsing html files for this example if(response.getHeader('Content-Type')!=server.config.contentType.html){ //return void||false to allow response lifecycle to continue as normal return; } const someVariable='this is some variable value'; body.value=body.value.replace('{{someVariable}}',someVariable); //return void||false to allow response lifecycle to continue as normal //with modified body content return; } server.deploy( { port:8000, root:`${__dirname}/appRoot/` } ); </code></pre> </div><div class="content"> <div class="highlight"><pre> beforeServe(request,response,body,encoding,serve){ }</pre></div> </div> </li> <li id="section-8"> <div class="annotation"> <h4 id="afterserve">afterServe</h4> <code>server.afterServe</code> <code>server.afterServe(request)</code> <table> <thead> <tr> <th>method</th> <th>should return</th> </tr> </thead> <tbody> <tr> <td>afterServe</td> <td>n/a</td> </tr> </tbody> </table> <table> <thead> <tr> <th>parameter</th> <th>description</th> </tr> </thead> <tbody> <tr> <td>request</td> <td>decorated http(s) request obj</td> </tr> </tbody> </table> <pre><code class="lang-javascript"> const server=require('node-http-server'); server.afterServe=afterServe; function afterServe(request){ console.log(`just served ${request.uri}`); } server.deploy( { port:8075, root:`${__dirname}/appRoot/` } ); </code></pre> </div><div class="content"> <div class="highlight"><pre> afterServe(request){ } get serve(){ return serve; } get serveFile(){ return serveFile; } get Config(){ return Config } get Server(){ return Server } } function deploy(userConfig, readyCallback=function(){}){ Object.defineProperty( this, 'server', { value:http.createServer( requestRecieved.bind(this) ), writable:false, enumerable:true } ); if(userConfig){ Object.assign(this.config,userConfig); } if(this.config.https && this.config.https.privateKey && this.config.https.certificate){ if(!this.config.https.port){ this.config.https.port=443; } this.config.httpsOptions = { key: fs.readFileSync(this.config.https.privateKey), cert: fs.readFileSync(this.config.https.certificate), passphrase: this.config.https.passphrase }; if(this.config.https.ca){ this.config.httpsOptions.ca=fs.readFileSync(this.config.https.ca); } Object.defineProperty( this, 'secureServer', { value:https.createServer( this.config.httpsOptions, requestRecieved.bind(this) ), writable:false, enumerable:true } ); }else{ this.config.https={ only:false }; } this.config.logID=`### ${this.config.domain} server`; if(this.config.verbose){ console.log( `${this.config.logID} configured with ###\n\n`,this.config); } this.server.timeout=this.config.server.timeout; if(!this.config.https.only){ this.server.listen( this.config.port, function() { if(this.config.verbose){ console.log(`${this.config.logID} listening on port ${this.config.port} ###\n\n`); }</pre></div> </div> </li> <li id="section-9"> <div class="annotation"> The <code>readyCallback</code> is passed the full server instance so that you may use the same callback to handle multiple server instances in the same code instead of writing an inline callback… think about it ;) </div><div class="content"> <div class="highlight"><pre> readyCallback(this); }.bind(this) ); } if(this.config.httpsOptions){ this.secureServer.listen( this.config.https.port, function() { if(this.config.verbose){ console.log(`HTTPS: ${this.config.logID} listening on port ${this.config.https.port} ###\n\n`); }</pre></div> </div> </li> <li id="section-10"> <div class="annotation"> for example the same ready callback could handle both the https and http servers with a simple test for the servers port </div><div class="content"> <div class="highlight"><pre> readyCallback(this); }.bind(this) ); } } function setHeaders(response,headers){ const keys=Object.keys(headers); for(const i in keys){ response.setHeader( keys[i], headers[keys[i]] ); } } function serveFile(filename,exists,request,response) { if(!exists) { if(this.config.verbose){ console.log(`${this.config.logID} 404 ###\n\n`); } if(!response){ return false; } response.statusCode=404; setHeaders(response, this.config.errors.headers); this.serve( request, response, this.config.errors['404'] ); return; } const contentType = path.extname(filename).slice(1); if(!this.config.contentType[contentType]){ if(this.config.verbose){ console.log(`${this.config.logID} 415 ###\n\n`); } response.statusCode=415; setHeaders(response, this.config.errors.headers); this.serve( request, response, this.config.errors['415'] ); return; } if ( fs.statSync(filename).isDirectory() ){ filename+=`/${this.config.server.index}`; } if ( this.config.restrictedType[contentType] ){ if(this.config.verbose){ console.log(`${this.config.logID} 403 ###\n\n`); } response.statusCode=403; setHeaders(response, this.config.errors.headers); this.serve( request, response, this.config.errors['403'] ); return; } fs.readFile( filename, 'binary', function(err, file) { if(err) { if(this.config.verbose){ console.log(`${this.config.logID} 500 ###\n\n`,err,'\n\n'); } response.statusCode=500; setHeaders(response, this.config.errors.headers); this.serve( request, response, this.config.errors['500'].replace(/\{\{err\}\}/g,err) ); return; } response.setHeader( 'Content-Type', this.config.contentType[contentType] ); if(this.config.server.noCache){ response.setHeader( 'Cache-Control', 'no-cache, no-store, must-revalidate' ); } response.statusCode=200; this.serve( request, response, file, 'binary' ); if(this.config.verbose){ console.log(`${this.config.logID} 200 ###\n\n`); } return; }.bind(this) ); } function serve(request,response,body,encoding){ if(!response.statusCode){ response.statusCode=200; } if(!response.getHeader('Content-Type')){ response.setHeader( 'Content-Type', 'text/plain' ); if(this.config.verbose){ console.log(`${this.config.logID} response content-type header not specified ###\n\nContent-Type set to: text/plain\n\n`); } } if(!encoding){ encoding='utf8'; if(this.config.verbose){ console.log(`${this.config.logID} encoding not specified ###\nencoding set to:\n`,encoding,'\n\n'); } } const refBody=new RefString; const refEncoding=new RefString; refBody.value=body; refEncoding.value=encoding;</pre></div> </div> </li> <li id="section-11"> <div class="annotation"> return any value to force or specify delayed or manual serving </div><div class="content"> <div class="highlight"><pre> if( this.beforeServe( request, response, refBody, refEncoding, completeServing.bind(this) ) ){ return; }; completeServing.bind(this)(request,response,refBody,encoding); return; } function completeServing(request,response,refBody,refEncoding){ if(!(refBody instanceof RefString)){ refBody=new RefString(refBody); } if(!(refEncoding instanceof RefString)){ refEncoding=new RefString(refEncoding||'binary'); } if(response.finished){ this.afterServe(request); return; } response.end( refBody.value, refEncoding.value, this.afterServe.bind(this,request) ); } class RefString{ constructor(value){ if(value){ this._string=value; } } get value(){ return this._string; } set value(value){ this._string=value; return this._string; } } function requestRecieved(request,response){ if(this.config.log){ const logData={ method : request.method, url : request.url, headers : request.headers }; this.config.logFunction( logData ); } let uri = url.parse(request.url); uri.protocol='http'; uri.host=uri.hostname=request.headers.host; uri.port=80; uri.query=querystring.parse(uri.query); if(request.connection.encrypted){ uri.protocol='https'; uri.port=443; } ( function(){ if(!uri.host){ return; } const host=uri.host.split(':'); if(!host[1]){ return; } uri.host=uri.hostname=host[0]; uri.port=host[1]; } )(); for(let key in uri){ if(uri[key]!==null){ continue; } uri[key]=''; } request.uri=uri; if( this.onRawRequest( request, response, completeServing.bind(this) ) ){ return; }; uri=uri.pathname; if (uri=='/'){ uri=`/${this.config.server.index}`; } let hostname= []; if (request.headers.host !== undefined){ hostname = request.headers.host.split(':'); } let root = this.config.root; if(this.config.verbose){ console.log(`${this.config.logID} REQUEST ###\n\n`, request.headers,'\n', uri,'\n\n', hostname,'\n\n' ); } if(this.config.domain!='0.0.0.0' && hostname.length > 0 && hostname[0]!=this.config.domain){ if(!this.config.domains[hostname[0]]){ if(this.config.verbose){ console.log(`${this.config.logID} INVALID HOST ###\n\n`); } this.serveFile(hostname[0],false,response); return; } root=this.config.domains[hostname[0]]; } if(this.config.verbose){ console.log(`${this.config.logID} USING ROOT : ${root}###\n\n`); } if(uri.slice(-1)=='/'){ uri+=this.config.server.index; } request.url=uri; request.serverRoot=root; request.body=''; request.on( 'data', function(chunk){ request.body+=chunk; }.bind(this) ).on( 'end', function(){ if(this.config.verbose){ console.log(`###REQUEST BODY : ${request.body} ### `); } requestBodyComplete.bind(this,request,response)(); }.bind(this) ); } function requestBodyComplete(request,response){</pre></div> </div> </li> <li id="section-12"> <div class="annotation"> return any value to force or specify delayed or manual serving </div><div class="content"> <div class="highlight"><pre> if( this.onRequest( request, response, completeServing.bind(this) ) ){ return; }; const filename = path.join( request.serverRoot, request.url ); fs.exists( filename, function fileExists(exists){ this.serveFile(filename,exists,request,response); }.bind(this) ); } module.exports=new Server;</pre></div> </div> </li> </ul> </section> </body> </html>