sgapps-server
Version:
SGApps Network Server
198 lines (142 loc) • 17.4 kB
HTML
<html lang="en">
<head>
<meta charset="utf-8">
<title>prototypes/server/extend/response-pipe-file.js - SGApps Server - Framework</title>
<meta name="description" content="SGApps Server for high performance results" />
<meta name="keywords" content="javascript, js, application-prototype, prototype" />
<meta name="keyword" content="javascript, js, application-prototype, prototype" />
<meta property="og:title" content="SGApps Server - Framework"/>
<meta property="og:type" content="website"/>
<meta property="og:image" content=""/>
<meta property="og:url" content="https://labs.sgapps.io/open-source/sgapps-server"/>
<script src="scripts/prettify/prettify.js"></script>
<script src="scripts/prettify/lang-css.js"></script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc.css">
<script src="scripts/nav.js" defer></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<input type="checkbox" id="nav-trigger" class="nav-trigger" />
<label for="nav-trigger" class="navicon-button x">
<div class="navicon"></div>
</label>
<label for="nav-trigger" class="overlay"></label>
<nav class="wrap">
<input type="text" id="nav-search" placeholder="Search" />
<h2><a href="index.html">Home</a></h2><h2><a href="https://labs.sgapps.io/open-source/sgapps-server" target="_blank" class="menu-item" id="website_link" >Project Page ( Git Lab )</a></h2><h2><a href="http://gordienco.net/" target="_blank" class="menu-item" id="website_link" >About Me</a></h2><h2><a href="https://labs.sgapps.io/open-source/sgapps-server" target="_blank" class="menu-item" id="github_link" >GitHub</a></h2><h3>Classes</h3><ul><li><a href="AccessLogger.html">AccessLogger</a><ul class='methods'><li data-type='method' style='display: none;'><a href="AccessLogger.html#formattedDate">formattedDate</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#getProtocol">getProtocol</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#getReferer">getReferer</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#getRemoteIp">getRemoteIp</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#getSize">getSize</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#getUsername">getUsername</a></li><li data-type='method' style='display: none;'><a href="AccessLogger.html#logRequest">logRequest</a></li></ul></li><li><a href="FaceboxTemplate.html">FaceboxTemplate</a><ul class='methods'><li data-type='method' style='display: none;'><a href="FaceboxTemplate.html#render">render</a></li><li data-type='method' style='display: none;'><a href="FaceboxTemplate.html#renderCode">renderCode</a></li><li data-type='method' style='display: none;'><a href="FaceboxTemplate.html#renderFile">renderFile</a></li></ul></li><li><a href="FSLibrary.html">FSLibrary</a></li><li><a href="LoggerBuilder.html">LoggerBuilder</a><ul class='methods'><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#decorateGlobalLogger">decorateGlobalLogger</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#error">error</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#info">info</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#log">log</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#prettyCli">prettyCli</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#prompt">prompt</a></li><li data-type='method' style='display: none;'><a href="LoggerBuilder.html#warn">warn</a></li></ul></li><li><a href="SGAppsServer.html">SGAppsServer</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServer.html#all">all</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#connect">connect</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#delete">delete</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#Email">Email</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#finalHandler">finalHandler</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#get">get</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#handle">handle</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#handleErrorRequest">handleErrorRequest</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#handlePostData">handlePostData</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#handleRequest">handleRequest</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#handleStaticRequest">handleStaticRequest</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#head">head</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#options">options</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#patch">patch</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#post">post</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#put">put</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#server">server</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#trace">trace</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.html#use">use</a></li></ul></li><li><a href="SGAppsServer.NodeJsMvc.html">NodeJsMvc</a></li><li class="level-hide"><a href="SGAppsServer.NodeJsMvc.Controller.html">Controller</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#actionExists">actionExists</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#addAction">addAction</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#addView">addView</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#getAction">getAction</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#getView">getView</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#removeAction">removeAction</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#removeView">removeView</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#render">render</a></li><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.html#viewExists">viewExists</a></li></ul></li><li class="level-hide"><a href="SGAppsServer.NodeJsMvc.Controller.Action.html">Action</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServer.NodeJsMvc.Controller.Action.html#run">run</a></li></ul></li><li><a href="SGAppsServerDecoratorsLibrary.html">SGAppsServerDecoratorsLibrary</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerDecoratorsLibrary.html#.AccessLoggerDecorator">AccessLoggerDecorator</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerDecoratorsLibrary.html#.NodeJsMvcDecorator">NodeJsMvcDecorator</a></li></ul></li><li><a href="SGAppsServerDictionary.html">SGAppsServerDictionary</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerDictionary.html#generatePathKey">generatePathKey</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerDictionary.html#push">push</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerDictionary.html#run">run</a></li></ul></li><li><a href="SGAppsServerEmail.html">SGAppsServerEmail</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerEmail.html#.from">from</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerEmail.html#.isValidAddress">isValidAddress</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerEmail.html#.timeout">timeout</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerEmail.html#send">send</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerEmail.html#valid">valid</a></li></ul></li><li><a href="SGAppsServerRequest.html">SGAppsServerRequest</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerRequest.html#_parseDeepFieldName">_parseDeepFieldName</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerRequest.html#getMountUpdatedUrl">getMountUpdatedUrl</a></li></ul></li><li><a href="SGAppsServerRequestCookie.html">SGAppsServerRequestCookie</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerRequestCookie.html#get">get</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerRequestCookie.html#set">set</a></li></ul></li><li><a href="SGAppsServerRequestSession.html">SGAppsServerRequestSession</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerRequestSession.html#destroy">destroy</a></li></ul></li><li><a href="SGAppsServerResponse.html">SGAppsServerResponse</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#pipeFile">pipeFile</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#pipeFileStatic">pipeFileStatic</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#redirect">redirect</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#send">send</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#sendError">sendError</a></li><li data-type='method' style='display: none;'><a href="SGAppsServerResponse.html#sendStatusCode">sendStatusCode</a></li></ul></li><li><a href="SGAppsServerShared.html">SGAppsServerShared</a></li><li><a href="SGAppsSessionManager.html">SGAppsSessionManager</a><ul class='methods'><li data-type='method' style='display: none;'><a href="SGAppsSessionManager.html#handleRequest">handleRequest</a></li><li data-type='method' style='display: none;'><a href="SGAppsSessionManager.html#removeExpiredSessions">removeExpiredSessions</a></li></ul></li><li><a href="TemplateManager.html">TemplateManager</a><ul class='methods'><li data-type='method' style='display: none;'><a href="TemplateManager.html#add">add</a></li><li data-type='method' style='display: none;'><a href="TemplateManager.html#addList">addList</a></li><li data-type='method' style='display: none;'><a href="TemplateManager.html#get">get</a></li><li data-type='method' style='display: none;'><a href="TemplateManager.html#remove">remove</a></li><li data-type='method' style='display: none;'><a href="TemplateManager.html#render">render</a></li><li data-type='method' style='display: none;'><a href="TemplateManager.html#templateExists">templateExists</a></li></ul></li><li><a href="TemplateManagerViewer.html">TemplateManagerViewer</a><ul class='methods'><li data-type='method' style='display: none;'><a href="TemplateManagerViewer.html#render">render</a></li><li data-type='method' style='display: none;'><a href="TemplateManagerViewer.html#renderCode">renderCode</a></li></ul></li></ul><h3>Global</h3><ul><li><a href="global.html#LoggerBuilderPrompt">LoggerBuilderPrompt</a></li><li><a href="global.html#MountUpdatedURL">MountUpdatedURL</a></li><li><a href="global.html#RequestHandler">RequestHandler</a></li><li><a href="global.html#RequestPathStructure">RequestPathStructure</a></li><li><a href="global.html#RequestPathStructureMap">RequestPathStructureMap</a></li><li><a href="global.html#RequestSessionDecorator">RequestSessionDecorator</a></li><li><a href="global.html#ResourcesExtensions">ResourcesExtensions</a></li><li><a href="global.html#routeMatch">routeMatch</a></li><li><a href="global.html#SGAppsServerDecorator">SGAppsServerDecorator</a></li><li><a href="global.html#SGAppsServerDictionaryRunCallBack">SGAppsServerDictionaryRunCallBack</a></li><li><a href="global.html#SGAppsServerErrorCallBack">SGAppsServerErrorCallBack</a></li><li><a href="global.html#SGAppsServerErrorOnlyCallback">SGAppsServerErrorOnlyCallback</a></li><li><a href="global.html#SGAppsServerHandlerPostData">SGAppsServerHandlerPostData</a></li><li><a href="global.html#SGAppsServerOptions">SGAppsServerOptions</a></li><li><a href="global.html#SGAppsServerRequestFile">SGAppsServerRequestFile</a></li><li><a href="global.html#SGAppsServerRequestPostDataItem">SGAppsServerRequestPostDataItem</a></li><li><a href="global.html#SGAppsServerRequestSessionCache">SGAppsServerRequestSessionCache</a></li><li><a href="global.html#SGAppsSessionManagerOptions">SGAppsSessionManagerOptions</a></li><li><a href="global.html#TemplateManagerRenderOptions">TemplateManagerRenderOptions</a></li><li><a href="global.html#TemplateManagerTemplate">TemplateManagerTemplate</a></li></ul>
</nav>
<div id="main">
<h1 class="page-title">prototypes/server/extend/response-pipe-file.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* @private
* @param {SGAppsServerRequest} request
* @param {SGAppsServerResponse} response
* @param {SGAppsServer} server
* @param {function} callback
*/
function ResponsePipeFileDecorator(request, response, server, callback) {
if (request === null || response === null) {
callback();
return;
}
/**
* @memberof SGAppsServerResponse#
* @method pipeFile
* @param {string} filePath
* @param {SGAppsServerErrorOnlyCallback} callback represents a `Function(Error)`
*/
response.pipeFile = function ResponsePipe(filePath, callback) {
var returned = false;
var _callback = function (err) { if (!returned && callback) callback(err); };
if (response._flags.finished) {
_callback(Error('Response is already ended'));
return;
}
server._fs.stat(filePath, function (err, stat) {
if (err) {
_callback(err);
return;
}
let readStream, start, end, total = stat.size, chunkSize;
if (request.request) {
var range = request.request.headers.range || "";
if (range && total) {
var parts = range.replace(/bytes=/, "").split("-");
var partialStart = parts[0];
var partialEnd = parts[1];
start = parseInt(partialStart, 10);
end = partialEnd ? parseInt(partialEnd, 10) : total-1;
chunkSize = (end-start)+1;
if (
!response.response.headersSent
&& !response._flags.finished
) {
response.response.statusCode = 206;
response.response.setHeader(
"Content-Range",
`bytes ${start}-${end}/${total}`
);
response.response.setHeader("Accept-Ranges", "bytes");
response.response.setHeader("Content-Length", chunkSize);
}
}
}
if (typeof(start) === "number") {
if (typeof(end) === "number") {
readStream = server._fs.createReadStream(filePath, { start: start, end: end });
} else {
readStream = server._fs.createReadStream(filePath, { start: start });
}
} else {
readStream = server._fs.createReadStream(filePath);
}
// This catches any errors that happen while creating the readable stream (usually invalid names)
readStream.on('error', function(err) {
_callback(err);
});
// // This will wait until we know the readable stream is actually valid before piping
readStream.on('open', function () {
// This just pipes the read stream to the response object (which goes to the client)
readStream.pipe(response.response);
});
response.response.on('close', function() {
// Resume the read stream when the write stream gets hungry
readStream.destroy();
});
response.response.on('end', function() {
// Resume the read stream when the write stream gets hungry
readStream.destroy();
});
readStream.on('end', function() {
_callback(null);
});
});
};
// response._destroy.push(function ResponsePipeEnd() {
// delete response.pipeFile;
// });
callback();
};
module.exports = ResponsePipeFileDecorator;</code></pre>
</article>
</section>
</div>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.6.5</a> using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
</footer>
<script>prettyPrint();</script>
<script src="scripts/polyfill.js"></script>
<script src="scripts/linenumber.js"></script>
<script src="scripts/search.js" defer></script>
<script src="scripts/collapse.js" defer></script>
<script src="https://sgapps.io/components/sgapps-labs-examples/toolbar/loader.js"></script>
</body>
</html>