shunter
Version:
A Node.js application built to read JSON and translate it into HTML
87 lines (74 loc) • 2.83 kB
JavaScript
'use strict';
module.exports = function(config) {
var statsd = require('./statsd')(config);
var filter = require('./output-filter')(config);
var contentType = require('./content-type');
return {
send: function(err, out, req, res, status) {
var timer = config.timer();
var length = 0;
var content;
var mimeType;
if (!status) {
status = 200;
}
if (err) {
status = err.status || 500;
content = this.error(err, status);
} else if (req.isJson) {
content = out;
mimeType = 'application/json';
} else {
content = filter(out, contentType(req.url), req);
}
if (!mimeType) {
mimeType = contentType(req.url, {charset: 'utf-8'});
}
length = Buffer.byteLength(content);
statsd.classifiedTiming(req.url, 'writing', timer('Writing response ' + req.url));
statsd.classifiedGauge(req.url, 'response_size', length);
statsd.increment('requests');
res.setHeader('Content-type', mimeType);
res.setHeader('Content-length', length);
res.writeHead(status);
res.end(content);
},
error: function(err, status) {
var message = (err.message || err.toString());
var statusMessage = 'Internal server error';
var out = '';
if (status === 404) {
statusMessage = 'Not found';
}
// out should be undefined for 500-504 errors, handled by the vhost config
if (status < 500 || status >= 505) {
out = [
'<!DOCTYPE html><html lang="en"><head><title>' + statusMessage + '</title>',
'<script src="//nexus.ensighten.com/npg/Bootstrap.js"></script>',
'<meta name="WT.z_status_code" content="' + status + '" />',
'</head>',
'<body><div style="font-family: sans-serif; color: gray; font-size: 20px; font-weight: bold; margin-top: 200px; text-align: center;">' + status + ' – ' + statusMessage + '</div>',
'\n<!--\n\n',
function() {/*
___ _ _
/ __| | |_ _ _ _ _ | |_ ___ _ _
\__ \ | ' \ | +| | | ' \ | _| / -_) | '_|
|___/ |_||_| \_,_| |_||_| _\__| \___| _|_|_
_|"""""|_|"""""|_|"""""|_|"""""|_|"""""|_|"""""|_|"""""|
"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'
*/}.toString().replace(/^[^\*]+\*/, '').replace(/\*\/.$/, ''),
'\n\n\n',
'Error: ' + message + '\n',
'-->\n',
'<noscript>',
'<img alt="" id="DCSIMG" width="1" height="1" src="http://statse.webtrendslive.com/dcs0zztfg00000s969s37qoal_2f6z/njs.gif?dcsuri=/nojavascript&WT.js=No&WT.tv=10.2.55" />',
'</noscript>',
'</body></html>'
].join('');
}
config.log.error(err.stack ? err.stack : message);
statsd.increment('errors_' + status);
return out;
}
};
};