common.js.html
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<!doctype html>
<html lang="en">
<head>
<title>Code coverage report for lib/http-proxy/common.js</title>
<meta charset="utf-8" />
<link rel="stylesheet" href="../../prettify.css" />
<link rel="stylesheet" href="../../base.css" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<style type='text/css'>
.coverage-summary .sorter {
background-image: url(../../sort-arrow-sprite.png);
}
</style>
</head>
<body>
<div class='wrapper'>
<div class='pad1'>
<h1>
<a href="../../index.html">All files</a> / <a href="index.html">lib/http-proxy</a> common.js
</h1>
<div class='clearfix'>
<div class='fl pad1y space-right2'>
<span class="strong">19.12% </span>
<span class="quiet">Statements</span>
<span class='fraction'>13/68</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">0% </span>
<span class="quiet">Branches</span>
<span class='fraction'>0/72</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">0% </span>
<span class="quiet">Functions</span>
<span class='fraction'>0/10</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">19.12% </span>
<span class="quiet">Lines</span>
<span class='fraction'>13/68</span>
</div>
</div>
<p class="quiet">
Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
</p>
</div>
<div class='status-line low'></div>
<pre><table class="coverage">
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">var common = exports,
url = require('url'),
extend = require('util')._extend,
required = require('requires-port');
var upgradeHeader = /(^|,)\s*upgrade\s*($|,)/i,
isSSL = /^https|wss/;
/**
* Simple Regex for testing if protocol is https
*/
common.isSSL = isSSL;
/**
* Copies the right headers from `options` and `req` to
* `outgoing` which is then used to fire the proxied
* request.
*
* Examples:
*
* common.setupOutgoing(outgoing, options, req)
* // => { host: ..., hostname: ...}
*
* @param {Object} Outgoing Base object to be filled with required properties
* @param {Object} Options Config object passed to the proxy
* @param {ClientRequest} Req Request Object
* @param {String} Forward String to select forward or target
*
* @return {Object} Outgoing Object with all required properties set
*
* @api private
*/
common.setupOutgoing = <span class="fstat-no" title="function not covered" >fu</span>nction(outgoing, options, req, forward) {
<span class="cstat-no" title="statement not covered" > outgoing.port = options[forward || 'target'].port ||</span>
(isSSL.test(options[forward || 'target'].protocol) ? 443 : 80);
<span class="cstat-no" title="statement not covered" > ['host', 'hostname', 'socketPath', 'pfx', 'key',</span>
'passphrase', 'cert', 'ca', 'ciphers', 'secureProtocol'].forEach(
<span class="fstat-no" title="function not covered" > fu</span>nction(e) { <span class="cstat-no" title="statement not covered" >outgoing[e] = options[forward || 'target'][e]; </span>}
);
<span class="cstat-no" title="statement not covered" > outgoing.method = options.method || req.method;</span>
<span class="cstat-no" title="statement not covered" > outgoing.headers = extend({}, req.headers);</span>
<span class="cstat-no" title="statement not covered" > if (options.headers){</span>
<span class="cstat-no" title="statement not covered" > extend(outgoing.headers, options.headers);</span>
}
<span class="cstat-no" title="statement not covered" > if (options.auth) {</span>
<span class="cstat-no" title="statement not covered" > outgoing.auth = options.auth;</span>
}
<span class="cstat-no" title="statement not covered" > if (options.ca) {</span>
<span class="cstat-no" title="statement not covered" > outgoing.ca = options.ca;</span>
}
<span class="cstat-no" title="statement not covered" > if (isSSL.test(options[forward || 'target'].protocol)) {</span>
<span class="cstat-no" title="statement not covered" > outgoing.rejectUnauthorized = (typeof options.secure === "undefined") ? true : options.secure;</span>
}
<span class="cstat-no" title="statement not covered" > outgoing.agent = options.agent || false;</span>
<span class="cstat-no" title="statement not covered" > outgoing.localAddress = options.localAddress;</span>
//
// Remark: If we are false and not upgrading, set the connection: close. This is the right thing to do
// as node core doesn't handle this COMPLETELY properly yet.
//
<span class="cstat-no" title="statement not covered" > if (!outgoing.agent) {</span>
<span class="cstat-no" title="statement not covered" > outgoing.headers = outgoing.headers || {};</span>
<span class="cstat-no" title="statement not covered" > if (typeof outgoing.headers.connection !== 'string'</span>
|| !upgradeHeader.test(outgoing.headers.connection)
) { <span class="cstat-no" title="statement not covered" >outgoing.headers.connection = 'close'; </span>}
}
// the final path is target path + relative path requested by user:
var target = <span class="cstat-no" title="statement not covered" >options[forward || 'target'];</span>
var targetPath = <span class="cstat-no" title="statement not covered" >target && options.prependPath !== false</span>
? (target.path || '')
: '';
//
// Remark: Can we somehow not use url.parse as a perf optimization?
//
var outgoingPath = <span class="cstat-no" title="statement not covered" >!options.toProxy</span>
? (url.parse(req.url).path || '')
: req.url;
//
// Remark: ignorePath will just straight up ignore whatever the request's
// path is. This can be labeled as FOOT-GUN material if you do not know what
// you are doing and are using conflicting options.
//
<span class="cstat-no" title="statement not covered" > outgoingPath = !options.ignorePath ? outgoingPath : '';</span>
<span class="cstat-no" title="statement not covered" > outgoing.path = common.urlJoin(targetPath, outgoingPath);</span>
<span class="cstat-no" title="statement not covered" > if (options.changeOrigin) {</span>
<span class="cstat-no" title="statement not covered" > outgoing.headers.host =</span>
required(outgoing.port, options[forward || 'target'].protocol) && !hasPort(outgoing.host)
? outgoing.host + ':' + outgoing.port
: outgoing.host;
}
<span class="cstat-no" title="statement not covered" > return outgoing;</span>
};
/**
* Set the proper configuration for sockets,
* set no delay and set keep alive, also set
* the timeout to 0.
*
* Examples:
*
* common.setupSocket(socket)
* // => Socket
*
* @param {Socket} Socket instance to setup
*
* @return {Socket} Return the configured socket.
*
* @api private
*/
common.setupSocket = <span class="fstat-no" title="function not covered" >fu</span>nction(socket) {
<span class="cstat-no" title="statement not covered" > socket.setTimeout(0);</span>
<span class="cstat-no" title="statement not covered" > socket.setNoDelay(true);</span>
<span class="cstat-no" title="statement not covered" > socket.setKeepAlive(true, 0);</span>
<span class="cstat-no" title="statement not covered" > return socket;</span>
};
/**
* Get the port number from the host. Or guess it based on the connection type.
*
* @param {Request} req Incoming HTTP request.
*
* @return {String} The port number.
*
* @api private
*/
common.getPort = <span class="fstat-no" title="function not covered" >fu</span>nction(req) {
var res = <span class="cstat-no" title="statement not covered" >req.headers.host ? req.headers.host.match(/:(\d+)/) : '';</span>
<span class="cstat-no" title="statement not covered" > return res ?</span>
res[1] :
common.hasEncryptedConnection(req) ? '443' : '80';
};
/**
* Check if the request has an encrypted connection.
*
* @param {Request} req Incoming HTTP request.
*
* @return {Boolean} Whether the connection is encrypted or not.
*
* @api private
*/
common.hasEncryptedConnection = <span class="fstat-no" title="function not covered" >fu</span>nction(req) {
<span class="cstat-no" title="statement not covered" > return Boolean(req.connection.encrypted || req.connection.pair);</span>
};
/**
* OS-agnostic join (doesn't break on URLs like path.join does on Windows)>
*
* @return {String} The generated path.
*
* @api private
*/
common.urlJoin = <span class="fstat-no" title="function not covered" >fu</span>nction() {
//
// We do not want to mess with the query string. All we want to touch is the path.
//
var args = <span class="cstat-no" title="statement not covered" >Array.prototype.slice.call(arguments),</span>
lastIndex = <span class="cstat-no" title="statement not covered" >args.length - 1,</span>
last = <span class="cstat-no" title="statement not covered" >args[lastIndex],</span>
lastSegs = <span class="cstat-no" title="statement not covered" >last.split('?'),</span>
retSegs;
<span class="cstat-no" title="statement not covered" > args[lastIndex] = lastSegs.shift();</span>
//
// Join all strings, but remove empty strings so we don't get extra slashes from
// joining e.g. ['', 'am']
//
<span class="cstat-no" title="statement not covered" > retSegs = [</span>
args.filter(Boolean).join('/')
.replace(/\/+/g, '/')
.replace('http:/', 'http://')
.replace('https:/', 'https://')
];
// Only join the query string if it exists so we don't have trailing a '?'
// on every request
// Handle case where there could be multiple ? in the URL.
<span class="cstat-no" title="statement not covered" > retSegs.push.apply(retSegs, lastSegs);</span>
<span class="cstat-no" title="statement not covered" > return retSegs.join('?')</span>
};
/**
* Rewrites or removes the domain of a cookie header
*
* @param {String|Array} Header
* @param {Object} Config, mapping of domain to rewritten domain.
* '*' key to match any domain, null value to remove the domain.
*
* @api private
*/
common.rewriteCookieProperty = function <span class="fstat-no" title="function not covered" >rewriteCookieProperty(</span>header, config, property) {
<span class="cstat-no" title="statement not covered" > if (Array.isArray(header)) {</span>
<span class="cstat-no" title="statement not covered" > return header.map(<span class="fstat-no" title="function not covered" >fu</span>nction (headerElement) {</span>
<span class="cstat-no" title="statement not covered" > return rewriteCookieProperty(headerElement, config, property);</span>
});
}
<span class="cstat-no" title="statement not covered" > return header.replace(new RegExp("(;\\s*" + property + "=)([^;]+)", 'i'), <span class="fstat-no" title="function not covered" >fu</span>nction(match, prefix, previousValue) {</span>
var newValue;
<span class="cstat-no" title="statement not covered" > if (previousValue in config) {</span>
<span class="cstat-no" title="statement not covered" > newValue = config[previousValue];</span>
} else <span class="cstat-no" title="statement not covered" >if ('*' in config) {</span>
<span class="cstat-no" title="statement not covered" > newValue = config['*'];</span>
} else {
//no match, return previous value
<span class="cstat-no" title="statement not covered" > return match;</span>
}
<span class="cstat-no" title="statement not covered" > if (newValue) {</span>
//replace value
<span class="cstat-no" title="statement not covered" > return prefix + newValue;</span>
} else {
//remove value
<span class="cstat-no" title="statement not covered" > return '';</span>
}
});
};
/**
* Check the host and see if it potentially has a port in it (keep it simple)
*
* @returns {Boolean} Whether we have one or not
*
* @api private
*/
function <span class="fstat-no" title="function not covered" >hasPort(</span>host) {
<span class="cstat-no" title="statement not covered" > return !!~host.indexOf(':');</span>
};
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