sv1313
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    <title>Code coverage report for lib/http-proxy/index.js</title>
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    <h1>
      <a href="../../index.html">All files</a> / <a href="index.html">lib/http-proxy</a> index.js
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    <div class='clearfix'>
      <div class='fl pad1y space-right2'>
        <span class="strong">18.39% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>16/87</span>
      </div>
      <div class='fl pad1y space-right2'>
        <span class="strong">0% </span>
        <span class="quiet">Branches</span>
        <span class='fraction'>0/52</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">0% </span>
        <span class="quiet">Functions</span>
        <span class='fraction'>0/17</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">19.75% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>16/81</span>
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    </div>
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      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.
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<pre><table class="coverage">
<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">var httpProxy = module.exports,
    extend    = require('util')._extend,
    parse_url = require('url').parse,
    EE3       = require('eventemitter3'),
    http      = require('http'),
    https     = require('https'),
    web       = require('./passes/web-incoming'),
    ws        = require('./passes/ws-incoming');
&nbsp;
httpProxy.Server = ProxyServer;
&nbsp;
/**
 * Returns a function that creates the loader for
 * either `ws` or `web`'s  passes.
 *
 * Examples:
 *
 *    httpProxy.createRightProxy('ws')
 *    // =&gt; [Function]
 *
 * @param {String} Type Either 'ws' or 'web'
 * 
 * @return {Function} Loader Function that when called returns an iterator for the right passes
 *
 * @api private
 */
&nbsp;
function <span class="fstat-no" title="function not covered" >createRightProxy(</span>type) {
&nbsp;
<span class="cstat-no" title="statement not covered" >  return <span class="fstat-no" title="function not covered" >fu</span>nction(options) {</span>
<span class="cstat-no" title="statement not covered" >    return <span class="fstat-no" title="function not covered" >fu</span>nction(req, res /*, [head], [opts] */) {</span>
      var passes = <span class="cstat-no" title="statement not covered" >(type === 'ws') ? this.wsPasses : this.webPasses,</span>
          args = <span class="cstat-no" title="statement not covered" >[].slice.call(arguments),</span>
          cntr = <span class="cstat-no" title="statement not covered" >args.length - 1,</span>
          head, cbl;
&nbsp;
      /* optional args parse begin */
<span class="cstat-no" title="statement not covered" >      if(typeof args[cntr] === 'function') {</span>
<span class="cstat-no" title="statement not covered" >        cbl = args[cntr];</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >        cntr--;</span>
      }
&nbsp;
      var requestOptions = <span class="cstat-no" title="statement not covered" >options;</span>
<span class="cstat-no" title="statement not covered" >      if(</span>
        !(args[cntr] instanceof Buffer) &amp;&amp;
        args[cntr] !== res
      ) {
        //Copy global options
<span class="cstat-no" title="statement not covered" >        requestOptions = extend({}, options);</span>
        //Overwrite with request options
<span class="cstat-no" title="statement not covered" >        extend(requestOptions, args[cntr]);</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >        cntr--;</span>
      }
&nbsp;
<span class="cstat-no" title="statement not covered" >      if(args[cntr] instanceof Buffer) {</span>
<span class="cstat-no" title="statement not covered" >        head = args[cntr];</span>
      }
&nbsp;
      /* optional args parse end */
&nbsp;
<span class="cstat-no" title="statement not covered" >      ['target', 'forward'].forEach(<span class="fstat-no" title="function not covered" >fu</span>nction(e) {</span>
<span class="cstat-no" title="statement not covered" >        if (typeof requestOptions[e] === 'string')</span>
<span class="cstat-no" title="statement not covered" >          requestOptions[e] = parse_url(requestOptions[e]);</span>
      });
&nbsp;
<span class="cstat-no" title="statement not covered" >      if (!requestOptions.target &amp;&amp; !requestOptions.forward) {</span>
<span class="cstat-no" title="statement not covered" >        return this.emit('error', new Error('Must provide a proper URL as target'));</span>
      }
&nbsp;
<span class="cstat-no" title="statement not covered" >      for(var i=0; i &lt; passes.length; i++) {</span>
        /**
         * Call of passes functions
         * pass(req, res, options, head)
         *
         * In WebSockets case the `res` variable
         * refer to the connection socket
         * pass(req, socket, options, head)
         */
<span class="cstat-no" title="statement not covered" >        if(passes[i](req, res, requestOptions, head, this, cbl)) { // passes can return a truthy value to halt the loop</span>
<span class="cstat-no" title="statement not covered" >          break;</span>
        }
      }
    };
  };
}
httpProxy.createRightProxy = createRightProxy;
&nbsp;
function <span class="fstat-no" title="function not covered" >ProxyServer(</span>options) {
<span class="cstat-no" title="statement not covered" >  EE3.call(this);</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  options = options || {};</span>
<span class="cstat-no" title="statement not covered" >  options.prependPath = options.prependPath === false ? false : true;</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  this.web = this.proxyRequest           = createRightProxy('web')(options);</span>
<span class="cstat-no" title="statement not covered" >  this.ws  = this.proxyWebsocketRequest  = createRightProxy('ws')(options);</span>
<span class="cstat-no" title="statement not covered" >  this.options = options;</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  this.webPasses = Object.keys(web).map(<span class="fstat-no" title="function not covered" >fu</span>nction(pass) {</span>
<span class="cstat-no" title="statement not covered" >    return web[pass];</span>
  });
&nbsp;
<span class="cstat-no" title="statement not covered" >  this.wsPasses = Object.keys(ws).map(<span class="fstat-no" title="function not covered" >fu</span>nction(pass) {</span>
<span class="cstat-no" title="statement not covered" >    return ws[pass];</span>
  });
&nbsp;
<span class="cstat-no" title="statement not covered" >  this.on('error', this.onError, this);</span>
&nbsp;
}
&nbsp;
require('util').inherits(ProxyServer, EE3);
&nbsp;
ProxyServer.prototype.onError = <span class="fstat-no" title="function not covered" >fu</span>nction (err) {
  //
  // Remark: Replicate node core behavior using EE3
  // so we force people to handle their own errors
  //
<span class="cstat-no" title="statement not covered" >  if(this.listeners('error').length === 1) {</span>
<span class="cstat-no" title="statement not covered" >    throw err;</span>
  }
};
&nbsp;
ProxyServer.prototype.listen = <span class="fstat-no" title="function not covered" >fu</span>nction(port, hostname) {
  var self    = <span class="cstat-no" title="statement not covered" >this,</span>
      closure = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >fu</span>nction(req, res) { <span class="cstat-no" title="statement not covered" >self.web(req, res); </span>};</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  this._server  = this.options.ssl ?</span>
    https.createServer(this.options.ssl, closure) :
    http.createServer(closure);
&nbsp;
<span class="cstat-no" title="statement not covered" >  if(this.options.ws) {</span>
<span class="cstat-no" title="statement not covered" >    this._server.on('upgrade', <span class="fstat-no" title="function not covered" >fu</span>nction(req, socket, head) { <span class="cstat-no" title="statement not covered" >self.ws(req, socket, head); </span>});</span>
  }
&nbsp;
<span class="cstat-no" title="statement not covered" >  this._server.listen(port, hostname);</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  return this;</span>
};
&nbsp;
ProxyServer.prototype.close = <span class="fstat-no" title="function not covered" >fu</span>nction(callback) {
  var self = <span class="cstat-no" title="statement not covered" >this;</span>
<span class="cstat-no" title="statement not covered" >  if (this._server) {</span>
<span class="cstat-no" title="statement not covered" >    this._server.close(done);</span>
  }
&nbsp;
  // Wrap callback to nullify server after all open connections are closed.
  function <span class="fstat-no" title="function not covered" >done(</span>) {
<span class="cstat-no" title="statement not covered" >    self._server = null;</span>
<span class="cstat-no" title="statement not covered" >    if (callback) {</span>
<span class="cstat-no" title="statement not covered" >      callback.apply(null, arguments);</span>
    }
  };
};
&nbsp;
ProxyServer.prototype.before = <span class="fstat-no" title="function not covered" >fu</span>nction(type, passName, callback) {
<span class="cstat-no" title="statement not covered" >  if (type !== 'ws' &amp;&amp; type !== 'web') {</span>
<span class="cstat-no" title="statement not covered" >    throw new Error('type must be `web` or `ws`');</span>
  }
  var passes = <span class="cstat-no" title="statement not covered" >(type === 'ws') ? this.wsPasses : this.webPasses,</span>
      i = <span class="cstat-no" title="statement not covered" >false;</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  passes.forEach(<span class="fstat-no" title="function not covered" >fu</span>nction(v, idx) {</span>
<span class="cstat-no" title="statement not covered" >    if(v.name === passName) <span class="cstat-no" title="statement not covered" >i = idx;</span></span>
  })
&nbsp;
<span class="cstat-no" title="statement not covered" >  if(i === false) <span class="cstat-no" title="statement not covered" >throw new Error('No such pass');</span></span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  passes.splice(i, 0, callback);</span>
};
ProxyServer.prototype.after = <span class="fstat-no" title="function not covered" >fu</span>nction(type, passName, callback) {
<span class="cstat-no" title="statement not covered" >  if (type !== 'ws' &amp;&amp; type !== 'web') {</span>
<span class="cstat-no" title="statement not covered" >    throw new Error('type must be `web` or `ws`');</span>
  }
  var passes = <span class="cstat-no" title="statement not covered" >(type === 'ws') ? this.wsPasses : this.webPasses,</span>
      i = <span class="cstat-no" title="statement not covered" >false;</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  passes.forEach(<span class="fstat-no" title="function not covered" >fu</span>nction(v, idx) {</span>
<span class="cstat-no" title="statement not covered" >    if(v.name === passName) <span class="cstat-no" title="statement not covered" >i = idx;</span></span>
  })
&nbsp;
<span class="cstat-no" title="statement not covered" >  if(i === false) <span class="cstat-no" title="statement not covered" >throw new Error('No such pass');</span></span>
&nbsp;
<span class="cstat-no" title="statement not covered" >  passes.splice(i++, 0, callback);</span>
};
&nbsp;</pre></td></tr>
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