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copied!<p><strong>Security concern using express.bodyParser()</strong></p> <p>While all the other answers currently recommend using the <code>express.bodyParser()</code> middleware, this is actually a wrapper around the <code>express.json()</code>, <code>express.urlencoded()</code>, and <code>express.multipart()</code> middlewares (<a href="http://expressjs.com/api.html#bodyParser">http://expressjs.com/api.html#bodyParser</a>). The parsing of form request bodies is done by the <code>express.urlencoded()</code> middleware and is all that you need to expose your form data on <code>req.body</code> object.</p> <p>Due to a <a href="https://groups.google.com/forum/#!msg/express-js/iP2VyhkypHo/5AXQiYN3RPcJ">security concern</a> with how <code>express.multipart()</code>/<code>connect.multipart()</code> creates temporary files for all uploaded files (and are not garbage collected), it is now <em><a href="https://github.com/senchalabs/connect/wiki/Connect-3.0">recommended</a></em> not to use the <code>express.bodyParser()</code> wrapper but instead use only the middlewares you need.</p> <p>Note: <code>connect.bodyParser()</code> will soon be updated to only include <code>urlencoded</code> and <code>json</code> when Connect 3.0 is released (which Express extends).</p> <hr> <p>So in short, instead of ...</p> <pre><code>app.use(express.bodyParser()); </code></pre> <p>...you should use</p> <pre><code>app.use(express.urlencoded()); app.use(express.json()); // if needed </code></pre> <p>and if/when you need to handle multipart forms (file uploads), use a third party library or middleware such as multiparty, busboy, dicer, etc.</p>

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