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raw-body

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raw-body

Get and validate the raw body of a readable stream.

  • 3.0.0
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
32M
decreased by-13.01%
Maintainers
2
Weekly downloads
 
Created

What is raw-body?

The raw-body npm package is used to obtain the raw body of an incoming stream and supports decoding, parsing, and handling of different encodings. It is commonly used in the context of HTTP server handling, where it can be used to read and parse request bodies before they are processed by request handlers or middleware.

What are raw-body's main functionalities?

Getting raw body from a stream

This code creates an HTTP server that uses raw-body to read the request body as a string. It takes into account the content length and encoding specified in the request headers.

const http = require('http');
const getRawBody = require('raw-body');

http.createServer((req, res) => {
  getRawBody(req, {
    length: req.headers['content-length'],
    encoding: 'utf8'
  }, function (err, string) {
    if (err) return res.end('Error');
    res.end('Received: ' + string);
  });
}).listen(3000);

Handling different encodings

This code demonstrates how to use raw-body to handle different text encodings by specifying the encoding option. The promise interface is used for asynchronous handling.

const getRawBody = require('raw-body');

function handleRequest(req) {
  return getRawBody(req, {
    encoding: 'utf8'
  }).then(body => {
    // body is now a string in utf8 encoding
  }).catch(err => {
    // handle error
  });
}

Limiting body size

This code shows how to limit the size of the request body using raw-body by setting a limit option, which can help prevent denial of service attacks or other resource exhaustion issues.

const getRawBody = require('raw-body');

function handleRequest(req) {
  return getRawBody(req, {
    limit: '1mb'
  }).then(body => {
    // body will not be larger than 1mb
  }).catch(err => {
    // handle error if body is too large
  });
}

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Package last updated on 25 Jul 2024

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