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| author | nanalelfe <nargiza.nosirova@mail.utoronto.ca> | 2016-07-18 10:54:08 +0000 |
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| committer | nanalelfe <nargiza.nosirova@mail.utoronto.ca> | 2016-07-18 10:54:08 +0000 |
| commit | a35da9f9ccc1124d9b6f4461c7216ffbb0285e2f (patch) | |
| tree | d5b4b8548caae36a20e1258a8341dab4b3d522d2 /node_modules/raw-body/README.md | |
| parent | 16bbc66ebafc6f1a55e47dbda3f3c0f658fe715c (diff) | |
| parent | c1ce89359a7b54ec97b54ce577e5534c180c5c4b (diff) | |
merged
Diffstat (limited to 'node_modules/raw-body/README.md')
| -rw-r--r-- | node_modules/raw-body/README.md | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/node_modules/raw-body/README.md b/node_modules/raw-body/README.md new file mode 100644 index 0000000..5799c82 --- /dev/null +++ b/node_modules/raw-body/README.md @@ -0,0 +1,126 @@ +# raw-body + +[![NPM Version][npm-image]][npm-url] +[![NPM Downloads][downloads-image]][downloads-url] +[![Node.js Version][node-version-image]][node-version-url] +[![Build status][travis-image]][travis-url] +[![Test coverage][coveralls-image]][coveralls-url] + +Gets the entire buffer of a stream either as a `Buffer` or a string. +Validates the stream's length against an expected length and maximum limit. +Ideal for parsing request bodies. + +## API + +```js +var getRawBody = require('raw-body') +``` + +### getRawBody(stream, [options], [callback]) + +**Returns a promise if no callback specified and global `Promise` exists.** + +Options: + +- `length` - The length of the stream. + If the contents of the stream do not add up to this length, + an `400` error code is returned. +- `limit` - The byte limit of the body. + If the body ends up being larger than this limit, + a `413` error code is returned. +- `encoding` - The requested encoding. + By default, a `Buffer` instance will be returned. + Most likely, you want `utf8`. + You can use any type of encoding supported by [iconv-lite](https://www.npmjs.org/package/iconv-lite#readme). + +You can also pass a string in place of options to just specify the encoding. + +`callback(err, res)`: + +- `err` - the following attributes will be defined if applicable: + + - `limit` - the limit in bytes + - `length` and `expected` - the expected length of the stream + - `received` - the received bytes + - `encoding` - the invalid encoding + - `status` and `statusCode` - the corresponding status code for the error + - `type` - either `entity.too.large`, `request.aborted`, `request.size.invalid`, `stream.encoding.set`, or `encoding.unsupported` + +- `res` - the result, either as a `String` if an encoding was set or a `Buffer` otherwise. + +If an error occurs, the stream will be paused, everything unpiped, +and you are responsible for correctly disposing the stream. +For HTTP requests, no handling is required if you send a response. +For streams that use file descriptors, you should `stream.destroy()` or `stream.close()` to prevent leaks. + +## Examples + +### Simple Express example + +```js +var getRawBody = require('raw-body') +var typer = require('media-typer') + +app.use(function (req, res, next) { + getRawBody(req, { + length: req.headers['content-length'], + limit: '1mb', + encoding: typer.parse(req.headers['content-type']).parameters.charset + }, function (err, string) { + if (err) return next(err) + req.text = string + next() + }) +}) +``` + +### Simple Koa example + +```js +app.use(function* (next) { + var string = yield getRawBody(this.req, { + length: this.length, + limit: '1mb', + encoding: this.charset + }) +}) +``` + +### Using as a promise + +To use this library as a promise, simply omit the `callback` and a promise is +returned, provided that a global `Promise` is defined. + +```js +var getRawBody = require('raw-body') +var http = require('http') + +var server = http.createServer(function (req, res) { + getRawBody(req) + .then(function (buf) { + res.statusCode = 200 + res.end(buf.length + ' bytes submitted') + }) + .catch(function (err) { + res.statusCode = 500 + res.end(err.message) + }) +}) + +server.listen(3000) +``` + +## License + +[MIT](LICENSE) + +[npm-image]: https://img.shields.io/npm/v/raw-body.svg +[npm-url]: https://npmjs.org/package/raw-body +[node-version-image]: https://img.shields.io/node/v/raw-body.svg +[node-version-url]: http://nodejs.org/download/ +[travis-image]: https://img.shields.io/travis/stream-utils/raw-body/master.svg +[travis-url]: https://travis-ci.org/stream-utils/raw-body +[coveralls-image]: https://img.shields.io/coveralls/stream-utils/raw-body/master.svg +[coveralls-url]: https://coveralls.io/r/stream-utils/raw-body?branch=master +[downloads-image]: https://img.shields.io/npm/dm/raw-body.svg +[downloads-url]: https://npmjs.org/package/raw-body |
