From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- node_modules/body-parser/lib/read.js | 181 +++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 node_modules/body-parser/lib/read.js (limited to 'node_modules/body-parser/lib/read.js') diff --git a/node_modules/body-parser/lib/read.js b/node_modules/body-parser/lib/read.js new file mode 100644 index 0000000..c102609 --- /dev/null +++ b/node_modules/body-parser/lib/read.js @@ -0,0 +1,181 @@ +/*! + * body-parser + * Copyright(c) 2014-2015 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict' + +/** + * Module dependencies. + * @private + */ + +var createError = require('http-errors') +var getBody = require('raw-body') +var iconv = require('iconv-lite') +var onFinished = require('on-finished') +var zlib = require('zlib') + +/** + * Module exports. + */ + +module.exports = read + +/** + * Read a request into a buffer and parse. + * + * @param {object} req + * @param {object} res + * @param {function} next + * @param {function} parse + * @param {function} debug + * @param {object} options + * @private + */ + +function read (req, res, next, parse, debug, options) { + var length + var opts = options + var stream + + // flag as parsed + req._body = true + + // read options + var encoding = opts.encoding !== null + ? opts.encoding + : null + var verify = opts.verify + + try { + // get the content stream + stream = contentstream(req, debug, opts.inflate) + length = stream.length + stream.length = undefined + } catch (err) { + return next(err) + } + + // set raw-body options + opts.length = length + opts.encoding = verify + ? null + : encoding + + // assert charset is supported + if (opts.encoding === null && encoding !== null && !iconv.encodingExists(encoding)) { + return next(createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', { + charset: encoding.toLowerCase(), + type: 'charset.unsupported' + })) + } + + // read body + debug('read body') + getBody(stream, opts, function (error, body) { + if (error) { + var _error + + if (error.type === 'encoding.unsupported') { + // echo back charset + _error = createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', { + charset: encoding.toLowerCase(), + type: 'charset.unsupported' + }) + } else { + // set status code on error + _error = createError(400, error) + } + + // read off entire request + stream.resume() + onFinished(req, function onfinished () { + next(createError(400, _error)) + }) + return + } + + // verify + if (verify) { + try { + debug('verify body') + verify(req, res, body, encoding) + } catch (err) { + next(createError(403, err, { + body: body, + type: err.type || 'entity.verify.failed' + })) + return + } + } + + // parse + var str = body + try { + debug('parse body') + str = typeof body !== 'string' && encoding !== null + ? iconv.decode(body, encoding) + : body + req.body = parse(str) + } catch (err) { + next(createError(400, err, { + body: str, + type: err.type || 'entity.parse.failed' + })) + return + } + + next() + }) +} + +/** + * Get the content stream of the request. + * + * @param {object} req + * @param {function} debug + * @param {boolean} [inflate=true] + * @return {object} + * @api private + */ + +function contentstream (req, debug, inflate) { + var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase() + var length = req.headers['content-length'] + var stream + + debug('content-encoding "%s"', encoding) + + if (inflate === false && encoding !== 'identity') { + throw createError(415, 'content encoding unsupported', { + encoding: encoding, + type: 'encoding.unsupported' + }) + } + + switch (encoding) { + case 'deflate': + stream = zlib.createInflate() + debug('inflate body') + req.pipe(stream) + break + case 'gzip': + stream = zlib.createGunzip() + debug('gunzip body') + req.pipe(stream) + break + case 'identity': + stream = req + stream.length = length + break + default: + throw createError(415, 'unsupported content encoding "' + encoding + '"', { + encoding: encoding, + type: 'encoding.unsupported' + }) + } + + return stream +} -- cgit v1.2.3