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-rw-r--r--dgbuilder/dgeflows/node_modules/body-parser/lib/read.js153
1 files changed, 153 insertions, 0 deletions
diff --git a/dgbuilder/dgeflows/node_modules/body-parser/lib/read.js b/dgbuilder/dgeflows/node_modules/body-parser/lib/read.js
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index 00000000..0880a3dd
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+++ b/dgbuilder/dgeflows/node_modules/body-parser/lib/read.js
@@ -0,0 +1,153 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var getBody = require('raw-body')
+var iconv = require('iconv-lite')
+var onFinished = require('on-finished')
+var typer = require('media-typer')
+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 {object} options
+ * @api private
+ */
+
+function read(req, res, next, parse, options) {
+ var length
+ var stream
+
+ // flag as parsed
+ req._body = true
+
+ try {
+ stream = contentstream(req, options.inflate)
+ length = stream.length
+ delete stream.length
+ } catch (err) {
+ return next(err)
+ }
+
+ options = options || {}
+ options.length = length
+
+ var encoding = options.encoding !== null
+ ? options.encoding || 'utf-8'
+ : null
+ var verify = options.verify
+
+ options.encoding = verify
+ ? null
+ : encoding
+
+ // read body
+ getBody(stream, options, function (err, body) {
+ if (err) {
+ if (!err.status) {
+ err.status = 400
+ }
+
+ // echo back charset
+ if (err.type === 'encoding.unsupported') {
+ err = new Error('unsupported charset "' + encoding.toUpperCase() + '"')
+ err.charset = encoding.toLowerCase()
+ err.status = 415
+ }
+
+ // read off entire request
+ stream.resume()
+ onFinished(req, function onfinished() {
+ next(err)
+ })
+ return
+ }
+
+ // verify
+ if (verify) {
+ try {
+ verify(req, res, body, encoding)
+ } catch (err) {
+ if (!err.status) err.status = 403
+ return next(err)
+ }
+ }
+
+ // parse
+ try {
+ body = typeof body !== 'string' && encoding !== null
+ ? iconv.decode(body, encoding)
+ : body
+ req.body = parse(body)
+ } catch (err) {
+ if (!err.status) {
+ err.body = body
+ err.status = 400
+ }
+ return next(err)
+ }
+
+ next()
+ })
+}
+
+/**
+ * Get the content stream of the request.
+ *
+ * @param {object} req
+ * @param {boolean} [inflate=true]
+ * @return {object}
+ * @api private
+ */
+
+function contentstream(req, inflate) {
+ var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase()
+ var err
+ var length = req.headers['content-length']
+ var stream
+
+ if (inflate === false && encoding !== 'identity') {
+ err = new Error('content encoding unsupported')
+ err.status = 415
+ throw err
+ }
+
+ switch (encoding) {
+ case 'deflate':
+ stream = zlib.createInflate()
+ req.pipe(stream)
+ break
+ case 'gzip':
+ stream = zlib.createGunzip()
+ req.pipe(stream)
+ break
+ case 'identity':
+ stream = req
+ stream.length = length
+ break
+ default:
+ err = new Error('unsupported content encoding "' + encoding + '"')
+ err.encoding = encoding
+ err.status = 415
+ throw err
+ }
+
+ return stream
+}