1 files changed, 117 insertions, 0 deletions
diff --git a/dgbuilder/dgeflows/node_modules/body-parser/lib/types/json.js b/dgbuilder/dgeflows/node_modules/body-parser/lib/types/json.js
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+++ b/dgbuilder/dgeflows/node_modules/body-parser/lib/types/json.js
@@ -0,0 +1,117 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var bytes = require('bytes')
+var read = require('../read')
+var typer = require('media-typer')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = json
+
+/**
+ * RegExp to match the first non-space in a string.
+ *
+ * Allowed whitespace is defined in RFC 7159:
+ *
+ *    ws = *(
+ *            %x20 /              ; Space
+ *            %x09 /              ; Horizontal tab
+ *            %x0A /              ; Line feed or New line
+ *            %x0D )              ; Carriage return
+ */
+
+var firstcharRegExp = /^[\x20\x09\x0a\x0d]*(.)/
+
+/**
+ * Create a middleware to parse JSON bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @api public
+ */
+
+function json(options) {
+  options = options || {}
+
+  var limit = typeof options.limit !== 'number'
+    ? bytes(options.limit || '100kb')
+    : options.limit
+  var inflate = options.inflate !== false
+  var reviver = options.reviver
+  var strict = options.strict !== false
+  var type = options.type || 'json'
+  var verify = options.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  function parse(body) {
+    if (body.length === 0) {
+      // special-case empty json body, as it's a common client-side mistake
+      // TODO: maybe make this configurable or part of "strict" option
+      return {}
+    }
+
+    if (strict) {
+      var first = firstchar(body)
+
+      if (first !== '{' && first !== '[') {
+        throw new Error('invalid json')
+      }
+    }
+
+    return JSON.parse(body, reviver)
+  }
+
+  return function jsonParser(req, res, next) {
+    if (req._body) return next()
+    req.body = req.body || {}
+
+    if (!typeis(req, type)) return next()
+
+    // RFC 7159 sec 8.1
+    var charset = (typer.parse(req).parameters.charset || 'utf-8').toLowerCase()
+    if (charset.substr(0, 4) !== 'utf-') {
+      var err = new Error('unsupported charset "' + charset.toUpperCase() + '"')
+      err.charset = charset
+      err.status = 415
+      next(err)
+      return
+    }
+
+    // read
+    read(req, res, next, parse, {
+      encoding: charset,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Get the first non-whitespace character in a string.
+ *
+ * @param {string} str
+ * @return {function}
+ * @api public
+ */
+
+
+function firstchar(str) {
+  var match = firstcharRegExp.exec(str)
+  return match ? match[1] : ''
+}