dynatrace-cordova-outsystems-plugin/node_modules/request/lib/har.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

'use strict'

var fs = require('fs')
var qs = require('querystring')
var validate = require('har-validator')
var extend = require('extend')

function Har (request) {
  this.request = request
}

Har.prototype.reducer = function (obj, pair) {
  // new property ?
  if (obj[pair.name] === undefined) {
    obj[pair.name] = pair.value
    return obj
  }

  // existing? convert to array
  var arr = [
    obj[pair.name],
    pair.value
  ]

  obj[pair.name] = arr

  return obj
}

Har.prototype.prep = function (data) {
  // construct utility properties
  data.queryObj = {}
  data.headersObj = {}
  data.postData.jsonObj = false
  data.postData.paramsObj = false

  // construct query objects
  if (data.queryString && data.queryString.length) {
    data.queryObj = data.queryString.reduce(this.reducer, {})
  }

  // construct headers objects
  if (data.headers && data.headers.length) {
    // loweCase header keys
    data.headersObj = data.headers.reduceRight(function (headers, header) {
      headers[header.name] = header.value
      return headers
    }, {})
  }

  // construct Cookie header
  if (data.cookies && data.cookies.length) {
    var cookies = data.cookies.map(function (cookie) {
      return cookie.name + '=' + cookie.value
    })

    if (cookies.length) {
      data.headersObj.cookie = cookies.join('; ')
    }
  }

  // prep body
  function some (arr) {
    return arr.some(function (type) {
      return data.postData.mimeType.indexOf(type) === 0
    })
  }

  if (some([
    'multipart/mixed',
    'multipart/related',
    'multipart/form-data',
    'multipart/alternative'])) {

    // reset values
    data.postData.mimeType = 'multipart/form-data'
  }

  else if (some([
    'application/x-www-form-urlencoded'])) {

    if (!data.postData.params) {
      data.postData.text = ''
    } else {
      data.postData.paramsObj = data.postData.params.reduce(this.reducer, {})

      // always overwrite
      data.postData.text = qs.stringify(data.postData.paramsObj)
    }
  }

  else if (some([
    'text/json',
    'text/x-json',
    'application/json',
    'application/x-json'])) {

    data.postData.mimeType = 'application/json'

    if (data.postData.text) {
      try {
        data.postData.jsonObj = JSON.parse(data.postData.text)
      } catch (e) {
        this.request.debug(e)

        // force back to text/plain
        data.postData.mimeType = 'text/plain'
      }
    }
  }

  return data
}

Har.prototype.options = function (options) {
  // skip if no har property defined
  if (!options.har) {
    return options
  }

  var har = {}
  extend(har, options.har)

  // only process the first entry
  if (har.log && har.log.entries) {
    har = har.log.entries[0]
  }

  // add optional properties to make validation successful
  har.url = har.url || options.url || options.uri || options.baseUrl || '/'
  har.httpVersion = har.httpVersion || 'HTTP/1.1'
  har.queryString = har.queryString || []
  har.headers = har.headers || []
  har.cookies = har.cookies || []
  har.postData = har.postData || {}
  har.postData.mimeType = har.postData.mimeType || 'application/octet-stream'

  har.bodySize = 0
  har.headersSize = 0
  har.postData.size = 0

  if (!validate.request(har)) {
    return options
  }

  // clean up and get some utility properties
  var req = this.prep(har)

  // construct new options
  if (req.url) {
    options.url = req.url
  }

  if (req.method) {
    options.method = req.method
  }

  if (Object.keys(req.queryObj).length) {
    options.qs = req.queryObj
  }

  if (Object.keys(req.headersObj).length) {
    options.headers = req.headersObj
  }

  function test (type) {
    return req.postData.mimeType.indexOf(type) === 0
  }
  if (test('application/x-www-form-urlencoded')) {
    options.form = req.postData.paramsObj
  }
  else if (test('application/json')) {
    if (req.postData.jsonObj) {
      options.body = req.postData.jsonObj
      options.json = true
    }
  }
  else if (test('multipart/form-data')) {
    options.formData = {}

    req.postData.params.forEach(function (param) {
      var attachment = {}

      if (!param.fileName && !param.fileName && !param.contentType) {
        options.formData[param.name] = param.value
        return
      }

      // attempt to read from disk!
      if (param.fileName && !param.value) {
        attachment.value = fs.createReadStream(param.fileName)
      } else if (param.value) {
        attachment.value = param.value
      }

      if (param.fileName) {
        attachment.options = {
          filename: param.fileName,
          contentType: param.contentType ? param.contentType : null
        }
      }

      options.formData[param.name] = attachment
    })
  }
  else {
    if (req.postData.text) {
      options.body = req.postData.text
    }
  }

  return options
}

exports.Har = Har