first commit

lib/cookies.js

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+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const request =require('request')
+const Headers = require('./headers')
+
+// files & endpoints
+const RAW_COOKIE_FILE = 'raw_jar.txt'
+const JSON_COOKIE_FILE = 'cookies.json'
+const TEST_ENDPOINT = 'https://layla.amazon.de/api/devices/device'
+
+// Returns the full raw cookies path
+const getRawCookiePath = data_dir => path.join(data_dir, RAW_COOKIE_FILE)
+// Checks if the JSON cookie file exists
+const getJsonCookiePath = data_dir => path.join(data_dir, JSON_COOKIE_FILE)
+// Checks if the raw cookie file exists
+const checkRawCookiesExist = data_dir => fs.existsSync(getRawCookiePath(data_dir))
+// Checks if the JSON cookie file exists
+const checkJsonCookiesExist = data_dir => fs.existsSync(getJsonCookiePath(data_dir))
+// Checks if the raw cookie file exists
+const deleteRawCookies = data_dir => fs.removeSync(getRawCookiePath(data_dir))
+// Checks if the JSON cookie file exists
+const deleteJsonCookies = data_dir => fs.removeSync(getJsonCookiePath(data_dir))
+// Returns the cookies as a header compatible string
+const transformCookiesForHeader = json_cookies => {
+  let string_cookies = ''
+  json_cookies.forEach(cookie => {
+    Object.keys(cookie).forEach(key => {
+      if (key == 'name') return
+      string_cookies += key == 'value' ? cookie.name + '=' + cookie.value : key + '=' + cookie[key]
+      string_cookies += ';'
+    })
+  })
+  return string_cookies
+}
+// Validate the cookie 
+const validateCookie = (data_dir) => {
+  const json_cookies = require(path.join(data_dir, JSON_COOKIE_FILE))
+  const string_cookies = transformCookiesForHeader(json_cookies)
+  const headers = Headers.getFetchHeaders(string_cookies)
+  return new Promise((resolve, reject) => {
+    request.get({headers, url: TEST_ENDPOINT},  (error, response, body) => {
+      try {
+        let contents = JSON.parse(body)
+        if (contents.devices) {
+          resolve([true, contents])
+        } else {
+          reject([false, null])
+        }
+      } catch (e) {
+        reject([false, body])
+      }
+    })
+  })
+}
+
+module.exports = {
+  getRawCookiePath,
+  getJsonCookiePath,
+  checkRawCookiesExist,
+  checkJsonCookiesExist,
+  deleteRawCookies,
+  deleteJsonCookies,
+  validateCookie,
+  transformCookiesForHeader,
+  RAW_COOKIE_FILE,
+  JSON_COOKIE_FILE,
+}