chore: add rate limiting

node_modules/uid-safe/index.js

@@ -0,0 +1,107 @@
+/*!
+ * uid-safe
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var randomBytes = require('random-bytes')
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var EQUAL_END_REGEXP = /=+$/
+var PLUS_GLOBAL_REGEXP = /\+/g
+var SLASH_GLOBAL_REGEXP = /\//g
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = uid
+module.exports.sync = uidSync
+
+/**
+ * Create a unique ID.
+ *
+ * @param {number} length
+ * @param {function} [callback]
+ * @return {Promise}
+ * @public
+ */
+
+function uid (length, callback) {
+  // validate callback is a function, if provided
+  if (callback !== undefined && typeof callback !== 'function') {
+    throw new TypeError('argument callback must be a function')
+  }
+
+  // require the callback without promises
+  if (!callback && !global.Promise) {
+    throw new TypeError('argument callback is required')
+  }
+
+  if (callback) {
+    // classic callback style
+    return generateUid(length, callback)
+  }
+
+  return new Promise(function executor (resolve, reject) {
+    generateUid(length, function onUid (err, str) {
+      if (err) return reject(err)
+      resolve(str)
+    })
+  })
+}
+
+/**
+ * Create a unique ID sync.
+ *
+ * @param {number} length
+ * @return {string}
+ * @public
+ */
+
+function uidSync (length) {
+  return toString(randomBytes.sync(length))
+}
+
+/**
+ * Generate a unique ID string.
+ *
+ * @param {number} length
+ * @param {function} callback
+ * @private
+ */
+
+function generateUid (length, callback) {
+  randomBytes(length, function (err, buf) {
+    if (err) return callback(err)
+    callback(null, toString(buf))
+  })
+}
+
+/**
+ * Change a Buffer into a string.
+ *
+ * @param {Buffer} buf
+ * @return {string}
+ * @private
+ */
+
+function toString (buf) {
+  return buf.toString('base64')
+    .replace(EQUAL_END_REGEXP, '')
+    .replace(PLUS_GLOBAL_REGEXP, '-')
+    .replace(SLASH_GLOBAL_REGEXP, '_')
+}

node_modules/uid-safe/package.json

@@ -0,0 +1,46 @@
+{
+  "name": "uid-safe",
+  "description": "URL and cookie safe UIDs",
+  "version": "2.1.5",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "crypto-utils/uid-safe",
+  "dependencies": {
+    "random-bytes": "~1.0.0"
+  },
+  "devDependencies": {
+    "bluebird": "3.5.0",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-node": "5.1.1",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "2.5.3"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --trace-deprecation --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --trace-deprecation --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --trace-deprecation --reporter spec --check-leaks test/"
+  },
+  "keywords": [
+    "random",
+    "generator",
+    "uid",
+    "safe"
+  ]
+}