e5d578a849
Disable the confirmation dialog when deleting files in the VS Code explorer to streamline the development workflow and reduce friction during file management operations.
134 lines
2.3 KiB
JavaScript
134 lines
2.3 KiB
JavaScript
/*!
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* basic-auth
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* Copyright(c) 2013 TJ Holowaychuk
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* Copyright(c) 2014 Jonathan Ong
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* Copyright(c) 2015-2016 Douglas Christopher Wilson
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* MIT Licensed
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*/
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'use strict'
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/**
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* Module dependencies.
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* @private
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*/
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var Buffer = require('safe-buffer').Buffer
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/**
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* Module exports.
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* @public
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*/
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module.exports = auth
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module.exports.parse = parse
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/**
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* RegExp for basic auth credentials
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*
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* credentials = auth-scheme 1*SP token68
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* auth-scheme = "Basic" ; case insensitive
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* token68 = 1*( ALPHA / DIGIT / "-" / "." / "_" / "~" / "+" / "/" ) *"="
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* @private
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*/
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var CREDENTIALS_REGEXP = /^ *(?:[Bb][Aa][Ss][Ii][Cc]) +([A-Za-z0-9._~+/-]+=*) *$/
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/**
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* RegExp for basic auth user/pass
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*
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* user-pass = userid ":" password
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* userid = *<TEXT excluding ":">
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* password = *TEXT
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* @private
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*/
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var USER_PASS_REGEXP = /^([^:]*):(.*)$/
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/**
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* Parse the Authorization header field of a request.
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*
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* @param {object} req
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* @return {object} with .name and .pass
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* @public
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*/
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function auth (req) {
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if (!req) {
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throw new TypeError('argument req is required')
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}
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if (typeof req !== 'object') {
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throw new TypeError('argument req is required to be an object')
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}
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// get header
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var header = getAuthorization(req)
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// parse header
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return parse(header)
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}
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/**
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* Decode base64 string.
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* @private
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*/
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function decodeBase64 (str) {
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return Buffer.from(str, 'base64').toString()
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}
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/**
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* Get the Authorization header from request object.
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* @private
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*/
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function getAuthorization (req) {
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if (!req.headers || typeof req.headers !== 'object') {
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throw new TypeError('argument req is required to have headers property')
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}
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return req.headers.authorization
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}
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/**
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* Parse basic auth to object.
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*
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* @param {string} string
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* @return {object}
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* @public
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*/
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function parse (string) {
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if (typeof string !== 'string') {
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return undefined
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}
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// parse header
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var match = CREDENTIALS_REGEXP.exec(string)
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if (!match) {
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return undefined
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}
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// decode user pass
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var userPass = USER_PASS_REGEXP.exec(decodeBase64(match[1]))
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if (!userPass) {
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return undefined
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}
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// return credentials object
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return new Credentials(userPass[1], userPass[2])
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}
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/**
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* Object to represent user credentials.
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* @private
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*/
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function Credentials (name, pass) {
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this.name = name
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this.pass = pass
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}
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