kaven-utils
Version:
Utils for Node.js.
63 lines (62 loc) • 2.45 kB
JavaScript
/********************************************************************
* @author: Kaven
* @email: kaven@wuwenkai.com
* @website: http://blog.kaven.xyz
* @file: [Kaven-Utils] /src/net/authentication/KavenBasicAuthentication.ts
* @create: 2019-03-26 13:54:54.865
* @modify: 2023-12-07 17:36:42.385
* @version: 5.4.0
* @times: 31
* @lines: 78
* @copyright: Copyright © 2019-2023 Kaven. All Rights Reserved.
* @description: [description]
* @license: [license]
********************************************************************/
import { InternalLogger } from "../../KavenUtility.Internal.js";
import { KavenAuthentication } from "./KavenAuthentication.js";
export class KavenBasicAuthentication extends KavenAuthentication {
Name = "Basic";
async Authenticate(req) {
try {
const authStr = req.authorization;
if (!authStr || !authStr.startsWith(this.Name)) {
return false;
}
let authentication = authStr.TrimStart(this.Name, 1).trimStart();
authentication = (Buffer.from(authentication, "base64")).toString("utf8");
const loginInfo = authentication.split(":");
const [username, password] = loginInfo;
const key = `${username}${req.ip ?? ""}`;
if (!this.CanAuthenticate(key)) {
return false;
}
if (username !== this.UserName) {
this.AddRecord(key, false);
return false;
}
if (password !== this.Password) {
this.AddRecord(key, false);
return false;
}
this.AddRecord(key, true);
return true;
}
catch (ex) {
InternalLogger()?.Warn(ex);
return false;
}
}
Update(response) {
response.AddHeader(this.ResponseHeaderName, `${this.Name} realm="${this.Realm}"`);
return response;
}
static CreateHeader(username, password) {
// Combine username and password with a colon
const credentials = `${username}:${password}`;
// Encode credentials in Base64
const base64Credentials = Buffer.from(credentials, "utf-8").toString("base64");
// Construct the Basic Authentication header
const basicAuthHeader = `Basic ${base64Credentials}`;
return basicAuthHeader;
}
}