feat: new auth mechnasimn via http post (#99)

* Added HTTP Authentication

* Fixed sample config

* Added filter by status code

config.js

@@ -67,4 +67,11 @@ module.exports = {
 		validHosts: ['gmail.com']
 	}
 	 */
+	 
+	/** HTTP AUTH 
+	authentication: 'HTTPAuth',
+	authenticationOptions: {
+		url: 'https://my-website.com/api/backend-login'
+	}
+	*/
 };

package.json

@@ -31,6 +31,7 @@
 	"main": "dist/app.js",
 	"dependencies": {
 		"@hokify/node-ts-cache": "^5.4.1",
+		"axios": "^0.21.1",
 		"debug": "^4.3.1",
 		"imap-simple": "^5.0.0",
 		"ldapauth-fork": "^5.0.1",

src/auth/HTTPAuth.ts

+import axios from 'axios';
+import { IAuthentication } from '../types/Authentication';
+
+interface IHTTPAuthOptions {
+	url: string;
+}
+
+export class HTTPAuth implements IAuthentication {
+	private url: string;
+
+	constructor(config: IHTTPAuthOptions) {
+		this.url = config.url;
+	}
+
+	async authenticate(username: string, password: string) {
+		let success = false;
+		try {
+			await axios
+				.post(
+					this.url,
+					{
+						username,
+						password,
+					},
+					{
+						validateStatus(status) {
+							return status >= 200 && status < 500;
+						},
+					}
+				)
+				.then((res) => {
+					console.log(`Code: ${res.status}`);
+					if (res.status === 200) {
+						success = true;
+						console.log('Return code 200, HTTP authentication successful');
+					} else {
+						console.log('HTTP authentication failed');
+					}
+				});
+		} catch (err) {
+			console.error('HTTP response error');
+		}
+		return success;
+	}
+}