hsts-parser

HTTP Strict Transport Security(HSTS) header field parser.

Compliant with RFC 6797, 6.1. Strict-Transport-Security HTTP Response Header Field.

Strict Transport Security

StrictTransportSecurity is a structured object of Strict-Transport-Security header .

Name	Type	Required	Description
maxAge	`number`	:white_check_mark:	The number of seconds, after the reception of the STS header field, during which the UA regards the host.
includeSubDomains	`boolean`	-	Whether the rule applies to all subdomains or not.
preload	`boolean`	-	Whether the domain do preload or not.

Serialization

Serializes Strict Transport Security into string.

import { stringify } from "https://deno.land/x/hsts_parser@$VERSION/mod.ts";
import { assertEquals } from "https://deno.land/std/testing/asserts.ts";

assertEquals(
  stringify({
    maxAge: 60 * 60 * 24 * 180,
    includeSubDomains: true,
    preload: true,
  }),
  "max-age=15552000; includeSubDomains; preload",
);

Throwing error

Throws TypeError if Strict Transport Security contains errors.

import { stringify } from "https://deno.land/x/hsts_parser@$VERSION/mod.ts";
import { assertThrows } from "https://deno.land/std/testing/asserts.ts";

assertThrows(() => stringify({ maxAge: NaN }));

License

Released under the MIT license