49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
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import { Authenticator, TOTP } from "@otplib/core";
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import type { AuthenticatorOptions } from "@otplib/core/authenticator";
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import type { TOTPOptions } from "@otplib/core/totp";
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import { createDigest, createRandomBytes } from "@otplib/plugin-crypto";
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import { keyDecoder, keyEncoder } from "@otplib/plugin-thirty-two";
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/**
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* Checks the validity of a TOTP token using a base32-encoded secret.
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*
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* @param token - The token.
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* @param secret - The base32-encoded shared secret.
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* @param opts - The AuthenticatorOptions object.
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* @param opts.window - The amount of past and future tokens considered valid. Either a single value or array of `[past, future]`. Default: `[1, 0]`
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*/
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export const totpAuthenticatorCheck = (
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token: string,
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secret: string,
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opts: Partial<AuthenticatorOptions> = {}
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) => {
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const { window = [1, 0], ...rest } = opts;
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const authenticator = new Authenticator({
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createDigest,
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createRandomBytes,
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keyDecoder,
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keyEncoder,
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window,
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...rest,
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});
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return authenticator.check(token, secret);
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};
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/**
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* Checks the validity of a TOTP token using a raw secret.
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*
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* @param token - The token.
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* @param secret - The raw hex-encoded shared secret.
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* @param opts - The TOTPOptions object.
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* @param opts.window - The amount of past and future tokens considered valid. Either a single value or array of `[past, future]`. Default: `[1, 0]`
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*/
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export const totpRawCheck = (token: string, secret: string, opts: Partial<TOTPOptions> = {}) => {
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const { window = [1, 0], ...rest } = opts;
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const authenticator = new TOTP({
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createDigest,
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window,
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...rest,
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});
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return authenticator.check(token, secret);
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};
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