payload-totp/dist/api/verifyToken.js

Add an extra security layer to PayloadCMS using a Time-based One-time Password (TOTP).

import { Secret, TOTP } from 'otpauth';
import { setCookie } from '../setCookie.js';
import { getTotpSecret } from '../utilities/getTotpSecret.js';
export function verifyToken(pluginOptions) {
    const handler = async (req)=>{
        const { payload, user } = req;
        const i18n = req.i18n;
        if (!user) {
            return Response.json({
                message: i18n.t('error:unauthorized'),
                ok: false
            });
        }
        if (!user.hasTotp) {
            return Response.json({
                message: i18n.t('error:unauthorized'),
                ok: false
            });
        }
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        let data;
        try {
            data = req.json && await req.json();
        // eslint-disable-next-line @typescript-eslint/no-unused-vars, no-empty
        } catch (err) {}
        if (typeof data !== 'object' || typeof data['token'] !== 'string') {
            return Response.json({
                message: i18n.t('error:unspecific'),
                ok: false
            });
        }
        const totpSecret = await getTotpSecret({
            collection: pluginOptions.collection,
            payload,
            user
        });
        const totp = new TOTP({
            algorithm: pluginOptions.totp?.algorithm || 'SHA1',
            digits: pluginOptions.totp?.digits || 6,
            issuer: pluginOptions.totp?.issuer || 'Payload',
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-ignore
            label: user.email || user.username,
            period: pluginOptions.totp?.period || 30,
            secret: Secret.fromBase32(totpSecret)
        });
        const delta = totp.validate({
            token: data['token'].toString(),
            window: 1
        });
        if (delta === null) {
            return Response.json({
                message: i18n.t('totpPlugin:setup:incorrectCode'),
                ok: false
            });
        }
        const collection = payload.collections[pluginOptions.collection];
        await setCookie({
            authConfig: collection.config.auth,
            cookiePrefix: payload.config.cookiePrefix,
            secret: payload.secret,
            user
        });
        return Response.json({
            ok: true
        });
    };
    return handler;
}

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