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"use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.bearerAuth = void 0;const buffer_1 = require("../../utils/buffer");const TOKEN_STRINGS = '[A-Za-z0-9._~+/-]+=*';const PREFIX = 'Bearer';const bearerAuth = (options) => {    if (!options.token) {        throw new Error('bearer auth middleware requires options for "token"');    }    if (!options.realm) {        options.realm = '';    }    if (!options.prefix) {        options.prefix = PREFIX;    }    const realm = options.realm?.replace(/"/g, '\\"');    return async (c, next) => {        const headerToken = c.req.headers.get('Authorization');        if (!headerToken) {            // No Authorization header            c.res = new Response('Unauthorized', {                status: 401,                headers: {                    'WWW-Authenticate': `${options.prefix} realm="` + realm + '"',                },            });        }        else {            const regexp = new RegExp('^' + options.prefix + ' +(' + TOKEN_STRINGS + ') *$');            const match = regexp.exec(headerToken);            if (!match) {                // Invalid Request                c.res = new Response('Bad Request', {                    status: 400,                    headers: {                        'WWW-Authenticate': `${options.prefix} error="invalid_request"`,                    },                });            }            else {                const equal = await (0, buffer_1.timingSafeEqual)(options.token, match[1], options.hashFunction);                if (!equal) {                    // Invalid Token                    c.res = new Response('Unauthorized', {                        status: 401,                        headers: {                            'WWW-Authenticate': `${options.prefix} error="invalid_token"`,                        },                    });                }                else {                    // Authorize OK                    await next();                    return;                }            }        }    };};exports.bearerAuth = bearerAuth;