'use strict' const corsSafeListedMethods = ['GET', 'HEAD', 'POST'] const corsSafeListedMethodsSet = new Set(corsSafeListedMethods) const nullBodyStatus = [101, 204, 205, 304] const redirectStatus = [301, 302, 303, 307, 308] const redirectStatusSet = new Set(redirectStatus) // https://fetch.spec.whatwg.org/#block-bad-port const badPorts = [ '1', '7', '9', '11', '13', '15', '17', '19', '20', '21', '22', '23', '25', '37', '42', '43', '53', '69', '77', '79', '87', '95', '101', '102', '103', '104', '109', '110', '111', '113', '115', '117', '119', '123', '135', '137', '139', '143', '161', '179', '389', '427', '465', '512', '513', '514', '515', '526', '530', '531', '532', '540', '548', '554', '556', '563', '587', '601', '636', '989', '990', '993', '995', '1719', '1720', '1723', '2049', '3659', '4045', '4190', '5060', '5061', '6000', '6566', '6665', '6666', '6667', '6668', '6669', '6679', '6697', '10080' ] const badPortsSet = new Set(badPorts) // https://w3c.github.io/webappsec-referrer-policy/#referrer-policies const referrerPolicy = [ '', 'no-referrer', 'no-referrer-when-downgrade', 'same-origin', 'origin', 'strict-origin', 'origin-when-cross-origin', 'strict-origin-when-cross-origin', 'unsafe-url' ] const referrerPolicySet = new Set(referrerPolicy) const requestRedirect = ['follow', 'manual', 'error'] const safeMethods = ['GET', 'HEAD', 'OPTIONS', 'TRACE'] const safeMethodsSet = new Set(safeMethods) const requestMode = ['navigate', 'same-origin', 'no-cors', 'cors'] const requestCredentials = ['omit', 'same-origin', 'include'] const requestCache = [ 'default', 'no-store', 'reload', 'no-cache', 'force-cache', 'only-if-cached' ] // https://fetch.spec.whatwg.org/#request-body-header-name const requestBodyHeader = [ 'content-encoding', 'content-language', 'content-location', 'content-type', // See https://github.com/nodejs/undici/issues/2021 // 'Content-Length' is a forbidden header name, which is typically // removed in the Headers implementation. However, undici doesn't // filter out headers, so we add it here. 'content-length' ] // https://fetch.spec.whatwg.org/#enumdef-requestduplex const requestDuplex = [ 'half' ] // http://fetch.spec.whatwg.org/#forbidden-method const forbiddenMethods = ['CONNECT', 'TRACE', 'TRACK'] const forbiddenMethodsSet = new Set(forbiddenMethods) const subresource = [ 'audio', 'audioworklet', 'font', 'image', 'manifest', 'paintworklet', 'script', 'style', 'track', 'video', 'xslt', '' ] const subresourceSet = new Set(subresource) module.exports = { subresource, forbiddenMethods, requestBodyHeader, referrerPolicy, requestRedirect, requestMode, requestCredentials, requestCache, redirectStatus, corsSafeListedMethods, nullBodyStatus, safeMethods, badPorts, requestDuplex, subresourceSet, badPortsSet, redirectStatusSet, corsSafeListedMethodsSet, safeMethodsSet, forbiddenMethodsSet, referrerPolicySet }