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Diffstat (limited to 'node_modules/undici/lib/fetch/constants.js')
-rw-r--r-- | node_modules/undici/lib/fetch/constants.js | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/node_modules/undici/lib/fetch/constants.js b/node_modules/undici/lib/fetch/constants.js new file mode 100644 index 0000000..218fcbe --- /dev/null +++ b/node_modules/undici/lib/fetch/constants.js @@ -0,0 +1,151 @@ +'use strict' + +const { MessageChannel, receiveMessageOnPort } = require('worker_threads') + +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', '5060', '5061', '6000', '6566', '6665', '6666', '6667', '6668', '6669', '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) + +/** @type {globalThis['DOMException']} */ +const DOMException = globalThis.DOMException ?? (() => { + // DOMException was only made a global in Node v17.0.0, + // but fetch supports >= v16.8. + try { + atob('~') + } catch (err) { + return Object.getPrototypeOf(err).constructor + } +})() + +let channel + +/** @type {globalThis['structuredClone']} */ +const structuredClone = + globalThis.structuredClone ?? + // https://github.com/nodejs/node/blob/b27ae24dcc4251bad726d9d84baf678d1f707fed/lib/internal/structured_clone.js + // structuredClone was added in v17.0.0, but fetch supports v16.8 + function structuredClone (value, options = undefined) { + if (arguments.length === 0) { + throw new TypeError('missing argument') + } + + if (!channel) { + channel = new MessageChannel() + } + channel.port1.unref() + channel.port2.unref() + channel.port1.postMessage(value, options?.transfer) + return receiveMessageOnPort(channel.port2).message + } + +module.exports = { + DOMException, + structuredClone, + subresource, + forbiddenMethods, + requestBodyHeader, + referrerPolicy, + requestRedirect, + requestMode, + requestCredentials, + requestCache, + redirectStatus, + corsSafeListedMethods, + nullBodyStatus, + safeMethods, + badPorts, + requestDuplex, + subresourceSet, + badPortsSet, + redirectStatusSet, + corsSafeListedMethodsSet, + safeMethodsSet, + forbiddenMethodsSet, + referrerPolicySet +} |