diff options
Diffstat (limited to 'node_modules/undici/lib/cookies')
| -rw-r--r-- | node_modules/undici/lib/cookies/constants.js | 12 | ||||
| -rw-r--r-- | node_modules/undici/lib/cookies/index.js | 184 | ||||
| -rw-r--r-- | node_modules/undici/lib/cookies/parse.js | 317 | ||||
| -rw-r--r-- | node_modules/undici/lib/cookies/util.js | 291 |
4 files changed, 804 insertions, 0 deletions
diff --git a/node_modules/undici/lib/cookies/constants.js b/node_modules/undici/lib/cookies/constants.js new file mode 100644 index 0000000..85f1fec --- /dev/null +++ b/node_modules/undici/lib/cookies/constants.js @@ -0,0 +1,12 @@ +'use strict' + +// https://wicg.github.io/cookie-store/#cookie-maximum-attribute-value-size +const maxAttributeValueSize = 1024 + +// https://wicg.github.io/cookie-store/#cookie-maximum-name-value-pair-size +const maxNameValuePairSize = 4096 + +module.exports = { + maxAttributeValueSize, + maxNameValuePairSize +} diff --git a/node_modules/undici/lib/cookies/index.js b/node_modules/undici/lib/cookies/index.js new file mode 100644 index 0000000..c9c1f28 --- /dev/null +++ b/node_modules/undici/lib/cookies/index.js @@ -0,0 +1,184 @@ +'use strict' + +const { parseSetCookie } = require('./parse') +const { stringify, getHeadersList } = require('./util') +const { webidl } = require('../fetch/webidl') +const { Headers } = require('../fetch/headers') + +/** + * @typedef {Object} Cookie + * @property {string} name + * @property {string} value + * @property {Date|number|undefined} expires + * @property {number|undefined} maxAge + * @property {string|undefined} domain + * @property {string|undefined} path + * @property {boolean|undefined} secure + * @property {boolean|undefined} httpOnly + * @property {'Strict'|'Lax'|'None'} sameSite + * @property {string[]} unparsed + */ + +/** + * @param {Headers} headers + * @returns {Record<string, string>} + */ +function getCookies (headers) { + webidl.argumentLengthCheck(arguments, 1, { header: 'getCookies' }) + + webidl.brandCheck(headers, Headers, { strict: false }) + + const cookie = headers.get('cookie') + const out = {} + + if (!cookie) { + return out + } + + for (const piece of cookie.split(';')) { + const [name, ...value] = piece.split('=') + + out[name.trim()] = value.join('=') + } + + return out +} + +/** + * @param {Headers} headers + * @param {string} name + * @param {{ path?: string, domain?: string }|undefined} attributes + * @returns {void} + */ +function deleteCookie (headers, name, attributes) { + webidl.argumentLengthCheck(arguments, 2, { header: 'deleteCookie' }) + + webidl.brandCheck(headers, Headers, { strict: false }) + + name = webidl.converters.DOMString(name) + attributes = webidl.converters.DeleteCookieAttributes(attributes) + + // Matches behavior of + // https://github.com/denoland/deno_std/blob/63827b16330b82489a04614027c33b7904e08be5/http/cookie.ts#L278 + setCookie(headers, { + name, + value: '', + expires: new Date(0), + ...attributes + }) +} + +/** + * @param {Headers} headers + * @returns {Cookie[]} + */ +function getSetCookies (headers) { + webidl.argumentLengthCheck(arguments, 1, { header: 'getSetCookies' }) + + webidl.brandCheck(headers, Headers, { strict: false }) + + const cookies = getHeadersList(headers).cookies + + if (!cookies) { + return [] + } + + // In older versions of undici, cookies is a list of name:value. + return cookies.map((pair) => parseSetCookie(Array.isArray(pair) ? pair[1] : pair)) +} + +/** + * @param {Headers} headers + * @param {Cookie} cookie + * @returns {void} + */ +function setCookie (headers, cookie) { + webidl.argumentLengthCheck(arguments, 2, { header: 'setCookie' }) + + webidl.brandCheck(headers, Headers, { strict: false }) + + cookie = webidl.converters.Cookie(cookie) + + const str = stringify(cookie) + + if (str) { + headers.append('Set-Cookie', stringify(cookie)) + } +} + +webidl.converters.DeleteCookieAttributes = webidl.dictionaryConverter([ + { + converter: webidl.nullableConverter(webidl.converters.DOMString), + key: 'path', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters.DOMString), + key: 'domain', + defaultValue: null + } +]) + +webidl.converters.Cookie = webidl.dictionaryConverter([ + { + converter: webidl.converters.DOMString, + key: 'name' + }, + { + converter: webidl.converters.DOMString, + key: 'value' + }, + { + converter: webidl.nullableConverter((value) => { + if (typeof value === 'number') { + return webidl.converters['unsigned long long'](value) + } + + return new Date(value) + }), + key: 'expires', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters['long long']), + key: 'maxAge', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters.DOMString), + key: 'domain', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters.DOMString), + key: 'path', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters.boolean), + key: 'secure', + defaultValue: null + }, + { + converter: webidl.nullableConverter(webidl.converters.boolean), + key: 'httpOnly', + defaultValue: null + }, + { + converter: webidl.converters.USVString, + key: 'sameSite', + allowedValues: ['Strict', 'Lax', 'None'] + }, + { + converter: webidl.sequenceConverter(webidl.converters.DOMString), + key: 'unparsed', + defaultValue: [] + } +]) + +module.exports = { + getCookies, + deleteCookie, + getSetCookies, + setCookie +} diff --git a/node_modules/undici/lib/cookies/parse.js b/node_modules/undici/lib/cookies/parse.js new file mode 100644 index 0000000..aae2750 --- /dev/null +++ b/node_modules/undici/lib/cookies/parse.js @@ -0,0 +1,317 @@ +'use strict' + +const { maxNameValuePairSize, maxAttributeValueSize } = require('./constants') +const { isCTLExcludingHtab } = require('./util') +const { collectASequenceOfCodePointsFast } = require('../fetch/dataURL') +const assert = require('assert') + +/** + * @description Parses the field-value attributes of a set-cookie header string. + * @see https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4 + * @param {string} header + * @returns if the header is invalid, null will be returned + */ +function parseSetCookie (header) { + // 1. If the set-cookie-string contains a %x00-08 / %x0A-1F / %x7F + // character (CTL characters excluding HTAB): Abort these steps and + // ignore the set-cookie-string entirely. + if (isCTLExcludingHtab(header)) { + return null + } + + let nameValuePair = '' + let unparsedAttributes = '' + let name = '' + let value = '' + + // 2. If the set-cookie-string contains a %x3B (";") character: + if (header.includes(';')) { + // 1. The name-value-pair string consists of the characters up to, + // but not including, the first %x3B (";"), and the unparsed- + // attributes consist of the remainder of the set-cookie-string + // (including the %x3B (";") in question). + const position = { position: 0 } + + nameValuePair = collectASequenceOfCodePointsFast(';', header, position) + unparsedAttributes = header.slice(position.position) + } else { + // Otherwise: + + // 1. The name-value-pair string consists of all the characters + // contained in the set-cookie-string, and the unparsed- + // attributes is the empty string. + nameValuePair = header + } + + // 3. If the name-value-pair string lacks a %x3D ("=") character, then + // the name string is empty, and the value string is the value of + // name-value-pair. + if (!nameValuePair.includes('=')) { + value = nameValuePair + } else { + // Otherwise, the name string consists of the characters up to, but + // not including, the first %x3D ("=") character, and the (possibly + // empty) value string consists of the characters after the first + // %x3D ("=") character. + const position = { position: 0 } + name = collectASequenceOfCodePointsFast( + '=', + nameValuePair, + position + ) + value = nameValuePair.slice(position.position + 1) + } + + // 4. Remove any leading or trailing WSP characters from the name + // string and the value string. + name = name.trim() + value = value.trim() + + // 5. If the sum of the lengths of the name string and the value string + // is more than 4096 octets, abort these steps and ignore the set- + // cookie-string entirely. + if (name.length + value.length > maxNameValuePairSize) { + return null + } + + // 6. The cookie-name is the name string, and the cookie-value is the + // value string. + return { + name, value, ...parseUnparsedAttributes(unparsedAttributes) + } +} + +/** + * Parses the remaining attributes of a set-cookie header + * @see https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4 + * @param {string} unparsedAttributes + * @param {[Object.<string, unknown>]={}} cookieAttributeList + */ +function parseUnparsedAttributes (unparsedAttributes, cookieAttributeList = {}) { + // 1. If the unparsed-attributes string is empty, skip the rest of + // these steps. + if (unparsedAttributes.length === 0) { + return cookieAttributeList + } + + // 2. Discard the first character of the unparsed-attributes (which + // will be a %x3B (";") character). + assert(unparsedAttributes[0] === ';') + unparsedAttributes = unparsedAttributes.slice(1) + + let cookieAv = '' + + // 3. If the remaining unparsed-attributes contains a %x3B (";") + // character: + if (unparsedAttributes.includes(';')) { + // 1. Consume the characters of the unparsed-attributes up to, but + // not including, the first %x3B (";") character. + cookieAv = collectASequenceOfCodePointsFast( + ';', + unparsedAttributes, + { position: 0 } + ) + unparsedAttributes = unparsedAttributes.slice(cookieAv.length) + } else { + // Otherwise: + + // 1. Consume the remainder of the unparsed-attributes. + cookieAv = unparsedAttributes + unparsedAttributes = '' + } + + // Let the cookie-av string be the characters consumed in this step. + + let attributeName = '' + let attributeValue = '' + + // 4. If the cookie-av string contains a %x3D ("=") character: + if (cookieAv.includes('=')) { + // 1. The (possibly empty) attribute-name string consists of the + // characters up to, but not including, the first %x3D ("=") + // character, and the (possibly empty) attribute-value string + // consists of the characters after the first %x3D ("=") + // character. + const position = { position: 0 } + + attributeName = collectASequenceOfCodePointsFast( + '=', + cookieAv, + position + ) + attributeValue = cookieAv.slice(position.position + 1) + } else { + // Otherwise: + + // 1. The attribute-name string consists of the entire cookie-av + // string, and the attribute-value string is empty. + attributeName = cookieAv + } + + // 5. Remove any leading or trailing WSP characters from the attribute- + // name string and the attribute-value string. + attributeName = attributeName.trim() + attributeValue = attributeValue.trim() + + // 6. If the attribute-value is longer than 1024 octets, ignore the + // cookie-av string and return to Step 1 of this algorithm. + if (attributeValue.length > maxAttributeValueSize) { + return parseUnparsedAttributes(unparsedAttributes, cookieAttributeList) + } + + // 7. Process the attribute-name and attribute-value according to the + // requirements in the following subsections. (Notice that + // attributes with unrecognized attribute-names are ignored.) + const attributeNameLowercase = attributeName.toLowerCase() + + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.1 + // If the attribute-name case-insensitively matches the string + // "Expires", the user agent MUST process the cookie-av as follows. + if (attributeNameLowercase === 'expires') { + // 1. Let the expiry-time be the result of parsing the attribute-value + // as cookie-date (see Section 5.1.1). + const expiryTime = new Date(attributeValue) + + // 2. If the attribute-value failed to parse as a cookie date, ignore + // the cookie-av. + + cookieAttributeList.expires = expiryTime + } else if (attributeNameLowercase === 'max-age') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.2 + // If the attribute-name case-insensitively matches the string "Max- + // Age", the user agent MUST process the cookie-av as follows. + + // 1. If the first character of the attribute-value is not a DIGIT or a + // "-" character, ignore the cookie-av. + const charCode = attributeValue.charCodeAt(0) + + if ((charCode < 48 || charCode > 57) && attributeValue[0] !== '-') { + return parseUnparsedAttributes(unparsedAttributes, cookieAttributeList) + } + + // 2. If the remainder of attribute-value contains a non-DIGIT + // character, ignore the cookie-av. + if (!/^\d+$/.test(attributeValue)) { + return parseUnparsedAttributes(unparsedAttributes, cookieAttributeList) + } + + // 3. Let delta-seconds be the attribute-value converted to an integer. + const deltaSeconds = Number(attributeValue) + + // 4. Let cookie-age-limit be the maximum age of the cookie (which + // SHOULD be 400 days or less, see Section 4.1.2.2). + + // 5. Set delta-seconds to the smaller of its present value and cookie- + // age-limit. + // deltaSeconds = Math.min(deltaSeconds * 1000, maxExpiresMs) + + // 6. If delta-seconds is less than or equal to zero (0), let expiry- + // time be the earliest representable date and time. Otherwise, let + // the expiry-time be the current date and time plus delta-seconds + // seconds. + // const expiryTime = deltaSeconds <= 0 ? Date.now() : Date.now() + deltaSeconds + + // 7. Append an attribute to the cookie-attribute-list with an + // attribute-name of Max-Age and an attribute-value of expiry-time. + cookieAttributeList.maxAge = deltaSeconds + } else if (attributeNameLowercase === 'domain') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.3 + // If the attribute-name case-insensitively matches the string "Domain", + // the user agent MUST process the cookie-av as follows. + + // 1. Let cookie-domain be the attribute-value. + let cookieDomain = attributeValue + + // 2. If cookie-domain starts with %x2E ("."), let cookie-domain be + // cookie-domain without its leading %x2E ("."). + if (cookieDomain[0] === '.') { + cookieDomain = cookieDomain.slice(1) + } + + // 3. Convert the cookie-domain to lower case. + cookieDomain = cookieDomain.toLowerCase() + + // 4. Append an attribute to the cookie-attribute-list with an + // attribute-name of Domain and an attribute-value of cookie-domain. + cookieAttributeList.domain = cookieDomain + } else if (attributeNameLowercase === 'path') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.4 + // If the attribute-name case-insensitively matches the string "Path", + // the user agent MUST process the cookie-av as follows. + + // 1. If the attribute-value is empty or if the first character of the + // attribute-value is not %x2F ("/"): + let cookiePath = '' + if (attributeValue.length === 0 || attributeValue[0] !== '/') { + // 1. Let cookie-path be the default-path. + cookiePath = '/' + } else { + // Otherwise: + + // 1. Let cookie-path be the attribute-value. + cookiePath = attributeValue + } + + // 2. Append an attribute to the cookie-attribute-list with an + // attribute-name of Path and an attribute-value of cookie-path. + cookieAttributeList.path = cookiePath + } else if (attributeNameLowercase === 'secure') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.5 + // If the attribute-name case-insensitively matches the string "Secure", + // the user agent MUST append an attribute to the cookie-attribute-list + // with an attribute-name of Secure and an empty attribute-value. + + cookieAttributeList.secure = true + } else if (attributeNameLowercase === 'httponly') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.6 + // If the attribute-name case-insensitively matches the string + // "HttpOnly", the user agent MUST append an attribute to the cookie- + // attribute-list with an attribute-name of HttpOnly and an empty + // attribute-value. + + cookieAttributeList.httpOnly = true + } else if (attributeNameLowercase === 'samesite') { + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-rfc6265bis#section-5.4.7 + // If the attribute-name case-insensitively matches the string + // "SameSite", the user agent MUST process the cookie-av as follows: + + // 1. Let enforcement be "Default". + let enforcement = 'Default' + + const attributeValueLowercase = attributeValue.toLowerCase() + // 2. If cookie-av's attribute-value is a case-insensitive match for + // "None", set enforcement to "None". + if (attributeValueLowercase.includes('none')) { + enforcement = 'None' + } + + // 3. If cookie-av's attribute-value is a case-insensitive match for + // "Strict", set enforcement to "Strict". + if (attributeValueLowercase.includes('strict')) { + enforcement = 'Strict' + } + + // 4. If cookie-av's attribute-value is a case-insensitive match for + // "Lax", set enforcement to "Lax". + if (attributeValueLowercase.includes('lax')) { + enforcement = 'Lax' + } + + // 5. Append an attribute to the cookie-attribute-list with an + // attribute-name of "SameSite" and an attribute-value of + // enforcement. + cookieAttributeList.sameSite = enforcement + } else { + cookieAttributeList.unparsed ??= [] + + cookieAttributeList.unparsed.push(`${attributeName}=${attributeValue}`) + } + + // 8. Return to Step 1 of this algorithm. + return parseUnparsedAttributes(unparsedAttributes, cookieAttributeList) +} + +module.exports = { + parseSetCookie, + parseUnparsedAttributes +} diff --git a/node_modules/undici/lib/cookies/util.js b/node_modules/undici/lib/cookies/util.js new file mode 100644 index 0000000..2290329 --- /dev/null +++ b/node_modules/undici/lib/cookies/util.js @@ -0,0 +1,291 @@ +'use strict' + +const assert = require('assert') +const { kHeadersList } = require('../core/symbols') + +function isCTLExcludingHtab (value) { + if (value.length === 0) { + return false + } + + for (const char of value) { + const code = char.charCodeAt(0) + + if ( + (code >= 0x00 || code <= 0x08) || + (code >= 0x0A || code <= 0x1F) || + code === 0x7F + ) { + return false + } + } +} + +/** + CHAR = <any US-ASCII character (octets 0 - 127)> + token = 1*<any CHAR except CTLs or separators> + separators = "(" | ")" | "<" | ">" | "@" + | "," | ";" | ":" | "\" | <"> + | "/" | "[" | "]" | "?" | "=" + | "{" | "}" | SP | HT + * @param {string} name + */ +function validateCookieName (name) { + for (const char of name) { + const code = char.charCodeAt(0) + + if ( + (code <= 0x20 || code > 0x7F) || + char === '(' || + char === ')' || + char === '>' || + char === '<' || + char === '@' || + char === ',' || + char === ';' || + char === ':' || + char === '\\' || + char === '"' || + char === '/' || + char === '[' || + char === ']' || + char === '?' || + char === '=' || + char === '{' || + char === '}' + ) { + throw new Error('Invalid cookie name') + } + } +} + +/** + cookie-value = *cookie-octet / ( DQUOTE *cookie-octet DQUOTE ) + cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E + ; US-ASCII characters excluding CTLs, + ; whitespace DQUOTE, comma, semicolon, + ; and backslash + * @param {string} value + */ +function validateCookieValue (value) { + for (const char of value) { + const code = char.charCodeAt(0) + + if ( + code < 0x21 || // exclude CTLs (0-31) + code === 0x22 || + code === 0x2C || + code === 0x3B || + code === 0x5C || + code > 0x7E // non-ascii + ) { + throw new Error('Invalid header value') + } + } +} + +/** + * path-value = <any CHAR except CTLs or ";"> + * @param {string} path + */ +function validateCookiePath (path) { + for (const char of path) { + const code = char.charCodeAt(0) + + if (code < 0x21 || char === ';') { + throw new Error('Invalid cookie path') + } + } +} + +/** + * I have no idea why these values aren't allowed to be honest, + * but Deno tests these. - Khafra + * @param {string} domain + */ +function validateCookieDomain (domain) { + if ( + domain.startsWith('-') || + domain.endsWith('.') || + domain.endsWith('-') + ) { + throw new Error('Invalid cookie domain') + } +} + +/** + * @see https://www.rfc-editor.org/rfc/rfc7231#section-7.1.1.1 + * @param {number|Date} date + IMF-fixdate = day-name "," SP date1 SP time-of-day SP GMT + ; fixed length/zone/capitalization subset of the format + ; see Section 3.3 of [RFC5322] + + day-name = %x4D.6F.6E ; "Mon", case-sensitive + / %x54.75.65 ; "Tue", case-sensitive + / %x57.65.64 ; "Wed", case-sensitive + / %x54.68.75 ; "Thu", case-sensitive + / %x46.72.69 ; "Fri", case-sensitive + / %x53.61.74 ; "Sat", case-sensitive + / %x53.75.6E ; "Sun", case-sensitive + date1 = day SP month SP year + ; e.g., 02 Jun 1982 + + day = 2DIGIT + month = %x4A.61.6E ; "Jan", case-sensitive + / %x46.65.62 ; "Feb", case-sensitive + / %x4D.61.72 ; "Mar", case-sensitive + / %x41.70.72 ; "Apr", case-sensitive + / %x4D.61.79 ; "May", case-sensitive + / %x4A.75.6E ; "Jun", case-sensitive + / %x4A.75.6C ; "Jul", case-sensitive + / %x41.75.67 ; "Aug", case-sensitive + / %x53.65.70 ; "Sep", case-sensitive + / %x4F.63.74 ; "Oct", case-sensitive + / %x4E.6F.76 ; "Nov", case-sensitive + / %x44.65.63 ; "Dec", case-sensitive + year = 4DIGIT + + GMT = %x47.4D.54 ; "GMT", case-sensitive + + time-of-day = hour ":" minute ":" second + ; 00:00:00 - 23:59:60 (leap second) + + hour = 2DIGIT + minute = 2DIGIT + second = 2DIGIT + */ +function toIMFDate (date) { + if (typeof date === 'number') { + date = new Date(date) + } + + const days = [ + 'Sun', 'Mon', 'Tue', 'Wed', + 'Thu', 'Fri', 'Sat' + ] + + const months = [ + 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', + 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' + ] + + const dayName = days[date.getUTCDay()] + const day = date.getUTCDate().toString().padStart(2, '0') + const month = months[date.getUTCMonth()] + const year = date.getUTCFullYear() + const hour = date.getUTCHours().toString().padStart(2, '0') + const minute = date.getUTCMinutes().toString().padStart(2, '0') + const second = date.getUTCSeconds().toString().padStart(2, '0') + + return `${dayName}, ${day} ${month} ${year} ${hour}:${minute}:${second} GMT` +} + +/** + max-age-av = "Max-Age=" non-zero-digit *DIGIT + ; In practice, both expires-av and max-age-av + ; are limited to dates representable by the + ; user agent. + * @param {number} maxAge + */ +function validateCookieMaxAge (maxAge) { + if (maxAge < 0) { + throw new Error('Invalid cookie max-age') + } +} + +/** + * @see https://www.rfc-editor.org/rfc/rfc6265#section-4.1.1 + * @param {import('./index').Cookie} cookie + */ +function stringify (cookie) { + if (cookie.name.length === 0) { + return null + } + + validateCookieName(cookie.name) + validateCookieValue(cookie.value) + + const out = [`${cookie.name}=${cookie.value}`] + + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-cookie-prefixes-00#section-3.1 + // https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-cookie-prefixes-00#section-3.2 + if (cookie.name.startsWith('__Secure-')) { + cookie.secure = true + } + + if (cookie.name.startsWith('__Host-')) { + cookie.secure = true + cookie.domain = null + cookie.path = '/' + } + + if (cookie.secure) { + out.push('Secure') + } + + if (cookie.httpOnly) { + out.push('HttpOnly') + } + + if (typeof cookie.maxAge === 'number') { + validateCookieMaxAge(cookie.maxAge) + out.push(`Max-Age=${cookie.maxAge}`) + } + + if (cookie.domain) { + validateCookieDomain(cookie.domain) + out.push(`Domain=${cookie.domain}`) + } + + if (cookie.path) { + validateCookiePath(cookie.path) + out.push(`Path=${cookie.path}`) + } + + if (cookie.expires && cookie.expires.toString() !== 'Invalid Date') { + out.push(`Expires=${toIMFDate(cookie.expires)}`) + } + + if (cookie.sameSite) { + out.push(`SameSite=${cookie.sameSite}`) + } + + for (const part of cookie.unparsed) { + if (!part.includes('=')) { + throw new Error('Invalid unparsed') + } + + const [key, ...value] = part.split('=') + + out.push(`${key.trim()}=${value.join('=')}`) + } + + return out.join('; ') +} + +let kHeadersListNode + +function getHeadersList (headers) { + if (headers[kHeadersList]) { + return headers[kHeadersList] + } + + if (!kHeadersListNode) { + kHeadersListNode = Object.getOwnPropertySymbols(headers).find( + (symbol) => symbol.description === 'headers list' + ) + + assert(kHeadersListNode, 'Headers cannot be parsed') + } + + const headersList = headers[kHeadersListNode] + assert(headersList) + + return headersList +} + +module.exports = { + isCTLExcludingHtab, + stringify, + getHeadersList +} |