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Diffstat (limited to 'g4f/Provider/npm/node_modules/undici/lib/cookies/parse.js')
| -rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/cookies/parse.js | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/cookies/parse.js b/g4f/Provider/npm/node_modules/undici/lib/cookies/parse.js deleted file mode 100644 index aae27503..00000000 --- a/g4f/Provider/npm/node_modules/undici/lib/cookies/parse.js +++ /dev/null @@ -1,317 +0,0 @@ -'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 -} |