1 files changed, 291 insertions, 0 deletions
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
+}