v1.0 with SW PWA enabled

frontend/node_modules/fast-uri/lib/utils.js

@@ -0,0 +1,336 @@
+'use strict'
+
+/** @type {(value: string) => boolean} */
+const isUUID = RegExp.prototype.test.bind(/^[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}$/iu)
+
+/** @type {(value: string) => boolean} */
+const isIPv4 = RegExp.prototype.test.bind(/^(?:(?:25[0-5]|2[0-4]\d|1\d{2}|[1-9]\d|\d)\.){3}(?:25[0-5]|2[0-4]\d|1\d{2}|[1-9]\d|\d)$/u)
+
+/**
+ * @param {Array<string>} input
+ * @returns {string}
+ */
+function stringArrayToHexStripped (input) {
+  let acc = ''
+  let code = 0
+  let i = 0
+
+  for (i = 0; i < input.length; i++) {
+    code = input[i].charCodeAt(0)
+    if (code === 48) {
+      continue
+    }
+    if (!((code >= 48 && code <= 57) || (code >= 65 && code <= 70) || (code >= 97 && code <= 102))) {
+      return ''
+    }
+    acc += input[i]
+    break
+  }
+
+  for (i += 1; i < input.length; i++) {
+    code = input[i].charCodeAt(0)
+    if (!((code >= 48 && code <= 57) || (code >= 65 && code <= 70) || (code >= 97 && code <= 102))) {
+      return ''
+    }
+    acc += input[i]
+  }
+  return acc
+}
+
+/**
+ * @typedef {Object} GetIPV6Result
+ * @property {boolean} error - Indicates if there was an error parsing the IPv6 address.
+ * @property {string} address - The parsed IPv6 address.
+ * @property {string} [zone] - The zone identifier, if present.
+ */
+
+/**
+ * @param {string} value
+ * @returns {boolean}
+ */
+const nonSimpleDomain = RegExp.prototype.test.bind(/[^!"$&'()*+,\-.;=_`a-z{}~]/u)
+
+/**
+ * @param {Array<string>} buffer
+ * @returns {boolean}
+ */
+function consumeIsZone (buffer) {
+  buffer.length = 0
+  return true
+}
+
+/**
+ * @param {Array<string>} buffer
+ * @param {Array<string>} address
+ * @param {GetIPV6Result} output
+ * @returns {boolean}
+ */
+function consumeHextets (buffer, address, output) {
+  if (buffer.length) {
+    const hex = stringArrayToHexStripped(buffer)
+    if (hex !== '') {
+      address.push(hex)
+    } else {
+      output.error = true
+      return false
+    }
+    buffer.length = 0
+  }
+  return true
+}
+
+/**
+ * @param {string} input
+ * @returns {GetIPV6Result}
+ */
+function getIPV6 (input) {
+  let tokenCount = 0
+  const output = { error: false, address: '', zone: '' }
+  /** @type {Array<string>} */
+  const address = []
+  /** @type {Array<string>} */
+  const buffer = []
+  let endipv6Encountered = false
+  let endIpv6 = false
+
+  let consume = consumeHextets
+
+  for (let i = 0; i < input.length; i++) {
+    const cursor = input[i]
+    if (cursor === '[' || cursor === ']') { continue }
+    if (cursor === ':') {
+      if (endipv6Encountered === true) {
+        endIpv6 = true
+      }
+      if (!consume(buffer, address, output)) { break }
+      if (++tokenCount > 7) {
+        // not valid
+        output.error = true
+        break
+      }
+      if (i > 0 && input[i - 1] === ':') {
+        endipv6Encountered = true
+      }
+      address.push(':')
+      continue
+    } else if (cursor === '%') {
+      if (!consume(buffer, address, output)) { break }
+      // switch to zone detection
+      consume = consumeIsZone
+    } else {
+      buffer.push(cursor)
+      continue
+    }
+  }
+  if (buffer.length) {
+    if (consume === consumeIsZone) {
+      output.zone = buffer.join('')
+    } else if (endIpv6) {
+      address.push(buffer.join(''))
+    } else {
+      address.push(stringArrayToHexStripped(buffer))
+    }
+  }
+  output.address = address.join('')
+  return output
+}
+
+/**
+ * @typedef {Object} NormalizeIPv6Result
+ * @property {string} host - The normalized host.
+ * @property {string} [escapedHost] - The escaped host.
+ * @property {boolean} isIPV6 - Indicates if the host is an IPv6 address.
+ */
+
+/**
+ * @param {string} host
+ * @returns {NormalizeIPv6Result}
+ */
+function normalizeIPv6 (host) {
+  if (findToken(host, ':') < 2) { return { host, isIPV6: false } }
+  const ipv6 = getIPV6(host)
+
+  if (!ipv6.error) {
+    let newHost = ipv6.address
+    let escapedHost = ipv6.address
+    if (ipv6.zone) {
+      newHost += '%' + ipv6.zone
+      escapedHost += '%25' + ipv6.zone
+    }
+    return { host: newHost, isIPV6: true, escapedHost }
+  } else {
+    return { host, isIPV6: false }
+  }
+}
+
+/**
+ * @param {string} str
+ * @param {string} token
+ * @returns {number}
+ */
+function findToken (str, token) {
+  let ind = 0
+  for (let i = 0; i < str.length; i++) {
+    if (str[i] === token) ind++
+  }
+  return ind
+}
+
+/**
+ * @param {string} path
+ * @returns {string}
+ *
+ * @see https://datatracker.ietf.org/doc/html/rfc3986#section-5.2.4
+ */
+function removeDotSegments (path) {
+  let input = path
+  const output = []
+  let nextSlash = -1
+  let len = 0
+
+  // eslint-disable-next-line no-cond-assign
+  while (len = input.length) {
+    if (len === 1) {
+      if (input === '.') {
+        break
+      } else if (input === '/') {
+        output.push('/')
+        break
+      } else {
+        output.push(input)
+        break
+      }
+    } else if (len === 2) {
+      if (input[0] === '.') {
+        if (input[1] === '.') {
+          break
+        } else if (input[1] === '/') {
+          input = input.slice(2)
+          continue
+        }
+      } else if (input[0] === '/') {
+        if (input[1] === '.' || input[1] === '/') {
+          output.push('/')
+          break
+        }
+      }
+    } else if (len === 3) {
+      if (input === '/..') {
+        if (output.length !== 0) {
+          output.pop()
+        }
+        output.push('/')
+        break
+      }
+    }
+    if (input[0] === '.') {
+      if (input[1] === '.') {
+        if (input[2] === '/') {
+          input = input.slice(3)
+          continue
+        }
+      } else if (input[1] === '/') {
+        input = input.slice(2)
+        continue
+      }
+    } else if (input[0] === '/') {
+      if (input[1] === '.') {
+        if (input[2] === '/') {
+          input = input.slice(2)
+          continue
+        } else if (input[2] === '.') {
+          if (input[3] === '/') {
+            input = input.slice(3)
+            if (output.length !== 0) {
+              output.pop()
+            }
+            continue
+          }
+        }
+      }
+    }
+
+    // Rule 2E: Move normal path segment to output
+    if ((nextSlash = input.indexOf('/', 1)) === -1) {
+      output.push(input)
+      break
+    } else {
+      output.push(input.slice(0, nextSlash))
+      input = input.slice(nextSlash)
+    }
+  }
+
+  return output.join('')
+}
+
+/**
+ * @param {import('../types/index').URIComponent} component
+ * @param {boolean} esc
+ * @returns {import('../types/index').URIComponent}
+ */
+function normalizeComponentEncoding (component, esc) {
+  const func = esc !== true ? escape : unescape
+  if (component.scheme !== undefined) {
+    component.scheme = func(component.scheme)
+  }
+  if (component.userinfo !== undefined) {
+    component.userinfo = func(component.userinfo)
+  }
+  if (component.host !== undefined) {
+    component.host = func(component.host)
+  }
+  if (component.path !== undefined) {
+    component.path = func(component.path)
+  }
+  if (component.query !== undefined) {
+    component.query = func(component.query)
+  }
+  if (component.fragment !== undefined) {
+    component.fragment = func(component.fragment)
+  }
+  return component
+}
+
+/**
+ * @param {import('../types/index').URIComponent} component
+ * @returns {string|undefined}
+ */
+function recomposeAuthority (component) {
+  const uriTokens = []
+
+  if (component.userinfo !== undefined) {
+    uriTokens.push(component.userinfo)
+    uriTokens.push('@')
+  }
+
+  if (component.host !== undefined) {
+    let host = unescape(component.host)
+    if (!isIPv4(host)) {
+      const ipV6res = normalizeIPv6(host)
+      if (ipV6res.isIPV6 === true) {
+        host = `[${ipV6res.escapedHost}]`
+      } else {
+        host = component.host
+      }
+    }
+    uriTokens.push(host)
+  }
+
+  if (typeof component.port === 'number' || typeof component.port === 'string') {
+    uriTokens.push(':')
+    uriTokens.push(String(component.port))
+  }
+
+  return uriTokens.length ? uriTokens.join('') : undefined
+};
+
+module.exports = {
+  nonSimpleDomain,
+  recomposeAuthority,
+  normalizeComponentEncoding,
+  removeDotSegments,
+  isIPv4,
+  isUUID,
+  normalizeIPv6,
+  stringArrayToHexStripped
+}