1 files changed, 412 insertions, 0 deletions
diff --git a/vanilla/node_modules/undici/lib/core/request.js b/vanilla/node_modules/undici/lib/core/request.js
new file mode 100644
index 0000000..7dbf781
--- /dev/null
+++ b/vanilla/node_modules/undici/lib/core/request.js
@@ -0,0 +1,412 @@
+'use strict'
+
+const {
+  InvalidArgumentError,
+  NotSupportedError
+} = require('./errors')
+const assert = require('node:assert')
+const {
+  isValidHTTPToken,
+  isValidHeaderValue,
+  isStream,
+  destroy,
+  isBuffer,
+  isFormDataLike,
+  isIterable,
+  isBlobLike,
+  serializePathWithQuery,
+  assertRequestHandler,
+  getServerName,
+  normalizedMethodRecords,
+  getProtocolFromUrlString
+} = require('./util')
+const { channels } = require('./diagnostics.js')
+const { headerNameLowerCasedRecord } = require('./constants')
+
+// Verifies that a given path is valid does not contain control chars \x00 to \x20
+const invalidPathRegex = /[^\u0021-\u00ff]/
+
+const kHandler = Symbol('handler')
+
+class Request {
+  constructor (origin, {
+    path,
+    method,
+    body,
+    headers,
+    query,
+    idempotent,
+    blocking,
+    upgrade,
+    headersTimeout,
+    bodyTimeout,
+    reset,
+    expectContinue,
+    servername,
+    throwOnError,
+    maxRedirections
+  }, handler) {
+    if (typeof path !== 'string') {
+      throw new InvalidArgumentError('path must be a string')
+    } else if (
+      path[0] !== '/' &&
+      !(path.startsWith('http://') || path.startsWith('https://')) &&
+      method !== 'CONNECT'
+    ) {
+      throw new InvalidArgumentError('path must be an absolute URL or start with a slash')
+    } else if (invalidPathRegex.test(path)) {
+      throw new InvalidArgumentError('invalid request path')
+    }
+
+    if (typeof method !== 'string') {
+      throw new InvalidArgumentError('method must be a string')
+    } else if (normalizedMethodRecords[method] === undefined && !isValidHTTPToken(method)) {
+      throw new InvalidArgumentError('invalid request method')
+    }
+
+    if (upgrade && typeof upgrade !== 'string') {
+      throw new InvalidArgumentError('upgrade must be a string')
+    }
+
+    if (headersTimeout != null && (!Number.isFinite(headersTimeout) || headersTimeout < 0)) {
+      throw new InvalidArgumentError('invalid headersTimeout')
+    }
+
+    if (bodyTimeout != null && (!Number.isFinite(bodyTimeout) || bodyTimeout < 0)) {
+      throw new InvalidArgumentError('invalid bodyTimeout')
+    }
+
+    if (reset != null && typeof reset !== 'boolean') {
+      throw new InvalidArgumentError('invalid reset')
+    }
+
+    if (expectContinue != null && typeof expectContinue !== 'boolean') {
+      throw new InvalidArgumentError('invalid expectContinue')
+    }
+
+    if (throwOnError != null) {
+      throw new InvalidArgumentError('invalid throwOnError')
+    }
+
+    if (maxRedirections != null && maxRedirections !== 0) {
+      throw new InvalidArgumentError('maxRedirections is not supported, use the redirect interceptor')
+    }
+
+    this.headersTimeout = headersTimeout
+
+    this.bodyTimeout = bodyTimeout
+
+    this.method = method
+
+    this.abort = null
+
+    if (body == null) {
+      this.body = null
+    } else if (isStream(body)) {
+      this.body = body
+
+      const rState = this.body._readableState
+      if (!rState || !rState.autoDestroy) {
+        this.endHandler = function autoDestroy () {
+          destroy(this)
+        }
+        this.body.on('end', this.endHandler)
+      }
+
+      this.errorHandler = err => {
+        if (this.abort) {
+          this.abort(err)
+        } else {
+          this.error = err
+        }
+      }
+      this.body.on('error', this.errorHandler)
+    } else if (isBuffer(body)) {
+      this.body = body.byteLength ? body : null
+    } else if (ArrayBuffer.isView(body)) {
+      this.body = body.buffer.byteLength ? Buffer.from(body.buffer, body.byteOffset, body.byteLength) : null
+    } else if (body instanceof ArrayBuffer) {
+      this.body = body.byteLength ? Buffer.from(body) : null
+    } else if (typeof body === 'string') {
+      this.body = body.length ? Buffer.from(body) : null
+    } else if (isFormDataLike(body) || isIterable(body) || isBlobLike(body)) {
+      this.body = body
+    } else {
+      throw new InvalidArgumentError('body must be a string, a Buffer, a Readable stream, an iterable, or an async iterable')
+    }
+
+    this.completed = false
+    this.aborted = false
+
+    this.upgrade = upgrade || null
+
+    this.path = query ? serializePathWithQuery(path, query) : path
+
+    // TODO: shall we maybe standardize it to an URL object?
+    this.origin = origin
+
+    this.protocol = getProtocolFromUrlString(origin)
+
+    this.idempotent = idempotent == null
+      ? method === 'HEAD' || method === 'GET'
+      : idempotent
+
+    this.blocking = blocking ?? this.method !== 'HEAD'
+
+    this.reset = reset == null ? null : reset
+
+    this.host = null
+
+    this.contentLength = null
+
+    this.contentType = null
+
+    this.headers = []
+
+    // Only for H2
+    this.expectContinue = expectContinue != null ? expectContinue : false
+
+    if (Array.isArray(headers)) {
+      if (headers.length % 2 !== 0) {
+        throw new InvalidArgumentError('headers array must be even')
+      }
+      for (let i = 0; i < headers.length; i += 2) {
+        processHeader(this, headers[i], headers[i + 1])
+      }
+    } else if (headers && typeof headers === 'object') {
+      if (headers[Symbol.iterator]) {
+        for (const header of headers) {
+          if (!Array.isArray(header) || header.length !== 2) {
+            throw new InvalidArgumentError('headers must be in key-value pair format')
+          }
+          processHeader(this, header[0], header[1])
+        }
+      } else {
+        const keys = Object.keys(headers)
+        for (let i = 0; i < keys.length; ++i) {
+          processHeader(this, keys[i], headers[keys[i]])
+        }
+      }
+    } else if (headers != null) {
+      throw new InvalidArgumentError('headers must be an object or an array')
+    }
+
+    assertRequestHandler(handler, method, upgrade)
+
+    this.servername = servername || getServerName(this.host) || null
+
+    this[kHandler] = handler
+
+    if (channels.create.hasSubscribers) {
+      channels.create.publish({ request: this })
+    }
+  }
+
+  onBodySent (chunk) {
+    if (channels.bodyChunkSent.hasSubscribers) {
+      channels.bodyChunkSent.publish({ request: this, chunk })
+    }
+    if (this[kHandler].onBodySent) {
+      try {
+        return this[kHandler].onBodySent(chunk)
+      } catch (err) {
+        this.abort(err)
+      }
+    }
+  }
+
+  onRequestSent () {
+    if (channels.bodySent.hasSubscribers) {
+      channels.bodySent.publish({ request: this })
+    }
+
+    if (this[kHandler].onRequestSent) {
+      try {
+        return this[kHandler].onRequestSent()
+      } catch (err) {
+        this.abort(err)
+      }
+    }
+  }
+
+  onConnect (abort) {
+    assert(!this.aborted)
+    assert(!this.completed)
+
+    if (this.error) {
+      abort(this.error)
+    } else {
+      this.abort = abort
+      return this[kHandler].onConnect(abort)
+    }
+  }
+
+  onResponseStarted () {
+    return this[kHandler].onResponseStarted?.()
+  }
+
+  onHeaders (statusCode, headers, resume, statusText) {
+    assert(!this.aborted)
+    assert(!this.completed)
+
+    if (channels.headers.hasSubscribers) {
+      channels.headers.publish({ request: this, response: { statusCode, headers, statusText } })
+    }
+
+    try {
+      return this[kHandler].onHeaders(statusCode, headers, resume, statusText)
+    } catch (err) {
+      this.abort(err)
+    }
+  }
+
+  onData (chunk) {
+    assert(!this.aborted)
+    assert(!this.completed)
+
+    if (channels.bodyChunkReceived.hasSubscribers) {
+      channels.bodyChunkReceived.publish({ request: this, chunk })
+    }
+    try {
+      return this[kHandler].onData(chunk)
+    } catch (err) {
+      this.abort(err)
+      return false
+    }
+  }
+
+  onUpgrade (statusCode, headers, socket) {
+    assert(!this.aborted)
+    assert(!this.completed)
+
+    return this[kHandler].onUpgrade(statusCode, headers, socket)
+  }
+
+  onComplete (trailers) {
+    this.onFinally()
+
+    assert(!this.aborted)
+    assert(!this.completed)
+
+    this.completed = true
+    if (channels.trailers.hasSubscribers) {
+      channels.trailers.publish({ request: this, trailers })
+    }
+
+    try {
+      return this[kHandler].onComplete(trailers)
+    } catch (err) {
+      // TODO (fix): This might be a bad idea?
+      this.onError(err)
+    }
+  }
+
+  onError (error) {
+    this.onFinally()
+
+    if (channels.error.hasSubscribers) {
+      channels.error.publish({ request: this, error })
+    }
+
+    if (this.aborted) {
+      return
+    }
+    this.aborted = true
+
+    return this[kHandler].onError(error)
+  }
+
+  onFinally () {
+    if (this.errorHandler) {
+      this.body.off('error', this.errorHandler)
+      this.errorHandler = null
+    }
+
+    if (this.endHandler) {
+      this.body.off('end', this.endHandler)
+      this.endHandler = null
+    }
+  }
+
+  addHeader (key, value) {
+    processHeader(this, key, value)
+    return this
+  }
+}
+
+function processHeader (request, key, val) {
+  if (val && (typeof val === 'object' && !Array.isArray(val))) {
+    throw new InvalidArgumentError(`invalid ${key} header`)
+  } else if (val === undefined) {
+    return
+  }
+
+  let headerName = headerNameLowerCasedRecord[key]
+
+  if (headerName === undefined) {
+    headerName = key.toLowerCase()
+    if (headerNameLowerCasedRecord[headerName] === undefined && !isValidHTTPToken(headerName)) {
+      throw new InvalidArgumentError('invalid header key')
+    }
+  }
+
+  if (Array.isArray(val)) {
+    const arr = []
+    for (let i = 0; i < val.length; i++) {
+      if (typeof val[i] === 'string') {
+        if (!isValidHeaderValue(val[i])) {
+          throw new InvalidArgumentError(`invalid ${key} header`)
+        }
+        arr.push(val[i])
+      } else if (val[i] === null) {
+        arr.push('')
+      } else if (typeof val[i] === 'object') {
+        throw new InvalidArgumentError(`invalid ${key} header`)
+      } else {
+        arr.push(`${val[i]}`)
+      }
+    }
+    val = arr
+  } else if (typeof val === 'string') {
+    if (!isValidHeaderValue(val)) {
+      throw new InvalidArgumentError(`invalid ${key} header`)
+    }
+  } else if (val === null) {
+    val = ''
+  } else {
+    val = `${val}`
+  }
+
+  if (request.host === null && headerName === 'host') {
+    if (typeof val !== 'string') {
+      throw new InvalidArgumentError('invalid host header')
+    }
+    // Consumed by Client
+    request.host = val
+  } else if (request.contentLength === null && headerName === 'content-length') {
+    request.contentLength = parseInt(val, 10)
+    if (!Number.isFinite(request.contentLength)) {
+      throw new InvalidArgumentError('invalid content-length header')
+    }
+  } else if (request.contentType === null && headerName === 'content-type') {
+    request.contentType = val
+    request.headers.push(key, val)
+  } else if (headerName === 'transfer-encoding' || headerName === 'keep-alive' || headerName === 'upgrade') {
+    throw new InvalidArgumentError(`invalid ${headerName} header`)
+  } else if (headerName === 'connection') {
+    const value = typeof val === 'string' ? val.toLowerCase() : null
+    if (value !== 'close' && value !== 'keep-alive') {
+      throw new InvalidArgumentError('invalid connection header')
+    }
+
+    if (value === 'close') {
+      request.reset = true
+    }
+  } else if (headerName === 'expect') {
+    throw new NotSupportedError('expect header not supported')
+  } else {
+    request.headers.push(key, val)
+  }
+}
+
+module.exports = Request