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Diffstat (limited to 'op_crates/fetch/20_headers.js')
| -rw-r--r-- | op_crates/fetch/20_headers.js | 449 |
1 files changed, 0 insertions, 449 deletions
diff --git a/op_crates/fetch/20_headers.js b/op_crates/fetch/20_headers.js deleted file mode 100644 index 94e1c4076..000000000 --- a/op_crates/fetch/20_headers.js +++ /dev/null @@ -1,449 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. - -// @ts-check -/// <reference path="../webidl/internal.d.ts" /> -/// <reference path="../web/internal.d.ts" /> -/// <reference path="../file/internal.d.ts" /> -/// <reference path="../file/lib.deno_file.d.ts" /> -/// <reference path="./internal.d.ts" /> -/// <reference path="./11_streams_types.d.ts" /> -/// <reference path="./lib.deno_fetch.d.ts" /> -/// <reference lib="esnext" /> -"use strict"; - -((window) => { - const webidl = window.__bootstrap.webidl; - const { - HTTP_TAB_OR_SPACE_PREFIX_RE, - HTTP_TAB_OR_SPACE_SUFFIX_RE, - HTTP_WHITESPACE_PREFIX_RE, - HTTP_WHITESPACE_SUFFIX_RE, - HTTP_TOKEN_CODE_POINT_RE, - byteLowerCase, - collectSequenceOfCodepoints, - collectHttpQuotedString, - } = window.__bootstrap.infra; - - const _headerList = Symbol("header list"); - const _iterableHeaders = Symbol("iterable headers"); - const _guard = Symbol("guard"); - - /** - * @typedef Header - * @type {[string, string]} - */ - - /** - * @typedef HeaderList - * @type {Header[]} - */ - - /** - * @param {string} potentialValue - * @returns {string} - */ - function normalizeHeaderValue(potentialValue) { - potentialValue = potentialValue.replaceAll(HTTP_WHITESPACE_PREFIX_RE, ""); - potentialValue = potentialValue.replaceAll(HTTP_WHITESPACE_SUFFIX_RE, ""); - return potentialValue; - } - - /** - * @param {Headers} headers - * @param {HeadersInit} object - */ - function fillHeaders(headers, object) { - if (Array.isArray(object)) { - for (const header of object) { - if (header.length !== 2) { - throw new TypeError( - `Invalid header. Length must be 2, but is ${header.length}`, - ); - } - appendHeader(headers, header[0], header[1]); - } - } else { - for (const key of Object.keys(object)) { - appendHeader(headers, key, object[key]); - } - } - } - - /** - * https://fetch.spec.whatwg.org/#concept-headers-append - * @param {Headers} headers - * @param {string} name - * @param {string} value - */ - function appendHeader(headers, name, value) { - // 1. - value = normalizeHeaderValue(value); - - // 2. - if (!HTTP_TOKEN_CODE_POINT_RE.test(name)) { - throw new TypeError("Header name is not valid."); - } - if ( - value.includes("\x00") || value.includes("\x0A") || value.includes("\x0D") - ) { - throw new TypeError("Header value is not valid."); - } - - // 3. - if (headers[_guard] == "immutable") { - throw new TypeError("Headers are immutable."); - } - - // 7. - const list = headers[_headerList]; - const lowercaseName = byteLowerCase(name); - for (let i = 0; i < list.length; i++) { - if (byteLowerCase(list[i][0]) === lowercaseName) { - name = list[i][0]; - break; - } - } - list.push([name, value]); - } - - /** - * https://fetch.spec.whatwg.org/#concept-header-list-get - * @param {HeaderList} list - * @param {string} name - */ - function getHeader(list, name) { - const lowercaseName = byteLowerCase(name); - const entries = list.filter((entry) => - byteLowerCase(entry[0]) === lowercaseName - ).map((entry) => entry[1]); - if (entries.length === 0) { - return null; - } else { - return entries.join("\x2C\x20"); - } - } - - /** - * https://fetch.spec.whatwg.org/#concept-header-list-get-decode-split - * @param {HeaderList} list - * @param {string} name - * @returns {string[] | null} - */ - function getDecodeSplitHeader(list, name) { - const initialValue = getHeader(list, name); - if (initialValue === null) return null; - const input = initialValue; - let position = 0; - const values = []; - let value = ""; - while (position < initialValue.length) { - // 7.1. collect up to " or , - const res = collectSequenceOfCodepoints( - initialValue, - position, - (c) => c !== "\u0022" && c !== "\u002C", - ); - value += res.result; - position = res.position; - - if (position < initialValue.length) { - if (input[position] === "\u0022") { - const res = collectHttpQuotedString(input, position, false); - value += res.result; - position = res.position; - if (position < initialValue.length) { - continue; - } - } else { - if (input[position] !== "\u002C") throw new TypeError("Unreachable"); - position += 1; - } - } - - value = value.replaceAll(HTTP_TAB_OR_SPACE_PREFIX_RE, ""); - value = value.replaceAll(HTTP_TAB_OR_SPACE_SUFFIX_RE, ""); - - values.push(value); - value = ""; - } - return values; - } - - class Headers { - /** @type {HeaderList} */ - [_headerList] = []; - /** @type {"immutable" | "request" | "request-no-cors" | "response" | "none"} */ - [_guard]; - - get [_iterableHeaders]() { - const list = this[_headerList]; - - const headers = []; - const headerNamesSet = new Set(); - for (const entry of list) { - headerNamesSet.add(byteLowerCase(entry[0])); - } - const names = [...headerNamesSet].sort(); - for (const name of names) { - // The following if statement, and if block of the following statement - // are not spec compliant. `set-cookie` is the only header that can not - // be concatentated, so must be given to the user as multiple headers. - // The else block of the if statement is spec compliant again. - if (name == "set-cookie") { - const setCookie = list.filter((entry) => - byteLowerCase(entry[0]) === "set-cookie" - ); - if (setCookie.length === 0) throw new TypeError("Unreachable"); - for (const entry of setCookie) { - headers.push([name, entry[1]]); - } - } else { - const value = getHeader(list, name); - if (value === null) throw new TypeError("Unreachable"); - headers.push([name, value]); - } - } - return headers; - } - - /** @param {HeadersInit} [init] */ - constructor(init = undefined) { - const prefix = "Failed to construct 'Event'"; - if (init !== undefined) { - init = webidl.converters["HeadersInit"](init, { - prefix, - context: "Argument 1", - }); - } - - this[webidl.brand] = webidl.brand; - this[_guard] = "none"; - if (init !== undefined) { - fillHeaders(this, init); - } - } - - /** - * @param {string} name - * @param {string} value - */ - append(name, value) { - webidl.assertBranded(this, Headers); - const prefix = "Failed to execute 'append' on 'Headers'"; - webidl.requiredArguments(arguments.length, 2, { prefix }); - name = webidl.converters["ByteString"](name, { - prefix, - context: "Argument 1", - }); - value = webidl.converters["ByteString"](value, { - prefix, - context: "Argument 2", - }); - appendHeader(this, name, value); - } - - /** - * @param {string} name - */ - delete(name) { - const prefix = "Failed to execute 'delete' on 'Headers'"; - webidl.requiredArguments(arguments.length, 1, { prefix }); - name = webidl.converters["ByteString"](name, { - prefix, - context: "Argument 1", - }); - - if (!HTTP_TOKEN_CODE_POINT_RE.test(name)) { - throw new TypeError("Header name is not valid."); - } - if (this[_guard] == "immutable") { - throw new TypeError("Headers are immutable."); - } - - const list = this[_headerList]; - const lowercaseName = byteLowerCase(name); - for (let i = 0; i < list.length; i++) { - if (byteLowerCase(list[i][0]) === lowercaseName) { - list.splice(i, 1); - i--; - } - } - } - - /** - * @param {string} name - */ - get(name) { - const prefix = "Failed to execute 'get' on 'Headers'"; - webidl.requiredArguments(arguments.length, 1, { prefix }); - name = webidl.converters["ByteString"](name, { - prefix, - context: "Argument 1", - }); - - if (!HTTP_TOKEN_CODE_POINT_RE.test(name)) { - throw new TypeError("Header name is not valid."); - } - - const list = this[_headerList]; - return getHeader(list, name); - } - - /** - * @param {string} name - */ - has(name) { - const prefix = "Failed to execute 'has' on 'Headers'"; - webidl.requiredArguments(arguments.length, 1, { prefix }); - name = webidl.converters["ByteString"](name, { - prefix, - context: "Argument 1", - }); - - if (!HTTP_TOKEN_CODE_POINT_RE.test(name)) { - throw new TypeError("Header name is not valid."); - } - - const list = this[_headerList]; - const lowercaseName = byteLowerCase(name); - for (let i = 0; i < list.length; i++) { - if (byteLowerCase(list[i][0]) === lowercaseName) { - return true; - } - } - return false; - } - - /** - * @param {string} name - * @param {string} value - */ - set(name, value) { - webidl.assertBranded(this, Headers); - const prefix = "Failed to execute 'set' on 'Headers'"; - webidl.requiredArguments(arguments.length, 2, { prefix }); - name = webidl.converters["ByteString"](name, { - prefix, - context: "Argument 1", - }); - value = webidl.converters["ByteString"](value, { - prefix, - context: "Argument 2", - }); - - value = normalizeHeaderValue(value); - - // 2. - if (!HTTP_TOKEN_CODE_POINT_RE.test(name)) { - throw new TypeError("Header name is not valid."); - } - if ( - value.includes("\x00") || value.includes("\x0A") || - value.includes("\x0D") - ) { - throw new TypeError("Header value is not valid."); - } - - if (this[_guard] == "immutable") { - throw new TypeError("Headers are immutable."); - } - - const list = this[_headerList]; - const lowercaseName = byteLowerCase(name); - let added = false; - for (let i = 0; i < list.length; i++) { - if (byteLowerCase(list[i][0]) === lowercaseName) { - if (!added) { - list[i][1] = value; - added = true; - } else { - list.splice(i, 1); - i--; - } - } - } - if (!added) { - list.push([name, value]); - } - } - - [Symbol.for("Deno.customInspect")](inspect) { - const headers = {}; - for (const header of this) { - headers[header[0]] = header[1]; - } - return `Headers ${inspect(headers)}`; - } - - get [Symbol.toStringTag]() { - return "Headers"; - } - } - - webidl.mixinPairIterable("Headers", Headers, _iterableHeaders, 0, 1); - - webidl.converters["sequence<ByteString>"] = webidl - .createSequenceConverter(webidl.converters["ByteString"]); - webidl.converters["sequence<sequence<ByteString>>"] = webidl - .createSequenceConverter(webidl.converters["sequence<ByteString>"]); - webidl.converters["record<ByteString, ByteString>"] = webidl - .createRecordConverter( - webidl.converters["ByteString"], - webidl.converters["ByteString"], - ); - webidl.converters["HeadersInit"] = (V, opts) => { - // Union for (sequence<sequence<ByteString>> or record<ByteString, ByteString>) - if (typeof V === "object" && V !== null) { - if (V[Symbol.iterator] !== undefined) { - return webidl.converters["sequence<sequence<ByteString>>"](V, opts); - } - return webidl.converters["record<ByteString, ByteString>"](V, opts); - } - throw webidl.makeException( - TypeError, - "The provided value is not of type '(sequence<sequence<ByteString>> or record<ByteString, ByteString>)'", - opts, - ); - }; - webidl.converters["Headers"] = webidl.createInterfaceConverter( - "Headers", - Headers, - ); - - /** - * @param {HeaderList} list - * @param {"immutable" | "request" | "request-no-cors" | "response" | "none"} guard - * @returns {Headers} - */ - function headersFromHeaderList(list, guard) { - const headers = webidl.createBranded(Headers); - headers[_headerList] = list; - headers[_guard] = guard; - return headers; - } - - /** - * @param {Headers} - * @returns {HeaderList} - */ - function headerListFromHeaders(headers) { - return headers[_headerList]; - } - - /** - * @param {Headers} - * @returns {"immutable" | "request" | "request-no-cors" | "response" | "none"} - */ - function guardFromHeaders(headers) { - return headers[_guard]; - } - - window.__bootstrap.headers = { - Headers, - headersFromHeaderList, - headerListFromHeaders, - fillHeaders, - getDecodeSplitHeader, - guardFromHeaders, - }; -})(this); |