truffle
Version:
Truffle - Simple development framework for Ethereum
1,628 lines (1,392 loc) • 532 kB
JavaScript
#!/usr/bin/env node
exports.id = 1472;
exports.ids = [1472];
exports.modules = {
/***/ 80657:
/***/ ((module, exports, __webpack_require__) => {
"use strict";
Object.defineProperty(exports, "__esModule", ({ value: true }));
const util = __webpack_require__(73837);
const toString = Object.prototype.toString;
const isOfType = (type) => (value) => typeof value === type; // tslint:disable-line:strict-type-predicates
const getObjectType = (value) => {
const objectName = toString.call(value).slice(8, -1);
if (objectName) {
return objectName;
}
return null;
};
const isObjectOfType = (typeName) => (value) => {
return getObjectType(value) === typeName;
};
function is(value) {
if (value === null) {
return "null" /* null */;
}
if (value === true || value === false) {
return "boolean" /* boolean */;
}
const type = typeof value;
if (type === 'undefined') {
return "undefined" /* undefined */;
}
if (type === 'string') {
return "string" /* string */;
}
if (type === 'number') {
return "number" /* number */;
}
if (type === 'symbol') {
return "symbol" /* symbol */;
}
if (is.function_(value)) {
return "Function" /* Function */;
}
if (Array.isArray(value)) {
return "Array" /* Array */;
}
if (Buffer.isBuffer(value)) {
return "Buffer" /* Buffer */;
}
const tagType = getObjectType(value);
if (tagType) {
return tagType;
}
if (value instanceof String || value instanceof Boolean || value instanceof Number) {
throw new TypeError('Please don\'t use object wrappers for primitive types');
}
return "Object" /* Object */;
}
(function (is) {
const isObject = (value) => typeof value === 'object';
// tslint:disable:variable-name
is.undefined = isOfType('undefined');
is.string = isOfType('string');
is.number = isOfType('number');
is.function_ = isOfType('function');
is.null_ = (value) => value === null;
is.class_ = (value) => is.function_(value) && value.toString().startsWith('class ');
is.boolean = (value) => value === true || value === false;
// tslint:enable:variable-name
is.symbol = isOfType('symbol');
is.array = Array.isArray;
is.buffer = Buffer.isBuffer;
is.nullOrUndefined = (value) => is.null_(value) || is.undefined(value);
is.object = (value) => !is.nullOrUndefined(value) && (is.function_(value) || isObject(value));
is.iterable = (value) => !is.nullOrUndefined(value) && is.function_(value[Symbol.iterator]);
is.generator = (value) => is.iterable(value) && is.function_(value.next) && is.function_(value.throw);
is.nativePromise = isObjectOfType("Promise" /* Promise */);
const hasPromiseAPI = (value) => !is.null_(value) &&
isObject(value) &&
is.function_(value.then) &&
is.function_(value.catch);
is.promise = (value) => is.nativePromise(value) || hasPromiseAPI(value);
// TODO: Change to use `isObjectOfType` once Node.js 6 or higher is targeted
const isFunctionOfType = (type) => (value) => is.function_(value) && is.function_(value.constructor) && value.constructor.name === type;
is.generatorFunction = isFunctionOfType('GeneratorFunction');
is.asyncFunction = isFunctionOfType('AsyncFunction');
is.boundFunction = (value) => is.function_(value) && !value.hasOwnProperty('prototype');
is.regExp = isObjectOfType("RegExp" /* RegExp */);
is.date = isObjectOfType("Date" /* Date */);
is.error = isObjectOfType("Error" /* Error */);
is.map = isObjectOfType("Map" /* Map */);
is.set = isObjectOfType("Set" /* Set */);
is.weakMap = isObjectOfType("WeakMap" /* WeakMap */);
is.weakSet = isObjectOfType("WeakSet" /* WeakSet */);
is.int8Array = isObjectOfType("Int8Array" /* Int8Array */);
is.uint8Array = isObjectOfType("Uint8Array" /* Uint8Array */);
is.uint8ClampedArray = isObjectOfType("Uint8ClampedArray" /* Uint8ClampedArray */);
is.int16Array = isObjectOfType("Int16Array" /* Int16Array */);
is.uint16Array = isObjectOfType("Uint16Array" /* Uint16Array */);
is.int32Array = isObjectOfType("Int32Array" /* Int32Array */);
is.uint32Array = isObjectOfType("Uint32Array" /* Uint32Array */);
is.float32Array = isObjectOfType("Float32Array" /* Float32Array */);
is.float64Array = isObjectOfType("Float64Array" /* Float64Array */);
is.arrayBuffer = isObjectOfType("ArrayBuffer" /* ArrayBuffer */);
is.sharedArrayBuffer = isObjectOfType("SharedArrayBuffer" /* SharedArrayBuffer */);
is.dataView = isObjectOfType("DataView" /* DataView */);
// TODO: Remove `object` checks when targeting ES2015 or higher
// See `Notes`: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf
is.directInstanceOf = (instance, klass) => is.object(instance) && is.object(klass) && Object.getPrototypeOf(instance) === klass.prototype;
is.truthy = (value) => Boolean(value);
is.falsy = (value) => !value;
is.nan = (value) => Number.isNaN(value);
const primitiveTypes = new Set([
'undefined',
'string',
'number',
'boolean',
'symbol'
]);
is.primitive = (value) => is.null_(value) || primitiveTypes.has(typeof value);
is.integer = (value) => Number.isInteger(value);
is.safeInteger = (value) => Number.isSafeInteger(value);
is.plainObject = (value) => {
// From: https://github.com/sindresorhus/is-plain-obj/blob/master/index.js
let prototype;
return getObjectType(value) === "Object" /* Object */ &&
(prototype = Object.getPrototypeOf(value), prototype === null || // tslint:disable-line:ban-comma-operator
prototype === Object.getPrototypeOf({}));
};
const typedArrayTypes = new Set([
"Int8Array" /* Int8Array */,
"Uint8Array" /* Uint8Array */,
"Uint8ClampedArray" /* Uint8ClampedArray */,
"Int16Array" /* Int16Array */,
"Uint16Array" /* Uint16Array */,
"Int32Array" /* Int32Array */,
"Uint32Array" /* Uint32Array */,
"Float32Array" /* Float32Array */,
"Float64Array" /* Float64Array */
]);
is.typedArray = (value) => {
const objectType = getObjectType(value);
if (objectType === null) {
return false;
}
return typedArrayTypes.has(objectType);
};
const isValidLength = (value) => is.safeInteger(value) && value > -1;
is.arrayLike = (value) => !is.nullOrUndefined(value) && !is.function_(value) && isValidLength(value.length);
is.inRange = (value, range) => {
if (is.number(range)) {
return value >= Math.min(0, range) && value <= Math.max(range, 0);
}
if (is.array(range) && range.length === 2) {
// TODO: Use spread operator here when targeting Node.js 6 or higher
return value >= Math.min.apply(null, range) && value <= Math.max.apply(null, range);
}
throw new TypeError(`Invalid range: ${util.inspect(range)}`);
};
const NODE_TYPE_ELEMENT = 1;
const DOM_PROPERTIES_TO_CHECK = [
'innerHTML',
'ownerDocument',
'style',
'attributes',
'nodeValue'
];
is.domElement = (value) => is.object(value) && value.nodeType === NODE_TYPE_ELEMENT && is.string(value.nodeName) &&
!is.plainObject(value) && DOM_PROPERTIES_TO_CHECK.every(property => property in value);
is.nodeStream = (value) => !is.nullOrUndefined(value) && isObject(value) && is.function_(value.pipe);
is.infinite = (value) => value === Infinity || value === -Infinity;
const isAbsoluteMod2 = (value) => (rem) => is.integer(rem) && Math.abs(rem % 2) === value;
is.even = isAbsoluteMod2(0);
is.odd = isAbsoluteMod2(1);
const isWhiteSpaceString = (value) => is.string(value) && /\S/.test(value) === false;
const isEmptyStringOrArray = (value) => (is.string(value) || is.array(value)) && value.length === 0;
const isEmptyObject = (value) => !is.map(value) && !is.set(value) && is.object(value) && Object.keys(value).length === 0;
const isEmptyMapOrSet = (value) => (is.map(value) || is.set(value)) && value.size === 0;
is.empty = (value) => is.falsy(value) || isEmptyStringOrArray(value) || isEmptyObject(value) || isEmptyMapOrSet(value);
is.emptyOrWhitespace = (value) => is.empty(value) || isWhiteSpaceString(value);
const predicateOnArray = (method, predicate, args) => {
// `args` is the calling function's "arguments object".
// We have to do it this way to keep node v4 support.
// So here we convert it to an array and slice off the first item.
const values = Array.prototype.slice.call(args, 1);
if (is.function_(predicate) === false) {
throw new TypeError(`Invalid predicate: ${util.inspect(predicate)}`);
}
if (values.length === 0) {
throw new TypeError('Invalid number of values');
}
return method.call(values, predicate);
};
function any(predicate) {
return predicateOnArray(Array.prototype.some, predicate, arguments);
}
is.any = any;
function all(predicate) {
return predicateOnArray(Array.prototype.every, predicate, arguments);
}
is.all = all;
// tslint:enable:only-arrow-functions no-function-expression
})(is || (is = {}));
// Some few keywords are reserved, but we'll populate them for Node.js users
// See https://github.com/Microsoft/TypeScript/issues/2536
Object.defineProperties(is, {
class: {
value: is.class_
},
function: {
value: is.function_
},
null: {
value: is.null_
}
});
exports["default"] = is;
// For CommonJS default export support
module.exports = is;
module.exports["default"] = is;
/***/ }),
/***/ 95217:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
const fileType = __webpack_require__(31180);
const exts = new Set([
'7z',
'bz2',
'gz',
'rar',
'tar',
'zip',
'xz',
'gz'
]);
module.exports = input => {
const ret = fileType(input);
return exts.has(ret && ret.ext) ? ret : null;
};
/***/ }),
/***/ 31180:
/***/ ((module) => {
"use strict";
module.exports = input => {
const buf = new Uint8Array(input);
if (!(buf && buf.length > 1)) {
return null;
}
const check = (header, opts) => {
opts = Object.assign({
offset: 0
}, opts);
for (let i = 0; i < header.length; i++) {
if (header[i] !== buf[i + opts.offset]) {
return false;
}
}
return true;
};
if (check([0xFF, 0xD8, 0xFF])) {
return {
ext: 'jpg',
mime: 'image/jpeg'
};
}
if (check([0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A])) {
return {
ext: 'png',
mime: 'image/png'
};
}
if (check([0x47, 0x49, 0x46])) {
return {
ext: 'gif',
mime: 'image/gif'
};
}
if (check([0x57, 0x45, 0x42, 0x50], {offset: 8})) {
return {
ext: 'webp',
mime: 'image/webp'
};
}
if (check([0x46, 0x4C, 0x49, 0x46])) {
return {
ext: 'flif',
mime: 'image/flif'
};
}
// Needs to be before `tif` check
if (
(check([0x49, 0x49, 0x2A, 0x0]) || check([0x4D, 0x4D, 0x0, 0x2A])) &&
check([0x43, 0x52], {offset: 8})
) {
return {
ext: 'cr2',
mime: 'image/x-canon-cr2'
};
}
if (
check([0x49, 0x49, 0x2A, 0x0]) ||
check([0x4D, 0x4D, 0x0, 0x2A])
) {
return {
ext: 'tif',
mime: 'image/tiff'
};
}
if (check([0x42, 0x4D])) {
return {
ext: 'bmp',
mime: 'image/bmp'
};
}
if (check([0x49, 0x49, 0xBC])) {
return {
ext: 'jxr',
mime: 'image/vnd.ms-photo'
};
}
if (check([0x38, 0x42, 0x50, 0x53])) {
return {
ext: 'psd',
mime: 'image/vnd.adobe.photoshop'
};
}
// Needs to be before the `zip` check
if (
check([0x50, 0x4B, 0x3, 0x4]) &&
check([0x6D, 0x69, 0x6D, 0x65, 0x74, 0x79, 0x70, 0x65, 0x61, 0x70, 0x70, 0x6C, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x65, 0x70, 0x75, 0x62, 0x2B, 0x7A, 0x69, 0x70], {offset: 30})
) {
return {
ext: 'epub',
mime: 'application/epub+zip'
};
}
// Needs to be before `zip` check
// Assumes signed `.xpi` from addons.mozilla.org
if (
check([0x50, 0x4B, 0x3, 0x4]) &&
check([0x4D, 0x45, 0x54, 0x41, 0x2D, 0x49, 0x4E, 0x46, 0x2F, 0x6D, 0x6F, 0x7A, 0x69, 0x6C, 0x6C, 0x61, 0x2E, 0x72, 0x73, 0x61], {offset: 30})
) {
return {
ext: 'xpi',
mime: 'application/x-xpinstall'
};
}
if (
check([0x50, 0x4B]) &&
(buf[2] === 0x3 || buf[2] === 0x5 || buf[2] === 0x7) &&
(buf[3] === 0x4 || buf[3] === 0x6 || buf[3] === 0x8)
) {
return {
ext: 'zip',
mime: 'application/zip'
};
}
if (check([0x75, 0x73, 0x74, 0x61, 0x72], {offset: 257})) {
return {
ext: 'tar',
mime: 'application/x-tar'
};
}
if (
check([0x52, 0x61, 0x72, 0x21, 0x1A, 0x7]) &&
(buf[6] === 0x0 || buf[6] === 0x1)
) {
return {
ext: 'rar',
mime: 'application/x-rar-compressed'
};
}
if (check([0x1F, 0x8B, 0x8])) {
return {
ext: 'gz',
mime: 'application/gzip'
};
}
if (check([0x42, 0x5A, 0x68])) {
return {
ext: 'bz2',
mime: 'application/x-bzip2'
};
}
if (check([0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C])) {
return {
ext: '7z',
mime: 'application/x-7z-compressed'
};
}
if (check([0x78, 0x01])) {
return {
ext: 'dmg',
mime: 'application/x-apple-diskimage'
};
}
if (
(
check([0x0, 0x0, 0x0]) &&
(buf[3] === 0x18 || buf[3] === 0x20) &&
check([0x66, 0x74, 0x79, 0x70], {offset: 4})
) ||
check([0x33, 0x67, 0x70, 0x35]) ||
(
check([0x0, 0x0, 0x0, 0x1C, 0x66, 0x74, 0x79, 0x70, 0x6D, 0x70, 0x34, 0x32]) &&
check([0x6D, 0x70, 0x34, 0x31, 0x6D, 0x70, 0x34, 0x32, 0x69, 0x73, 0x6F, 0x6D], {offset: 16})
) ||
check([0x0, 0x0, 0x0, 0x1C, 0x66, 0x74, 0x79, 0x70, 0x69, 0x73, 0x6F, 0x6D]) ||
check([0x0, 0x0, 0x0, 0x1C, 0x66, 0x74, 0x79, 0x70, 0x6D, 0x70, 0x34, 0x32, 0x0, 0x0, 0x0, 0x0])
) {
return {
ext: 'mp4',
mime: 'video/mp4'
};
}
if (check([0x0, 0x0, 0x0, 0x1C, 0x66, 0x74, 0x79, 0x70, 0x4D, 0x34, 0x56])) {
return {
ext: 'm4v',
mime: 'video/x-m4v'
};
}
if (check([0x4D, 0x54, 0x68, 0x64])) {
return {
ext: 'mid',
mime: 'audio/midi'
};
}
// https://github.com/threatstack/libmagic/blob/master/magic/Magdir/matroska
if (check([0x1A, 0x45, 0xDF, 0xA3])) {
const sliced = buf.subarray(4, 4 + 4096);
const idPos = sliced.findIndex((el, i, arr) => arr[i] === 0x42 && arr[i + 1] === 0x82);
if (idPos >= 0) {
const docTypePos = idPos + 3;
const findDocType = type => Array.from(type).every((c, i) => sliced[docTypePos + i] === c.charCodeAt(0));
if (findDocType('matroska')) {
return {
ext: 'mkv',
mime: 'video/x-matroska'
};
}
if (findDocType('webm')) {
return {
ext: 'webm',
mime: 'video/webm'
};
}
}
}
if (check([0x0, 0x0, 0x0, 0x14, 0x66, 0x74, 0x79, 0x70, 0x71, 0x74, 0x20, 0x20]) ||
check([0x66, 0x72, 0x65, 0x65], {offset: 4}) ||
check([0x66, 0x74, 0x79, 0x70, 0x71, 0x74, 0x20, 0x20], {offset: 4}) ||
check([0x6D, 0x64, 0x61, 0x74], {offset: 4}) || // MJPEG
check([0x77, 0x69, 0x64, 0x65], {offset: 4})) {
return {
ext: 'mov',
mime: 'video/quicktime'
};
}
if (
check([0x52, 0x49, 0x46, 0x46]) &&
check([0x41, 0x56, 0x49], {offset: 8})
) {
return {
ext: 'avi',
mime: 'video/x-msvideo'
};
}
if (check([0x30, 0x26, 0xB2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xA6, 0xD9])) {
return {
ext: 'wmv',
mime: 'video/x-ms-wmv'
};
}
if (check([0x0, 0x0, 0x1, 0xBA])) {
return {
ext: 'mpg',
mime: 'video/mpeg'
};
}
if (
check([0x49, 0x44, 0x33]) ||
check([0xFF, 0xFB])
) {
return {
ext: 'mp3',
mime: 'audio/mpeg'
};
}
if (
check([0x66, 0x74, 0x79, 0x70, 0x4D, 0x34, 0x41], {offset: 4}) ||
check([0x4D, 0x34, 0x41, 0x20])
) {
return {
ext: 'm4a',
mime: 'audio/m4a'
};
}
// Needs to be before `ogg` check
if (check([0x4F, 0x70, 0x75, 0x73, 0x48, 0x65, 0x61, 0x64], {offset: 28})) {
return {
ext: 'opus',
mime: 'audio/opus'
};
}
if (check([0x4F, 0x67, 0x67, 0x53])) {
return {
ext: 'ogg',
mime: 'audio/ogg'
};
}
if (check([0x66, 0x4C, 0x61, 0x43])) {
return {
ext: 'flac',
mime: 'audio/x-flac'
};
}
if (
check([0x52, 0x49, 0x46, 0x46]) &&
check([0x57, 0x41, 0x56, 0x45], {offset: 8})
) {
return {
ext: 'wav',
mime: 'audio/x-wav'
};
}
if (check([0x23, 0x21, 0x41, 0x4D, 0x52, 0x0A])) {
return {
ext: 'amr',
mime: 'audio/amr'
};
}
if (check([0x25, 0x50, 0x44, 0x46])) {
return {
ext: 'pdf',
mime: 'application/pdf'
};
}
if (check([0x4D, 0x5A])) {
return {
ext: 'exe',
mime: 'application/x-msdownload'
};
}
if (
(buf[0] === 0x43 || buf[0] === 0x46) &&
check([0x57, 0x53], {offset: 1})
) {
return {
ext: 'swf',
mime: 'application/x-shockwave-flash'
};
}
if (check([0x7B, 0x5C, 0x72, 0x74, 0x66])) {
return {
ext: 'rtf',
mime: 'application/rtf'
};
}
if (check([0x00, 0x61, 0x73, 0x6D])) {
return {
ext: 'wasm',
mime: 'application/wasm'
};
}
if (
check([0x77, 0x4F, 0x46, 0x46]) &&
(
check([0x00, 0x01, 0x00, 0x00], {offset: 4}) ||
check([0x4F, 0x54, 0x54, 0x4F], {offset: 4})
)
) {
return {
ext: 'woff',
mime: 'application/font-woff'
};
}
if (
check([0x77, 0x4F, 0x46, 0x32]) &&
(
check([0x00, 0x01, 0x00, 0x00], {offset: 4}) ||
check([0x4F, 0x54, 0x54, 0x4F], {offset: 4})
)
) {
return {
ext: 'woff2',
mime: 'application/font-woff'
};
}
if (
check([0x4C, 0x50], {offset: 34}) &&
(
check([0x00, 0x00, 0x01], {offset: 8}) ||
check([0x01, 0x00, 0x02], {offset: 8}) ||
check([0x02, 0x00, 0x02], {offset: 8})
)
) {
return {
ext: 'eot',
mime: 'application/octet-stream'
};
}
if (check([0x00, 0x01, 0x00, 0x00, 0x00])) {
return {
ext: 'ttf',
mime: 'application/font-sfnt'
};
}
if (check([0x4F, 0x54, 0x54, 0x4F, 0x00])) {
return {
ext: 'otf',
mime: 'application/font-sfnt'
};
}
if (check([0x00, 0x00, 0x01, 0x00])) {
return {
ext: 'ico',
mime: 'image/x-icon'
};
}
if (check([0x46, 0x4C, 0x56, 0x01])) {
return {
ext: 'flv',
mime: 'video/x-flv'
};
}
if (check([0x25, 0x21])) {
return {
ext: 'ps',
mime: 'application/postscript'
};
}
if (check([0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00])) {
return {
ext: 'xz',
mime: 'application/x-xz'
};
}
if (check([0x53, 0x51, 0x4C, 0x69])) {
return {
ext: 'sqlite',
mime: 'application/x-sqlite3'
};
}
if (check([0x4E, 0x45, 0x53, 0x1A])) {
return {
ext: 'nes',
mime: 'application/x-nintendo-nes-rom'
};
}
if (check([0x43, 0x72, 0x32, 0x34])) {
return {
ext: 'crx',
mime: 'application/x-google-chrome-extension'
};
}
if (
check([0x4D, 0x53, 0x43, 0x46]) ||
check([0x49, 0x53, 0x63, 0x28])
) {
return {
ext: 'cab',
mime: 'application/vnd.ms-cab-compressed'
};
}
// Needs to be before `ar` check
if (check([0x21, 0x3C, 0x61, 0x72, 0x63, 0x68, 0x3E, 0x0A, 0x64, 0x65, 0x62, 0x69, 0x61, 0x6E, 0x2D, 0x62, 0x69, 0x6E, 0x61, 0x72, 0x79])) {
return {
ext: 'deb',
mime: 'application/x-deb'
};
}
if (check([0x21, 0x3C, 0x61, 0x72, 0x63, 0x68, 0x3E])) {
return {
ext: 'ar',
mime: 'application/x-unix-archive'
};
}
if (check([0xED, 0xAB, 0xEE, 0xDB])) {
return {
ext: 'rpm',
mime: 'application/x-rpm'
};
}
if (
check([0x1F, 0xA0]) ||
check([0x1F, 0x9D])
) {
return {
ext: 'Z',
mime: 'application/x-compress'
};
}
if (check([0x4C, 0x5A, 0x49, 0x50])) {
return {
ext: 'lz',
mime: 'application/x-lzip'
};
}
if (check([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1])) {
return {
ext: 'msi',
mime: 'application/x-msi'
};
}
if (check([0x06, 0x0E, 0x2B, 0x34, 0x02, 0x05, 0x01, 0x01, 0x0D, 0x01, 0x02, 0x01, 0x01, 0x02])) {
return {
ext: 'mxf',
mime: 'application/mxf'
};
}
if (check([0x42, 0x4C, 0x45, 0x4E, 0x44, 0x45, 0x52])) {
return {
ext: 'blend',
mime: 'application/x-blender'
};
}
return null;
};
/***/ }),
/***/ 31909:
/***/ ((module) => {
function allocUnsafe (size) {
if (typeof size !== 'number') {
throw new TypeError('"size" argument must be a number')
}
if (size < 0) {
throw new RangeError('"size" argument must not be negative')
}
if (Buffer.allocUnsafe) {
return Buffer.allocUnsafe(size)
} else {
return new Buffer(size)
}
}
module.exports = allocUnsafe
/***/ }),
/***/ 42822:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
var bufferFill = __webpack_require__(7676)
var allocUnsafe = __webpack_require__(31909)
module.exports = function alloc (size, fill, encoding) {
if (typeof size !== 'number') {
throw new TypeError('"size" argument must be a number')
}
if (size < 0) {
throw new RangeError('"size" argument must not be negative')
}
if (Buffer.alloc) {
return Buffer.alloc(size, fill, encoding)
}
var buffer = allocUnsafe(size)
if (size === 0) {
return buffer
}
if (fill === undefined) {
return bufferFill(buffer, 0)
}
if (typeof encoding !== 'string') {
encoding = undefined
}
return bufferFill(buffer, fill, encoding)
}
/***/ }),
/***/ 82779:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
var Buffer = (__webpack_require__(14300).Buffer);
var CRC_TABLE = [
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
0x2d02ef8d
];
if (typeof Int32Array !== 'undefined') {
CRC_TABLE = new Int32Array(CRC_TABLE);
}
function ensureBuffer(input) {
if (Buffer.isBuffer(input)) {
return input;
}
var hasNewBufferAPI =
typeof Buffer.alloc === "function" &&
typeof Buffer.from === "function";
if (typeof input === "number") {
return hasNewBufferAPI ? Buffer.alloc(input) : new Buffer(input);
}
else if (typeof input === "string") {
return hasNewBufferAPI ? Buffer.from(input) : new Buffer(input);
}
else {
throw new Error("input must be buffer, number, or string, received " +
typeof input);
}
}
function bufferizeInt(num) {
var tmp = ensureBuffer(4);
tmp.writeInt32BE(num, 0);
return tmp;
}
function _crc32(buf, previous) {
buf = ensureBuffer(buf);
if (Buffer.isBuffer(previous)) {
previous = previous.readUInt32BE(0);
}
var crc = ~~previous ^ -1;
for (var n = 0; n < buf.length; n++) {
crc = CRC_TABLE[(crc ^ buf[n]) & 0xff] ^ (crc >>> 8);
}
return (crc ^ -1);
}
function crc32() {
return bufferizeInt(_crc32.apply(null, arguments));
}
crc32.signed = function () {
return _crc32.apply(null, arguments);
};
crc32.unsigned = function () {
return _crc32.apply(null, arguments) >>> 0;
};
module.exports = crc32;
/***/ }),
/***/ 7676:
/***/ ((module) => {
/* Node.js 6.4.0 and up has full support */
var hasFullSupport = (function () {
try {
if (!Buffer.isEncoding('latin1')) {
return false
}
var buf = Buffer.alloc ? Buffer.alloc(4) : new Buffer(4)
buf.fill('ab', 'ucs2')
return (buf.toString('hex') === '61006200')
} catch (_) {
return false
}
}())
function isSingleByte (val) {
return (val.length === 1 && val.charCodeAt(0) < 256)
}
function fillWithNumber (buffer, val, start, end) {
if (start < 0 || end > buffer.length) {
throw new RangeError('Out of range index')
}
start = start >>> 0
end = end === undefined ? buffer.length : end >>> 0
if (end > start) {
buffer.fill(val, start, end)
}
return buffer
}
function fillWithBuffer (buffer, val, start, end) {
if (start < 0 || end > buffer.length) {
throw new RangeError('Out of range index')
}
if (end <= start) {
return buffer
}
start = start >>> 0
end = end === undefined ? buffer.length : end >>> 0
var pos = start
var len = val.length
while (pos <= (end - len)) {
val.copy(buffer, pos)
pos += len
}
if (pos !== end) {
val.copy(buffer, pos, 0, end - pos)
}
return buffer
}
function fill (buffer, val, start, end, encoding) {
if (hasFullSupport) {
return buffer.fill(val, start, end, encoding)
}
if (typeof val === 'number') {
return fillWithNumber(buffer, val, start, end)
}
if (typeof val === 'string') {
if (typeof start === 'string') {
encoding = start
start = 0
end = buffer.length
} else if (typeof end === 'string') {
encoding = end
end = buffer.length
}
if (encoding !== undefined && typeof encoding !== 'string') {
throw new TypeError('encoding must be a string')
}
if (encoding === 'latin1') {
encoding = 'binary'
}
if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
throw new TypeError('Unknown encoding: ' + encoding)
}
if (val === '') {
return fillWithNumber(buffer, 0, start, end)
}
if (isSingleByte(val)) {
return fillWithNumber(buffer, val.charCodeAt(0), start, end)
}
val = new Buffer(val, encoding)
}
if (Buffer.isBuffer(val)) {
return fillWithBuffer(buffer, val, start, end)
}
// Other values (e.g. undefined, boolean, object) results in zero-fill
return fillWithNumber(buffer, 0, start, end)
}
module.exports = fill
/***/ }),
/***/ 22818:
/***/ ((module) => {
"use strict";
// rfc7231 6.1
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var statusCodeCacheableByDefault = [200, 203, 204, 206, 300, 301, 404, 405, 410, 414, 501];
// This implementation does not understand partial responses (206)
var understoodStatuses = [200, 203, 204, 300, 301, 302, 303, 307, 308, 404, 405, 410, 414, 501];
var hopByHopHeaders = { 'connection': true, 'keep-alive': true, 'proxy-authenticate': true, 'proxy-authorization': true, 'te': true, 'trailer': true, 'transfer-encoding': true, 'upgrade': true };
var excludedFromRevalidationUpdate = {
// Since the old body is reused, it doesn't make sense to change properties of the body
'content-length': true, 'content-encoding': true, 'transfer-encoding': true,
'content-range': true
};
function parseCacheControl(header) {
var cc = {};
if (!header) return cc;
// TODO: When there is more than one value present for a given directive (e.g., two Expires header fields, multiple Cache-Control: max-age directives),
// the directive's value is considered invalid. Caches are encouraged to consider responses that have invalid freshness information to be stale
var parts = header.trim().split(/\s*,\s*/); // TODO: lame parsing
for (var _iterator = parts, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var part = _ref;
var _part$split = part.split(/\s*=\s*/, 2),
k = _part$split[0],
v = _part$split[1];
cc[k] = v === undefined ? true : v.replace(/^"|"$/g, ''); // TODO: lame unquoting
}
return cc;
}
function formatCacheControl(cc) {
var parts = [];
for (var k in cc) {
var v = cc[k];
parts.push(v === true ? k : k + '=' + v);
}
if (!parts.length) {
return undefined;
}
return parts.join(', ');
}
module.exports = function () {
function CachePolicy(req, res) {
var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
shared = _ref2.shared,
cacheHeuristic = _ref2.cacheHeuristic,
immutableMinTimeToLive = _ref2.immutableMinTimeToLive,
ignoreCargoCult = _ref2.ignoreCargoCult,
_fromObject = _ref2._fromObject;
_classCallCheck(this, CachePolicy);
if (_fromObject) {
this._fromObject(_fromObject);
return;
}
if (!res || !res.headers) {
throw Error("Response headers missing");
}
this._assertRequestHasHeaders(req);
this._responseTime = this.now();
this._isShared = shared !== false;
this._cacheHeuristic = undefined !== cacheHeuristic ? cacheHeuristic : 0.1; // 10% matches IE
this._immutableMinTtl = undefined !== immutableMinTimeToLive ? immutableMinTimeToLive : 24 * 3600 * 1000;
this._status = 'status' in res ? res.status : 200;
this._resHeaders = res.headers;
this._rescc = parseCacheControl(res.headers['cache-control']);
this._method = 'method' in req ? req.method : 'GET';
this._url = req.url;
this._host = req.headers.host;
this._noAuthorization = !req.headers.authorization;
this._reqHeaders = res.headers.vary ? req.headers : null; // Don't keep all request headers if they won't be used
this._reqcc = parseCacheControl(req.headers['cache-control']);
// Assume that if someone uses legacy, non-standard uncecessary options they don't understand caching,
// so there's no point stricly adhering to the blindly copy&pasted directives.
if (ignoreCargoCult && "pre-check" in this._rescc && "post-check" in this._rescc) {
delete this._rescc['pre-check'];
delete this._rescc['post-check'];
delete this._rescc['no-cache'];
delete this._rescc['no-store'];
delete this._rescc['must-revalidate'];
this._resHeaders = Object.assign({}, this._resHeaders, { 'cache-control': formatCacheControl(this._rescc) });
delete this._resHeaders.expires;
delete this._resHeaders.pragma;
}
// When the Cache-Control header field is not present in a request, caches MUST consider the no-cache request pragma-directive
// as having the same effect as if "Cache-Control: no-cache" were present (see Section 5.2.1).
if (!res.headers['cache-control'] && /no-cache/.test(res.headers.pragma)) {
this._rescc['no-cache'] = true;
}
}
CachePolicy.prototype.now = function now() {
return Date.now();
};
CachePolicy.prototype.storable = function storable() {
// The "no-store" request directive indicates that a cache MUST NOT store any part of either this request or any response to it.
return !!(!this._reqcc['no-store'] && (
// A cache MUST NOT store a response to any request, unless:
// The request method is understood by the cache and defined as being cacheable, and
'GET' === this._method || 'HEAD' === this._method || 'POST' === this._method && this._hasExplicitExpiration()) &&
// the response status code is understood by the cache, and
understoodStatuses.indexOf(this._status) !== -1 &&
// the "no-store" cache directive does not appear in request or response header fields, and
!this._rescc['no-store'] && (
// the "private" response directive does not appear in the response, if the cache is shared, and
!this._isShared || !this._rescc.private) && (
// the Authorization header field does not appear in the request, if the cache is shared,
!this._isShared || this._noAuthorization || this._allowsStoringAuthenticated()) && (
// the response either:
// contains an Expires header field, or
this._resHeaders.expires ||
// contains a max-age response directive, or
// contains a s-maxage response directive and the cache is shared, or
// contains a public response directive.
this._rescc.public || this._rescc['max-age'] || this._rescc['s-maxage'] ||
// has a status code that is defined as cacheable by default
statusCodeCacheableByDefault.indexOf(this._status) !== -1));
};
CachePolicy.prototype._hasExplicitExpiration = function _hasExplicitExpiration() {
// 4.2.1 Calculating Freshness Lifetime
return this._isShared && this._rescc['s-maxage'] || this._rescc['max-age'] || this._resHeaders.expires;
};
CachePolicy.prototype._assertRequestHasHeaders = function _assertRequestHasHeaders(req) {
if (!req || !req.headers) {
throw Error("Request headers missing");
}
};
CachePolicy.prototype.satisfiesWithoutRevalidation = function satisfiesWithoutRevalidation(req) {
this._assertRequestHasHeaders(req);
// When presented with a request, a cache MUST NOT reuse a stored response, unless:
// the presented request does not contain the no-cache pragma (Section 5.4), nor the no-cache cache directive,
// unless the stored response is successfully validated (Section 4.3), and
var requestCC = parseCacheControl(req.headers['cache-control']);
if (requestCC['no-cache'] || /no-cache/.test(req.headers.pragma)) {
return false;
}
if (requestCC['max-age'] && this.age() > requestCC['max-age']) {
return false;
}
if (requestCC['min-fresh'] && this.timeToLive() < 1000 * requestCC['min-fresh']) {
return false;
}
// the stored response is either:
// fresh, or allowed to be served stale
if (this.stale()) {
var allowsStale = requestCC['max-stale'] && !this._rescc['must-revalidate'] && (true === requestCC['max-stale'] || requestCC['max-stale'] > this.age() - this.maxAge());
if (!allowsStale) {
return false;
}
}
return this._requestMatches(req, false);
};
CachePolicy.prototype._requestMatches = function _requestMatches(req, allowHeadMethod) {
// The presented effective request URI and that of the stored response match, and
return (!this._url || this._url === req.url) && this._host === req.headers.host && (
// the request method associated with the stored response allows it to be used for the presented request, and
!req.method || this._method === req.method || allowHeadMethod && 'HEAD' === req.method) &&
// selecting header fields nominated by the stored response (if any) match those presented, and
this._varyMatches(req);
};
CachePolicy.prototype._allowsStoringAuthenticated = function _allowsStoringAuthenticated() {
// following Cache-Control response directives (Section 5.2.2) have such an effect: must-revalidate, public, and s-maxage.
return this._rescc['must-revalidate'] || this._rescc.public || this._rescc['s-maxage'];
};
CachePolicy.prototype._varyMatches = function _varyMatches(req) {
if (!this._resHeaders.vary) {
return true;
}
// A Vary header field-value of "*" always fails to match
if (this._resHeaders.vary === '*') {
return false;
}
var fields = this._resHeaders.vary.trim().toLowerCase().split(/\s*,\s*/);
for (var _iterator2 = fields, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
var _ref3;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref3 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref3 = _i2.value;
}
var name = _ref3;
if (req.headers[name] !== this._reqHeaders[name]) return false;
}
return true;
};
CachePolicy.prototype._copyWithoutHopByHopHeaders = function _copyWithoutHopByHopHeaders(inHeaders) {
var headers = {};
for (var name in inHeaders) {
if (hopByHopHeaders[name]) continue;
headers[name] = inHeaders[name];
}
// 9.1. Connection
if (inHeaders.connection) {
var tokens = inHeaders.connection.trim().split(/\s*,\s*/);
for (var _iterator3 = tokens, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
var _ref4;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref4 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref4 = _i3.value;
}
var _name = _ref4;
delete headers[_name];
}
}
if (headers.warning) {
var warnings = headers.warning.split(/,/).filter(function (warning) {
return !/^\s*1[0-9][0-9]/.test(warning);
});
if (!warnings.length) {
delete headers.warning;
} else {
headers.warning = warnings.join(',').trim();
}
}
return headers;
};
CachePolicy.prototype.responseHeaders = function responseHeaders() {
var headers = this._copyWithoutHopByHopHeaders(this._resHeaders);
var age = this.age();
// A cache SHOULD generate 113 warning if it heuristically chose a freshness
// lifetime greater than 24 hours and the response's age is greater than 24 hours.
if (age > 3600 * 24 && !this._hasExplicitExpiration() && this.maxAge() > 3600 * 24) {
headers.warning = (headers.warning ? `${headers.warning}, ` : '') + '113 - "rfc7234 5.5.4"';
}
headers.age = `${Math.round(age)}`;
return headers;
};
/**
* Value of the Date response header or current time if Date was demed invalid
* @return timestamp
*/
CachePolicy.prototype.date = function date() {
var dateValue = Date.parse(this._resHeaders.date);
var maxClockDrift = 8 * 3600 * 1000;
if (Number.isNaN(dateValue) || dateValue < this._responseTime - maxClockDrift || dateValue > this._responseTime + maxClockDrift) {
return this._responseTime;
}
return dateValue;
};
/**
* Value of the Age header, in seconds, updated for the current time.
* May be fractional.
*
* @return Number
*/
CachePolicy.prototype.age = function age() {
var age = Math.max(0, (this._responseTime - this.date()) / 1000);
if (this._resHeaders.age) {
var ageValue = this._ageValue();
if (ageValue > age) age = ageValue;
}
var residentTime = (this.now() - this._responseTime) / 1000;
return age + residentTime;
};
CachePolicy.prototype._ageValue = function _ageValue() {
var ageValue = parseInt(this._resHeaders.age);
return isFinite(ageValue) ? ageValue : 0;
};
/**
* Value of applicable max-age (or heuristic equivalent) in seconds. This counts since response's `Date`.
*
* For an up-to-date value, see `timeToLive()`.
*
* @return Number
*/
CachePolicy.prototype.maxAge = function maxAge() {
if (!this.storable() || this._rescc['no-cache']) {
return 0;
}
// Shared responses with cookies are cacheable according to the RFC, but IMHO it'd be unwise to do so by default
// so this implementation requires explicit opt-in via public header
if (this._isShared && this._resHeaders['set-cookie'] && !this._rescc.public && !this._rescc.immutable) {
return 0;
}
if (this._resHeaders.vary === '*') {
return 0;
}
if (this._isShared) {
if (this._rescc['proxy-revalidate']) {
return 0;
}
// if a response includes the s-maxage directive, a shared cache recipient MUST ignore the Expires field.
if (this._rescc['s-maxage']) {
return parseInt(this._rescc['s-maxage'], 10);
}
}
// If a response includes a Cache-Control field with the max-age directive, a recipient MUST ignore the Expires field.
if (this._rescc['max-age']) {
return parseInt(this._rescc['max-age'], 10);
}
var defaultMinTtl = this._rescc.immutable ? this._immutableMinTtl : 0;
var dateValue = this.date();
if (this._resHeaders.expires) {
var expires = Date.parse(this._resHeaders.expires);
// A cache recipient MUST interpret invalid date formats, especially the value "0", as representing a time in the past (i.e., "already expired").
if (Number.isNaN(expires) || expires < dateValue) {
return 0;
}
return Math.max(defaultMinTtl, (expires - dateValue) / 1000);
}
if (this._resHeaders['last-modified']) {
var lastModified = Date.parse(this._resHeaders['last-modified']);
if (isFinite(lastModified) && dateValue > lastModified) {
return Math.max(defaultMinTtl, (dateValue - lastModified) / 1000 * this._cacheHeuristic);
}
}
return defaultMinTtl;
};
CachePolicy.prototype.timeToLive = function timeToLive() {
return Math.max(0, this.maxAge() - this.age()) * 1000;
};
CachePolicy.prototype.stale = function stale() {
return this.maxAge() <= this.age();
};
CachePolicy.fromObject = function fromObject(obj) {
return new this(undefined, undefined, { _fromObject: obj });
};
CachePolicy.prototype._fromObject = function _fromObject(obj) {
if (this._responseTime) throw Error("Reinitialized");
if (!obj || obj.v !== 1) throw Error("Invalid serialization");
this._responseTime = obj.t;
this._isShared = obj.sh;
this._cacheHeuristic = obj.ch;
this._immutableMinTtl = obj.imm !== undefined ? obj.imm : 24 * 3600 * 1000;
this._status = obj.st;
this._resHeaders = obj.resh;
this._rescc = obj.rescc;
this._method = obj.m;
this._url = obj.u;
this._host = obj.h;
this._noAuthorization = obj.a;
this._reqHeaders = obj.reqh;
this._reqcc = obj.reqcc;
};
CachePolicy.prototype.toObject = function toObject() {
return {
v: 1,
t: this._responseTime,
sh: this._isShared,
ch: this._cacheHeuristic,
imm: this._immutableMinTtl,
st: this._status,
resh: this._resHeaders,
rescc: this._rescc,
m: this._method,
u: this._url,
h: this._host,
a: this._noAuthorization,
reqh: this._reqHeaders,
reqcc: this._reqcc
};
};
/**
* Headers for sending to the origin server to revalidate stale response.
* Allows server to return 304 to allow reuse of the previous response.
*
* Hop by hop headers are always stripped.
* Revalidation headers may be added or removed, depending on request.
*/
CachePolicy.prototype.revalidationHeaders = function revalidationHeaders(incomingReq) {
this._assertRequestHasHeaders(incomingReq);
var headers = this._copyWithoutHopByHopHeaders(incomingReq.headers);
// This implementation does not understand range requests
delete headers['if-range'];
if (!this._requestMatches(incomingReq, true) || !this.storable()) {
// revalidation allowed via HEAD
// not for the same resource, or wasn't allowed to be cached anyway
delete headers['if-none-match'];
delete headers['if-modified-since'];
return headers;
}
/* MUST send that entity-tag in any cache validation request (using If-Match or If-None-Match) if an entity-tag has been provided by the origin server. */
if (this._resHeaders.etag) {
headers['if-none-match'] = headers['if-none-match'] ? `${headers['if-none-match']}, ${this._resHeaders.etag}` : this._resHeaders.etag;
}
// Clients MAY issue simple (non-subrange) GET requests with either weak validators or strong validators. Clients MUST NOT use weak validators in other forms of request.
var forbidsWeakValidators = headers['accept-ranges'] || headers['if-match'] || headers['if-unmodified-since'] || this._method && this._method != 'GET';
/* SHOULD send the Last-Modified value in non-subrange cache validation requests (using If-Modified-Since) if only a Last-Modified value has been provided by the origin server.
Note: This implementation does not understand partial responses (206) */
if (forbidsWeakValidators) {
delete headers['if-modified-since'];
if (headers['if-none-match']) {
var etags = headers['if-none-match'].split(/,/).filter(function (etag) {
return !/^\s*W\//.test(etag);
});
if (!etags.length) {
delete headers['if-none-match'];
} else {
headers['if-none-match'] = etags.join(',').trim();
}
}
} else if (this._resHeaders['last-modified'] && !headers['if-modified-since']) {
headers['if-modified-since'] = this._resHeaders['last-modified'];
}
return headers;
};
/**
* Creates new CachePolicy with information combined from the previews response,
* and the new revalidation response.
*
* Returns {policy, modified} where modified is a boolean indicating
* whether the response body has been modified, and old cached body can't be used.
*
* @return {Object} {policy: CachePolicy, modified: Boolean}
*/
CachePolicy.prototype.revalidatedPolicy = function revalidatedPolicy(request, response) {
this._assertRequestHasHeaders(request);
if (!response || !response.headers) {
throw Error("Response headers missing");
}
// These aren't going to be supported exactly, since one CachePolicy object
// doesn't know about all the other cached objects.
var matches = false;
if (response.status !== undefined && response.status != 304) {
matches = false;
} else if (response.headers.etag && !/^\s*W\//.test(response.headers.etag)) {
// "All of the stored responses with the same strong validator are selected.
// If none of the stored responses contain the same strong validator,
// then the cache MUST NOT use the new response to update any stored responses."
matches = this._resHeaders.etag && this._resHeaders.etag.replace