Crypto.js 4.4 KB

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  1. "use strict";
  2. const conversions = require("webidl-conversions");
  3. const utils = require("./utils.js");
  4. const implSymbol = utils.implSymbol;
  5. const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  6. const interfaceName = "Crypto";
  7. exports.is = value => {
  8. return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
  9. };
  10. exports.isImpl = value => {
  11. return utils.isObject(value) && value instanceof Impl.implementation;
  12. };
  13. exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
  14. if (exports.is(value)) {
  15. return utils.implForWrapper(value);
  16. }
  17. throw new globalObject.TypeError(`${context} is not of type 'Crypto'.`);
  18. };
  19. function makeWrapper(globalObject, newTarget) {
  20. let proto;
  21. if (newTarget !== undefined) {
  22. proto = newTarget.prototype;
  23. }
  24. if (!utils.isObject(proto)) {
  25. proto = globalObject[ctorRegistrySymbol]["Crypto"].prototype;
  26. }
  27. return Object.create(proto);
  28. }
  29. exports.create = (globalObject, constructorArgs, privateData) => {
  30. const wrapper = makeWrapper(globalObject);
  31. return exports.setup(wrapper, globalObject, constructorArgs, privateData);
  32. };
  33. exports.createImpl = (globalObject, constructorArgs, privateData) => {
  34. const wrapper = exports.create(globalObject, constructorArgs, privateData);
  35. return utils.implForWrapper(wrapper);
  36. };
  37. exports._internalSetup = (wrapper, globalObject) => {};
  38. exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
  39. privateData.wrapper = wrapper;
  40. exports._internalSetup(wrapper, globalObject);
  41. Object.defineProperty(wrapper, implSymbol, {
  42. value: new Impl.implementation(globalObject, constructorArgs, privateData),
  43. configurable: true
  44. });
  45. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  46. if (Impl.init) {
  47. Impl.init(wrapper[implSymbol]);
  48. }
  49. return wrapper;
  50. };
  51. exports.new = (globalObject, newTarget) => {
  52. const wrapper = makeWrapper(globalObject, newTarget);
  53. exports._internalSetup(wrapper, globalObject);
  54. Object.defineProperty(wrapper, implSymbol, {
  55. value: Object.create(Impl.implementation.prototype),
  56. configurable: true
  57. });
  58. wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
  59. if (Impl.init) {
  60. Impl.init(wrapper[implSymbol]);
  61. }
  62. return wrapper[implSymbol];
  63. };
  64. const exposed = new Set(["Window", "Worker"]);
  65. exports.install = (globalObject, globalNames) => {
  66. if (!globalNames.some(globalName => exposed.has(globalName))) {
  67. return;
  68. }
  69. const ctorRegistry = utils.initCtorRegistry(globalObject);
  70. class Crypto {
  71. constructor() {
  72. throw new globalObject.TypeError("Illegal constructor");
  73. }
  74. getRandomValues(array) {
  75. const esValue = this !== null && this !== undefined ? this : globalObject;
  76. if (!exports.is(esValue)) {
  77. throw new globalObject.TypeError(
  78. "'getRandomValues' called on an object that is not a valid instance of Crypto."
  79. );
  80. }
  81. if (arguments.length < 1) {
  82. throw new globalObject.TypeError(
  83. `Failed to execute 'getRandomValues' on 'Crypto': 1 argument required, but only ${arguments.length} present.`
  84. );
  85. }
  86. const args = [];
  87. {
  88. let curArg = arguments[0];
  89. if (ArrayBuffer.isView(curArg)) {
  90. curArg = conversions["ArrayBufferView"](curArg, {
  91. context: "Failed to execute 'getRandomValues' on 'Crypto': parameter 1",
  92. globals: globalObject
  93. });
  94. } else {
  95. throw new globalObject.TypeError(
  96. "Failed to execute 'getRandomValues' on 'Crypto': parameter 1" + " is not of any supported type."
  97. );
  98. }
  99. args.push(curArg);
  100. }
  101. return esValue[implSymbol].getRandomValues(...args);
  102. }
  103. randomUUID() {
  104. const esValue = this !== null && this !== undefined ? this : globalObject;
  105. if (!exports.is(esValue)) {
  106. throw new globalObject.TypeError("'randomUUID' called on an object that is not a valid instance of Crypto.");
  107. }
  108. return esValue[implSymbol].randomUUID();
  109. }
  110. }
  111. Object.defineProperties(Crypto.prototype, {
  112. getRandomValues: { enumerable: true },
  113. randomUUID: { enumerable: true },
  114. [Symbol.toStringTag]: { value: "Crypto", configurable: true }
  115. });
  116. ctorRegistry[interfaceName] = Crypto;
  117. Object.defineProperty(globalObject, interfaceName, {
  118. configurable: true,
  119. writable: true,
  120. value: Crypto
  121. });
  122. };
  123. const Impl = require("../../jsdom/living/crypto/Crypto-impl.js");