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Code Issues Packages 1 Wiki Activity

Test crypto.getRandomValues() with wpt (#9016)

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Yacine Hmito 2021-01-10 17:27:15 +01:00 committed by GitHub
parent cd2f7ae69d
commit f7e09c6a55
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2 changed files with 36 additions and 8 deletions
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3
cli/tests/wpt.jsonc
View file

@ -173,5 +173,8 @@
"measure-l3",
"structured-serialize-detail",
"user_timing_exists"
],
"WebCryptoApi": [
"getRandomValues"
]
}

41
op_crates/crypto/01_crypto.js
View file

@ -2,19 +2,44 @@
((window) => {
const core = window.Deno.core;
function getRandomValues(typedArray) {
if (typedArray == null) throw new Error("Input must not be null");
if (typedArray.length > 65536) {
throw new Error("Input must not be longer than 65536");
function getRandomValues(arrayBufferView) {
if (!ArrayBuffer.isView(arrayBufferView)) {
throw new TypeError(
"Argument 1 does not implement interface ArrayBufferView",
);
}
if (
!(
arrayBufferView instanceof Int8Array ||
arrayBufferView instanceof Uint8Array ||
arrayBufferView instanceof Int16Array ||
arrayBufferView instanceof Uint16Array ||
arrayBufferView instanceof Int32Array ||
arrayBufferView instanceof Uint32Array ||
arrayBufferView instanceof Uint8ClampedArray
)
) {
throw new DOMException(
"The provided ArrayBufferView is not an integer array type",
"TypeMismatchError",
);
}
if (arrayBufferView.byteLength > 65536) {
throw new DOMException(
`The ArrayBufferView's byte length (${arrayBufferView.byteLength}) exceeds the number of bytes of entropy available via this API (65536)`,
"QuotaExceededError",
);
}
const ui8 = new Uint8Array(
typedArray.buffer,
typedArray.byteOffset,
typedArray.byteLength,
arrayBufferView.buffer,
arrayBufferView.byteOffset,
arrayBufferView.byteLength,
);
core.jsonOpSync("op_get_random_values", {}, ui8);
return typedArray;
return arrayBufferView;
}
window.crypto = {
getRandomValues,
};