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metamask-extension/app/scripts/flask/snaps-utilities.js
David Drazic 2754f7e7ed
Add changes to support blocking Snaps by source shasum (#15830)
Refactor code and add unit tests for blocklist

Add small fix for undefined

Update property names

Structural refactoring

Refactor and improve unit tests

Add comment that explains part of snaps blocking logic

Refactor blocklist utility
2022-09-23 18:56:46 +02:00

36 lines
1.2 KiB
JavaScript

import { satisfies as satisfiesSemver } from 'semver';
/**
* Checks if provided snaps are on the block list.
*
* @param snapsToCheck - An object containing snap ids and other information.
* @param blocklist - An object containing snap ids, version or shasum of the blocked snaps.
* @returns An object structure containing snaps block information.
*/
async function checkSnapsBlockList(snapsToCheck, blocklist) {
return Object.entries(snapsToCheck).reduce((acc, [snapId, snapInfo]) => {
const blockInfo = blocklist.find(
(blocked) =>
(blocked.id === snapId &&
satisfiesSemver(snapInfo.version, blocked.versionRange, {
includePrerelease: true,
})) ||
// Check for null/undefined for a case in which SnapController did not return
// a valid message. This will avoid blocking all snaps in the given case.
// Avoid having (undefined === undefined).
(blocked.shasum ? blocked.shasum === snapInfo.shasum : false),
);
acc[snapId] = blockInfo
? {
blocked: true,
reason: blockInfo.reason,
infoUrl: blockInfo.infoUrl,
}
: { blocked: false };
return acc;
}, {});
}
export { checkSnapsBlockList };