m/metamask-extension
1
0
Fork 0
mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-10-22 03:12:42 +02:00
Code

Add additional validation for persisted state metadata (#20462)

Browse Source 
Additional validation has been added for persisted state metadata.
Beforehand we just checked that the state itself wasn't falsy. Now we
ensure that the metadata is an object with a valid version as well.
This commit is contained in:
Mark Stacey 2023-08-16 19:45:31 -02:30 committed by Dan Miller
parent 915bf2ae88
commit dc7ebe979e
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
app/scripts/background.js
View File

@ -13,6 +13,7 @@ import debounce from 'debounce-stream';
import log from 'loglevel';
import browser from 'webextension-polyfill';
import { storeAsStream } from '@metamask/obs-store';
import { isObject } from '@metamask/utils';
///: BEGIN:ONLY_INCLUDE_IN(snaps)
import { ApprovalType } from '@metamask/controller-utils';
///: END:ONLY_INCLUDE_IN
@ -411,6 +412,19 @@ export async function loadStateFromPersistence() {
versionedData = await migrator.migrateData(versionedData);
if (!versionedData) {
throw new Error('MetaMask - migrator returned undefined');
} else if (!isObject(versionedData.meta)) {
throw new Error(
`MetaMask - migrator metadata has invalid type '${typeof versionedData.meta}'`,
);
} else if (typeof versionedData.meta.version !== 'number') {
throw new Error(
`MetaMask - migrator metadata version has invalid type '${typeof versionedData
.meta.version}'`,
);
} else if (!isObject(versionedData.data)) {
throw new Error(
`MetaMask - migrator data has invalid type '${typeof versionedData.data}'`,
);
}
// this initializes the meta/version data as a class variable to be used for future writes
localStore.setMetadata(versionedData.meta);