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harden context selection

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This commit is contained in:
Fabian Freund
2026-05-27 07:04:47 +02:00
parent 4b74223a3f
commit 496e2265c5
1 changed files with 6 additions and 1 deletions
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packages/flutter_mozilla_components/javascript/container_proxy/src/background/BackgroundMain.ts
+6 -1
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@@ -92,7 +92,12 @@ export default class BackgroundMain {
async onRequest(requestDetails: Pick<_OnRequestDetails, 'cookieStoreId' | 'url' | 'tabId'>): Promise<DoNotProxy | ProxyInfo[]> {
try {
const tab = await this.tabForRequest(requestDetails.tabId)
const contextId = this.contextIdFromCookieStoreId(tab?.cookieStoreId ?? requestDetails.cookieStoreId)
// `||` (not `??`) so an empty-string cookieStoreId on the tab falls
// back to the request's cookieStoreId. Some extension code paths
// surface `''` for tabs without an explicit container assignment,
// which `??` would treat as a real value and stop the fallback.
const cookieStoreId = (tab?.cookieStoreId || requestDetails.cookieStoreId)
const contextId = this.contextIdFromCookieStoreId(cookieStoreId)
if (contextId === null) {
return doNotProxy