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Close event streams for expired sessions

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When a session expires close any event streams that have been opened
with that session.  This prevents an attacker with a leaked session
cookie from opening a stream and receiving updates indefinitely without
being detected.

By sending the session the event stream is opened with when the stream
is established this closure on session expiry also serves as a way for
a user agent to be notified whenever its own access level changes.
This commit is contained in:
Hornwitser 2025-07-08 15:43:14 +02:00
parent 2d5af78568
commit 011687b391
12 changed files with 132 additions and 44 deletions
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12
stores/session.ts
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@ -4,7 +4,7 @@
*/
import { appendResponseHeader } from "h3";
import type { H3Event } from "h3";
import type { ApiAccount } from "~/shared/types/api";
import type { ApiAccount, ApiSession } from "~/shared/types/api";
const fetchSessionWithCookie = async (event?: H3Event) => {
// Client side
@ -33,6 +33,9 @@ export const useSessionStore = defineStore("session", () => {
const actions = {
async fetch(event?: H3Event) {
const session = await fetchSessionWithCookie(event)
actions.update(session);
},
update(session?: ApiSession) {
state.account.value = session?.account;
state.id.value = session?.id;
state.push.value = session?.push ?? false;
@ -58,6 +61,13 @@ export const useSessionStore = defineStore("session", () => {
},
};
appEventSource?.addEventListener("update", (event) => {
if (event.data.type !== "connected") {
return;
}
actions.update(event.data.session);
});
return {
...state,
...actions,