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Merge pull request #4036 from element-hq/metadata-leak

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Fix a minor resource leak with display names and avatars
This commit is contained in:
Robin
2026-06-12 10:05:50 +02:00
committed by GitHub
parent 0c284ed75b 96a9115ee7
commit 3ef3ebe897
3 changed files with 63 additions and 34 deletions
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14
src/state/CallViewModel/CallViewModel.ts
View File

@@ -766,11 +766,13 @@ export function createCallViewModel$(
pretendToBeDisconnected$: localMembership.reconnecting$,
displayName$: scope.behavior(
matrixMemberMetadataStore
.createDisplayNameBehavior$(userId)
.createDisplayNameBehavior$(scope, userId)
.pipe(map((name) => name ?? userId)),
),
mxcAvatarUrl$:
matrixMemberMetadataStore.createAvatarUrlBehavior$(userId),
mxcAvatarUrl$: matrixMemberMetadataStore.createAvatarUrlBehavior$(
scope,
userId,
),
handRaised$: scope.behavior(
handsRaised$.pipe(map((v) => v[mediaId]?.time ?? null)),
),
@@ -811,8 +813,10 @@ export function createCallViewModel$(
map((members) => members.get(userId)?.rawDisplayName || userId),
),
),
mxcAvatarUrl$:
matrixMemberMetadataStore.createAvatarUrlBehavior$(userId),
mxcAvatarUrl$: matrixMemberMetadataStore.createAvatarUrlBehavior$(
scope,
userId,
),
pickupState$,
muteStates,
}),

69
src/state/CallViewModel/remoteMembers/MatrixMemberMetadata.test.ts
View File

@@ -105,7 +105,7 @@ describe("MatrixMemberMetadata", () => {
}
it("should show our own user if present in rtc session and room", () => {
withTestScheduler(({ behavior, expectObservable }) => {
withTestScheduler(({ scope, behavior, expectObservable }) => {
fakeMemberWith({
userId: "@local:example.com",
rawDisplayName: "it's a me",
@@ -118,8 +118,10 @@ describe("MatrixMemberMetadata", () => {
memberships$,
createRoomMembers$(testScope, mockMatrixRoom),
);
const dn$ =
metadataStore.createDisplayNameBehavior$("@local:example.com");
const dn$ = metadataStore.createDisplayNameBehavior$(
scope,
"@local:example.com",
);
expectObservable(dn$).toBe("a", {
a: "it's a me",
@@ -146,7 +148,7 @@ describe("MatrixMemberMetadata", () => {
it("should get displayName for users", () => {
setUpBasicRoom();
withTestScheduler(({ behavior, expectObservable }) => {
withTestScheduler(({ scope, behavior, expectObservable }) => {
const memberships$ = behavior("a", {
a: [
mockRtcMembership("@alice:example.com", "DEVICE1"),
@@ -158,8 +160,10 @@ describe("MatrixMemberMetadata", () => {
memberships$,
createRoomMembers$(testScope, mockMatrixRoom),
);
const aliceDispName$ =
metadataStore.createDisplayNameBehavior$("@alice:example.com");
const aliceDispName$ = metadataStore.createDisplayNameBehavior$(
scope,
"@alice:example.com",
);
expectObservable(aliceDispName$).toBe("a", {
a: "Alice",
@@ -322,7 +326,7 @@ describe("MatrixMemberMetadata", () => {
});
it("should track individual member id with createDisplayNameBehavior", () => {
withTestScheduler(({ behavior, schedule, expectObservable }) => {
withTestScheduler(({ scope, behavior, schedule, expectObservable }) => {
setUpBasicRoom();
const BOB = "@bob:example.com";
const CARL = "@carl:example.com";
@@ -356,8 +360,8 @@ describe("MatrixMemberMetadata", () => {
createRoomMembers$(testScope, mockMatrixRoom),
);
const bob$ = metadataStore.createDisplayNameBehavior$(BOB);
const carl$ = metadataStore.createDisplayNameBehavior$(CARL);
const bob$ = metadataStore.createDisplayNameBehavior$(scope, BOB);
const carl$ = metadataStore.createDisplayNameBehavior$(scope, CARL);
expectObservable(bob$).toBe("abc-", {
a: undefined,
@@ -378,7 +382,7 @@ describe("MatrixMemberMetadata", () => {
});
it("should disambiguate users with invisible characters", () => {
withTestScheduler(({ behavior, expectObservable }) => {
withTestScheduler(({ scope, behavior, expectObservable }) => {
const bobRtcMember = mockRtcMembership("@bob:example.org", "BBBB");
const bobZeroWidthSpaceRtcMember = mockRtcMembership(
"@bob2:example.org",
@@ -411,12 +415,18 @@ describe("MatrixMemberMetadata", () => {
createRoomMembers$(testScope, mockMatrixRoom),
);
const bob$ =
metadataStore.createDisplayNameBehavior$("@bob:example.org");
const bob2$ =
metadataStore.createDisplayNameBehavior$("@bob2:example.org");
const carol$ =
metadataStore.createDisplayNameBehavior$("@carol:example.org");
const bob$ = metadataStore.createDisplayNameBehavior$(
scope,
"@bob:example.org",
);
const bob2$ = metadataStore.createDisplayNameBehavior$(
scope,
"@bob2:example.org",
);
const carol$ = metadataStore.createDisplayNameBehavior$(
scope,
"@carol:example.org",
);
expectObservable(bob$).toBe("ab", {
a: "Bob",
b: "Bob (@bob:example.org)",
@@ -517,7 +527,7 @@ describe("MatrixMemberMetadata", () => {
}
it("should use avatar url from room members", () => {
withTestScheduler(({ behavior, expectObservable }) => {
withTestScheduler(({ scope, behavior, expectObservable }) => {
fakeMemberWith({
userId: "@local:example.com",
});
@@ -536,11 +546,15 @@ describe("MatrixMemberMetadata", () => {
memberships$,
createRoomMembers$(testScope, mockMatrixRoom),
);
const local$ =
metadataStore.createAvatarUrlBehavior$("@local:example.com");
const local$ = metadataStore.createAvatarUrlBehavior$(
scope,
"@local:example.com",
);
const alice$ =
metadataStore.createAvatarUrlBehavior$("@alice:example.com");
const alice$ = metadataStore.createAvatarUrlBehavior$(
scope,
"@alice:example.com",
);
expectObservable(local$).toBe("a", {
a: "mxc://example.com/@local:example.com",
@@ -558,7 +572,7 @@ describe("MatrixMemberMetadata", () => {
});
it("should update on avatar change and user join/leave", () => {
withTestScheduler(({ behavior, schedule, expectObservable }) => {
withTestScheduler(({ scope, behavior, schedule, expectObservable }) => {
fakeMemberWith({ userId: "@carl:example.com" });
fakeMemberWith({ userId: "@bob:example.com" });
const memberships$ = behavior("ab-d", {
@@ -585,9 +599,14 @@ describe("MatrixMemberMetadata", () => {
},
});
const bob$ = metadataStore.createAvatarUrlBehavior$("@bob:example.com");
const carl$ =
metadataStore.createAvatarUrlBehavior$("@carl:example.com");
const bob$ = metadataStore.createAvatarUrlBehavior$(
scope,
"@bob:example.com",
);
const carl$ = metadataStore.createAvatarUrlBehavior$(
scope,
"@carl:example.com",
);
expectObservable(bob$).toBe("a---", {
a: "mxc://example.com/@bob:example.com",
});

14
src/state/CallViewModel/remoteMembers/MatrixMemberMetadata.ts
View File

@@ -115,8 +115,14 @@ export const createMatrixMemberMetadata$ = (
memberships$: Behavior<Pick<CallMembership, "userId">[]>,
roomMembers$: Behavior<RoomMemberMap>,
): {
createDisplayNameBehavior$: (userId: string) => Behavior<string | undefined>;
createAvatarUrlBehavior$: (userId: string) => Behavior<string | undefined>;
createDisplayNameBehavior$: (
scope: ObservableScope,
userId: string,
) => Behavior<string | undefined>;
createAvatarUrlBehavior$: (
scope: ObservableScope,
userId: string,
) => Behavior<string | undefined>;
displaynameMap$: Behavior<Map<string, string>>;
avatarMap$: Behavior<Map<string, string | undefined>>;
} => {
@@ -136,13 +142,13 @@ export const createMatrixMemberMetadata$ = (
),
);
return {
createDisplayNameBehavior$: (userId: string) =>
createDisplayNameBehavior$: (scope: ObservableScope, userId: string) =>
scope.behavior(
displaynameMap$.pipe(
map((displaynameMap) => displaynameMap.get(userId)),
),
),
createAvatarUrlBehavior$: (userId: string) =>
createAvatarUrlBehavior$: (scope: ObservableScope, userId: string) =>
scope.behavior(
roomMembers$.pipe(
map((roomMembers) => roomMembers.get(userId)?.getMxcAvatarUrl()),