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update playground to support e2ee testing #184

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update playground to support e2ee testing #184

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45 changes: 44 additions & 1 deletion src/components/playground/Playground.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,9 @@ import {
} from "@livekit/components-react";
import {
ConnectionState,
ExternalE2EEKeyProvider,
RoomOptions,
Room,
TokenSourceConfigurable,
TokenSourceFetchOptions,
Track,
Expand Down Expand Up @@ -67,21 +70,41 @@ export default function Playground({
const [rpcPayload, setRpcPayload] = useState("");
const [hasConnected, setHasConnected] = useState(false);

const [e2eePassphrase, setE2eePassphrase] = useState<string | undefined>(undefined);
const [tokenFetchOptions, setTokenFetchOptions] = useState<TokenSourceFetchOptions>();


const keyProvider = useMemo(() => new ExternalE2EEKeyProvider(), []);

const roomOptions = useMemo<RoomOptions | undefined>(() => {
if (!e2eePassphrase) return undefined;

return {
encryption: {
keyProvider,
worker: new Worker(
new URL("livekit-client/e2ee-worker", import.meta.url),
),
},
};
}, [e2eePassphrase, keyProvider]);

const room = useMemo(() => { return new Room(roomOptions); }, [roomOptions]);

// initialize token fetch options from initial values, which can come from config
useEffect(() => {
// set initial options only if they haven't been set yet
if (tokenFetchOptions !== undefined || initialAgentOptions === undefined) {
return;
}

setTokenFetchOptions({
agentName: initialAgentOptions?.agentName ?? "",
agentMetadata: initialAgentOptions?.metadata ?? "",
});
}, [tokenFetchOptions, initialAgentOptions, initialAgentOptions?.agentName, initialAgentOptions?.metadata]);

const session = useSession(tokenSource, tokenFetchOptions);
const session = useSession(tokenSource, {...tokenFetchOptions, room});
const { connectionState } = session;
const agent = useAgent(session);
const messages = useSessionMessages(session);
Expand All @@ -104,6 +127,16 @@ export default function Playground({
}
}, [autoConnect, hasConnected, startSession]);

useEffect(() => {
if (connectionState !== ConnectionState.Connected) return;
if (!e2eePassphrase) return;

(async () => {
await keyProvider.setKey(encodeURIComponent(e2eePassphrase));
await session.room.setE2EEEnabled(true);
})();
}, [connectionState, e2eePassphrase, keyProvider, session.room]);

useEffect(() => {
if (connectionState === ConnectionState.Connected) {
session.room.localParticipant.setCameraEnabled(
Expand Down Expand Up @@ -302,6 +335,16 @@ export default function Playground({
placeholder="None"
editable={connectionState !== ConnectionState.Connected}
/>
<EditableNameValueRow
name="E2EE passphrase"
value={e2eePassphrase ?? ""}
valueColor={`${config.settings.theme_color}-500`}
onValueChange={(value) => {
setE2eePassphrase(value === "" ? undefined : value);
}}
placeholder="None"
editable={connectionState !== ConnectionState.Connected}
/>
<NameValueRow
name="Identity"
value={
Expand Down