Support periodic auth checks in SecurityContext on web socket connections

src/auth/event/AuthCheckFailed.ts

@@ -0,0 +1,27 @@
+import {BaseEvent, BaseSerializer, ObjectSerializer} from '../../support/bus'
+import {Awaitable} from '../../util'
+
+/** An event raised when a required auth check has failed. */
+export class AuthCheckFailed extends BaseEvent {
+    eventName = '@extollo/lib:AuthCheckFailed'
+}
+
+/** Serializes AuthCheckFailed events. */
+@ObjectSerializer()
+export class AuthCheckFailedSerializer extends BaseSerializer<AuthCheckFailed, { authCheckFailed: true }> {
+    protected decodeSerial(): Awaitable<AuthCheckFailed> {
+        return new AuthCheckFailed()
+    }
+
+    protected encodeActual(): Awaitable<{ authCheckFailed: true }> {
+        return { authCheckFailed: true }
+    }
+
+    protected getName(): string {
+        return '@extollo/lib:AuthCheckFailedSerializer'
+    }
+
+    matchActual(some: AuthCheckFailed): boolean {
+        return some instanceof AuthCheckFailed
+    }
+}