Support user identifier changes during SignalR authentication refresh - #68494
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kotlarmilos wants to merge 2 commits into
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Support user identifier changes during SignalR authentication refresh#68494kotlarmilos wants to merge 2 commits into
kotlarmilos wants to merge 2 commits into
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Description
A SignalR connection is aborted when an authentication refresh resolves to a different user identifier, which tears down the Blazor Server circuit whenever the signed in user changes.
HubOptions.AllowUserIdentifierChangeOnAuthenticationRefreshallows the connection to adopt the new identifier instead of aborting.HubLifetimeManager<THub>.OnUserIdentifierChangedAsyncis a new virtual hook that lets backplanes re-key user delivery, andRedisHubLifetimeManageroverrides it to move the connection to the new user channel. The option defaults tofalseand the base hook is a no-op, so existing behavior is unchanged. The/refreshendpoint accepts a missing authentication result on endpoints that allow anonymous access, which is required because a sign out produces no result. Product code and tests are in separate commits. The public API additions need review.Fixes #68284