Expose MSAL's OnBackgroundTokenRefreshCompleted callback through Id.Web#3973
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neha-bhargava wants to merge 1 commit into
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Expose MSAL's OnBackgroundTokenRefreshCompleted callback through Id.Web#3973neha-bhargava wants to merge 1 commit into
neha-bhargava wants to merge 1 commit into
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Adds a code-configured OnBackgroundTokenRefreshCompleted delegate on TokenAcquisitionExtensionOptions and wires it onto both the confidential client and managed identity MSAL app builders, so apps can observe the outcome (latency, failures, metadata) of fire-and-forget proactive token refreshes for telemetry. The managed identity builder now enables experimental features so the callback's experimental gate is satisfied. Work item: 3697080 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: d296b5aa-33db-4934-a697-cdf1c1999e09
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What
Exposes MSAL's
OnBackgroundTokenRefreshCompletedproactive-refresh callback through Id.Web, for both confidential client and managed identity apps.TokenAcquisitionExtensionOptions.OnBackgroundTokenRefreshCompleted(Func<ExecutionResult, Task>?). It's a code-configured delegate (not JSON-bindable), consistent with the other extensibility hooks on this type.BuildConfidentialClientApplicationAsync) and the managed identity builder (BuildManagedIdentityApplication). The MI builder now callsWithExperimentalFeatures()so MSAL's experimental gate for the callback is satisfied (the CCA builder already did).Why
Proactive (background) token refresh runs on a fire-and-forget thread after the caller already received a cached token, so its outcome — latency, failures, and token-acquisition metadata — is otherwise unobservable. This surfaces it for telemetry. Requested for SEAL 21 outbound telemetry.
Metadata parity (MI == CCA)
No MSAL change needed.
ManagedIdentityAuthRequest : RequestBaseinherits foreground metadata population, and MI uses the sameSilentRequestHelper.ProcessFetchInBackground, so theExecutionResultcarries metadata on both success and failure for MI exactly as for CCA.Tests
GetOrBuildConfidentialClientApplication_WithBackgroundRefreshCallback_BuildsApp— CCA build path wires the callback without MSAL throwing.ManagedIdentity_WithBackgroundRefreshCallback_BuildsAndAcquiresToken— MI acquires a token with the callback configured; guards theWithExperimentalFeatures()requirement.Related