wehub-resource-sync
38 lines
1.8 KiB
C#
38 lines
1.8 KiB
C#
// STOPGAP: This integration-level header propagation replaces once copilotkit-sdk-dotnet
|
|
// ships (Microsoft contribution, ETA mid-2026). When that SDK lands, delete this code
|
|
// and use the SDK's built-in header propagation.
|
|
// See: https://www.notion.so/copilotkit/3543aa3818528150b6acc5b872ad7fe5
|
|
|
|
// TODO(copilotkit-sdk-dotnet): migrate to SDK-level header propagation
|
|
public class AimockHeaderMiddleware
|
|
{
|
|
private readonly RequestDelegate _next;
|
|
private readonly ILogger<AimockHeaderMiddleware> _logger;
|
|
|
|
public AimockHeaderMiddleware(RequestDelegate next, ILogger<AimockHeaderMiddleware> logger)
|
|
{
|
|
_next = next;
|
|
_logger = logger;
|
|
}
|
|
|
|
public async Task InvokeAsync(HttpContext context)
|
|
{
|
|
var headers = context.Request.Headers
|
|
.Where(h => h.Key.StartsWith("x-", StringComparison.OrdinalIgnoreCase))
|
|
.ToDictionary(h => h.Key, h => h.Value.ToString());
|
|
// Stash on HttpContext.Items (NOT an AsyncLocal): the value must survive
|
|
// the AG-UI SSE-pump ExecutionContext boundary so the outbound-LLM policy
|
|
// can read it via IHttpContextAccessor at call time.
|
|
AimockHeaderContext.Set(context, headers);
|
|
// CVDIAG inbound breadcrumb: the x-* headers (incl. x-diag-run-id /
|
|
// x-diag-hops / x-aimock-context) have now been captured onto
|
|
// HttpContext.Items for this request.
|
|
CvDiag.LogInbound(_logger, "backend-ms-agent-dotnet", AimockHeaderContext.Get(context));
|
|
// No finally-wipe: the captured headers are request-scoped — they live on
|
|
// this request's HttpContext and die with it. Wiping them in a finally
|
|
// raced the still-pumping SSE response and could clear the value before
|
|
// the outbound LLM call read it.
|
|
await _next(context);
|
|
}
|
|
}
|