Add middleware and authz support for server-side handlers #752

Job	Run time
build (ubuntu-latest, Release)	3m 16s
build (windows-latest, Release)	5m 38s
build (windows-latest, Debug)	6m 16s
build (macos-latest, Release)	3m 6s
build (ubuntu-latest, Debug)	4m 32s
build (macos-latest, Debug)	3m 20s
publish-coverage / publish-coverage	41s
	26m 49s

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