History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 324–335 on b0abd4a7470876bf8d67f182c2207f7a7f79898a17def2e75a906e075e2aa1d5. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 324,335:crates/oxy-server/src/lib.rs.