History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 324–335 on 57d8dc05c9d42681cd78f1212d8b1c8b23da0f8e699e64dc05ae6f04f0b619b6. 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.