History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 409–420 on 570e35310f313b79957af7e507a9e909fa38e24523c381eb98659eb03ca5b457. 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 409,420:crates/oxy-server/src/lib.rs.