History of DirBackend::authorize 3 changes

In crates/oxy-server/src/lib.rs, lines 367–378 on 1ec6fdbc6bcba5867766727220e1b13e9460a72ad5291f54d77df766d2ac21f8. 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 367,378:crates/oxy-server/src/lib.rs.