No handler could be found for the page 'index.php?q=regen_thumb/one/28583'

[diamondsw]

Server Software

about:
  title: "HomeBooru"
  theme: "danbooru2"
  url: "http://[redacted]/index.php?q="

versions:
  shimmie: "v2.10.3-20240211-62ece58"
  schema: 21
  php: "8.2.7"
  db: "pgsql PostgreSQL 11.22 on x86_64-pc-linux-musl, compiled by gcc (Alpine 13.2.1_git20231014) 13.2.1 20231014, 64-bit"
  os: "Linux e2b4ff35dcec 6.1.0-17-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.69-1 (2023-12-30) x86_64"
  server: "Unit/1.31.1"

extensions:
  core: ["admin","alias_editor","bbcode","comment","download","et","ext_manager","four_oh_four","handle_pixel","help_pages","image","index","media","mime","replace_file","setup","static_files","system","tag_edit","tag_list","upgrade","upload","user","user_config","view"]
  extra: ["auto_tagger","autocomplete","bulk_add_csv","emoticons_list","et_server","favorites","home","pools","post_titles","random_image","random_list","rating","regen_thumb","relationships","tag_categories","tag_tools","tagger_xml"]
  handled_mimes: ["image/jpeg","image/gif","image/png","image/webp"]

stats:
  images: 28132
  comments: 0
  users: 2

media:
  memory_limit: "32MB"
  disk_use: "129GB"
  disk_total: "197GB"

thumbnails:
  engine: "convert"
  quality: 75
  width: 190
  height: 300
  scaling: 100
  mime: "image/jpeg"

Client Software (please complete the following information)

• Device: macOS Desktop
• Browser: Safari

What steps trigger this bug

1. Go to any post
2. Under "Post Controls", click "Regenerate Thumbnail"

What did you expect to happen? Thumbnail should be regenerated.

What actually happened? No handler could be found for the page 'index.php?q=regen_thumb/one/28583'

Feels related to #1026

[shish]

Feels related to https://github.com/shish/shimmie2/issues/1026

Yup - trying to fix thing a broke thing b, fixing thing b broke thing c, at this point I am pretty much rewriting the whole URL generation-and-parsing code but this time being aware of all the edge cases and writing unit tests first ^^;;

(Much of this code has been largely unchanged for like 15 years...)