diff options
| author | mms <michal@sapka.me> | 2023-12-05 11:57:10 +0100 |
|---|---|---|
| committer | mms <michal@sapka.me> | 2023-12-05 11:57:10 +0100 |
| commit | 4c17989711a76866214f71f645fdf8fe785c15ad (patch) | |
| tree | f5d65084bacd3a6a3842ac512006c6da7b98fd1a /content/2023/http-headers-in-rails-hyphens-and-underscores.md | |
| parent | b2606034ed696e5acc95f0033d19e6b0bef142c7 (diff) | |
chore: extract old blog posts to section
Diffstat (limited to 'content/2023/http-headers-in-rails-hyphens-and-underscores.md')
| -rw-r--r-- | content/2023/http-headers-in-rails-hyphens-and-underscores.md | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/content/2023/http-headers-in-rails-hyphens-and-underscores.md b/content/2023/http-headers-in-rails-hyphens-and-underscores.md deleted file mode 100644 index f872ebc..0000000 --- a/content/2023/http-headers-in-rails-hyphens-and-underscores.md +++ /dev/null @@ -1,22 +0,0 @@ ---- -title: "HTTP Headers in Rails: Hyphens, Underscores, and a terrible day" -category: engineering -abstract: Rack modyfies incomming requests's headers! -date: 2023-02-01T18:00:51+01:00 -year: 2023 -draft: false -tags: -- rack -- Ruby-on-Rails -- headers -- magic ---- -Everyone's favorite magician, Ruby on Rails, does it again. - -As it turns out, [Rack modifies incoming requests' headers](https://github.com/rails/rails/blob/aaf7bed00338c3a97dbb12b3c82a30ae34e67876/actionpack/lib/action_dispatch/http/headers.rb#L12) and normalizes they keys. So, every time the client/proxy sends something cool like `A-HEADER`, the key is modified, so some characters become underscore. Therefore in Rails code need to access `A_HEADER`, and if I had known that yesterday, my day would be much more pleasant. - -> Also note that when headers are mapped to CGI-like variables by the Rack -> -> server, both dashes and underscores are converted to underscores. -> -> (as [per documentation](https://github.com/rails/rails/blob/aaf7bed00338c3a97dbb12b3c82a30ae34e67876/actionpack/lib/action_dispatch/http/headers.rb#L12) |