fix(514): fix compatibility with rack 3#555
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fletchto99 merged 3 commits intogithub:feature-7.2from Dec 16, 2025
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Do not join cookies with new like if they weren't before
Add `Rack::Headers` wrapping to middleware to prevent header manipulation issues. Added a test to verify cookies remain as an array when flagged if already in array format.
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Pull Request Overview
This PR fixes compatibility with Rack 3 by updating the handling of cookie headers, ensuring that cookies passed as either an array or a newline-delimited string are correctly processed.
- Update test expectations to use newline-delimited strings for cookie headers
- Modify middleware to handle cookies based on their original type (array vs. string)
- Add a new test to verify that an array remains an array after processing
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| spec/lib/secure_headers/middleware_spec.rb | Updates test cases for handling cookie header formats |
| lib/secure_headers/middleware.rb | Adjusts cookie processing logic for Rack 3 compatibility |
Comments suppressed due to low confidence (1)
spec/lib/secure_headers/middleware_spec.rb:86
- [nitpick] Ensure that this test also covers possible edge cases, such as improper formatting or unexpected delimiters in the cookie header, to provide comprehensive validation of the splitting logic.
cookie_middleware = Middleware.new(lambda { |env| [200, env.merge("Set-Cookie" => "_session=foobar\n_guest=true"), "app"] })
KyFaSt
approved these changes
Dec 16, 2025
fletchto99
approved these changes
Dec 16, 2025
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Thank you for the PR and apologies for the delay in getting this reviewed. We plan for this to be in the upcoming 7.2 release.
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fixes #514 by adding compatibility with Rack 3 which doesn't support muplitple headers joined with
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