* fix(middleware/cors): categorise requests correctly
* test(middleware/cors): improve test coverage for request types
* test(middleware/cors): Add subdomain matching tests
* test(middleware/cors): parallel tests for CORS headers based on request type
* test(middleware/cors): Add benchmark for CORS subdomain matching
* test(middleware/cors): cover additiona test cases
* refactor(middleware/cors): origin validation and normalization
* fix: allow origins check
Refactor CORS origin validation and normalization to trim leading or trailing whitespace in the cfg.AllowOrigins string [list]. URLs with whitespace inside the URL are invalid, so the normalizeOrigin will return false because url.Parse will fail, and the middleware will panic.
fixes#2882
* test: AllowOrigins with whitespace
* test(middleware/cors): add benchmarks
* chore: fix linter errors
* test(middleware/cors): use h() instead of app.Test()
* test(middleware/cors): add miltiple origins in Test_CORS_AllowOriginScheme
* chore: refactor validate and normalize
* test(cors/middleware): add more benchmarks
* fix(middleware/cors): handling and wildcard subdomain matching
docs(middleware/cors): add How it works and Security Considerations
* chore: grammar
* Apply suggestions from code review
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
* chore: fix misspelling
* test(middleware/cors): combine Invalid_Origins tests
* refactor(middleware/cors): headers handling
* docs(middleware/cors): Update AllowOrigins description
* chore: merge
* perf(middleware/cors): optimize handler
* perf(middleware/cors): optimize handler
* chore(middleware/cors): ipdate origin handling logic
* chore(middleware/cors): fix header capitalization
* docs(middleware/cors): improve sercuity notes
* docs(middleware/cors): Improve security notes
* docs(middleware/cors): improve CORS overview
* docs(middleware/cors): fix ordering of how it works
* docs(middleware/cors): add additional info to How to works
* docs(middleware/cors): rm space
* docs(middleware/cors): add validation for AllowOrigins origins to overview
* docs(middleware/cors): update ExposeHeaders and MaxAge descriptions
* docs(middleware/cors): Add dynamic origin validation example
* docs(middleware/cors): Improve security notes and fix header capitalization
* docs(middleware/cors): configuration examples
* docs(middleware/cors): `"*"`
---------
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Aaron Zingerle
Jason McNeil
Juan Calderon-Perez