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Add missing Origin to the Vary header value when CORS enabled #534

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Merged
merged 2 commits into from
Mar 27, 2025
Merged

Add missing Origin to the Vary header value when CORS enabled #534

merged 2 commits into from
Mar 27, 2025

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joseluisq
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@joseluisq joseluisq commented Mar 24, 2025 •
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Description

This PR includes the missing Origin header to the resulting Vary header value when the CORS feature is enabled according to https://fetch.spec.whatwg.org/#example-vary-origin.

Related Issue

It resolves #533

Motivation and Context

How Has This Been Tested?

static-web-server -p 8788 -d ./docker/public/ -g trace -z true '-c=*'

Before

$ curl -I -H "Origin: http://devel.local:8788" http://localhost:8788/assets/main.js
# HTTP/1.1 200 OK
# content-length: 52
# content-type: text/javascript
# accept-ranges: bytes
# last-modified: Mon, 10 Feb 2025 21:00:47 GMT
# access-control-allow-headers: content-type, origin, authorization
# access-control-expose-headers: origin, content-type
# access-control-allow-methods: OPTIONS, GET, HEAD
# access-control-allow-origin: http://devel.local:8788
# vary: accept-encoding
# cache-control: public, max-age=31536000
# date: Mon, 24 Mar 2025 03:20:15 GMT

After

$ curl -I -H "Origin: http://devel.local:8788" http://localhost:8788/assets/main.js
# HTTP/1.1 200 OK
# content-length: 52
# content-type: text/javascript
# accept-ranges: bytes
# last-modified: Mon, 10 Feb 2025 21:00:47 GMT
# access-control-allow-headers: content-type, origin, authorization
# access-control-expose-headers: origin, content-type
# access-control-allow-methods: GET, HEAD, OPTIONS
# access-control-allow-origin: http://devel.local:8788
# vary: origin,accept-encoding
# cache-control: public, max-age=31536000
# date: Mon, 24 Mar 2025 03:22:44 GM

Preflight request

$ curl http://localhost:8788/assets/main.js \
    -I -X OPTIONS \
    -H "Access-Control-Request-Method: HEAD" \
    -H "Access-Control-Request-Headers: content-type" \
    -H "Origin: http://localhost:8787"
# HTTP/1.1 204 No Content
# vary: origin,accept-encoding
# accept-ranges: bytes
# access-control-allow-headers: origin, content-type, authorization
# access-control-expose-headers: content-type, origin
# access-control-allow-methods: HEAD, OPTIONS, GET
# access-control-allow-origin: http://localhost:8787
# cache-control: public, max-age=31536000
# date: Mon, 24 Mar 2025 03:36:53 GMT

Without CORS:

$ static-web-server -p 8788 -d ./docker/public/ -g trace

$ curl -I -H "Origin: http://devel.local:8788" http://localhost:8788/assets/main.js
# HTTP/1.1 200 OK
# content-length: 52
# content-type: text/javascript
# accept-ranges: bytes
# last-modified: Mon, 10 Feb 2025 21:00:47 GMT
# vary: accept-encoding
# cache-control: public, max-age=31536000
# date: Mon, 24 Mar 2025 03:27:08 GMT

Screenshots (if appropriate):

@joseluisq joseluisq added v2 v2 release bugfix This is PR fixes a bug labels Mar 24, 2025
@semanticdiff-com SemanticDiff.com
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semanticdiff-com bot commented Mar 24, 2025 •
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Review changes with  SemanticDiff

Changed Files
File Status
  src/testing.rs  47% smaller
  tests/compression.rs  39% smaller
  tests/rewrites.rs  38% smaller
  tests/compression_static.rs  36% smaller
  tests/handler.rs  26% smaller
  tests/redirects.rs  24% smaller
  src/compression_static.rs  10% smaller
  tests/cors.rs  5% smaller
  src/compression.rs  0% smaller
  src/cors.rs  0% smaller

@joseluisq joseluisq added this to the v2.36.1 milestone Mar 24, 2025
@joseluisq joseluisq force-pushed the fix-cors-response-missing-origin-in-vary-header branch from f7f2f54 to 09c2bbe Compare March 27, 2025 03:51
@joseluisq joseluisq force-pushed the fix-cors-response-missing-origin-in-vary-header branch from 09c2bbe to baecce8 Compare March 27, 2025 16:54
@joseluisq joseluisq merged commit 2a74187 into master Mar 27, 2025
36 checks passed
@joseluisq joseluisq deleted the fix-cors-response-missing-origin-in-vary-header branch March 27, 2025 17:10
@joseluisq joseluisq mentioned this pull request Mar 27, 2025
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joseluisq added a commit that referenced this pull request Mar 28, 2025
@joseluisq
fix: add missing Origin to the Vary header value when CORS enabled (
5fbd0c5 
#534)

reference: https://fetch.spec.whatwg.org/#example-vary-origin
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Vary header should include Origin header when cors is enabled
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