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fix: add x-forwarded-* headers #56797

Merged
merged 8 commits into from
Oct 13, 2023
Merged

fix: add x-forwarded-* headers #56797

merged 8 commits into from
Oct 13, 2023

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balazsorban44
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What?

Adding back x-forwarded-* headers.

Why?

Starting with #52492, these headers were lost.

How?

We can populate these headers before executing a request.

Closes NEXT-1663
Fixes #55942

@ijjk
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ijjk commented Oct 13, 2023

Stats from current PR

Default Build
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
buildDuration 11.4s 11.5s N/A
buildDurationCached 6.8s 6.7s N/A
nodeModulesSize 172 MB 172 MB ⚠️ +3.06 kB
nextStartRea..uration (ms) 570ms 560ms N/A
Client Bundles (main, webpack)
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
199-HASH.js gzip 27.5 kB 27.5 kB N/A
3f784ff6-HASH.js gzip 50.9 kB 50.9 kB
99.HASH.js gzip 182 B 182 B
framework-HASH.js gzip 45.3 kB 45.3 kB
main-app-HASH.js gzip 254 B 252 B N/A
main-HASH.js gzip 32.9 kB 32.9 kB N/A
webpack-HASH.js gzip 1.75 kB 1.75 kB N/A
Overall change 96.4 kB 96.4 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
_app-HASH.js gzip 206 B 205 B N/A
_error-HASH.js gzip 182 B 180 B N/A
amp-HASH.js gzip 506 B 505 B N/A
css-HASH.js gzip 322 B 323 B N/A
dynamic-HASH.js gzip 2.57 kB 2.57 kB N/A
edge-ssr-HASH.js gzip 260 B 259 B N/A
head-HASH.js gzip 350 B 350 B
hooks-HASH.js gzip 369 B 369 B
image-HASH.js gzip 4.35 kB 4.35 kB N/A
index-HASH.js gzip 256 B 256 B
link-HASH.js gzip 2.64 kB 2.63 kB N/A
routerDirect..HASH.js gzip 312 B 311 B N/A
script-HASH.js gzip 385 B 384 B N/A
withRouter-HASH.js gzip 307 B 308 B N/A
1afbb74e6ecf..834.css gzip 106 B 106 B
Overall change 1.08 kB 1.08 kB
Client Build Manifests
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
_buildManifest.js gzip 485 B 482 B N/A
Overall change 0 B 0 B
Rendered Page Sizes
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
index.html gzip 528 B 529 B N/A
link.html gzip 541 B 542 B N/A
withRouter.html gzip 524 B 524 B
Overall change 524 B 524 B
Edge SSR bundle Size
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
edge-ssr.js gzip 93.8 kB 93.8 kB
page.js gzip 152 kB 152 kB N/A
Overall change 93.8 kB 93.8 kB
Middleware size
vercel/next.js canary vercel/next.js fix/x-forwarded-headers Change
middleware-b..fest.js gzip 624 B 623 B N/A
middleware-r..fest.js gzip 150 B 151 B N/A
middleware.js gzip 22.9 kB 22.9 kB N/A
edge-runtime..pack.js gzip 1.92 kB 1.92 kB
Overall change 1.92 kB 1.92 kB
Commit: 226eb1d

@ijjk
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ijjk commented Oct 13, 2023

Tests Passed

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@kodiakhq kodiakhq bot merged commit fe0bfbf into canary Oct 13, 2023
54 of 59 checks passed
@kodiakhq kodiakhq bot deleted the fix/x-forwarded-headers branch October 13, 2023 17:58
@joacub
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joacub commented Oct 14, 2023

this does not fix completly the issue it does fix for some seconds, after some tries will fail again

kodiakhq bot pushed a commit that referenced this pull request Nov 1, 2023
### What?

Follow-up of #56797

While working on this, I noticed that some logic around stripping internal headers was duplicated, so I did some cleanup too.

### Why?

In #56797 we set these headers, but it only affected Route Handlers, Middleware is still missing them, which is a regression introduced in #52492

(Related: vercel/next-learn#252)

### How?

Move to set these headers up to `base-server.ts` so they are present in Middleware too.

> Note: All headers are set with `??=` to respect the original value if set (with other words, only add these headers if they aren't set yet)

Closes NEXT-
Fixes #52266
@github-actions github-actions bot added the locked label Nov 3, 2023
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Nov 3, 2023
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Forwarded request headers are null
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