Erreur HTTP 404 lorsque text/html n'est pas le premier dans l'en-tête de requête accept

Bug
,
1

L’ordre des types MIME dans l’en-tête de requête accept tel qu’envoyé au serveur Discourse semble avoir de l’importance :

curl -i -H 'Accept: text/plain, text/html' https://meta.discourse.org
HTTP/2 404 
...

curl -i -H 'Accept: text/html, text/plain' https://meta.discourse.org
HTTP/2 200
...
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4

Cela aurait principalement un impact sur les consommateurs d’API, je suppose. Ouvert à une PR qui corrige cela.

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5

J’ai essayé cela sur la version de développement, j’obtiens 200 OK de Rails::WelcomeController#index pour les deux en-têtes Accept: text/html, text/plain et Accept: text/plain, text/html.

Started GET "/" for 127.0.0.1 at 2023-03-30 15:52:45 +0300
Processing by Rails::WelcomeController#index as TEXT
  Rendering /Users/machine/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/railties-7.0.4.3/lib/rails/templates/rails/welcome/index.html.erb
  Rendered /Users/machine/.rbenv/versions/3.2.1/lib/ruby/gems/3.2.0/gems/railties-7.0.4.3/lib/rails/templates/rails/welcome/index.html.erb (Duration: 0.1ms | Allocations: 36)
Completed 200 OK in 1ms (Views: 1.3ms | ActiveRecord: 0.0ms | Allocations: 796)

machine@machines-MacBook-Pro discourse % curl -I -H 'Accept: text/html, text/plain' http://127.0.01:4200 
HTTP/1.1 200 OK
X-Powered-By: Express
cache-control: no-store, must-revalidate, private, max-age=0
connection: close
content-security-policy: base-uri 'self'; object-src 'none'; script-src http://127.0.01:4200/assets/ http://127.0.01:4200/ember-cli-live-reload.js http://127.0.01:4200/_lr/ http://127.0.01:4200/logs/ http://127.0.01:4200/sidekiq/ http://127.0.01:4200/mini-profiler-resources/ http://127.0.01:4200/assets/ http://127.0.01:4200/brotli_asset/ http://127.0.01:4200/extra-locales/ http://127.0.01:4200/highlight-js/ http://127.0.01:4200/javascripts/ http://127.0.01:4200/plugins/ http://127.0.01:4200/theme-javascripts/ http://127.0.01:4200/svg-sprite/ 'unsafe-eval' http://127.0.01:4200/ember-cli-live-reload.js http://127.0.01:4200/_lr/ 'sha256-Gty3/aPWFfSvz7pdT39HY97/+2opLup9V0L19ZF0IwY='; worker-src 'self' http://127.0.01:4200/assets/ http://127.0.01:4200/brotli_asset/ http://127.0.01:4200/javascripts/ http://127.0.01:4200/plugins/; frame-ancestors 'self'; manifest-src 'self'
Content-Type: text/html; charset=utf-8
date: Thu, 30 Mar 2023 12:51:19 GMT
referrer-policy: strict-origin-when-cross-origin
set-cookie: __profilin=p%3Dt; path=/; HttpOnly; SameSite=Lax
Vary: Accept, Accept-Encoding
x-content-type-options: nosniff
x-discourse-route: list/latest
x-download-options: noopen
x-frame-options: SAMEORIGIN
x-miniprofiler-ids: 3uaox120htfj3nkrwxvy,v4ylpbinbd6pz2p7ar2l,8snf28djimkyzf5vpe5v,iq2fhxx37pkunle3zzxv,o5b5ae8lxmj9vgazlydh,spjovt9bn2x0ziaikfxh,ut7qvfhrp7pt2hflvf1r,m428xr7orlndjj5fm17n,eryv846zt9oqyiccvw4,t8fp5g9iqbfxrmkd3qv9,jea1zbtm7vu2zbmb1kdk,u5h4t1804men5vx9xuvd
x-miniprofiler-original-cache-control: no-cache, no-store
x-permitted-cross-domain-policies: none
x-request-id: be9de952-9043-41a9-adca-1c5124b1ff90
x-xss-protection: 0
content-encoding: null
Content-Length: 0
ETag: W/"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk"

machine@machines-MacBook-Pro discourse % curl -I -H 'Accept: text/plain, text/html' http://127.0.01:4200 
HTTP/1.1 200 OK
X-Powered-By: Express
cache-control: no-store, must-revalidate, private, max-age=0
connection: close
content-security-policy: base-uri 'self'; object-src 'none'; script-src http://127.0.01:4200/assets/ http://127.0.01:4200/ember-cli-live-reload.js http://127.0.01:4200/_lr/ http://127.0.01:4200/logs/ http://127.0.01:4200/sidekiq/ http://127.0.01:4200/mini-profiler-resources/ http://127.0.01:4200/assets/ http://127.0.01:4200/brotli_asset/ http://127.0.01:4200/extra-locales/ http://127.0.01:4200/highlight-js/ http://127.0.01:4200/javascripts/ http://127.0.01:4200/plugins/ http://127.0.01:4200/theme-javascripts/ http://127.0.01:4200/svg-sprite/ 'unsafe-eval' http://127.0.01:4200/ember-cli-live-reload.js http://127.0.01:4200/_lr/ 'sha256-Gty3/aPWFfSvz7pdT39HY97/+2opLup9V0L19ZF0IwY='; worker-src 'self' http://127.0.01:4200/assets/ http://127.0.01:4200/brotli_asset/ http://127.0.01:4200/javascripts/ http://127.0.01:4200/plugins/; frame-ancestors 'self'; manifest-src 'self'
Content-Type: text/html; charset=utf-8
date: Thu, 30 Mar 2023 12:51:26 GMT
referrer-policy: strict-origin-when-cross-origin
set-cookie: __profilin=p%3Dt; path=/; HttpOnly; SameSite=Lax
Vary: Accept, Accept-Encoding
x-content-type-options: nosniff
x-download-options: noopen
x-frame-options: SAMEORIGIN
x-miniprofiler-ids: fw6wmg2wtmnuc4qqk5ri,3uaox120htfj3nkrwxvy,v4ylpbinbd6pz2p7ar2l,8snf28djimkyzf5vpe5v,iq2fhxx37pkunle3zzxv,o5b5ae8lxmj9vgazlydh,spjovt9bn2x0ziaikfxh,ut7qvfhrp7pt2hflvf1r,m428xr7orlndjj5fm17n,eryv846zt9oqyiccvw4,t8fp5g9iqbfxrmkd3qv9,jea1zbtm7vu2zbmb1kdk,u5h4t1804men5vx9xuvd
x-permitted-cross-domain-policies: none
x-request-id: 00c3add3-15ec-42d5-9c82-9d6ce09b09fd
x-xss-protection: 0
content-encoding: null
Content-Length: 0
ETag: W/"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk"

machine@machines-MacBook-Pro discourse %

@sam, peux-tu s’il te plaît me donner des indications sur la façon de résoudre ce problème ?

6

Ce ne sera pas facile à déboguer, cela pourrait être lié à la configuration NGINX en production, peut-être que c’est dans Rails, je ne suis pas sûr.

J’essaierais d’abord de faire la requête directement au processus Rails et non au proxy express, si cela fonctionne, je déboguerai ensuite une configuration docker de production en local.

7

Oui, envoyer les requêtes directement au processus Rails ne reproduit pas le problème non plus

machine@machines-MacBook-Pro discourse % curl -I -H 'Accept: text/plain, text/html' http://127.0.0.1:3000
HTTP/1.1 200 OK
Date: Fri, 31 Mar 2023 00:17:12 GMT
Connection: close
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 0
X-Content-Type-Options: nosniff
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
Referrer-Policy: strict-origin-when-cross-origin
Content-Type: text/html; charset=utf-8
Vary: Accept
Content-Security-Policy: base-uri 'self'; object-src 'none'; script-src http://127.0.0.1:3000/logs/ http://127.0.0.1:3000/sidekiq/ http://127.0.0.1:3000/mini-profiler-resources/ http://127.0.0.1:3000/assets/ http://127.0.0.1:3000/brotli_asset/ http://127.0.0.1:3000/extra-locales/ http://127.0.0.1:3000/highlight-js/ http://127.0.0.1:3000/javascripts/ http://127.0.0.1:3000/plugins/ http://127.0.0.1:3000/theme-javascripts/ http://127.0.0.1:3000/svg-sprite/ 'unsafe-eval' http://127.0.0.1:3000/ember-cli-live-reload.js http://127.0.0.1:3000/_lr/ 'sha256-Gty3/aPWFfSvz7pdT39HY97/+2opLup9V0L19ZF0IwY='; worker-src 'self' http://127.0.0.1:3000/assets/ http://127.0.0.1:3000/brotli_asset/ http://127.0.0.1:3000/javascripts/ http://127.0.0.1:3000/plugins/; frame-ancestors 'self'; manifest-src 'self'
X-Request-Id: 9a58c127-bc9e-4c27-a6a4-2ac5b9d34e5f
Cache-Control: no-store, must-revalidate, private, max-age=0
X-MiniProfiler-Ids: vit385ud6hkrs02yr6r,3izsng340krymolreb78,cq88v42hj61giemunux3,dq9oli1nmmat6k4o274k,37obrexoyg8146xozpqg,qucwk4opydg3vjyj3kz2,b54tne0pbtipq7rie4j9,m2syvsy4jl6wi0q3c2g5,72du4xsbgjmr67p4mhdx,zw5wg2t6susof6zele0y,kar63by1273tae1l0qgw
Set-Cookie: __profilin=p%3Dt; path=/; HttpOnly; SameSite=Lax

machine@machines-MacBook-Pro discourse % curl -I -H 'Accept: text/html, text/plain' http://127.0.0.1:3000
HTTP/1.1 200 OK
Date: Fri, 31 Mar 2023 00:17:15 GMT
Connection: close
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 0
X-Content-Type-Options: nosniff
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
Referrer-Policy: strict-origin-when-cross-origin
X-Discourse-Route: list/latest
Content-Type: text/html; charset=utf-8
Vary: Accept
Cache-Control: no-store, must-revalidate, private, max-age=0
Content-Security-Policy: base-uri 'self'; object-src 'none'; script-src http://127.0.0.1:3000/logs/ http://127.0.0.1:3000/sidekiq/ http://127.0.0.1:3000/mini-profiler-resources/ http://127.0.0.1:3000/assets/ http://127.0.0.1:3000/brotli_asset/ http://127.0.0.1:3000/extra-locales/ http://127.0.0.1:3000/highlight-js/ http://127.0.0.1:3000/javascripts/ http://127.0.0.1:3000/plugins/ http://127.0.0.1:3000/theme-javascripts/ http://127.0.0.1:3000/svg-sprite/ 'unsafe-eval' http://127.0.0.1:3000/ember-cli-live-reload.js http://127.0.0.1:3000/_lr/ 'sha256-Gty3/aPWFfSvz7pdT39HY97/+2opLup9V0L19ZF0IwY='; worker-src 'self' http://127.0.0.1:3000/assets/ http://127.0.0.1:3000/brotli_asset/ http://127.0.0.1:3000/javascripts/ http://127.0.0.1:3000/plugins/; frame-ancestors 'self'; manifest-src 'self'
X-Request-Id: 8ac7c6b7-512e-4c1b-b868-88f3a1ea200c
X-MiniProfiler-Original-Cache-Control: no-cache, no-store
X-MiniProfiler-Ids: tae1e7defycsvswht8d2,vit385ud6hkrs02yr6r,3izsng340krymolreb78,cq88v42hj61giemunux3,dq9oli1nmmat6k4o274k,37obrexoyg8146xozpqg,qucwk4opydg3vjyj3kz2,b54tne0pbtipq7rie4j9,m2syvsy4jl6wi0q3c2g5,72du4xsbgjmr67p4mhdx,zw5wg2t6susof6zele0y,kar63by1273tae1l0qgw
Set-Cookie: __profilin=p%3Dt; path=/; HttpOnly; SameSite=Lax

Je vais enquêter davantage avec une configuration Docker de production en local :+1:

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