consider changing default accept header to */*
Categories
(Core :: Networking: HTTP, defect, P3)
Tracking
()
People
(Reporter: bkelly, Assigned: baku)
References
Details
(Keywords: dev-doc-complete, site-compat, Whiteboard: [necko-triaged])
Attachments
(3 files, 1 obsolete file)
19.06 KB,
patch
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mayhemer
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review+
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Details | Diff | Splinter Review |
4.11 KB,
patch
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mayhemer
:
review+
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Details | Diff | Splinter Review |
5.25 KB,
patch
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mayhemer
:
review+
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Details | Diff | Splinter Review |
Currently our default accept header is: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 https://searchfox.org/mozilla-central/source/modules/libpref/init/all.js#1708 This is an odd default because we should really only be sending something like this for document requests. See step 1.3 here: https://fetch.spec.whatwg.org/#fetching Can we change our default accept header to */* and make nsDocShell set the text/html based value as an override?
Comment 2•7 years ago
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ben - I'm fine with this change. would you make it?
Reporter | ||
Comment 3•7 years ago
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Yea, I can make the change now that I have necko team blessing. I'll try to do it in the FF59 time frame.
Updated•7 years ago
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Assignee | ||
Comment 4•5 years ago
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I'm going to write a test in a separate patch.
Assignee | ||
Comment 6•5 years ago
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Assignee | ||
Comment 7•5 years ago
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By spec, imglib uses the "wrong" content-type but I want to talk with image peers before changing it. Maybe it would be a follow up.
Assignee | ||
Comment 8•5 years ago
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Comment 9•5 years ago
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Comment on attachment 9034569 [details] [diff] [review] part 1 - necko Review of attachment 9034569 [details] [diff] [review]: ----------------------------------------------------------------- thanks for doing this!
Updated•5 years ago
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Comment 10•5 years ago
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Comment on attachment 9034571 [details] [diff] [review] part 3 - tests Review of attachment 9034571 [details] [diff] [review]: ----------------------------------------------------------------- ::: netwerk/test/mochitests/test_accept_header.html @@ +5,5 @@ > + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> > + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> > +</head> > +<body> > +<script> please write a comment what this test does (reasonably deep list of steps it takes) - like what the ?get does (how you are getting the accept request header back from the server.) it took a while to decipher this.
Comment 11•5 years ago
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Pushed by amarchesini@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/74e1cead8dcf Default accept header should follow the fetch spec, r=mayhemer https://hg.mozilla.org/integration/mozilla-inbound/rev/fdf7342d19f7 Default accept header should follow the fetch spec, r=mayhemer https://hg.mozilla.org/integration/mozilla-inbound/rev/2a7dce7a42ea Default accept header should follow the fetch spec - tests, r=mayhemer
Comment 12•5 years ago
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bugherder |
https://hg.mozilla.org/mozilla-central/rev/74e1cead8dcf
https://hg.mozilla.org/mozilla-central/rev/fdf7342d19f7
https://hg.mozilla.org/mozilla-central/rev/2a7dce7a42ea
Updated•5 years ago
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Comment 13•5 years ago
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[Tracking Requested - why for this release]:
It would be nice to uplift this; I am seeing comments on Twiter that saving images results in un-openable images (which I verified was fixed by this bug).
https://twitter.com/LifeTimeCooking/status/1094488840067178496
Saving the Indian French Toast with Baked Strawberries image results in a corrupt image.
Comment 14•5 years ago
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Oops, missed the URL in the last comment: https://vegeyum.wordpress.com/
Comment 15•5 years ago
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Sorry, this is an old issue and the patches involved are more risky than we can accept for a dot release. This fix will need to ride with Fx66.
Updated•5 years ago
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Comment 17•5 years ago
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I've documented this:
Accept page updated with Examples showing defaults: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept#Examples
Browser compat data updated: https://github.com/mdn/browser-compat-data/pull/3574
Note added to Fx66 rel notes: https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/66#Networking
Updated•5 years ago
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Comment 19•5 years ago
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Hello,
Should you have a look here : https://github.com/apache/incubator-pagespeed-mod/issues/1857#issuecomment-480581634 .
Thanks,
Eric
Comment 20•5 years ago
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Plus :
network.http.accept.default is not handled nor editable anymore
https://developer.mozilla.org/en-US/docs/Web/HTTP/Content_negotiation/List_of_default_Accept_values
Comment 21•5 years ago
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"image/webp" accept header is gone in ff66, despite https://developer.mozilla.org/en-US/docs/Web/HTTP/Content_negotiation/List_of_default_Accept_values
Comment 22•5 years ago
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(In reply to webmaster from comment #19)
Hello,
Should you have a look here : https://github.com/apache/incubator-pagespeed-mod/issues/1857#issuecomment-480581634 .
Thanks,
Eric
(In reply to moreeasy from comment #21)
"image/webp" accept header is gone in ff66, despite https://developer.mozilla.org/en-US/docs/Web/HTTP/Content_negotiation/List_of_default_Accept_values
Removing image/webp was probably unintentional and should be the subject of a new bug (if it hasn't been filed already).
Comment 23•5 years ago
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:cmills Please see comment 20 and comment 21
(In reply to jscher2000 from comment #22)
Removing image/webp was probably unintentional and should be the subject of a new bug (if it hasn't been filed already).
Comment 24•5 years ago
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(In reply to Gingerbread Man from comment #23)
:cmills Please see comment 20 and comment 21
(In reply to jscher2000 from comment #22)
Removing image/webp was probably unintentional and should be the subject of a new bug (if it hasn't been filed already).
Thanks for bringing this to my attention. I just want to verify what I need to change here. Is this just a straight revert of what I did previously, or is there more to it?
Comment 25•5 years ago
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The needinfo request was for updating the List_of_default_Accept_values article. You never touched that one, so it wasn't a case of reverting your changes. It has since been updated by jscher2000 and appears to be in order now. If you could double-check, I'd appreciate it.
Comment 26•5 years ago
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(In reply to Gingerbread Man from comment #25)
The needinfo request was for updating the List_of_default_Accept_values article. You never touched that one, so it wasn't a case of reverting your changes. It has since been updated by jscher2000 and appears to be in order now. If you could double-check, I'd appreciate it.
Ah, ok, thanks! And sorry for the confusion.
I've checked it, and it looks fine.
Comment 27•5 years ago
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Is it no longer possible to configure the Accept header?
I work a lot with web APIs and being able to prefer JSON over XML was a huge plus for Firefox compared to say Chrome. Especially with Firefoxs built in JSON viewer.
Comment 28•5 years ago
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Hello,
(In reply to jscher2000 from comment #22)
Removing image/webp was probably unintentional and should be the subject of a new bug (if it hasn't been filed already).
https://bugzilla.mozilla.org/show_bug.cgi?id=1544231
Thanks,
Eric
Description
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