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[sysreq #12077] CORS headers needed for MathJax fonts, allowing access from

From: José Kahan via RT <sysreq@w3.org>
Date: Fri, 22 Sep 2017 12:15:38 +0000
Message-ID: <rt-4.2.8-1559-1506082538-349.12077-18-0@w3.org>
CC: bert@w3.org, public-audio@w3.org
Fixed.

We had this issue because the mime type for woff fonts changed and we hadn't updated that part in our server config. All woff fonts had the cors header and now they have it again.

For Bert, using '*' is enough for this case.

-j

On Thu Sep 21 18:56:24 2017, chris wrote:
> Hi sysreq,
> 
> (Bert copied as maintainer of the W3C MathJax instance, WG copied
> because of issue 1329 )
> https://github.com/WebAudio/web-audio-api/issues/1329
> 
> The Web Audio spec uses MathJax. The editors draft, at
> https://webaudio.github.io/web-audio-api/ gives browser console errors
> because of the cross origin font request (which is correct, per spec)
> and so I am asking for an Access-Control-Allow-Origin header to be
> added, enabling webaudio.github.io.
> 
> Here is a sample error (similar ones for the other fonts)
> 
> Cross-Origin Request Blocked: The Same Origin Policy disallows reading
> the remote resource at
> https://www.w3.org/scripts/MathJax/2.6.1/fonts/HTML-
> CSS/TeX/woff/MathJax_Size4-Regular.woff?rev=2.6.1.
> (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).
> 
> which leads to
> 
> downloadable font: download failed (font-family: "MathJax_Size4"
> style:normal weight:normal stretch:normal src index:0): bad URI or
> cross-site access not allowed source:
> https://www.w3.org/scripts/MathJax/2.6.1/fonts/HTML-
> CSS/TeX/woff/MathJax_Size4-Regular.woff?rev=2.6.1
> 
> There is documentation here on adding CORS headers
> https://www.w3.org/wiki/CORS_Enabled
> https://www.webcodegeeks.com/web-servers/cors-and-how-to-enable-it-in-
> apache-web-server/
> https://enable-cors.org/server_apache.html
> 
> Thanks!
Received on Friday, 22 September 2017 12:15:40 UTC

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