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On redirect we are dropping referer, let's keep it

@vasco-santos vasco-santos force-pushed the fix/add-referer-on-redirect branch from 0f7d447 to 100d80e Compare April 27, 2022 17:11
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cloudflare-workers-and-pages bot commented Apr 27, 2022

Deploying with  Cloudflare Pages  Cloudflare Pages

Latest commit: 100d80e
Status: ✅  Deploy successful!
Preview URL: https://75adaaf7.nftstorage-link.pages.dev

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const headers = new Headers(request.headers)
headers.set('Referrer-Policy', 'unsafe-url')
headers.set('Location', url.toString())
headers.set('Referer', request.headers.get('Referer'))
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@alanshaw alanshaw Apr 27, 2022

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Does this work IRL? I thought this was one of those headers you're not allowed to set in a browser/worker context!?

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@alanshaw alanshaw Apr 27, 2022

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Also, this what we send back to the client right? Referer is a request header, I'm not sure I understand how this fixes the issue?

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This fix is based on discussion https://community.cloudflare.com/t/passing-on-referer-value-on-301-https-redirects/78787/8

The goal is to have CF analytics / Firewall have access to the Referer, which looks like not the case with current redirect.

Does this work IRL?

I need to deploy to see, using staging dedicated route it does not break anything, but for actually seeing analytics in nftstorage.link domain I need to get it there

@vasco-santos vasco-santos marked this pull request as draft May 23, 2022 07:43
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3 participants