richard pushed to branch tor-browser-115.11.0esr-13.5-1 at The Tor Project / Applications / Tor Browser

Commits: 736fba53 by Pier Angelo Vendrame at 2024-05-13T17:49:22+02:00 Revert "Bug 41740: Change the RFP value of devicePixelRatio to 2"

This reverts commit 94c39de65acb82efc7ecabbd7125f8d2aeb46d02.

- - - - - 32a6f98c by Fatih at 2024-05-13T17:52:54+02:00 Bug 1830629: Remove unnecessary checks for pdf.js for RFP. r=tjr

resource:// is exempt from RFP, so we no longer need to check pdf.js specifically.

Differential Revision: https://phabricator.services.mozilla.com/D209359

- - - - -

1 changed file:

- dom/base/nsGlobalWindowInner.cpp

Changes:

===================================== dom/base/nsGlobalWindowInner.cpp ===================================== @@ -3604,20 +3604,9 @@ double nsGlobalWindowInner::GetDevicePixelRatio(CallerType aCallerType, return 1.0; }

- if (nsIGlobalObject::ShouldResistFingerprinting(aCallerType, - RFPTarget::Unknown)) { - // Spoofing the DevicePixelRatio causes blurriness in some situations - // on HiDPI displays. pdf.js is a non-system caller; but it can't - // expose the fingerprintable information, so we can safely disable - // spoofing in this situation. It doesn't address the issue for - // web-rendered content (including pdf.js instances on the web.) - // In the future we hope to have a better solution to fix all HiDPI - // blurriness... - nsAutoCString origin; - nsresult rv = this->GetPrincipal()->GetOrigin(origin); - if (NS_FAILED(rv) || origin != "resource://pdf.js"_ns) { - return 2.0; - } + if (nsIGlobalObject::ShouldResistFingerprinting( + aCallerType, RFPTarget::Unknown)) { + return 2.0; }

if (aCallerType == CallerType::NonSystem) {

View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/compare/8e9d5e4...