[webkit-changes] [WebKit/WebKit] d70cfb: Limit requests to some tracking domains

[Commit Queue]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d70cfb7183eced7a4e8bafeb924af0c6712bc71c
      
https://github.com/WebKit/WebKit/commit/d70cfb7183eced7a4e8bafeb924af0c6712bc71c
  Author: Matthew Finkel <m_fin...@apple.com>
  Date:   2026-02-11 (Wed, 11 Feb 2026)

  Changed paths:
    M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
    M Source/WebKit/NetworkProcess/NetworkLoadChecker.cpp
    M Source/WebKit/NetworkProcess/NetworkLoadChecker.h
    M Source/WebKit/NetworkProcess/NetworkResourceLoadParameters.h
    M 
Source/WebKit/NetworkProcess/NetworkResourceLoadParameters.serialization.in
    M Source/WebKit/NetworkProcess/NetworkSession.cpp
    M Source/WebKit/NetworkProcess/NetworkSession.h
    M Source/WebKit/Shared/ScriptTrackingPrivacyFilter.cpp
    M Source/WebKit/Shared/ScriptTrackingPrivacyFilter.h
    M Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp
    M Source/WebKit/WebProcess/WebProcess.cpp
    M Source/WebKit/WebProcess/WebProcess.h
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/ScriptTrackingPrivacyTests.mm

  Log Message:
  -----------
  Limit requests to some tracking domains
https://bugs.webkit.org/show_bug.cgi?id=307445
rdar://170063446

Reviewed by Wenson Hsieh.

This patch adds an additional carve-out for some tracker script blocking.
Instead of blocking all connections, we'll try to limit the number of
connections. I'm not sure this is web compatible, so we'll see if this sticks.

Test: Tools/TestWebKitAPI/Tests/WebKitCocoa/ScriptTrackingPrivacyTests.mm

* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WebKit/NetworkProcess/NetworkLoadChecker.cpp:
(WebKit::NetworkLoadChecker::checkRequest):
(WebKit::NetworkLoadChecker::shouldBlockForTrackingPolicy):
* Source/WebKit/NetworkProcess/NetworkLoadChecker.h:
* Source/WebKit/NetworkProcess/NetworkResourceLoadParameters.h:
* Source/WebKit/NetworkProcess/NetworkResourceLoadParameters.serialization.in:
* Source/WebKit/NetworkProcess/NetworkSession.cpp:
(WebKit::NetworkSession::shouldBlockRequestForTrackingPolicyAndUpdatePolicy):
* Source/WebKit/NetworkProcess/NetworkSession.h:
* Source/WebKit/Shared/ScriptTrackingPrivacyFilter.cpp:
(WebKit::ScriptTrackingPrivacyFilter::shouldBlockRequest):
* Source/WebKit/Shared/ScriptTrackingPrivacyFilter.h:
* Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp:
(WebKit::addParametersShared):
* Source/WebKit/WebProcess/WebProcess.cpp:
(WebKit::WebProcess::shouldBlockRequest):
* Source/WebKit/WebProcess/WebProcess.h:
* Tools/TestWebKitAPI/Tests/WebKitCocoa/ScriptTrackingPrivacyTests.mm:
(TestWebKitAPI::setUpWebViewForFingerprintingTests):
(TestWebKitAPI::(ScriptTrackingPrivacyTests, ImgElementLoadBlocked)):
(TestWebKitAPI::(ScriptTrackingPrivacyTests, BlockSubsequentFetch)):
(TestWebKitAPI::(ScriptTrackingPrivacyTests, BlockSubsequentElement)):
(TestWebKitAPI::(ScriptTrackingPrivacyTests, BlockSubsequent2Element)):

Canonical link: https://commits.webkit.org/307335@main



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