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--- a/chrome/browser/ungoogled_flag_choices.h
+++ b/chrome/browser/ungoogled_flag_choices.h
@@ -79,4 +79,16 @@ const FeatureEntry::Choice kTabHoverCard
"tab-hover-cards",
"tooltip"},
};
+const FeatureEntry::Choice kReferrerDirective[] = {
+ {flags_ui::kGenericExperimentChoiceDefault, "", ""},
+ {"No cross-origin referrer",
+ "referrer-directive",
+ "nocrossorigin"},
+ {"Minimal referrer",
+ "referrer-directive",
+ "minimal"},
+ {"No referrers",
+ "referrer-directive",
+ "noreferrers"},
+};
#endif // CHROME_BROWSER_UNGOOGLED_FLAG_CHOICES_H_
--- a/chrome/browser/ungoogled_flag_entries.h
+++ b/chrome/browser/ungoogled_flag_entries.h
@@ -88,4 +88,8 @@
"Hide tab close buttons",
"Hides the close buttons on tabs. ungoogled-chromium flag.",
kOsDesktop, SINGLE_VALUE_TYPE("hide-tab-close-buttons")},
+ {"referrer-directive",
+ "Referrer directive",
+ "Allows setting a custom directive for referrer headers. The no cross-origin referrer option removes all cross-origin referrers, the minimal option removes all cross-origin referrers and strips same-origin referrers down to the origin, and the no referrers option removes all referrers. ungoogled-chromium flag.",
+ kOsAll, MULTI_VALUE_TYPE(kReferrerDirective)},
#endif // CHROME_BROWSER_UNGOOGLED_FLAG_ENTRIES_H_
--- a/content/browser/utility_process_host.cc
+++ b/content/browser/utility_process_host.cc
@@ -225,6 +225,7 @@ bool UtilityProcessHost::StartProcess()
// Browser command-line switches to propagate to the utility process.
static const char* const kSwitchNames[] = {
+ "referrer-directive",
network::switches::kAdditionalTrustTokenKeyCommitments,
network::switches::kForceEffectiveConnectionType,
network::switches::kHostResolverRules,
--- a/services/network/network_service_network_delegate.cc
+++ b/services/network/network_service_network_delegate.cc
@@ -7,6 +7,7 @@
#include <string>
#include "base/bind.h"
+#include "base/command_line.h"
#include "base/debug/dump_without_crashing.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
@@ -62,6 +63,15 @@ void NetworkServiceNetworkDelegate::Mayb
return;
}
+ if (base::CommandLine::ForCurrentProcess()->HasSwitch("referrer-directive")) {
+ std::string option = base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII("referrer-directive");
+ if (!url::IsSameOriginWith(effective_url, GURL(request->referrer())) || option == "noreferrers")
+ request->SetReferrer(std::string());
+ if (option == "minimal")
+ request->SetReferrer(url::Origin::Create(GURL(request->referrer())).GetURL().spec());
+ return;
+ }
+
if (base::FeatureList::IsEnabled(
net::features::kCapReferrerToOriginOnCrossOrigin)) {
if (!url::IsSameOriginWith(effective_url, GURL(request->referrer()))) {
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