From 19bbde3b2ca4e882277092c912bdf5c4e27da21a Mon Sep 17 00:00:00 2001
From: ayn2op <ayn2op@gmail.com>
Date: Wed, 12 Aug 2026 02:08:43 -0400
Subject: [PATCH] feat(http): add Chromium client hints

---
 internal/http/headers.go         |  4 ++++
 internal/http/properties.go      |  5 +++++
 internal/http/properties_test.go | 20 ++++++++++++++++++++
 internal/tls/profile.go          |  8 ++++++--
 4 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/internal/http/headers.go b/internal/http/headers.go
index ba6e46d..dc9ea3f 100644
--- a/internal/http/headers.go
+++ b/internal/http/headers.go
@@ -23,6 +23,10 @@ func Headers() stdHttp.Header {
 	headers.Set("Sec-Fetch-Mode", "cors")
 	headers.Set("Sec-Fetch-Site", "same-origin")
 
+	headers.Set("Sec-Ch-Ua", BrowserBrands())
+	headers.Set("Sec-Ch-Ua-Mobile", "?0")
+	headers.Set("Sec-Ch-Ua-Platform", `"`+OS+`"`)
+
 	headers.Set("X-Debug-Options", "bugReporterEnabled")
 	headers.Set("X-Discord-Locale", string(Locale))
 
diff --git a/internal/http/properties.go b/internal/http/properties.go
index 172c73a..c462198 100644
--- a/internal/http/properties.go
+++ b/internal/http/properties.go
@@ -19,6 +19,11 @@ func BrowserUserAgent() string {
 	return "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) " + tls.BrowserName() + "/" + tls.BrowserVersion() + " Safari/537.36"
 }
 
+func BrowserBrands() string {
+	version := tls.BrowserMajorVersion()
+	return `"Chromium";v="` + version + `", "Not-A.Brand";v="24", "Google ` + tls.BrowserName() + `";v="` + version + `"`
+}
+
 func CommonProperties() gateway.IdentifyProperties {
 	return gateway.IdentifyProperties{
 		gateway.IdentifyDevice: "",
diff --git a/internal/http/properties_test.go b/internal/http/properties_test.go
index d4a7147..d1d91ca 100644
--- a/internal/http/properties_test.go
+++ b/internal/http/properties_test.go
@@ -33,3 +33,23 @@ func TestBrowserIdentity(t *testing.T) {
 		t.Fatalf("user agent does not contain %q", product)
 	}
 }
+
+func TestBrowserClientHints(t *testing.T) {
+	headers := Headers()
+	tests := []struct {
+		name string
+		want string
+	}{
+		{"Sec-Ch-Ua", `"Chromium";v="146", "Not-A.Brand";v="24", "Google Chrome";v="146"`},
+		{"Sec-Ch-Ua-Mobile", "?0"},
+		{"Sec-Ch-Ua-Platform", `"Windows"`},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if got := headers.Get(test.name); got != test.want {
+				t.Fatalf("got = %q, want = %q", got, test.want)
+			}
+		})
+	}
+}
diff --git a/internal/tls/profile.go b/internal/tls/profile.go
index c836ed6..a87e91f 100644
--- a/internal/tls/profile.go
+++ b/internal/tls/profile.go
@@ -8,6 +8,10 @@ func BrowserName() string {
 	return clientProfile.GetClientHelloId().Client
 }
 
-func BrowserVersion() string {
-	return clientProfile.GetClientHelloId().Version + ".0.0.0"
+func BrowserMajorVersion() string {
+	return clientProfile.GetClientHelloId().Version
+}
+
+func BrowserVersion() string {
+	return BrowserMajorVersion() + ".0.0.0"
 }