From ec05381f6f8644ff97880b000b592b58e5a23c2e Mon Sep 17 00:00:00 2001
From: Rob Ede <robjtede@icloud.com>
Date: Tue, 15 Oct 2024 07:00:04 +0100
Subject: [PATCH] feat: add CLEAR_SITE_DATA header

---
 actix-http/CHANGES.md           | 6 ++++++
 actix-http/src/header/common.rs | 8 ++++++++
 actix-http/src/header/mod.rs    | 6 +++---
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/actix-http/CHANGES.md b/actix-http/CHANGES.md
index 2bbcebc07..982add26a 100644
--- a/actix-http/CHANGES.md
+++ b/actix-http/CHANGES.md
@@ -2,6 +2,12 @@
 
 ## Unreleased
 
+### Added
+
+- Add `header::CLEAR_SITE_DATA` constant.
+
+### Changed
+
 - Update `brotli` dependency to `7`.
 - Minimum supported Rust version (MSRV) is now 1.75.
 
diff --git a/actix-http/src/header/common.rs b/actix-http/src/header/common.rs
index 6942dc26a..ebdd6708f 100644
--- a/actix-http/src/header/common.rs
+++ b/actix-http/src/header/common.rs
@@ -18,6 +18,14 @@ pub const CACHE_STATUS: HeaderName = HeaderName::from_static("cache-status");
 // TODO(breaking): replace with http's version
 pub const CDN_CACHE_CONTROL: HeaderName = HeaderName::from_static("cdn-cache-control");
 
+/// Response header field that sends a signal to the user agent that it ought to remove all data of
+/// a certain set of types.
+///
+/// See the [W3C Clear-Site-Data spec] for full semantics.
+///
+/// [W3C Clear-Site-Data spec]: https://www.w3.org/TR/clear-site-data/#header
+pub const CLEAR_SITE_DATA: HeaderName = HeaderName::from_static("clear-site-data");
+
 /// Response header that prevents a document from loading any cross-origin resources that don't
 /// explicitly grant the document permission (using [CORP] or [CORS]).
 ///
diff --git a/actix-http/src/header/mod.rs b/actix-http/src/header/mod.rs
index 79f91afef..b22c43f76 100644
--- a/actix-http/src/header/mod.rs
+++ b/actix-http/src/header/mod.rs
@@ -42,9 +42,9 @@ pub use self::{
     as_name::AsHeaderName,
     // re-export list is explicit so that any updates to `http` do not conflict with this set
     common::{
-        CACHE_STATUS, CDN_CACHE_CONTROL, CROSS_ORIGIN_EMBEDDER_POLICY, CROSS_ORIGIN_OPENER_POLICY,
-        CROSS_ORIGIN_RESOURCE_POLICY, PERMISSIONS_POLICY, X_FORWARDED_FOR, X_FORWARDED_HOST,
-        X_FORWARDED_PROTO,
+        CACHE_STATUS, CDN_CACHE_CONTROL, CLEAR_SITE_DATA, CROSS_ORIGIN_EMBEDDER_POLICY,
+        CROSS_ORIGIN_OPENER_POLICY, CROSS_ORIGIN_RESOURCE_POLICY, PERMISSIONS_POLICY,
+        X_FORWARDED_FOR, X_FORWARDED_HOST, X_FORWARDED_PROTO,
     },
     into_pair::TryIntoHeaderPair,
     into_value::TryIntoHeaderValue,