LibWeb: Expose `crypto` object to workers

This change moves the `crypto()` getter from `Window` to
`WorkerOrWindowGlobalScope`. This aligns our implementation with the
WebCrypto specification.

Tests/LibWeb/Text/expected/Worker/Worker-crypto.txt

@@ -0,0 +1 @@
+Type of self.crypto: [object Crypto]

Tests/LibWeb/Text/input/Worker/Worker-crypto.html

@@ -0,0 +1,10 @@
+<script src="../include.js"></script>
+<script>
+    asyncTest(done => {
+        let work = new Worker("worker-crypto.js");
+        work.onmessage = (evt) => {
+            println(`Type of self.crypto: ${evt.data}`);
+            done();
+        };
+    });
+</script>

Tests/LibWeb/Text/input/Worker/worker-crypto.js

@@ -0,0 +1 @@
+postMessage(self.crypto.toString());

Userland/Libraries/LibWeb/HTML/Window.cpp

@@ -24,7 +24,6 @@
 #include <LibWeb/CSS/Parser/Parser.h>
 #include <LibWeb/CSS/ResolvedCSSStyleDeclaration.h>
 #include <LibWeb/CSS/Screen.h>
-#include <LibWeb/Crypto/Crypto.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Element.h>
 #include <LibWeb/DOM/Event.h>
@@ -120,7 +119,6 @@ void Window::visit_edges(JS::Cell::Visitor& visitor)
     visitor.visit(m_current_event);
     visitor.visit(m_screen);
     visitor.visit(m_location);
-    visitor.visit(m_crypto);
     visitor.visit(m_navigator);
     visitor.visit(m_navigation);
     visitor.visit(m_custom_element_registry);
@@ -1553,16 +1551,6 @@ JS::GCPtr<Selection::Selection> Window::get_selection() const
     return associated_document().get_selection();
 }
 
-// https://w3c.github.io/webcrypto/#dom-windoworworkerglobalscope-crypto
-JS::NonnullGCPtr<Crypto::Crypto> Window::crypto()
-{
-    auto& realm = this->realm();
-
-    if (!m_crypto)
-        m_crypto = heap().allocate<Crypto::Crypto>(realm, realm);
-    return JS::NonnullGCPtr { *m_crypto };
-}
-
 // https://html.spec.whatwg.org/multipage/obsolete.html#dom-window-captureevents
 void Window::capture_events()
 {

Userland/Libraries/LibWeb/HTML/Window.h

@@ -210,8 +210,6 @@ public:
 
     JS::GCPtr<Selection::Selection> get_selection() const;
 
-    [[nodiscard]] JS::NonnullGCPtr<Crypto::Crypto> crypto();
-
     void capture_events();
     void release_events();
 
@@ -270,7 +268,6 @@ private:
     // https://html.spec.whatwg.org/multipage/webappapis.html#import-maps-allowed
     bool m_import_maps_allowed { true };
 
-    JS::GCPtr<Crypto::Crypto> m_crypto;
     JS::GCPtr<CSS::Screen> m_screen;
     JS::GCPtr<Navigator> m_navigator;
     JS::GCPtr<Location> m_location;

Userland/Libraries/LibWeb/HTML/Window.idl

@@ -1,4 +1,3 @@
-#import <Crypto/Crypto.idl>
 #import <CSS/MediaQueryList.idl>
 #import <CSS/Screen.idl>
 #import <CSS/VisualViewport.idl>
@@ -108,9 +107,6 @@ interface Window : EventTarget {
     // https://w3c.github.io/selection-api/#extensions-to-window-interface
     Selection? getSelection();
 
-    // https://w3c.github.io/webcrypto/#crypto-interface
-    [SameObject] readonly attribute Crypto crypto;
-
     undefined captureEvents();
     undefined releaseEvents();
 

Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.cpp

@@ -15,6 +15,7 @@
 #include <LibJS/Runtime/Array.h>
 #include <LibTextCodec/Decoder.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
+#include <LibWeb/Crypto/Crypto.h>
 #include <LibWeb/Fetch/FetchMethod.h>
 #include <LibWeb/HTML/CanvasRenderingContext2D.h>
 #include <LibWeb/HTML/ErrorEvent.h>
@@ -72,6 +73,7 @@ void WindowOrWorkerGlobalScopeMixin::visit_edges(JS::Cell::Visitor& visitor)
     for (auto& entry : m_performance_entry_buffer_map)
         entry.value.visit_edges(visitor);
     visitor.visit(m_registered_event_sources);
+    visitor.visit(m_crypto);
 }
 
 void WindowOrWorkerGlobalScopeMixin::finalize()
@@ -838,4 +840,15 @@ void WindowOrWorkerGlobalScopeMixin::report_error(JS::Value e)
     }
 }
 
+// https://w3c.github.io/webcrypto/#dom-windoworworkerglobalscope-crypto
+JS::NonnullGCPtr<Crypto::Crypto> WindowOrWorkerGlobalScopeMixin::crypto()
+{
+    auto& platform_object = this_impl();
+    auto& realm = platform_object.realm();
+
+    if (!m_crypto)
+        m_crypto = platform_object.heap().allocate<Crypto::Crypto>(realm, realm);
+    return JS::NonnullGCPtr { *m_crypto };
+}
+
 }

Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.h

@@ -78,6 +78,8 @@ public:
 
     void report_error(JS::Value e);
 
+    [[nodiscard]] JS::NonnullGCPtr<Crypto::Crypto> crypto();
+
 protected:
     void initialize(JS::Realm&);
     void visit_edges(JS::Cell::Visitor&);
@@ -117,6 +119,8 @@ private:
 
     mutable JS::GCPtr<JS::Object> m_supported_entry_types_array;
 
+    JS::GCPtr<Crypto::Crypto> m_crypto;
+
     bool m_error_reporting_mode { false };
 };
 

Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.idl

@@ -1,3 +1,4 @@
+#import <Crypto/Crypto.idl>
 #import <Fetch/Request.idl>
 #import <Fetch/Response.idl>
 #import <HighResolutionTime/Performance.idl>
@@ -48,4 +49,7 @@ interface mixin WindowOrWorkerGlobalScope {
 
     // https://w3c.github.io/IndexedDB/#factory-interface
     [SameObject] readonly attribute IDBFactory indexedDB;
+
+    // https://w3c.github.io/webcrypto/#crypto-interface
+    [SameObject] readonly attribute Crypto crypto;
 };