structured clone

src/bun.js/bindings/ProcessIdentifier.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ProcessIdentifier.h"
+
+#include <wtf/MainThread.h>
+
+namespace WebCore {
+namespace ProcessIdent {
+
+static std::optional<ProcessIdentifier> globalIdentifier;
+
+void setIdentifier(ProcessIdentifier processIdentifier)
+{
+    ASSERT(isUIThread());
+    globalIdentifier = processIdentifier;
+}
+
+ProcessIdentifier identifier()
+{
+    static std::once_flag onceFlag;
+    std::call_once(onceFlag, [] {
+        if (!globalIdentifier)
+            globalIdentifier = ProcessIdentifier::generate();
+    });
+
+    return *globalIdentifier;
+}
+
+} // namespace ProcessIdent
+} // namespace WebCore

src/bun.js/bindings/ProcessIdentifier.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <wtf/ObjectIdentifier.h>
+
+namespace WebCore {
+
+enum ProcessIdentifierType {};
+using ProcessIdentifier = ObjectIdentifier<ProcessIdentifierType>;
+
+namespace ProcessIdent {
+
+WEBCORE_EXPORT void setIdentifier(ProcessIdentifier);
+WEBCORE_EXPORT ProcessIdentifier identifier();
+
+} // namespace ProcessIdent
+} // namespace WebCore

src/bun.js/bindings/ScriptExecutionContext.cpp

@@ -137,4 +137,11 @@ void ScriptExecutionContext::removeFromContextsMap()
     // allScriptExecutionContextsMap().remove(m_identifier);
 }
 
+ScriptExecutionContext* executionContext(JSC::JSGlobalObject* globalObject)
+{
+    if (!globalObject || !globalObject->inherits<JSDOMGlobalObject>())
+        return nullptr;
+    return JSC::jsCast<JSDOMGlobalObject*>(globalObject)->scriptExecutionContext();
+}
+
 }

src/bun.js/bindings/ScriptExecutionContext.h

@@ -115,6 +115,18 @@ class ScriptExecutionContext : public CanMakeWeakPtr<ScriptExecutionContext> {
     // {
     // }
 
+#if ENABLE(WEB_CRYPTO)
+    // These two methods are used when CryptoKeys are serialized into IndexedDB. As a side effect, it is also
+    // used for things that utilize the same structure clone algorithm, for example, message passing between
+    // worker and document.
+
+    // For now these will return false. In the future, we will want to implement these similar to how WorkerGlobalScope.cpp does.
+    // virtual bool wrapCryptoKey(const Vector<uint8_t>& key, Vector<uint8_t>& wrappedKey) = 0;
+    // virtual bool unwrapCryptoKey(const Vector<uint8_t>& wrappedKey, Vector<uint8_t>& key) = 0;
+    bool wrapCryptoKey(const Vector<uint8_t>& key, Vector<uint8_t>& wrappedKey) { return false; }
+    bool unwrapCryptoKey(const Vector<uint8_t>& wrappedKey, Vector<uint8_t>& key) { return false; }
+#endif
+
     static bool postTaskTo(ScriptExecutionContextIdentifier identifier, Function<void(ScriptExecutionContext&)>&& task);
 
     void regenerateIdentifier();
@@ -194,4 +206,7 @@ class ScriptExecutionContext : public CanMakeWeakPtr<ScriptExecutionContext> {
         }
     }
 };
+
+ScriptExecutionContext* executionContext(JSC::JSGlobalObject*);
+
 }