1 files changed, 65 insertions, 0 deletions
diff --git a/src/javascript/jsc/bindings/webcore/ProcessIdentity.cpp b/src/javascript/jsc/bindings/webcore/ProcessIdentity.cpp
new file mode 100644
index 000000000..de8d32ab4
--- /dev/null
+++ b/src/javascript/jsc/bindings/webcore/ProcessIdentity.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 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. ``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
+ * 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 "ProcessIdentity.h"
+
+#include "Logging.h"
+
+#if HAVE(TASK_IDENTITY_TOKEN)
+#include <mach/mach.h>
+#endif
+
+namespace WebCore {
+
+ProcessIdentity::ProcessIdentity(CurrentProcessTag)
+{
+#if HAVE(TASK_IDENTITY_TOKEN)
+    task_id_token_t identityToken;
+    kern_return_t kr = task_create_identity_token(mach_task_self(), &identityToken);
+    if (kr == KERN_SUCCESS)
+        m_taskIdToken = MachSendRight::adopt(identityToken);
+    else
+        RELEASE_LOG_ERROR(Process, "task_create_identity_token() failed: %{private}s (%x)", mach_error_string(kr), kr);
+#endif
+}
+
+ProcessIdentity::operator bool() const
+{
+#if HAVE(TASK_IDENTITY_TOKEN)
+    return static_cast<bool>(m_taskIdToken);
+#else
+    return false;
+#endif
+}
+
+#if HAVE(TASK_IDENTITY_TOKEN)
+ProcessIdentity::ProcessIdentity(MachSendRight&& taskIdToken)
+    : m_taskIdToken(WTFMove(taskIdToken))
+{
+}
+#endif
+
+}