diff --git a/include/duplicatable_file_handle.hpp b/include/duplicatable_file_handle.hpp
index f199485..e346096 100644
--- a/include/duplicatable_file_handle.hpp
+++ b/include/duplicatable_file_handle.hpp
@@ -2,13 +2,63 @@
 
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
+#include "bmcweb_config.h"
+
+#include "logging.hpp"
+
 #include <unistd.h>
 
 #include <boost/beast/core/file_posix.hpp>
 
+#include <cerrno>
+#include <filesystem>
+#include <string>
+#include <string_view>
+
 struct DuplicatableFileHandle
 {
     boost::beast::file_posix fileHandle;
+    std::string filePath;
+
+    // Construct from a file descriptor
+    explicit DuplicatableFileHandle(int fd)
+    {
+        fileHandle.native_handle(fd);
+    }
+
+    // Creates a temporary file with the contents provided, removes it on
+    // destruction.
+    explicit DuplicatableFileHandle(std::string_view contents)
+    {
+        std::filesystem::path tempDir("/tmp/bmcweb");
+        std::error_code ec;
+        std::filesystem::create_directories(tempDir, ec);
+        if (ec)
+        {
+            BMCWEB_LOG_ERROR("Failed to create directory {}: {}",
+                             tempDir.string(), ec.value());
+        }
+
+        filePath = (tempDir / "XXXXXXXXXXX").string();
+
+        int fd = mkstemp(filePath.data());
+        if (fd < 0)
+        {
+            BMCWEB_LOG_ERROR("Failed to create temporary file: {}", errno);
+            return;
+        }
+        ssize_t written = write(fd, contents.data(), contents.size());
+        if (written < 0 || static_cast<size_t>(written) != contents.size())
+        {
+            BMCWEB_LOG_ERROR("Failed to write to temporary file: {}", errno);
+        }
+        close(fd);
+    }
+
+    void setFd(int fd)
+    {
+        fileHandle.native_handle(fd);
+    }
 
     DuplicatableFileHandle() = default;
     DuplicatableFileHandle(DuplicatableFileHandle&&) noexcept = default;
@@ -29,5 +79,12 @@
     }
     DuplicatableFileHandle& operator=(DuplicatableFileHandle&& other) noexcept =
         default;
-    ~DuplicatableFileHandle() = default;
+
+    ~DuplicatableFileHandle()
+    {
+        if (!filePath.empty())
+        {
+            std::filesystem::remove(filePath);
+        }
+    }
 };