Potential fix for code scanning alert no. 6: Unnecessary use of cat process

[C4illin]

Potential fix for https://github.com/C4illin/ConvertX/security/code-scanning/6

The problem is the use of exec("cat /etc/os-release", callback) on line 7, which unnecessarily spawns a shell process to read a file.
The correct fix is to replace this with fs.readFile("/etc/os-release", "utf8", callback), which reads the file asynchronously using Node's standard library, improving efficiency and portability (and removing the need to spawn a shell command).

Details:

• Import the Node.js fs module at the top of the file: import { readFile } from "node:fs";
• Replace the exec("cat /etc/os-release", ...) call with readFile("/etc/os-release", "utf8", ...). This ensures stdout in the function becomes the file content as expected.
• The callback can remain unchanged, as the second parameter continues to be the file contents.

All other lines in this file remain unchanged.

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Summary by cubic

Replace shell-based file read with Node’s fs.readFile to fix code scanning alert #6. This removes the unnecessary cat process, improves efficiency and portability, and keeps the callback behavior unchanged.

^{Written for commit c3bb5d6. Summary will update automatically on new commits.}

[cubic-dev-ai]

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