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So, like, Java?

> Imagine extensions for applications or databases, written in any language you want, with no ability to exfiltrate data

How does Java preclude plugins exfiltrating data?

Downvoters: I’m not trying to be sacrilegious; I genuinely don’t know the answer.

You can use a security manager and define permission on what the loaded java code can do.

Unfortunately, it's fraught with danger because of the confused lieutenant issue ( you'd need to give parts of the app permission but not others - doing so isn't trivial).

Just to help others searching for "confused lieutenant," I believe it's usually known as the "confused deputy problem," perhaps as a reference to Barney Fife. I do like the image of a confused lieutenant though.

https://news.ycombinator.com/item?id=21516212

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