CODEWITHSUNDEEP
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Reputation: 353

Can an standalone / external C++ executable or JavaScript create cookies for Firefox?

I need to create/update/remove cookie for FireFox browser. This cookie is a client cookie, as in it has to be created by C++ executable and it will be present on the end user machine.

How can I achieve this?

Thank you

Upvotes: 0

Views: 466

Answers (1)

Wladimir Palant
Wladimir Palant

Reputation: 57681

You basically have two options:

  • You attempt to manipulate Firefox data (file cookies.sqlite) directly. It's a fairly simple SQLite database so there is nothing complicated about that. However, catch 1: this cannot be done while Firefox is running. Also, catch 2: the format might change in future (as happened before) and your application will stop working or, worse, break the file.
  • You do it from inside Firefox. For example, you would write a bootstrapped extension that would use nsICookieManager2 interface to add the cookie and then Add-on Manager API to uninstall itself immediately after that. Then your application would only have to run Firefox with the command line firefox -url file:///path/to/extension.xpi (works even if Firefox is already running). The catch here: the user would need to confirm extension installation. So you cannot do it behind his back, you need to explain what is happening and why.

Upvotes: 2

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