By default, admin management panel can be used to upload favicon/site-logo and etc images which are not hooked in the nodebb original source code.
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If that's the situation you have to override the default upload behavior, you may have to change the source code. I'll put a simple example below:
source code to change: src/controllers/admin/uploads.js for example, override the default uploadFavicon behavior with the above plugin: uploadsController.uploadCategoryPicture = function() { await upload('favicon', req, res, next); }
