What ready-made solutions exist for sharing resources (pictures, documents, etc.) through a browser with access control?

Question

Computer networks

good time of day,
for clients it is necessary to organize a place where they can pick up documents, pictures intended for them, read their news in the form of a blog. All with the separation of rights to read, download and view (some pictures and documents are common to everyone, some are only for certain clients). Documents and pictures divided into categories (preferably with nesting of categories one into another). It would be nice to have something based on php and some kind of open cms like drupal or wordpress. Some pictures are combined into collections with the ability to download in one file. In general, such a joint repository of materials. It would be nice to be able to combine clients into groups in order to then give access rights to groups. ipt In theory, some kind of online store would come up, but I didn’t see those with division into groups (for someone it’s free, for someone it’s paid,
You can also buy a solution, but you must have the source code and the developer's docks (so that if you develop it, you won't be left without support)
Please send.

Answer 1

owncloud