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I am looking for a php script to store and manage files on a server. I have looked at 2 systems and you can use these for reference. ownclod.com and http://codecanyon.net/item/file-manager-and-backup-system/5177206?WT.ac=search_item&WT.seg_1=search_item&WT.z_author=codstack.
The following features are a must have.
File encryption: Any files uploaded to the server must be encrypted by the file manager. Each user must have their own encryption key. The file name must also be encrypted.
File Sharing: Users should have the ability to share files with other users or send a link to someone that is not a user.
And the features of the codecanyon script above. The backup part is not necessary but if you have it, it will be a plus.
Next option can be for me to provide the codecanyon script and you can add the features as requested here.
If you have something alreay that can do the job, that can also work. If you do, send demo links.