Share API

Overview

The Share API is designed to manage the storage of shared items for the apps in ownCloud.

Definitions

• Item - a resource e.g. file, calendar, addressbook
• Share With - the person/people shared with e.g. user, group
• Share Owner - a user who owns the item
• Share - a connection between the share owner of an item and a share with the share owner wishes to share the item with
• Share Type - the type of share with e.g. user, group, link, email address
• Source - the identifier of the resource used by the app
• Target - the name of the resource for the share with
• Reshare - a share in which a recipient of a share shares that item to a different share with
• Parent Share - the share that is the parent of another share, used for reshares and special case group shares
• CRUDS - create, read, update, delete, share permissions defined in lib/public/constants.php

Classes

ShareType Abstract class that is responsible for inserting, updating, and deleting shares from the database. Extended by other share types to define their conditions for a valid share and additional custom handling.

• isValidShare(Share $share)
• Checks if item is valid
• Checks if this is a reshare
• Checks if permissions are valid
• Checks if expiration time is valid
• share(Share $share)
• Checks isValidShare($share)
• getShares()
• getShare()
• unshare(Share $share)
• Deletes share from database
• Deletes all reshares from database
• setPermissions(Share $share)
• Checks if permissions are valid
• If permissions are removed, updates permissions of all reshares
• If share permission is removed, either delete all reshares or look for duplicates to switch parent ids
• setExpirationTime(Share $share)
• Checks if expiration time is valid
• If time is decreased, either update time of all reshares or look for duplicates to switch parent ids
• searchForShareWith($pattern)
• Returns a list of potential share with of this share type (for dropdown autocomplete)