A demonstration on how to implement complex permissions with Apache Shiro.
Read the tutorial here: Apache Shiro: Implementing complex permissions autonomously.
This Maven project shows how to realize complex permissions by providing custom implementations of Apache Shiro's Permission interface.
It uses the follwing permissions to access files in a tree as an example:
de.triology.blog.complexspermissions.PermissionForTheFileItself- grants access to a particular filede.triology.blog.complexspermissions.ReadPermissionForAncestors- grants access to a file's ancestorsde.triology.blog.complexspermissions.PermissionForAllDescendantFiles- grants access to a file's descendants
Permissions are configured and assigend to the Shiro Subject in de.triology.blog.complexspermissions.ComplexPermissionRealm.
A Demonstration is provided in de.triology.blog.complexspermissions.demo.Demo.