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The following page has been changed by AndreasHartmann:
http://wiki.apache.org/lenya/Glossary

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   navigation::
  
+  policy:: A policy assigns a set of '''=>roles''' to an '''=>accreditable''' 
on a specific URL. The resulting role set of an identity is the union set of 
the roles of the accreditables belonging to the identity. 
+ 
+ Example:
+ 
+ * policy 1: user John has the role "edit" on the URL "/news"
+ * policy 2: IP range 182.12.4.122/255.255.0.0 has the role "review" on the 
URL "/news"
+ 
+ If John logs in from a machine in this IP range, he has the roles "edit" and 
"review" on the URL "/news".
+ 
   protocol:: A specifier used in URIs to define where the content comes from 
and in which format. The most famous is likely '''{{{http://}}}'''. In Lenya 
publication sitemaps, you will find the following protocols:
     * from Cocoon:
      * {{{file://}}} - read a file from disk, using the operating system's 
path as the URI
@@ -145, +154 @@

  
   ''(see also JcrConfiguration)''
  
-  role:: The capabilities and privileges of an '''=>identity''' on a certain 
URL. Roles are used to define conditions for '''=>workflow''' transitions, and 
to restrict access to '''=>usecases'''. The default publication defines four 
basic roles that a lenya user can have. An '''admin''' can control all aspects 
of a publication and create, delete or modify users and groups. An '''editor''' 
can modify and create new content, but cannot publish it; for this, s/he hands 
the work to a '''reviewer''', who does the final check and decides whether the 
page can go live. The '''visitor''' is just allowed to view pages.
+  role:: The capabilities and privileges of an '''=>identity'''. 
'''Policies''' are used to determine the roles of an identity for acertain URL. 
Roles are used to define conditions for '''=>workflow''' transitions, and to 
restrict access to '''=>usecases'''. The default publication defines four basic 
roles that a lenya user can have. An '''admin''' can control all aspects of a 
publication and create, delete or modify users and groups. An '''editor''' can 
modify and create new content, but cannot publish it; for this, s/he hands the 
work to a '''reviewer''', who does the final check and decides whether the page 
can go live. The '''visitor''' is just allowed to view pages.
   You can define custom roles and workflows.
  
   Roles are frequently assigned via '''=>group''' membership, but do not 
confuse roles and groups. OverviewAccessControl has a good explanation of how 
different they are.

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