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# Introduction

The mapped security architecture includes the following components:

- Documentum.
- Documentum Connector
- Micro Focus OmniGroupServer
- Micro Focus IDOL Server
- Micro Focus IDOL Mapped Security plug-in
- A front-end application

Items in Documentum have an Access Control List (ACL) that lists the users and groups who are permitted, and are not permitted, to view the item.

The Documentum Connector retrieves items from Documentum and sends documents to CFS to be indexed into IDOL. The connector extracts the ACL for each item, and writes it to a document field. Each time the connector synchronizes with the repository, it extracts updated ACLs.

IDOL needs the ACL to determine whether a user can view a document that is returned as a result to a query. However, IDOL must also consider the groups that the user belongs to. A user might not be permitted to view a document, but they could be a member of a group that has permission. This means that IDOL requires group information from Documentum.

Group information is retrieved from Documentum by OmniGroupServer (the connector does not retrieve group information). OmniGroupServer then stores the group information so that it can be used by IDOL Server.

When a user logs on to a front-end application, the application requests the user’s security information and group memberships from the IDOL Community component. Community returns a token containing the information. The front-end application includes this token in all queries the user sends to the IDOL Content component.

After a user submits a query, IDOL sends the result documents and the user’s security token to the Mapped Security plug-in. The Mapped Security plug-in compares the user’s security information and group memberships to each document’s ACL. The plug-in determines which documents the user is permitted to view and returns the results. IDOL server then sends only the documents that the user is permitted to view to the front-end application.

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