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RBAC requires that users pass appropriate credentials to Couchbase Server in order to access cluster-resources. The SDK provides enhanced support for the passing of credentials.

RBAC and the SDK

Couchbase Server 5.0 Enterprise Edition introduces Role-Based Access Control. This ensures that cluster-resources can only be accessed by users with appropriate privileges. Privileges are grouped in Couchbase-defined sets; and each set is associated with a specific role. Users can each be assigned one or more roles, and are thereby granted the privileges associated with each role.

In order to access cluster-resources, programs, including those supported by the Couchbase SDK, must authenticate with Couchbase Server, and so be identified as existing users, each associated with one or more roles. Authentication requires the passing of credentials; which consist of a username and (in most cases) a password. Users may be defined either locally to Couchbase Server, or externally (for example, by means of an LDAP server).

Once authentication has succeeded, an authorization process checks the roles associated with the identified user. If role-associated privileges correspond to the level of resource-access requested by the user, access is duly granted; otherwise, it is denied.

Passing Credentials

The Couchbase SDK provides enhanced support for authentication. Exact procedures differ slightly, according to the language used. Code examples for Node.js can be found in Getting Started with the SDK, and also as part of the Sample Code provided to demonstrate user management.

Further Information on RBAC

All aspects of the Couchbase RBAC system are covered in the section Authorization. Specifically, for information on: