DRAMA Releases Fedora Front-End Beta for Authentication/Full-Text Search

DRAMA (Digital Repository Authorization Middleware Architecture) has released Fiddler, a beta version of its mura Fedora front-end that provides access control, authentication, full-text searching and a variety of other functions. DRAMA is a sub-project of RAMP (Research Activityflow and Middleware Priorities Project).

Here’s an excerpt from the news item that describes Fiddler’s features:

  • Hierarchical access control enforcement: Policies can be applied at the collection level, object level or datastream level. . . .
  • Improved access control interface: One can now view existing access control of a particular user or group for a given datastream, object or collection. . . .
  • User-centric GUI: mura only presents users with operations for which they have permissions.
  • XForms Metadata Input: We employ an XForms engine (Orbeon) for metadata input. XForms allow better user interaction, validation and supports any XML-based metadata schemas (such as MARC or MODS).
  • LDAP Filter for Fedora: The current Fedora LDAP filter (in version 2.2) does not authenticate properly, so we have developed a new LDAP filter to fix this problem.
  • Local authentication for DAR and ASM: In addition to Shibboleth authentication, the DAR and ASM can be configured to use a local authentication source (eg. via a local LDAP).
  • Generic XACML Vocabulary: XACML policies are now expressed in a generic vocabulary rather than Fedora specific ones. . . .
  • XACML Optimization: We have optimized of the evaluation engine by employing a cache with user configurable time-to-live. We have also greatly reduced the time for policies matching with DB XML, through the use of bind parameters in our queries.
  • Flexible mapping of Fedora actions to new Apache Axis handlers: Axis is the SOAP engine that Fedora employs to provide its web services. The new flexibility allows new handlers to be easily plugged into Fedora to support new features that follow the same Interceptor pattern as our authorization framework.
  • Version control: mura now supports version control.
  • Full-text search: We enabled full-text search by incorporating Fedoragsearch package.
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