Declarative Access Control for WebDSL: Combining Language Integration and Separation of Concerns

  • Authors:
  • Danny Groenewegen;Eelco Visser

  • Affiliations:
  • -;-

  • Venue:
  • ICWE '08 Proceedings of the 2008 Eighth International Conference on Web Engineering
  • Year:
  • 2008

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Abstract

In this paper, we present the extension of WebDSL, a domain-specific language for web application development, with abstractions for declarative definition of access control. The extension supports the definition of a wide range of access control policies concisely and transparently as a separate concern. In addition to regulating the access to pages and actions, access control rules are used to infer navigation options not accessible to the current user, preventing the presentation of inaccessible links. The extension is an illustration of a general approach to the design of domain-specific languages for different technical domains to support separation of concerns in application development, while preserving linguistic integration. This approach is realized by means of a transformational semantics that weaves separately defined aspects into an integrated implementation.