Modelling Security Policies in Hypermedia and Web-Based Applications

  • Authors:
  • Paloma Díaz;Ignacio Aedo;Fivos Panetsos

  • Affiliations:
  • -;-;-

  • Venue:
  • Web Engineering, Software Engineering and Web Application Development
  • Year:
  • 2001

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Abstract

As hyperdocuments grow and offer more and more contents and services, some of them become more sensitive and should only be accessed by very specific users. Moreover, hypermedia applications can offer different views and manipulation abilities to different users, depending on the role they play in a particular context. Such security requirements have to be integrated into the development process in such a way that what is understood by a proper and safe manipulation of a hyperdocument has to be analysed, specified and implemented using the appropriate abstractions. In this paper we present a high-level security model applied to the modelling of security policies using components and services belonging to the hypermedia domain. The model uses negative ACLs and context-dependent user permissions for the specification of security rules. An example of its use for the design and operation of a web-based magazine is also described.