Claims-Based Authorization In Claims-Aware Applications and Services

Claims-Based Authorization In Claims-Aware Applications and Services

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Scenario

In this scenario application requires to implement complex authorization rules logic, something that cannot be satisfied using only roles. The application enforces access by calculating the outcome - grant or deny access - based on the information available in the request including the claims in the incoming token.

  • The application uses claims-based authentication
  • Role Based Access Control (RBAC) cannot satisfy authorization requirements
  • Authorization outcome - grant or deny access - is calculated based on complex rules and the data available in the token.

Solution Approach

The solution relies on ClaimsAuthorizationManager - WIF' extensibility point. You develop custom ClaimsAuthorizationManager and register it in web.config. You can optionally express the rules as a policy in the web.config so that the custom ClaimsAuthorizationManager can read them at run time and enforce them for the incoming requests. For detailed step-by-step walkthrough read How To: Implement Claims Authorization in a Claims-Aware ASP.NET Application Using WIF and ACS.

  • Application uses WIF
  • Application uses ClaimsAuthorizationManager as an extensibility point
  • Implement custom ClaimsAuthorizationManager and define authorization policy in the configuration file
  • Call CheckAccss in the code to enforce the authorization policy.

Analysis

Implement claims-cased authorization when role base access control (RBAC) is insufficient to satisfy authorization requirements. Read more about RBAC in Role-Based Access Control (RBAC) Authorization In Claims-Aware Applications 

How-To's

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Comments
  • Maheshkumar S Tiwari edited Revision 10. Comment: Added tags

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