HAI Use Case: User securely authenticates and gets an open session

From OPeNDAP Documentation

Point Of Contact: Nathan Potter

1 Description

A user authenticates with a Hyrax server and gets a session.

2 Goal

Provide user identification information to Hyrax/Tomcat in order to allow Hyrax Admin's to manage access to datasets.

3 Summary

  • A user attempts to access a restricted part of the Hyrax server.
  • The server presents an authentication challenge.
  • The user provides credentials.
  • The user is granted access.

4 Actors

  • User - typically software, either an automation or something driven by a human (like a browser)
  • Hyrax

5 Preconditions

  • The user want to access data held in a Hyrax server.
  • The Hyrax server has been configured to consider this data restricted.

6 Triggers

The user attempts to access the restricted data set on Hyrax.

7 Basic Flow

  1. A user attempts to access a restricted part of the Hyrax server.
  2. The server returns an authentication challenge.
  3. The user provides credentials.
  4. The user is granted access.

8 Alternate Flow

  1. A user attempts to access a restricted part of the Hyrax server.
  2. The server returns an authentication challenge.
  3. The user provides credentials.
  4. The user is denied access.

9 Post Conditions

Here we give any conditions that will be true of the state of the system after the use case has been completed.

10 Activity Diagram

Here a diagram is given to show the flow of events that surrounds the use case.

11 Notes

There is always some piece of information that is required that has no other place to go. This is the place for that information.

12 Resources

In order to support the capabilities described in this Use Case, a set of resources must be available and/or configured. These resources include data and services, and the systems that offer them. This section will call out examples of these resources.


Resource Owner Description Availability Source System
name Organization that owns/ manages resource Short description of the resource How often the resource is available Name of system which provides resource