Enhance SPARQLModelWriter with HTTP Authentication Capabilities

[kvndrsslr]

Explore options to add authentication to the writer, as writing operations will usually not be publicly available to any user.

Resources

• Useful code to configure authentication in the server for the test case
  • Use fusekiServer.getJettyServer() to get the underlying Jetty Server in the unit test
• How to set up authentication in Jena

[kvndrsslr]

• only one endpoint
• SHACL
• username / pw from file