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mdesalvo / RDFSharp

Lightweight and friendly .NET library for realizing Semantic Web applications
Apache License 2.0
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auhentication/authorization #263

Closed vadimasg closed 2 years ago

vadimasg commented 2 years ago

Does the package support auhentication/authorization for endpoints?

mdesalvo commented 2 years ago

Hi, the library does not handle these scenarios: SPARQL queries are just sent to the endpoints, which are supposed to be freely accessible (e.g.: dbpedia, ...). Did you mean you would expect at least basic authentication scenarios to be fullfilled? (e.g: I would need ability to pass custom headers to the SPARQL request, in order to be authorized through the bearer token I provided).

Regards, Marco

vadimasg commented 2 years ago

Hi, Yes, we need basic authentication through custom header on our GraphDB endpoint (token or user/password). Thank you for a quick response!

Regards, Vadimas

mdesalvo commented 2 years ago

Hi Vadimas, I committed a change to address the need for specifying an Authorization header with "Basic XXX" or "Bearer XXX" values to be sent within the request to SPARQL/SPARQL Update endpoints.

I kindly ask you to compile master branch of the library and tell me if this works for your needs on GraphDB. You have to call one of the 2 new methods SetBasicAuthorizationHeader or SetBearerAuthorizationHeader on your RDFSPARQLEndpoint instance before applying the SPARQL query.

I'm not sure about the most common or proper way of encoding the header secret, so I assume it's up to the application's responsibility to provide a value which has already been encoded (ISO-8859-1, UTF8, ...)

Regards, Marco

vadimasg commented 2 years ago

Thank you Marco, I'll give it a try and definitely let you know!

Regards, Vadimas

mdesalvo commented 2 years ago

Hi Vadimas, were you able to verify the feature? Did GraphDB accept the SPARQL query when sent with the new Authorization header?

Regards, Marco

vadimasg commented 2 years ago

Hi Marco,

Yes, SetBasicAuthorizationHeader works perfectly well, thank you! Will investigate your package further.

Thank you, Vadimas

On Sat, Jun 25, 2022 at 7:46 AM Marco De Salvo @.***> wrote:

Hi Vadimas, were you able to verify the feature? Did OntoGraph accept the SPARQL query when sent with the new Authorization header?

Regards, Marco

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mdesalvo commented 2 years ago

Glad to hear this. I'll publish the version containing this feature in August. In the meanwhile feel free to contact me for any doubts or issues.

Regards, Marco