Kingsley, David
thanks for your help.
I must say that after CORs was enabled, I effectively can issue requests -
after a 'manual login' - using a browser. It takes care of the WebID
protocol.
I'd like in future to learn about the login phase... but there are more
compelling questions I must solve before.
Best regards, Carlo
2017-07-12 0:32 GMT+02:00 Davis, Daniel (NIH/NLM) [C] <daniel.da...@nih.gov>
:
> Carlo,
>
>
>
> Are you running in a browser or with nodejs? There are some minor
> differences.
>
>
>
> Here’s a tutorial for running in a browser:
>
> http://www.peej.co.uk/articles/http-auth-with-html-forms.html
>
>
>
>
>
> When you use jquery, you still need to use xhr methods:
>
> https://stackoverflow.com/questions/5507234/how-to-use-
> basic-auth-with-jquery-and-ajax
>
> This means that if you are using MD5, you will need JavaScript to do that.
>
>
>
> I’m not a front-end engineer (but a full-stack engineer), but I think
> libraries like underscore and lodash also wrap AJAX, and that term “AJAX”
> is the key thing you need to tell Google/Stackoverflow to get a good answer.
>
>
>
> If you are using nodejs, then the basic http library should have almost
> everything you need.
>
>
>
> Hope this helps,
>
>
>
> -Dan
>
>
>
> *From:* Kingsley Idehen [mailto:kide...@openlinksw.com]
> *Sent:* Thursday, July 06, 2017 2:35 PM
> *To:* virtuoso-users@lists.sourceforge.net
> *Subject:* Re: [Virtuoso-users] client javascript
>
>
>
> On 7/6/17 1:31 PM, Carlo Capelli wrote:
>
> Hi Kingsley
>
>
> Thanks for your answer, sorry for the late reply...
>
> From the (verbose and very sparse!) information I've collected so far,
> seems I have to send my credentials to perform basic authentication with
> the server.
>
>
> So, inspecting - with help from the browser developer tools - the default
> interface protocol (the HTTP form with the fields
> httpd_password,httpd_username, presented upfront the URL request, let's say
> https://www.example.com/sparql),
> I've managed to issue a correct call - using php curl, where I can trust
> better the transmission.
>
> Alas, the return payload value is encrypted... still more problems, and
> low level details to 'guess'...
>
> This seems way too complicated for such a simple use case.
> I wonder what could be the reason to keep the details of the client so
> difficult to find.
> Isn't authenticated access via HTTPS almost a necessity these days?
>
>
> Hi Carlo,
>
> To cut a long story short, if you want to use TLS to authenticate you need
> to use WebID+TLS+Delegation protocol. You can also use Digest
> Authentication via /sparql-auth endpoint.
>
> The only requirement is CORs enabling the SPARQL endpoint.
>
> [1] https://enable-cors.org/server_virtuoso.html
> [2] http://vos.openlinksw.com/owiki/wiki/VOS/
> VirtTipsAndTricksCORsEnableSPARQLURLs
> [3] http://vos.openlinksw.com/owiki/wiki/VOS/
> VirtTipsAndTricksGuideCORSSetup
>
> Kingsley
>
>
>
> 2017-07-03 15:41 GMT+02:00 Kingsley Idehen <kide...@openlinksw.com>:
>
> On 7/3/17 5:16 AM, Carlo Capelli wrote:
>
> Hi All
>
>
> I had no luck searching for a javascript client with capability to connect
> to a secured endpoint,
>
> and nobody could help me on stackoverflow ( https://stackoverflow.com/q/
> 44871467/874024 ).
>
> Is there some open source code sample I could start from ?
>
> If I will solve this, my plan is to contribute to this client (
> https://www.npmjs.com/package/virtuoso-sparql-client )
>
> Best regards, Carlo
>
>
>
> CORs-enable your endpoint.
>
>
> Now the endpoint is CORS enabled. But it didn't solved my problem.
>
>
> DBpedia's endpoint (a Virtuoso instance) is CORs enabled, thus you should
> verify you work against that.
>
>
>
> Not sure I follow, I'm using a module (virtuoso-sparql-client
> <https://www.npmjs.com/package/virtuoso-sparql-client>) that for sure
> allows to fetch public data from dbpedia...
>
> Best regards, Carlo
>
>
> Kingsley
>
>
>
>
>
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>
>
>
> Kingsley Idehen
>
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>
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>
>
>
> Kingsley Idehen
>
> Founder & CEO
>
> OpenLink Software (Home Page: http://www.openlinksw.com)
>
>
>
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>
> Legacy Blog: http://www.openlinksw.com/blog/~kidehen/
>
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