On 4/4/17 9:54 AM, Iker Esnaola wrote:
>
> Hello,
>
>
>
> I am trying to update my Graph by means of the SPARQL endpoint and the
> following query:
>
>
>
> DELETE {?s rdf:type "A "}
> INSERT {?s rdf:type "B" }
> from <myGRAPH>
> WHERE { ?s rdf:type "A"}
>
>
>
> I am getting the following error: Virtuoso 42000 Error SR186:SECURITY:
> No permission to execute procedure
> DB.DBA.SPARQL_MODIFY_BY_DICT_CONTENTS with user ID 107, group ID 107
>
>
>
> After giving SPARQL_UPDATE permissions to the “SPARQL” user, there is
> no such a problem and I am able to perform the query.
>
>
>
> However, my SPARQL endpoint is public so this is not a good practice.
>
>
>
> I have been looking for information in this matter but I didn’t find
> anything decisive. Is there any possibility of login in the SPARQL
> endpoint? I am thinking of some way of enabling certain users to
> update the content (e.g. administrators) while leaving the rest of the
> users with only query permissions.
>
>
>
> Thanks in advance,
>To cut a long story short, you will need attrtibute-based acls (ABAC) which are part of the commercial edition of Virtuoso [1]. If you don't want to exploit that degree of sophistication you can try role-based acls (RBAC) via our Graph Security feature. [1] https://medium.com/virtuoso-blog/web-logic-sentences-and-the-magic-of-being-you-e2a719d01f73 -- End to End Example re. Attributed-based access control [2] https://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRDFGraphsSecurity -- Role-based Graph Security -- Regards, Kingsley Idehen Founder & CEO OpenLink Software (Home Page: http://www.openlinksw.com) Weblogs (Blogs): Legacy Blog: http://www.openlinksw.com/blog/~kidehen/ Blogspot Blog: http://kidehen.blogspot.com Medium Blog: https://medium.com/@kidehen Profile Pages: Pinterest: https://www.pinterest.com/kidehen/ Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen Twitter: https://twitter.com/kidehen Google+: https://plus.google.com/+KingsleyIdehen/about LinkedIn: http://www.linkedin.com/in/kidehen Web Identities (WebID): Personal: http://kingsley.idehen.net/dataspace/person/kidehen#this : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
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