[GeoNode-devel] [GeoNode-users] GeoNode - PyCSW integration issues

[Cor Melse]

Dear Alessio,

One should never use the Dublin Core output from a CSW, but instead use the
OGC- CWS ISO19139 output!
There the right information for geo datasets (services) is provided.

Following the notes by Stephen Richard is therefore the only right thing to
do.

as an alternative for pyCSW Geonetwork is also a great tool to use (and OSS)

Cheers, Cor

2017-07-26 11:10 GMT+02:00 Alessio Fabiani <alessio.fabiani at geo-solutions.it
>:

> Dear all,
> I want to highlight some important issues about the current integration
> between GeoNode and PyCSW.
>
> Other than a non-trivial security issue (basically the CSW exposes
> metadata for all Layers no matter if they are accessible or not by the
> user), one more, I would say, big issue is that currently is not possible
> to recognize the Layer "real name" from the metadata documents.
>
> Let me provide an example. Here below a snippet of a DublinCore XML
> produced by PyCSW
>
> ...
> <csw:Record>
>     <dc:identifier>941a8d7e-7159-11e7-b283-002215079c40</dc:identifier>
>     <dc:title>san_andres_y_providencia_highway</dc:title>
>     <dc:type>dataset</dc:type>
>     <dc:subject/>
>     ...
>     <dct:references scheme="WWW:DOWNLOAD-1.0-http--download">
> http://localhost:8080/geoserver/wms?request=GetLegendGraphic&format=
> image/png&WIDTH=20&HEIGHT=20&LAYER=geonode:
> san_andres_y_providencia_highway&legend_options=fontAntiAliasing:true;
> fontSize:12;forceLabels:on</dct:references>
>     <dct:references scheme="OGC:WMS">http://localhost:8080/geoserver/
> geonode/wms</dct:references>
>     <dct:references scheme="OGC:WFS">http://localhost:8080/geoserver/
> geonode/wfs</dct:references>
> ...
>
> (full XML here https://pastebin.com/Wu0vm79B)
>
> Seems to be good right? *Wrong!* There some important things missing here:
>
> 1. It is not possible to recognize the layer name at all; The element
> "title" is mapped to the resource title, meaning that whenever I change it
> on the metadata into a human readable fashion, I lose the layer name forever
>
> 2. Layer qualified name is missing; if the name had a namespace, like on
> GeoServer, it is not possible to know which is at all
>
> 3. WMS and WFS links cannot be used at all, since the layer name cannot be
> retrieved anywhere
>
> *Proposal*
>
> Following the notes written by Stephen Richard here https://github.
> com/geopython/pycsw/wiki/Geonode-notes
>
> the proposal here would be to add more references
>
> OGC:WMS-1.1.1-http-get-capabilities
> OGC:WMS-1.3.0-http-get-capabilities
> OGC:WMS-1.1.1-http-get-map
> OGC:WMS-1.3.0-http-get-map
> OGC:WMS-1.1.1-http-get-featureinfo
> OGC:WMS-1.3.0-http-get-featureinfo
>
> OGC:WFS-1.0.0-http-get-capabilities
> OGC:WFS-1.0.0-http-describe-feature
> OGC:WFS-1.0.0-http-get-feature
>
> OGC:WCS-1.1.0-http-get-capabilities
> OGC:WCS-1.1.0-http-describe-coverage
> OGC:WCS-1.1.0-http-get-coverage
> ...
>
> in order to let CSW being able to send correct links to the clients.
>
> If there are no objections, I will create a PR accordingly related to the
> following ISSUE
>
> https://github.com/GeoNode/geonode/issues/2720#issuecomment-262829872
>
> Please comment on this.
>
>
> Regards,
>
> Alessio Fabiani
>
> ==
> GeoServer Professional Services from the experts! Visit
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> ==
>
> Ing. Alessio Fabiani
>
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>
>
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