[ckan-dev] Dataproxy and Apache basic authentication

Fri Oct 25 02:57:01 UTC 2013

Hello Milica,

is the URL of your CKAN instance publicly visible? I understand that the
dataproxy is a remote service and needs to access your URL without
authentication. This may fail on your organization's proxy or firewall
settings not letting dataproxy access your server, or your CKAN instance
being served on a local address which is not exposed publicly.

Cheers,
Florian

On Thu, Oct 24, 2013 at 10:41 PM, Milica Knezevic <knezevic.milica at gmail.com
> wrote:

> My CKAN instance is installed on a server with apache basic authentication
> set.
> These instructions
> http://web.archiveorange.com/archive/v/GsJ2s63DY2BPvrQ7y6Ad were very
> helpful. Filestore is set up with local file storage.
> While preview for other xml, pdf, jpg, ... files works, xls files cannot
> be previewed (error message - Could not load preview: DataProxy returned an
> error (Data transformation failed. HTTPError: HTTP Error 401:
> Unauthorized)). When I remove apache authentication, preview works fine. Is
> there a way to allow Dataproxy to pass the authentication?
>
> I've tried to use Datastore and Datastorer extensions in order to avoid
> problems with Dataproxy, but these issues appeared when i tried perform
> datastore_upload on a dataset containing xls resources:
>  URL unobtainable: Server returned HTTP 401
> Traceback (most recent call last):
>   File
> "/usr/lib/ckan/default/src/ckanext-datastorer/ckanext/datastorer/commands.py",
> line 263, in push_to_datastore
>     check_modified=check_hash)
>   File
> "/usr/lib/ckan/default/src/ckanext-datastorer/ckanext/datastorer/fetch_resource.py",
> line 85, in download
>     headers = json.loads(link_checker(link_context, link_data))
>   File
> "/usr/lib/ckan/default/src/ckanext-datastorer/ckanext/datastorer/fetch_resource.py",
> line 297, in link_checker
>     raise LinkHeadRequestError(error_message)
> LinkHeadRequestError: URL unobtainable: Server returned HTTP 401
>
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