On Jun 20, 2011, at 2:40 PM, Nate Coraor wrote:

> Shantanu Pavgi wrote:
>> Hi,
>> We have a galaxy server setup using external shibboleth authentication. 
>> While we would like to have site behind authentication realm, there are 
>> instances when our galaxy datasets/histories need to be accessible publicly 
>> from other websites. We tried adding an exception to auth rule for /datasets 
>>  path using Location directive in apache web server configuration, however 
>> galaxy server returned an error as:
>> {{{
>> Access to Galaxy is denied
>> Galaxy is configured to authenticate users via an external method (such as 
>> HTTP authentication in Apache), but a username was not provided by the 
>> upstream (proxy) server. This is generally due to a misconfiguration in the 
>> upstream server.
>> }}}
>> Is there any way to share public histories and datasets when galaxy is using 
>> external authentication mechanism? I have thought about setting up (fake) 
>> anonymous REMOTE_USER variable for /datasets path, but  not sure whether 
>> this is correct approach. Also, would it require any galaxy code changes? 
>> Any thoughts? 
> Hi Shantanu,
> That's about all you can do, or modify
> lib/galaxy/web/framework/middleware/remoteuser.py to let these
> connections through.  I would suggest the former solution of setting a
> header in Apache, but only set it if the user is not authenticated.
> --nate

Thanks for the reply Nate. That's helpful. 


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