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https://issues.apache.org/jira/browse/SOLR-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898000#comment-13898000
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Uwe Schindler commented on SOLR-5234:
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This might be a possibility, but {{/etc/passwd}} is also a text file :-) ! We
have to differentiate here between the two factors: "who" calls openResource
for "what". If "who" is *not* coming from the network (e.g. it' triggered by a
filename received via REST API), it is fine to load text files. But not if a
velocity template tries to load {{/etc/passwd}} and send it to the client or if
a input file xincludes some content.
Also the "what" should be restricted: Don't load XML files (unless you disable
xinclude and external entities in XML) or other active contents from anywhere.
> Allow SolrResourceLoader to load resources from URLs
> ----------------------------------------------------
>
> Key: SOLR-5234
> URL: https://issues.apache.org/jira/browse/SOLR-5234
> Project: Solr
> Issue Type: Improvement
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Minor
> Attachments: SOLR-5234.patch, SOLR-5234.patch
>
>
> This would allow multiple solr instance to share large configuration files.
> It would also help resolve problems caused by attempting to store >1Mb files
> in zookeeper.
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