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https://issues.apache.org/jira/browse/SOLR-7576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14564284#comment-14564284
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Noble Paul commented on SOLR-7576:
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I have missed SOLR-5005
I'm mostly done with this. Planning to commit it soon
Do you think anything is missing in this patch you wish to include.
The objective is not exactly to make just a JS handler. The idea is to provide
a comprehensive API set which the functional nature of Javascript can leverage
on
It also should have the security mechanisms which loading executable code to
Solr must adhere to. I'll add security to this before committing
> Implement RequestHandler in Javascript
> --------------------------------------
>
> Key: SOLR-7576
> URL: https://issues.apache.org/jira/browse/SOLR-7576
> Project: Solr
> Issue Type: New Feature
> Reporter: Noble Paul
> Attachments: SOLR-7576.patch
>
>
> Solr now support dynamic loading (SOLR-7073) of components and it is secured
> in SOLR-7126
> We can extend the same functionality with JS as well
> example of creating a RequestHandler
> {code:javascript}
> curl http://localhost:8983/solr/collection1/config -H
> 'Content-type:application/json' -d '{
> "create-requesthandler" : {"name": "jshandler" ,
> "class":"solr.JSRequestHandler,
> "defaults": {
> "js": "myreqhandlerjs", //this is the name of the blob in .system collection
> "version":"3",
> "sig":"mW1Gwtz2QazjfVdrLFHfbGwcr8xzFYgUOLu68LHqWRDvLG0uLcy1McQ+AzVmeZFBf1yLPDEHBWJb5KXr8bdbHN/PYgUB1nsr9pk4EFyD9KfJ8TqeH/ijQ9waa/vjqyiKEI9U550EtSzruLVZ32wJ7smvV0fj2YYhrUaaPzOn9g0="
> }
> }
> }'
> {code}
> To make this work
> * Solr should be started with {{-Denable.runtime.lib=true}}
> * The javascript must be loaded to the {{.system}} collection using the blob
> store API
> * Configure the requesthandler with the JS blob name and version
> * Sign the javascript and configure the signature if security is enabled
> The {{JSRequestHandler}} is implicitly defined and it can be accessed by
> hitting {{/js/<jsname>/<version>}}
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