[jira] Updated: (COUCHDB-688) Allow status codes other than 401 and 403 thrown from validate_update_doc function

["Paul Joseph Davis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COUCHDB-688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Joseph Davis updated COUCHDB-688:
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    Skill Level: Regular Contributors Level (Easy to Medium)

> Allow status codes other than 401 and 403 thrown from validate_update_doc function
> ----------------------------------------------------------------------------------
>
>                 Key: COUCHDB-688
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-688
>             Project: CouchDB
>          Issue Type: Improvement
>            Reporter: Isaac Z. Schlueter
>            Priority: Minor
>
> It would be good to be able to send a response other than 401 or 403 from the validate_update_doc function.  Occasionally, a web application built on top of couch may have more subtle semantics than those afforded by these two options.
> For instance, a user may attempt to post a version into a package management registry web-app built on couch.  While "unicorn" is a perfectly understandable json string by couchdb, it's not a parseable or valid semver version.  I'd like in that case to return a 400 "bad request", because the client sent a request body that this resource could not understand.
> Additionally, there may be cases where a "conflict" is somewhat more broadly understood than couch's _rev matching, and a 409 might be appropriate.
> Proposal: Allow validate_update_doc to specify an HTTP error code like so:
>     throw { code : 403, message : "Unauthorized access to foo" }
>     throw { code : 410 } // generic message for this status code
>     etc.
> in addition to the current:
>     throw { unauthorized : "reason" }
>     throw { forbidden : "reason" }

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