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https://issues.apache.org/jira/browse/COUCHDB-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Newson closed COUCHDB-1722.
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Resolution: Invalid
You can calculate the size of the doc parameter using JSON.stringify(doc).length
> Add a way to get the document size in validate_doc_update
> ---------------------------------------------------------
>
> Key: COUCHDB-1722
> URL: https://issues.apache.org/jira/browse/COUCHDB-1722
> Project: CouchDB
> Issue Type: Improvement
> Reporter: Quentin Raynaud
>
> It would be cool to add a way to know what is the current document size in
> validate_doc_update, maybe by invoking a specific function provided by
> CouchDB like "documentLength(document)" on it. The function could also take a
> boolean as a second argument to include the document's attachments length or
> not in the count.
> That would allow to prevent document creation/update if the document looks
> too big for its indented purpose. I would like such a possibility to defeat
> users that try to flood the database in CouchApps or other applications
> allowing such a direct access to CouchDB.
> I don't like the idea that right now, a smart user that finds an application
> with an API allowing direct access to a CouchDB can easily create some code
> to use your database as as extra hard drive for whatever he wants (at least I
> believe I could do that with some efforts by simply uploading my files to a
> random doc that I have write access to and by adding an index to reference
> them. This can be done by adding a new attribute to the doc if the validation
> is not too strict or by recycling an already existing attribute to such an
> effect or even by uploading the index in a specific file too).
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