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From "Quentin Raynaud (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1722) Add a way to get the document size in validate_doc_update
Date Sat, 23 Mar 2013 22:27:15 GMT
Quentin Raynaud created COUCHDB-1722:
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             Summary: 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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