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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