Alexander Shorin created COUCHDB-1840:
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Summary: Better check for public_field value
Key: COUCHDB-1840
URL: https://issues.apache.org/jira/browse/COUCHDB-1840
Project: CouchDB
Issue Type: Improvement
Reporter: Alexander Shorin
It's possible to run into issue COUCHDB-1838 and enable `public_fields` feature
without actually specifying any public fields:
{code}
[couch_httpd_auth]
public_field = ,
{code}
Because of [split
code|https://git-wip-us.apache.org/repos/asf?p=couchdb.git;a=blob;f=src/couchdb/couch_users_db.erl;h=9b875ba56d02d398049bb828015a37d219bcf6fd;hb=8d7ab8b18dd20f8785e69f4420c6f93a2edbfa60#l118]:
{code}
strip_non_public_fields(#doc{body={Props}}=Doc) ->
Public = re:split(couch_config:get("couch_httpd_auth", "public_fields", ""),
"\\s*,\\s*", [{return, binary}]),
Doc#doc{body={[{K, V} || {K, V} <- Props, lists:member(K, Public)]}}.
{code}
The parameter's value as comma (`,`) will produce empty Public list. Probably,
it's better to check him for any members and/or strip all empty string members
before counting `public_fields` parameter activated.
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