[wp-trac] [WordPress Trac] #17159: Return meaningful HTTP response for comment submitted with no POST body

[WordPress Trac]

#17159: Return meaningful HTTP response for comment submitted with no POST body
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 Reporter:  niallkennedy  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Comments      |    Version:
 Severity:  normal        |   Keywords:  has-patch
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 A POST request to wp-comments-post.php currently returns a HTTP 200
 response with an empty body if the body of the request was empty.

 The server should die quickly and instruct the requesting agent not to
 repeat the request without modifications if minimum necessary key(s) are
 not present on $_POST.

 I believe the possible creation of a comment requires at least a
 comment_post_ID. It's also the first $_POST key checked in the script. If
 the POST did not supply a comment_post_ID let's stop processing and
 provide a meaningful response. HTTP 400 Bad Request communicating the
 failure. Due to the spammy nature of the requestors we may or may not want
 to provide variable hints in the response.

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Ticket URL: <http://core.trac.wordpress.org/ticket/17159>
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