mahara-contributors team mailing list archive

[Aaron Wells <1599241@xxxxxxxxxxxxxxxxxx>]

Hi Stephane,

For what it's worth, reCaptcha did little to stop our spam problem at
mahara.org. See Bug 1252098.

That said, I suppose adding it for public comments couldn't hurt. Mahara
an API for adding captcha's to forms. You just add a "captcha" pieform
element to it.

Unfortunately, I tried it just now, and adding this to the comment form
didn't entirely work. It displays the reCAPTCHA okay the first time you
load the page, but not after you submit a comment (successfully or not).
I suspect this is because we're reloading the comments section via Ajax,
and my recaptcha implementation wasn't clever enough to handle that.

If anyone wants to give it a try, the starting point is this:

diff --git htdocs/artefact/comment/lib.php htdocs/artefact/comment/lib.php
index d9d2ce1..846886b 100644
--- htdocs/artefact/comment/lib.php
+++ htdocs/artefact/comment/lib.php
@@ -931,6 +931,7 @@ class ArtefactTypeComment extends ArtefactType {
                     'required' => true,
                 ),
             );
+            $form['elements']['captcha'] = array('type' => 'captcha');
         }
         $form['elements']['message'] = array(
             'type'  => 'wysiwyg',

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https://bugs.launchpad.net/bugs/1599241

Title:
  recaptcha for anonymous comments on public pages

Status in Mahara:
  Confirmed

Bug description:
  While it was imperative to give public a voice if desired on selected
  public page, the fact that comments are anonymous let spammers do
  their unwanted actions.

  It was added in https://bugs.launchpad.net/mahara/+bug/547384 the
  necessity to set a recaptcha feature in implementing public comment. I
  has not been done.

  Hence the request :

  If public comment is allowed on a page and the visitor is not
  authenticated, there should be a recaptcha feature to limit spam.

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