[RCD] How to query IMAP Flag from within a plugin?

Hi

We use the (slightly enhanced) report_junk plug-in to feed customer spam reports to our spamfilter learning and blacklisting infrastructure. Reports from customer do also get processed to an automated ARF message being sent to the abuse contact of the sender ISP.

If a customer reports an email as spam, the appropriate JUNK imap flag is set.

$rcmail->imap->unset_flag($uids, 'NONJUNK');
$rcmail->imap->set_flag($uids, 'JUNK');

Now unfortunately these flags are not being checked before a customer hits 'report as spam', thus allowing a customer to report the same email multiple times.

While multiple customers sending emails about the same spam source resulting in multiple complaints to the ISP of the sender is desired and hopefully helps the ISP to decide if his customer is sending spam, it is not desired, that a customer does report the same email again and again.

So what is the way to check for presence of an IMAP flag within a rc plugin to do something like:

if ($rcmail->imap->flag['JUNK']) { display popup: "You have already reported this email"; }

And is there also an easy way to check the reception date of an email to prevent customers from reporting 'old' spam mails?

-Benoît Panizzon-

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