Hello Benoit
It's probably worth to look a the thunderbird_labels plugin for Roundcube [1]. It uses IMAP flags to store custom labels. Custom flags need to be supported by the IMAP server with the PERMANENTFLAGS capability. You can check this with the following command from within a plugin:
$this->rc->storage->check_permflag('Junk') || $RCMAIL->storage->check_permflag('*');
Then setting and unsetting those flags should be possible.
In order to check a certain flag, you have to test it in the message object and not the IMAP storage instance in Roundcube. Do this in one of the message hooks like message_load [2] or messages_list [3]:
if (!empty($message->headers->flags['Junk']))
I hope this helps you to proceed.
Best, Thomas
[1] https://github.com/mike-kfed/rcmail-thunderbird-labels [2] https://github.com/roundcube/roundcubemail/wiki/Plugin-Hooks#message_load [3] https://github.com/roundcube/roundcubemail/wiki/Plugin-Hooks#messages_list
On Fri, Aug 11, 2017 at 4:00 PM, Benoit Panizzon benoit.panizzon@imp.ch wrote:
Well, I'm giving up.
After consulting the PHP online manual on IMAP Flags and only finding functions to set and clear flags, but not to query then.
And then after further research, stumbling over this article:
https://stackoverflow.com/questions/32851152/how-to-read-apple-mail-custom-i...
Stating:
"Actually you are not able to do so using standard imap extension as it is impossible to fetch custom flags using it."
I suppose custom flags support has not been built into roundcube. If it is I would be glad if someone could correct me.
Therefore I wonder, why plugins linke report_junk set the 'JUNK' flag if there is no way to query this flag from within roundcube.
-Benoît Panizzon-
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