How to access mailbox metadata in Lua push driver

[Ralf Becker]

Thanks Aki, I'll check it out :)


Am 03.08.20 um 11:40 schrieb Aki Tuomi:
>> On 03/08/2020 12:31 Ralf Becker <rb at egroupware.org> wrote:
>>
>>  
>> We're currently using the OX push driver, which is straight forward
>> (simple web hook) and allows to store (multiple) push tokens of our
>> webmailer direct in mailbox metadata.
>>
>> Only drawback is that it only supports new arriving mails in the INBOX,
>> even mails moved via Sieve to other folders are NOT reported.
>>
>> Therefore we updated now to Dovecot 2.3(.10.1) to also get mails moved
>> by user or Sieve scripts, deleted mails or flag changes.
>>
>> As far as I read the example Lua scripts and (a little) the Dovecot C
>> code, the nice indirection of using mailbox metadata to a) enable push
>> and b) store push tokens (modify reported user attribute with them) does
>> NOT exist in the Lua driver by default.
>>
>> So my questions is: how can I access mailbox metadata from within the
>> Lua script, to make eg. the example script behave like the OX driver
>> with user_from_metadata set?
>>
>> I'm happy to update the Lua examples, if that's any help ...
>>
>> Ralf
>>
>> -- 
>> Ralf Becker
>> EGroupware GmbH [www.egroupware.org]
>> Handelsregister HRB Kaiserslautern 3587
>> Geschäftsführer Birgit und Ralf Becker
>> Leibnizstr. 17, 67663 Kaiserslautern, Germany
>> Telefon +49 631 31657-0
> Actually it does exist:
>
> https://doc.dovecot.org/admin_manual/lua/#mail_user.metadata_get
>
> or
>
> https://doc.dovecot.org/admin_manual/lua/#object-mailbox
>
> mailbox:metadata_get()
>
> You get both of these objects from the push notification data, you just have to keep them in the context state. (See the example scripts)
>
> function dovecot_lua_notify_begin_txn(user)
>    local meta = user:metadata_get("/private/key")
>    return {messages={}, ep=user:plugin_getenv("push_lua_url"), username=user.username, meta=meta}
> end
>
> Aki

-- 
Ralf Becker
EGroupware GmbH [www.egroupware.org]
Handelsregister HRB Kaiserslautern 3587
Geschäftsführer Birgit und Ralf Becker
Leibnizstr. 17, 67663 Kaiserslautern, Germany
Telefon +49 631 31657-0


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