This plugin implements the Jingle A/V Conferences specification. The plugin is small as
it's mostly (only so far) about specifying/retrieving <origin> element, and disco info;
the rest is handled by other Jingle plugins.
- Implement `presence` access model for PEP nodes.
- Add PEP auto-subscription (`+notify` handling)
- New `get_pep_last_items` storage method to retrieve in a single query items to send to
auto-subscribers.
- Online resource tracking.
This completes the PEP support.
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New implementations of XEP-0355 and XEP-0356 are integrated to handle PEP. The
implementation is not complete yet, as auto-subscribe and presence permissions are not
implemented yet.
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A new `max_items` field has been added to `PubsubNode`. `0` means `max`. If any >0 value
is used, items will be automatically deleted by `cache_pubsub_items`. Items are currently
discarded (i.e. no notification is sent), this is the same behaviour as in legacy Libervia
Pubsub (formerly "SàT Pubsub").
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- Added `on_extended_disco()` handler.
- Added `with_parent=True` to all `get_pubsub_node()` calls to prevent lazy load errors in
access checks.
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Registered XEP-0499 handler in `profile_connecting()` and added it to
plugin dependencies.
Pubsub relationships from XEP-0496 are now handled. They can be set in config as explained
in the specification, and access are checked with parents when they are set.
Deletion cascade as specified in the XEP.
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- `retract`, `purge` and `delete` are now implemented
- `features` list has been added
- `publish` now returns the Item ID when it is generated
- `subscribers` publish model is handled.
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