Using push notifications on the client side
There are just a few things the XMPP client application needs to receive the push notifications. Depending on whether you plan to use PubSub-full or PubSub-less configuration, some of the steps may be unnecessary.
Registering with a Push Service provider
First, the client application has to get a device-specific token from the Push Service Provider (FCM or APNS). This process is different, depending on the platform, so please consult your Push Service Provider's manual to see how to get this token. For example, here you can learn about setting up FCM on Android platform and here you can learn about setting up APNS on iOS platform.
After this step, your application shall be able to receive FCM or APNS token - it will be required in the next step of this tutorial.
Setting up an XMPP
This step is specific to the PubSub-full push configuration that you chose for your MongooseIM server. If you're running a PubSub-less configuration, skip to this point.
Creating a new push node
In this example
mypubsub.com is a domain of the MongooseIM server that has mod_pubsub enabled
push node support. The client sends the following stanza to the server:
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pubsub.mypubsub.com will be used as a gateway for all notifications
and will pass them through to the APNS and/or FCM.
The most important and only difference from the standard node creation
type='push' part of the
According to XEP-0357: Push Notifications, a PubSub node is
required to route the push notification mechanism. This implies you need a node that will handle
your push notifications, hence we create a node called
This node should be unique to the device and you may reuse nodes already created this way.
The token obtained from APNS or FCM is a good option to ensure this uniqueness,
by either using it directly or within some custom node name generation.
It is also important from the security perspective to configure the node with:
whitelistso only affiliated users can access the node.
publishersso only users with
publisher_onlyrole can publish notifications.
Adding the server's JID to allowed publishers
Push notifications to the push node are addressed from your server's JID.
If the push node was configured with the above recommended options, you need to allow your server's
JID to publish notifications to that node.
Considering your JID is
email@example.com, your server's JID is just
The following stanza sent to the just created push node will allow your server JID to publish notifications:
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Enabling push notifications
The next and the last step is to enable push notifications on the server that handles your messages
(and has mod_event_pusher_push enabled).
Let's assume this server is available under the domain
To enable push notifications in the simplest configuration, just send the following stanza:
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We have now enabled push notifications to be send to the
on the node
punsub_node_for_my_private_iphone created previously, or in the case of PubSub-less,
for whatever unique node name we give here, for example any variation of the token obtained from
APNS or FCM. Please note that
publish-options are specific to various XMPP Push Services.
For mod_push_service_mongoosepush the next
publish-options are mandatory:
device_id- device token (here:
your_pns_device_token) that you received from your push notification service provider (as described in Registering with Push Service provider)
service- push notification service provider name (
there are also some other
mode- which may be either
prod). Decides which connection pool type on MongoosePush shall be used. This may be used when APNS on MongoosePush is configured to work with both production and development certificate.
click_action- action to perform when notification is clicked on the device.
activityon Android and
categoryon iOS. Please refer to your platform / push notification service provider for more info.
topic- currently only used with APNS. The value is passed to APNS as
topicheader. For more information please refer to APNS documentation.
silent- if set to
true, all notifications will be "silent". This means that only the data payload will be send to the push notifications provider with no notification. The data payload will contain all notification fields as defined in XEP-0357: Push Notifications.
priority— which may be either
high, and if not given, defaults to
normal. This value will set the push notification priority. Please refer to FCM / APNS documentation for more details on those values.
sound- sound that should be played when a notification arrives. Please refer to FCM/APNS documentation for more details.
mutable_content- only applicable to APNS. If set to
true, sets "mutable-content=1" in the APNS payload.
time_to_live- only applicable to FCM. Maximum lifespan of an FCM notification. Please refer to the FCM documentation for more details.
publish-options are ignored by mod_push_service_mongoosepush
Disabling push notifications
Disabling push notifications is very simple. Just send the following stanza to your XMPP chat server:
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You may skip the
node='punsub_node_for_my_private_iphone' to globally disable push notifications
on all nodes that are registered with your
This may be used to disable push notifications on all your devices.
One picture is worth a thousand words, so here are two diagrams showing the typical communication when using push notifications: