68 lines
2.6 KiB
Markdown
68 lines
2.6 KiB
Markdown
# UnifiedPush over XMPP
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[](https://ci.sum7.eu/genofire/unified-push-xmpp)
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[](https://goreportcard.com/report/dev.sum7.eu/genofire/unified-push-xmpp)
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[](https://pkg.go.dev/dev.sum7.eu/genofire/unified-push-xmpp)
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[UnifiedPush](https://unifiedpush.org/) is an specification how push notifications delieveries between application server and application.
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This is an implementation of the UnifiedPush specifications to delievere push notification over XMPP.
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In this project has following components:
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- **Gateway** (also called an Push Provider or [Server](https://unifiedpush.org/spec/server/)) which could be registered as an XMPP Component on an Server
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- **Distributor** for Linux using the [D-Bus Specification](https://unifiedpush.org/spec/dbus/) which implement an very small XMPP-Client to receive the push notifications
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## XMPP Messages
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### Register
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Request for Register
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```xml
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<iq from="push-distributer@example.org/device" to="up.chat.sum7.eu" type="set" id="register-id">
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<register xmlns='unifiedpush.org'>
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<token>pubic-token</token>
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</register>
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</iq>
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```
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**Responses**
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on success:
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```xml
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<iq from="push-distributer@example.org/device" to="up.chat.sum7.eu" type="result" id="register-id">
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<register xmlns='unifiedpush.org'>
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<endpoint>https://an-endpoint-for-application-server.localhost/UP?token=endpoint-token</endpoint>
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</register>
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</iq>
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```
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on failure:
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```xml
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<iq from="push-distributer@example.org/device" to="up.chat.sum7.eu" type="error" id="register-id">
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<register xmlns='unifiedpush.org'>
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<error>a reason of failure</error>
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</register>
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</iq>
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```
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### Unregister
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TODO
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### Notification
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For the push notification it-self the origin `<message/>` is used with following Position of Token and Content.
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```xml
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<message from="up.chat.sum7.eu" to="push-distributer@example.org/device" id="message-id">
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<subject>public-token</subject>
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<body>Here is the Notification content</body>
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</message>
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```
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The message sender `from` should be validated from distributor, for not receiving invalid or manipulated push Messages.
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## Wordings
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We are using over the complete system three kind of **tokens**:
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- **Endpoint Token** which is part of the *Endpoint* and is for using between Gateway and Application-Server
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- **Public Token** which is used between Gateway and Distributor
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- **App Token** which is used between Distributor and Application
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