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Define WebPushSubscription2022 type for Solid Notifications #64

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May 19, 2022
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1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -2,3 +2,4 @@ node_modules
*.mmd.svg

streaming-http-subscription-2021.html
webpush-subscription-2022.html
36 changes: 36 additions & 0 deletions webpush-subscription-2022-flow.mmd
Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
sequenceDiagram
autonumber
participant Subscribing PWA as Subscriber
participant Browser Messaging Service
participant Storage Metadata
participant Subscription Service
participant Authorization Server


Note over Subscribing PWA, Subscription Service: Discovery
Subscribing PWA ->>+ Storage Metadata: GET
Storage Metadata -->>- Subscribing PWA: 200 OK with Storage Metadata Representation
Subscribing PWA ->>+ Subscription Service: GET
Subscription Service -->>- Subscribing PWA: 200 OK with Subscription Service Representation

Note over Subscribing PWA, Authorization Server: Establish Subscription
Subscribing PWA ->>+ Browser Messaging Service: Subscribe to Web Push Service
Browser Messaging Service -->>- Subscribing PWA: Web Push Subscription data

Subscribing PWA ->>+ Subscription Service: Submit subscription to discovered subscription endpoint via POST
Subscription Service ->>+ Authorization Server: Verify authorization
Authorization Server -->>- Subscription Service: capabilities
Subscription Service -->>- Subscribing PWA: 201 CREATED

Note over Subscribing PWA, Authorization Server: Deliver Notifications for Subscription
loop for each notification
Subscription Service ->>+ Authorization Server: Verify authorization
Authorization Server -->>- Subscription Service: capabilities
Subscription Service -) Browser Messaging Service: Deliver notification
Browser Messaging Service -) Subscribing PWA: Deliver notification
end

Note over Subscribing PWA, Authorization Server: Cancel Subscription
Subscribing PWA ->>+ Browser Messaging Service: Unsubscribe (delete subscription)
Subscribing PWA ->>+ Subscription Service: Unsubscribe (delete subscription)
Subscription Service -->>- Subscribing PWA: 204 No Content
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