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Update File Upload Notification

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- Add a method of indicating a cancelled file upload
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PapaTutuWawa 2022-06-05 21:15:56 +02:00
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xep-xxxx-file-upload-notification.md
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@ -74,6 +74,22 @@ or [Stateless File Sharing](https://xmpp.org/extensions/xep-0447.html) which all
a thumbnail, then the client should do here as well to allow clients catching up using a thumbnail, then the client should do here as well to allow clients catching up using
[Message Archive Management](https://xmpp.org/extensions/xep-0313.html) to also provide a thumbnail to their users. [Message Archive Management](https://xmpp.org/extensions/xep-0313.html) to also provide a thumbnail to their users.
## Cancelled Upload
If the uploading entity has cancelled the upload, then it should indicate so to the other communicating entities.
```xml
<message from="some.user@some.server/abc123" to="someone.else@other.server" id="bbbbb">
<cancelled xmlns="proto:urn:xmpp:fun:0" />
<replaces xmlns="proto:urn:xmpp:fun:0" id="ccccc" />
<origin-id xmlns="urn:xmpp:sid:0" id="ddddd" />
</message>
```
In this example, the uploading entity just sends a message containing a `<cancelled />` tag to indicate the
cancellation, allowing receiving clients to perhaps stop showing loading spinners and the like. The
`<replaces />` is used to indicate what original message this cancellation applies to.
## Security Considerations ## Security Considerations
A client receiveing a message with an `<replaces />` element must verify if the message it A client receiveing a message with an `<replaces />` element must verify if the message it