lambda/xmpp-retractions.go

package main

import (
	"encoding/xml"
	"gosrc.io/xmpp/stanza"
)

// Implementation of XEP-0424: Message Retraction as well as XEP-0425: Moderated Message Retraction

type Retraction struct {
	stanza.MsgExtension
	XMLName   xml.Name  `xml:"urn:xmpp:message-retract:1 retract"`
	ID        string    `xml:"id,attr"` // Stanza ID is used in group chats.
	Reason    string    `xml:"reason"`
	Moderated Moderated `xml:"urn:xmpp:message-moderate:1 moderated"`
}

type Moderated struct {
	XMLName    xml.Name `xml:"urn:xmpp:message-moderate:1 moderated"`
	By         string   `xml:"by,attr"`
	OccupantID OccupantID
}

// To whoever thought putting the same element twice in the same message, but in different parents, and not specifying this behaviour anywhere in the XEP was a good idea, I want to kill you. Seriously, I do. If I see you walking home at night I will kill you. Brutally. Slowly. I will relish in the act. I will do it.

func init() {
	stanza.TypeRegistry.MapExtension(stanza.PKTMessage, xml.Name{Space: "urn:xmpp:message-retract:1", Local: "retract"}, Retraction{})
}