mirror of
https://github.com/FluuxIO/go-xmpp.git
synced 2024-12-17 14:02:04 -08:00
Add namespace delegation and priviledged entity example
This commit is contained in:
Mickael Remond
Mickaël Rémond
parent
715bf6976f
commit
9219bf5aa9
5
_examples/delegation/README.md
Normal file
5
_examples/delegation/README.md
Normal file
@ -0,0 +1,5 @@
|
||||
# Advanced component: delegation
|
||||
|
||||
`delegation` is an example of advanced component supporting Namespace Delegation
|
||||
([XEP-0355](https://xmpp.org/extensions/xep-0355.html)) and privileged entity
|
||||
([XEP-356](https://xmpp.org/extensions/xep-0356.html)).
|
||||
227
_examples/delegation/delegation.go
Normal file
227
_examples/delegation/delegation.go
Normal file
@ -0,0 +1,227 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"encoding/xml"
|
||||
"fmt"
|
||||
"log"
|
||||
|
||||
"gosrc.io/xmpp"
|
||||
)
|
||||
|
||||
func main() {
|
||||
opts := xmpp.ComponentOptions{
|
||||
Domain: "service.localhost",
|
||||
Secret: "mypass",
|
||||
Address: "localhost:9999",
|
||||
|
||||
// TODO: Move that part to a component discovery handler
|
||||
Name: "Test Component",
|
||||
Category: "gateway",
|
||||
Type: "service",
|
||||
}
|
||||
|
||||
router := xmpp.NewRouter()
|
||||
router.HandleFunc("message", HandleMessage)
|
||||
router.NewRoute().
|
||||
IQNamespaces(xmpp.NSDiscoInfo).
|
||||
HandlerFunc(func(s xmpp.Sender, p xmpp.Packet) {
|
||||
DiscoInfo(s, p, opts)
|
||||
})
|
||||
router.NewRoute().
|
||||
IQNamespaces("urn:xmpp:delegation:1").
|
||||
HandlerFunc(HandleDelegation)
|
||||
|
||||
component, err := xmpp.NewComponent(opts, router)
|
||||
if err != nil {
|
||||
log.Fatalf("%+v", err)
|
||||
}
|
||||
|
||||
// If you pass the component to a stream manager, it will handle the reconnect policy
|
||||
// for you automatically.
|
||||
// TODO: Post Connect could be a feature of the router or the client. Move it somewhere else.
|
||||
cm := xmpp.NewStreamManager(component, nil)
|
||||
log.Fatal(cm.Run())
|
||||
}
|
||||
|
||||
func HandleMessage(_ xmpp.Sender, p xmpp.Packet) {
|
||||
msg, ok := p.(xmpp.Message)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
var msgProcessed bool
|
||||
for _, ext := range msg.Extensions {
|
||||
delegation, ok := ext.(*xmpp.Delegation)
|
||||
if ok {
|
||||
msgProcessed = true
|
||||
fmt.Printf("Delegation confirmed for namespace %s\n", delegation.Delegated.Namespace)
|
||||
}
|
||||
}
|
||||
// TODO: Decode privilege message
|
||||
// <message to='service.localhost' from='localhost'><privilege xmlns='urn:xmpp:privilege:1'><perm type='outgoing' access='message'/><perm type='get' access='roster'/><perm type='managed_entity' access='presence'/></privilege></message>
|
||||
|
||||
if !msgProcessed {
|
||||
fmt.Printf("Ignored received message, not related to delegation: %v\n", msg)
|
||||
}
|
||||
}
|
||||
|
||||
const (
|
||||
pubsubNode = "urn:xmpp:delegation:1::http://jabber.org/protocol/pubsub"
|
||||
pepNode = "urn:xmpp:delegation:1:bare:http://jabber.org/protocol/pubsub"
|
||||
)
|
||||
|
||||
// TODO: replace xmpp.Sender by ctx xmpp.Context ?
|
||||
// ctx.Stream.Send / SendRaw
|
||||
// ctx.Opts
|
||||
func DiscoInfo(c xmpp.Sender, p xmpp.Packet, opts xmpp.ComponentOptions) {
|
||||
// Type conversion & sanity checks
|
||||
iq, ok := p.(xmpp.IQ)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
info, ok := iq.Payload[0].(*xmpp.DiscoInfo)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
|
||||
iqResp := xmpp.NewIQ("result", iq.To, iq.From, iq.Id, "en")
|
||||
|
||||
switch info.Node {
|
||||
case "":
|
||||
DiscoInfoRoot(&iqResp, opts)
|
||||
case pubsubNode:
|
||||
DiscoInfoPubSub(&iqResp)
|
||||
case pepNode:
|
||||
DiscoInfoPEP(&iqResp)
|
||||
}
|
||||
|
||||
_ = c.Send(iqResp)
|
||||
}
|
||||
|
||||
func DiscoInfoRoot(iqResp *xmpp.IQ, opts xmpp.ComponentOptions) {
|
||||
// Higher level discovery
|
||||
identity := xmpp.Identity{
|
||||
Name: opts.Name,
|
||||
Category: opts.Category,
|
||||
Type: opts.Type,
|
||||
}
|
||||
payload := xmpp.DiscoInfo{
|
||||
XMLName: xml.Name{
|
||||
Space: xmpp.NSDiscoInfo,
|
||||
Local: "query",
|
||||
},
|
||||
Identity: identity,
|
||||
Features: []xmpp.Feature{
|
||||
{Var: xmpp.NSDiscoInfo},
|
||||
{Var: xmpp.NSDiscoItems},
|
||||
{Var: "jabber:iq:version"},
|
||||
{Var: "urn:xmpp:delegation:1"},
|
||||
},
|
||||
}
|
||||
iqResp.AddPayload(&payload)
|
||||
}
|
||||
|
||||
func DiscoInfoPubSub(iqResp *xmpp.IQ) {
|
||||
payload := xmpp.DiscoInfo{
|
||||
XMLName: xml.Name{
|
||||
Space: xmpp.NSDiscoInfo,
|
||||
Local: "query",
|
||||
},
|
||||
Node: pubsubNode,
|
||||
Features: []xmpp.Feature{
|
||||
{Var: "http://jabber.org/protocol/pubsub"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#publish"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#subscribe"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#publish-options"},
|
||||
},
|
||||
}
|
||||
iqResp.AddPayload(&payload)
|
||||
}
|
||||
|
||||
func DiscoInfoPEP(iqResp *xmpp.IQ) {
|
||||
identity := xmpp.Identity{
|
||||
Category: "pubsub",
|
||||
Type: "pep",
|
||||
}
|
||||
payload := xmpp.DiscoInfo{
|
||||
XMLName: xml.Name{
|
||||
Space: xmpp.NSDiscoInfo,
|
||||
Local: "query",
|
||||
},
|
||||
Identity: identity,
|
||||
Node: pepNode,
|
||||
Features: []xmpp.Feature{
|
||||
{Var: "http://jabber.org/protocol/pubsub#access-presence"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#auto-create"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#auto-subscribe"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#config-node"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#create-and-configure"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#create-nodes"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#filtered-notifications"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#persistent-items"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#publish"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#retrieve-items"},
|
||||
{Var: "http://jabber.org/protocol/pubsub#subscribe"},
|
||||
},
|
||||
}
|
||||
iqResp.AddPayload(&payload)
|
||||
}
|
||||
|
||||
func HandleDelegation(s xmpp.Sender, p xmpp.Packet) {
|
||||
// Type conversion & sanity checks
|
||||
iq, ok := p.(xmpp.IQ)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
|
||||
payload1 := iq.Payload[0]
|
||||
delegation, ok := payload1.(*xmpp.Delegation)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
forwardedPacket := delegation.Forwarded.Stanza
|
||||
fmt.Println(forwardedPacket)
|
||||
forwardedIQ, ok := forwardedPacket.(xmpp.IQ)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
payload := forwardedIQ.Payload
|
||||
if len(payload) == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
pubsub, ok := payload[0].(*xmpp.PubSub)
|
||||
if !ok {
|
||||
// We only support pubsub delegation
|
||||
return
|
||||
}
|
||||
|
||||
if pubsub.Publish.XMLName.Local == "publish" {
|
||||
// Prepare pubsub IQ reply
|
||||
iqResp := xmpp.NewIQ("result", forwardedIQ.To, forwardedIQ.From, forwardedIQ.Id, "en")
|
||||
payload := xmpp.PubSub{
|
||||
XMLName: xml.Name{
|
||||
Space: "http://jabber.org/protocol/pubsub",
|
||||
Local: "pubsub",
|
||||
},
|
||||
}
|
||||
iqResp.AddPayload(&payload)
|
||||
// Wrap the reply in delegation 'forward'
|
||||
iqForward := xmpp.NewIQ("result", iq.To, iq.From, iq.Id, "en")
|
||||
delegPayload := xmpp.Delegation{
|
||||
XMLName: xml.Name{
|
||||
Space: "urn:xmpp:delegation:1",
|
||||
Local: "delegation",
|
||||
},
|
||||
Forwarded: &xmpp.Forwarded{
|
||||
XMLName: xml.Name{
|
||||
Space: "urn:xmpp:forward:0",
|
||||
Local: "forward",
|
||||
},
|
||||
Stanza: iqResp,
|
||||
},
|
||||
}
|
||||
iqForward.AddPayload(&delegPayload)
|
||||
_ = s.Send(iqForward)
|
||||
// TODO: The component should actually broadcast the mood to subscribers
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user