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package xmpp
import (
"encoding/xml"
"fmt"
)
var (
itemsIDs []string
subIDs []string
unsubIDs []string
)
const (
XMPPNS_PUBSUB = "http://jabber.org/protocol/pubsub"
XMPPNS_PUBSUB_EVENT = "http://jabber.org/protocol/pubsub#event"
)
type clientPubsubItem struct {
XMLName xml.Name `xml:"item"`
ID string `xml:"id,attr"`
Body []byte `xml:",innerxml"`
}
type clientPubsubItems struct {
XMLName xml.Name `xml:"items"`
Node string `xml:"node,attr"`
Items []clientPubsubItem `xml:"item"`
}
type clientPubsubEvent struct {
XMLName xml.Name `xml:"event"`
XMLNS string `xml:"xmlns,attr"`
Items clientPubsubItems `xml:"items"`
}
type clientPubsubError struct {
XMLName xml.Name
}
type clientPubsubSubscription struct {
XMLName xml.Name `xml:"subscription"`
Node string `xml:"node,attr"`
JID string `xml:"jid,attr"`
SubID string `xml:"subid,attr"`
}
type PubsubEvent struct {
Node string
Items []PubsubItem
}
type PubsubSubscription struct {
SubID string
JID string
Node string
Errors []string
}
type PubsubUnsubscription PubsubSubscription
type PubsubItem struct {
ID string
InnerXML []byte
}
type PubsubItems struct {
Node string
Items []PubsubItem
}
// Converts []clientPubsubItem to []PubsubItem
func pubsubItemsToReturn(items []clientPubsubItem) []PubsubItem {
var tmp []PubsubItem
for _, i := range items {
tmp = append(tmp, PubsubItem{
ID: i.ID,
InnerXML: i.Body,
})
}
return tmp
}
func pubsubClientToReturn(event clientPubsubEvent) PubsubEvent {
return PubsubEvent{
Node: event.Items.Node,
Items: pubsubItemsToReturn(event.Items.Items),
}
}
func pubsubStanza(body string) string {
return fmt.Sprintf("<pubsub xmlns='%s'>%s</pubsub>",
XMPPNS_PUBSUB, body)
}
func pubsubSubscriptionStanza(node, jid string) string {
body := fmt.Sprintf("<subscribe node='%s' jid='%s'/>",
xmlEscape(node),
xmlEscape(jid))
return pubsubStanza(body)
}
func pubsubUnsubscriptionStanza(node, jid string) string {
body := fmt.Sprintf("<unsubscribe node='%s' jid='%s'/>",
xmlEscape(node),
xmlEscape(jid))
return pubsubStanza(body)
}
func (c *Client) PubsubSubscribeNode(node, jid string) error {
id := getUUIDv4()
subIDs = append(subIDs, id)
_, err := c.RawInformation(c.jid,
jid,
id,
"set",
pubsubSubscriptionStanza(node, c.jid))
return err
}
func (c *Client) PubsubUnsubscribeNode(node, jid string) error {
id := getUUIDv4()
unsubIDs = append(unsubIDs, id)
_, err := c.RawInformation(c.jid,
jid,
id,
"set",
pubsubUnsubscriptionStanza(node, c.jid))
return err
}
func (c *Client) PubsubRequestLastItems(node, jid string) error {
id := getUUIDv4()
itemsIDs = append(itemsIDs, id)
body := fmt.Sprintf("<items node='%s'/>", node)
_, err := c.RawInformation(c.jid, jid, id, "get", pubsubStanza(body))
return err
}
func (c *Client) PubsubRequestItem(node, jid, id string) error {
stanzaID := getUUIDv4()
itemsIDs = append(itemsIDs, stanzaID)
body := fmt.Sprintf("<items node='%s'><item id='%s'/></items>", node, id)
_, err := c.RawInformation(c.jid, jid, stanzaID, "get", pubsubStanza(body))
return err
}
|
