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package gateway
import (
"encoding/xml"
"strings"
"dev.narayana.im/narayana/telegabber/xmpp/extensions"
log "github.com/sirupsen/logrus"
"github.com/soheilhy/args"
"gosrc.io/xmpp"
"gosrc.io/xmpp/stanza"
)
// Queue stores presences to send later
var Queue = make(map[string]*stanza.Presence)
// Jid stores the component's JID object
var Jid *stanza.Jid
// DirtySessions denotes that some Telegram session configurations
// were changed and need to be re-flushed to the YamlDB
var DirtySessions = false
// SendMessage creates and sends a message stanza
func SendMessage(to string, from string, body string, component *xmpp.Component) {
componentJid := Jid.Full()
var logFrom string
var messageFrom string
if from == "" {
logFrom = componentJid
messageFrom = componentJid
} else {
logFrom = from
messageFrom = from + "@" + componentJid
}
log.WithFields(log.Fields{
"from": logFrom,
"to": to,
}).Warn("Got message")
message := stanza.Message{
Attrs: stanza.Attrs{
From: messageFrom,
To: to,
Type: "chat",
},
Body: body,
}
// explicit check, as marshalling is expensive
if log.GetLevel() == log.DebugLevel {
xmlMessage, err := xml.Marshal(message)
if err == nil {
log.Debug(string(xmlMessage))
} else {
log.Debugf("%#v", message)
}
}
_ = ResumableSend(component, message)
}
// LogBadPresence verbosely logs a presence
func LogBadPresence(presence *stanza.Presence) {
log.Errorf("Couldn't send presence: %#v", presence)
}
// SPFrom is a Telegram user id
var SPFrom = args.NewString()
// SPType is a presence type
var SPType = args.NewString()
// SPShow is a availability status
var SPShow = args.NewString()
// SPStatus is a verbose status
var SPStatus = args.NewString()
// SPNickname is a XEP-0172 nickname
var SPNickname = args.NewString()
// SPPhoto is a XEP-0153 hash of avatar in vCard
var SPPhoto = args.NewString()
// SPImmed skips queueing
var SPImmed = args.NewBool(args.Default(true))
func newPresence(bareJid string, to string, args ...args.V) stanza.Presence {
var presenceFrom string
if SPFrom.IsSet(args) {
presenceFrom = SPFrom.Get(args) + "@" + bareJid
} else {
presenceFrom = bareJid
}
presence := stanza.Presence{Attrs: stanza.Attrs{
From: presenceFrom,
To: to,
}}
if SPType.IsSet(args) {
t := SPType.Get(args)
if t != "" {
presence.Attrs.Type = stanza.StanzaType(t)
}
}
if SPShow.IsSet(args) {
show := SPShow.Get(args)
if show != "" {
presence.Show = stanza.PresenceShow(show)
}
}
if SPStatus.IsSet(args) {
status := SPStatus.Get(args)
if status != "" {
presence.Status = status
}
}
if SPNickname.IsSet(args) {
nickname := SPNickname.Get(args)
if nickname != "" {
presence.Extensions = append(presence.Extensions, extensions.PresenceNickExtension{
Text: nickname,
})
}
}
if SPPhoto.IsSet(args) {
photo := SPPhoto.Get(args)
if photo != "" {
presence.Extensions = append(presence.Extensions, extensions.PresenceXVCardUpdateExtension{
Photo: extensions.PresenceXVCardUpdatePhoto{
Text: photo,
},
})
}
}
return presence
}
// SendPresence creates and sends a presence stanza
func SendPresence(component *xmpp.Component, to string, args ...args.V) error {
var logFrom string
bareJid := Jid.Bare()
if SPFrom.IsSet(args) {
logFrom = SPFrom.Get(args)
} else {
logFrom = bareJid
}
log.WithFields(log.Fields{
"type": SPType.Get(args),
"from": logFrom,
"to": to,
}).Info("Got presence")
presence := newPresence(bareJid, to, args...)
// explicit check, as marshalling is expensive
if log.GetLevel() == log.DebugLevel {
xmlPresence, err := xml.Marshal(presence)
if err == nil {
log.Debug(string(xmlPresence))
} else {
log.Debugf("%#v", presence)
}
}
immed := SPImmed.Get(args)
if immed {
err := ResumableSend(component, presence)
if err != nil {
LogBadPresence(&presence)
return err
}
} else {
Queue[presence.From+presence.To] = &presence
}
return nil
}
// ResumableSend tries to resume the connection once and sends the packet again
func ResumableSend(component *xmpp.Component, packet stanza.Packet) error {
err := component.Send(packet)
if err != nil && strings.HasPrefix(err.Error(), "cannot send packet") {
log.Warn("Packet send failed, trying to resume the connection...")
err = component.Connect()
if err == nil {
err = component.Send(packet)
}
}
if err != nil {
log.Error(err.Error())
}
return err
}
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