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package nctalk
import (
"context"
"crypto/tls"
"strconv"
"strings"
"github.com/42wim/matterbridge/bridge"
"github.com/42wim/matterbridge/bridge/config"
"gomod.garykim.dev/nc-talk/ocs"
"gomod.garykim.dev/nc-talk/room"
"gomod.garykim.dev/nc-talk/user"
)
type Btalk struct {
user *user.TalkUser
rooms []Broom
*bridge.Config
}
func New(cfg *bridge.Config) bridge.Bridger {
return &Btalk{Config: cfg}
}
type Broom struct {
room *room.TalkRoom
ctx context.Context
ctxCancel context.CancelFunc
}
func (b *Btalk) Connect() error {
b.Log.Info("Connecting")
tconfig := &user.TalkUserConfig{
TLSConfig: &tls.Config{
InsecureSkipVerify: b.GetBool("SkipTLSVerify"), //nolint:gosec
},
}
var err error
b.user, err = user.NewUser(b.GetString("Server"), b.GetString("Login"), b.GetString("Password"), tconfig)
if err != nil {
b.Log.Error("Config could not be used")
return err
}
_, err = b.user.Capabilities()
if err != nil {
b.Log.Error("Cannot Connect")
return err
}
b.Log.Info("Connected")
return nil
}
func (b *Btalk) Disconnect() error {
for _, r := range b.rooms {
r.ctxCancel()
}
return nil
}
func (b *Btalk) JoinChannel(channel config.ChannelInfo) error {
tr, err := room.NewTalkRoom(b.user, channel.Name)
if err != nil {
return err
}
newRoom := Broom{
room: tr,
}
newRoom.ctx, newRoom.ctxCancel = context.WithCancel(context.Background())
c, err := newRoom.room.ReceiveMessages(newRoom.ctx)
if err != nil {
return err
}
b.rooms = append(b.rooms, newRoom)
// Config
guestSuffix := " (Guest)"
if b.IsKeySet("GuestSuffix") {
guestSuffix = b.GetString("GuestSuffix")
}
go func() {
for msg := range c {
msg := msg
if msg.Error != nil {
b.Log.Errorf("Fatal message poll error: %s\n", msg.Error)
return
}
// ignore messages that are one of the following
// * not a message from a user
// * from ourselves
if msg.MessageType != ocs.MessageComment || msg.ActorID == b.user.User {
continue
}
remoteMessage := config.Message{
Text: formatRichObjectString(msg.Message, msg.MessageParameters),
Channel: newRoom.room.Token,
Username: DisplayName(msg, guestSuffix),
UserID: msg.ActorID,
Account: b.Account,
}
// It is possible for the ID to not be set on older versions of Talk so we only set it if
// the ID is not blank
if msg.ID != 0 {
remoteMessage.ID = strconv.Itoa(msg.ID)
}
// Handle Files
err = b.handleFiles(&remoteMessage, &msg)
if err != nil {
b.Log.Errorf("Error handling file: %#v", msg)
continue
}
b.Log.Debugf("<= Message is %#v", remoteMessage)
b.Remote <- remoteMessage
}
}()
return nil
}
func (b *Btalk) Send(msg config.Message) (string, error) {
r := b.getRoom(msg.Channel)
if r == nil {
b.Log.Errorf("Could not find room for %v", msg.Channel)
return "", nil
}
// Talk currently only supports sending normal messages
if msg.Event != "" {
return "", nil
}
// Handle sending files if they are included
err := b.handleSendingFile(&msg, r)
if err != nil {
b.Log.Errorf("Could not send files in message to room %v from %v: %v", msg.Channel, msg.Username, err)
return "", nil
}
sentMessage, err := r.room.SendMessage(msg.Username + msg.Text)
if err != nil {
b.Log.Errorf("Could not send message to room %v from %v: %v", msg.Channel, msg.Username, err)
return "", nil
}
return strconv.Itoa(sentMessage.ID), nil
}
func (b *Btalk) getRoom(token string) *Broom {
for _, r := range b.rooms {
if r.room.Token == token {
return &r
}
}
return nil
}
func (b *Btalk) handleFiles(mmsg *config.Message, message *ocs.TalkRoomMessageData) error {
for _, parameter := range message.MessageParameters {
if parameter.Type == ocs.ROSTypeFile {
// Get the file
file, err := b.user.DownloadFile(parameter.Path)
if err != nil {
return err
}
if mmsg.Extra == nil {
mmsg.Extra = make(map[string][]interface{})
}
mmsg.Extra["file"] = append(mmsg.Extra["file"], config.FileInfo{
Name: parameter.Name,
Data: file,
Size: int64(len(*file)),
Avatar: false,
})
}
}
return nil
}
func (b *Btalk) handleSendingFile(msg *config.Message, r *Broom) error {
for _, f := range msg.Extra["file"] {
fi := f.(config.FileInfo)
if fi.URL == "" {
continue
}
message := msg.Username
if fi.Comment != "" {
message += fi.Comment + " "
}
message += fi.URL
_, err := r.room.SendMessage(message)
if err != nil {
return err
}
}
return nil
}
// Spec: https://github.com/nextcloud/server/issues/1706#issue-182308785
func formatRichObjectString(message string, parameters map[string]ocs.RichObjectString) string {
for id, parameter := range parameters {
text := parameter.Name
switch parameter.Type {
case ocs.ROSTypeUser, ocs.ROSTypeGroup:
text = "@" + text
case ocs.ROSTypeFile:
if parameter.Link != "" {
text = parameter.Name
}
}
message = strings.ReplaceAll(message, "{"+id+"}", text)
}
return message
}
func DisplayName(msg ocs.TalkRoomMessageData, suffix string) string {
if msg.ActorType == ocs.ActorGuest {
if msg.ActorDisplayName == "" {
return "Guest"
}
return msg.ActorDisplayName + suffix
}
return msg.ActorDisplayName
}
|
