583 lines
16 KiB
Go
583 lines
16 KiB
Go
package telegram
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import (
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"crypto/sha1"
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"crypto/sha256"
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"fmt"
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"github.com/pkg/errors"
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"io"
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"os"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"time"
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"dev.narayana.im/narayana/telegabber/telegram/cache"
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"dev.narayana.im/narayana/telegabber/telegram/formatter"
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"dev.narayana.im/narayana/telegabber/xmpp/gateway"
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log "github.com/sirupsen/logrus"
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"github.com/soheilhy/args"
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"github.com/godcong/go-tdlib/client"
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)
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var errOffline = errors.New("TDlib instance is offline")
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var spaceRegex = regexp.MustCompile(`\s+`)
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var replyRegex = regexp.MustCompile("> ?([0-9]{10,})")
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const newlineChar string = "\n"
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// GetContactByUsername resolves username to user id retrieves user and chat information
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func (c *Client) GetContactByUsername(username string) (*client.Chat, *client.User, error) {
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if !c.Online() {
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return nil, nil, errOffline
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}
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chat, err := c.client.SearchPublicChat(&client.SearchPublicChatRequest{
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Username: username,
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})
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if err != nil {
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return nil, nil, err
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}
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return c.GetContactByID(chat.ID, chat)
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}
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// GetContactByID gets user and chat information from cache (or tries to retrieve it, if missing)
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func (c *Client) GetContactByID(id int64, chat *client.Chat) (*client.Chat, *client.User, error) {
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if !c.Online() {
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return nil, nil, errOffline
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}
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var user *client.User
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var cacheChat *client.Chat
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var ok bool
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var err error
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user, ok = c.cache.GetUser(id)
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if !ok && id > 0 {
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user, err = c.client.GetUser(&client.GetUserRequest{
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UserID: id,
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})
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if err == nil {
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c.cache.SetUser(id, user)
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}
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}
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cacheChat, ok = c.cache.GetChat(id)
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if !ok {
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if chat == nil {
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cacheChat, err = c.client.GetChat(&client.GetChatRequest{
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ChatID: id,
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})
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if err != nil {
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// error is irrelevant if the user was found successfully
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if user != nil {
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return nil, user, nil
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}
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return nil, nil, err
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}
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c.cache.SetChat(id, cacheChat)
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} else {
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c.cache.SetChat(id, chat)
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}
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}
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if chat == nil {
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chat = cacheChat
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}
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return chat, user, nil
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}
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func (c *Client) userStatusToText(status client.UserStatus) (string, string) {
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var show, textStatus string
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switch status.UserStatusType() {
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case client.TypeUserStatusOnline:
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textStatus = "Online"
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case client.TypeUserStatusRecently:
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show, textStatus = "dnd", "Last seen recently"
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case client.TypeUserStatusLastWeek:
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show, textStatus = "unavailable", "Last seen last week"
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case client.TypeUserStatusLastMonth:
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show, textStatus = "unavailable", "Last seen last month"
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case client.TypeUserStatusEmpty:
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show, textStatus = "unavailable", "Last seen a long time ago"
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case client.TypeUserStatusOffline:
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offlineStatus, _ := status.(*client.UserStatusOffline)
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// this will stop working in 2038 O\
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elapsed := time.Now().Unix() - int64(offlineStatus.WasOnline)
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if elapsed < 3600 {
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show = "away"
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} else {
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show = "xa"
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}
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textStatus = time.Unix(int64(offlineStatus.WasOnline), 0).
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In(c.Session.TimezoneToLocation()).
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Format("Last seen at 15:04 02/01/2006")
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}
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return show, textStatus
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}
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// ProcessStatusUpdate sets contact status
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func (c *Client) ProcessStatusUpdate(chatID int64, status string, show string, args ...args.V) error {
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if !c.Online() {
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return nil
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}
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log.WithFields(log.Fields{
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"chat_id": chatID,
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}).Info("Status update for")
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chat, user, err := c.GetContactByID(chatID, nil)
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if err != nil {
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return err
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}
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var photo string
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if chat != nil && chat.Photo != nil {
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path := chat.Photo.Small.Local.Path
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file, err := os.Open(path)
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if err == nil {
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defer file.Close()
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hash := sha1.New()
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_, err = io.Copy(hash, file)
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if err == nil {
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photo = fmt.Sprintf("%x", hash.Sum(nil))
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} else {
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log.Errorf("Error calculating hash: %v", path)
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}
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} else if path != "" {
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log.Errorf("Photo does not exist: %v", path)
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}
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}
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if status == "" {
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if user != nil {
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show, status = c.userStatusToText(user.Status)
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} else {
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show, status = "chat", chat.Title
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}
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}
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c.cache.SetStatus(chatID, show, status)
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gateway.SendPresence(
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c.xmpp,
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c.jid,
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gateway.SPFrom(strconv.FormatInt(chatID, 10)),
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gateway.SPShow(show),
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gateway.SPStatus(status),
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gateway.SPPhoto(photo),
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gateway.SPImmed(gateway.SPImmed.Get(args)),
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)
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return nil
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}
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func (c *Client) formatContact(chatID int64) string {
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if chatID == 0 {
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return ""
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}
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chat, user, err := c.GetContactByID(chatID, nil)
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if err != nil {
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return "unknown contact: " + err.Error()
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}
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var str string
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if chat != nil {
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str = fmt.Sprintf("%s (%v)", chat.Title, chat.ID)
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} else if user != nil {
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username := user.Username
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if username == "" {
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username = strconv.FormatInt(user.ID, 10)
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}
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str = fmt.Sprintf("%s %s (%v)", user.FirstName, user.LastName, username)
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} else {
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str = strconv.FormatInt(chatID, 10)
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}
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str = spaceRegex.ReplaceAllString(str, " ")
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return str
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}
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func (c *Client) formatMessage(chatID int64, messageID int64, preview bool, message *client.Message) string {
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var err error
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if message == nil {
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message, err = c.client.GetMessage(&client.GetMessageRequest{
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ChatID: chatID,
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MessageID: messageID,
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})
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if err != nil {
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return fmt.Sprintf("<error fetching message: %s>", err.Error())
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}
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}
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if message == nil {
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return ""
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}
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var str strings.Builder
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var senderId int64
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switch message.Sender.MessageSenderType() {
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case client.TypeMessageSenderUser:
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senderUser, _ := message.Sender.(*client.MessageSenderUser)
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senderId = senderUser.UserID
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case client.TypeMessageSenderChat:
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senderChat, _ := message.Sender.(*client.MessageSenderChat)
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senderId = senderChat.ChatID
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}
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str.WriteString(fmt.Sprintf("%v | %s | ", message.ID, c.formatContact(senderId)))
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if !preview {
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str.WriteString(
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time.Unix(int64(message.Date), 0).
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In(c.Session.TimezoneToLocation()).
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Format("02 Jan 2006 15:04:05 | "),
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)
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}
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var text string
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if message.Content != nil {
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switch message.Content.MessageContentType() {
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case client.TypeMessageText:
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messageText, _ := message.Content.(*client.MessageText)
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text = messageText.Text.Text
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// TODO: handle other message types with labels (not supported in Zhabogram!)
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}
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}
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if text != "" {
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if !preview {
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str.WriteString(text)
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} else {
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newlinePos := strings.Index(text, newlineChar)
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if !preview || newlinePos == -1 {
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str.WriteString(text)
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} else {
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str.WriteString(text[0:newlinePos])
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}
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}
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}
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return str.String()
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}
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func (c *Client) formatContent(file *client.File, filename string) string {
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if file == nil {
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return ""
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}
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return fmt.Sprintf(
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"%s (%v kbytes) | %s/%s%s",
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filename,
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file.Size/1024,
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c.content.Link,
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fmt.Sprintf("%x", sha256.Sum256([]byte(file.Remote.ID))),
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filepath.Ext(filename),
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)
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}
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func (c *Client) messageToText(message *client.Message) string {
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if message.Content == nil {
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log.Warnf("Unknown message (big emoji?): %#v", message)
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return "<BIG EMOJI>"
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}
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markupFunction := formatter.EntityToXEP0393
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switch message.Content.MessageContentType() {
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case client.TypeMessageSticker:
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sticker, _ := message.Content.(*client.MessageSticker)
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return sticker.Sticker.Emoji
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case client.TypeMessageBasicGroupChatCreate, client.TypeMessageSupergroupChatCreate:
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return "has created chat"
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case client.TypeMessageChatJoinByLink:
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return "joined chat via invite link"
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case client.TypeMessageChatAddMembers:
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addMembers, _ := message.Content.(*client.MessageChatAddMembers)
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text := "invited "
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if len(addMembers.MemberUserIDs) > 0 {
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text += c.formatContact(addMembers.MemberUserIDs[0])
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}
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return text
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case client.TypeMessageChatDeleteMember:
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deleteMember, _ := message.Content.(*client.MessageChatDeleteMember)
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return "kicked " + c.formatContact(deleteMember.UserID)
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case client.TypeMessagePinMessage:
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pinMessage, _ := message.Content.(*client.MessagePinMessage)
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return "pinned message: " + c.formatMessage(message.ChatID, pinMessage.MessageID, false, nil)
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case client.TypeMessageChatChangeTitle:
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changeTitle, _ := message.Content.(*client.MessageChatChangeTitle)
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return "chat title set to: " + changeTitle.Title
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case client.TypeMessageLocation:
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location, _ := message.Content.(*client.MessageLocation)
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return fmt.Sprintf(
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"coordinates: %v,%v | https://www.google.com/maps/search/%v,%v/",
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location.Location.Latitude,
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location.Location.Longitude,
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location.Location.Latitude,
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location.Location.Longitude,
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)
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case client.TypeMessagePhoto:
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photo, _ := message.Content.(*client.MessagePhoto)
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return formatter.Format(
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photo.Caption.Text,
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formatter.SortEntities(photo.Caption.Entities),
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markupFunction,
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)
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case client.TypeMessageAudio:
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audio, _ := message.Content.(*client.MessageAudio)
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return formatter.Format(
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audio.Caption.Text,
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formatter.SortEntities(audio.Caption.Entities),
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markupFunction,
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)
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case client.TypeMessageVideo:
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video, _ := message.Content.(*client.MessageVideo)
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return formatter.Format(
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video.Caption.Text,
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formatter.SortEntities(video.Caption.Entities),
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markupFunction,
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)
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case client.TypeMessageDocument:
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document, _ := message.Content.(*client.MessageDocument)
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return formatter.Format(
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document.Caption.Text,
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formatter.SortEntities(document.Caption.Entities),
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markupFunction,
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)
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case client.TypeMessageText:
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text, _ := message.Content.(*client.MessageText)
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return formatter.Format(
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text.Text.Text,
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formatter.SortEntities(text.Text.Entities),
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markupFunction,
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)
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case client.TypeMessageVoiceNote:
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voice, _ := message.Content.(*client.MessageVoiceNote)
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return formatter.Format(
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voice.Caption.Text,
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formatter.SortEntities(voice.Caption.Entities),
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markupFunction,
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)
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case client.TypeMessageVideoNote:
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return ""
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case client.TypeMessageAnimation:
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animation, _ := message.Content.(*client.MessageAnimation)
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return formatter.Format(
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animation.Caption.Text,
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formatter.SortEntities(animation.Caption.Entities),
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markupFunction,
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)
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}
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return fmt.Sprintf("unknown message (%s)", message.Content.MessageContentType())
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}
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func (c *Client) contentToFilename(content client.MessageContent) (*client.File, string) {
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if content == nil {
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return nil, ""
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}
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switch content.MessageContentType() {
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case client.TypeMessageSticker:
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sticker, _ := content.(*client.MessageSticker)
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return sticker.Sticker.Sticker, "sticker.webp"
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case client.TypeMessageVoiceNote:
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voice, _ := content.(*client.MessageVoiceNote)
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return voice.VoiceNote.Voice, fmt.Sprintf("voice note (%v s.).oga", voice.VoiceNote.Duration)
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case client.TypeMessageVideoNote:
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video, _ := content.(*client.MessageVideoNote)
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return video.VideoNote.Video, fmt.Sprintf("video note (%v s.).mp4", video.VideoNote.Duration)
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case client.TypeMessageAnimation:
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animation, _ := content.(*client.MessageAnimation)
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return animation.Animation.Animation, "animation.mp4"
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case client.TypeMessagePhoto:
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photo, _ := content.(*client.MessagePhoto)
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sizes := photo.Photo.Sizes
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if len(sizes) > 1 {
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file := sizes[len(sizes)-1].Photo
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return file, strconv.FormatInt(file.ID, 10) + ".jpg"
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}
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return nil, ""
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case client.TypeMessageAudio:
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audio, _ := content.(*client.MessageAudio)
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return audio.Audio.Audio, audio.Audio.FileName
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case client.TypeMessageVideo:
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video, _ := content.(*client.MessageVideo)
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return video.Video.Video, video.Video.FileName
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case client.TypeMessageDocument:
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document, _ := content.(*client.MessageDocument)
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return document.Document.Document, document.Document.FileName
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}
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return nil, ""
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}
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func (c *Client) messageToPrefix(message *client.Message, fileString string) string {
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prefix := []string{}
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// message direction
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var directionChar string
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if message.IsOutgoing {
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directionChar = "➡ "
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} else {
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directionChar = "⬅ "
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}
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prefix = append(prefix, directionChar+strconv.FormatInt(message.ID, 10))
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// show sender in group chats
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if message.ChatID < 0 && message.Sender != nil {
|
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var senderId int64
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switch message.Sender.MessageSenderType() {
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case client.TypeMessageSenderUser:
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senderUser, _ := message.Sender.(*client.MessageSenderUser)
|
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senderId = senderUser.UserID
|
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case client.TypeMessageSenderChat:
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senderChat, _ := message.Sender.(*client.MessageSenderChat)
|
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senderId = senderChat.ChatID
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}
|
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prefix = append(prefix, c.formatContact(senderId))
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}
|
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if message.ForwardInfo != nil {
|
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switch message.ForwardInfo.Origin.MessageForwardOriginType() {
|
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case client.TypeMessageForwardOriginUser:
|
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originUser := message.ForwardInfo.Origin.(*client.MessageForwardOriginUser)
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prefix = append(prefix, "fwd: "+c.formatContact(originUser.SenderUserID))
|
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case client.TypeMessageForwardOriginChat:
|
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originChat := message.ForwardInfo.Origin.(*client.MessageForwardOriginChat)
|
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var signature string
|
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if originChat.AuthorSignature != "" {
|
|
signature = fmt.Sprintf(" (%s)", originChat.AuthorSignature)
|
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}
|
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prefix = append(prefix, "fwd: "+c.formatContact(originChat.SenderChatID)+signature)
|
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case client.TypeMessageForwardOriginHiddenUser:
|
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originUser := message.ForwardInfo.Origin.(*client.MessageForwardOriginHiddenUser)
|
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prefix = append(prefix, fmt.Sprintf("fwd: anonymous (%s)", originUser.SenderName))
|
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case client.TypeMessageForwardOriginChannel:
|
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channel := message.ForwardInfo.Origin.(*client.MessageForwardOriginChannel)
|
|
var signature string
|
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if channel.AuthorSignature != "" {
|
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signature = fmt.Sprintf(" (%s)", channel.AuthorSignature)
|
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}
|
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prefix = append(prefix, "fwd: "+c.formatContact(channel.ChatID)+signature)
|
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}
|
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}
|
|
// reply to
|
|
if message.ReplyToMessageID != 0 {
|
|
prefix = append(prefix, "reply: "+c.formatMessage(message.ChatID, message.ReplyToMessageID, true, nil))
|
|
}
|
|
if fileString != "" {
|
|
prefix = append(prefix, "file: "+fileString)
|
|
}
|
|
|
|
return strings.Join(prefix, " | ")
|
|
}
|
|
|
|
// ProcessOutgoingMessage executes commands or sends messages to mapped chats
|
|
func (c *Client) ProcessOutgoingMessage(chatID int64, text string, messageID int64, returnJid string) {
|
|
if messageID == 0 && strings.HasPrefix(text, "/") {
|
|
// try to execute a command
|
|
response, isCommand := c.ProcessChatCommand(chatID, text)
|
|
if response != "" {
|
|
gateway.SendMessage(returnJid, strconv.FormatInt(chatID, 10), response, c.xmpp)
|
|
}
|
|
// do not send on success
|
|
if isCommand {
|
|
return
|
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}
|
|
}
|
|
|
|
if !c.Online() {
|
|
// we're offline
|
|
return
|
|
}
|
|
|
|
log.Warnf("Send message to chat %v", chatID)
|
|
|
|
if messageID != 0 {
|
|
formattedText := &client.FormattedText{
|
|
Text: text,
|
|
}
|
|
|
|
// compile our message
|
|
message := &client.InputMessageText{
|
|
Text: formattedText,
|
|
}
|
|
|
|
c.client.EditMessageText(&client.EditMessageTextRequest{
|
|
ChatID: chatID,
|
|
MessageID: messageID,
|
|
InputMessageContent: message,
|
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})
|
|
} else {
|
|
// quotations
|
|
var reply int64
|
|
replySlice := replyRegex.FindStringSubmatch(text)
|
|
if len(replySlice) > 1 {
|
|
reply, _ = strconv.ParseInt(replySlice[1], 10, 64)
|
|
}
|
|
|
|
// attach a file
|
|
var file *client.InputFileRemote
|
|
if c.content.Upload != "" && strings.HasPrefix(text, c.content.Upload) {
|
|
file = &client.InputFileRemote{
|
|
ID: text,
|
|
}
|
|
}
|
|
|
|
// remove first line from text
|
|
if file != nil || reply != 0 {
|
|
newlinePos := strings.Index(text, newlineChar)
|
|
if newlinePos != -1 {
|
|
text = text[newlinePos+1:]
|
|
}
|
|
}
|
|
|
|
formattedText := &client.FormattedText{
|
|
Text: text,
|
|
}
|
|
|
|
var message client.InputMessageContent
|
|
if file != nil {
|
|
// we can try to send a document
|
|
message = &client.InputMessageDocument{
|
|
Document: file,
|
|
Caption: formattedText,
|
|
}
|
|
} else {
|
|
// compile our message
|
|
message = &client.InputMessageText{
|
|
Text: formattedText,
|
|
}
|
|
}
|
|
|
|
_, err := c.client.SendMessage(&client.SendMessageRequest{
|
|
ChatID: chatID,
|
|
ReplyToMessageID: reply,
|
|
InputMessageContent: message,
|
|
})
|
|
if err != nil {
|
|
gateway.SendMessage(
|
|
returnJid,
|
|
strconv.FormatInt(chatID, 10),
|
|
fmt.Sprintf("Message not sent: %s", err.Error()),
|
|
c.xmpp,
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
// StatusesRange proxies the following function from unexported cache
|
|
func (c *Client) StatusesRange() chan *cache.Status {
|
|
return c.cache.StatusesRange()
|
|
}
|