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tgze.go
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/*
https://pkg.go.dev/github.com/kkdai/youtube/v2/
https://core.telegram.org/bots/api/
go get github.com/kkdai/youtube/v2@master
GoGet
GoFmt
GoBuildNull
*/
package main
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"mime/multipart"
"net/http"
"os"
"os/exec"
"os/signal"
"regexp"
"sort"
"strconv"
"strings"
"syscall"
"time"
"unicode"
ytdl "github.com/kkdai/youtube/v2"
"golang.org/x/exp/slices"
yaml "gopkg.in/yaml.v3"
)
const (
NL = "\n"
SPAC = " "
BEAT = time.Duration(24) * time.Hour / 1000
)
type TgZeConfig struct {
YssUrl string `yaml:"-"`
DEBUG bool `yaml:"DEBUG"`
Interval time.Duration `yaml:"Interval"`
TgApiUrlBase string `yaml:"TgApiUrlBase"` // = "https://api.telegram.org"
TgToken string `yaml:"TgToken"`
TgZeChatId int64 `yaml:"TgZeChatId"`
TgUpdateLog []int64 `yaml:"TgUpdateLog,flow"`
TgUpdateLogMaxSize int `yaml:"TgUpdateLogMaxSize"` // = 1080
TgCommandChannels string `yaml:"TgCommandChannels"`
TgCommandChannelsPromoteAdmin string `yaml:"TgCommandChannelsPromoteAdmin"`
TgQuest1 string `yaml:"TgQuest1"`
TgQuest1Key string `yaml:"TgQuest1Key"`
TgQuest2 string `yaml:"TgQuest2"`
TgQuest2Key string `yaml:"TgQuest2Key"`
TgQuest3 string `yaml:"TgQuest3"`
TgQuest3Key string `yaml:"TgQuest3Key"`
TgAllChannelsChatIds []int64 `yaml:"TgAllChannelsChatIds,flow"`
TgMaxFileSizeBytes int64 `yaml:"TgMaxFileSizeBytes"` // = 47 << 20
TgAudioBitrateKbps int64 `yaml:"TgAudioBitrateKbps"` // = 60
FfmpegPath string `yaml:"FfmpegPath"` // = "/bin/ffmpeg"
FfmpegGlobalOptions []string `yaml:"FfmpegGlobalOptions"` // = []string{"-v", "error"}
YtKey string `yaml:"YtKey"`
YtMaxResults int64 `yaml:"YtMaxResults"` // = 50
YtHttpClientUserAgent string `yaml:"YtHttpClientUserAgent"` // = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Safari/605.1.15"
// https://golang.org/s/re2syntax
// (?:re) non-capturing group
// TODO add support for https://www.youtube.com/watch?&list=PL5Qevr-CpW_yZZjYspehnFc-QRKQMCKHB&v=1nzx7O7ndfI&index=34
YtRe string `yaml:"YtRe"` // = `(?:youtube.com/watch\?v=|youtu.be/|youtube.com/shorts/|youtube.com/live/)([0-9A-Za-z_-]+)`
YtListRe string `yaml:"YtListRe"` // = `youtube.com/playlist\?list=([0-9A-Za-z_-]+)`
YtDownloadLanguages []string `yaml:"YtDownloadLanguages"` // = []string{"english", "german", "russian", "ukrainian"}
}
var (
Ctx context.Context
HttpClient = &http.Client{}
Config TgZeConfig
YtdlCl ytdl.Client
YtRe, YtListRe *regexp.Regexp
)
func init() {
Ctx = context.TODO()
if v := os.Getenv("YssUrl"); v != "" {
Config.YssUrl = v
}
if Config.YssUrl == "" {
log("ERROR YssUrl empty")
os.Exit(1)
}
log("YssUrl==%v", Config.YssUrl)
if err := Config.Get(); err != nil {
log("ERROR Config.Get: %v", err)
os.Exit(1)
}
if Config.DEBUG {
log("DEBUG==true")
}
log("Interval==%v", Config.Interval)
if Config.Interval == 0 {
log("ERROR Interval empty")
os.Exit(1)
}
var err error
YtRe, err = regexp.Compile(Config.YtRe)
if err != nil {
log("ERROR Compile YtRe `%s`: %s", Config.YtRe, err)
os.Exit(1)
}
YtListRe, err = regexp.Compile(Config.YtListRe)
if err != nil {
log("ERROR Compile YtListRe `%s`: %s", Config.YtListRe, err)
os.Exit(1)
}
if Config.TgToken == "" {
log("ERROR TgToken empty")
os.Exit(1)
}
log("TgUpdateLog==%+v", Config.TgUpdateLog)
if Config.TgCommandChannels == "" {
log("ERROR TgCommandChannels empty")
os.Exit(1)
}
if Config.TgCommandChannelsPromoteAdmin == "" {
log("ERROR TgCommandChannelsPromoteAdmin empty")
os.Exit(1)
}
if Config.YtKey == "" {
log("ERROR YtKey empty")
os.Exit(1)
}
log("FfmpegPath==`%s`", Config.FfmpegPath)
log("FfmpegGlobalOptions==%+v", Config.FfmpegGlobalOptions)
}
func main() {
sigterm := make(chan os.Signal, 1)
signal.Notify(sigterm, syscall.SIGTERM)
go func(sigterm chan os.Signal) {
<-sigterm
tgsendMessage(fmt.Sprintf("%s: sigterm", os.Args[0]), Config.TgZeChatId, "", 0)
log("sigterm received")
os.Exit(1)
}(sigterm)
for {
t0 := time.Now()
YtdlCl = ytdl.Client{HTTPClient: &http.Client{Transport: &UserAgentTransport{http.DefaultTransport, Config.YtHttpClientUserAgent}}}
processTgUpdates()
if dur := time.Now().Sub(t0); dur < Config.Interval {
time.Sleep(Config.Interval - dur)
}
}
return
}
func beats(td time.Duration) int {
return int(td / BEAT)
}
func ts() string {
t := time.Now().Local()
return fmt.Sprintf(
"%03d:"+"%02d%02d:"+"%02d%02d",
t.Year()%1000, t.Month(), t.Day(), t.Hour(), t.Minute(),
)
}
func log(msg string, args ...interface{}) {
s := fmt.Sprintf("%s %s", ts(), msg) + NL
fmt.Fprintf(os.Stderr, s, args...)
}
type TgChatMessageId struct {
ChatId int64
MessageId int64
}
type YtChannel struct {
Id string `json:"id"`
ContentDetails struct {
RelatedPlaylists struct {
Uploads string `json:"uploads"`
} `json:"relatedPlaylists"`
} `json:"contentDetails"`
}
type YtChannelListResponse struct {
PageInfo struct {
TotalResults int64 `json:"totalResults"`
ResultsPerPage int64 `json:"resultsPerPage"`
} `json:"pageInfo"`
Items []YtChannel `json:"items"`
}
type YtPlaylistSnippet struct {
Title string `json:"title"`
Description string `json:"description"`
PublishedAt string `json:"publishedAt"`
ChannelId string `json:"channelId"`
ChannelTitle string `json:"channelTitle"`
Thumbnails struct {
Medium struct {
Url string `json:"url"`
} `json:"medium"`
High struct {
Url string `json:"url"`
} `json:"high"`
Standard struct {
Url string `json:"url"`
} `json:"standard"`
MaxRes struct {
Url string `json:"url"`
} `json:"maxres"`
} `json:"thumbnails"`
}
type YtPlaylist struct {
Snippet YtPlaylistSnippet `json:"snippet"`
ContentDetails struct {
ItemCount uint `json:"itemCount"`
} `json:"contentDetails"`
}
type YtPlaylists struct {
NextPageToken string `json:"nextPageToken"`
PageInfo struct {
TotalResults int64 `json:"totalResults"`
ResultsPerPage int64 `json:"resultsPerPage"`
} `json:"pageInfo"`
Items []YtPlaylist
}
type YtPlaylistItemSnippet struct {
Title string `json:"title"`
Description string `json:"description"`
PublishedAt string `json:"publishedAt"`
ChannelId string `json:"channelId"`
ChannelTitle string `json:"channelTitle"`
PlaylistId string `json:"playlistId"`
Thumbnails struct {
Medium struct {
Url string `json:"url"`
} `json:"medium"`
High struct {
Url string `json:"url"`
} `json:"high"`
Standard struct {
Url string `json:"url"`
} `json:"standard"`
MaxRes struct {
Url string `json:"url"`
} `json:"maxres"`
} `json:"thumbnails"`
Position int64 `json:"position"`
ResourceId struct {
VideoId string `json:"videoId"`
} `json:"resourceId"`
}
type YtPlaylistItem struct {
Snippet YtPlaylistItemSnippet `json:"snippet"`
}
type YtPlaylistItems struct {
NextPageToken string `json:"nextPageToken"`
PageInfo struct {
TotalResults int64 `json:"totalResults"`
ResultsPerPage int64 `json:"resultsPerPage"`
} `json:"pageInfo"`
Items []YtPlaylistItem
}
type TgResponse struct {
Ok bool `json:"ok"`
Description string `json:"description"`
Result *TgMessage `json:"result"`
}
type TgResponseShort struct {
Ok bool `json:"ok"`
Description string `json:"description"`
}
type TgPromoteChatMemberResponse struct {
Ok bool `json:"ok"`
Description string `json:"description"`
Result bool `json:"result"`
}
type TgPhotoSize struct {
FileId string `json:"file_id"`
FileUniqueId string `json:"file_unique_id"`
Width int64 `json:"width"`
Height int64 `json:"height"`
FileSize int64 `json:"file_size"`
}
type TgAudio struct {
FileId string `json:"file_id"`
FileUniqueId string `json:"file_unique_id"`
Duration int64 `json:"duration"`
Performer string `json:"performer"`
Title string `json:"title"`
MimeType string `json:"mime_type"`
FileSize int64 `json:"file_size"`
Thumb TgPhotoSize `json:"thumb"`
}
type TgVideo struct {
FileId string `json:"file_id"`
FileUniqueId string `json:"file_unique_id"`
Width int64 `json:"width"`
Height int64 `json:"height"`
Duration int64 `json:"duration"`
MimeType string `json:"mime_type"`
FileSize int64 `json:"file_size"`
Thumb TgPhotoSize `json:"thumb"`
}
type TgMessage struct {
MessageId int64 `json:"message_id"`
From TgUser `json:"from"`
Chat TgChat `json:"chat"`
Text string
Audio TgAudio `json:"audio"`
Photo []TgPhotoSize `json:"photo"`
Video TgVideo `json:"video"`
}
type TgUser struct {
Id int64 `json:"id"`
IsBot bool `json:"is_bot"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"`
Username string `json:"username"`
}
type TgChat struct {
Id int64 `json:"id"`
Type string `json:"type"`
Title string `json:"title"`
Username string `json:"username"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"`
InviteLink string `json:"invite_link"`
}
type TgGetUpdatesResponse struct {
Ok bool `json:"ok"`
Description string `json:"description"`
Result []TgUpdate `json:"result"`
}
type TgChatMemberUpdated struct {
Chat TgChat `json:"chat"`
From TgUser `json:"from"`
Date int64 `json:"date"`
OldChatMember TgChatMember `json:"old_chat_member"`
NewChatMember TgChatMember `json:"new_chat_member"`
ViaJoinRequest bool `json:"via_join_request"`
ViaChatFolderInviteLink bool `json:"via_chat_folder_invite_link"`
}
type TgUpdate struct {
UpdateId int64 `json:"update_id"`
Message TgMessage `json:"message"`
EditedMessage TgMessage `json:"edited_message"`
ChannelPost TgMessage `json:"channel_post"`
EditedChannelPost TgMessage `json:"edited_channel_post"`
MyChatMemberUpdated TgChatMemberUpdated `json:"my_chat_member"`
}
type TgGetChatResponse struct {
Ok bool `json:"ok"`
Description string `json:"description"`
Result TgChat `json:"result"`
}
type TgChatMember struct {
User TgUser `json:"user"`
Status string `json:"status"`
}
type TgGetChatAdministratorsRequest struct {
ChatId string `json:"chat_id"`
}
type TgGetChatAdministratorsResponse struct {
Ok bool `json:"ok"`
Description string `json:"description"`
Result []TgChatMember `json:"result"`
}
type YtVideo struct {
Id string
PlaylistId string
PlaylistIndex int64
PlaylistSize int64
PlaylistTitle string
}
type UserAgentTransport struct {
Transport http.RoundTripper
UserAgent string
}
func (uat *UserAgentTransport) RoundTrip(req *http.Request) (*http.Response, error) {
req.Header.Set("User-Agent", uat.UserAgent)
return uat.Transport.RoundTrip(req)
}
func getJson(url string, target interface{}, respjson *string) (err error) {
resp, err := HttpClient.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
var respBody []byte
respBody, err = io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("io.ReadAll: %w", err)
}
err = json.NewDecoder(bytes.NewBuffer(respBody)).Decode(target)
if err != nil {
return fmt.Errorf("json.Decoder.Decode: %w", err)
}
if Config.DEBUG {
log("DEBUG getJson %s response ContentLength:%d Body:"+NL+"%s", url, resp.ContentLength, respBody)
}
if respjson != nil {
*respjson = string(respBody)
}
return nil
}
func postJson(url string, data *bytes.Buffer, target interface{}) error {
resp, err := HttpClient.Post(
url,
"application/json",
data,
)
if err != nil {
return err
}
defer resp.Body.Close()
var respBody []byte
respBody, err = io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("io.ReadAll: %w", err)
}
err = json.NewDecoder(bytes.NewBuffer(respBody)).Decode(target)
if err != nil {
return fmt.Errorf("Decode: %w", err)
}
return nil
}
func tgescape(text string) string {
// https://core.telegram.org/bots/api#markdownv2-style
return strings.NewReplacer(
"`", "\\`",
".", "\\.",
"-", "\\-",
"_", "\\_",
"#", "\\#",
"*", "\\*",
"~", "\\~",
">", "\\>",
"+", "\\+",
"=", "\\=",
"|", "\\|",
"!", "\\!",
"{", "\\{",
"}", "\\}",
"[", "\\[",
"]", "\\]",
"(", "\\(",
")", "\\)",
).Replace(text)
}
func tggetUpdates() (uu []TgUpdate, tgrespjson string, err error) {
var offset int64
if len(Config.TgUpdateLog) > 0 {
offset = Config.TgUpdateLog[len(Config.TgUpdateLog)-1] + 1
}
getUpdatesUrl := fmt.Sprintf("%s/bot%s/getUpdates?offset=%d", Config.TgApiUrlBase, Config.TgToken, offset)
var tgResp TgGetUpdatesResponse
err = getJson(getUpdatesUrl, &tgResp, &tgrespjson)
if err != nil {
return nil, "", err
}
if !tgResp.Ok {
return nil, "", fmt.Errorf("Tg response not ok: %s", tgResp.Description)
}
return tgResp.Result, tgrespjson, nil
}
func tggetChat(chatid int64) (chat TgChat, err error) {
getChatUrl := fmt.Sprintf("%s/bot%s/getChat?chat_id=%d", Config.TgApiUrlBase, Config.TgToken, chatid)
var tgResp TgGetChatResponse
tries := []int{1, 2, 3}
for ti, _ := range tries {
err = getJson(getChatUrl, &tgResp, nil)
if err != nil {
return TgChat{}, err
}
if !tgResp.Ok {
if strings.HasPrefix(tgResp.Description, "Too Many Requests: retry after ") && ti < len(tries)-1 {
log("tggetChat %d: Tg: %s: sleeping 17 seconds", chatid, tgResp.Description)
time.Sleep(17 * time.Second)
continue
}
return TgChat{}, fmt.Errorf("Tg response not ok: %s", tgResp.Description)
}
}
return tgResp.Result, nil
}
func tgpromoteChatMember(chatid, userid int64) (bool, error) {
// https://core.telegram.org/bots/api#promotechatmember
promoteChatMember := map[string]interface{}{
"chat_id": chatid,
"user_id": userid,
"is_anonymous": false,
"can_manage_chat": true,
"can_post_messages": true,
"can_edit_messages": true,
"can_delete_messages": true,
"can_change_info": true,
"can_restrict_members": true,
"can_promote_members": true,
"can_invite_users": true,
"can_manage_voice_chats": true,
}
promoteChatMemberJSON, err := json.Marshal(promoteChatMember)
if err != nil {
return false, err
}
var tgresp TgPromoteChatMemberResponse
err = postJson(
fmt.Sprintf("%s/bot%s/promoteChatMember", Config.TgApiUrlBase, Config.TgToken),
bytes.NewBuffer(promoteChatMemberJSON),
&tgresp,
)
if err != nil {
return false, fmt.Errorf("postJson: %w", err)
}
if !tgresp.Ok {
return false, fmt.Errorf("%s", tgresp.Description)
}
return tgresp.Result, nil
}
func tggetChatAdministrators(chatid int64) (mm []TgChatMember, err error) {
getChatAdministratorsUrl := fmt.Sprintf("%s/bot%s/getChatAdministrators?chat_id=%d", Config.TgApiUrlBase, Config.TgToken, chatid)
var tgResp TgGetChatAdministratorsResponse
err = getJson(getChatAdministratorsUrl, &tgResp, nil)
if err != nil {
return nil, err
}
if !tgResp.Ok {
return nil, fmt.Errorf("Tg response not ok: %s", tgResp.Description)
}
return tgResp.Result, nil
}
func processTgUpdates() {
var err error
var tgdeleteMessages []TgChatMessageId
defer func(mm *[]TgChatMessageId) {
for _, cm := range *mm {
tgdeleteMessage(cm.ChatId, cm.MessageId)
}
}(&tgdeleteMessages)
var uu []TgUpdate
var respjson string
uu, respjson, err = tggetUpdates()
if err != nil {
log("tggetUpdates: %v", err)
os.Exit(1)
}
var m, prevm TgMessage
for _, u := range uu {
log("# UpdateId:%d ", u.UpdateId)
/*
if len(TgUpdateLog) > 0 && u.UpdateId < TgUpdateLog[len(TgUpdateLog)-1] {
log("WARNING this telegram update id:%d is older than last id:%d, skipping", u.UpdateId, TgUpdateLog[len(TgUpdateLog)-1])
continue
}
*/
if slices.Contains(Config.TgUpdateLog, u.UpdateId) {
log("WARNING this telegram update id:%d was already processed, skipping", u.UpdateId)
continue
}
Config.TgUpdateLog = append(Config.TgUpdateLog, u.UpdateId)
if len(Config.TgUpdateLog) > Config.TgUpdateLogMaxSize {
Config.TgUpdateLog = Config.TgUpdateLog[len(Config.TgUpdateLog)-Config.TgUpdateLogMaxSize:]
}
if err := Config.Put(); err != nil {
log("ERROR Config.Put: %s", err)
}
var iseditmessage bool
var ischannelpost bool
if u.Message.MessageId != 0 {
m = u.Message
} else if u.EditedMessage.MessageId != 0 {
m = u.EditedMessage
iseditmessage = true
} else if u.ChannelPost.MessageId != 0 {
m = u.ChannelPost
ischannelpost = true
} else if u.EditedChannelPost.MessageId != 0 {
m = u.EditedChannelPost
ischannelpost = true
iseditmessage = true
} else if u.MyChatMemberUpdated.Date != 0 {
cmu := u.MyChatMemberUpdated
report := fmt.Sprintf(
"*MyChatMemberUpdated*"+NL+
"from:"+NL+
SPAC+"username: @%s"+NL+
SPAC+"id: `%d`"+NL+
"chat:"+NL+
SPAC+"id: `%d`"+NL+
SPAC+"username: @%s"+NL+
SPAC+"type: %s"+NL+
SPAC+"title: %s"+NL+
"old member:"+NL+
SPAC+"username: @%s"+NL+
SPAC+"id: `%d`"+NL+
SPAC+"status: %s"+NL+
"new member:"+NL+
SPAC+"username: @%s"+NL+
SPAC+"id: `%d`"+NL+
SPAC+"status: %s"+NL+
"",
cmu.From.Username, cmu.From.Id,
cmu.Chat.Id, cmu.Chat.Username, cmu.Chat.Type, tgescape(cmu.Chat.Title),
cmu.OldChatMember.User.Username, cmu.OldChatMember.User.Id, cmu.OldChatMember.Status,
cmu.NewChatMember.User.Username, cmu.NewChatMember.User.Id, cmu.NewChatMember.Status,
)
_, err = tgsendMessage(report, Config.TgZeChatId, "MarkdownV2", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
} else {
log("WARNING unsupported type of update id:%d received:"+NL+"%s", u.UpdateId, respjson)
_, err = tgsendMessage(fmt.Sprintf("unsupported type of update (id:%d) received:"+NL+"```"+NL+"%s"+NL+"```", u.UpdateId, respjson), Config.TgZeChatId, "MarkdownV2", 0)
if err != nil {
log("WARNING tgsendMessage: %v", err)
continue
}
continue
}
if m.Chat.Type == "channel" {
ischannelpost = true
}
if ischannelpost {
add := true
for _, i := range Config.TgAllChannelsChatIds {
if m.Chat.Id == i {
add = false
}
}
if add {
Config.TgAllChannelsChatIds = append(Config.TgAllChannelsChatIds, m.Chat.Id)
sort.Slice(Config.TgAllChannelsChatIds, func(i, j int) bool { return Config.TgAllChannelsChatIds[i] < Config.TgAllChannelsChatIds[j] })
if err := Config.Put(); err != nil {
log("ERROR Config.Put: %s", err)
}
}
}
log("telegram message from:`%s` chat:`%s` text:`%s`", m.From.Username, m.Chat.Username, m.Text)
if m.Text == "" {
continue
}
shouldreport := true
if m.From.Id == Config.TgZeChatId {
shouldreport = false
}
var chatadmins string
if aa, err := tggetChatAdministrators(m.Chat.Id); err == nil {
for _, a := range aa {
chatadmins += fmt.Sprintf("username:@%s id:%d status:%s ", a.User.Username, a.User.Id, a.Status)
if a.User.Id == Config.TgZeChatId {
shouldreport = false
}
}
} else {
log("tggetChatAdministrators: %v", err)
}
if shouldreport && m.MessageId != 0 {
report := fmt.Sprintf(
"*Message*"+NL+
"from: username:@%s id:`%d`"+NL+
"chat: username:@%s id:%d type:%s title:%s"+NL+
"chat admins: %s"+NL+
"iseditmessage:%v"+NL+
"text:"+NL+
"```"+NL+
"%s"+NL+
"```",
m.From.Username, m.From.Id,
m.Chat.Id, m.Chat.Username, m.Chat.Type, tgescape(m.Chat.Title),
chatadmins,
iseditmessage,
m.Text,
)
_, err = tgsendMessage(report, Config.TgZeChatId, "MarkdownV2", 0)
if err != nil {
log("tgsendMessage: %v", err)
continue
}
}
if strings.TrimSpace(m.Text) == "/id" {
_, err = tgsendMessage(
fmt.Sprintf("username `%s`"+NL+"user id `%d`"+NL+"chat id `%d`", m.From.Username, m.From.Id, m.Chat.Id),
m.Chat.Id, "MarkdownV2", m.MessageId,
)
if err != nil {
log("tgsendMessage: %v", err)
}
}
if strings.TrimSpace(m.Text) == Config.TgCommandChannels {
var totalchannels, removedchannels int
totalchannels = len(Config.TgAllChannelsChatIds)
for _, i := range Config.TgAllChannelsChatIds {
var err error
c, getChatErr := tggetChat(i)
if getChatErr != nil {
if strings.Contains(getChatErr.Error(), "Bad Request: chat not found") {
// Remove the channel
removedchannels += 1
continue
}
_, err = tgsendMessage(fmt.Sprintf("id:%d err:%v", i, getChatErr), m.Chat.Id, "", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
continue
}
chatinfo := c.Title
if c.Username != "" {
chatinfo += " " + fmt.Sprintf("https://t.me/%s", c.Username)
} else if c.InviteLink != "" {
chatinfo += " " + c.InviteLink
}
_, err = tgsendMessage(chatinfo, m.Chat.Id, "", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
}
totalmessage := fmt.Sprintf("Total %d channels.", totalchannels)
if removedchannels > 0 {
totalmessage += NL + fmt.Sprintf("Removed %d channels.", removedchannels)
}
_, err = tgsendMessage(totalmessage, m.Chat.Id, "", m.MessageId)
if err != nil {
log("tgsendMessage: %v", err)
}
}
if strings.TrimSpace(m.Text) == Config.TgCommandChannelsPromoteAdmin {
var total, totalok int
for _, i := range Config.TgAllChannelsChatIds {
success, err := tgpromoteChatMember(i, m.From.Id)
total++
if success != true || err != nil {
log("tgpromoteChatMember %d %d: %v", i, m.From.Id, err)
} else {
totalok++
log("tgpromoteChatMember %d %d: ok", i, m.From.Id)
}
}
_, err = tgsendMessage(fmt.Sprintf("ok for %d of total %d channels.", totalok, total), m.Chat.Id, "", m.MessageId)
if err != nil {
log("tgsendMessage: %v", err)
}
}
if strings.TrimSpace(m.Text) == Config.TgQuest1 {
_, err = tgsendMessage(Config.TgQuest1Key, m.Chat.Id, "", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
}
if strings.TrimSpace(m.Text) == Config.TgQuest2 {
_, err = tgsendMessage(Config.TgQuest2Key, m.Chat.Id, "", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
}
if strings.TrimSpace(m.Text) == Config.TgQuest3 {
_, err = tgsendMessage(Config.TgQuest3Key, m.Chat.Id, "", 0)
if err != nil {
log("tgsendMessage: %v", err)
}
}
var downloadvideo bool
if strings.HasPrefix(strings.ToLower(m.Text), "video ") || strings.HasSuffix(strings.ToLower(m.Text), " video") || strings.ToLower(prevm.Text) == "video" || strings.HasPrefix(strings.ToLower(m.Chat.Title), "vi") {
downloadvideo = true
}
prevm = m
var videos []YtVideo
if mm := YtListRe.FindStringSubmatch(m.Text); len(mm) > 1 {
videos, err = getList(mm[1])
if err != nil {
log("getList: %v", err)
continue
}
} else if mm := YtRe.FindStringSubmatch(m.Text); len(mm) > 1 {
videos = []YtVideo{YtVideo{Id: mm[1]}}
}
if len(videos) > 0 {
var postingerr error
var vinfo *ytdl.Video
for _, v := range videos {
vinfo, err = YtdlCl.GetVideoContext(Ctx, v.Id)
if err != nil {
log("ERROR GetVideoContext: %v", err)
postingerr = err
break
}
if downloadvideo {
err = postVideo(v, vinfo, m)
if err != nil {
log("ERROR postVideo: %v", err)
postingerr = err
break
}
} else {
err = postAudio(v, vinfo, m)
if err != nil {
log("ERROR postAudio: %v", err)
postingerr = err
break
}
}
if len(videos) > 3 {
time.Sleep(11 * time.Second)
}
}
if postingerr == nil {
if ischannelpost {
// TODO do not delete if playlist
err = tgdeleteMessage(m.Chat.Id, m.MessageId)
if err != nil {
log("tgdeleteMessage: %v", err)
}
}
} else {
_, err = tgsendMessage(fmt.Sprintf("ERROR %v", postingerr), m.Chat.Id, "", m.MessageId)
if err != nil {
log("tgsendMessage: %v", err)
}
}
}
}
return
}
func postVideo(v YtVideo, vinfo *ytdl.Video, m TgMessage) error {
var videoFormat, videoSmallestFormat ytdl.Format
var tgdeleteMessages []TgChatMessageId
defer func(mm *[]TgChatMessageId) {
for _, cm := range *mm {
tgdeleteMessage(cm.ChatId, cm.MessageId)
}
}(&tgdeleteMessages)
for _, f := range vinfo.Formats.WithAudioChannels() {
if !strings.Contains(f.MimeType, "/mp4") {
continue
}
fsize := f.ContentLength
if fsize == 0 {
fsize = int64(f.Bitrate / 8 * int(vinfo.Duration.Seconds()))
}
if !strings.HasPrefix(f.MimeType, "video/mp4") || f.QualityLabel == "" || f.AudioQuality == "" {
continue
}
flang := strings.ToLower(f.LanguageDisplayName())
log("format: ContentLength:%dmb Language:%#v", f.ContentLength>>20, flang)
if flang != "" {
skip := true
for _, l := range Config.YtDownloadLanguages {
if strings.Contains(flang, l) {
skip = false
}
}
if skip {
continue
}
}
if videoSmallestFormat.ItagNo == 0 || f.Bitrate < videoSmallestFormat.Bitrate {
videoSmallestFormat = f
}
if fsize < Config.TgMaxFileSizeBytes && f.Bitrate > videoFormat.Bitrate {
videoFormat = f
}
}
var targetVideoBitrateKbps int64
if videoFormat.ItagNo == 0 {
videoFormat = videoSmallestFormat
targetVideoSize := int64(Config.TgMaxFileSizeBytes - (Config.TgAudioBitrateKbps*1024*int64(vinfo.Duration.Seconds()+1))/8)
targetVideoBitrateKbps = int64(((targetVideoSize * 8) / int64(vinfo.Duration.Seconds()+1)) / 1024)
}
ytstream, ytstreamsize, err := YtdlCl.GetStreamContext(Ctx, vinfo, &videoFormat)
if err != nil {
return fmt.Errorf("GetStreamContext: %w", err)
}
defer ytstream.Close()
log(
"downloading youtu.be/%s video size:%dmb quality:%s bitrate:%dkbps duration:%s language:%#v",
v.Id,
ytstreamsize>>20,
videoFormat.QualityLabel,