ytsync/sources/youtubeVideo.go
2019-08-14 04:22:59 +02:00

595 lines
16 KiB
Go

package sources
import (
"fmt"
"io/ioutil"
"math"
"os"
"os/exec"
"path/filepath"
"regexp"
"strconv"
"strings"
"sync"
"time"
"github.com/lbryio/lbry.go/extras/errors"
"github.com/lbryio/lbry.go/extras/jsonrpc"
"github.com/lbryio/lbry.go/extras/stop"
"github.com/lbryio/lbry.go/extras/util"
"github.com/lbryio/ytsync/ipManager"
"github.com/lbryio/ytsync/namer"
"github.com/lbryio/ytsync/sdk"
"github.com/lbryio/ytsync/tagsManager"
"github.com/lbryio/ytsync/thumbs"
duration "github.com/ChannelMeter/iso8601duration"
"github.com/aws/aws-sdk-go/aws"
"github.com/shopspring/decimal"
log "github.com/sirupsen/logrus"
"google.golang.org/api/youtube/v3"
)
type YoutubeVideo struct {
id string
title string
description string
playlistPosition int64
size *int64
maxVideoSize int64
maxVideoLength float64
publishedAt time.Time
dir string
youtubeInfo *youtube.Video
youtubeChannelID string
tags []string
awsConfig aws.Config
thumbnailURL string
lbryChannelID string
mocked bool
walletLock *sync.RWMutex
stopGroup *stop.Group
}
var youtubeCategories = map[string]string{
"1": "film & animation",
"2": "autos & vehicles",
"10": "music",
"15": "pets & animals",
"17": "sports",
"18": "short movies",
"19": "travel & events",
"20": "gaming",
"21": "videoblogging",
"22": "people & blogs",
"23": "comedy",
"24": "entertainment",
"25": "news & politics",
"26": "howto & style",
"27": "education",
"28": "science & technology",
"29": "nonprofits & activism",
"30": "movies",
"31": "anime/animation",
"32": "action/adventure",
"33": "classics",
"34": "comedy",
"35": "documentary",
"36": "drama",
"37": "family",
"38": "foreign",
"39": "horror",
"40": "sci-fi/fantasy",
"41": "thriller",
"42": "shorts",
"43": "shows",
"44": "trailers",
}
func NewYoutubeVideo(directory string, videoData *youtube.Video, playlistPosition int64, awsConfig aws.Config, stopGroup *stop.Group) *YoutubeVideo {
publishedAt, _ := time.Parse(time.RFC3339Nano, videoData.Snippet.PublishedAt) // ignore parse errors
return &YoutubeVideo{
id: videoData.Id,
title: videoData.Snippet.Title,
description: videoData.Snippet.Description,
playlistPosition: playlistPosition,
publishedAt: publishedAt,
dir: directory,
youtubeInfo: videoData,
awsConfig: awsConfig,
mocked: false,
youtubeChannelID: videoData.Snippet.ChannelId,
stopGroup: stopGroup,
}
}
func NewMockedVideo(directory string, videoID string, youtubeChannelID string, awsConfig aws.Config, stopGroup *stop.Group) *YoutubeVideo {
return &YoutubeVideo{
id: videoID,
playlistPosition: 0,
dir: directory,
awsConfig: awsConfig,
mocked: true,
youtubeChannelID: youtubeChannelID,
stopGroup: stopGroup,
}
}
func (v *YoutubeVideo) ID() string {
return v.id
}
func (v *YoutubeVideo) PlaylistPosition() int {
return int(v.playlistPosition)
}
func (v *YoutubeVideo) IDAndNum() string {
return v.ID() + " (" + strconv.Itoa(int(v.playlistPosition)) + " in channel)"
}
func (v *YoutubeVideo) PublishedAt() time.Time {
if v.mocked {
return time.Unix(0, 0)
}
return v.publishedAt
}
func (v *YoutubeVideo) getFullPath() string {
maxLen := 30
reg := regexp.MustCompile(`[^a-zA-Z0-9]+`)
chunks := strings.Split(strings.ToLower(strings.Trim(reg.ReplaceAllString(v.title, "-"), "-")), "-")
name := chunks[0]
if len(name) > maxLen {
name = name[:maxLen]
}
for _, chunk := range chunks[1:] {
tmpName := name + "-" + chunk
if len(tmpName) > maxLen {
if len(name) < 20 {
name = tmpName[:maxLen]
}
break
}
name = tmpName
}
if len(name) < 1 {
name = v.id
}
return v.videoDir() + "/" + name + ".mp4"
}
func (v *YoutubeVideo) getAbbrevDescription() string {
maxLength := 2800
description := strings.TrimSpace(v.description)
additionalDescription := "\nhttps://www.youtube.com/watch?v=" + v.id
khanAcademyClaimID := "5fc52291980268b82413ca4c0ace1b8d749f3ffb"
if v.lbryChannelID == khanAcademyClaimID {
additionalDescription = additionalDescription + "\nNote: All Khan Academy content is available for free at (www.khanacademy.org)"
}
if len(description) > maxLength {
description = description[:maxLength]
}
return description + "\n..." + additionalDescription
}
func (v *YoutubeVideo) download(useIPv6 bool) error {
videoPath := v.getFullPath()
err := os.Mkdir(v.videoDir(), 0777)
if err != nil && !strings.Contains(err.Error(), "file exists") {
return errors.Wrap(err, 0)
}
_, err = os.Stat(videoPath)
if err != nil && !os.IsNotExist(err) {
return errors.Err(err)
} else if err == nil {
log.Debugln(v.id + " already exists at " + videoPath)
return nil
}
qualities := []string{
"1080",
"720",
"480",
"320",
}
qualityIndex := 0
ytdlArgs := []string{
"--no-progress",
"-o" + strings.TrimSuffix(v.getFullPath(), ".mp4"),
"--merge-output-format",
"mp4",
"--postprocessor-args",
"-movflags faststart",
"--abort-on-unavailable-fragment",
"--fragment-retries",
"0",
}
if v.maxVideoSize > 0 {
ytdlArgs = append(ytdlArgs,
"--max-filesize",
fmt.Sprintf("%dM", v.maxVideoSize),
)
}
if v.maxVideoLength > 0 {
ytdlArgs = append(ytdlArgs,
"--match-filter",
fmt.Sprintf("duration <= %d", int(math.Round(v.maxVideoLength*3600))),
)
}
sourceAddress, err := ipManager.GetNextIP(useIPv6)
if err != nil {
if sourceAddress == "throttled" {
for {
select {
case <-v.stopGroup.Ch():
return errors.Err("interrupted by user")
default:
}
time.Sleep(ipManager.IPCooldownPeriod)
sourceAddress, err = ipManager.GetNextIP(useIPv6)
if err == nil {
break
}
}
} else {
return errors.Err(err)
}
}
defer ipManager.ReleaseIP(sourceAddress)
if useIPv6 {
log.Infof("using IPv6: %s", sourceAddress)
ytdlArgs = append(ytdlArgs,
"-6",
"--source-address",
sourceAddress,
)
} else {
log.Infof("using IPv4: %s", sourceAddress)
ytdlArgs = append(ytdlArgs,
"-4",
"--source-address",
sourceAddress,
)
}
ytdlArgs = append(ytdlArgs, "https://www.youtube.com/watch?v="+v.ID())
runcmd:
argsWithFilters := append(ytdlArgs, "-fbestvideo[ext=mp4][height<="+qualities[qualityIndex]+"]+bestaudio[ext!=webm]")
cmd := exec.Command("youtube-dl", argsWithFilters...)
log.Printf("Running command youtube-dl %s", strings.Join(argsWithFilters, " "))
stderr, err := cmd.StderrPipe()
if err != nil {
return errors.Err(err)
}
stdout, err := cmd.StdoutPipe()
if err != nil {
return errors.Err(err)
}
if err := cmd.Start(); err != nil {
return errors.Err(err)
}
errorLog, _ := ioutil.ReadAll(stderr)
outLog, _ := ioutil.ReadAll(stdout)
if err = cmd.Wait(); err != nil {
if strings.Contains(err.Error(), "exit status 1") {
if strings.Contains(string(errorLog), "HTTP Error 429") {
ipManager.SetIpThrottled(sourceAddress, v.stopGroup)
} else if strings.Contains(string(errorLog), "giving up after 0 fragment retries") && qualityIndex < len(qualities)-1 {
qualityIndex++
goto runcmd
}
return errors.Err(string(errorLog))
}
return errors.Err(err)
}
log.Debugln(string(outLog))
if strings.Contains(string(outLog), "does not pass filter duration") {
_ = v.delete("does not pass filter duration")
return errors.Err("video is too long to process")
}
if strings.Contains(string(outLog), "File is larger than max-filesize") {
_ = v.delete("File is larger than max-filesize")
return errors.Err("the video is too big to sync, skipping for now")
}
if string(errorLog) != "" {
log.Printf("Command finished with error: %v", errors.Err(string(errorLog)))
_ = v.delete("due to error")
return errors.Err(string(errorLog))
}
fi, err := os.Stat(v.getFullPath())
if err != nil {
return errors.Err(err)
}
err = os.Chmod(v.getFullPath(), 0777)
if err != nil {
return errors.Err(err)
}
videoSize := fi.Size()
v.size = &videoSize
return nil
}
func (v *YoutubeVideo) videoDir() string {
return v.dir + "/" + v.id
}
func (v *YoutubeVideo) getDownloadedPath() (string, error) {
files, err := ioutil.ReadDir(v.videoDir())
log.Infoln(v.videoDir())
if err != nil {
err = errors.Prefix("list error", err)
log.Errorln(err)
return "", err
}
for _, f := range files {
if f.IsDir() {
continue
}
if strings.Contains(v.getFullPath(), strings.TrimSuffix(f.Name(), filepath.Ext(f.Name()))) {
return v.videoDir() + "/" + f.Name(), nil
}
}
return "", errors.Err("could not find any downloaded videos")
}
func (v *YoutubeVideo) delete(reason string) error {
videoPath, err := v.getDownloadedPath()
if err != nil {
log.Errorln(err)
return err
}
err = os.Remove(videoPath)
log.Debugf("%s deleted from disk for '%s' (%s)", v.id, reason, videoPath)
if err != nil {
err = errors.Prefix("delete error", err)
log.Errorln(err)
return err
}
return nil
}
func (v *YoutubeVideo) triggerThumbnailSave() (err error) {
thumbnail := thumbs.GetBestThumbnail(v.youtubeInfo.Snippet.Thumbnails)
v.thumbnailURL, err = thumbs.MirrorThumbnail(thumbnail.Url, v.ID(), v.awsConfig)
return err
}
func (v *YoutubeVideo) publish(daemon *jsonrpc.Client, params SyncParams) (*SyncSummary, error) {
languages, locations, tags := v.getMetadata()
var fee *jsonrpc.Fee
if params.Fee != nil {
feeAmount, err := decimal.NewFromString(params.Fee.Amount)
if err != nil {
return nil, errors.Err(err)
}
fee = &jsonrpc.Fee{
FeeAddress: &params.Fee.Address,
FeeAmount: feeAmount,
FeeCurrency: jsonrpc.Currency(params.Fee.Currency),
}
}
options := jsonrpc.StreamCreateOptions{
ClaimCreateOptions: jsonrpc.ClaimCreateOptions{
Title: &v.title,
Description: util.PtrToString(v.getAbbrevDescription()),
ClaimAddress: &params.ClaimAddress,
Languages: languages,
ThumbnailURL: &v.thumbnailURL,
Tags: tags,
Locations: locations,
},
Fee: fee,
License: util.PtrToString("Copyrighted (contact publisher)"),
ReleaseTime: util.PtrToInt64(v.publishedAt.Unix()),
ChannelID: &v.lbryChannelID,
}
downloadPath, err := v.getDownloadedPath()
if err != nil {
return nil, err
}
return publishAndRetryExistingNames(daemon, v.title, downloadPath, params.Amount, options, params.Namer, v.walletLock)
}
func (v *YoutubeVideo) Size() *int64 {
return v.size
}
type SyncParams struct {
ClaimAddress string
Amount float64
ChannelID string
MaxVideoSize int
Namer *namer.Namer
MaxVideoLength float64
Fee *sdk.Fee
}
func (v *YoutubeVideo) Sync(daemon *jsonrpc.Client, params SyncParams, existingVideoData *sdk.SyncedVideo, reprocess bool, walletLock *sync.RWMutex) (*SyncSummary, error) {
v.maxVideoSize = int64(params.MaxVideoSize)
v.maxVideoLength = params.MaxVideoLength
v.lbryChannelID = params.ChannelID
v.walletLock = walletLock
if reprocess && existingVideoData != nil && existingVideoData.Published {
summary, err := v.reprocess(daemon, params, existingVideoData)
return summary, errors.Prefix("upgrade failed", err)
}
return v.downloadAndPublish(daemon, params)
}
var isThrottled bool
func (v *YoutubeVideo) downloadAndPublish(daemon *jsonrpc.Client, params SyncParams) (*SyncSummary, error) {
err := v.download(isThrottled)
if err != nil {
if strings.Contains(err.Error(), "HTTP Error 429") && !isThrottled {
isThrottled = true
err = v.download(isThrottled)
if err != nil {
return nil, errors.Prefix("download error", err)
}
} else {
return nil, errors.Prefix("download error", err)
}
}
log.Debugln("Downloaded " + v.id)
err = v.triggerThumbnailSave()
if err != nil {
return nil, errors.Prefix("thumbnail error", err)
}
log.Debugln("Created thumbnail for " + v.id)
summary, err := v.publish(daemon, params)
//delete the video in all cases (and ignore the error)
_ = v.delete("finished download and publish")
return summary, errors.Prefix("publish error", err)
}
func (v *YoutubeVideo) getMetadata() (languages []string, locations []jsonrpc.Location, tags []string) {
languages = nil
locations = nil
tags = nil
if !v.mocked {
if v.youtubeInfo.Snippet.DefaultLanguage != "" {
languages = []string{v.youtubeInfo.Snippet.DefaultLanguage}
}
if v.youtubeInfo.RecordingDetails != nil && v.youtubeInfo.RecordingDetails.Location != nil {
locations = []jsonrpc.Location{{
Latitude: util.PtrToString(fmt.Sprintf("%.7f", v.youtubeInfo.RecordingDetails.Location.Latitude)),
Longitude: util.PtrToString(fmt.Sprintf("%.7f", v.youtubeInfo.RecordingDetails.Location.Longitude)),
}}
}
tags = v.youtubeInfo.Snippet.Tags
}
tags, err := tagsManager.SanitizeTags(tags, v.youtubeChannelID)
if err != nil {
log.Errorln(err.Error())
}
if !v.mocked {
tags = append(tags, youtubeCategories[v.youtubeInfo.Snippet.CategoryId])
}
return languages, locations, tags
}
func (v *YoutubeVideo) reprocess(daemon *jsonrpc.Client, params SyncParams, existingVideoData *sdk.SyncedVideo) (*SyncSummary, error) {
c, err := daemon.ClaimSearch(nil, &existingVideoData.ClaimID, nil, nil)
if err != nil {
return nil, errors.Err(err)
}
if len(c.Claims) == 0 {
return nil, errors.Err("cannot reprocess: no claim found for this video")
} else if len(c.Claims) > 1 {
return nil, errors.Err("cannot reprocess: too many claims. claimID: %s", existingVideoData.ClaimID)
}
currentClaim := c.Claims[0]
languages, locations, tags := v.getMetadata()
thumbnailURL := ""
if currentClaim.Value.GetThumbnail() == nil {
if v.mocked {
return nil, errors.Err("could not find thumbnail for mocked video")
}
thumbnail := thumbs.GetBestThumbnail(v.youtubeInfo.Snippet.Thumbnails)
thumbnailURL, err = thumbs.MirrorThumbnail(thumbnail.Url, v.ID(), v.awsConfig)
} else {
thumbnailURL = thumbs.ThumbnailEndpoint + v.ID()
}
videoSize, err := currentClaim.GetStreamSizeByMagic()
if err != nil {
if existingVideoData.Size > 0 {
videoSize = uint64(existingVideoData.Size)
} else {
log.Infof("%s: the video must be republished as we can't get the right size", v.ID())
//return v.downloadAndPublish(daemon, params) //TODO: actually republish the video. NB: the current claim should be abandoned first
return nil, errors.Err("the video must be republished as we can't get the right size")
}
}
v.size = util.PtrToInt64(int64(videoSize))
var fee *jsonrpc.Fee
if params.Fee != nil {
feeAmount, err := decimal.NewFromString(params.Fee.Amount)
if err != nil {
return nil, errors.Err(err)
}
fee = &jsonrpc.Fee{
FeeAddress: &params.Fee.Address,
FeeAmount: feeAmount,
FeeCurrency: jsonrpc.Currency(params.Fee.Currency),
}
}
streamCreateOptions := &jsonrpc.StreamCreateOptions{
ClaimCreateOptions: jsonrpc.ClaimCreateOptions{
Tags: tags,
ThumbnailURL: &thumbnailURL,
Languages: languages,
Locations: locations,
},
Author: util.PtrToString(""),
License: util.PtrToString("Copyrighted (contact publisher)"),
ChannelID: &v.lbryChannelID,
Height: util.PtrToUint(720),
Width: util.PtrToUint(1280),
Fee: fee,
}
v.walletLock.RLock()
defer v.walletLock.RUnlock()
if v.mocked {
pr, err := daemon.StreamUpdate(existingVideoData.ClaimID, jsonrpc.StreamUpdateOptions{
StreamCreateOptions: streamCreateOptions,
FileSize: &videoSize,
})
if err != nil {
return nil, err
}
return &SyncSummary{
ClaimID: pr.Outputs[0].ClaimID,
ClaimName: pr.Outputs[0].Name,
}, nil
}
videoDuration, err := duration.FromString(v.youtubeInfo.ContentDetails.Duration)
if err != nil {
return nil, errors.Err(err)
}
streamCreateOptions.ClaimCreateOptions.Title = &v.title
streamCreateOptions.ClaimCreateOptions.Description = util.PtrToString(v.getAbbrevDescription())
streamCreateOptions.Duration = util.PtrToUint64(uint64(math.Ceil(videoDuration.ToDuration().Seconds())))
streamCreateOptions.ReleaseTime = util.PtrToInt64(v.publishedAt.Unix())
pr, err := daemon.StreamUpdate(existingVideoData.ClaimID, jsonrpc.StreamUpdateOptions{
ClearLanguages: util.PtrToBool(true),
ClearLocations: util.PtrToBool(true),
ClearTags: util.PtrToBool(true),
StreamCreateOptions: streamCreateOptions,
FileSize: &videoSize,
})
if err != nil {
return nil, err
}
return &SyncSummary{
ClaimID: pr.Outputs[0].ClaimID,
ClaimName: pr.Outputs[0].Name,
}, nil
}