564 lines
15 KiB
Go
564 lines
15 KiB
Go
package sources
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import (
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"fmt"
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"io/ioutil"
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"math"
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"net"
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"os"
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"os/exec"
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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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"sync"
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"time"
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"github.com/lbryio/lbry.go/extras/errors"
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"github.com/lbryio/lbry.go/extras/jsonrpc"
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"github.com/lbryio/lbry.go/extras/util"
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"github.com/lbryio/ytsync/namer"
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"github.com/lbryio/ytsync/sdk"
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"github.com/lbryio/ytsync/tagsManager"
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"github.com/lbryio/ytsync/thumbs"
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"github.com/ChannelMeter/iso8601duration"
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"github.com/asaskevich/govalidator"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/shopspring/decimal"
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log "github.com/sirupsen/logrus"
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"google.golang.org/api/youtube/v3"
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)
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type YoutubeVideo struct {
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id string
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title string
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description string
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playlistPosition int64
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size *int64
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maxVideoSize int64
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maxVideoLength float64
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publishedAt time.Time
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dir string
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youtubeInfo *youtube.Video
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youtubeChannelID string
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tags []string
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awsConfig aws.Config
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thumbnailURL string
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lbryChannelID string
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mocked bool
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walletLock *sync.RWMutex
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}
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const reflectorURL = "http://blobs.lbry.io/"
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var youtubeCategories = map[string]string{
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"1": "film & animation",
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"2": "autos & vehicles",
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"10": "music",
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"15": "pets & animals",
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"17": "sports",
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"18": "short movies",
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"19": "travel & events",
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"20": "gaming",
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"21": "videoblogging",
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"22": "people & blogs",
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"23": "comedy",
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"24": "entertainment",
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"25": "news & politics",
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"26": "howto & style",
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"27": "education",
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"28": "science & technology",
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"29": "nonprofits & activism",
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"30": "movies",
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"31": "anime/animation",
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"32": "action/adventure",
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"33": "classics",
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"34": "comedy",
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"35": "documentary",
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"36": "drama",
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"37": "family",
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"38": "foreign",
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"39": "horror",
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"40": "sci-fi/fantasy",
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"41": "thriller",
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"42": "shorts",
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"43": "shows",
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"44": "trailers",
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}
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func NewYoutubeVideo(directory string, videoData *youtube.Video, playlistPosition int64, awsConfig aws.Config) *YoutubeVideo {
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publishedAt, _ := time.Parse(time.RFC3339Nano, videoData.Snippet.PublishedAt) // ignore parse errors
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return &YoutubeVideo{
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id: videoData.Id,
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title: videoData.Snippet.Title,
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description: videoData.Snippet.Description,
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playlistPosition: playlistPosition,
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publishedAt: publishedAt,
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dir: directory,
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youtubeInfo: videoData,
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awsConfig: awsConfig,
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mocked: false,
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youtubeChannelID: videoData.Snippet.ChannelId,
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}
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}
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func NewMockedVideo(directory string, videoID string, youtubeChannelID string, awsConfig aws.Config) *YoutubeVideo {
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return &YoutubeVideo{
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id: videoID,
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playlistPosition: 0,
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dir: directory,
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awsConfig: awsConfig,
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mocked: true,
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youtubeChannelID: youtubeChannelID,
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}
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}
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func (v *YoutubeVideo) ID() string {
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return v.id
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}
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func (v *YoutubeVideo) PlaylistPosition() int {
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return int(v.playlistPosition)
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}
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func (v *YoutubeVideo) IDAndNum() string {
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return v.ID() + " (" + strconv.Itoa(int(v.playlistPosition)) + " in channel)"
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}
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func (v *YoutubeVideo) PublishedAt() time.Time {
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if v.mocked {
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return time.Unix(0, 0)
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}
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return v.publishedAt
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}
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func (v *YoutubeVideo) getFullPath() string {
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maxLen := 30
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reg := regexp.MustCompile(`[^a-zA-Z0-9]+`)
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chunks := strings.Split(strings.ToLower(strings.Trim(reg.ReplaceAllString(v.title, "-"), "-")), "-")
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name := chunks[0]
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if len(name) > maxLen {
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name = name[:maxLen]
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}
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for _, chunk := range chunks[1:] {
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tmpName := name + "-" + chunk
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if len(tmpName) > maxLen {
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if len(name) < 20 {
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name = tmpName[:maxLen]
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}
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break
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}
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name = tmpName
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}
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if len(name) < 1 {
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name = v.id
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}
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return v.videoDir() + "/" + name + ".mp4"
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}
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func (v *YoutubeVideo) getAbbrevDescription() string {
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maxLines := 10
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description := strings.TrimSpace(v.description)
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additionalDescription := "\nhttps://www.youtube.com/watch?v=" + v.id
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khanAcademyClaimID := "5fc52291980268b82413ca4c0ace1b8d749f3ffb"
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if v.lbryChannelID == khanAcademyClaimID {
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additionalDescription = additionalDescription + "\nNote: All Khan Academy content is available for free at (www.khanacademy.org)"
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}
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if strings.Count(description, "\n") < maxLines {
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return description + "\n..." + additionalDescription
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}
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return strings.Join(strings.Split(description, "\n")[:maxLines], "\n") + "\n..." + additionalDescription
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}
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var ipPool []string
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var IPIndex int
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var ipMutex sync.Mutex
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func getNextIP() (string, error) {
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ipMutex.Lock()
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defer ipMutex.Unlock()
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if len(ipPool) < 1 {
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IPIndex = 0
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", errors.Err(err)
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}
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for _, address := range addrs {
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To16() != nil && govalidator.IsIPv6(ipnet.IP.String()) {
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ipPool = append(ipPool, ipnet.IP.String())
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}
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}
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}
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}
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nextIP := ipPool[IPIndex]
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if IPIndex == len(ipPool)-1 {
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IPIndex = 0
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} else {
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IPIndex++
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}
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return nextIP, nil
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}
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func (v *YoutubeVideo) download(youtubeAntiThrottle bool) error {
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videoPath := v.getFullPath()
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err := os.Mkdir(v.videoDir(), 0750)
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if err != nil && !strings.Contains(err.Error(), "file exists") {
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return errors.Wrap(err, 0)
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}
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_, err = os.Stat(videoPath)
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if err != nil && !os.IsNotExist(err) {
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return errors.Err(err)
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} else if err == nil {
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log.Debugln(v.id + " already exists at " + videoPath)
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return nil
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}
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useIPv4Env := os.Getenv("USE_IPV4")
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ytdlArgs := []string{
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"--no-progress",
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"--max-filesize",
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fmt.Sprintf("%dM", v.maxVideoSize),
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"-fbestvideo[ext=mp4][height<=1080]+bestaudio[ext!=webm]",
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"-o" + strings.TrimRight(v.getFullPath(), ".mp4"),
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"--merge-output-format",
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"mp4",
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}
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useIPv4 := useIPv4Env != ""
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if !useIPv4 || youtubeAntiThrottle {
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sourceAddress, err := getNextIP()
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if err != nil {
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return errors.Err(err)
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}
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log.Infof("using IPv6: %s", sourceAddress)
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ytdlArgs = append(ytdlArgs,
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"-6",
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"--source-address",
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sourceAddress,
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)
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} else {
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log.Infoln("using IPv4")
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ytdlArgs = append(ytdlArgs, "-4")
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}
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ytdlArgs = append(ytdlArgs, "https://www.youtube.com/watch?v="+v.ID())
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cmd := exec.Command("youtube-dl", ytdlArgs...)
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log.Printf("Running command and waiting for it to finish...")
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return errors.Err(err)
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}
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return errors.Err(err)
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}
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if err := cmd.Start(); err != nil {
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return errors.Err(err)
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}
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errorLog, _ := ioutil.ReadAll(stderr)
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outLog, _ := ioutil.ReadAll(stdout)
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if err = cmd.Wait(); err != nil {
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if strings.Contains(err.Error(), "exit status 1") {
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return errors.Err(string(errorLog))
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}
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return errors.Err(err)
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}
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log.Debugln(string(outLog))
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if string(errorLog) != "" {
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log.Printf("Command finished with error: %v", errors.Err(string(errorLog)))
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_ = v.delete()
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return errors.Err(string(errorLog))
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}
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fi, err := os.Stat(v.getFullPath())
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if err != nil {
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return errors.Err(err)
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}
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videoSize := fi.Size()
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v.size = &videoSize
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return nil
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}
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func (v *YoutubeVideo) videoDir() string {
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return v.dir + "/" + v.id
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}
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func (v *YoutubeVideo) getDownloadedPath() (string, error) {
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files, err := ioutil.ReadDir(v.videoDir())
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log.Infoln(v.videoDir())
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if err != nil {
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err = errors.Prefix("list error", err)
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log.Errorln(err)
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return "", err
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}
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for _, f := range files {
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if f.IsDir() {
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continue
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}
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if strings.Contains(v.getFullPath(), strings.TrimSuffix(f.Name(), filepath.Ext(f.Name()))) {
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return v.videoDir() + "/" + f.Name(), nil
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}
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}
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return "", errors.Err("could not find any downloaded videos")
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}
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func (v *YoutubeVideo) delete() error {
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videoPath, err := v.getDownloadedPath()
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if err != nil {
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log.Errorln(err)
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return err
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}
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err = os.Remove(videoPath)
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log.Debugf("%s deleted from disk (%s)", v.id, videoPath)
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if err != nil {
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err = errors.Prefix("delete error", err)
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log.Errorln(err)
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return err
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}
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return nil
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}
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func (v *YoutubeVideo) triggerThumbnailSave() (err error) {
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thumbnail := thumbs.GetBestThumbnail(v.youtubeInfo.Snippet.Thumbnails)
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v.thumbnailURL, err = thumbs.MirrorThumbnail(thumbnail.Url, v.ID(), v.awsConfig)
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return err
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}
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func (v *YoutubeVideo) publish(daemon *jsonrpc.Client, params SyncParams) (*SyncSummary, error) {
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languages, locations, tags := v.getMetadata()
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var fee *jsonrpc.Fee
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if params.Fee != nil {
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feeAmount, err := decimal.NewFromString(params.Fee.Amount)
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if err != nil {
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return nil, errors.Err(err)
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}
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fee = &jsonrpc.Fee{
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FeeAddress: ¶ms.Fee.Address,
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FeeAmount: feeAmount,
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FeeCurrency: jsonrpc.Currency(params.Fee.Currency),
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}
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}
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options := jsonrpc.StreamCreateOptions{
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ClaimCreateOptions: jsonrpc.ClaimCreateOptions{
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Title: &v.title,
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Description: util.PtrToString(v.getAbbrevDescription()),
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ClaimAddress: ¶ms.ClaimAddress,
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Languages: languages,
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ThumbnailURL: &v.thumbnailURL,
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Tags: tags,
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Locations: locations,
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},
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Fee: fee,
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License: util.PtrToString("Copyrighted (contact publisher)"),
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ReleaseTime: util.PtrToInt64(v.publishedAt.Unix()),
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ChannelID: &v.lbryChannelID,
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}
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downloadPath, err := v.getDownloadedPath()
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if err != nil {
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return nil, err
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}
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return publishAndRetryExistingNames(daemon, v.title, downloadPath, params.Amount, options, params.Namer, v.walletLock)
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}
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func (v *YoutubeVideo) Size() *int64 {
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return v.size
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}
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type SyncParams struct {
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ClaimAddress string
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Amount float64
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ChannelID string
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MaxVideoSize int
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Namer *namer.Namer
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MaxVideoLength float64
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Fee *sdk.Fee
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}
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func (v *YoutubeVideo) Sync(daemon *jsonrpc.Client, params SyncParams, existingVideoData *sdk.SyncedVideo, reprocess bool, walletLock *sync.RWMutex) (*SyncSummary, error) {
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v.maxVideoSize = int64(params.MaxVideoSize)
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v.maxVideoLength = params.MaxVideoLength
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v.lbryChannelID = params.ChannelID
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v.walletLock = walletLock
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if reprocess && existingVideoData != nil && existingVideoData.Published {
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summary, err := v.reprocess(daemon, params, existingVideoData)
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return summary, errors.Prefix("upgrade failed", err)
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}
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return v.downloadAndPublish(daemon, params)
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}
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func (v *YoutubeVideo) downloadAndPublish(daemon *jsonrpc.Client, params SyncParams) (*SyncSummary, error) {
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err := v.download(false)
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if err != nil {
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if strings.Contains(err.Error(), "HTTP Error 429") {
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err = v.download(true)
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if err != nil {
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return nil, errors.Prefix("download error", err)
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}
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} else {
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return nil, errors.Prefix("download error", err)
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}
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}
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log.Debugln("Downloaded " + v.id)
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err = v.triggerThumbnailSave()
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if err != nil {
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return nil, errors.Prefix("thumbnail error", err)
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}
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log.Debugln("Created thumbnail for " + v.id)
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summary, err := v.publish(daemon, params)
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//delete the video in all cases (and ignore the error)
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_ = v.delete()
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return summary, errors.Prefix("publish error", err)
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}
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func (v *YoutubeVideo) getMetadata() (languages []string, locations []jsonrpc.Location, tags []string) {
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languages = nil
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locations = nil
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tags = nil
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if !v.mocked {
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if v.youtubeInfo.Snippet.DefaultLanguage != "" {
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languages = []string{v.youtubeInfo.Snippet.DefaultLanguage}
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}
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if v.youtubeInfo.RecordingDetails != nil && v.youtubeInfo.RecordingDetails.Location != nil {
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locations = []jsonrpc.Location{{
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Latitude: util.PtrToString(fmt.Sprintf("%.7f", v.youtubeInfo.RecordingDetails.Location.Latitude)),
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Longitude: util.PtrToString(fmt.Sprintf("%.7f", v.youtubeInfo.RecordingDetails.Location.Longitude)),
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}}
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}
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tags = v.youtubeInfo.Snippet.Tags
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}
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tags, err := tagsManager.SanitizeTags(tags, v.youtubeChannelID)
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if err != nil {
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log.Errorln(err.Error())
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}
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if !v.mocked {
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tags = append(tags, youtubeCategories[v.youtubeInfo.Snippet.CategoryId])
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}
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return languages, locations, tags
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}
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func (v *YoutubeVideo) reprocess(daemon *jsonrpc.Client, params SyncParams, existingVideoData *sdk.SyncedVideo) (*SyncSummary, error) {
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c, err := daemon.ClaimSearch(nil, &existingVideoData.ClaimID, nil, nil)
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if err != nil {
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return nil, errors.Err(err)
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}
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if len(c.Claims) == 0 {
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return nil, errors.Err("cannot reprocess: no claim found for this video")
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} else if len(c.Claims) > 1 {
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return nil, errors.Err("cannot reprocess: too many claims. claimID: %s", existingVideoData.ClaimID)
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}
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currentClaim := c.Claims[0]
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languages, locations, tags := v.getMetadata()
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thumbnailURL := ""
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if currentClaim.Value.GetThumbnail() == nil {
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if v.mocked {
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return nil, errors.Err("could not find thumbnail for mocked video")
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}
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thumbnail := thumbs.GetBestThumbnail(v.youtubeInfo.Snippet.Thumbnails)
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thumbnailURL, err = thumbs.MirrorThumbnail(thumbnail.Url, v.ID(), v.awsConfig)
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} else {
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thumbnailURL = thumbs.ThumbnailEndpoint + v.ID()
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}
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videoSize, err := currentClaim.GetStreamSizeByMagic()
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if err != nil {
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if existingVideoData.Size > 0 {
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videoSize = uint64(existingVideoData.Size)
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} else {
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log.Infof("%s: the video must be republished as we can't get the right size", v.ID())
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//return v.downloadAndPublish(daemon, params) //TODO: actually republish the video. NB: the current claim should be abandoned first
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return nil, errors.Err("the video must be republished as we can't get the right size")
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}
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}
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v.size = util.PtrToInt64(int64(videoSize))
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var fee *jsonrpc.Fee
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if params.Fee != nil {
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feeAmount, err := decimal.NewFromString(params.Fee.Amount)
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if err != nil {
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return nil, errors.Err(err)
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}
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fee = &jsonrpc.Fee{
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FeeAddress: ¶ms.Fee.Address,
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FeeAmount: feeAmount,
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FeeCurrency: jsonrpc.Currency(params.Fee.Currency),
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}
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}
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streamCreateOptions := &jsonrpc.StreamCreateOptions{
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ClaimCreateOptions: jsonrpc.ClaimCreateOptions{
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Tags: tags,
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ThumbnailURL: &thumbnailURL,
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Languages: languages,
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Locations: locations,
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},
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Author: util.PtrToString(""),
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License: util.PtrToString("Copyrighted (contact publisher)"),
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ChannelID: &v.lbryChannelID,
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|
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
|
|
}
|