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110 lines
2.5 KiB
110 lines
2.5 KiB
// Package liveurls
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// @Time:2023/02/17 16:32
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// @File:youtube.go
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// @SoftWare:Goland
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// @Author:Popeye
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// @Contact:TG@popeyelau
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package liveurls
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import (
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"fmt"
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"io"
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"net/http"
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"strconv"
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"sync"
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"time"
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"github.com/dlclark/regexp2"
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"github.com/etherlabsio/go-m3u8/m3u8"
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)
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var streamCachedMap sync.Map
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type Youtube struct {
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//https://www.youtube.com/watch?v=cK4LemjoFd0
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//Rid: cK4LemjoFd0
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Rid string
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Quality string
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}
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func (y *Youtube) GetLiveUrl() any {
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if cached, ok := get(y.Rid); ok {
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return cached
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}
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//proxyUrl, err := url.Parse("http://127.0.0.1:8888")
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client := &http.Client{
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Timeout: time.Second * 5,
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CheckRedirect: func(req *http.Request, via []*http.Request) error {
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return http.ErrUseLastResponse
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},
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//Transport: &http.Transport{Proxy: http.ProxyURL(proxyUrl)},
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}
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r, _ := http.NewRequest("GET", fmt.Sprintf("https://m.youtube.com/watch?v=%v", y.Rid), nil)
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r.Header.Add("user-agent", "Mozilla/5.0 (iPhone; CPU iPhone OS 16_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.3 Mobile/15E148 Safari/604.1")
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resp, err := client.Do(r)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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body, _ := io.ReadAll(resp.Body)
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str := string(body)
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reg := regexp2.MustCompile(`(?<=hlsManifestUrl":").*\.m3u8`, regexp2.RE2)
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res, _ := reg.FindStringMatch(str)
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if res == nil {
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return nil
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}
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stream := res.Captures[0].String()
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quality := y.getResolution(stream)
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if quality != nil {
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return *quality
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}
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return stream
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}
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func (y *Youtube) getResolution(liveurl string) *string {
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client := &http.Client{Timeout: time.Second * 5}
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r, _ := http.NewRequest("GET", liveurl, nil)
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r.Header.Add("user-agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36")
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resp, err := client.Do(r)
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if err != nil {
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return nil
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}
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playlist, err := m3u8.Read(resp.Body)
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defer resp.Body.Close()
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if err != nil {
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return nil
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}
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playlists := playlist.Playlists()
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if len(playlists) < 1 {
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return nil
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}
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mapping := map[string]string{}
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for _, item := range playlists {
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mapping[strconv.Itoa(item.Resolution.Height)] = item.URI
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}
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if stream, ok := mapping[y.Quality]; ok {
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set(y.Rid, stream, 600)
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return &stream
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}
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stream := playlists[len(playlists)-1].URI
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set(y.Rid, stream, 600)
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return &stream
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}
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func set(key string, data interface{}, timeout int) {
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streamCachedMap.Store(key, data)
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time.AfterFunc(time.Second*time.Duration(timeout), func() {
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streamCachedMap.Delete(key)
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})
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}
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func get(key string) (interface{}, bool) {
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return streamCachedMap.Load(key)
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}
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