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https://github.com/chris124567/hulu
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Delete client.go
This commit is contained in:
Christopher Tarry
GitHub
parent
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commit
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224
client/client.go
224
client/client.go
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package client
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import (
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"bytes"
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"crypto/aes"
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"crypto/cipher"
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"time"
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"lukechampine.com/frand"
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)
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const (
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contentTypeJSON = "application/json"
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contentTypeForm = "application/x-www-form-urlencoded"
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)
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type Client struct {
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c *http.Client
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huluSession string
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huluGUID string
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}
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// Returns a Client object that will use the provided Hulu session cookie to
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// interact with the Hulu API.
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func NewClient(c *http.Client, huluSession, huluGUID string) Client {
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return Client{c, huluSession, huluGUID}
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}
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// Returns a Client object using a default HTTP client with a timeout of 10s.
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func NewDefaultClient(huluSession, huluGUID string) Client {
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return NewClient(&http.Client{
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Timeout: 10 * time.Second,
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}, huluSession, huluGUID)
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}
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// Makes an HTTP request to a Hulu API endpoint. The only cookie Hulu validates is
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// the session cookie so we just provide it alone.
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func (c Client) request(method string, url string, data io.Reader, contentType string) (*http.Response, error) {
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request, err := http.NewRequest(method, url, data)
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if err != nil {
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return nil, err
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}
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request.Close = true
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request.Header = StandardHeaders()
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request.Header.Set("Cookie", "_hulu_session="+c.huluSession)
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if method == http.MethodPost && len(contentType) > 0 {
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request.Header.Set("Content-Type", contentType)
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}
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return c.c.Do(request)
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}
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// Queries the Hulu entity search API endpoint for shows and movies. This can
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// return content that you do not have the right subscription for (like stuff
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// requiring an HBO subscription) so be mindful of that.
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func (c Client) Search(query string) (s SearchResults, err error) {
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query = url.QueryEscape(query)
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response, err := c.request(http.MethodGet, fmt.Sprintf("https://discover.hulu.com/content/v5/search/entity?language=en&device_context_id=2&search_query=%s&limit=64&include_offsite=true&v=26e1061d-68ec-48bf-be5a-b2f704d37256&schema=1&device_info=web:3.29.0&referralHost=production&keywords=%s&type=entity&limit=64", query, query), nil, "")
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if err != nil {
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return
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}
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defer response.Body.Close()
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err = json.NewDecoder(response.Body).Decode(&s)
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return
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}
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// Returns the season information containing the episode list in a given season
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// for a given show.
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func (c Client) Season(id string, season int) (s Season, err error) {
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response, err := c.request(http.MethodGet, fmt.Sprintf("https://discover.hulu.com/content/v5/hubs/series/%s/season/%d?limit=999&schema=1&offset=0&device_info=web:3.29.0&referralHost=production", id, season), nil, "")
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if err != nil {
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return
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}
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defer response.Body.Close()
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err = json.NewDecoder(response.Body).Decode(&s)
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return
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}
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// The /config endpoint returns a large hex encoded string. This string then
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// has to be decoded using a hardcoded key from Hulu. The decoded data is JSON
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// containing a bunch of configuration options for the player. More importantly,
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// it contains the KeyID field which is needed to call Playlist.
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func (c Client) ServerConfig() (co Config, err error) {
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rv := strconv.Itoa(int(frand.Uint64n(1e6)))
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base := strings.Join([]string{hex.EncodeToString(deejayKey), strconv.Itoa(deejayDeviceID), strconv.Itoa(deejayKeyVersion), rv}, ",")
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nonce := md5.Sum([]byte(base))
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values := url.Values{}
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values.Add("app_version", strconv.Itoa(deejayKeyVersion))
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values.Add("badging", "true")
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values.Add("device", strconv.Itoa(deejayDeviceID))
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values.Add("device_id", c.huluGUID)
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values.Add("encrypted_nonce", hex.EncodeToString(nonce[:]))
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values.Add("language", "en")
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values.Add("region", "US")
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values.Add("rv", rv)
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values.Add("version", strconv.Itoa(deejayKeyVersion))
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response, err := c.request(http.MethodPost, "https://play.hulu.com/config", strings.NewReader(values.Encode()), contentTypeForm)
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if err != nil {
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return
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}
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defer response.Body.Close()
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ciphertext, err := io.ReadAll(hex.NewDecoder(response.Body))
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if err != nil {
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return
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}
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block, err := aes.NewCipher(deejayKey)
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if err != nil {
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return
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}
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dec := cipher.NewCBCDecrypter(block, make([]byte, 16))
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unpad := func(b []byte) []byte {
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if len(b) == 0 {
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return b
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}
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// pks padding is designed so that the value of all the padding bytes is
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// the number of padding bytes repeated so to figure out how many
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// padding bytes there are we can just look at the value of the last
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// byte
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// i.e if there are 6 padding bytes then it will look at like
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// <data> 0x6 0x6 0x6 0x6 0x6 0x6
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count := int(b[len(b)-1])
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return b[0 : len(b)-count]
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}
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plaintext := make([]byte, len(ciphertext))
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dec.CryptBlocks(plaintext, ciphertext)
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err = json.Unmarshal(unpad(plaintext), &co)
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return
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}
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// This allows us to get the EAB ID for a given plain ID. The EAB ID is
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// necessary to call Playlist.
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func (c Client) PlaybackInformation(id string) (p PlaybackInformation, err error) {
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response, err := c.request(http.MethodGet, fmt.Sprintf("https://discover.hulu.com/content/v5/deeplink/playback?namespace=entity&id=%s&schema=1&device_info=web:3.29.0&referralHost=production", id), nil, "")
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if err != nil {
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return
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}
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defer response.Body.Close()
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err = json.NewDecoder(response.Body).Decode(&p)
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return
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}
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// Playlist returns information containing the Widevine license endpoint,
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// the MPD file URL, and information relating to subtitles (Hulu calls them
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// transcripts).
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func (c Client) Playlist(sessionKey int, eabID string) (p Playlist, err error) {
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randUUID := func() string {
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randChars := func(n int) (s string) {
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c := []byte("ABCDEF0123456789")
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for i := 0; i < n; i++ {
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s += string(c[frand.Intn(len(c))])
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}
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return
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}
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return strings.Join([]string{randChars(8), randChars(4), randChars(4), randChars(4), randChars(12)}, "-")
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}
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playlistRequest := PlaylistRequest{
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DeviceIdentifier: c.huluGUID + ":d40b",
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DeejayDeviceID: deejayDeviceID,
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Version: deejayKeyVersion,
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AllCdn: true,
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ContentEabID: eabID,
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Region: "US",
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XlinkSupport: false,
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DeviceAdID: randUUID(),
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LimitAdTracking: false,
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IgnoreKidsBlock: false,
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Language: "en",
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GUID: c.huluGUID,
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Rv: int(frand.Uint64n(1e7)),
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Kv: sessionKey,
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Unencrypted: true,
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IncludeT2RevenueBeacon: "1",
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CpSessionID: randUUID(),
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NetworkMode: "wifi",
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PlayIntent: "resume",
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Playback: PlaylistRequestPlayback{
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Version: 2,
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Video: PlaylistRequestVideo{Codecs: PlaylistRequestCodecs{Values: []PlaylistRequestValues{{Type: "H264", Profile: "HIGH", Level: "4.1", Framerate: 30}}, SelectionMode: "ONE"}},
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Audio: PlaylistRequestAudio{Codecs: PlaylistRequestCodecs{Values: []PlaylistRequestValues{{Type: "AAC"}}, SelectionMode: "ONE"}},
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DRM: PlaylistRequestDRM{Values: []PlaylistRequestValues{{Type: "WIDEVINE", Version: "MODULAR", SecurityLevel: "L3"}}, SelectionMode: "ONE"},
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Manifest: PlaylistRequestManifest{
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Type: "DASH",
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HTTPS: true,
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MultipleCdns: true,
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PatchUpdates: true,
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HuluTypes: true,
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LiveDai: true,
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MultiplePeriods: true,
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Xlink: false,
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SecondaryAudio: true,
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LiveFragmentDelay: 3,
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},
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Segments: PlaylistRequestSegments{Values: []PlaylistRequestValues{{Type: "FMP4", Encryption: &PlaylistRequestEncryption{Mode: "CENC", Type: "CENC"}, HTTPS: true}}, SelectionMode: "ONE"},
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},
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}
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var buf bytes.Buffer
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if err = json.NewEncoder(&buf).Encode(playlistRequest); err != nil {
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return
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}
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response, err := c.request(http.MethodPost, "https://play.hulu.com/v6/playlist", &buf, contentTypeJSON)
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if err != nil {
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return
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}
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defer response.Body.Close()
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err = json.NewDecoder(response.Body).Decode(&p)
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return
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}
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