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update vidplay encryption (#1285)
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RowdyRushya
@ -36,88 +36,132 @@ class VidplayOnline : Vidplay() {
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@OptIn(kotlin.io.encoding.ExperimentalEncodingApi::class)
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open class Vidplay : ExtractorApi() {
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override val name = "Vidplay"
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override val mainUrl = "https://vidplay.site"
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override val requiresReferer = true
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override val name = "Vidplay"
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override val mainUrl = "https://vidplay.site"
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override val requiresReferer = true
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companion object {
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private val keySource = "https://rowdy-avocado.github.io/multi-keys/"
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companion object {
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private val keySource = "https://rowdy-avocado.github.io/multi-keys/"
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private var keys: List<String>? = null
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private var keys: KeysData? = null
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private suspend fun getKeys(): List<String> {
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return keys
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?: run {
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val res =
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app.get(keySource).parsedSafe<KeysData>()
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?: throw ErrorLoadingException("Unable to get keys")
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keys = res.keys
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res.keys
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}
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}
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private suspend fun getKeys(): KeysData {
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return keys
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?: run {
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keys = app.get(keySource).parsedSafe<KeysData>()
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?: throw ErrorLoadingException("Unable to get keys")
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keys!!
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}
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}
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}
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private data class KeysData(@JsonProperty("vidplay") val keys: List<String>)
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}
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override suspend fun getUrl(
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url: String,
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referer: String?,
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subtitleCallback: (SubtitleFile) -> Unit,
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callback: (ExtractorLink) -> Unit
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) {
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val myKeys = getKeys()
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val domain = url.substringBefore("/e/")
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val id = url.substringBefore("?").substringAfterLast("/")
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val encodedId = vrfEncrypt(myKeys, id)
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val t = url.substringAfter("t=").substringBefore("&")
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val h = rc4Encryption(myKeys.vidplay.find { it.method == "h" }?.keys?.get(0) ?: return, id)
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val mediaUrl = "$domain/mediainfo/$encodedId?t=$t&h=$h"
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val encodedRes = app.get("$mediaUrl").parsedSafe<Response>()?.result ?: throw Exception("Unable to fetch link")
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val decodedRes = vrfDecrypt(myKeys, encodedRes)
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val res = tryParseJson<Result>(decodedRes)
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res?.sources?.map {
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M3u8Helper.generateM3u8(this.name, it.file ?: return@map, "$mainUrl/").forEach(callback)
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}
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override suspend fun getUrl(
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url: String,
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referer: String?,
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subtitleCallback: (SubtitleFile) -> Unit,
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callback: (ExtractorLink) -> Unit
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) {
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val myKeys = getKeys()
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val domain = url.substringBefore("/e/")
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val id = url.substringBefore("?").substringAfterLast("/")
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val encodedId = encode(id, myKeys.get(0))
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val t = url.substringAfter("t=").substringBefore("&")
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val h = encode(id, myKeys.get(1))
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val mediaUrl = "$domain/mediainfo/$encodedId?t=$t&h=$h"
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val encodedRes =
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app.get("$mediaUrl").parsedSafe<Response>()?.result
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?: throw Exception("Unable to fetch link")
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val decodedRes = decode(encodedRes, myKeys.get(2))
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val res = tryParseJson<Result>(decodedRes)
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res?.sources?.map {
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M3u8Helper.generateM3u8(this.name, it.file ?: return@map, "$mainUrl/").forEach(callback)
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}
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res?.tracks?.filter { it.kind == "captions" }?.map {
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subtitleCallback.invoke(SubtitleFile(it.label ?: return@map, it.file ?: return@map))
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}
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}
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res?.tracks?.filter { it.kind == "captions" }?.map {
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subtitleCallback.invoke(SubtitleFile(it.label ?: return@map, it.file ?: return@map))
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}
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}
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private fun vrfEncrypt(keys: KeysData, input: String): String? {
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var vrf = input
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keys.vidplay.sortedBy { it.sequence }.forEach { step ->
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when(step.method) {
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"exchange" -> vrf = exchange(vrf, step.keys?.get(0) ?: return@forEach, step.keys?.get(1) ?: return@forEach)
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"rc4" -> vrf = rc4Encryption(step.keys?.get(0) ?: return@forEach, vrf)
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"reverse" -> vrf = vrf.reversed()
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"base64" -> vrf = Base64.UrlSafe.encode(vrf.toByteArray())
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"else" -> {}
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}
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}
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// vrf = java.net.URLEncoder.encode(vrf, "UTF-8")
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return vrf
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}
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private fun encode(input: String, key: String): String {
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val rc4Key = SecretKeySpec(key.toByteArray(Charsets.UTF_8), "RC4")
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val cipher = Cipher.getInstance("RC4")
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cipher.init(Cipher.ENCRYPT_MODE, rc4Key)
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val encryptedBytes = cipher.doFinal(input.toByteArray(Charsets.UTF_8))
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return Base64.UrlSafe.encode(encryptedBytes)
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}
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private fun vrfDecrypt(keys: KeysData, input: String): String {
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var vrf = input
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keys.vidplay.sortedByDescending { it.sequence }.forEach { step ->
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when(step.method) {
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"exchange" -> vrf = exchange(vrf, step.keys?.get(1) ?: return@forEach, step.keys?.get(0) ?: return@forEach)
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"rc4" -> vrf = rc4Decryption(step.keys?.get(0) ?: return@forEach, vrf)
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"reverse" -> vrf = vrf.reversed()
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"base64" -> vrf = Base64.UrlSafe.decode(vrf).toString(Charsets.UTF_8)
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"else" -> {}
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}
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}
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return URLDecoder.decode(vrf, "utf-8")
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}
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fun decode(input: String, key: String): String {
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val decodedBytes = Base64.UrlSafe.decode(input)
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val rc4Key = SecretKeySpec(key.toByteArray(Charsets.UTF_8), "RC4")
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val cipher = Cipher.getInstance("RC4")
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cipher.init(Cipher.DECRYPT_MODE, rc4Key)
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val decryptedBytes = cipher.doFinal(decodedBytes)
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val decodedString = String(decryptedBytes, Charsets.UTF_8)
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return URLDecoder.decode(decodedString, "UTF-8")
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}
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private fun rc4Encryption(key: String, input: String): String {
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val rc4Key = SecretKeySpec(key.toByteArray(), "RC4")
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val cipher = Cipher.getInstance("RC4")
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cipher.init(Cipher.DECRYPT_MODE, rc4Key, cipher.parameters)
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var output = cipher.doFinal(input.toByteArray())
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output = Base64.UrlSafe.encode(output).toByteArray()
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return output.toString(Charsets.UTF_8)
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}
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data class Tracks(
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@JsonProperty("file") val file: String? = null,
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@JsonProperty("label") val label: String? = null,
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@JsonProperty("kind") val kind: String? = null,
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)
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private fun rc4Decryption(key: String, input: String): String {
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var vrf = input.toByteArray()
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vrf = Base64.UrlSafe.decode(vrf)
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val rc4Key = SecretKeySpec(key.toByteArray(), "RC4")
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val cipher = Cipher.getInstance("RC4")
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cipher.init(Cipher.DECRYPT_MODE, rc4Key, cipher.parameters)
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vrf = cipher.doFinal(vrf)
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data class Sources(
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@JsonProperty("file") val file: String? = null,
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)
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return vrf.toString(Charsets.UTF_8)
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}
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private fun exchange(input: String, key1: String, key2: String): String {
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return input.map { i ->
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val index = key1.indexOf(i)
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if (index != -1) {
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key2[index]
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} else {
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i
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}
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}.joinToString("")
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}
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data class Result(
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@JsonProperty("sources") val sources: ArrayList<Sources>? = arrayListOf(),
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@JsonProperty("tracks") val tracks: ArrayList<Tracks>? = arrayListOf(),
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)
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data class Tracks(
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@JsonProperty("file") val file: String? = null,
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@JsonProperty("label") val label: String? = null,
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@JsonProperty("kind") val kind: String? = null,
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)
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data class Response(@JsonProperty("result") val result: String? = null)
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data class Sources(
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@JsonProperty("file") val file: String? = null,
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)
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data class Result(
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@JsonProperty("sources") val sources: ArrayList<Sources>? = arrayListOf(),
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@JsonProperty("tracks") val tracks: ArrayList<Tracks>? = arrayListOf(),
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)
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data class Response(@JsonProperty("result") val result: String? = null)
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data class KeysData(@JsonProperty("vidplay") val vidplay: List<Step>)
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data class Step(
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@JsonProperty("sequence") val sequence: Int,
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@JsonProperty("method") val method: String,
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@JsonProperty("keys") val keys: List<String>? = null
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)
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}
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