cloudstream-extensions-hexated/Kickassanime/src/main/kotlin/com/hexated/GogoExtractor.kt

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Kotlin
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2023-01-18 05:49:15 +00:00
package com.hexated
import com.fasterxml.jackson.annotation.JsonProperty
import com.lagradost.cloudstream3.app
import com.lagradost.cloudstream3.base64Decode
import com.lagradost.cloudstream3.base64DecodeArray
import com.lagradost.cloudstream3.base64Encode
import com.lagradost.cloudstream3.mvvm.normalSafeApiCall
import com.lagradost.cloudstream3.mvvm.safeApiCall
import com.lagradost.cloudstream3.utils.AppUtils
import com.lagradost.cloudstream3.utils.ExtractorLink
import com.lagradost.cloudstream3.utils.M3u8Helper
import com.lagradost.cloudstream3.utils.getQualityFromName
import org.jsoup.nodes.Document
import java.net.URI
import javax.crypto.Cipher
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
object GogoExtractor {
/**
* @param id base64Decode(show_id) + IV
* @return the encryption key
* */
private fun getKey(id: String): String? {
return normalSafeApiCall {
id.map {
it.code.toString(16)
}.joinToString("").substring(0, 32)
}
}
// https://github.com/saikou-app/saikou/blob/3e756bd8e876ad7a9318b17110526880525a5cd3/app/src/main/java/ani/saikou/anime/source/extractors/GogoCDN.kt#L60
// No Licence on the function
private fun cryptoHandler(
string: String,
iv: String,
secretKeyString: String,
encrypt: Boolean = true
): String {
//println("IV: $iv, Key: $secretKeyString, encrypt: $encrypt, Message: $string")
val ivParameterSpec = IvParameterSpec(iv.toByteArray())
val secretKey = SecretKeySpec(secretKeyString.toByteArray(), "AES")
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
return if (!encrypt) {
cipher.init(Cipher.DECRYPT_MODE, secretKey, ivParameterSpec)
String(cipher.doFinal(base64DecodeArray(string)))
} else {
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivParameterSpec)
base64Encode(cipher.doFinal(string.toByteArray()))
}
}
/**
* @param iframeUrl something like https://gogoplay4.com/streaming.php?id=XXXXXX
* @param mainApiName used for ExtractorLink names and source
* @param iv secret iv from site, required non-null if isUsingAdaptiveKeys is off
* @param secretKey secret key for decryption from site, required non-null if isUsingAdaptiveKeys is off
* @param secretDecryptKey secret key to decrypt the response json, required non-null if isUsingAdaptiveKeys is off
* @param isUsingAdaptiveKeys generates keys from IV and ID, see getKey()
* @param isUsingAdaptiveData generate encrypt-ajax data based on $("script[data-name='episode']")[0].dataset.value
* */
suspend fun extractVidstream(
iframeUrl: String,
mainApiName: String,
callback: (ExtractorLink) -> Unit,
iv: String?,
secretKey: String?,
secretDecryptKey: String?,
// This could be removed, but i prefer it verbose
isUsingAdaptiveKeys: Boolean,
isUsingAdaptiveData: Boolean,
// If you don't want to re-fetch the document
iframeDocument: Document? = null
) = safeApiCall {
// https://github.com/saikou-app/saikou/blob/3e756bd8e876ad7a9318b17110526880525a5cd3/app/src/main/java/ani/saikou/anime/source/extractors/GogoCDN.kt
// No Licence on the following code
// Also modified of https://github.com/jmir1/aniyomi-extensions/blob/master/src/en/gogoanime/src/eu/kanade/tachiyomi/animeextension/en/gogoanime/extractors/GogoCdnExtractor.kt
// License on the code above https://github.com/jmir1/aniyomi-extensions/blob/master/LICENSE
if ((iv == null || secretKey == null || secretDecryptKey == null) && !isUsingAdaptiveKeys)
return@safeApiCall
val id = Regex("id=([^&]+)").find(iframeUrl)!!.value.removePrefix("id=")
var document: Document? = iframeDocument
val foundIv =
iv ?: (document ?: app.get(iframeUrl).document.also { document = it })
.select("""div.wrapper[class*=container]""")
.attr("class").split("-").lastOrNull() ?: return@safeApiCall
val foundKey = secretKey ?: getKey(base64Decode(id) + foundIv) ?: return@safeApiCall
val foundDecryptKey = secretDecryptKey ?: foundKey
val uri = URI(iframeUrl)
val mainUrl = "https://" + uri.host
val encryptedId = cryptoHandler(id, foundIv, foundKey)
val encryptRequestData = if (isUsingAdaptiveData) {
// Only fetch the document if necessary
val realDocument = document ?: app.get(iframeUrl).document
val dataEncrypted =
realDocument.select("script[data-name='episode']").attr("data-value")
val headers = cryptoHandler(dataEncrypted, foundIv, foundKey, false)
"id=$encryptedId&alias=$id&" + headers.substringAfter("&")
} else {
"id=$encryptedId&alias=$id"
}
val jsonResponse =
app.get(
"$mainUrl/encrypt-ajax.php?$encryptRequestData",
headers = mapOf("X-Requested-With" to "XMLHttpRequest")
)
val dataencrypted =
jsonResponse.text.substringAfter("{\"data\":\"").substringBefore("\"}")
val datadecrypted = cryptoHandler(dataencrypted, foundIv, foundDecryptKey, false)
val sources = AppUtils.parseJson<GogoSources>(datadecrypted)
suspend fun invokeGogoSource(
source: GogoSource,
sourceCallback: (ExtractorLink) -> Unit
) {
if (source.file.contains(".m3u8")) {
M3u8Helper.generateM3u8(
mainApiName,
source.file,
mainUrl,
headers = mapOf("Origin" to "https://plyr.link")
).forEach(sourceCallback)
} else {
sourceCallback.invoke(
ExtractorLink(
mainApiName,
mainApiName,
source.file,
mainUrl,
getQualityFromName(source.label),
)
)
}
}
sources.source?.forEach {
invokeGogoSource(it, callback)
}
sources.sourceBk?.forEach {
invokeGogoSource(it, callback)
}
}
data class GogoSources(
@JsonProperty("source") val source: List<GogoSource>?,
@JsonProperty("sourceBk") val sourceBk: List<GogoSource>?,
//val track: List<Any?>,
//val advertising: List<Any?>,
//val linkiframe: String
)
data class GogoSource(
@JsonProperty("file") val file: String,
@JsonProperty("label") val label: String?,
@JsonProperty("type") val type: String?,
@JsonProperty("default") val default: String? = null
)
}