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idk how to decrypt shit ;(((

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jmir1
2021-07-14 17:09:55 +02:00
parent 59267b5e20
commit 5950c1c1d1
2 changed files with 70 additions and 0 deletions
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53
src/en/twistmoe/src/eu/kanade/tachiyomi/animeextension/en/twistmoe/AESDecrypt.kt Normal file
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@ -0,0 +1,53 @@
package eu.kanade.tachiyomi.animeextension.en.twistmoe
import android.annotation.TargetApi
import android.os.Build
import android.util.Log
import java.security.MessageDigest
import java.util.Base64
import javax.crypto.Cipher
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
@TargetApi(Build.VERSION_CODES.O)
class AESDecrypt {
private val decoder = Base64.getDecoder()
private val encoder = Base64.getEncoder()
fun aesEncrypt(v: String, secretKey: ByteArray, initializationVector: ByteArray) = encrypt(v, secretKey, initializationVector)
fun aesDecrypt(v: ByteArray, secretKey: ByteArray, initializationVector: ByteArray) = decrypt(v, secretKey, initializationVector)
fun getIvAndKey(v: String): ByteArray {
val byteStr = decoder.decode(v.toByteArray(Charsets.UTF_8))
val md5 = MessageDigest.getInstance("MD5")
assert(byteStr.decodeToString(0, 8) == "Salted__")
val salt = byteStr.sliceArray(8..15)
val secretStr = "267041df55ca2b36f2e322d05ee2c9cf"
val secret = secretStr
.map { it.toByte() }
.toByteArray()
val step1 = md5.digest(salt)
val step2 = step1 + md5.digest(step1 + secret)
val step3 = step2 + md5.digest(step2 + secret)
Log.i("lol", step3.decodeToString())
assert(step3.lastIndex == 47)
return step3
}
fun getToDecode(v: String): ByteArray {
val byteStr = decoder.decode(v.toByteArray(Charsets.UTF_8))
assert(byteStr.decodeToString(0, 8) == "Salted__")
return byteStr.sliceArray(16..byteStr.lastIndex)
}
private fun cipher(opmode: Int, secretKey: ByteArray, initializationVector: ByteArray): Cipher {
if (secretKey.lastIndex != 31) throw RuntimeException("SecretKey length is not 32 chars")
val c = Cipher.getInstance("AES/CBC/NoPadding")
val sk = SecretKeySpec(secretKey, "AES")
val iv = IvParameterSpec(initializationVector)
c.init(opmode, sk, iv)
return c
}
private fun encrypt(str: String, secretKey: ByteArray, iv: ByteArray): String {
val encrypted = cipher(Cipher.ENCRYPT_MODE, secretKey, iv).doFinal(str.toByteArray(Charsets.UTF_8))
return String(encoder.encode(encrypted))
}
private fun decrypt(str: ByteArray, secretKey: ByteArray, iv: ByteArray): String {
return String(cipher(Cipher.DECRYPT_MODE, secretKey, iv).doFinal(str))
}
}

17
src/en/twistmoe/src/eu/kanade/tachiyomi/animeextension/en/twistmoe/TwistMoe.kt
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@ -1,5 +1,6 @@
package eu.kanade.tachiyomi.animeextension.en.twistmoe
import android.util.Log
import com.google.gson.JsonArray
import com.google.gson.JsonElement
import com.google.gson.JsonObject
@ -54,6 +55,8 @@ class TwistMoe : AnimeHttpSource() {
1 -> SAnime.ONGOING
else -> SAnime.UNKNOWN
}
anime.thumbnail_url = "https://homepages.cae.wisc.edu/~ece533/images/cat.png"
anime.initialized = true
animeList.add(anime)
}
return AnimesPage(animeList, false)
@ -89,12 +92,20 @@ class TwistMoe : AnimeHttpSource() {
return anime
}
override fun videoListRequest(episode: SEpisode): Request {
return super.videoListRequest(episode)
}
override fun videoListParse(response: Response): List<Video> {
val responseString = response.body!!.string()
val jElement: JsonElement = JsonParser.parseString(responseString)
val jObject: JsonObject = jElement.asJsonObject
val server = jObject.get("videos_manifest").asJsonObject.get("servers").asJsonArray[0].asJsonObject
val streams = server.get("streams").asJsonArray
val aes = AESDecrypt()
val ivAndKey = aes.getIvAndKey("U2FsdGVkX19njUQXx448lKxE4wUQA8tH45sgjCYckbrdS15QHY3fW5ChD6UpcoackxmWn8/5Tk88yAAwSukKwKpfvI6rQ1ERxFcAspfBCj8U/IQYoE3gZy+Esgumt/Fz")
val toDecode = aes.getToDecode("U2FsdGVkX19njUQXx448lKxE4wUQA8tH45sgjCYckbrdS15QHY3fW5ChD6UpcoackxmWn8/5Tk88yAAwSukKwKpfvI6rQ1ERxFcAspfBCj8U/IQYoE3gZy+Esgumt/Fz")
Log.i("lol", aes.aesDecrypt(toDecode, ivAndKey.sliceArray(0..31), ivAndKey.sliceArray(32..47)))
val linkList = mutableListOf<Video>()
for (stream in streams) {
if (stream.asJsonObject.get("kind").asString != "premium_alert") {
@ -105,6 +116,12 @@ class TwistMoe : AnimeHttpSource() {
}
override fun episodeListRequest(anime: SAnime): Request {
val aes = AESDecrypt()
val ivAndKey = aes.getIvAndKey("U2FsdGVkX19njUQXx448lKxE4wUQA8tH45sgjCYckbrdS15QHY3fW5ChD6UpcoackxmWn8/5Tk88yAAwSukKwKpfvI6rQ1ERxFcAspfBCj8U/IQYoE3gZy+Esgumt/Fz")
val toDecode = aes.getToDecode("U2FsdGVkX19njUQXx448lKxE4wUQA8tH45sgjCYckbrdS15QHY3fW5ChD6UpcoackxmWn8/5Tk88yAAwSukKwKpfvI6rQ1ERxFcAspfBCj8U/IQYoE3gZy+Esgumt/Fz")
Log.i("lol_key", ivAndKey.sliceArray(0..31).decodeToString())
Log.i("lol_iv", ivAndKey.sliceArray(32..47).decodeToString())
Log.i("lol_final", aes.aesDecrypt(toDecode, ivAndKey.sliceArray(0..31), ivAndKey.sliceArray(32..47)))
val slug = anime.url.substringAfter("/a/")
return GET("https://api.twist.moe/api/anime/$slug/sources", popularRequestHeaders)
}