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Update AnimekaiDecoder.kt

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Arkai1 2025-04-12 19:51:18 +05:30 • committed by GitHub
parent 375696b6d6
commit 9ddb8d04bd
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1 changed files with 45 additions and 26 deletions
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src/en/animekai/src/eu/kanade/tachiyomi/animeextension/en/animekai/AnimekaiDecoder.kt
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@ -3,44 +3,50 @@ package eu.kanade.tachiyomi.animeextension.en.animekai
import android.util.Base64
import java.net.URLEncoder
import java.nio.charset.StandardCharsets
import java.security.MessageDigest
import javax.crypto.Cipher
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
class AnimekaiDecoder {
companion object {
private const val secret = "T3xKHVZBiNwbzVBDLTlaTw=="
private const val iv = "3rR5dURR27mN"
private fun md5(text: String): ByteArray {
val md = MessageDigest.getInstance("MD5")
return md.digest(text.toByteArray())
}
private fun decodeBase64(data: String): ByteArray {
return Base64.decode(data, Base64.NO_WRAP)
}
private fun encodeBase64(data: ByteArray): String {
return Base64.encodeToString(data, Base64.NO_WRAP)
}
}
fun generateToken(id: String): String {
val time = (System.currentTimeMillis() / 1000).toString()
val base = "$id|$time"
val timestamp = (System.currentTimeMillis() / 1000).toString()
val base = "$id|$timestamp"
val encrypted = encrypt(base)
return URLEncoder.encode(encrypted, "UTF-8")
return URLEncoder.encode(encrypted, StandardCharsets.UTF_8.toString())
}
fun decodeIframeData(data: String): String {
return decrypt(data)
}
fun decode(base64Data: String, steps: List<List<String>>): String {
var result = base64Data
for (step in steps) {
when (step[0]) {
"replace" -> {
result = result.replace(step[1], step[2])
}
"reverse" -> {
result = result.reversed()
}
"base64" -> {
result = decodeBase64(result).toString(StandardCharsets.UTF_8)
}
"xor" -> {
val key = step[1].toByteArray(StandardCharsets.UTF_8)
val bytes = decodeBase64(result)
val xored = bytes.mapIndexed { i, b -> b xor key[i % key.size] }.toByteArray()
result = xored.toString(StandardCharsets.UTF_8)
}
}
}
return result
}
private fun encrypt(text: String): String {
val keyBytes = decodeBase64(secret)
val ivSpec = IvParameterSpec(iv.toByteArray(StandardCharsets.UTF_8))
val keyBytes = decodeBase64(SECRET)
val ivSpec = IvParameterSpec(IV.toByteArray(StandardCharsets.UTF_8))
val keySpec = SecretKeySpec(keyBytes, "AES")
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
@ -51,8 +57,8 @@ class AnimekaiDecoder {
}
private fun decrypt(base64Data: String): String {
val keyBytes = decodeBase64(secret)
val ivSpec = IvParameterSpec(iv.toByteArray(StandardCharsets.UTF_8))
val keyBytes = decodeBase64(SECRET)
val ivSpec = IvParameterSpec(IV.toByteArray(StandardCharsets.UTF_8))
val keySpec = SecretKeySpec(keyBytes, "AES")
val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
@ -61,4 +67,17 @@ class AnimekaiDecoder {
val decrypted = cipher.doFinal(decodeBase64(base64Data))
return String(decrypted, StandardCharsets.UTF_8)
}
}
companion object {
private const val SECRET = "T3xKHVZBiNwbzVBDLTlaTw=="
private const val IV = "3rR5dURR27mN"
private fun decodeBase64(data: String): ByteArray {
return Base64.decode(data, Base64.NO_WRAP)
}
private fun encodeBase64(data: ByteArray): String {
return Base64.encodeToString(data, Base64.NO_WRAP)
}
}
}