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DragonTea: Decrypt image attributes (#17343)

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* DragonTea: Decrypt image attributes

* Remove unnecessary import

* Trim whitespace
This commit is contained in:
beerpsi 2023-08-03 00:52:22 +07:00 committed by GitHub
parent c367e3b126
commit bf6740e7e0
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2 changed files with 41 additions and 2 deletions
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41
multisrc/overrides/madara/dragontea/src/DragonTea.kt
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@ -4,9 +4,13 @@ import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.Canvas
import android.graphics.Rect
import android.util.Base64
import eu.kanade.tachiyomi.lib.cryptoaes.CryptoAES
import eu.kanade.tachiyomi.multisrc.madara.Madara
import eu.kanade.tachiyomi.network.interceptor.rateLimit
import eu.kanade.tachiyomi.source.model.Page
import kotlinx.serialization.json.jsonObject
import kotlinx.serialization.json.jsonPrimitive
import okhttp3.Interceptor
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
@ -53,7 +57,31 @@ class DragonTea : Madara(
.firstOrNull() != null
if (!hasSplitImages) {
return super.pageListParse(document)
return document.select(pageListParseSelector).mapIndexed { index, element ->
val imageUrl = element.selectFirst("img")?.let {
val src = when {
it.hasAttr("data-src") -> it.attr("data-src")
it.hasAttr("data-lazy-src") -> it.attr("data-lazy-src")
it.hasAttr("srcset") -> it.attr("srcset").substringBefore(" ")
else -> it.attr("src")
}.trim()
if (!src.startsWith("{\"")) {
return@let imageFromElement(it)
}
val srcData = json.parseToJsonElement(src).jsonObject
val unsaltedCiphertext = Base64.decode(srcData["ct"]!!.jsonPrimitive.content, Base64.DEFAULT)
val salt = srcData["s"]!!.jsonPrimitive.content.decodeHex()
val ciphertext = SALTED + salt + unsaltedCiphertext
val plaintext = CryptoAES.decrypt(Base64.encodeToString(ciphertext, Base64.DEFAULT), PASSWORD)
json.parseToJsonElement(plaintext).jsonPrimitive.content
}
Page(index, document.location(), imageUrl)
}
}
return document.select("div.page-break, li.blocks-gallery-item, $begonepeconSelector")
@ -119,8 +147,19 @@ class DragonTea : Madara(
.build()
}
fun String.decodeHex(): ByteArray {
check(length % 2 == 0) { "Must have an even length" }
return chunked(2)
.map { it.toInt(16).toByte() }
.toByteArray()
}
companion object {
private const val BEGONEPECON_SUFFIX = "?begonepecon"
private val PNG_MEDIA_TYPE = "image/png".toMediaType()
private val SALTED = "Salted__".toByteArray(Charsets.UTF_8)
private val PASSWORD = "releasethestormy888"
}
}

2
multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/madara/MadaraGenerator.kt
View File

@ -83,7 +83,7 @@ class MadaraGenerator : ThemeSourceGenerator {
SingleLang("DokkoManga", "https://dokkomanga.com", "es", overrideVersionCode = 1),
SingleLang("Doodmanga", "https://www.doodmanga.com", "th"),
SingleLang("DoujinHentai", "https://doujinhentai.net", "es", isNsfw = true, overrideVersionCode = 1),
SingleLang("DragonTea", "https://dragontea.ink", "en"),
SingleLang("DragonTea", "https://dragontea.ink", "en", overrideVersionCode = 1),
SingleLang("DragonTranslation.net", "https://dragontranslation.net", "es", isNsfw = true, className = "DragonTranslationNet"),
SingleLang("Drake Scans", "https://drakescans.com", "en", overrideVersionCode = 3),
SingleLang("Dream Manga", "https://www.swarmmanga.com", "en", overrideVersionCode = 3),