68 lines
2.6 KiB
Kotlin
68 lines
2.6 KiB
Kotlin
package eu.kanade.tachiyomi.extension.en.firescans
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import android.util.Base64
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import eu.kanade.tachiyomi.lib.cryptoaes.CryptoAES
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import eu.kanade.tachiyomi.multisrc.madara.Madara
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import eu.kanade.tachiyomi.network.interceptor.rateLimit
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import eu.kanade.tachiyomi.source.model.Page
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import kotlinx.serialization.json.jsonArray
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import kotlinx.serialization.json.jsonObject
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import kotlinx.serialization.json.jsonPrimitive
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import okhttp3.OkHttpClient
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import org.jsoup.nodes.Document
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class FireScans : Madara("Fire Scans", "https://firescans.xyz", "en") {
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override val client: OkHttpClient = super.client.newBuilder()
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.rateLimit(20, 5)
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.build()
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override val useNewChapterEndpoint: Boolean = true
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override fun pageListParse(document: Document): List<Page> {
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countViews(document)
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val chapterProtector = document.selectFirst(chapterProtectorSelector)
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?: return document.select(pageListParseSelector).mapIndexed { index, element ->
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val imageUrl = element.selectFirst("img")?.let { imageFromElement(it) }
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Page(index, document.location(), imageUrl)
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}
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val chapterProtectorHtml = if (chapterProtector.attr("src").startsWith("data:text/javascript;base64,")) {
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Base64.decode(chapterProtector.attr("src").substringAfter(","), Base64.DEFAULT).decodeToString()
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} else {
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chapterProtector.html()
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}
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val password = chapterProtectorHtml
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.substringAfter("wpmangaprotectornonce='")
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.substringBefore("';")
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val chapterData = json.parseToJsonElement(
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chapterProtectorHtml
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.substringAfter("chapter_data='")
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.substringBefore("';")
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.replace("\\/", "/"),
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).jsonObject
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val unsaltedCiphertext = Base64.decode(chapterData["ct"]!!.jsonPrimitive.content, Base64.DEFAULT)
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val salt = chapterData["s"]!!.jsonPrimitive.content.decodeHex()
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val ciphertext = SALTED + salt + unsaltedCiphertext
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val rawImgArray = CryptoAES.decrypt(Base64.encodeToString(ciphertext, Base64.DEFAULT), password)
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val imgArrayString = json.parseToJsonElement(rawImgArray).jsonPrimitive.content
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val imgArray = json.parseToJsonElement(imgArrayString).jsonArray
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return imgArray.mapIndexed { idx, it ->
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Page(idx, document.location(), it.jsonPrimitive.content)
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}
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}
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private fun String.decodeHex(): ByteArray {
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check(length % 2 == 0) { "Must have an even length" }
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return chunked(2)
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.map { it.toInt(16).toByte() }
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.toByteArray()
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}
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}
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