Initial commit

multisrc/overrides/madara/shinigami/additional.gradle

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+dependencies {
+    implementation(project(":lib-synchrony"))
+}

multisrc/overrides/madara/shinigami/src/Shinigami.kt

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+package eu.kanade.tachiyomi.extension.id.shinigami
+
+import android.app.Application
+import android.content.SharedPreferences
+import android.util.Base64
+import android.widget.Toast
+import androidx.preference.EditTextPreference
+import androidx.preference.PreferenceScreen
+import eu.kanade.tachiyomi.lib.cryptoaes.CryptoAES
+import eu.kanade.tachiyomi.lib.synchrony.Deobfuscator
+import eu.kanade.tachiyomi.multisrc.madara.Madara
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.decodeFromString
+import okhttp3.Headers
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import java.io.IOException
+import java.util.concurrent.TimeUnit
+
+class Shinigami : Madara("Shinigami", "https://shinigami.moe", "id") {
+    // moved from Reaper Scans (id) to Shinigami (id)
+    override val id = 3411809758861089969
+
+    override val useNewChapterEndpoint = false
+
+    override fun searchPage(page: Int): String = if (page == 1) "" else "page/$page/"
+
+    private val preferences: SharedPreferences by lazy {
+        Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
+    }
+
+    private val encodedString = "AAA AaAAAAH QAAAB0 AAAAcA AAAHMAA AA6AAA ALwAAAC8AA " + "AB0AAAAYQA AAGM AAADoAAAAaQAAAH kAAABvAA AAbQAAA  GkAAABvAAAA cgAAAGcAAAAuAAA AZwAAAGk  " + "AAAB0AAAA aAAAAHUAA ABiAAAALgAAAGkAA ABvAAAAL   wAAAHUAAABzA AAAZQAAAHIAAAAtA AAAYQAAAGcA " + "AABlyAtAAAbgA AAHQAAAB6AAAA LwAAAHUAAA  BcAAAAZQ AAAHIAAAAtAAA AYQAAAGcAAABl AAAAbgAA  AHQAAAB6AAAALgAAAG" + "     oAhAntUAABzAA AAbwAAAG4="
+
+    private val tachiUaUrl = Base64.decode(encodedString.replace("\\s".toRegex(), "").replace("DoA", "BoA").replace("GoAhAntU", "GoA").replace("BlyAt", "BlA").replace("BcA", "BzA"), Base64.DEFAULT).toString(Charsets.UTF_32).replace("z", "s")
+
+    private var secChUaMP: List<String>? = null
+    private var userAgent: String? = null
+    private var checkedUa = false
+
+    private val uaIntercept = object : Interceptor {
+        override fun intercept(chain: Interceptor.Chain): Response {
+            val customUa = preferences.getString(PREF_KEY_CUSTOM_UA, "")
+            try {
+                if (customUa!!.isNotBlank()) userAgent = customUa
+
+                if (userAgent.isNullOrBlank() && checkedUa.not()) {
+                    val uaResponse = chain.proceed(GET(tachiUaUrl))
+                    if (uaResponse.isSuccessful) {
+                        val parseTachiUa = uaResponse.use { json.decodeFromString<TachiUaResponse>(it.body.string()) }
+
+                        var listUserAgentString = parseTachiUa.desktop + parseTachiUa.mobile
+
+                        listUserAgentString = listUserAgentString!!.filter {
+                            listOf("windows", "android").any { filter ->
+                                it.contains(filter, ignoreCase = true)
+                            }
+                        }
+                        userAgent = listUserAgentString!!.random()
+                        checkedUa = true
+                    }
+                    uaResponse.close()
+                }
+
+                if (userAgent.isNullOrBlank().not()) {
+                    secChUaMP = if (userAgent!!.contains("Windows")) {
+                        listOf("?0", "Windows")
+                    } else {
+                        listOf("?1", "Android")
+                    }
+
+                    val newRequest = chain.request().newBuilder()
+                        .header("User-Agent", userAgent!!.trim())
+                        .header("Sec-CH-UA-Mobile", secChUaMP!![0])
+                        .header("Sec-CH-UA-Platform", secChUaMP!![1])
+                        .removeHeader("X-Requested-With")
+                        .build()
+
+                    return chain.proceed(newRequest)
+                }
+                return chain.proceed(chain.request())
+            } catch (e: Exception) {
+                throw IOException(e.message)
+            }
+        }
+    }
+
+    @Serializable
+    data class TachiUaResponse(
+        val desktop: List<String> = emptyList(),
+        val mobile: List<String> = emptyList(),
+    )
+
+    // disable random ua in ext setting from multisrc (.setRandomUserAgent)
+    override val client: OkHttpClient = network.cloudflareClient.newBuilder()
+        .addInterceptor(uaIntercept)
+        .connectTimeout(10, TimeUnit.SECONDS)
+        .readTimeout(30, TimeUnit.SECONDS)
+        .build()
+
+    override fun headersBuilder(): Headers.Builder {
+        val builder = super.headersBuilder()
+            .add("Sec-Fetch-Dest", "document")
+            .add("Sec-Fetch-Mode", "navigate")
+            .add("Sec-Fetch-Site", "same-origin")
+            .add("Upgrade-Insecure-Requests", "1")
+            .add("X-Requested-With", "") // added for webview, and removed in interceptor for normal use
+
+        // used to flush tachi custom ua in webview and use system ua instead
+        if (userAgent.isNullOrBlank()) builder.removeAll("User-Agent")
+
+        return builder
+    }
+
+    override val mangaSubString = "semua-series"
+
+    // Tags are useless as they are just SEO keywords.
+    override val mangaDetailsSelectorTag = ""
+
+    override fun chapterFromElement(element: Element): SChapter = SChapter.create().apply {
+        val urlElement = element.selectFirst(chapterUrlSelector)!!
+
+        name = urlElement.selectFirst("p.chapter-manhwa-title")?.text()
+            ?: urlElement.ownText()
+        date_upload = urlElement.selectFirst("span.chapter-release-date > i")?.text()
+            .let { parseChapterDate(it) }
+
+        val fixedUrl = urlElement.attr("abs:href")
+
+        setUrlWithoutDomain(fixedUrl)
+    }
+
+    // Page list
+    @Serializable
+    data class CDT(val ct: String, val s: String)
+
+    override fun pageListParse(document: Document): List<Page> {
+        val script = document.selectFirst("script:containsData(chapter_data)")?.data()
+            ?: throw Exception("chapter_data script not found")
+
+        val deobfuscated = Deobfuscator.deobfuscateScript(script)
+            ?: throw Exception("Unable to deobfuscate chapter_data script")
+
+        val postId = script.substringAfter("var post_id = '").substringBefore("'")
+        val chapterData = json.decodeFromString<CDT>(
+            script.substringAfter("var chapter_data = '").substringBefore("'"),
+        )
+
+        val keyMatch = KEY_REGEX.find(deobfuscated)!!.groupValues
+        val key = postId + keyMatch[1] + postId + keyMatch[2] + postId
+        val salt = chapterData.s.decodeHex()
+
+        val unsaltedCiphertext = Base64.decode(chapterData.ct, Base64.DEFAULT)
+        val ciphertext = SALTED + salt + unsaltedCiphertext
+
+        val decrypted = CryptoAES.decrypt(Base64.encodeToString(ciphertext, Base64.DEFAULT), key)
+        val data = json.decodeFromString<List<String>>(decrypted)
+        return data.mapIndexed { idx, it ->
+            Page(idx, document.location(), it)
+        }
+    }
+
+    // https://stackoverflow.com/a/66614516
+    private fun String.decodeHex(): ByteArray {
+        check(length % 2 == 0) { "Must have an even length" }
+
+        return chunked(2)
+            .map { it.toInt(16).toByte() }
+            .toByteArray()
+    }
+
+    // remove random ua in setting ext from multisrc and use custom one
+    override fun setupPreferenceScreen(screen: PreferenceScreen) {
+        val prefCustomUserAgent = EditTextPreference(screen.context).apply {
+            key = PREF_KEY_CUSTOM_UA
+            title = TITLE_CUSTOM_UA
+            summary = (preferences.getString(PREF_KEY_CUSTOM_UA, "")!!.trim() + SUMMARY_STRING_CUSTOM_UA).trim()
+            setOnPreferenceChangeListener { _, newValue ->
+                val customUa = newValue as String
+                preferences.edit().putString(PREF_KEY_CUSTOM_UA, customUa).apply()
+                if (customUa.isNullOrBlank()) {
+                    Toast.makeText(screen.context, RESTART_APP_STRING, Toast.LENGTH_LONG).show()
+                } else {
+                    userAgent = null
+                }
+                summary = (customUa.trim() + SUMMARY_STRING2_CUSTOM_UA).trim()
+
+                true
+            }
+        }
+        screen.addPreference(prefCustomUserAgent)
+    }
+
+    companion object {
+        const val TITLE_CUSTOM_UA = "Custom User-Agent"
+        const val PREF_KEY_CUSTOM_UA = "pref_key_custom_ua"
+        const val SUMMARY_STRING_CUSTOM_UA = "\n\nBiarkan kosong untuk menggunakan User-Agent secara random"
+        const val SUMMARY_STRING2_CUSTOM_UA = "\n\nKosongkan untuk menggunakan User-Agent secara random"
+
+        const val RESTART_APP_STRING = "Restart Tachiyomi untuk menggunakan pengaturan baru."
+
+        private val KEY_REGEX by lazy { Regex("""post_id\s+\+\s+'(.*?)'\s+\+\s+post_id\s+\+\s+'(.*?)'\s+\+\s+post_id""") }
+    }
+}