MangaRawRU: fix page order (#14790)

* fix page order

* fix when imageList is empty.

multisrc/overrides/mangaraw/mangarawru/src/ImageListParser.kt

@@ -0,0 +1,128 @@
+package eu.kanade.tachiyomi.extension.ja.mangarawru
+
+import kotlin.math.pow
+
+class ImageListParser(
+    html: String,
+    private val position: Int,
+    private val keys: String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
+    private val pattern: String = """'BYFxAcGcC4.*?'"""
+) {
+
+    private val code: String
+    init {
+        code = getCode(html)
+    }
+
+    fun getImageList(): List<String>? {
+        val charMap = mutableMapOf<Int, String?>()
+        for (j in 0..2) {
+            charMap[j] = j.toString()
+        }
+
+        val data = Data(getValue(0), position, 1)
+        charMap[3] = when (getCharCode(data, position, 4)) {
+            0 -> charCodeToString(getCharCode(data, position, 256))
+            1 -> charCodeToString(getCharCode(data, position, 65536))
+            2 -> return null
+            else -> null
+        }
+
+        val imageCharList = mutableListOf(charMap[3])
+
+        var counter = 4
+        var charaIndexCounter = 4
+        var n = 3.0
+        var cash = charMap[3]
+        while (data.index <= code.length) {
+            val max = 2.0.pow(n).toInt()
+
+            val charIndex = when (val charCode = getCharCode(data, position, max)) {
+                0 -> {
+                    charMap[charaIndexCounter] = charCodeToString(getCharCode(data, position, 256))
+                    counter--
+                    charaIndexCounter++
+                }
+                1 -> {
+                    charMap[charaIndexCounter] = charCodeToString(getCharCode(data, position, 65536))
+                    counter--
+                    charaIndexCounter++
+                }
+                2 -> {
+                    return imageCharList.joinToString("").split(",")
+                }
+                else -> {
+                    charCode
+                }
+            }
+
+            val char = if (!charMap[charIndex].isNullOrEmpty()) {
+                charMap[charIndex]!!
+            } else if (charIndex != charaIndexCounter) {
+                return null
+            } else {
+                cash + cash?.charAt(0)
+            }
+
+            if (counter == 0) {
+                counter = 2.0.pow(n++).toInt()
+            }
+
+            imageCharList.add(char)
+
+            charMap[charaIndexCounter++] = cash + char.charAt(0)
+            counter--
+            cash = char
+            if (counter == 0) {
+                counter = 2.0.pow(n++).toInt()
+            }
+        }
+
+        return null
+    }
+
+    private data class Data(var value: Int, var position: Int, var index: Int)
+
+    private fun getCharCode(data: Data, position: Int, max: Int): Int {
+        var charIndex = 0
+
+        var i = 1
+        while (i != max) {
+            val tmp = data.value and data.position
+            data.position = data.position shr 1
+            if (data.position == 0) {
+                data.position = position
+                data.value = getValue(data.index++)
+            }
+
+            charIndex = charIndex or ((if (tmp > 0) 1 else 0) * i)
+            i = i shl 1
+        }
+
+        return charIndex
+    }
+
+    fun getValue(index: Int): Int {
+        return getValueByChar(code.charAt(index))
+    }
+
+    private fun getCode(html: String): String {
+        val regex = Regex(pattern)
+        return regex.find(html)!!.value.replace("'", "").replace("\\", "").replace("u002b", "+")
+    }
+
+    private fun getValueByChar(char: String): Int {
+        return keys.indexOf(char)
+    }
+
+    companion object {
+
+        private fun String.charAt(index: Int): String {
+            return substring(index, index + 1)
+        }
+
+        private fun charCodeToString(charCode: Int): String {
+            return charCode.toChar().toString()
+        }
+    }
+}

multisrc/overrides/mangaraw/mangarawru/src/MangaRawRU.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.extension.ja.mangarawru
 import eu.kanade.tachiyomi.multisrc.mangaraw.MangaRawTheme
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.model.SManga
 import okhttp3.Request
 import org.jsoup.nodes.Document
@@ -59,4 +60,14 @@ class MangaRawRU : MangaRawTheme("MangaRawRU", "https://mangaraw.ru") {
     override fun pageSelector(): Evaluator {
         return Evaluator.Tag("img")
     }
+
+    override fun pageListParse(document: Document): List<Page> {
+
+        val position = 32
+        val parser = ImageListParser(document.html(), position)
+
+        return parser.getImageList().orEmpty().mapIndexed { i, imageUrl ->
+            Page(i, imageUrl = imageUrl)
+        }
+    }
 }

multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/mangaraw/MangaRawGenerator.kt

@@ -13,7 +13,7 @@ class MangaRawGenerator : ThemeSourceGenerator {
     override val sources = listOf(
         SingleLang("SyoSetu", "https://syosetu.top", "ja"),
         SingleLang("MangaRaw", "https://manga1001.in", "ja", pkgName = "manga9co", overrideVersionCode = 1),
-        SingleLang("MangaRawRU", "https://mangaraw.ru", "ja"),
+        SingleLang("MangaRawRU", "https://mangaraw.ru", "ja", overrideVersionCode = 1),
     )
 
     companion object {