[site/iken] Small fixes (#1740)

* Vortexscans (Broken): Need to fix list chaps + getPages function

* Temporary fix for #1737, reference: keiyoushi/extensions-source#8645

src/main/kotlin/org/koitharu/kotatsu/parsers/site/iken/IkenParser.kt

@@ -1,8 +1,12 @@
 package org.koitharu.kotatsu.parsers.site.iken
 
+import org.jsoup.Jsoup
+import org.jsoup.nodes.Document
 import org.json.JSONObject
+import org.json.JSONArray
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.core.LegacyPagedMangaParser
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.util.*
@@ -15,10 +19,14 @@ internal abstract class IkenParser(
 	source: MangaParserSource,
 	domain: String,
 	pageSize: Int = 18,
+	protected val useAPI: Boolean = false
 ) : LegacyPagedMangaParser(context, source, pageSize) {
 
 	override val configKeyDomain = ConfigKey.Domain(domain)
 
+	protected val defaultDomain: String
+		get() = if (useAPI) "api.$domain" else domain
+
 	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
 		super.onCreateConfig(keys)
 		keys.add(userAgentKey)
@@ -52,7 +60,7 @@ internal abstract class IkenParser(
 	override suspend fun getListPage(page: Int, order: SortOrder, filter: MangaListFilter): List<Manga> {
 		val url = buildString {
 			append("https://")
-			append(domain)
+			append(defaultDomain)
 			append("/api/query?page=")
 			append(page)
 			append("&perPage=18&searchTerm=")
@@ -129,7 +137,7 @@ internal abstract class IkenParser(
 
 	override suspend fun getDetails(manga: Manga): Manga {
 		val seriesId = manga.id
-		val url = "https://$domain/api/chapters?postId=$seriesId&skip=0&take=1000&order=desc&userid="
+		val url = "https://$defaultDomain/api/chapters?postId=$seriesId&skip=0&take=900&order=desc&userid="
 		val json = webClient.httpGet(url).parseJson().getJSONObject("post")
 		val slug = json.getStringOrNull("slug")
 		val data = json.getJSONArray("chapters").asTypedList<JSONObject>()
@@ -157,16 +165,23 @@ internal abstract class IkenParser(
 		)
 	}
 
-	protected open val selectPages = "main section > img"
+	protected open val selectPages = "main section img"
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		val fullUrl = chapter.url.toAbsoluteUrl(domain)
 		val doc = webClient.httpGet(fullUrl).parseHtml()
-		return doc.select(selectPages).map { img ->
-			val url = img.requireSrc()
+
+		if (doc.selectFirst("svg.lucide-lock") != null) {
+            throw Exception("Need to unlock chapter!")
+        }
+
+		val imagesJson = doc.getNextJson("images")
+		val images = parseImagesJson(imagesJson)
+
+		return images.map { p ->
 			MangaPage(
-				id = generateUid(url),
-				url = url,
+				id = generateUid(p),
+				url = p,
 				preview = null,
 				source = source,
 			)
@@ -184,4 +199,52 @@ internal abstract class IkenParser(
 			)
 		}
 	}
-}
+
+	protected fun Document.getNextJson(key: String): String {
+		val scripts = select("script")
+		val scriptData = scripts.find { script ->
+			script.data()?.contains(key) == true
+		}?.data() ?: throw Exception("Unable to retrieve NEXT data")
+
+		val keyIndex = scriptData.indexOf(key)
+		if (keyIndex == -1) throw Exception("Key $key not found in script data")
+
+		val start = scriptData.indexOf('[', keyIndex)
+		if (start == -1) {
+			val objStart = scriptData.indexOf('{', keyIndex)
+			if (objStart == -1) throw Exception("No JSON data found after key")
+
+			var depth = 1
+			var i = objStart + 1
+			while (i < scriptData.length && depth > 0) {
+				when (scriptData[i]) {
+					'{' -> depth++
+					'}' -> depth--
+				}
+				i++
+			}
+			return scriptData.substring(objStart, i)
+		}
+
+		var depth = 1
+		var i = start + 1
+		while (i < scriptData.length && depth > 0) {
+			when (scriptData[i]) {
+				'[' -> depth++
+				']' -> depth--
+			}
+			i++
+		}
+
+		val jsonStr = scriptData.substring(start, i)
+		return jsonStr.replace("\\/", "/").replace("\\\"", "\"")
+	}
+
+	private fun parseImagesJson(json: String): List<String> {
+		val jsonArray = JSONArray(json)
+		return List(jsonArray.length()) { index ->
+			val item = jsonArray.getJSONObject(index)
+			item.getString("url")
+		}
+	}
+}

src/main/kotlin/org/koitharu/kotatsu/parsers/site/iken/en/HiveComic.kt

@@ -9,6 +9,4 @@ import org.koitharu.kotatsu.parsers.Broken
 @Broken("Need to fix getPages")
 @MangaSourceParser("HIVECOMIC", "HiveComic", "en")
 internal class HiveComic(context: MangaLoaderContext) :
-	IkenParser(context, MangaParserSource.HIVECOMIC, "hivecomic.com") {
-	override val selectPages = "main section img"
-}
+	IkenParser(context, MangaParserSource.HIVECOMIC, "hivecomic.com", 18)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/iken/en/MangaGalaxyParser.kt

@@ -9,6 +9,4 @@ import org.koitharu.kotatsu.parsers.site.iken.IkenParser
 @Broken // Redirect to @VORTEXSCANS
 @MangaSourceParser("MANGAGALAXY", "MangaGalaxy", "en")
 internal class MangaGalaxyParser(context: MangaLoaderContext) :
-	IkenParser(context, MangaParserSource.MANGAGALAXY, "vortexscans.org") {
-	override val selectPages = "main section img"
-}
+	IkenParser(context, MangaParserSource.MANGAGALAXY, "vortexscans.org", 18)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/iken/en/PhiliaScans.kt

@@ -4,9 +4,24 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.model.MangaParserSource
 import org.koitharu.kotatsu.parsers.site.iken.IkenParser
+import org.koitharu.kotatsu.parsers.model.*
+import org.koitharu.kotatsu.parsers.util.*
 
 @MangaSourceParser("PHILIASCANS", "PhiliaScans", "en")
 internal class PhiliaScans(context: MangaLoaderContext) :
-	IkenParser(context, MangaParserSource.PHILIASCANS, "philiascans.org") {
-	override val selectPages = "main section img"
-}
+	IkenParser(context, MangaParserSource.PHILIASCANS, "philiascans.org", 18) {
+
+	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
+		val fullUrl = chapter.url.toAbsoluteUrl(domain)
+		val doc = webClient.httpGet(fullUrl).parseHtml()
+		return doc.select(selectPages).map { img ->
+			val url = img.requireSrc()
+			MangaPage(
+				id = generateUid(url),
+				url = url,
+				preview = null,
+				source = source,
+			)
+		}
+	}
+}

src/main/kotlin/org/koitharu/kotatsu/parsers/site/iken/en/VortexScans.kt

@@ -4,9 +4,9 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.model.MangaParserSource
 import org.koitharu.kotatsu.parsers.site.iken.IkenParser
+import org.koitharu.kotatsu.parsers.Broken
 
+@Broken("Need to fix getPages")
 @MangaSourceParser("VORTEXSCANS", "VortexScans", "en")
 internal class VortexScans(context: MangaLoaderContext) :
-	IkenParser(context, MangaParserSource.VORTEXSCANS, "vortexscans.org") {
-	override val selectPages = "main section img"
-}
+	IkenParser(context, MangaParserSource.VORTEXSCANS, "vortexscans.org", 18, true)