Kumanga: Add extra headers and fix ban when fetching chapters (#1681)

Fix ban

src/es/kumanga/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'Kumanga'
     extClass = '.Kumanga'
-    extVersionCode = 9
+    extVersionCode = 10
 }
 
 apply from: "$rootDir/common.gradle"

src/es/kumanga/src/eu/kanade/tachiyomi/extension/es/kumanga/Kumanga.kt

@@ -25,7 +25,6 @@ import uy.kohesive.injekt.injectLazy
 import java.net.URL
 import java.text.SimpleDateFormat
 import java.util.Locale
-import kotlin.math.roundToInt
 
 class Kumanga : HttpSource() {
 
@@ -43,12 +42,20 @@ class Kumanga : HttpSource() {
 
     private val json: Json by injectLazy()
 
-    override fun headersBuilder(): Headers.Builder = Headers.Builder()
+    override fun headersBuilder() = super.headersBuilder()
         .add("Referer", "$baseUrl/")
+        .add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8")
+        .add("Accept-language", "es-419,es;q=0.6")
+        .add("Cache-Control", "max-age=0")
+        .add("Sec-Fetch-Dest", "document")
+        .add("Sec-Fetch-Mode", "navigate")
+        .add("Sec-Fetch-Site", "none")
+        .add("Sec-Fetch-User", "?1")
+        .add("Sec-GPC", "1")
+        .add("Upgrade-Insecure-Requests", "1")
 
-    override val client: OkHttpClient = network.cloudflareClient
+    override val client: OkHttpClient = network.cloudflareClient.newBuilder()
-        .newBuilder()
+        .rateLimit(1)
-        .rateLimit(2)
         .addInterceptor { chain ->
             val request = chain.request()
             if (!request.url.toString().startsWith(apiUrl)) return@addInterceptor chain.proceed(request)
@@ -130,24 +137,23 @@ class Kumanga : HttpSource() {
 
     override fun chapterListParse(response: Response): List<SChapter> = mutableListOf<SChapter>().apply {
         var document = response.asJsoup()
+        var location = document.location()
         val params = document.select("script:containsData(totCntnts)").toString()
 
-        val numberChapters = params.substringAfter("totCntnts=").substringBefore(";").toIntOrNull()
         val mangaId = params.substringAfter("mid=").substringBefore(";")
         val mangaSlug = params.substringAfter("slg='").substringBefore("';")
 
-        if (numberChapters != null) {
+        var hasNextPage = document.select("ul.pagination li.next:not(.disabled)").isNotEmpty()
-            // Calculating total of pages, Kumanga shows 10 chapters per page, total_pages = #chapters / 10
+
-            val numberOfPages = (numberChapters / 10.toDouble() + 0.4).roundToInt()
         document.select(chapterSelector()).map { add(chapterFromElement(it)) }
         var page = 2
-            while (page <= numberOfPages) {
+        while (hasNextPage) {
-                document = client.newCall(GET(baseUrl + getMangaUrl(mangaId, mangaSlug, page))).execute().asJsoup()
+            val pageHeaders = headersBuilder().set("Referer", location).build()
+            document = client.newCall(GET(baseUrl + getMangaUrl(mangaId, mangaSlug, page), pageHeaders)).execute().asJsoup()
+            location = document.location()
             document.select(chapterSelector()).map { add(chapterFromElement(it)) }
             page++
-            }
+            hasNextPage = document.select("ul.pagination li.next:not(.disabled)").isNotEmpty()
-        } else {
-            throw Exception("No fue posible obtener los capítulos")
         }
     }
 

src/es/kumanga/src/eu/kanade/tachiyomi/extension/es/kumanga/KumangaDto.kt

@@ -22,7 +22,7 @@ class ComicDto(
     }
 
     private fun guessMangaCover(mangaId: String, baseUrl: String) = "$baseUrl/kumathumb.php?src=$mangaId"
-    private fun createMangaUrl(mangaId: String, mangaSlug: String) = "/manga/$mangaId/p/1/$mangaSlug"
+    private fun createMangaUrl(mangaId: String, mangaSlug: String) = "/manga/$mangaId/$mangaSlug"
 }
 
 @Serializable