Fix broken thumbnails after expiration time at MangaPlus. (#3974)

src/all/mangaplus/build.gradle

@@ -6,7 +6,7 @@ ext {
     extName = 'MANGA Plus by SHUEISHA'
     pkgNameSuffix = 'all.mangaplus'
     extClass = '.MangaPlusFactory'
-    extVersionCode = 10
+    extVersionCode = 11
     libVersion = '1.2'
 }
 

src/all/mangaplus/src/eu/kanade/tachiyomi/extension/all/mangaplus/MangaPlus.kt

@@ -54,6 +54,7 @@ abstract class MangaPlus(
 
     override val client: OkHttpClient = network.client.newBuilder()
         .addInterceptor { imageIntercept(it) }
+        .addInterceptor { thumbnailIntercept(it) }
         .build()
 
     private val protobufJs: String by lazy {
@@ -72,6 +73,8 @@ abstract class MangaPlus(
     private val splitImages: String
         get() = if (preferences.getBoolean("${SPLIT_PREF_KEY}_$lang", SPLIT_PREF_DEFAULT_VALUE)) "yes" else "no"
 
+    private var titleList: List<Title>? = null
+
     override fun popularMangaRequest(page: Int): Request {
         val newHeaders = headersBuilder()
             .set("Referer", "$baseUrl/manga_list/hot")
@@ -86,15 +89,16 @@ abstract class MangaPlus(
         if (result.success == null)
             throw Exception(result.error!!.langPopup.body)
 
-        val mangas = result.success.titleRankingView!!.titles
+        titleList = result.success.titleRankingView!!.titles
             .filter { it.language == langCode }
-            .map {
-                SManga.create().apply {
-                    title = it.name
-                    thumbnail_url = it.portraitImageUrl.toWeservUrl()
-                    url = "#/titles/${it.titleId}"
-                }
+
+        val mangas = titleList!!.map {
+            SManga.create().apply {
+                title = it.name
+                thumbnail_url = it.portraitImageUrl
+                url = "#/titles/${it.titleId}"
             }
+        }
 
         return MangasPage(mangas, false)
     }
@@ -113,6 +117,14 @@ abstract class MangaPlus(
         if (result.success == null)
             throw Exception(result.error!!.langPopup.body)
 
+        // Fetch all titles to get newer thumbnail urls at the interceptor.
+        val popularResponse = client.newCall(popularMangaRequest(1)).execute().asProto()
+
+        if (popularResponse.success != null) {
+            titleList = popularResponse.success.titleRankingView!!.titles
+                .filter { it.language == langCode }
+        }
+
         val mangas = result.success.webHomeView!!.groups
             .flatMap { it.titles }
             .mapNotNull { it.title }
@@ -120,7 +132,7 @@ abstract class MangaPlus(
             .map {
                 SManga.create().apply {
                     title = it.name
-                    thumbnail_url = it.portraitImageUrl.toWeservUrl()
+                    thumbnail_url = it.portraitImageUrl
                     url = "#/titles/${it.titleId}"
                 }
             }
@@ -148,15 +160,16 @@ abstract class MangaPlus(
         if (result.success == null)
             throw Exception(result.error!!.langPopup.body)
 
-        val mangas = result.success.allTitlesView!!.titles
+        titleList = result.success.allTitlesView!!.titles
             .filter { it.language == langCode }
-            .map {
-                SManga.create().apply {
-                    title = it.name
-                    thumbnail_url = it.portraitImageUrl.toWeservUrl()
-                    url = "#/titles/${it.titleId}"
-                }
+
+        val mangas = titleList!!.map {
+            SManga.create().apply {
+                title = it.name
+                thumbnail_url = it.portraitImageUrl
+                url = "#/titles/${it.titleId}"
             }
+        }
 
         return MangasPage(mangas, false)
     }
@@ -200,7 +213,7 @@ abstract class MangaPlus(
             artist = author
             description = details.overview + "\n\n" + details.viewingPeriodDescription
             status = if (isCompleted) SManga.COMPLETED else SManga.ONGOING
-            thumbnail_url = title.portraitImageUrl.toWeservUrl()
+            thumbnail_url = title.portraitImageUrl
         }
     }
 
@@ -385,12 +398,26 @@ abstract class MangaPlus(
         return ByteArray(content.size) { pos -> content[pos].toByte() }
     }
 
-    private fun String.toWeservUrl(): String {
-        val imageUrl = substringBefore("&duration")
+    private fun thumbnailIntercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        val response = chain.proceed(request)
 
-        return HttpUrl.parse(IMAGES_WESERV_URL)!!.newBuilder()
-            .addEncodedQueryParameter("url", imageUrl)
-            .toString()
+        // Check if it is 404 to maintain compatibility when the extension used Weserv.
+        val isBadCode = (response.code() == 401 || response.code() == 404)
+
+        if (isBadCode && request.url().toString().contains(TITLE_THUMBNAIL_PATH)) {
+            val titleId = request.url().toString()
+                .substringBefore("/$TITLE_THUMBNAIL_PATH")
+                .substringAfterLast("/")
+                .toInt()
+            val title = titleList?.find { it.titleId == titleId } ?: return response
+
+            response.close()
+            val thumbnailRequest = GET(title.portraitImageUrl, request.headers())
+            return chain.proceed(thumbnailRequest)
+        }
+
+        return response
     }
 
     private val ErrorResult.langPopup: Popup
@@ -429,7 +456,6 @@ abstract class MangaPlus(
 
     companion object {
         private const val API_URL = "https://jumpg-webapi.tokyo-cdn.com/api"
-        private const val IMAGES_WESERV_URL = "https://images.weserv.nl"
         private const val USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36"
 
         private val HEX_GROUP = "(.{1,2})".toRegex()
@@ -448,5 +474,7 @@ abstract class MangaPlus(
         private const val SPLIT_PREF_DEFAULT_VALUE = true
 
         private val COMPLETE_REGEX = "completado|complete".toRegex()
+
+        private const val TITLE_THUMBNAIL_PATH = "title_thumbnail_portrait_list"
     }
 }