Update StreamWishExtractor

lib/streamwish-extractor/src/main/java/eu/kanade/tachiyomi/lib/streamwishextractor/StreamWishExtractor.kt

@@ -1,15 +1,20 @@
 package eu.kanade.tachiyomi.lib.streamwishextractor
 
 import dev.datlag.jsunpacker.JsUnpacker
+import eu.kanade.tachiyomi.animesource.model.Track
 import eu.kanade.tachiyomi.animesource.model.Video
 import eu.kanade.tachiyomi.lib.playlistutils.PlaylistUtils
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.util.asJsoup
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.SerializationException
+import kotlinx.serialization.json.Json
 import okhttp3.Headers
 import okhttp3.OkHttpClient
 
 class StreamWishExtractor(private val client: OkHttpClient, private val headers: Headers) {
     private val playlistUtils by lazy { PlaylistUtils(client, headers) }
+    private val json = Json { isLenient = true; ignoreUnknownKeys = true }
 
     fun videosFromUrl(url: String, prefix: String) = videosFromUrl(url) { "$prefix - $it" }
 
@@ -32,7 +37,9 @@ class StreamWishExtractor(private val client: OkHttpClient, private val headers:
             ?.takeIf(String::isNotBlank)
             ?: return emptyList()
 
-        return playlistUtils.extractFromHls(masterUrl, url, videoNameGen = videoNameGen)
+        val subtitleList = extractSubtitles(scriptBody)
+
+        return playlistUtils.extractFromHls(masterUrl, url, videoNameGen = videoNameGen, subtitleList = subtitleList)
     }
 
     private fun getEmbedUrl(url: String): String {
@@ -43,4 +50,21 @@ class StreamWishExtractor(private val client: OkHttpClient, private val headers:
             url
         }
     }
+
+    private fun extractSubtitles(script: String): List<Track> {
+        return try {
+            val subtitleStr = script
+                .substringAfter("tracks")
+                .substringAfter("[")
+                .substringBefore("]")
+            json.decodeFromString<List<TrackDto>>("[$subtitleStr]")
+                .filter { it.kind.equals("captions", true) }
+                .map { Track(it.file, it.label ?: "") }
+        } catch (e: SerializationException) {
+            emptyList()
+        }
+    }
+
+    @Serializable
+    private data class TrackDto(val file: String, val kind: String, val label: String? = null)
 }