feat(en/dramacool): Add StreamWishExtractor (#2034)

src/en/dramacool/build.gradle

@@ -5,7 +5,7 @@ ext {
     extName = 'DramaCool'
     pkgNameSuffix = 'en.dramacool'
     extClass = '.DramaCool'
-    extVersionCode = 38
+    extVersionCode = 39
     libVersion = '13'
 }
 
@@ -13,6 +13,8 @@ dependencies {
     implementation(project(':lib-streamtape-extractor'))
     implementation(project(':lib-streamsb-extractor'))
     implementation(project(':lib-dood-extractor'))
+    implementation(project(':lib-playlist-utils'))
+    implementation "dev.datlag.jsunpacker:jsunpacker:1.0.1"
 }
 
 apply from: "$rootDir/common.gradle"

src/en/dramacool/src/eu/kanade/tachiyomi/animeextension/en/dramacool/DramaCool.kt

@@ -7,6 +7,7 @@ import androidx.preference.EditTextPreference
 import androidx.preference.ListPreference
 import androidx.preference.PreferenceScreen
 import eu.kanade.tachiyomi.AppInfo
+import eu.kanade.tachiyomi.animeextension.en.dramacool.extractors.StreamWishExtractor
 import eu.kanade.tachiyomi.animesource.ConfigurableAnimeSource
 import eu.kanade.tachiyomi.animesource.model.AnimeFilterList
 import eu.kanade.tachiyomi.animesource.model.AnimesPage
@@ -169,6 +170,11 @@ class DramaCool : ConfigurableAnimeSource, ParsedAnimeHttpSource() {
                     }
                 }
 
+                url.contains("dwish") -> {
+                    val video = StreamWishExtractor(client, headers).videosFromUrl(url)
+                    videoList.addAll(video)
+                }
+
                 url.contains("streamtape") -> {
                     val video = StreamTapeExtractor(client).videoFromUrl(url)
                     if (video != null) {

src/en/dramacool/src/eu/kanade/tachiyomi/animeextension/en/dramacool/extractors/StreamWishExtractor.kt

@@ -0,0 +1,24 @@
+package eu.kanade.tachiyomi.animeextension.en.dramacool.extractors
+
+import dev.datlag.jsunpacker.JsUnpacker
+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 okhttp3.Headers
+import okhttp3.OkHttpClient
+
+class StreamWishExtractor(private val client: OkHttpClient, private val headers: Headers) {
+    fun videosFromUrl(url: String, videoNameGen: (String) -> String = { quality -> "StreamWish - $quality" }): List<Video> {
+        val doc = client.newCall(GET(url, headers = headers)).execute().asJsoup()
+        val jsEval = doc.selectFirst("script:containsData(m3u8)")?.data() ?: return emptyList()
+
+        val masterUrl = JsUnpacker.unpackAndCombine(jsEval)
+            ?.substringAfter("source")
+            ?.substringAfter("file:\"")
+            ?.substringBefore("\"")
+            ?: return emptyList()
+
+        return PlaylistUtils(client, headers).extractFromHls(masterUrl, videoNameGen = videoNameGen)
+    }
+}