From e85f9893ac00381e3065d0587b6128be73fa6a39 Mon Sep 17 00:00:00 2001
From: Durgesh Kumar Dwivedi <durgeshdwivedi81@gmail.com>
Date: Sat, 21 Sep 2024 19:13:17 +0530
Subject: [PATCH] feat(streamwish): Refactor StreamWish decoding to get proper
 hls urls

---
 src/extractors/streamwish.ts     | 38 ++++++++++++++++++++++++++++----
 src/providers/anime/gogoanime.ts |  2 +-
 test/anime/gogoanime.test.ts     |  3 ++-
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/extractors/streamwish.ts b/src/extractors/streamwish.ts
index 0674c81d8..be713d665 100644
--- a/src/extractors/streamwish.ts
+++ b/src/extractors/streamwish.ts
@@ -24,22 +24,52 @@ class StreamWish extends VideoExtractor {
           'User-Agent': USER_AGENT,
         },
       };
+      // console.log(videoUrl.href,"videoUrl")
       const { data } = await this.client.get(videoUrl.href, options);
-      const links = data.match(/file:\s*"([^"]+)"/);
-      let lastLink = null;
+
+      // Code adapted from Zenda-Cross (https://github.com/Zenda-Cross/vega-app/blob/main/src/lib/providers/multi/multiGetStream.ts)
+      // Thank you to Zenda-Cross for the original implementation.
+
+      var functionRegex =
+        /eval\(function\((.*?)\)\{.*?return p\}.*?\('(.*?)'\.split/;
+      var match = functionRegex.exec(data);
+      let p = '';
+      if (match) {
+        var params = match[1].split(',').map(param => param.trim());
+        var encodedString = match[2];
+
+        p = encodedString.split("',36,")?.[0].trim();
+        let a = 36;
+        let c = encodedString.split("',36,")[1].slice(2).split('|').length;
+        let k = encodedString.split("',36,")[1].slice(2).split('|');
+
+        while (c--) {
+          if (k[c]) {
+            var regex = new RegExp('\\b' + c.toString(a) + '\\b', 'g');
+            p = p.replace(regex, k[c]);
+          }
+        }
+
+        // console.log('Decoded String:', p);
+      } else {
+        console.log('No match found');
+      }
+      const links = p.match(/file:\s*"([^"]+)"/) ?? [];
+      // console.log(links, "links");
+      let lastLink: string | null = null;
       links.forEach((link: string) => {
         if (link.includes('file:"')) {
           link = link.replace('file:"', '').replace(new RegExp('"', 'g'), '');
         }
         this.sources.push({
           quality: lastLink! ? 'backup' : 'default',
-          url: link,
+          url: link.replace(/&i=\d+,'\.4&/, '&i=0.4&'),
           isM3U8: link.includes('.m3u8'),
         });
         lastLink = link;
       });
 
-      const m3u8Content = await this.client.get(links[1], options);
+      const m3u8Content = await this.client.get(links[1].replace(/&i=\d+,'\.4&/, '&i=0.4&'), options);
 
       if (m3u8Content.data.includes('EXTM3U')) {
         const videoList = m3u8Content.data.split('#EXT-X-STREAM-INF:');
diff --git a/src/providers/anime/gogoanime.ts b/src/providers/anime/gogoanime.ts
index a5c85a2de..567304e23 100644
--- a/src/providers/anime/gogoanime.ts
+++ b/src/providers/anime/gogoanime.ts
@@ -583,7 +583,7 @@ class Gogoanime extends AnimeParser {
 
 // (async () => {
 //   const gogo = new Gogoanime();
-//   const search = await gogo.fetchEpisodeSources('jigokuraku-dub-episode-1');
+//   const search = await gogo.fetchEpisodeSources('jigokuraku-dub-episode-1',StreamingServers.StreamWish);
 //   console.log(search);
 // })();
 
diff --git a/test/anime/gogoanime.test.ts b/test/anime/gogoanime.test.ts
index aba7315e2..ab37c25da 100644
--- a/test/anime/gogoanime.test.ts
+++ b/test/anime/gogoanime.test.ts
@@ -1,5 +1,6 @@
 import { info } from 'console';
 import { ANIME } from '../../src/providers';
+import { StreamingServers } from '../../src/models';
 
 jest.setTimeout(120000);
 
@@ -26,7 +27,7 @@ test('returns a filled array of servers', async () => {
 });
 
 test('returns a filled object of episode sources', async () => {
-  const data = await gogoanime.fetchEpisodeSources('spy-x-family-episode-9');
+  const data = await gogoanime.fetchEpisodeSources('spy-x-family-episode-9',StreamingServers.StreamWish);
   expect(data.sources).not.toEqual([]);
 });