From 696430468134c291a5753f1eddba6bb3aeb06e55 Mon Sep 17 00:00:00 2001
From: Vitaly Gashkov <vitalygashkov@vk.com>
Date: Mon, 22 Apr 2024 19:07:53 +0500
Subject: [PATCH] fix: handle html escape symbols in segment urls

---
 lib/dash.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/dash.js b/lib/dash.js
index be6408a..ce6c3a2 100644
--- a/lib/dash.js
+++ b/lib/dash.js
@@ -236,6 +236,21 @@ const parseSegmentFromBase = async (segmentBase, baseUrl) => {
   return { url: baseUrl, range: mediaRange };
 };
 
+const transformSegmentUrls = (segments) => {
+  for (const segment of segments) {
+    const hasHtmlEscapeCode = segment.url.includes('&amp;');
+    if (hasHtmlEscapeCode) {
+      const url = new URL(segment.url);
+      const entries = new URLSearchParams(url.searchParams.toString()).entries();
+      for (const [key, value] of entries) {
+        url.searchParams.delete(key);
+        url.searchParams.append(key.replaceAll('amp;', ''), value);
+      }
+      segment.url = url.toString();
+    }
+  }
+};
+
 const protectionSchemas = {
   'urn:mpeg:dash:mp4protection:2011': 'common',
   'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'playready',
@@ -298,6 +313,7 @@ const parseManifest = async (text, url, fallbackLanguage) => {
       } else {
         throw new Error('Could not find a way to get segments from this MPD manifest.');
       }
+      transformSegmentUrls(segments);
 
       const label = get('label');
       const fps = get('frameRate') ?? segmentBase?.attributes.timescale;