From 9aa8c4ad4fc6ac95dcc69ed64b08407e08b208a5 Mon Sep 17 00:00:00 2001
From: fuzhengyin <89236842+fuzhengyin@users.noreply.github.com>
Date: Tue, 1 Feb 2022 15:51:16 +0800
Subject: [PATCH] test

---
 .../youtube/YoutubeThrottlingDecrypter.java      | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java
index 3ba8e2dadc..4da73bf8d0 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java
@@ -36,8 +36,7 @@ public class YoutubeThrottlingDecrypter {
 
     private static final Pattern N_PARAM_PATTERN = Pattern.compile("[&?]n=([^&]+)");
     private static final Pattern FUNCTION_NAME_PATTERN = Pattern.compile(
-            "b=a\\.get\\(\"n\"\\)\\)&&\\(b=(\\w+)\\(b\\),a\\.set\\(\"n\",b\\)");
-
+            "b=a\\.get\\(\"n\"\\)\\)&&\\(b=(.+?)\\(b\\),a\\.set\\(\"n\",b\\)");
     private static final Map<String, String> nParams = new HashMap<>();
 
     private final String functionName;
@@ -66,7 +65,18 @@ public YoutubeThrottlingDecrypter() throws ParsingException {
 
     private String parseDecodeFunctionName(final String playerJsCode)
             throws Parser.RegexException {
-        return Parser.matchGroup1(FUNCTION_NAME_PATTERN, playerJsCode);
+        String functionName = Parser.matchGroup1(FUNCTION_NAME_PATTERN, playerJsCode);
+        if (functionName.contains("[")) {
+            int arrayStartBrace = functionName.indexOf("[");
+            String arrayVarName = functionName.substring(0, arrayStartBrace);
+            String order = functionName.substring(arrayStartBrace+1, functionName.indexOf("]"));
+            int arrayNum = Integer.parseInt(order);
+            Pattern ARRAY_PATTERN = Pattern.compile(String.format("var %s=\\[(.+?)\\];", arrayVarName));
+            String arrayString = Parser.matchGroup1(ARRAY_PATTERN, playerJsCode);
+            String names[] = arrayString.split(",");
+            functionName = names[arrayNum];
+        }
+        return functionName;
     }
 
     @Nonnull