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[YouTube] Support multiple declarations for throttling parameter function name array #1076

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Merged
merged 1 commit into from
Jul 7, 2023
Merged

[YouTube] Support multiple declarations for throttling parameter function name array #1076

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6 changes: 5 additions & 1 deletion ...c/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,9 @@ public final class YoutubeThrottlingDecrypter {
private static final String DECRYPT_FUNCTION_BODY_REGEX =
"=\\s*function([\\S\\s]*?\\}\\s*return [\\w$]+?\\.join\\(\"\"\\)\\s*\\};)";

private static final String DECRYPT_FUNCTION_ARRAY_OBJECT_TYPE_DECLARATION_REGEX = "var ";
private static final String FUNCTION_NAMES_IN_DECRYPT_ARRAY_REGEX = "\\s*=\\s*\\[(.+?)][;,]";

private static final Map<String, String> N_PARAMS_CACHE = new HashMap<>();
private static String decryptFunction;
private static String decryptFunctionName;
Expand Down Expand Up @@ -117,7 +120,8 @@ private static String parseDecodeFunctionName(final String playerJsCode)

final int arrayNum = Integer.parseInt(matcher.group(2));
final Pattern arrayPattern = Pattern.compile(
"var " + Pattern.quote(functionName) + "\\s*=\\s*\\[(.+?)];");
DECRYPT_FUNCTION_ARRAY_OBJECT_TYPE_DECLARATION_REGEX + Pattern.quote(functionName)
+ FUNCTION_NAMES_IN_DECRYPT_ARRAY_REGEX);
final String arrayStr = Parser.matchGroup1(arrayPattern, playerJsCode);
final String[] names = arrayStr.split(",");
return names[arrayNum];
Expand Down