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add comment to throttling parameter deobfuscation function fixup

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gechoto 2024-12-31 16:50:14 +01:00 committed by Stypox
parent e0d39b606c
commit 4181625c2c
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1 changed files with 13 additions and 3 deletions
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extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingParameterUtils.java
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@ -239,10 +239,20 @@ final class YoutubeThrottlingParameterUtils {
}
/**
* Removes an early return statement from the code of the throttling parameter deobfuscation function.
*
* @param function
* @return
* @throws Parser.RegexException
* <p>In newer version of the player code the function contains a check for something defined outside of the function.
* If that was not found it will return early.
*
* <p>The check can look like this (JS):<br>
* if(typeof RUQ==="undefined")return p;
*
* <p>In this example RUQ will always be undefined when running the function as standalone.
* If the check is kept it would just return p which is the input parameter and would be wrong.
* For that reason this check and return statement needs to be removed.
*
* @param function the original throttling parameter deobfuscation function code
* @return the throttling parameter deobfuscation function code with the early return statement removed
*/
@Nonnull
private static String fixupFunction(@Nonnull final String function)