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NewPipeExtractor
mirror of https://github.com/TeamNewPipe/NewPipeExtractor
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Attempt to extract function from player only once.

This commit is contained in:
Kavin 2023-08-12 13:08:09 +01:00
parent 7294675aea
commit 43200af275
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GPG Key ID: 6E4598CA5C92C41F
1 changed files with 13 additions and 5 deletions
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18
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeThrottlingDecrypter.java
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@ -52,9 +52,12 @@ public final class YoutubeThrottlingDecrypter {
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 playerJsCode;
private static String decryptFunction;
private static String decryptFunctionName;
private static final Object PLAYER_JS_CODE_LOCK = new Object();
private YoutubeThrottlingDecrypter() {
// No implementation
}
@ -89,12 +92,17 @@ public final class YoutubeThrottlingDecrypter {
}
try {
if (decryptFunction == null) {
final String playerJsCode
= YoutubeJavaScriptExtractor.extractJavaScriptCode(videoId);
synchronized (PLAYER_JS_CODE_LOCK) {
if (playerJsCode == null) {
playerJsCode = YoutubeJavaScriptExtractor.extractJavaScriptCode(videoId);
decryptFunctionName = parseDecodeFunctionName(playerJsCode);
decryptFunction = parseDecodeFunction(playerJsCode, decryptFunctionName);
decryptFunctionName = parseDecodeFunctionName(playerJsCode);
decryptFunction = parseDecodeFunction(playerJsCode, decryptFunctionName);
}
}
if (decryptFunction == null || decryptFunctionName == null) {
throw new ParsingException("The decryption function was not parsed correctly");
}
final String oldNParam = parseNParam(streamingUrl);