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NewPipeExtractor
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[YouTube] Quote signature deobfuscation function name and add semicolon only where needed

This commit is contained in:
AudricV 2023-09-21 21:20:48 +02:00
parent 1fa85ec6ca
commit 588c6a8422
No known key found for this signature in database
GPG Key ID: DA92EC7905614198
1 changed files with 6 additions and 5 deletions
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11
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSignatureUtils.java
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@ -6,6 +6,7 @@ import org.schabi.newpipe.extractor.utils.Parser;
import org.schabi.newpipe.extractor.utils.jsextractor.JavaScriptExtractor;
import javax.annotation.Nonnull;
import java.util.regex.Pattern;
/**
* Utility class to get the signature timestamp of YouTube's base JavaScript player and deobfuscate
@ -94,7 +95,7 @@ final class YoutubeSignatureUtils {
+ deobfuscationFunctionName
+ "(a);}";
return helperObject + deobfuscationFunction + callerFunction;
return helperObject + deobfuscationFunction + ";" + callerFunction;
} catch (final Exception e) {
throw new ParsingException("Could not parse deobfuscation function", e);
}
@ -124,7 +125,7 @@ final class YoutubeSignatureUtils {
@Nonnull final String deobfuscationFunctionName) throws ParsingException {
final String functionBase = deobfuscationFunctionName + "=function";
return functionBase + JavaScriptExtractor.matchToClosingBrace(
javaScriptPlayerCode, functionBase) + ";";
javaScriptPlayerCode, functionBase);
}
@Nonnull
@ -132,9 +133,9 @@ final class YoutubeSignatureUtils {
@Nonnull final String javaScriptPlayerCode,
@Nonnull final String deobfuscationFunctionName) throws ParsingException {
final String functionPattern = DEOBF_FUNC_REGEX_START
+ deobfuscationFunctionName.replace("$", "\\$")
+ Pattern.quote(deobfuscationFunctionName)
+ DEOBF_FUNC_REGEX_END;
return "var " + Parser.matchGroup1(functionPattern, javaScriptPlayerCode) + ";";
return "var " + Parser.matchGroup1(functionPattern, javaScriptPlayerCode);
}
@Nonnull
@ -142,7 +143,7 @@ final class YoutubeSignatureUtils {
@Nonnull final String helperObjectName)
throws ParsingException {
final String helperPattern = SIG_DEOBF_HELPER_OBJ_REGEX_START
+ helperObjectName.replace("$", "\\$")
+ Pattern.quote(helperObjectName)
+ SIG_DEOBF_HELPER_OBJ_REGEX_END;
return Parser.matchGroup1(helperPattern, javaScriptPlayerCode)
.replace("\n", "");