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Old 05.06.2021, 18:23
DrDentz DrDentz is offline
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Join Date: Jun 2021
Posts: 1
Default Zip extraction fails when checking multiple passwords

When I configure a list of extraction passwords for a zip file, only the first one gets checked because the check returns an exception. This seems to happen because

1. Zip4J returns an exception when the AES password check fails:
**External links are only visible to Support Staff****External links are only visible to Support Staff**

2. These exceptions are not catched in the checkPassword call in the extractor:
**External links are only visible to Support Staff****External links are only visible to Support Staff**

3. The first catch is at the end of the function:
**External links are only visible to Support Staff****External links are only visible to Support Staff**
so as a result the passwordList loop is not continued and the function ends.

Here is the relevant log part:
--ID:1258TS:1622903694431-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionController(run)] -> Archive is Protected - Sat Jun 05 16:34:54 CEST 2021
--ID:1258TS:1622903694432-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionController(run)] -> Try to find password
--ID:1258TS:1622903694432-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionController(run)] -> Start password finding for Archive:<ARCHIVE> - Sat Jun 05 16:34:54 CEST 2021
--ID:1258TS:1622903694432-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionController(checkPassword)] -> Check Password: '<PASSWORD>'
--ID:1258TS:1622903694439-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.multi.Zip4J(findPassword)] -> Validating password: <ARCHIVE>/<FILE>|<PASSWORD>
--ID:1258TS:1622903694456-6/5/21, 4:34:54 PM -  [] -> Exception thrown at org.jdownloader.extensions.extraction.ExtractionController.run(ExtractionController.java:492):
org.jdownloader.extensions.extraction.ExtractionException: Wrong Password for file: <ARCHIVE>/<FILE>
        at org.jdownloader.extensions.extraction.multi.Zip4J.findPassword(Zip4J.java:132)
        at org.jdownloader.extensions.extraction.ExtractionController.checkPassword(ExtractionController.java:228)
        at org.jdownloader.extensions.extraction.ExtractionController.run(ExtractionController.java:318)
        at org.jdownloader.extensions.extraction.ExtractionController.run(ExtractionController.java:61)
        at org.appwork.utils.event.queue.QueueAction.start(QueueAction.java:202)
        at org.appwork.utils.event.queue.Queue.startItem(Queue.java:504)
        at org.appwork.utils.event.queue.Queue.runQueue(Queue.java:437)
        at org.appwork.utils.event.queue.QueueThread.run(QueueThread.java:64)
Caused by: net.lingala.zip4j.exception.ZipException: Wrong Password for file: <ARCHIVE>/<FILE>
        at net.lingala.zip4j.crypto.AESDecrypter.init(AESDecrypter.java:121)
        at net.lingala.zip4j.crypto.AESDecrypter.<init>(AESDecrypter.java:65)
        at net.lingala.zip4j.unzip.UnzipEngine.initDecrypter(UnzipEngine.java:202)
        at net.lingala.zip4j.unzip.UnzipEngine.init(UnzipEngine.java:185)
        at net.lingala.zip4j.unzip.UnzipEngine.getInputStream(UnzipEngine.java:118)
        at net.lingala.zip4j.unzip.Unzip.getInputStream(Unzip.java:183)
        at net.lingala.zip4j.core.ZipFile.getInputStream(ZipFile.java:990)
        at org.jdownloader.extensions.extraction.multi.Zip4J.findPassword(Zip4J.java:90)
        ... 7 more

--ID:1258TS:1622903694456-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionListenerList(onExtractionEvent)] -> Extraction failed
--ID:1258TS:1622903694484-6/5/21, 4:34:54 PM -  [org.jdownloader.extensions.extraction.ExtractionListenerList(onExtractionEvent)] -> Cleanup

Last edited by DrDentz; 05.06.2021 at 18:30. Reason: External URLs not visible
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