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From "Andriy Budzinskyy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-1761) Error Parsing PPT (97-2003) files with password protection against modification which were created using Office 2013
Date Fri, 02 Oct 2015 10:13:26 GMT
Andriy Budzinskyy created TIKA-1761:
---------------------------------------

             Summary: Error Parsing PPT (97-2003) files with password protection against modification
which were created using Office 2013
                 Key: TIKA-1761
                 URL: https://issues.apache.org/jira/browse/TIKA-1761
             Project: Tika
          Issue Type: Bug
          Components: parser
    Affects Versions: 1.10, 1.7
            Reporter: Andriy Budzinskyy
         Attachments: test-2007.ppt, test-2013.ppt

PPT documents created (or saved) as Powerpoint 97-2003 format and protected with password
against modification using Office 2013 fail during extracting text.
But it works fine Powerpoint 97-2003 format using Office 2007

{noformat}
java -jar tika-app-1.10.jar --text test_2003.ppt
Exception in thread "main" org.apache.tika.exception.TikaException: Unexpected RuntimeException
from org.apache.tika.parser.microsoft.OfficeParser@22b0f5af
        at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:282)
        at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
        at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
        at org.apache.tika.cli.TikaCLI$OutputType.process(TikaCLI.java:185)
        at org.apache.tika.cli.TikaCLI.process(TikaCLI.java:489)
        at org.apache.tika.cli.TikaCLI.main(TikaCLI.java:139)
Caused by: org.apache.poi.hslf.exceptions.EncryptedPowerPointFileException: PowerPoint file
is encrypted. The correct password needs to be set via Biff8EncryptionKey.setCurrentUserPassword()
        at org.apache.poi.hslf.EncryptedSlideShow.<init>(EncryptedSlideShow.java:102)
        at org.apache.poi.hslf.HSLFSlideShow.read(HSLFSlideShow.java:259)
        at org.apache.poi.hslf.HSLFSlideShow.buildRecords(HSLFSlideShow.java:250)
        at org.apache.poi.hslf.HSLFSlideShow.<init>(HSLFSlideShow.java:165)
        at org.apache.tika.parser.microsoft.HSLFExtractor.parse(HSLFExtractor.java:61)
        at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:149)
        at org.apache.tika.parser.microsoft.OfficeParser.parse(OfficeParser.java:117)
        at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
        ... 5 more
{noformat}

I've debugged Tika library and found that it fails UserEditAtom.encryptSessionPersistIdRef
property. This property is empty in files created with Office 2007 and no-empty with Office
2013.
I've defragmented PPT files as described in https://social.msdn.microsoft.com/Forums/en-US/e33189a5-0b00-44b7-b084-f2757e9b7536/powerpoint-binary-file-format-decryption?forum=os_binaryfile

Is this bug of Tika or POI library? 
Should be it supported per Apache POI [encryption support|https://poi.apache.org/encryption.html]?



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