[Dspace-tech] Protected PDF documents

[Jayan Chirayath Kurian]

Hi!

 

Issuing MediaFilterManager command on protected (i.e. text can’t be copied from PDF files) PDF documents gives out the following message. Using the http://shareme.com/details/pdf-password-cracker-pro.html program one of the protected files was decrypted and MediaFilterManager command went through. Is there any way to overcome this in dspace 1.4.1 making use of default *.jar files in dspace\lib folder. I tried copying PDFBOX jar file into lib folder but was not successful. Please suggest.

 

Thanks,

Jayan

 

C:\DSpace\bin>dsrun org.dspace.app.mediafilter.MediaFilterManager

Using DSpace installation in: C:\DSpace

Exception in thread "main" java.lang.NoClassDefFoundError: org/bouncycastle/jce/

provider/BouncyCastleProvider

        at org.pdfbox.pdmodel.PDDocument.openProtection(PDDocument.java:905)

        at org.pdfbox.pdmodel.PDDocument.decrypt(PDDocument.java:489)

        at org.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:204)

        at org.pdfbox.util.PDFTextStripper.getText(PDFTextStripper.java:149)

        at org.dspace.app.mediafilter.PDFFilter.getDestinationStream(PDFFilter.j

ava:110)

        at org.dspace.app.mediafilter.MediaFilter.processBitstream(MediaFilter.j

ava:155)

        at org.dspace.app.mediafilter.MediaFilterManager.filterBitstream(MediaFi

lterManager.java:327)

        at org.dspace.app.mediafilter.MediaFilterManager.filterItem(MediaFilterM

anager.java:296)

        at org.dspace.app.mediafilter.MediaFilterManager.applyFiltersItem(MediaF

ilterManager.java:266)

        at org.dspace.app.mediafilter.MediaFilterManager.applyFiltersAllItems(Me

diaFilterManager.java:234)

        at org.dspace.app.mediafilter.MediaFilterManager.main(MediaFilterManager

.java:185)

[Jayan Chirayath Kurian]

[Mark Diggory]

Hello Jayan,

I'd look for bouncycastle jars in your lib directory, if they are absent, you'll need to get them, you might just download dspace 1.4.2 and copy them out of there.

-Mark

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[Jayan Chirayath Kurian]

Thanks Mark. The 2 jar files (i.e. bcmail-jdk14-135 and bcprov-jdk14-135 from dspace 1.4.2/lib folder) made it work.

 

Cheers!

Jayan

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