Example usage for org.apache.pdfbox.pdmodel.encryption AccessPermission AccessPermission

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel.encryption AccessPermission AccessPermission.

Prototype

public AccessPermission(int permissions) 

Source Link

Document

Creates a new access permission object from a single integer.

Usage

From source file:com.exlibris.dps.repository.plugin.riskExtractor.drmlint.PDFBoxWrapper.java

License:Apache License

/**
 * Check for encryption with Apache PDFBox
 * -> query the encryption dictionary (might allow more granular checks of protection)
 * @param pPDF pdf file to check//from  www.j  a va  2  s.c  o m
 * @return whether or not the file has DRM
 */
public static boolean hasDRMGranular(File pPDF) {

    boolean ret = false;

    try {
        PDFParser parser = new PDFParser(new FileInputStream(pPDF));
        parser.parse();

        COSDictionary dict = parser.getDocument().getEncryptionDictionary();
        if (dict != null) {

            //print encryption dictionary
            //            for(COSName key:dict.keySet()) {
            //               System.out.print(key.getName());
            //               String value = dict.getString(key);
            //               if(value!=null){
            //                  System.out.println(": "+value);
            //               } else {
            //                  System.out.println(": "+dict.getLong(key));
            //               }
            //            }

            //this feaure in pdfbox is currently broken, see: https://issues.apache.org/jira/browse/PDFBOX-1651
            //AccessPermission perms = parser.getPDDocument().getCurrentAccessPermission();
            //this is a work around; creating a new object from the data
            AccessPermission perms = new AccessPermission(dict.getInt("P"));

            boolean debug = false;

            if (debug) {

                System.out.println("canAssembleDocument()        : " + perms.canAssembleDocument());
                System.out.println("canExtractContent()          : " + perms.canExtractContent());
                System.out.println("canExtractForAccessibility() : " + perms.canExtractForAccessibility());
                System.out.println("canFillInForm()              : " + perms.canFillInForm());
                System.out.println("canModify()                  : " + perms.canModify());
                System.out.println("canModifyAnnotations()       : " + perms.canModifyAnnotations());
                System.out.println("canPrint()                   : " + perms.canPrint());
                System.out.println("canPrintDegraded()           : " + perms.canPrintDegraded());
                System.out.println("isOwnerPermission()          : " + perms.isOwnerPermission());
                System.out.println("isReadOnly()                 : " + perms.isReadOnly());

            }
        }

        parser.getDocument().close();

    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return ret;
}

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From source file:uk.bl.dpt.qa.flint.wrappers.PDFBoxWrapper.java

License:Apache License

/**
 * Check for encryption with Apache PDFBox
 * -> query the encryption dictionary (might allow more granular checks of protection)
 * @param pPDF pdf file to check/*from  w  w w .  ja va 2s.  co m*/
 * @return whether or not the file has DRM
 */
public boolean hasDRMGranular(File pPDF) {

    boolean ret = false;

    File tmp = null;
    try {
        System.setProperty("org.apache.pdfbox.baseParser.pushBackSize", "1024768");
        // NOTE: we use loadNonSeq here as it is the latest parser
        // load() and parser.parse() have hung on test files
        tmp = File.createTempFile("flint-", ".tmp");
        tmp.deleteOnExit();
        RandomAccess scratchFile = new RandomAccessFile(tmp, "rw");
        PDDocument doc = PDDocument.loadNonSeq(new FileInputStream(pPDF), scratchFile);

        PDEncryptionDictionary dict = doc.getEncryptionDictionary();
        if (dict != null) {

            //print encryption dictionary
            //            for(COSName key:dict.keySet()) {
            //               System.out.print(key.getName());
            //               String value = dict.getString(key);
            //               if(value!=null){
            //                  System.out.println(": "+value);
            //               } else {
            //                  System.out.println(": "+dict.getLong(key));
            //               }
            //            }

            //this feaure in pdfbox is currently broken, see: https://issues.apache.org/jira/browse/PDFBOX-1651
            //AccessPermission perms = parser.getPDDocument().getCurrentAccessPermission();
            //this is a work around; creating a new object from the data
            AccessPermission perms = new AccessPermission(dict.getPermissions());//.getInt("P"));

            boolean debug = true;

            if (debug) {

                System.out.println("canAssembleDocument()        : " + perms.canAssembleDocument());
                System.out.println("canExtractContent()          : " + perms.canExtractContent());
                System.out.println("canExtractForAccessibility() : " + perms.canExtractForAccessibility());
                System.out.println("canFillInForm()              : " + perms.canFillInForm());
                System.out.println("canModify()                  : " + perms.canModify());
                System.out.println("canModifyAnnotations()       : " + perms.canModifyAnnotations());
                System.out.println("canPrint()                   : " + perms.canPrint());
                System.out.println("canPrintDegraded()           : " + perms.canPrintDegraded());
                System.out.println("isOwnerPermission()          : " + perms.isOwnerPermission());
                System.out.println("isReadOnly()                 : " + perms.isReadOnly());

            }
        }

        doc.close();

    } catch (Exception e) {
        LOGGER.warn("Exception while doing granular DRM checks leads to invalidity: {}", e);
    } finally {
        if (tmp != null)
            tmp.delete();
    }

    return ret;
}

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