Example usage for org.apache.pdfbox.cos COSName DOCMDP

List of usage examples for org.apache.pdfbox.cos COSName DOCMDP

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Introduction

In this page you can find the example usage for org.apache.pdfbox.cos COSName DOCMDP.

Prototype

COSName DOCMDP

To view the source code for org.apache.pdfbox.cos COSName DOCMDP.

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Usage

From source file:com.formkiq.core.service.generator.pdfbox.SigUtils.java

License:Apache License

/**
 * Get the access permissions granted for this document in the DocMDP
 * transform parameters dictionary. Details are described in the table
 * "Entries in the DocMDP transform parameters dictionary" in the PDF
 * specification./*  w  ww.j av a  2  s  .co  m*/
 *
 * @param doc
 *            document.
 * @return the permission value. 0 means no DocMDP transform parameters
 *         dictionary exists. Other return values are 1, 2 or 3. 2 is also
 *         returned if the DocMDP transform parameters dictionary is found
 *         but did not contain a /P entry, or if the value is outside the
 *         valid range.
 */
public static int getMDPPermission(final PDDocument doc) {

    final int maxPerm = 3;
    COSBase base = doc.getDocumentCatalog().getCOSObject().getDictionaryObject(COSName.PERMS);
    if (base instanceof COSDictionary) {
        COSDictionary permsDict = (COSDictionary) base;
        base = permsDict.getDictionaryObject(COSName.DOCMDP);
        if (base instanceof COSDictionary) {
            COSDictionary signatureDict = (COSDictionary) base;
            base = signatureDict.getDictionaryObject("Reference");
            if (base instanceof COSArray) {
                COSArray refArray = (COSArray) base;
                for (int i = 0; i < refArray.size(); ++i) {
                    base = refArray.getObject(i);
                    if (base instanceof COSDictionary) {
                        COSDictionary sigRefDict = (COSDictionary) base;
                        if (COSName.DOCMDP.equals(sigRefDict.getDictionaryObject("TransformMethod"))) {
                            base = sigRefDict.getDictionaryObject("TransformParams");
                            if (base instanceof COSDictionary) {
                                COSDictionary dict = (COSDictionary) base;
                                int accessPermissions = dict.getInt(COSName.P, 2);
                                if (accessPermissions < 1 || accessPermissions > maxPerm) {
                                    accessPermissions = 2;
                                }
                                return accessPermissions;
                            }
                        }
                    }
                }
            }
        }
    }
    return 0;
}

From source file:com.formkiq.core.service.generator.pdfbox.SigUtils.java

License:Apache License

/**
 * Set the access permissions granted for this document in the DocMDP
 * transform parameters dictionary. Details are described in the table
 * "Entries in the DocMDP transform parameters dictionary" in the PDF
 * specification.//w  w  w  .  j  a  v  a 2 s  . c  o  m
 *
 * @param doc
 *            The document.
 * @param signature
 *            The signature object.
 * @param accessPermissions
 *            The permission value (1, 2 or 3).
 */
public static void setMDPPermission(final PDDocument doc, final PDSignature signature,
        final int accessPermissions) {

    COSDictionary sigDict = signature.getCOSObject();

    // DocMDP specific stuff
    COSDictionary transformParameters = new COSDictionary();
    transformParameters.setItem(COSName.TYPE, COSName.getPDFName("TransformParams"));
    transformParameters.setInt(COSName.P, accessPermissions);
    transformParameters.setName(COSName.V, "1.2");
    transformParameters.setNeedToBeUpdated(true);

    COSDictionary referenceDict = new COSDictionary();
    referenceDict.setItem(COSName.TYPE, COSName.getPDFName("SigRef"));
    referenceDict.setItem("TransformMethod", COSName.DOCMDP);
    referenceDict.setItem("DigestMethod", COSName.getPDFName("SHA1"));
    referenceDict.setItem("TransformParams", transformParameters);
    referenceDict.setNeedToBeUpdated(true);

    COSArray referenceArray = new COSArray();
    referenceArray.add(referenceDict);
    sigDict.setItem("Reference", referenceArray);
    referenceArray.setNeedToBeUpdated(true);

    // Catalog
    COSDictionary catalogDict = doc.getDocumentCatalog().getCOSObject();
    COSDictionary permsDict = new COSDictionary();
    catalogDict.setItem(COSName.PERMS, permsDict);
    permsDict.setItem(COSName.DOCMDP, signature);
    catalogDict.setNeedToBeUpdated(true);
    permsDict.setNeedToBeUpdated(true);
}

From source file:com.modemo.javase.signature.SigUtils.java

License:Apache License

/**
 * Get the access permissions granted for this document in the DocMDP transform parameters
 * dictionary. Details are described in the table "Entries in the DocMDP transform parameters
 * dictionary" in the PDF specification.
 *
 * @param doc document./*ww w.  j  a  va2 s .  c  o  m*/
 * @return the permission value. 0 means no DocMDP transform parameters dictionary exists. Other
 * return values are 1, 2 or 3. 2 is also returned if the DocMDP transform parameters dictionary
 * is found but did not contain a /P entry, or if the value is outside the valid range.
 */
public static int getMDPPermission(PDDocument doc) {
    COSBase base = doc.getDocumentCatalog().getCOSObject().getDictionaryObject(COSName.PERMS);
    if (base instanceof COSDictionary) {
        COSDictionary permsDict = (COSDictionary) base;
        base = permsDict.getDictionaryObject(COSName.DOCMDP);
        if (base instanceof COSDictionary) {
            COSDictionary signatureDict = (COSDictionary) base;
            base = signatureDict.getDictionaryObject("Reference");
            if (base instanceof COSArray) {
                COSArray refArray = (COSArray) base;
                for (int i = 0; i < refArray.size(); ++i) {
                    base = refArray.getObject(i);
                    if (base instanceof COSDictionary) {
                        COSDictionary sigRefDict = (COSDictionary) base;
                        if (COSName.DOCMDP.equals(sigRefDict.getDictionaryObject("TransformMethod"))) {
                            base = sigRefDict.getDictionaryObject("TransformParams");
                            if (base instanceof COSDictionary) {
                                COSDictionary transformDict = (COSDictionary) base;
                                int accessPermissions = transformDict.getInt(COSName.P, 2);
                                if (accessPermissions < 1 || accessPermissions > 3) {
                                    accessPermissions = 2;
                                }
                                return accessPermissions;
                            }
                        }
                    }
                }
            }
        }
    }
    return 0;
}

From source file:com.modemo.javase.signature.SigUtils.java

License:Apache License

/**
 * Set the access permissions granted for this document in the DocMDP transform parameters
 * dictionary. Details are described in the table "Entries in the DocMDP transform parameters
 * dictionary" in the PDF specification.
 *
 * @param doc The document./*w  w w . j  av a2  s .co m*/
 * @param signature The signature object.
 * @param accessPermissions The permission value (1, 2 or 3).
 */
static public void setMDPPermission(PDDocument doc, PDSignature signature, int accessPermissions) {
    COSDictionary sigDict = signature.getCOSObject();

    // DocMDP specific stuff
    COSDictionary transformParameters = new COSDictionary();
    transformParameters.setItem(COSName.TYPE, COSName.getPDFName("TransformParams"));
    transformParameters.setInt(COSName.P, accessPermissions);
    transformParameters.setName(COSName.V, "1.2");
    transformParameters.setNeedToBeUpdated(true);

    COSDictionary referenceDict = new COSDictionary();
    referenceDict.setItem(COSName.TYPE, COSName.getPDFName("SigRef"));
    referenceDict.setItem("TransformMethod", COSName.DOCMDP);
    referenceDict.setItem("DigestMethod", COSName.getPDFName("SHA1"));
    referenceDict.setItem("TransformParams", transformParameters);
    referenceDict.setNeedToBeUpdated(true);

    COSArray referenceArray = new COSArray();
    referenceArray.add(referenceDict);
    sigDict.setItem("Reference", referenceArray);
    referenceArray.setNeedToBeUpdated(true);

    // Catalog
    COSDictionary catalogDict = doc.getDocumentCatalog().getCOSObject();
    COSDictionary permsDict = new COSDictionary();
    catalogDict.setItem(COSName.PERMS, permsDict);
    permsDict.setItem(COSName.DOCMDP, signature);
    catalogDict.setNeedToBeUpdated(true);
    permsDict.setNeedToBeUpdated(true);
}

From source file:fixture.pdfboxeg.CreateSignatureBase.java

License:Apache License

/**
 * Get the access permissions granted for this document in the DocMDP transform parameters
 * dictionary. Details are described in the table "Entries in the DocMDP transform parameters
 * dictionary" in the PDF specification.
 *
 * @param doc document.//from   ww w.  j ava2 s. co  m
 * @return the permission value. 0 means no DocMDP transform parameters dictionary exists. Other
 * return values are 1, 2 or 3. 2 is also returned if the DocMDP transform parameters dictionary
 * is found but did not contain a /P entry, or if the value is outside the valid range.
 */
public int getMDPPermission(PDDocument doc) {
    COSBase base = doc.getDocumentCatalog().getCOSObject().getDictionaryObject(COSName.PERMS);
    if (base instanceof COSDictionary) {
        COSDictionary permsDict = (COSDictionary) base;
        base = permsDict.getDictionaryObject(COSName.DOCMDP);
        if (base instanceof COSDictionary) {
            COSDictionary signatureDict = (COSDictionary) base;
            base = signatureDict.getDictionaryObject("Reference");
            if (base instanceof COSArray) {
                COSArray refArray = (COSArray) base;
                for (int i = 0; i < refArray.size(); ++i) {
                    base = refArray.getObject(i);
                    if (base instanceof COSDictionary) {
                        COSDictionary sigRefDict = (COSDictionary) base;
                        if (COSName.DOCMDP.equals(sigRefDict.getDictionaryObject("TransformMethod"))) {
                            base = sigRefDict.getDictionaryObject("TransformParams");
                            if (base instanceof COSDictionary) {
                                COSDictionary transformDict = (COSDictionary) base;
                                int accessPermissions = transformDict.getInt(COSName.P, 2);
                                if (accessPermissions < 1 || accessPermissions > 3) {
                                    accessPermissions = 2;
                                }
                                return accessPermissions;
                            }
                        }
                    }
                }
            }
        }
    }
    return 0;
}

From source file:fixture.pdfboxeg.CreateSignatureBase.java

License:Apache License

public void setMDPPermission(PDDocument doc, PDSignature signature, int accessPermissions) {
    COSDictionary sigDict = signature.getCOSObject();

    // DocMDP specific stuff
    COSDictionary transformParameters = new COSDictionary();
    transformParameters.setItem(COSName.TYPE, COSName.getPDFName("TransformParams"));
    transformParameters.setInt(COSName.P, accessPermissions);
    transformParameters.setName(COSName.V, "1.2");
    transformParameters.setNeedToBeUpdated(true);

    COSDictionary referenceDict = new COSDictionary();
    referenceDict.setItem(COSName.TYPE, COSName.getPDFName("SigRef"));
    referenceDict.setItem("TransformMethod", COSName.getPDFName("DocMDP"));
    referenceDict.setItem("DigestMethod", COSName.getPDFName("SHA1"));
    referenceDict.setItem("TransformParams", transformParameters);
    referenceDict.setNeedToBeUpdated(true);

    COSArray referenceArray = new COSArray();
    referenceArray.add(referenceDict);//from w  w  w. ja  v  a 2s  .  com
    sigDict.setItem("Reference", referenceArray);
    referenceArray.setNeedToBeUpdated(true);

    // Catalog
    COSDictionary catalogDict = doc.getDocumentCatalog().getCOSObject();
    COSDictionary permsDict = new COSDictionary();
    catalogDict.setItem(COSName.PERMS, permsDict);
    permsDict.setItem(COSName.DOCMDP, signature);
    catalogDict.setNeedToBeUpdated(true);
    permsDict.setNeedToBeUpdated(true);
}