From 7b402478784fe7237ade7c32d07f034fd7083bb7 Mon Sep 17 00:00:00 2001 From: Andreas Fitzek Date: Mon, 24 Nov 2014 15:45:18 +0100 Subject: verification changes --- .../lib/impl/pdfbox/positioning/Positioning.java | 83 ++++++++++++++++++++-- .../lib/impl/signing/pdfbox/PADESPDFBOXSigner.java | 46 +++++++----- .../impl/signing/pdfbox/PdfboxSignerWrapper.java | 3 + 3 files changed, 110 insertions(+), 22 deletions(-) (limited to 'pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl') diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/positioning/Positioning.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/positioning/Positioning.java index 4efa2148..677bfc00 100644 --- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/positioning/Positioning.java +++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/pdfbox/positioning/Positioning.java @@ -23,6 +23,9 @@ ******************************************************************************/ package at.gv.egiz.pdfas.lib.impl.pdfbox.positioning; +import java.awt.geom.AffineTransform; +import java.awt.geom.Point2D; + import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.common.PDRectangle; @@ -44,7 +47,7 @@ public class Positioning { private static final Logger logger = LoggerFactory .getLogger(Positioning.class); - + /** * The left/right margin. */ @@ -79,6 +82,63 @@ public class Positioning { pdf_table, pos, legacy32); } + private static PDRectangle rotateBox(PDRectangle cropBox, int rotation) { + if (rotation != 0) { + Point2D upSrc = new Point2D.Float(); + + upSrc.setLocation(cropBox.getUpperRightX(), + cropBox.getUpperRightY()); + + Point2D llSrc = new Point2D.Float(); + llSrc.setLocation(cropBox.getLowerLeftX(), cropBox.getLowerLeftY()); + AffineTransform transform = new AffineTransform(); + transform.setToIdentity(); + if (rotation % 360 != 0) { + transform.setToRotation(Math.toRadians(rotation * -1), llSrc.getX(), + llSrc.getY()); + } + Point2D upDst = new Point2D.Float(); + transform.transform(upSrc, upDst); + + Point2D llDst = new Point2D.Float(); + transform.transform(llSrc, llDst); + + float y1 = (float) upDst.getY(); + float y2 = (float) llDst.getY(); + + if(y1 > y2) { + float t = y1; + y1 = y2; + y2 = t; + } + + if(y1 < 0) { + y2 = y2 + -1 * y1; + y1 = 0; + } + + float x1 = (float) upDst.getX(); + float x2 = (float) llDst.getX(); + + if(x1 > x2) { + float t = x1; + x1 = x2; + x2 = t; + } + + if(x1 < 0) { + x2 = x2 + -1 * x1; + x1 = 0; + } + + cropBox.setUpperRightX(x2); + cropBox.setUpperRightY(y2); + cropBox.setLowerLeftY(y1); + cropBox.setLowerLeftX(x1); + } + return cropBox; + } + /** * Sets the width of the table according to the layout of the document and * calculates the y position where the PDFPTable should be placed. @@ -94,7 +154,7 @@ public class Positioning { public static PositioningInstruction adjustSignatureTableandCalculatePosition( final PDDocument pdfDataSource, IPDFVisualObject pdf_table, TablePos pos, boolean legacy32) throws PdfAsException { - + PdfBoxUtils.checkPDFPermissions(pdfDataSource); // get pages of currentdocument @@ -114,13 +174,13 @@ public class Positioning { // ") cannot be parsed."); } } - + PDPage pdPage = (PDPage) pdfDataSource.getDocumentCatalog() .getAllPages().get(page - 1); PDRectangle cropBox = pdPage.getCropBox(); // fallback to MediaBox if Cropbox not available! - + if (cropBox == null) { cropBox = pdPage.findCropBox(); } @@ -136,9 +196,20 @@ public class Positioning { // Integer rotation = pdPage.getRotation(); // int page_rotation = rotation.intValue(); + int rotation = pdPage.findRotation(); + + logger.debug("Original CropBox: " + cropBox.toString()); + + //cropBox = rotateBox(cropBox, rotation); + + logger.debug("Rotated CropBox: " + cropBox.toString()); + float page_width = cropBox.getWidth(); float page_height = cropBox.getHeight(); + logger.debug("CropBox width: " + page_width); + logger.debug("CropBox heigth: " + page_height); + // now we can calculate x-position float pre_pos_x = SIGNATURE_MARGIN_HORIZONTAL; if (!pos.isXauto()) { @@ -191,11 +262,11 @@ public class Positioning { // fit // Now we have to getfreespace in page and reguard footerline float footer_line = pos.getFooterLine(); - + float pre_page_length = PDFUtilities.calculatePageLength(pdfDataSource, page - 1, page_height - footer_line, /* page_rotation, */ legacy32); - + if (pre_page_length == Float.NEGATIVE_INFINITY) { // we do have an empty page or nothing in area above footerline pre_page_length = page_height; diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java index 9d50a348..f050a977 100644 --- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java +++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java @@ -257,6 +257,34 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { .determineTablePositioning(tablePos, "", doc, visualObject, legacy32Position); + if (positioningInstruction.isMakeNewPage()) { + int last = doc.getNumberOfPages() - 1; + PDDocumentCatalog root = doc.getDocumentCatalog(); + PDPageNode rootPages = root.getPages(); + List kids = new ArrayList(); + rootPages.getAllKids(kids); + PDPage lastPage = kids.get(last); + rootPages.getCOSObject().setNeedToBeUpdate(true); + PDPage p = new PDPage(lastPage.findMediaBox()); + p.setResources(new PDResources()); + + doc.addPage(p); + } + + // handle rotated page + PDDocumentCatalog documentCatalog = doc.getDocumentCatalog(); + PDPageNode documentPages = documentCatalog.getPages(); + List documentPagesKids = new ArrayList(); + documentPages.getAllKids(documentPagesKids); + int targetPageNumber = positioningInstruction.getPage(); + logger.debug("Target Page: " + targetPageNumber); + //rootPages.getAllKids(kids); + PDPage targetPage = documentPagesKids.get(targetPageNumber-1); + int rot = targetPage.findRotation(); + logger.debug("adding Page rotation: " + rot); + positioningInstruction.setRotation(positioningInstruction.getRotation() + rot); + logger.debug("resulting Sign rotation: " + positioningInstruction.getRotation()); + SignaturePositionImpl position = new SignaturePositionImpl(); position.setX(positioningInstruction.getX()); position.setY(positioningInstruction.getY()); @@ -278,7 +306,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { * sigbos.write(StreamUtils.inputStreamToByteArray(properties * .getVisibleSignature())); sigbos.close(); */ - + if (signaturePlaceholderData != null) { // Placeholder found! // replace placeholder @@ -308,20 +336,6 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { + signaturePlaceholderData.getPlaceholderName()); } - if (positioningInstruction.isMakeNewPage()) { - int last = doc.getNumberOfPages() - 1; - PDDocumentCatalog root = doc.getDocumentCatalog(); - PDPageNode rootPages = root.getPages(); - List kids = new ArrayList(); - rootPages.getAllKids(kids); - PDPage lastPage = kids.get(last); - rootPages.getCOSObject().setNeedToBeUpdate(true); - PDPage p = new PDPage(lastPage.findMediaBox()); - p.setResources(new PDResources()); - - doc.addPage(p); - } - if (signatureProfileSettings.isPDFA()) { PDDocumentCatalog root = doc.getDocumentCatalog(); COSBase base = root.getCOSDictionary().getItem( @@ -363,7 +377,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { // sigBlock.setTitle("Signature Table"); // } // } - + options.setPage(positioningInstruction.getPage()); options.setVisualSignature(properties.getVisibleSignature()); } diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java index cad7536e..12b24b3f 100644 --- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java +++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PdfboxSignerWrapper.java @@ -23,10 +23,12 @@ ******************************************************************************/ package at.gv.egiz.pdfas.lib.impl.signing.pdfbox; +import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.Calendar; +import org.apache.commons.io.IOUtils; import org.apache.pdfbox.exceptions.SignatureException; import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature; import org.slf4j.Logger; @@ -68,6 +70,7 @@ public class PdfboxSignerWrapper implements PDFASPDFBOXSignatureInterface { try { logger.debug("Signing with Pdfbox Wrapper"); byte[] signature = signer.sign(data, byteRange, this.parameters, this.requestedSignature); + return signature; } catch (PdfAsException e) { throw new PdfAsWrappedIOException(e); -- cgit v1.2.3