diff options
Diffstat (limited to 'pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java')
| -rw-r--r-- | pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java b/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java new file mode 100644 index 00000000..38aabadd --- /dev/null +++ b/pdf-over-signer/pdf-over-sigpdfas4/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java @@ -0,0 +1,161 @@ +/* + * Copyright 2012 by A-SIT, Secure Information Technology Center Austria + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://joinup.ec.europa.eu/software/page/eupl + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + */ +package at.asit.pdfover.signer.pdfas; + +//Imports +import iaik.x509.X509Certificate; + +import java.awt.Image; +import java.awt.image.BufferedImage; +import java.util.HashMap; +import java.util.Locale; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import at.asit.pdfover.signator.SignatureDimension; +import at.asit.pdfover.signator.SignatureParameter; +import at.asit.pdfover.signator.SignaturePosition; +import at.gv.egiz.pdfas.lib.api.Configuration; +import at.gv.egiz.pdfas.lib.api.PdfAs; +import at.gv.egiz.pdfas.lib.api.PdfAsFactory; +import at.gv.egiz.pdfas.lib.api.sign.SignParameter; + +/** + * Implementation of SignatureParameter for PDF-AS 4 Library + */ +public class PdfAs4SignatureParameter extends SignatureParameter { + /** The profile ID for the German signature block */ + private static final String PROFILE_ID_DE = "SIGNATURBLOCK_SMALL_DE_PDFA"; + /** The profile ID for the German signature block if a signature note is set */ + private static final String PROFILE_ID_DE_NOTE = "SIGNATURBLOCK_SMALL_DE_NOTE_PDFA"; + /** The profile ID for the English signature block */ + private static final String PROFILE_ID_EN = "SIGNATURBLOCK_SMALL_EN_PDFA"; + /** The profile ID for the English signature block if a signature note is set */ + private static final String PROFILE_ID_EN_NOTE = "SIGNATURBLOCK_SMALL_EN_NOTE_PDFA"; + + private HashMap<String, String> genericProperties = new HashMap<String, String>(); + + private int sig_w = 229; + private int sig_h = 77; + + /** + * SLF4J Logger instance + **/ + static final Logger log = LoggerFactory + .getLogger(PdfAs4SignatureParameter.class); + + /* (non-Javadoc) + * @see at.asit.pdfover.signator.SignatureParameter#getPlaceholderDimension() + */ + @Override + public SignatureDimension getPlaceholderDimension() { + return new SignatureDimension(this.sig_w, this.sig_h); + } + + /* (non-Javadoc) + * @see at.asit.pdfover.signator.SignatureParameter#getPlaceholder() + */ + @Override + public Image getPlaceholder() { + String sigProfile = getPdfAsSignatureProfileId(); + String sigEmblem = (getEmblem() == null ? null : getEmblem().getFileName()); + String sigNote = getProperty("SIG_NOTE"); + + try { + X509Certificate cert = new X509Certificate(PdfAs4SignatureParameter.class.getResourceAsStream("/qualified.cer")); + PdfAs pdfas = PdfAs4Helper.getPdfAs(); + Configuration conf = pdfas.getConfiguration(); + if (sigEmblem != null && !sigEmblem.trim().equals("")) { + conf.setValue("sig_obj." + sigProfile + ".value.SIG_LABEL", sigEmblem); + } + if (sigNote != null) { + conf.setValue("sig_obj." + sigProfile + ".value.SIG_NOTE", sigNote); + } + SignParameter param = PdfAsFactory + .createSignParameter(conf, null, null); + param.setSignatureProfileId(sigProfile); + Image img = pdfas.generateVisibleSignaturePreview(param, cert, 72*4); + this.sig_w = img.getWidth(null)/4; + this.sig_h = img.getHeight(null)/4; + + return img; + } catch (Exception e) { + log.error("Failed to get signature placeholder", e); + return new BufferedImage(getPlaceholderDimension().getWidth(), + getPlaceholderDimension().getHeight(), + BufferedImage.TYPE_INT_RGB); + } + } + + /* (non-Javadoc) + * @see at.asit.pdfover.signator.SignatureParameter#setProperty(java.lang.String, java.lang.String) + */ + @Override + public void setProperty(String key, String value) { + this.genericProperties.put(key, value); + } + + /* (non-Javadoc) + * @see at.asit.pdfover.signator.SignatureParameter#getProperty(java.lang.String) + */ + @Override + public String getProperty(String key) { + return this.genericProperties.get(key); + } + + /** + * Gets the Signature Position String for PDF-AS + * + * @return Signature Position String + */ + public String getPdfAsSignaturePosition() { + SignaturePosition in_pos = getSignaturePosition(); + String out_pos; + + if (!in_pos.useAutoPositioning()) { + if (in_pos.getPage() < 1) { + out_pos = String.format( + (Locale) null, + "p:new;x:%f;y:%f", in_pos.getX(), + in_pos.getY()); + } else { + out_pos = String.format( + (Locale) null, + "p:%d;x:%f;y:%f", in_pos.getPage(), in_pos.getX(), + in_pos.getY()); + } + } else { + out_pos = "p:auto;x:auto;y:auto"; + } + + return out_pos; + } + + /** + * Get the Signature Profile ID for this set of parameters + * @return the Signature Profile ID + */ + public String getPdfAsSignatureProfileId() { + String lang = getSignatureLanguage(); + boolean useNote = (getProperty("SIG_NOTE") != null); + + if (lang != null && lang.equals("en")) + return useNote ? PROFILE_ID_EN_NOTE : PROFILE_ID_EN; + + return useNote ? PROFILE_ID_DE_NOTE : PROFILE_ID_DE; + } +} |