svx/source/dialog/signaturelinehelper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <svx/signaturelinehelper.hxx>
  11
  12 #include <com/sun/star/drawing/XShape.hpp>
  13 #include <com/sun/star/graphic/GraphicProvider.hpp>
  14 #include <com/sun/star/security/DocumentDigitalSignatures.hpp>
  15
  16 #include <comphelper/processfactory.hxx>
  17 #include <comphelper/propertyvalue.hxx>
  18 #include <comphelper/sequenceashashmap.hxx>
  19 #include <comphelper/storagehelper.hxx>
  20 #include <comphelper/xmlsechelper.hxx>
  21 #include <config_folders.h>
  22 #include <rtl/bootstrap.hxx>
  23 #include <sal/log.hxx>
  24 #include <sfx2/docfile.hxx>
  25 #include <sfx2/docfilt.hxx>
  26 #include <sfx2/objsh.hxx>
  27 #include <svx/dialmgr.hxx>
  28 #include <svx/strings.hrc>
  29 #include <svx/svdmark.hxx>
  30 #include <svx/svdview.hxx>
  31 #include <tools/stream.hxx>
  32 #include <unotools/localedatawrapper.hxx>
  33 #include <unotools/streamwrap.hxx>
  34 #include <unotools/syslocale.hxx>
  35 #include <vcl/weld.hxx>
  36
  37 using namespace com::sun::star;
  38
  39 namespace svx::SignatureLineHelper
  40 {
  41 OUString getSignatureImage(const OUString& rType)
  42 {
  43     OUString aType = rType;
  44     if (aType.isEmpty())
  45     {
  46         aType = "signature-line.svg";
  47     }
  48     OUString aPath("$BRAND_BASE_DIR/" LIBO_SHARE_FOLDER "/filter/" + aType);
  49     rtl::Bootstrap::expandMacros(aPath);
  50     SvFileStream aStream(aPath, StreamMode::READ);
  51     if (aStream.GetError() != ERRCODE_NONE)
  52     {
  53         SAL_WARN("cui.dialogs", "failed to open " << aType);
  54     }
  55
  56     OString const svg = read_uInt8s_ToOString(aStream, aStream.remainingSize());
  57     return OUString::fromUtf8(svg);
  58 }
  59
  60 uno::Reference<security::XCertificate> getSignatureCertificate(SfxObjectShell* pShell,
  61                                                                weld::Window* pParent)
  62 {
  63     if (!pShell)
  64     {
  65         return {};
  66     }
  67
  68     if (!pParent)
  69     {
  70         return {};
  71     }
  72
  73     uno::Reference<security::XDocumentDigitalSignatures> xSigner;
  74     if (pShell->GetMedium()->GetFilter()->IsAlienFormat())
  75     {
  76         xSigner = security::DocumentDigitalSignatures::createDefault(
  77             comphelper::getProcessComponentContext());
  78     }
  79     else
  80     {
  81         OUString const aODFVersion(
  82             comphelper::OStorageHelper::GetODFVersionFromStorage(pShell->GetStorage()));
  83         xSigner = security::DocumentDigitalSignatures::createWithVersion(
  84             comphelper::getProcessComponentContext(), aODFVersion);
  85     }
  86     xSigner->setParentWindow(pParent->GetXWindow());
  87     OUString aDescription;
  88     security::CertificateKind certificateKind = security::CertificateKind_NONE;
  89     // When signing ooxml, we only want X.509 certificates
  90     if (pShell->GetMedium()->GetFilter()->IsAlienFormat())
  91     {
  92         certificateKind = security::CertificateKind_X509;
  93     }
  94     uno::Reference<security::XCertificate> xSignCertificate
  95         = xSigner->selectSigningCertificateWithType(certificateKind, aDescription);
  96     return xSignCertificate;
  97 }
  98
  99 OUString getSignerName(const css::uno::Reference<css::security::XCertificate>& xCertificate)
 100 {
 101     return comphelper::xmlsec::GetContentPart(xCertificate->getSubjectName(),
 102                                               xCertificate->getCertificateKind());
 103 }
 104
 105 OUString getLocalizedDate()
 106 {
 107     const SvtSysLocale aSysLocale;
 108     const LocaleDataWrapper& rLocaleData = aSysLocale.GetLocaleData();
 109     Date aDateTime(Date::SYSTEM);
 110     return rLocaleData.getDate(aDateTime);
 111 }
 112
 113 uno::Reference<graphic::XGraphic> importSVG(std::u16string_view rSVG)
 114 {
 115     SvMemoryStream aSvgStream(4096, 4096);
 116     aSvgStream.WriteOString(OUStringToOString(rSVG, RTL_TEXTENCODING_UTF8));
 117     uno::Reference<io::XInputStream> xInputStream(new utl::OSeekableInputStreamWrapper(aSvgStream));
 118     uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
 119     uno::Reference<graphic::XGraphicProvider> xProvider
 120         = graphic::GraphicProvider::create(xContext);
 121
 122     uno::Sequence<beans::PropertyValue> aMediaProperties{ comphelper::makePropertyValue(
 123         "InputStream", xInputStream) };
 124     uno::Reference<graphic::XGraphic> xGraphic(xProvider->queryGraphic(aMediaProperties));
 125     return xGraphic;
 126 }
 127
 128 void setShapeCertificate(const SdrView* pView,
 129                          const css::uno::Reference<css::security::XCertificate>& xCertificate)
 130 {
 131     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
 132     if (rMarkList.GetMarkCount() < 1)
 133     {
 134         return;
 135     }
 136
 137     const SdrMark* pMark = rMarkList.GetMark(0);
 138     SdrObject* pSignatureLine = pMark->GetMarkedSdrObj();
 139     if (!pSignatureLine)
 140     {
 141         return;
 142     }
 143
 144     // Remember the selected certificate.
 145     uno::Reference<drawing::XShape> xShape = pSignatureLine->getUnoShape();
 146     uno::Reference<beans::XPropertySet> xShapeProps(xShape, uno::UNO_QUERY);
 147     comphelper::SequenceAsHashMap aMap(xShapeProps->getPropertyValue("InteropGrabBag"));
 148     aMap["SignatureCertificate"] <<= xCertificate;
 149     xShapeProps->setPropertyValue("InteropGrabBag", uno::Any(aMap.getAsConstPropertyValueList()));
 150
 151     // Read svg and replace placeholder texts.
 152     OUString aSvgImage(svx::SignatureLineHelper::getSignatureImage("signature-line-draw.svg"));
 153     aSvgImage = aSvgImage.replaceAll("[SIGNED_BY]", SvxResId(RID_SVXSTR_SIGNATURELINE_DSIGNED_BY));
 154     OUString aSignerName = svx::SignatureLineHelper::getSignerName(xCertificate);
 155     aSvgImage = aSvgImage.replaceAll("[SIGNER_NAME]", aSignerName);
 156     OUString aDate = svx::SignatureLineHelper::getLocalizedDate();
 157     aDate = SvxResId(RID_SVXSTR_SIGNATURELINE_DATE).replaceFirst("%1", aDate);
 158     aSvgImage = aSvgImage.replaceAll("[DATE]", aDate);
 159
 160     uno::Reference<graphic::XGraphic> xGraphic = svx::SignatureLineHelper::importSVG(aSvgImage);
 161     xShapeProps->setPropertyValue("Graphic", uno::Any(xGraphic));
 162 }
 163 }
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */