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Signature plugin: Some builder functions

This commit is contained in:
Jakub Melka 2022-05-20 19:57:35 +02:00
parent 4d8d916c3f
commit aebed28c6d
8 changed files with 1222 additions and 862 deletions
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431
Pdf4QtLib/sources/pdfdocumentbuilder.cpp
View File

@ -1928,6 +1928,30 @@ PDFObjectReference PDFDocumentBuilder::appendPage(QRectF mediaBox)
}
PDFObjectReference PDFDocumentBuilder::createAcroForm(PDFObjectReferenceVector fields)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Fields");
objectBuilder << fields;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("NeedAppearances");
objectBuilder << false;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("SigFlags");
objectBuilder << 0;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("XFA");
objectBuilder << PDFObject();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference acroForm = addObject(objectBuilder.takeObject());
setCatalogAcroForm(acroForm);
return acroForm;
}
PDFObjectReference PDFDocumentBuilder::createActionGoTo(PDFDestination destination)
{
PDFObjectFactory objectBuilder;
@ -2692,88 +2716,6 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationFileAttachment(PDFObjectR
}
PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReference page,
QRectF boundingRectangle,
QRectF textRectangle,
QString title,
QString subject,
QString contents,
TextAlignment textAlignment,
QPointF startPoint,
QPointF endPoint,
AnnotationLineEnding startLineType,
AnnotationLineEnding endLineType)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("FreeText");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Rect");
objectBuilder << boundingRectangle;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("F");
objectBuilder << 4;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("M");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("T");
objectBuilder << title;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Contents");
objectBuilder << contents;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subj");
objectBuilder << subject;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Q");
objectBuilder << WrapFreeTextAlignment(textAlignment);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("DA");
objectBuilder << WrapString("/Arial 10 Tf");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("RD");
objectBuilder << getAnnotationReductionRectangle(boundingRectangle, textRectangle);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CL");
objectBuilder.beginArray();
objectBuilder << startPoint;
objectBuilder << endPoint;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("LE");
objectBuilder.beginArray();
objectBuilder << startLineType;
objectBuilder << endLineType;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReference page,
QRectF boundingRectangle,
QRectF textRectangle,
@ -2920,6 +2862,88 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReferen
}
PDFObjectReference PDFDocumentBuilder::createAnnotationFreeText(PDFObjectReference page,
QRectF boundingRectangle,
QRectF textRectangle,
QString title,
QString subject,
QString contents,
TextAlignment textAlignment,
QPointF startPoint,
QPointF endPoint,
AnnotationLineEnding startLineType,
AnnotationLineEnding endLineType)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("FreeText");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Rect");
objectBuilder << boundingRectangle;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("F");
objectBuilder << 4;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("M");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("T");
objectBuilder << title;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Contents");
objectBuilder << contents;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subj");
objectBuilder << subject;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Q");
objectBuilder << WrapFreeTextAlignment(textAlignment);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("DA");
objectBuilder << WrapString("/Arial 10 Tf");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("RD");
objectBuilder << getAnnotationReductionRectangle(boundingRectangle, textRectangle);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CL");
objectBuilder.beginArray();
objectBuilder << startPoint;
objectBuilder << endPoint;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("LE");
objectBuilder.beginArray();
objectBuilder << startLineType;
objectBuilder << endLineType;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createAnnotationHighlight(PDFObjectReference page,
QRectF rectangle,
QColor color,
@ -3845,6 +3869,47 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationSquiggly(PDFObjectReferen
}
PDFObjectReference PDFDocumentBuilder::createAnnotationSquiggly(PDFObjectReference page,
QPolygonF quadrilaterals,
QColor color)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("Squiggly");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("C");
objectBuilder << color;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("QuadPoints");
objectBuilder << quadrilaterals;
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createAnnotationSquiggly(PDFObjectReference page,
QRectF rectangle,
QColor color,
@ -3909,47 +3974,6 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationSquiggly(PDFObjectReferen
}
PDFObjectReference PDFDocumentBuilder::createAnnotationSquiggly(PDFObjectReference page,
QPolygonF quadrilaterals,
QColor color)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("Squiggly");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("C");
objectBuilder << color;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("QuadPoints");
objectBuilder << quadrilaterals;
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createAnnotationStamp(PDFObjectReference page,
QRectF rectangle,
Stamp stampType,
@ -4233,70 +4257,6 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationText(PDFObjectReference p
}
PDFObjectReference PDFDocumentBuilder::createAnnotationUnderline(PDFObjectReference page,
QRectF rectangle,
QColor color,
QString title,
QString subject,
QString contents)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("Underline");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Rect");
objectBuilder << rectangle;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("M");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("C");
objectBuilder << color;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("T");
objectBuilder << title;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Contents");
objectBuilder << contents;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subj");
objectBuilder << subject;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("QuadPoints");
objectBuilder.beginArray();
objectBuilder << rectangle.bottomLeft();
objectBuilder << rectangle.bottomRight();
objectBuilder << rectangle.topLeft();
objectBuilder << rectangle.topRight();
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createAnnotationUnderline(PDFObjectReference page,
QRectF rectangle,
QColor color)
@ -4387,6 +4347,70 @@ PDFObjectReference PDFDocumentBuilder::createAnnotationUnderline(PDFObjectRefere
}
PDFObjectReference PDFDocumentBuilder::createAnnotationUnderline(PDFObjectReference page,
QRectF rectangle,
QColor color,
QString title,
QString subject,
QString contents)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Annot");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subtype");
objectBuilder << WrapName("Underline");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Rect");
objectBuilder << rectangle;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("P");
objectBuilder << page;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("M");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("CreationDate");
objectBuilder << WrapCurrentDateTime();
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("C");
objectBuilder << color;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("T");
objectBuilder << title;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Contents");
objectBuilder << contents;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Subj");
objectBuilder << subject;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("QuadPoints");
objectBuilder.beginArray();
objectBuilder << rectangle.bottomLeft();
objectBuilder << rectangle.bottomRight();
objectBuilder << rectangle.topLeft();
objectBuilder << rectangle.topRight();
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference annotationObject = addObject(objectBuilder.takeObject());
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Annots");
objectBuilder.beginArray();
objectBuilder << annotationObject;
objectBuilder.endArray();
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObject pageAnnots = objectBuilder.takeObject();
appendTo(page, pageAnnots);
updateAnnotationAppearanceStreams(annotationObject);
return annotationObject;
}
PDFObjectReference PDFDocumentBuilder::createCatalog()
{
PDFObjectFactory objectBuilder;
@ -4518,6 +4542,39 @@ PDFObjectReference PDFDocumentBuilder::createFileSpecification(QString fileName)
}
PDFObjectReference PDFDocumentBuilder::createSignatureDictionary(QByteArray filter,
QByteArray subfilter,
QByteArray contents,
QDateTime signingTime,
PDFInteger byteRangeItem)
{
PDFObjectFactory objectBuilder;
objectBuilder.beginDictionary();
objectBuilder.beginDictionaryItem("Type");
objectBuilder << WrapName("Sig");
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Filter");
objectBuilder << WrapName(filter);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("SubFilter");
objectBuilder << WrapName(subfilter);
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("ByteRange");
objectBuilder << std::array{ byteRangeItem, byteRangeItem, byteRangeItem, byteRangeItem };
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("Contents");
objectBuilder << contents;
objectBuilder.endDictionaryItem();
objectBuilder.beginDictionaryItem("M");
objectBuilder << signingTime;
objectBuilder.endDictionaryItem();
objectBuilder.endDictionary();
PDFObjectReference signatureDictionary = addObject(objectBuilder.takeObject());
return signatureDictionary;
}
PDFObject PDFDocumentBuilder::createTrailerDictionary(PDFObjectReference catalog)
{
PDFObjectFactory objectBuilder;

138
Pdf4QtLib/sources/pdfdocumentbuilder.h
View File

@ -39,6 +39,12 @@ struct WrapName
}
WrapName(QByteArray name) :
name(std::move(name))
{
}
QByteArray name;
};
@ -468,6 +474,11 @@ public:
PDFObjectReference appendPage(QRectF mediaBox);
/// Creates AcroForm dictionary. Erases XFA form if present.
/// \param fields Fields
PDFObjectReference createAcroForm(PDFObjectReferenceVector fields);
/// Creates GoTo action. This action changes view to a specific destination in the same document.
/// \param destination Destination
PDFObjectReference createActionGoTo(PDFDestination destination);
@ -684,36 +695,6 @@ public:
QString description);
/// Free text annotation displays text directly on a page. Text appears directly on the page, in the
/// same way, as standard text in PDF document. Free text annotations are usually used to comment
/// the document. Free text annotation can also have callout line, with, or without a knee. Specify
/// start/end point parameters of this function to get callout line.
/// \param page Page to which is annotation added
/// \param boundingRectangle Bounding rectangle of free text annotation. It must contain both
/// callout line and text rectangle.
/// \param textRectangle Rectangle with text, in absolute coordinates. They are then recomputed to
/// match bounding rectangle.
/// \param title Title
/// \param subject Subject
/// \param contents Contents (text displayed)
/// \param textAlignment Text alignment. Only horizontal alignment flags are valid.
/// \param startPoint Start point of callout line
/// \param endPoint End point of callout line
/// \param startLineType Line ending at the start point
/// \param endLineType Line ending at the end point
PDFObjectReference createAnnotationFreeText(PDFObjectReference page,
QRectF boundingRectangle,
QRectF textRectangle,
QString title,
QString subject,
QString contents,
TextAlignment textAlignment,
QPointF startPoint,
QPointF endPoint,
AnnotationLineEnding startLineType,
AnnotationLineEnding endLineType);
/// Free text annotation displays text directly on a page. Text appears directly on the page, in the
/// same way, as standard text in PDF document. Free text annotations are usually used to comment
/// the document. Free text annotation can also have callout line, with, or without a knee. Specify
@ -763,6 +744,36 @@ public:
TextAlignment textAlignment);
/// Free text annotation displays text directly on a page. Text appears directly on the page, in the
/// same way, as standard text in PDF document. Free text annotations are usually used to comment
/// the document. Free text annotation can also have callout line, with, or without a knee. Specify
/// start/end point parameters of this function to get callout line.
/// \param page Page to which is annotation added
/// \param boundingRectangle Bounding rectangle of free text annotation. It must contain both
/// callout line and text rectangle.
/// \param textRectangle Rectangle with text, in absolute coordinates. They are then recomputed to
/// match bounding rectangle.
/// \param title Title
/// \param subject Subject
/// \param contents Contents (text displayed)
/// \param textAlignment Text alignment. Only horizontal alignment flags are valid.
/// \param startPoint Start point of callout line
/// \param endPoint End point of callout line
/// \param startLineType Line ending at the start point
/// \param endLineType Line ending at the end point
PDFObjectReference createAnnotationFreeText(PDFObjectReference page,
QRectF boundingRectangle,
QRectF textRectangle,
QString title,
QString subject,
QString contents,
TextAlignment textAlignment,
QPointF startPoint,
QPointF endPoint,
AnnotationLineEnding startLineType,
AnnotationLineEnding endLineType);
/// Text markup annotation is used to highlight text. It is a markup annotation, so it can contain
/// window to be opened (and commented). This annotation is usually used to highlight text, but can
/// also highlight other things, such as images, or other graphics.
@ -1046,6 +1057,16 @@ public:
QColor color);
/// Text markup annotation is used to squiggly underline text. It is a markup annotation, so it can
/// contain window to be opened (and commented).
/// \param page Page to which is annotation added
/// \param quadrilaterals Area in which is markup displayed
/// \param color Color
PDFObjectReference createAnnotationSquiggly(PDFObjectReference page,
QPolygonF quadrilaterals,
QColor color);
/// Text markup annotation is used to squiggly underline text. It is a markup annotation, so it can
/// contain window to be opened (and commented).
/// \param page Page to which is annotation added
@ -1062,16 +1083,6 @@ public:
QString contents);
/// Text markup annotation is used to squiggly underline text. It is a markup annotation, so it can
/// contain window to be opened (and commented).
/// \param page Page to which is annotation added
/// \param quadrilaterals Area in which is markup displayed
/// \param color Color
PDFObjectReference createAnnotationSquiggly(PDFObjectReference page,
QPolygonF quadrilaterals,
QColor color);
/// Stamp annotation
/// \param page Page to which is annotation added
/// \param rectangle Stamp area
@ -1144,22 +1155,6 @@ public:
bool open);
/// Text markup annotation is used to underline text. It is a markup annotation, so it can contain
/// window to be opened (and commented).
/// \param page Page to which is annotation added
/// \param rectangle Area in which is markup displayed
/// \param color Color
/// \param title Title
/// \param subject Subject
/// \param contents Contents
PDFObjectReference createAnnotationUnderline(PDFObjectReference page,
QRectF rectangle,
QColor color,
QString title,
QString subject,
QString contents);
/// Text markup annotation is used to underline text. It is a markup annotation, so it can contain
/// window to be opened (and commented).
/// \param page Page to which is annotation added
@ -1180,6 +1175,22 @@ public:
QColor color);
/// Text markup annotation is used to underline text. It is a markup annotation, so it can contain
/// window to be opened (and commented).
/// \param page Page to which is annotation added
/// \param rectangle Area in which is markup displayed
/// \param color Color
/// \param title Title
/// \param subject Subject
/// \param contents Contents
PDFObjectReference createAnnotationUnderline(PDFObjectReference page,
QRectF rectangle,
QColor color,
QString title,
QString subject,
QString contents);
/// Creates empty catalog. This function is used, when a new document is being created. Do not call
/// this function manually.
PDFObjectReference createCatalog();
@ -1215,6 +1226,21 @@ public:
PDFObjectReference createFileSpecification(QString fileName);
/// Creates signature dictionary used for preparation in signing process. Can define parameters of the
/// signature.
/// \param filter Filter (for example, Adobe.PPKLite, Entrust.PPKEF, CiCi.SignIt, ...)
/// \param subfilter Subfilter (for example, adbe.pkcs7.detached, adbe.pkcs7.sha1,
/// ETSI.CAdES.detached, ...)
/// \param contents Contents (reserved data for signature).
/// \param signingTime Signing date/time
/// \param byteRangeItem Item which will fill byte range array.
PDFObjectReference createSignatureDictionary(QByteArray filter,
QByteArray subfilter,
QByteArray contents,
QDateTime signingTime,
PDFInteger byteRangeItem);
/// This function is used to create a new trailer dictionary, when blank document is created. Do not
/// call this function manually.
/// \param catalog Reference to document catalog

57
Pdf4QtViewerPlugins/SignaturePlugin/certificatemanager.cpp
View File

@ -190,4 +190,61 @@ bool CertificateManager::isCertificateValid(QString fileName, QString password)
return false;
}
bool SignatureFactory::sign(QString certificateName, QString password, QByteArray data, QByteArray& result)
{
QFile file(certificateName);
if (file.open(QFile::ReadOnly))
{
QByteArray certificateData = file.readAll();
file.close();
openssl_ptr<BIO> certificateBuffer(BIO_new(BIO_s_mem()), &BIO_free_all);
BIO_write(certificateBuffer.get(), certificateData.constData(), certificateData.length());
openssl_ptr<PKCS12> pkcs12(d2i_PKCS12_bio(certificateBuffer.get(), nullptr), &PKCS12_free);
if (pkcs12)
{
const char* passwordPointer = nullptr;
QByteArray passwordByteArray = password.isEmpty() ? QByteArray() : password.toUtf8();
if (!passwordByteArray.isEmpty())
{
passwordPointer = passwordByteArray.constData();
}
EVP_PKEY* key = nullptr;
X509* certificate = nullptr;
STACK_OF(X509)* certificates = nullptr;
if (PKCS12_parse(pkcs12.get(), passwordPointer, &key, &certificate, &certificates) == 1)
{
openssl_ptr<BIO> signedDataBuffer(BIO_new(BIO_s_mem()), &BIO_free_all);
BIO_write(signedDataBuffer.get(), data.constData(), data.length());
PKCS7* signature = PKCS7_sign(certificate, key, certificates, signedDataBuffer.get(), PKCS7_DETACHED | PKCS7_BINARY);
if (signature)
{
openssl_ptr<BIO> outputBuffer(BIO_new(BIO_s_mem()), &BIO_free_all);
i2d_PKCS7_bio(outputBuffer.get(), signature);
BUF_MEM* pksMemoryBuffer = nullptr;
BIO_get_mem_ptr(outputBuffer.get(), &pksMemoryBuffer);
result = QByteArray(pksMemoryBuffer->data, int(pksMemoryBuffer->length));
EVP_PKEY_free(key);
X509_free(certificate);
sk_X509_free(certificates);
return true;
}
EVP_PKEY_free(key);
X509_free(certificate);
sk_X509_free(certificates);
return false;
}
}
}
return false;
}
} // namespace pdfplugin

6
Pdf4QtViewerPlugins/SignaturePlugin/certificatemanager.h
View File

@ -53,6 +53,12 @@ public:
static bool isCertificateValid(QString fileName, QString password);
};
class SignatureFactory
{
public:
static bool sign(QString certificateName, QString password, QByteArray data, QByteArray& result);
};
} // namespace pdfplugin
#endif // CERTIFICATEMANAGER_H

9
Pdf4QtViewerPlugins/SignaturePlugin/signatureplugin.cpp
View File

@ -325,7 +325,16 @@ void SignaturePlugin::onSignDigitally()
SignDialog dialog(m_dataExchangeInterface->getMainWindow(), m_scene.isEmpty());
if (dialog.exec() == SignDialog::Accepted)
{
QByteArray data = "xxgaghre";
QByteArray result;
SignatureFactory::sign(dialog.getCertificatePath(), dialog.getPassword(), data, result);
for (int i = 1; i < 15; ++i)
{
data.append(data);
}
SignatureFactory::sign(dialog.getCertificatePath(), dialog.getPassword(), data, result);
}
}

5
Pdf4QtViewerPlugins/SignaturePlugin/signdialog.cpp
View File

@ -63,6 +63,11 @@ QString SignDialog::getCertificatePath() const
return ui->certificateCombo->currentData().toString();
}
QString SignDialog::getPassword() const
{
return ui->certificatePasswordEdit->text();
}
void SignDialog::accept()
{
// Check certificate

1
Pdf4QtViewerPlugins/SignaturePlugin/signdialog.h
View File

@ -46,6 +46,7 @@ public:
SignMethod getSignMethod() const;
QString getCertificatePath() const;
QString getPassword() const;
private:
Ui::SignDialog* ui;

1437
generated_code_definition.xml
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