Package br.ufsc.labsec.signature.conformanceVerifier.pdf

Class ObjectEvaluation

java.lang.Object

br.ufsc.labsec.signature.conformanceVerifier.pdf.PDDocumentUtils

br.ufsc.labsec.signature.conformanceVerifier.pdf.ObjectEvaluation

public class ObjectEvaluation
extends PDDocumentUtils

Esta classe engloba métodos para a avaliação de objetos em uma assinatura PDF.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ObjectEvaluation.Change
static class	ObjectEvaluation.DocMDP	P number (Optional) The access permissions granted for this document.
static class	ObjectEvaluation.FallbackSelectiveComputation	Opção de fallback definida com permissões de acesso igual 2
static class	ObjectEvaluation.FieldMDP
static interface	ObjectEvaluation.SelectiveComputation
static class	ObjectEvaluation.Selectiveness

Nested classes/interfaces inherited from class br.ufsc.labsec.signature.conformanceVerifier.pdf.PDDocumentUtils

PDDocumentUtils.OurPDSignature

Field Summary

Fields

Modifier and Type	Field	Description
protected List<org.apache.pdfbox.cos.COSObjectKey>	objects	Lista de objetos a serem avaliados
protected int	p	Valor do parâmetro de transformação

Fields inherited from class br.ufsc.labsec.signature.conformanceVerifier.pdf.PDDocumentUtils

ACTION, ETSI_RFC3161

Constructor Summary

Constructors

Constructor	Description
ObjectEvaluation()

Method Summary

Modifier and Type	Method	Description
boolean	allValidEntries(org.apache.pdfbox.cos.COSBase base, Set<org.apache.pdfbox.cos.COSName> validEntries)
protected void	appendIdentifier(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream)
protected List<Action>	compare(org.apache.pdfbox.cos.COSBase a, org.apache.pdfbox.cos.COSBase b, br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path, org.apache.pdfbox.cos.COSObjectKey origin, Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)
protected boolean	compute(org.apache.pdfbox.cos.COSBase a, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)	Escreve em um outputStream os dados de uma estrutura interna do PDF.
boolean	computeAction(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
boolean	computeAdditionalActions(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected boolean	computeAnnotation(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected boolean	computeAnnotations(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, Set<org.apache.pdfbox.cos.COSObjectKey> existingSignatureFields, ObjectEvaluation.SelectiveComputation selectiveComputation, org.apache.pdfbox.pdmodel.PDDocument document)
protected void	computeArray(org.apache.pdfbox.cos.COSArray array, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected void	computeBoolean(org.apache.pdfbox.cos.COSBoolean cosboolean, OutputStream outputStream)
protected void	computeDictionary(org.apache.pdfbox.cos.COSDictionary cosDictionary, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected byte[]	computeDocument(org.apache.pdfbox.pdmodel.PDDocument document, Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected boolean	computeEmbeddedFiles(org.apache.pdfbox.cos.COSString filename, org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
byte[]	computeFields(org.apache.pdfbox.pdmodel.PDDocument document, ObjectEvaluation.FieldMDP fieldMDP)
protected void	computeFloat(org.apache.pdfbox.cos.COSFloat cosfloat, OutputStream outputStream)
boolean	computeFormField(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected void	computeInteger(org.apache.pdfbox.cos.COSInteger cosinteger, OutputStream outputStream)
protected void	computeName(org.apache.pdfbox.cos.COSName cosname, OutputStream outputStream)
protected boolean	computeNamedPage(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields, ObjectEvaluation.SelectiveComputation selectiveComputation, org.apache.pdfbox.pdmodel.PDDocument document)
protected void	computeNull(org.apache.pdfbox.cos.COSNull cosnull, OutputStream outputStream)
protected void	computeObject(org.apache.pdfbox.cos.COSObject object, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected boolean	computePageObject(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields, ObjectEvaluation.SelectiveComputation selectiveComputation, org.apache.pdfbox.pdmodel.PDDocument document)
protected boolean	computeStream(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected void	computeString(org.apache.pdfbox.cos.COSString cosstring, OutputStream outputStream)
protected int	findInCOSArray(org.apache.pdfbox.cos.COSArray array, org.apache.pdfbox.cos.COSBase base, br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path, Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)	Busca a posição do elemento no array
protected void	ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary, org.apache.pdfbox.cos.COSName entry, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected void	ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary, org.apache.pdfbox.cos.COSName entry, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation, boolean inheritable)
protected void	ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary, org.apache.pdfbox.cos.COSName entry, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation, boolean inheritable, Callable<?> callable)
protected void	ifPresentKeyValuePair(org.apache.pdfbox.cos.COSDictionary dictionary, org.apache.pdfbox.cos.COSName key, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
boolean	isAAAnnotationValid(org.apache.pdfbox.cos.COSBase base)
boolean	isAACatalogValid(org.apache.pdfbox.cos.COSBase base)
boolean	isAAFormFieldValid(org.apache.pdfbox.cos.COSBase base)
boolean	isAAPageValid(org.apache.pdfbox.cos.COSBase base)
protected boolean	isEqual(org.apache.pdfbox.cos.COSBase base1, org.apache.pdfbox.cos.COSBase base2, br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path, Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)	Método de comparação entre dois objetos
protected List<Action>	parseArray(org.apache.pdfbox.cos.COSArray array1, org.apache.pdfbox.cos.COSArray array2, br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path, org.apache.pdfbox.cos.COSObjectKey origin, Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)
protected List<Action>	parseDictionary(org.apache.pdfbox.cos.COSDictionary dictionary1, org.apache.pdfbox.cos.COSDictionary dictionary2, br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path, org.apache.pdfbox.cos.COSObjectKey origin, Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)
protected void	tryComputeObjectOr(org.apache.pdfbox.cos.COSBase base, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, Callable<?> runnable)
protected void	write4bytesInteger(int integer, OutputStream outputStream)
protected void	writeKeyValuePair(org.apache.pdfbox.cos.COSName key, org.apache.pdfbox.cos.COSBase value, OutputStream outputStream, Set<org.apache.pdfbox.cos.COSObjectKey> visited, ObjectEvaluation.SelectiveComputation selectiveComputation)
protected void	writeName(org.apache.pdfbox.cos.COSName cosname, OutputStream outputStream)

Methods inherited from class br.ufsc.labsec.signature.conformanceVerifier.pdf.PDDocumentUtils

as, asCOSObject, asOptional, closePDDocument, compare, comparePosition, containsTransformMethod, copyVisualSignature, digest, digest, DIGEST, DIGEST, DIGEST, equalLock, fieldTypeFromHierarchy, formatXpath, GET_SIGNED_DOCUMENT, getAcroForm, getAnnotations, getApprovalSignatures, getBaseAcroForm, getBaseIdentification, getByteRangeForRemovingLastSignature, getCatalog, getCertificationSignature, getDocMDP, getDocTimestampsOfSignature, getDocTimestampsOfSignature, getEmbeddedFiles, getEmbeddedFiles, getEntry, getFieldMDP, getFieldMDP, getFieldsFromHierarchy, getFieldsFromHierarchy, getFieldsFromHierarchy, getFieldsFromHierarchy, getFirstSignature, getFirstSignatureByteRange, getFullyQualifiedName, getLastSignature, getNamedObjects, getNamedObjects, getNamedPages, getNamesDictionary, getObjectIdentification, getPageObjects, getPagesFromDocument, getReference, getReference, getReferenceFromSignature, getReferences, getReferences, getReferencesAsList, getReferencesAsList, getRootFields, getRootFieldsFromDocument, getSignatures, getSignedDocument, getValuesFromNameTree, getWidgetParent, hasDocMDP, hasEntry, hasFieldMDP, hasFieldMDP, isAcroForm, isAnnotation, isCatalog, isField, isFieldEntry, isNonTerminalField, isPage, isPageNode, isPageObject, isSignatureDictionary, isSignatureField, isSignatureWidget, isSignedSignatureField, isTerminalField, isTimestampField, isTimestampWidget, isUnsignedSignatureField, isWidget, openPDDocument, openPDDocument, openPDDocument, retrieveAddress, signs, signs, signs, signs, signs, toCOSObjectKey

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

objects

protected List<org.apache.pdfbox.cos.COSObjectKey> objects

Lista de objetos a serem avaliados

p

protected int p

Valor do parâmetro de transformação

Constructor Details

ObjectEvaluation

public ObjectEvaluation()

Method Details

parseDictionary

protected List<Action> parseDictionary(org.apache.pdfbox.cos.COSDictionary dictionary1,
org.apache.pdfbox.cos.COSDictionary dictionary2,
br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path,
org.apache.pdfbox.cos.COSObjectKey origin,
Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)

computeDocument

protected byte[] computeDocument(org.apache.pdfbox.pdmodel.PDDocument document,
Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                          throws IOException

Throws:

IOException

ifPresent

protected void ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary,
org.apache.pdfbox.cos.COSName entry,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                  throws IOException

Throws:

IOException

ifPresent

protected void ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary,
org.apache.pdfbox.cos.COSName entry,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation,
boolean inheritable)
                  throws IOException

Throws:

IOException

ifPresent

protected void ifPresent(org.apache.pdfbox.cos.COSDictionary dictionary,
org.apache.pdfbox.cos.COSName entry,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation,
boolean inheritable,
Callable<?> callable)
                  throws IOException

Throws:

IOException

computePageObject

protected boolean computePageObject(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields,
ObjectEvaluation.SelectiveComputation selectiveComputation,
org.apache.pdfbox.pdmodel.PDDocument document)
                             throws IOException

Throws:

IOException

computeNamedPage

protected boolean computeNamedPage(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
Set<org.apache.pdfbox.cos.COSObjectKey> previousExistingFields,
ObjectEvaluation.SelectiveComputation selectiveComputation,
org.apache.pdfbox.pdmodel.PDDocument document)
                            throws IOException

Throws:

IOException

computeEmbeddedFiles

protected boolean computeEmbeddedFiles(org.apache.pdfbox.cos.COSString filename,
org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                                throws IOException

Throws:

IOException

computeAnnotations

protected boolean computeAnnotations(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
Set<org.apache.pdfbox.cos.COSObjectKey> existingSignatureFields,
ObjectEvaluation.SelectiveComputation selectiveComputation,
org.apache.pdfbox.pdmodel.PDDocument document)
                              throws IOException

Throws:

IOException

computeAnnotation

protected boolean computeAnnotation(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                             throws IOException

Throws:

IOException

computeFormField

public boolean computeFormField(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                         throws IOException

Throws:

IOException

computeAction

public boolean computeAction(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                      throws IOException

Throws:

IOException

computeAdditionalActions

public boolean computeAdditionalActions(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                                 throws IOException

Throws:

IOException

isAACatalogValid

public boolean isAACatalogValid(org.apache.pdfbox.cos.COSBase base)

isAAPageValid

public boolean isAAPageValid(org.apache.pdfbox.cos.COSBase base)

isAAAnnotationValid

public boolean isAAAnnotationValid(org.apache.pdfbox.cos.COSBase base)

isAAFormFieldValid

public boolean isAAFormFieldValid(org.apache.pdfbox.cos.COSBase base)

allValidEntries

public boolean allValidEntries(org.apache.pdfbox.cos.COSBase base,
Set<org.apache.pdfbox.cos.COSName> validEntries)

computeFields

public byte[] computeFields(org.apache.pdfbox.pdmodel.PDDocument document,
ObjectEvaluation.FieldMDP fieldMDP)
                     throws IOException

Throws:

IOException

compute

protected boolean compute(org.apache.pdfbox.cos.COSBase a,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                   throws IOException

Escreve em um outputStream os dados de uma estrutura interna do PDF.

Parameters:

a - Estrutura de PDF contendo conteúdo

outputStream - Escrita do conteúdo de estrutura PDF

visited - Mapa de objetos visitados para evitar recursão

selectiveComputation - Parâmetros de verificação para computações seletivas.

Throws:

IOException

appendIdentifier

protected void appendIdentifier(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream)
                         throws IOException

Throws:

IOException

tryComputeObjectOr

protected void tryComputeObjectOr(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
Callable<?> runnable)
                           throws IOException

Throws:

IOException

computeObject

protected void computeObject(org.apache.pdfbox.cos.COSObject object,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                      throws IOException

Throws:

IOException

computeNull

protected void computeNull(org.apache.pdfbox.cos.COSNull cosnull,
OutputStream outputStream)
                    throws IOException

Throws:

IOException

computeInteger

protected void computeInteger(org.apache.pdfbox.cos.COSInteger cosinteger,
OutputStream outputStream)
                       throws IOException

Throws:

IOException

computeFloat

protected void computeFloat(org.apache.pdfbox.cos.COSFloat cosfloat,
OutputStream outputStream)
                     throws IOException

Throws:

IOException

computeBoolean

protected void computeBoolean(org.apache.pdfbox.cos.COSBoolean cosboolean,
OutputStream outputStream)
                       throws IOException

Throws:

IOException

computeName

protected void computeName(org.apache.pdfbox.cos.COSName cosname,
OutputStream outputStream)
                    throws IOException

Throws:

IOException

computeString

protected void computeString(org.apache.pdfbox.cos.COSString cosstring,
OutputStream outputStream)
                      throws IOException

Throws:

IOException

computeDictionary

protected void computeDictionary(org.apache.pdfbox.cos.COSDictionary cosDictionary,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                          throws IOException

Throws:

IOException

computeArray

protected void computeArray(org.apache.pdfbox.cos.COSArray array,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                     throws IOException

Throws:

IOException

computeStream

protected boolean computeStream(org.apache.pdfbox.cos.COSBase base,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                         throws IOException

Throws:

IOException

ifPresentKeyValuePair

protected void ifPresentKeyValuePair(org.apache.pdfbox.cos.COSDictionary dictionary,
org.apache.pdfbox.cos.COSName key,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                              throws IOException

Throws:

IOException

writeKeyValuePair

protected void writeKeyValuePair(org.apache.pdfbox.cos.COSName key,
org.apache.pdfbox.cos.COSBase value,
OutputStream outputStream,
Set<org.apache.pdfbox.cos.COSObjectKey> visited,
ObjectEvaluation.SelectiveComputation selectiveComputation)
                          throws IOException

Throws:

IOException

writeName

protected void writeName(org.apache.pdfbox.cos.COSName cosname,
OutputStream outputStream)
                  throws IOException

Throws:

IOException

write4bytesInteger

protected void write4bytesInteger(int integer,
OutputStream outputStream)
                           throws IOException

Throws:

IOException

compare

protected List<Action> compare(org.apache.pdfbox.cos.COSBase a,
org.apache.pdfbox.cos.COSBase b,
br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path,
org.apache.pdfbox.cos.COSObjectKey origin,
Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)

parseArray

protected List<Action> parseArray(org.apache.pdfbox.cos.COSArray array1,
org.apache.pdfbox.cos.COSArray array2,
br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path,
org.apache.pdfbox.cos.COSObjectKey origin,
Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)

findInCOSArray

protected int findInCOSArray(org.apache.pdfbox.cos.COSArray array,
org.apache.pdfbox.cos.COSBase base,
br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path,
Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)

Busca a posição do elemento no array

Parameters:

array - O array de objetos

base - O objeto base

Returns:

O índice do objeto no array

isEqual

protected boolean isEqual(org.apache.pdfbox.cos.COSBase base1,
org.apache.pdfbox.cos.COSBase base2,
br.ufsc.labsec.signature.conformanceVerifier.pdf.Action.Path path,
Map<org.apache.pdfbox.cos.COSObjectKey,List<Action>> visited)

Método de comparação entre dois objetos

Parameters:

base1 - Um objeto a ser comparado

base2 - Outro objeto a ser comparado

Returns:

Indica se os objetos são iguais