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

Class PDDocumentUtils

java.lang.Object
br.ufsc.labsec.signature.conformanceVerifier.pdf.PDDocumentUtils
Direct Known Subclasses:
ObjectEvaluation
public class PDDocumentUtils
extends Object
Esta classe engloba métodos úteis para lidar com modificações no arquivo PDF.

  • Nested Class Summary

    Nested Classes
    Modifier and Type Class Description
    static class  PDDocumentUtils.OurPDSignature  

  • Field Summary

    Fields
    Modifier and Type Field Description
    static org.apache.pdfbox.cos.COSName ACTION  
    static org.apache.pdfbox.cos.COSName ETSI_RFC3161  
    static org.apache.pdfbox.cos.COSName LOCK  

  • Constructor Summary

    Constructors
    Constructor Description
    PDDocumentUtils()  

  • Method Summary

    Modifier and Type Method Description
    static <T extends org.apache.pdfbox.cos.COSBase>
    Optional<T>    		 as​(org.apache.pdfbox.cos.COSBase b, Class<T> clazz)  
    static org.apache.pdfbox.cos.COSObject asCOSObject​(org.apache.pdfbox.cos.COSBase b)  
    static <T extends org.apache.pdfbox.cos.COSBase>
    boolean    		 compare​(org.apache.pdfbox.cos.COSArray array1, org.apache.pdfbox.cos.COSArray array2, Class<T> clazz)  
    static int comparePosition​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature1, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature2)  
    static boolean containsTransformMethod​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static void copyVisualSignature​(org.apache.pdfbox.pdmodel.PDDocument document, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
    Copia a representação visual de uma assinatura para todas as páginas.
    static byte[] digest​(PadesSignature signature)  
    static byte[] digest​(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, PadesSignature signature)  
    static byte[] DIGEST​(PadesSignature signature)  
    static byte[] DIGEST​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, byte[] pdfBytes)  
    static byte[] DIGEST​(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, PadesSignature signature)  
    static boolean equalLock​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static org.apache.pdfbox.cos.COSName fieldTypeFromHierarchy​(org.apache.pdfbox.cos.COSBase base)  
    static String formatXpath​(String before, String now)
    Formata o XPath de uma assinatura PDF, dado o Xpath anterior e o que deve ser concatenado
    static Optional<org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm> getAcroForm​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static List<PDDocumentUtils.OurPDSignature> getApprovalSignatures​(org.apache.pdfbox.pdmodel.PDDocument document, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature certificationSignature)  
    static Optional<org.apache.pdfbox.cos.COSDictionary> getBaseAcroForm​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static String getBaseIdentification​(boolean isSignature)  
    static Optional<org.apache.pdfbox.pdmodel.PDDocumentCatalog> getCatalog​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static PDDocumentUtils.OurPDSignature getCertificationSignature​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static org.apache.pdfbox.cos.COSBase getDocMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
    Retorna o dicionário DocMDP do objeto de assinatura.
    static int getDocMDPValue​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
    Retorna o valor do parâmetro P do dicionário DocMDP.
    static int getDocMDPValueOrElse​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, int defaultValue)
    Retorna o valor do parâmetro P do dicionário DocMDP ou um valor padrão caso não exista.
    static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getEmbeddedFiles​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static Stream<org.apache.commons.lang3.tuple.Pair<byte[],​String>> getEmbeddedFiles​(org.apache.pdfbox.pdmodel.PDDocument pdfDoc, String xpathBefore)
    Checa se há EmbeddedFiles no documento que está sendo analisado e, caso possua, faça recursão de geração de relatório
    static org.apache.pdfbox.cos.COSBase getEntry​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName name)  
    static org.apache.pdfbox.cos.COSBase getFieldMDP​(org.apache.pdfbox.cos.COSBase base)  
    static org.apache.pdfbox.cos.COSBase getFieldMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static List<org.apache.pdfbox.cos.COSBase> getFieldsFromHierarchy​(org.apache.pdfbox.cos.COSArray array)  
    static void getFieldsFromHierarchy​(org.apache.pdfbox.cos.COSArray array, List<org.apache.pdfbox.cos.COSBase> leafFields)  
    static List<org.apache.pdfbox.cos.COSBase> getFieldsFromHierarchy​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature getFirstSignature​(org.apache.pdfbox.pdmodel.PDDocument document, boolean withUpdateRules)
    Retorna a primeira assinatura realizada no documento, conforme o byte range de atualizações incrementais
    static String getFullyQualifiedName​(org.apache.pdfbox.cos.COSBase base)  
    static org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature getLastSignature​(org.apache.pdfbox.pdmodel.PDDocument document)
    Retorna a última assinatura realizada no documento
    static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedObjects​(org.apache.pdfbox.cos.COSDictionary treeNode)  
    static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedObjects​(org.apache.pdfbox.cos.COSDictionary nameDictionary, org.apache.pdfbox.cos.COSName entry)  
    static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedPages​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static Optional<org.apache.pdfbox.pdmodel.PDDocumentNameDictionary> getNamesDictionary​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static String getObjectIdentification​(org.apache.pdfbox.cos.COSObject object, boolean isSignature)
    Formata as Strings que representam a identificação de uma assinatura no documento PDF (equivalente a XPath)
    static List<org.apache.pdfbox.cos.COSBase> getPageObjects​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static org.apache.pdfbox.cos.COSBase getReference​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName method)  
    static org.apache.pdfbox.cos.COSBase getReference​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSName method)  
    static String getReferenceFromSignature​(List<org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField> rawSignatures, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
    Correlacionar o COSObject de rawSignatures com a instância de PDSignature, por seus dicionários
    static Optional<org.apache.pdfbox.cos.COSArray> getReferences​(org.apache.pdfbox.cos.COSBase base)  
    static Optional<org.apache.pdfbox.cos.COSArray> getReferences​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static List<org.apache.pdfbox.cos.COSDictionary> getReferencesAsList​(org.apache.pdfbox.cos.COSBase base)  
    static List<org.apache.pdfbox.cos.COSDictionary> getReferencesAsList​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static Optional<org.apache.pdfbox.cos.COSArray> getRootFields​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static List<org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature> getSignatures​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static org.apache.pdfbox.pdmodel.PDDocument getSignedDocument​(byte[] pdfBytes, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static org.apache.pdfbox.cos.COSBase getWidgetParent​(org.apache.pdfbox.cos.COSBase base)  
    static boolean hasDocMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static boolean hasDocMDP​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static boolean hasEntry​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName entry)  
    static boolean hasFieldMDP​(org.apache.pdfbox.cos.COSBase base)  
    static boolean hasFieldMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)  
    static boolean hasJavaScript​(org.apache.pdfbox.pdmodel.PDDocument document)  
    static boolean isAnnotation​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isNonTerminalField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isPage​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isPageNode​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isPageObject​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isSignatureDictionary​(org.apache.pdfbox.cos.COSBase base, boolean timestamp)  
    static boolean isSignatureField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isSignatureField​(org.apache.pdfbox.cos.COSBase base, boolean timestamp)  
    static boolean isSignatureWidget​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isSignedSignatureField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isTerminalField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isTimestampWidget​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isUnsignedSignatureField​(org.apache.pdfbox.cos.COSBase base)  
    static boolean isWidget​(org.apache.pdfbox.cos.COSBase base)  
    static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(byte[] documentBytes)  
    static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(InputStream documentStream)  
    static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(InputStream documentStream, int size)  
    static boolean signs​(org.apache.pdfbox.cos.COSDictionary signature, long offset)  
    static boolean signs​(org.apache.pdfbox.cos.COSDictionary signature, org.apache.pdfbox.cos.COSObjectKey key, org.apache.pdfbox.pdmodel.PDDocument document)  
    static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, long offset)  
    static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSObjectKey key, org.apache.pdfbox.pdmodel.PDDocument document)  
    static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSObject object, org.apache.pdfbox.pdmodel.PDDocument document)  

    Methods inherited from class java.lang.Object

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

  • Field Details

    • ETSI_RFC3161

      public static final org.apache.pdfbox.cos.COSName ETSI_RFC3161

    • LOCK

      public static final org.apache.pdfbox.cos.COSName LOCK

    • ACTION

      public static final org.apache.pdfbox.cos.COSName ACTION

  • Constructor Details

    • PDDocumentUtils

      public PDDocumentUtils()

  • Method Details

    • getLastSignature

      public static org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature getLastSignature​(org.apache.pdfbox.pdmodel.PDDocument document)
      Retorna a última assinatura realizada no documento
      Parameters:
      document - Documento PDF
      Returns:
      A última assinatura do documento

    • getFirstSignature

      public static org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature getFirstSignature​(org.apache.pdfbox.pdmodel.PDDocument document, boolean withUpdateRules)
      Retorna a primeira assinatura realizada no documento, conforme o byte range de atualizações incrementais
      Parameters:
      document - Documento PDF
      Returns:
      A primeira assinatura do documento

    • getReferences

      public static Optional<org.apache.pdfbox.cos.COSArray> getReferences​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • getReferences

      public static Optional<org.apache.pdfbox.cos.COSArray> getReferences​(org.apache.pdfbox.cos.COSBase base)

    • getReferencesAsList

      public static List<org.apache.pdfbox.cos.COSDictionary> getReferencesAsList​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • getReferencesAsList

      public static List<org.apache.pdfbox.cos.COSDictionary> getReferencesAsList​(org.apache.pdfbox.cos.COSBase base)

    • containsTransformMethod

      public static boolean containsTransformMethod​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • getFullyQualifiedName

      public static String getFullyQualifiedName​(org.apache.pdfbox.cos.COSBase base)

    • isWidget

      public static boolean isWidget​(org.apache.pdfbox.cos.COSBase base)

    • isPage

      public static boolean isPage​(org.apache.pdfbox.cos.COSBase base)

    • isPageNode

      public static boolean isPageNode​(org.apache.pdfbox.cos.COSBase base)

    • isPageObject

      public static boolean isPageObject​(org.apache.pdfbox.cos.COSBase base)

    • getPageObjects

      public static List<org.apache.pdfbox.cos.COSBase> getPageObjects​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getCatalog

      public static Optional<org.apache.pdfbox.pdmodel.PDDocumentCatalog> getCatalog​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getAcroForm

      public static Optional<org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm> getAcroForm​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getBaseAcroForm

      public static Optional<org.apache.pdfbox.cos.COSDictionary> getBaseAcroForm​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getRootFields

      public static Optional<org.apache.pdfbox.cos.COSArray> getRootFields​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getFieldsFromHierarchy

      public static List<org.apache.pdfbox.cos.COSBase> getFieldsFromHierarchy​(org.apache.pdfbox.pdmodel.PDDocument document)

    • signs

      public static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSObject object, org.apache.pdfbox.pdmodel.PDDocument document)

    • signs

      public static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSObjectKey key, org.apache.pdfbox.pdmodel.PDDocument document)

    • signs

      public static boolean signs​(org.apache.pdfbox.cos.COSDictionary signature, org.apache.pdfbox.cos.COSObjectKey key, org.apache.pdfbox.pdmodel.PDDocument document)

    • getEntry

      public static org.apache.pdfbox.cos.COSBase getEntry​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName name)

    • hasEntry

      public static boolean hasEntry​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName entry)

    • equalLock

      public static boolean equalLock​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature) throws IOException
      Throws:
      IOException

    • compare

      public static <T extends org.apache.pdfbox.cos.COSBase> boolean compare​(org.apache.pdfbox.cos.COSArray array1, org.apache.pdfbox.cos.COSArray array2, Class<T> clazz)

    • signs

      public static boolean signs​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, long offset)

    • signs

      public static boolean signs​(org.apache.pdfbox.cos.COSDictionary signature, long offset)

    • getFieldsFromHierarchy

      public static List<org.apache.pdfbox.cos.COSBase> getFieldsFromHierarchy​(org.apache.pdfbox.cos.COSArray array)

    • getFieldsFromHierarchy

      public static void getFieldsFromHierarchy​(org.apache.pdfbox.cos.COSArray array, List<org.apache.pdfbox.cos.COSBase> leafFields)

    • getNamesDictionary

      public static Optional<org.apache.pdfbox.pdmodel.PDDocumentNameDictionary> getNamesDictionary​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getEmbeddedFiles

      public static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getEmbeddedFiles​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getNamedPages

      public static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedPages​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getNamedObjects

      public static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedObjects​(org.apache.pdfbox.cos.COSDictionary nameDictionary, org.apache.pdfbox.cos.COSName entry)

    • getNamedObjects

      public static Stream<org.apache.commons.lang3.tuple.Pair<org.apache.pdfbox.cos.COSString,​org.apache.pdfbox.cos.COSBase>> getNamedObjects​(org.apache.pdfbox.cos.COSDictionary treeNode)

    • isAnnotation

      public static boolean isAnnotation​(org.apache.pdfbox.cos.COSBase base)

    • isField

      public static boolean isField​(org.apache.pdfbox.cos.COSBase base)

    • isSignedSignatureField

      public static boolean isSignedSignatureField​(org.apache.pdfbox.cos.COSBase base)

    • isUnsignedSignatureField

      public static boolean isUnsignedSignatureField​(org.apache.pdfbox.cos.COSBase base)

    • isSignatureField

      public static boolean isSignatureField​(org.apache.pdfbox.cos.COSBase base)

    • isSignatureField

      public static boolean isSignatureField​(org.apache.pdfbox.cos.COSBase base, boolean timestamp)

    • isSignatureDictionary

      public static boolean isSignatureDictionary​(org.apache.pdfbox.cos.COSBase base, boolean timestamp)

    • comparePosition

      public static int comparePosition​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature1, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature2)

    • getCertificationSignature

      public static PDDocumentUtils.OurPDSignature getCertificationSignature​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getReference

      public static org.apache.pdfbox.cos.COSBase getReference​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, org.apache.pdfbox.cos.COSName method)

    • getReference

      public static org.apache.pdfbox.cos.COSBase getReference​(org.apache.pdfbox.cos.COSBase base, org.apache.pdfbox.cos.COSName method)

    • getDocMDP

      public static org.apache.pdfbox.cos.COSBase getDocMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
      Retorna o dicionário DocMDP do objeto de assinatura.
      Parameters:
      signature - A assinatura do documento
      Returns:
      O dicionário DocMDP ou null se não existir

    • getDocMDPValue

      public static int getDocMDPValue​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
      Retorna o valor do parâmetro P do dicionário DocMDP.
      Parameters:
      signature - A assinatura do documento
      Returns:
      O valor do parâmetro P ou -1 se não existir ou não for um dicionário válido

    • getDocMDPValueOrElse

      public static int getDocMDPValueOrElse​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, int defaultValue)
      Retorna o valor do parâmetro P do dicionário DocMDP ou um valor padrão caso não exista.
      Parameters:
      signature - A assinatura do documento
      defaultValue - O valor padrão a ser retornado caso o dicionário DocMDP não exista ou não contenha o parâmetro P
      Returns:
      O valor do parâmetro P ou o valor padrão fornecido

    • hasDocMDP

      public static boolean hasDocMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • hasDocMDP

      public static boolean hasDocMDP​(org.apache.pdfbox.pdmodel.PDDocument document)

    • getFieldMDP

      public static org.apache.pdfbox.cos.COSBase getFieldMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • getFieldMDP

      public static org.apache.pdfbox.cos.COSBase getFieldMDP​(org.apache.pdfbox.cos.COSBase base)

    • hasFieldMDP

      public static boolean hasFieldMDP​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)

    • hasFieldMDP

      public static boolean hasFieldMDP​(org.apache.pdfbox.cos.COSBase base)

    • getApprovalSignatures

      public static List<PDDocumentUtils.OurPDSignature> getApprovalSignatures​(org.apache.pdfbox.pdmodel.PDDocument document, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature certificationSignature)

    • getSignedDocument

      public static org.apache.pdfbox.pdmodel.PDDocument getSignedDocument​(byte[] pdfBytes, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature) throws IOException
      Throws:
      IOException

    • getWidgetParent

      public static org.apache.pdfbox.cos.COSBase getWidgetParent​(org.apache.pdfbox.cos.COSBase base)

    • isSignatureWidget

      public static boolean isSignatureWidget​(org.apache.pdfbox.cos.COSBase base)

    • isTimestampWidget

      public static boolean isTimestampWidget​(org.apache.pdfbox.cos.COSBase base)

    • isTerminalField

      public static boolean isTerminalField​(org.apache.pdfbox.cos.COSBase base)

    • isNonTerminalField

      public static boolean isNonTerminalField​(org.apache.pdfbox.cos.COSBase base)

    • fieldTypeFromHierarchy

      public static org.apache.pdfbox.cos.COSName fieldTypeFromHierarchy​(org.apache.pdfbox.cos.COSBase base)

    • as

      public static <T extends org.apache.pdfbox.cos.COSBase> Optional<T> as​(org.apache.pdfbox.cos.COSBase b, Class<T> clazz)

    • asCOSObject

      public static org.apache.pdfbox.cos.COSObject asCOSObject​(org.apache.pdfbox.cos.COSBase b)

    • openPDDocument

      public static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(byte[] documentBytes) throws IOException
      Throws:
      IOException

    • openPDDocument

      public static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(InputStream documentStream) throws IOException
      Throws:
      IOException

    • openPDDocument

      public static org.apache.pdfbox.pdmodel.PDDocument openPDDocument​(InputStream documentStream, int size) throws IOException
      Throws:
      IOException

    • getEmbeddedFiles

      public static Stream<org.apache.commons.lang3.tuple.Pair<byte[],​String>> getEmbeddedFiles​(org.apache.pdfbox.pdmodel.PDDocument pdfDoc, String xpathBefore)
      Checa se há EmbeddedFiles no documento que está sendo analisado e, caso possua, faça recursão de geração de relatório
      Parameters:
      pdfDoc - Documento PDF analisado no momento
      xpathBefore - XPath anterior analisado (para montar hierarquias de assinaturas)

    • formatXpath

      public static String formatXpath​(String before, String now)
      Formata o XPath de uma assinatura PDF, dado o Xpath anterior e o que deve ser concatenado
      Parameters:
      before - XPath anterior
      now - Xpath a ser concatenado
      Returns:
      XPath concatenado

    • getReferenceFromSignature

      public static String getReferenceFromSignature​(List<org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField> rawSignatures, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature)
      Correlacionar o COSObject de rawSignatures com a instância de PDSignature, por seus dicionários
      Parameters:
      rawSignatures - Lista de COSObject correspondentes à assinaturas
      signature - Instância de PDSignature que deve ser feita correlação
      Returns:
      XPath de referência da assinatura

    • getObjectIdentification

      public static String getObjectIdentification​(org.apache.pdfbox.cos.COSObject object, boolean isSignature)
      Formata as Strings que representam a identificação de uma assinatura no documento PDF (equivalente a XPath)
      Parameters:
      object - Objeto que detém a informação de identificação no documento
      Returns:
      XPath formatado de identificação da assinatura no documento PDF

    • getBaseIdentification

      public static String getBaseIdentification​(boolean isSignature)

    • getSignatures

      public static List<org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature> getSignatures​(org.apache.pdfbox.pdmodel.PDDocument document)

    • digest

      public static byte[] digest​(PadesSignature signature) throws IOException
      Throws:
      IOException

    • digest

      public static byte[] digest​(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, PadesSignature signature) throws IOException
      Throws:
      IOException

    • DIGEST

      public static byte[] DIGEST​(PadesSignature signature)

    • DIGEST

      public static byte[] DIGEST​(org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature, byte[] pdfBytes)

    • DIGEST

      public static byte[] DIGEST​(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, PadesSignature signature)

    • copyVisualSignature

      public static void copyVisualSignature​(org.apache.pdfbox.pdmodel.PDDocument document, org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature signature) throws IOException
      Copia a representação visual de uma assinatura para todas as páginas. Não faz nada caso a assinatura não seja encontrada no documento ou não tenha representação visual.
      Parameters:
      document - Documento com assinatura
      signature - Assinatura com representação visual a ser copiada
      Throws:
      IOException - Caso ocorra algum erro ao manipular o documento

    • hasJavaScript

      public static boolean hasJavaScript​(org.apache.pdfbox.pdmodel.PDDocument document)