CertificateExtract (Function)

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CertificateExtract (Function)

In french: CertificatExtrait

Extracts a certificate from a signature buffer or from a print duplicate.

Example

// Extraction du certificat depuis le buffer
MonCertificat is Certificate 
MonCertificat = CertificateExtract(bufSignature, certificateFromBuffer)

// Teste si la signature ne correspond pas 
// ou si le buffer est incorrect (détail dans ErreurInfo)
IF MonCertificat = Null THEN
	Error("Erreur lors de la récupération du certificat." + CR + ErrorInfo())
	RETURN
END

// Affiche le niveau de fiabilité du certificat
SWITCH MonCertificat.Reliability
	CASE certificateOk : Info("Certificat valide")
	CASE certificateInvalid : Info("Certificat invalide")
	CASE certificateUntrusted : Info("Racine de confiance du certificat non fiable")
	CASE certificateExpired : Info("Dates de validité du certificat expiré")
END

Syntax

<Result> = CertificateExtract(<Signed Element> [, <Option>])

<Result>: Certificate variable

Certificate variable extracted from the element containing the signature.

<Signed Element>: Buffer variable or character string

Corresponds to:
a signature buffer. This buffer was obtained via:
CertificateSignString or CertificateSignFile,
PDFGetSignature.
the path of a signed print duplicate. The print duplicate was signed with iParameterDuplicate.

<Option>: Optional Integer constant

Specifies the type of element used:
certificateFromBuffer
(Default value) The element is a signature buffer.
certificateFromDuplicate The element is the path of a signed duplicate file.

Component: wd300std.dll

See also

Minimum version required

Version 16

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Comments

Exemplo CertificateExtract

MyExtractedCertificate is Certificate
HReset(CERTIFICADO)
IF HReadSeek(CERTIFICADO,AGRONOMO_ID,EDT_AGRONOMO_ID,hIdentical) = True THEN

EDT_CertificadoEncodado = CERTIFICADO.CERTIFICADO_ENCODE

bufSignature is Buffer = Decode(CERTIFICADO.CERTIFICADO_ENCODE,encodeBASE64)

MyExtractedCertificate = CertificateExtract(bufSignature,certificateFromBuffer)

IF MyExtractedCertificate = Null THEN
RESULT False
END

IF MyExtractedCertificate..EndValidityDate<DateSys() THEN
Info("Certificado Vencido")
else

MySignature is pdfSignature
MySignature..Certificate = MyExtractedCertificate
MySignature..Caption = " por:" + MyExtractedCertificate..Name + " em " + DateToString(DateSys())
MySignature..Height = 264 //xAlturaTexto
MySignature..Width = 167 //xLarguraTexto
MySignature..X = 1 //xPosicaoTextoX
MySignature..Y = 15 //xPosicaoTextoY
MySignature..VerticalAlignment=iBottom
MySignature..HorizontalAlignment=iRight
END

end

Boller

03 Feb. 2023

Last update: 03/27/2025

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