no.difi.sdp.client2.asice.signature.XAdESArtifacts Maven / Gradle / Ivy

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Klient for sending av sikker digital post fra offentlige virksomheter.

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package no.difi.sdp.client2.asice.signature;

import org.etsi.uri._01903.v1_3.QualifyingProperties;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.xml.transform.dom.DOMResult;

import static java.util.stream.IntStream.range;

final class XAdESArtifacts {

    private static Jaxb2Marshaller marshaller;

    static {
        marshaller = new Jaxb2Marshaller();
        marshaller.setClassesToBeBound(QualifyingProperties.class);
    }


    public static XAdESArtifacts from(QualifyingProperties qualifyingProperties) {
        DOMResult domResult = new DOMResult();
        marshaller.marshal(qualifyingProperties, domResult);
        return from((Document) domResult.getNode());
    }

    private static XAdESArtifacts from(Document qualifyingPropertiesDocument) {
        Element qualifyingProperties = qualifyingPropertiesDocument.getDocumentElement();
        NodeList qualifyingPropertiesContents = qualifyingProperties.getChildNodes();
        Element signedProperties = range(0, qualifyingPropertiesContents.getLength()).mapToObj(qualifyingPropertiesContents::item)
            .filter(node -> node.getNodeType() == Node.ELEMENT_NODE)
            .map(Element.class::cast)
            .filter(element -> "SignedProperties".equals(element.getLocalName()))
            .findFirst()
            .orElseThrow(() -> new IllegalStateException("Didn't find SignedProperties in document."));
        String signerPropertiesReferenceUri = signedProperties.getAttribute("Id");
        return new XAdESArtifacts(qualifyingPropertiesDocument, signedProperties, "#" + signerPropertiesReferenceUri);
    }


    public final Document document;
    public final Element signableProperties;
    public final String signablePropertiesReferenceUri;

    private XAdESArtifacts(Document document, Element signableProperties, String signerPropertiesReferenceUri) {
        this.document = document;
        this.signableProperties = signableProperties;
        this.signablePropertiesReferenceUri = signerPropertiesReferenceUri;
    }

}