/// <summary>
/// Downloads the document that was uploaded before and signed offline.
/// </summary>
/// <remarks>
/// The session is closed when the downloads finishes, it can't be reused afterward and should be removed from the storage.
/// </remarks>
/// <param name="session">The session linked to the uploaded document</param>
/// <returns>The document with signature, including id and mimeType</returns>
/// <exception cref="ArgumentException">When the signResponse isn't valid, including its signature</exception>
/// <exception cref="InvalidOperationException">When the e-contract service returns an error</exception>
public Document DownloadDocument(Dssp2StepSession session)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
var client = CreateDSSPClient();
var downloadRequest = CreateDownloadRequest(session);
SignResponse downloadResponse = client.sign(downloadRequest);
return(ProcessResponseWithSignedDoc(downloadResponse));
}
/// <summary>
/// Downloads the document that was uploaded before and signed offline.
/// </summary>
/// <see cref="DownloadDocument(Dssp2StepSession)"/>
public async Task <Document> DownloadDocumentAsync(Dssp2StepSession session)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
var client = CreateDSSPClient();
var downloadRequest = CreateDownloadRequest(session);
signResponse1 downloadResponse = await client.signAsync(downloadRequest);
return(ProcessResponseWithSignedDoc(downloadResponse.SignResponse));
}
private SignRequest CreateDownloadRequest(Dssp2StepSession session)
{
return(new SignRequest()
{
Profile = "http://docs.oasis-open.org/dss-x/ns/localsig",
OptionalInputs = new OptionalInputs()
{
SignatureType = SignatureType,
ServicePolicy = "http://docs.oasis-open.org/dss-x/ns/localsig/two-step-approach",
CorrelationID = session.CorrelationId,
SignatureObject = new SignatureObject()
{
Base64Signature = new Base64Signature()
{
Value = session.SignValue
}
}
}
});
}