private PendingRequest CreateDownloadRequest(DsspSession session)
{
return(new PendingRequest()
{
OptionalInputs = new OptionalInputs()
{
AdditionalProfile = "urn:oasis:names:tc:dss:1.0:profiles:asynchronousprocessing",
ResponseID = session.ServerId,
RequestSecurityToken = new RequestSecurityTokenType()
{
RequestType = "http://docs.oasis-open.org/ws-sx/ws-trust/200512/Cancel",
CancelTarget = new CancelTargetType()
{
SecurityTokenReference = new SecurityTokenReferenceType()
{
Reference = new ReferenceType()
{
ValueType = "http://docs.oasis-open.org/ws-sx/ws-secureconversation/200512/sct",
URI = session.KeyId
}
}
}
}
}
});
}
private DigitalSignatureServicePortTypeClient CreateDSSPClient(DsspSession session)
{
var client = new DigitalSignatureServicePortTypeClient(new ScDsspBinding(), Address);
client.ChannelFactory.Endpoint.Behaviors.Remove <ClientCredentials>();
client.ChannelFactory.Endpoint.Behaviors.Add(new ScDsspClientCredentials(session.KeyId, session.KeyValue));
return(client);
}
/// <summary>
/// Downloads the document that was uploaded before and signed via the BROWSER/POST protocol, asynchronously.
/// </summary>
/// <see cref="DownloadDocument"/>
public async Task<Document> DownloadDocumentAsync(DsspSession session)
{
if (session == null) throw new ArgumentNullException("session");
var client = CreateDSSPClient(session);
var downloadRequest = CreateDownloadRequest(session);
pendingRequestResponse downloadResponseWrapper = await client.pendingRequestAsync(downloadRequest);
return ProcessDownloadResponse(downloadResponseWrapper.SignResponse);
}
/// <summary>
/// Downloads the document that was uploaded before and signed via the BROWSER/POST protocol.
/// </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(DsspSession session)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
var client = CreateDSSPClient(session);
var downloadRequest = CreateDownloadRequest(session);
SignResponse downloadResponse = client.pendingRequest(downloadRequest);
return(ProcessResponseWithSignedDoc(downloadResponse));
}
/// <summary>
/// Downloads the document that was uploaded before and signed via the BROWSER/POST protocol, asynchronously.
/// </summary>
/// <see cref="DownloadDocument(DsspSession)"/>
public async Task <Document> DownloadDocumentAsync(DsspSession session)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
var client = CreateDSSPClient(session);
var downloadRequest = CreateDownloadRequest(session);
pendingRequestResponse downloadResponseWrapper = await client.pendingRequestAsync(downloadRequest);
return(ProcessResponseWithSignedDoc(downloadResponseWrapper.SignResponse));
}
internal static DsspSession NewSession()
{
var session = new DsspSession();
session.ClientId = "msg-" + Guid.NewGuid().ToString();
return session;
}
