/// <summary>
/// Lookup SMP (service-metadata) for given participant.
/// Constructs SMP-url and extracts metadata from SMP (endpointaddress for given participant and receiving-capabilities for that endpoint)
/// SMP = Service Metadata Provider, See also http://www.peppol.eu/pilot-reporting/infrastructure/post-award-infrastructure-1/smp-providers
/// </summary>
/// <param name="participantIdentifier">participant-id, f.eks. 9908:974763907 where 9908 means norway no tax, and 974763907 is org.nr</param>
/// <returns>Information about the accesspoint for given participant. throws <see cref="SmpLookupException"/> if participant is not found</returns>
public virtual SmpInformation LookupSMP(string participantIdentifier)
{
try
{
Log.Info("Start LookupSMP");
if (string.IsNullOrEmpty(participantIdentifier))
{
throw new ArgumentNullException("participantIdentifier", "cannot be null");
}
var helper = new Helper();
const string businessIdScheme = "iso6523-actorid-upis"; //når vi spør SMP om info MÅ vi bruke denne verdien. Denne betyr at vi bruker en eller annen internasjonal ISO-standard for å definere participant-iden. POLICY 7 XML attributes for Participant Identifiers in BusDox: The “scheme” attribute must be populated with the value "iso6523-actorid-upis" (see POLICY 5) in all instances of the “ParticipantIdentifier” element
const string documentIdScheme = "busdox-docid-qns"; //denne er alltid fast.. POLICY 10: The PEPPOL document type identifier scheme to be used is: busdox-docid-qns. Applies to: all document type identifiers in all components
//fungerer: (men då spør vi bare om aksesspunkt som støtter generell type?) Men satser på at det går greit, siden oxalis i hverty fall bare har ett endpoint for alle dokument? trur denne spør om AP godtar fra versjon 1 til 2 og..
const string documentIdValue = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2::Invoice##urn:www.cenbii.eu:transaction:biicoretrdm010:ver1.0:#urn:www.peppol.eu:bis:peppol4a:ver1.0::2.0";
//Participant identifiers – consisting of scheme and value – are encoded as follows into a DNS name: 292 B-<hash-of-value>.<scheme>.<SML-zone-name>
var smpUrl = helper.BuildSmpUrl(participantIdentifier, businessIdScheme, DefaultSmlDomain);
try
{
Log.InfoFormat("Contacting SMP URL: {0}", smpUrl);
using (var client = new SimpleWebClient())
{
client.HeadOnly = true;
var s1 = client.DownloadString(smpUrl);
}
Log.Info("SMP OK");
}
catch (Exception exception)
{
Log.Error(exception);
throw new SmpLookupException(string.Format("Error contacting smpUrl ({0})", smpUrl), smpUrl, exception);
}
string endpointAddress;
try
{
Log.Info("Getting endpointaddres from service metadata..");
endpointAddress = helper.GetEndPointAddress(participantIdentifier, businessIdScheme, DefaultSmlDomain, documentIdScheme, documentIdValue);
Log.InfoFormat("Endpoint found OK: {0}", endpointAddress);
}
catch (Exception exception)
{
Log.Error(exception);
throw new SmpLookupException("Error getting endpointaddress from smp: " + exception.Message, smpUrl, exception);
}
ServiceGroup serviceGroupElements;
try
{
Log.Info("Parsing servicegroup-info from smp...");
serviceGroupElements = new ServiceGroupParser().GetServiceGroup(smpUrl);
Log.Info("Parse OK");
}
catch (Exception exception)
{
Log.Error(exception);
throw new SmpLookupException("Error getting servicegroups from smp: " + exception.Message, smpUrl, exception);
}
var temp = new SmpInformation
{
Address = endpointAddress,
FromSmpUrl = smpUrl,
ServiceGroupElements = serviceGroupElements
};
Log.Info("Returning SmpInfo");
return(temp);
}
catch (Exception exception)
{
Log.Error(exception);
throw;
}
}