public void ApproveCertificateRequest(NodeId requestId, bool isRejected)
{
if (NodeId.IsNull(requestId))
{
throw new ArgumentNullException("requestId");
}
Guid?id = requestId.Identifier as Guid?;
if (id == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdInvalid);
}
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var request = (from x in entities.CertificateRequests where x.RequestId == id select x).SingleOrDefault();
if (request == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdUnknown);
}
request.State = (int)((isRejected)?CertificateRequestState.Rejected:CertificateRequestState.Approved);
entities.SaveChanges();
}
}
public bool SetApplicationTrustLists(NodeId applicationId, NodeId trustListId, NodeId httpsTrustListId)
{
if (NodeId.IsNull(applicationId))
{
throw new ArgumentNullException("applicationId");
}
if (applicationId.IdType != IdType.Guid || NamespaceIndex != applicationId.NamespaceIndex)
{
throw new ArgumentException("The application id is not recognized.", "applicationId");
}
Guid id = (Guid)applicationId.Identifier;
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var result = (from x in entities.Applications where x.ApplicationId == id select x).SingleOrDefault();
if (result == null)
{
return(false);
}
result.TrustListId = null;
result.HttpsTrustListId = null;
if (trustListId != null)
{
string storePath = trustListId.ToString();
var result2 = (from x in entities.CertificateStores where x.Path == storePath select x).SingleOrDefault();
if (result2 != null)
{
result.TrustListId = result2.ID;
}
}
if (httpsTrustListId != null)
{
string storePath = httpsTrustListId.ToString();
var result2 = (from x in entities.CertificateStores where x.Path == storePath select x).SingleOrDefault();
if (result2 != null)
{
result.HttpsTrustListId = result2.ID;
}
}
entities.SaveChanges();
}
return(true);
}
public NodeId CreateCertificateRequest(
NodeId applicationId,
byte[] certificate,
byte[] privateKey,
string authorityId)
{
if (NodeId.IsNull(applicationId))
{
throw new ArgumentNullException("applicationId");
}
Guid?id = applicationId.Identifier as Guid?;
if (id == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdInvalid);
}
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var application = (from x in entities.Applications where x.ApplicationId == id select x).SingleOrDefault();
if (application == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdUnknown);
}
var request = (from x in application.CertificateRequests where x.AuthorityId == authorityId select x).SingleOrDefault();
bool isNew = false;
if (request == null)
{
request = new CertificateRequest()
{
RequestId = Guid.NewGuid(), AuthorityId = authorityId
};
isNew = true;
}
request.State = (int)CertificateRequestState.New;
request.Certificate = certificate;
request.PrivateKey = privateKey;
if (isNew)
{
application.CertificateRequests.Add(request);
}
entities.SaveChanges();
return(new NodeId(request.RequestId, NamespaceIndex));
}
}
public ApplicationRecordDataType[] FindApplications(string applicationUri)
{
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var results = from x in entities.Applications
where x.ApplicationUri == applicationUri
select x;
List <ApplicationRecordDataType> records = new List <ApplicationRecordDataType>();
foreach (var result in results)
{
LocalizedText[] names = null;
if (result.ApplicationName != null)
{
names = new LocalizedText[] { result.ApplicationName };
}
StringCollection discoveryUrls = null;
if (result.ServerEndpoints != null)
{
discoveryUrls = new StringCollection();
foreach (var endpoint in result.ServerEndpoints)
{
discoveryUrls.Add(endpoint.DiscoveryUrl);
}
}
string[] capabilities = null;
if (result.ServerCapabilities != null)
{
capabilities = result.ServerCapabilities.Split(',');
}
records.Add(new ApplicationRecordDataType()
{
ApplicationId = new NodeId(result.ApplicationId, NamespaceIndex),
ApplicationUri = result.ApplicationUri,
ApplicationType = (ApplicationType)result.ApplicationType,
ApplicationNames = new LocalizedTextCollection(names),
ProductUri = result.ProductUri,
DiscoveryUrls = discoveryUrls,
ServerCapabilities = capabilities
});
}
return(records.ToArray());
}
}
public void UnregisterApplication(
NodeId applicationId,
out byte[] certificate,
out byte[] httpsCertificate)
{
if (NodeId.IsNull(applicationId))
{
throw new ArgumentNullException("applicationId");
}
Guid?id = applicationId.Identifier as Guid?;
if (id == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdUnknown);
}
List <byte[]> certificates = new List <byte[]>();
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var result = (from ii in entities.Applications
where ii.ApplicationId == id.Value
select ii).SingleOrDefault();
if (result == null)
{
throw new ArgumentException("A record with the specified application id does not exist.", "applicationId");
}
certificate = result.Certificate;
httpsCertificate = result.HttpsCertificate;
foreach (var entry in new List <CertificateRequest>(result.CertificateRequests))
{
entities.CertificateRequests.Remove(entry);
}
foreach (var entry in new List <ApplicationName>(result.ApplicationNames))
{
entities.ApplicationNames.Remove(entry);
}
foreach (var entry in new List <ServerEndpoint>(result.ServerEndpoints))
{
entities.ServerEndpoints.Remove(entry);
}
entities.Applications.Remove(result);
entities.SaveChanges();
}
}
public bool SetApplicationCertificate(NodeId applicationId, byte[] certificate, bool isHttpsCertificate)
{
if (NodeId.IsNull(applicationId))
{
throw new ArgumentNullException("applicationId");
}
if (applicationId.IdType != IdType.Guid || NamespaceIndex != applicationId.NamespaceIndex)
{
throw new ArgumentException("The application id is not recognized.", "applicationId");
}
Guid id = (Guid)applicationId.Identifier;
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var results = from x in entities.Applications
where x.ApplicationId == id
select x;
var result = results.SingleOrDefault();
if (result == null)
{
return(false);
}
if (isHttpsCertificate)
{
result.HttpsCertificate = certificate;
}
else
{
result.Certificate = certificate;
}
entities.SaveChanges();
}
return(true);
}
public ServerOnNetwork[] QueryServers(
uint startingRecordId,
uint maxRecordsToReturn,
string applicationName,
string applicationUri,
string productUri,
string[] serverCapabilities,
out DateTime lastCounterResetTime)
{
lastCounterResetTime = DateTime.MinValue;
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var results = from x in entities.ServerEndpoints
join y in entities.Applications on x.ApplicationId equals y.ID
where ((int)startingRecordId == 0 || (int)startingRecordId < x.ID)
orderby x.ID
select new
{
x.ID,
y.ApplicationName,
y.ApplicationUri,
y.ProductUri,
x.DiscoveryUrl,
y.ServerCapabilities
};
List <ServerOnNetwork> records = new List <ServerOnNetwork>();
foreach (var result in results)
{
if (!String.IsNullOrEmpty(applicationName))
{
if (!Match(result.ApplicationName, applicationName))
{
continue;
}
}
if (!String.IsNullOrEmpty(applicationUri))
{
if (!Match(result.ApplicationUri, applicationUri))
{
continue;
}
}
if (!String.IsNullOrEmpty(productUri))
{
if (!Match(result.ProductUri, productUri))
{
continue;
}
}
string[] capabilities = null;
if (result.ServerCapabilities != null)
{
capabilities = result.ServerCapabilities.Split(',');
}
if (serverCapabilities != null && serverCapabilities.Length > 0)
{
bool match = true;
for (int ii = 0; ii < serverCapabilities.Length; ii++)
{
if (capabilities == null || !capabilities.Contains(serverCapabilities[ii]))
{
match = false;
break;
}
}
if (!match)
{
continue;
}
}
records.Add(new ServerOnNetwork()
{
RecordId = (uint)result.ID,
ServerName = result.ApplicationName,
DiscoveryUrl = result.DiscoveryUrl,
ServerCapabilities = capabilities
});
}
return(records.ToArray());
}
}
public ApplicationRecordDataType GetApplication(NodeId applicationId)
{
if (NodeId.IsNull(applicationId))
{
return(null);
}
if (applicationId.IdType != IdType.Guid || NamespaceIndex != applicationId.NamespaceIndex)
{
return(null);
}
Guid id = (Guid)applicationId.Identifier;
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var results = from x in entities.Applications
where x.ApplicationId == id
select x;
var result = results.SingleOrDefault();
if (result == null)
{
return(null);
}
LocalizedText[] names = null;
if (result.ApplicationName != null)
{
names = new LocalizedText[] { result.ApplicationName };
}
StringCollection discoveryUrls = null;
if (result.ServerEndpoints != null)
{
discoveryUrls = new StringCollection();
foreach (var endpoint in result.ServerEndpoints)
{
discoveryUrls.Add(endpoint.DiscoveryUrl);
}
}
string[] capabilities = null;
if (result.ServerCapabilities != null)
{
capabilities = result.ServerCapabilities.Split(',');
}
return(new ApplicationRecordDataType()
{
ApplicationId = new NodeId(result.ApplicationId, NamespaceIndex),
ApplicationUri = result.ApplicationUri,
ApplicationType = (ApplicationType)result.ApplicationType,
ApplicationNames = new LocalizedTextCollection(names),
ProductUri = result.ProductUri,
DiscoveryUrls = discoveryUrls,
ServerCapabilities = capabilities
});
}
}
public bool CompleteCertificateRequest(
NodeId applicationId,
NodeId requestId,
out byte[] certificate,
out byte[] privateKey)
{
certificate = null;
privateKey = null;
if (NodeId.IsNull(requestId))
{
throw new ArgumentNullException("requestId");
}
Guid?id = requestId.Identifier as Guid?;
if (id == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdInvalid);
}
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
var request = (from x in entities.CertificateRequests where x.RequestId == id select x).SingleOrDefault();
if (request == null)
{
throw new ServiceResultException(StatusCodes.BadNodeIdUnknown);
}
if (request.State == (int)CertificateRequestState.New)
{
return(false);
}
if (request.State == (int)CertificateRequestState.Rejected)
{
throw new ServiceResultException(StatusCodes.BadUserAccessDenied, "The certificate request has been rejected by the administrator.");
}
certificate = request.Certificate;
privateKey = request.PrivateKey;
if (request.State == (int)CertificateRequestState.Approved)
{
if (request.AuthorityId != "https")
{
request.Application.Certificate = certificate;
}
else
{
request.Application.HttpsCertificate = certificate;
}
request.State = (int)CertificateRequestState.Accepted;
}
entities.SaveChanges();
return(true);
}
}
public NodeId RegisterApplication(ApplicationRecordDataType application)
{
if (application == null)
{
throw new ArgumentNullException("application");
}
if (application.ApplicationUri == null)
{
throw new ArgumentNullException("ApplicationUri");
}
if (!Uri.IsWellFormedUriString(application.ApplicationUri, UriKind.Absolute))
{
throw new ArgumentException(application.ApplicationUri + " is not a valid URI.", "ApplicationUri");
}
if (application.ApplicationType < ApplicationType.Server || application.ApplicationType > ApplicationType.DiscoveryServer)
{
throw new ArgumentException(application.ApplicationType.ToString() + " is not a valid ApplicationType.", "ApplicationType");
}
if (application.ApplicationNames == null || application.ApplicationNames.Count == 0 || LocalizedText.IsNullOrEmpty(application.ApplicationNames[0]))
{
throw new ArgumentException("At least one ApplicationName must be provided.", "ApplicationNames");
}
if (String.IsNullOrEmpty(application.ProductUri))
{
throw new ArgumentException("A ProductUri must be provided.", "ProductUri");
}
if (!Uri.IsWellFormedUriString(application.ProductUri, UriKind.Absolute))
{
throw new ArgumentException(application.ProductUri + " is not a valid URI.", "ProductUri");
}
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
if (String.IsNullOrEmpty(discoveryUrl))
{
continue;
}
if (!Uri.IsWellFormedUriString(discoveryUrl, UriKind.Absolute))
{
throw new ArgumentException(discoveryUrl + " is not a valid URL.", "DiscoveryUrls");
}
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.DiscoveryUrls == null || application.DiscoveryUrls.Count == 0)
{
throw new ArgumentException("At least one DiscoveryUrl must be provided.", "DiscoveryUrls");
}
}
else
{
if (application.DiscoveryUrls != null && application.DiscoveryUrls.Count > 0)
{
throw new ArgumentException("DiscoveryUrls must not be specified for clients.", "DiscoveryUrls");
}
}
StringBuilder capabilities = new StringBuilder();
if (application.ServerCapabilities != null)
{
foreach (var capability in application.ServerCapabilities)
{
if (String.IsNullOrEmpty(capability))
{
continue;
}
if (capabilities.Length > 0)
{
capabilities.Append(',');
}
capabilities.Append(capability);
}
}
if (application.ApplicationType != ApplicationType.Client)
{
if (application.ServerCapabilities == null || application.ServerCapabilities.Count == 0)
{
throw new ArgumentException("At least one Server Capability must be provided.", "ServerCapabilities");
}
}
Guid applicationId = Guid.Empty;
if (!NodeId.IsNull(application.ApplicationId))
{
if (application.ApplicationId.IdType != IdType.Guid)
{
throw new ArgumentException("The ApplicationId to does refer to a existing record.", "ApplicationId");
}
applicationId = (Guid)application.ApplicationId.Identifier;
}
using (Opc.Ua.Gds.gdsdbEntities entities = new Opc.Ua.Gds.gdsdbEntities())
{
Application record = null;
if (applicationId != Guid.Empty)
{
var results = from ii in entities.Applications
where ii.ApplicationId == applicationId
select ii;
record = results.SingleOrDefault();
if (record != null)
{
var endpoints = from ii in entities.ServerEndpoints
where ii.ApplicationId == record.ID
select ii;
foreach (var endpoint in endpoints)
{
entities.ServerEndpoints.Remove(endpoint);
}
var names = from ii in entities.ApplicationNames
where ii.ApplicationId == record.ID
select ii;
foreach (var name in names)
{
entities.ApplicationNames.Remove(name);
}
entities.SaveChanges();
}
}
bool isNew = false;
if (record == null)
{
record = new Application()
{
ApplicationId = Guid.NewGuid()
};
isNew = true;
}
record.ApplicationUri = application.ApplicationUri;
record.ApplicationName = application.ApplicationNames[0].Text;
record.ApplicationType = (int)application.ApplicationType;
record.ProductUri = application.ProductUri;
record.ServerCapabilities = capabilities.ToString();
if (isNew)
{
entities.Applications.Add(record);
}
entities.SaveChanges();
if (application.DiscoveryUrls != null)
{
foreach (var discoveryUrl in application.DiscoveryUrls)
{
entities.ServerEndpoints.Add(new ServerEndpoint()
{
ApplicationId = record.ID, DiscoveryUrl = discoveryUrl
});
}
}
if (application.ApplicationNames != null && application.ApplicationNames.Count > 1)
{
foreach (var applicationName in application.ApplicationNames)
{
entities.ApplicationNames.Add(new ApplicationName()
{
ApplicationId = record.ID, Locale = applicationName.Locale, Text = applicationName.Text
});
}
}
entities.SaveChanges();
return(new NodeId(record.ApplicationId, NamespaceIndex));
}
}
