private void RegisterOAuthHandler()
{
Uri tokenUri = new Uri(AzureOAuthConfiguration.GetTokenUri());
// set up the ServerRegistry
InMemoryAuthorizationServerRegistry serverRegistry = new InMemoryAuthorizationServerRegistry();
AuthorizationServerRegistration registrationInfo = new AuthorizationServerRegistration(
tokenUri,
new Uri(AzureOAuthConfiguration.EndUserEndPoint),
AzureOAuthConfiguration.GetClientIdentity(),
AzureOAuthConfiguration.ClientSecret);
serverRegistry.AddOrUpdate(registrationInfo);
OAuthClientSettings.AuthorizationServerRegistry = serverRegistry;
// set up the ResourceRegistry
InMemoryResourceScopeMappingRegistry resourceRegistry = new InMemoryResourceScopeMappingRegistry();
resourceRegistry.AddOrUpdate(AzureOAuthConfiguration.ProtectedResourceUrl,
tokenUri,
new Uri(AzureOAuthConfiguration.EndUserEndPoint),
null);
OAuthClientSettings.ResourceScopeMappingRegistry = resourceRegistry;
// Handle the requesting access token event
OAuthClientSettings.RequestingAccessToken += new EventHandler <RequestingAccessTokenEventArgs>(OAuthClientSettings_RequestingAccessToken);
// Handle the token received event
OAuthClientSettings.AccessTokenReceived += new EventHandler <AccessTokenReceivedEventArgs>(OAuthClientSettings_AccessTokenReceived);
// Handle the event when the user denies consent.
OAuthClientSettings.EndUserAuthorizationFailed += new EventHandler <EndUserAuthorizationFailedEventArgs>(OAuthClientSettings_EndUserAuthorizationFailed);
OAuthClientSettings.AuthorizationCodeReceived += new EventHandler <AuthorizationCodeReceivedEventArgs>(OAuthClientSettings_AuthorizationCodeReceived);
//register the Authentication Module
AuthenticationManager.Register(new OAuthAuthenticationModule());
}
private Status GenerateSuggestions(WorkflowInstance workflowInstance, ServerEntity entity, Dictionary <string, string> suggestionList)
{
Item item = entity as Item;
if (item == null)
{
TraceLog.TraceError("Entity is not an Item");
return(Status.Error);
}
User user = UserContext.GetUser(item.UserID, true);
if (user == null)
{
TraceLog.TraceError("Could not find the user associated with Item " + item.Name);
return(Status.Error);
}
ADGraphAPI adApi = new ADGraphAPI();
string adRefreshToken = null;
// check for FB and/or AD credentials
UserCredential cred = user.GetCredential(UserCredential.FacebookConsent);
if (cred != null && cred.AccessToken != null)
{
adApi.FacebookAccessToken = cred.AccessToken;
}
cred = user.GetCredential(UserCredential.CloudADConsent);
if (cred != null && cred.RenewalToken != null)
{
adRefreshToken = cred.RenewalToken;
}
if (adApi.FacebookAccessToken == null && adRefreshToken == null)
{ // user not having either token is not an error condition, but there is no way to generate suggestions
// just move forward from this state
return(Status.Complete);
}
// if a refresh token exists for AD, get an access token from Azure ACS for the Azure AD service
if (adRefreshToken != null)
{
try
{
AccessTokenRequestWithRefreshToken request = new AccessTokenRequestWithRefreshToken(new Uri(AzureOAuthConfiguration.GetTokenUri()))
{
RefreshToken = adRefreshToken,
ClientId = AzureOAuthConfiguration.GetClientIdentity(),
ClientSecret = AzureOAuthConfiguration.ClientSecret,
Scope = AzureOAuthConfiguration.RelyingPartyRealm,
};
OAuthMessage message = OAuthClient.GetAccessToken(request);
AccessTokenResponse authzResponse = message as AccessTokenResponse;
adApi.ADAccessToken = authzResponse.AccessToken;
// workaround for ACS trashing the refresh token
if (!String.IsNullOrEmpty(authzResponse.RefreshToken))
{
TraceLog.TraceInfo("Storing new CloudAD refresh token");
user.AddCredential(UserCredential.CloudADConsent, authzResponse.AccessToken, null, authzResponse.RefreshToken);
UserContext.SaveChanges();
}
}
catch (Exception ex)
{
TraceLog.TraceException("Could not contact ACS to get an access token", ex);
// Facebook credentials are not available
if (adApi.FacebookAccessToken == null)
{
return(Status.Pending); // could be a temporary outage, do not move off this state
}
}
}
// extract a subject hint if one hasn't been discovered yet
string subjectHint = GetInstanceData(workflowInstance, ActivityVariables.SubjectHint);
if (String.IsNullOrEmpty(subjectHint))
{
try
{
Phrase phrase = new Phrase(item.Name);
if (phrase.Task != null)
{
subjectHint = phrase.Task.Subject;
if (!String.IsNullOrWhiteSpace(subjectHint))
{
StoreInstanceData(workflowInstance, ActivityVariables.SubjectHint, subjectHint);
}
}
}
catch (Exception ex)
{
TraceLog.TraceException("Could not initialize NLP engine", ex);
}
}
// get contacts from Cloud AD and Facebook via the AD Graph Person service
// TODO: also get local contacts from the Contacts folder
try
{
var results = adApi.Query(subjectHint ?? "");
foreach (var subject in results)
{
// serialize an existing contact corresponding to the subject,
// or generate a new serialized contact if one wasn't found
Item contact = MakeContact(workflowInstance, item, subject);
suggestionList[contact.Name] = JsonSerializer.Serialize(contact);
}
}
catch (Exception ex)
{
TraceLog.TraceException("Could not contact Person Service", ex);
return(Status.Error);
}
// inexact match
return(Status.Pending);
}