/// <summary>
/// This method gets called when the user uses an external identity provider to authenticate.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
return inner.AuthenticateExternalAsync(context);
}
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
// look for the user in our local identity system from the external identifiers
var user = Users.SingleOrDefault(x => x.Provider == context.ExternalIdentity.Provider && x.ProviderID == context.ExternalIdentity.ProviderId);
string name = "Unknown";
if (user == null)
{
// new user, so add them here
var nameClaim = context.ExternalIdentity.Claims.First(x => x.Type == Constants.ClaimTypes.Name);
if (nameClaim != null) name = nameClaim.Value;
user = new CustomUser
{
Subject = Guid.NewGuid().ToString(),
Provider = context.ExternalIdentity.Provider,
ProviderID = context.ExternalIdentity.ProviderId,
Claims = new List<Claim> { new Claim(Constants.ClaimTypes.Name, name) }
};
Users.Add(user);
}
name = user.Claims.First(x => x.Type == Constants.ClaimTypes.Name).Value;
context.AuthenticateResult = new AuthenticateResult(user.Subject, name, identityProvider: user.Provider);
return Task.FromResult(0);
}
public async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
var externalIdentity = Mapper.Map<IdentityServerExternalIdentity, DomainExternalIdentity>(context.ExternalIdentity);
var signInData = Mapper.Map<SignInMessage, SignInData>(context.SignInMessage);
var result = await domainService.AuthenticateExternalAsync(externalIdentity, signInData);
context.AuthenticateResult = Mapper.Map<AuthenticationResult, AuthenticateResult>(result);
}
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
var provider = context.ExternalIdentity.Provider;
UserProfiles existingUser = null;
switch(provider)
{
case "Facebook":
existingUser = dbContext.UserProfiles.FirstOrDefault(x => x.FacebookId == context.ExternalIdentity.ProviderId);
break;
case "Google":
existingUser = dbContext.UserProfiles.FirstOrDefault(x => x.GoogleId == context.ExternalIdentity.ProviderId);
break;
}
if(existingUser == null)
{
var newUser = new UserProfiles();
// Add other claims
newUser.EmailAddress = context.ExternalIdentity.Claims.FirstOrDefault(x => x.Type == IdentityServer3.Core.Constants.ClaimTypes.Email).Value;
newUser.FirstName = context.ExternalIdentity.Claims.FirstOrDefault(x => x.Type == IdentityServer3.Core.Constants.ClaimTypes.GivenName).Value;
newUser.LastName = context.ExternalIdentity.Claims.FirstOrDefault(x => x.Type == IdentityServer3.Core.Constants.ClaimTypes.FamilyName).Value;
newUser.CreatedDate = DateTime.UtcNow;
switch (provider)
{
case "Facebook":
newUser.FacebookId = context.ExternalIdentity.ProviderId;
break;
case "Google":
newUser.GoogleId = context.ExternalIdentity.ProviderId;
break;
}
dbContext.UserProfiles.Add(newUser);
dbContext.SaveChanges();
existingUser = newUser;
}
// Add other claims
List<Claim> existingUserClaims = new List<Claim>();
existingUserClaims.Add(new Claim(ClaimTypes.Email, existingUser.EmailAddress));
context.AuthenticateResult = new AuthenticateResult(
existingUser.Id.ToString(),
existingUser.FirstName,
existingUserClaims,
provider,
provider);
return Task.FromResult(0);
//return base.AuthenticateExternalAsync(context);
}
public async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
context.AuthenticateResult = null;
foreach (var service in this.services)
{
await service.AuthenticateExternalAsync(context);
if (context.AuthenticateResult != null && !context.AuthenticateResult.IsError)
{
return;
}
}
}
/// <summary>
/// This method gets called when the user uses an external identity provider to authenticate.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
var query =
from u in _users
where
u.Provider == context.ExternalIdentity.Provider &&
u.ProviderId == context.ExternalIdentity.ProviderId
select u;
var user = query.SingleOrDefault();
if (user == null)
{
string displayName;
var name = context.ExternalIdentity.Claims.FirstOrDefault(x => x.Type == Constants.ClaimTypes.Name);
if (name == null)
{
displayName = context.ExternalIdentity.ProviderId;
}
else
{
displayName = name.Value;
}
user = new InMemoryUser
{
Subject = CryptoRandom.CreateUniqueId(),
Provider = context.ExternalIdentity.Provider,
ProviderId = context.ExternalIdentity.ProviderId,
Username = displayName,
Claims = context.ExternalIdentity.Claims
};
_users.Add(user);
}
// TEST CODE
//List<Claim> claims = new List<Claim>()
//{
// new Claim(ClaimTypes.Upn, context.ExternalIdentity.ProviderId)
//};
context.AuthenticateResult = new AuthenticateResult(user.Subject, GetDisplayName(user), identityProvider: context.ExternalIdentity.Provider);
return Task.FromResult(0);
}
public override async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
using (var client = await CreateClientAsync())
{
if (!(await ExternalUserExistsAsync(client, context.ExternalIdentity.ProviderId)))
{
context.AuthenticateResult = await AddExternalUserAsync(client, context.ExternalIdentity);
}
}
if (context.AuthenticateResult == null)
{
context.AuthenticateResult = new AuthenticateResult(
context.ExternalIdentity.ProviderId,
GetDisplayName(context.ExternalIdentity.Claims) ?? context.ExternalIdentity.ProviderId,
context.ExternalIdentity.Claims);
}
}
public override async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
using (var client = new HttpClient { BaseAddress = new Uri(this.usersApiUri) })
{
if (!(await ExternalUserExistsAsync(client, context.ExternalIdentity.ProviderId)))
{
context.AuthenticateResult = await AddExternalUserAsync(client, context.ExternalIdentity);
}
}
if (context.AuthenticateResult == null)
{
context.AuthenticateResult = new AuthenticateResult(
context.ExternalIdentity.ProviderId,
GetDisplayName(context.ExternalIdentity.Claims) ?? context.ExternalIdentity.ProviderId,
context.ExternalIdentity.Claims);
}
}
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
var externalUser = context.ExternalIdentity;
// look for the user in our local identity system from the external identifiers
var user = Users.SingleOrDefault(x => x.Provider == externalUser.Provider && x.ProviderID == externalUser.ProviderId);
if (user == null)
{
// user is not registered so redirect
context.AuthenticateResult = new AuthenticateResult("~/registerfirstexternalregistration", externalUser);
}
else
{
// user is registered so continue
var name = user.Claims.First(x => x.Type == Constants.ClaimTypes.Name).Value;
context.AuthenticateResult = new AuthenticateResult(user.Subject, name, identityProvider: user.Provider);
}
return Task.FromResult(0);
}
public async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
if (context.ExternalIdentity == null)
throw new ArgumentNullException("ExternalIdentity");
var userLoginInfo = new UserLoginInfo(context.ExternalIdentity.Provider, context.ExternalIdentity.ProviderId);
var user = await this.userManager.FindAsync(userLoginInfo);
if (user == null)
{
// TODO log.WarnFormat("Unknown user '{0}' tries to login with external provider '{1}'", externalUser.ProviderId, externalUser.Provider);
return;
}
var claims = await this.GetClaimsFromAccountAsync(user);
var name = await this.GetDisplayNameForAccountAsync(user);
context.AuthenticateResult = new AuthenticateResult(
subject: user.Id.ToString(),
name: name,
claims: claims,
identityProvider: context.ExternalIdentity.Provider,
authenticationMethod: Constants.AuthenticationMethods.External);
}
public async Task<IHttpActionResult> ResumeLoginFromRedirect(string resume)
{
Logger.Info("Callback requested to resume login from partial login");
if (resume.IsMissing())
{
Logger.Error("no resumeId passed");
return RenderErrorPage();
}
if (resume.Length > MaxSignInMessageLength)
{
Logger.Error("resumeId length longer than allowed length");
return RenderErrorPage();
}
var user = await context.GetIdentityFromPartialSignIn();
if (user == null)
{
Logger.Error("no identity from partial login");
return RenderErrorPage();
}
var type = GetClaimTypeForResumeId(resume);
var resumeClaim = user.FindFirst(type);
if (resumeClaim == null)
{
Logger.Error("no claim matching resumeId");
return RenderErrorPage();
}
var signInId = resumeClaim.Value;
if (signInId.IsMissing())
{
Logger.Error("No signin id found in resume claim");
return RenderErrorPage();
}
var signInMessage = signInMessageCookie.Read(signInId);
if (signInMessage == null)
{
Logger.Error("No cookie matching signin id found");
return RenderErrorPage();
}
AuthenticateResult result = null;
// determine which return path the user is taking -- are they coming from
// a ExternalProvider partial logon, or not
var externalProviderClaim = user.FindFirst(Constants.ClaimTypes.ExternalProviderUserId);
// cleanup the claims from the partial login
if (user.HasClaim(c => c.Type == Constants.ClaimTypes.PartialLoginRestartUrl))
{
user.RemoveClaim(user.FindFirst(Constants.ClaimTypes.PartialLoginRestartUrl));
}
if (user.HasClaim(c => c.Type == Constants.ClaimTypes.PartialLoginReturnUrl))
{
user.RemoveClaim(user.FindFirst(Constants.ClaimTypes.PartialLoginReturnUrl));
}
if (user.HasClaim(c => c.Type == Constants.ClaimTypes.ExternalProviderUserId))
{
user.RemoveClaim(user.FindFirst(Constants.ClaimTypes.ExternalProviderUserId));
}
if (user.HasClaim(c => c.Type == GetClaimTypeForResumeId(resume)))
{
user.RemoveClaim(user.FindFirst(GetClaimTypeForResumeId(resume)));
}
if (externalProviderClaim != null)
{
Logger.Info("using ExternalProviderUserId to call AuthenticateExternalAsync");
var provider = externalProviderClaim.Issuer;
var providerId = externalProviderClaim.Value;
var externalIdentity = new ExternalIdentity
{
Provider = provider,
ProviderId = providerId,
Claims = user.Claims
};
Logger.InfoFormat("external user provider: {0}, provider ID: {1}", externalIdentity.Provider, externalIdentity.ProviderId);
var externalContext = new ExternalAuthenticationContext
{
ExternalIdentity = externalIdentity,
SignInMessage = signInMessage
};
await userService.AuthenticateExternalAsync(externalContext);
result = externalContext.AuthenticateResult;
if (result == null)
{
Logger.Warn("user service failed to authenticate external identity");
var msg = localizationService.GetMessage(MessageIds.NoMatchingExternalAccount);
await eventService.RaiseExternalLoginFailureEventAsync(externalIdentity, signInId, signInMessage, msg);
return await RenderLoginPage(signInMessage, signInId, msg);
}
if (result.IsError)
{
Logger.WarnFormat("user service returned error message: {0}", result.ErrorMessage);
await eventService.RaiseExternalLoginFailureEventAsync(externalIdentity, signInId, signInMessage, result.ErrorMessage);
return await RenderLoginPage(signInMessage, signInId, result.ErrorMessage);
}
Logger.Info("External identity successfully validated by user service");
await eventService.RaiseExternalLoginSuccessEventAsync(externalIdentity, signInId, signInMessage, result);
}
else
{
// check to see if the resultant user has all the claim types needed to login
if (!Constants.AuthenticateResultClaimTypes.All(claimType => user.HasClaim(c => c.Type == claimType)))
{
Logger.Error("Missing AuthenticateResultClaimTypes -- rendering error page");
return RenderErrorPage();
}
// this is a normal partial login continuation
Logger.Info("Partial login resume success -- logging user in");
result = new AuthenticateResult(new ClaimsPrincipal(user));
await eventService.RaisePartialLoginCompleteEventAsync(result.User.Identities.First(), signInId, signInMessage);
}
return await SignInAndRedirectAsync(signInMessage, signInId, result);
}
public async Task<IHttpActionResult> LoginExternalCallback(string error = null)
{
Logger.Info("Callback invoked from external identity provider");
if (error.IsPresent())
{
if (error.Length > options.InputLengthRestrictions.ExternalError) error = error.Substring(0, options.InputLengthRestrictions.ExternalError);
Logger.ErrorFormat("External identity provider returned error: {0}", error);
await eventService.RaiseExternalLoginErrorEventAsync(error);
return RenderErrorPage(String.Format(localizationService.GetMessage(MessageIds.ExternalProviderError), error));
}
var signInId = await context.GetSignInIdFromExternalProvider();
if (signInId.IsMissing())
{
Logger.Info("No signin id passed");
return HandleNoSignin();
}
var signInMessage = signInMessageCookie.Read(signInId);
if (signInMessage == null)
{
Logger.Info("No cookie matching signin id found");
return HandleNoSignin();
}
var user = await context.GetIdentityFromExternalProvider();
if (user == null)
{
Logger.Error("no identity from external identity provider");
return await RenderLoginPage(signInMessage, signInId, localizationService.GetMessage(MessageIds.NoMatchingExternalAccount));
}
var externalIdentity = ExternalIdentity.FromClaims(user.Claims);
if (externalIdentity == null)
{
var claims = user.Claims.Select(x => new { x.Type, x.Value });
Logger.ErrorFormat("no subject or unique identifier claims from external identity provider. Claims provided:\r\n{0}", LogSerializer.Serialize(claims));
return await RenderLoginPage(signInMessage, signInId, localizationService.GetMessage(MessageIds.NoMatchingExternalAccount));
}
Logger.InfoFormat("external user provider: {0}, provider ID: {1}", externalIdentity.Provider, externalIdentity.ProviderId);
var externalContext = new ExternalAuthenticationContext
{
ExternalIdentity = externalIdentity,
SignInMessage = signInMessage
};
await userService.AuthenticateExternalAsync(externalContext);
var authResult = externalContext.AuthenticateResult;
if (authResult == null)
{
Logger.Warn("user service failed to authenticate external identity");
var msg = localizationService.GetMessage(MessageIds.NoMatchingExternalAccount);
await eventService.RaiseExternalLoginFailureEventAsync(externalIdentity, signInId, signInMessage, msg);
return await RenderLoginPage(signInMessage, signInId, msg);
}
if (authResult.IsError)
{
Logger.WarnFormat("user service returned error message: {0}", authResult.ErrorMessage);
await eventService.RaiseExternalLoginFailureEventAsync(externalIdentity, signInId, signInMessage, authResult.ErrorMessage);
return await RenderLoginPage(signInMessage, signInId, authResult.ErrorMessage);
}
Logger.Info("External identity successfully validated by user service");
await eventService.RaiseExternalLoginSuccessEventAsync(externalIdentity, signInId, signInMessage, authResult);
return await SignInAndRedirectAsync(signInMessage, signInId, authResult);
}
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
return base.AuthenticateExternalAsync(context);
}
public async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
await this.innerUserService.AuthenticateExternalAsync(context);
}
public override async Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
var externalIdentity = context.ExternalIdentity;
context.AuthenticateResult = await GetAppropriateAuthenticationResult(externalIdentity);
}
public Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
context.AuthenticateResult = new AuthenticateResult("robink", "Robin van der Knaap");
return Task.FromResult(0);
}
public Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
context.AuthenticateResult = null;
return Task.FromResult(0);
}
/// <summary>
/// This method gets called when the user uses an external identity provider to authenticate.
/// The user's identity from the external provider is passed via the `externalUser` parameter which contains the
/// provider identifier, the provider's identifier for the user, and the claims from the provider for the external user.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public virtual Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
return Task.FromResult(0);
}
public Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
context.ExternalIdentity.Claims = filter.Filter(context.ExternalIdentity.Provider, context.ExternalIdentity.Claims);
return inner.AuthenticateExternalAsync(context);
}
public override Task AuthenticateExternalAsync(ExternalAuthenticationContext context)
{
return Task.FromResult<AuthenticateResult>(null);
}