protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string state = null;
string code = null;
IReadableStringCollection query = Request.Query;
IList <string> values;
values = query.GetValues("state");
if (values != null && values.Count == 1)
{
state = values[0];
}
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
values = query.GetValues("error");
if (values != null && values.Count == 1)
{
return(new AuthenticationTicket(null, properties));
}
values = query.GetValues("code");
if (values != null && values.Count == 1)
{
code = values[0];
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, _logger))
{
return(new AuthenticationTicket(null, properties));
}
string requestPrefix = Request.Scheme + "://" + Request.Host;
string redirectUri = requestPrefix + Request.PathBase + Options.CallbackPath;
var requestJson = new JObject
{
{ "grant_type", "authorization_code" },
{ "client_id", Options.ClientId },
{ "client_secret", Options.ClientSecret },
{ "code", code },
{ "redirect_uri", redirectUri }
};
// Request the token
var tokenResponse = await _httpClient.PostAsync(
TokenEndpoint, new StringContent(requestJson.ToString(), Encoding.UTF8, "application/json"));
tokenResponse.EnsureSuccessStatusCode();
string content = await tokenResponse.Content.ReadAsStringAsync();
// Deserializes the token response
var response = JsonConvert.DeserializeObject <JObject>(content);
string accessToken = response["access_token"].Value <string>();
string accessTokenExpires = response["expires_in"].Value <string>();
string refreshToken = response["refresh_token"].Value <string>();
string[] scope = response["scope"]?["bearerPermissions"] != null ?
response["scope"]?["bearerPermissions"].Value <string>().Split(new char[] { ',' }) :
new string[0];
string userId = response["scope"]?["user"]?.Value <string>();
var userResponse = await _httpClient.GetAsync(String.Format(UserInfoEndpointFormat, userId, accessToken));
var userContent = await userResponse.Content.ReadAsStringAsync();
JObject userJson = null;
if (userResponse.IsSuccessStatusCode)
{
userJson = JObject.Parse(userContent);
}
var context = new BlueJeansAuthenticatedContext(Context,
accessToken, accessTokenExpires, refreshToken, scope, userId, userJson);
context.Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
if (!String.IsNullOrEmpty(context.UserId))
{
context.Identity.AddClaim(
new Claim(ClaimTypes.NameIdentifier, context.UserId, XmlSchemaString, Options.AuthenticationType));
}
if (!String.IsNullOrEmpty(context.Username))
{
context.Identity.AddClaim(
new Claim(ClaimsIdentity.DefaultNameClaimType, context.Username, XmlSchemaString, Options.AuthenticationType));
}
if (!String.IsNullOrEmpty(context.Email))
{
context.Identity.AddClaim(
new Claim(ClaimTypes.Email, context.Email, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.GivenName))
{
context.Identity.AddClaim(
new Claim(ClaimTypes.GivenName, context.GivenName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Surname))
{
context.Identity.AddClaim(
new Claim(ClaimTypes.Surname, context.Surname, XmlSchemaString, Options.AuthenticationType));
}
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError("Authentication failed", ex);
return(new AuthenticationTicket(null, properties));
}
}
/// <summary>
/// Invoked whenever BlueJeans successfully authenticates a user
/// </summary>
/// <param name="context">Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.</param>
/// <returns>A <see cref="Task"/> representing the completed operation.</returns>
public virtual Task Authenticated(BlueJeansAuthenticatedContext context)
{
return(OnAuthenticated(context));
}
