private void AddClaimsToContextIdentity(LinkedInAuthenticatedContext context)
{
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, 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.FamilyName))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Surname, context.FamilyName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Name))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Name, context.Name, XmlSchemaString, Options.AuthenticationType));
context.Identity.AddClaim(new Claim("urn:linkedin:name", context.Name, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.AccessToken))
{
context.Identity.AddClaim(new Claim("urn:linkedin:accesstoken", context.AccessToken, XmlSchemaString, Options.AuthenticationType));
}
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
var state = GetQueryValue("state");
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, _logger))
{
return(new AuthenticationTicket(null, properties));
}
var code = GetQueryValue("code");
var accessTokenResponse = await GetAccessToken(code);
dynamic response = JsonConvert.DeserializeObject <dynamic>(accessTokenResponse);
var accessToken = (string)response.access_token;
var expires = (string)response.expires_in;
var userInfoResponse = await GetUserInfo(accessToken);
var user = JObject.Parse(userInfoResponse);
string email = null;
if (Options.Scope.Contains(LinkedInAuthenticationOptions.EmailAddressScopeName))
{
email = await GetUserEmail(accessToken);
}
var context = new LinkedInAuthenticatedContext(Context, user, accessToken, expires, email)
{
Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType)
};
AddClaimsToContextIdentity(context);
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
/// <summary>
/// Invoked whenever LinkedIn 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(LinkedInAuthenticatedContext context)
{
return OnAuthenticated(context);
}
public override Task Authenticated(LinkedInAuthenticatedContext context)
{
context.Identity.AddClaim(
new Claim(ServiceClaimTypes.ProviderAccessToken, context.AccessToken));
return base.Authenticated(context);
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string code = null;
string state = null;
var query = Request.Query;
var values = query.GetValues("code");
if (values != null && values.Count == 1)
{
code = values[0];
}
values = query.GetValues("state");
if (values != null && values.Count == 1)
{
state = values[0];
}
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, _logger))
{
return(new AuthenticationTicket(null, properties));
}
var requestPrefix = Request.Scheme + "://" + this.GetHostName();
var redirectUri = requestPrefix + Request.PathBase + Options.CallbackPath;
// Build up the body for the token request
var body = new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("grant_type", "authorization_code"),
new KeyValuePair <string, string>("code", code),
new KeyValuePair <string, string>("redirect_uri", redirectUri),
new KeyValuePair <string, string>("client_id", Options.ClientId),
new KeyValuePair <string, string>("client_secret", Options.ClientSecret)
};
// Request the token
var tokenResponse = await _httpClient.PostAsync(TokenEndpoint, new FormUrlEncodedContent(body));
tokenResponse.EnsureSuccessStatusCode();
var text = await tokenResponse.Content.ReadAsStringAsync();
// Deserializes the token response
dynamic response = JsonConvert.DeserializeObject <dynamic>(text);
var accessToken = (string)response.access_token;
var expires = (string)response.expires_in;
// Get the LinkedIn user
var userInfoEndpoint = UserInfoEndpoint
+ "~:(" + string.Join(",", Options.ProfileFields.Distinct().ToArray()) + ")"
+ "?oauth2_access_token=" + Uri.EscapeDataString(accessToken);
var userRequest = new HttpRequestMessage(HttpMethod.Get, userInfoEndpoint);
userRequest.Headers.Add("x-li-format", "json");
var graphResponse = await _httpClient.SendAsync(userRequest, Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
var user = JObject.Parse(text);
var context = new LinkedInAuthenticatedContext(Context, user, accessToken, expires)
{
Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType)
};
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, 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.FamilyName))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Surname, context.FamilyName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Name))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Name, context.Name, XmlSchemaString, Options.AuthenticationType));
context.Identity.AddClaim(new Claim("urn:linkedin:name", context.Name, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Industry))
{
context.Identity.AddClaim(new Claim("urn:linkedin:industry", context.Industry, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Positions))
{
context.Identity.AddClaim(new Claim("urn:linkedin:positions", context.Positions, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Summary))
{
context.Identity.AddClaim(new Claim("urn:linkedin:summary", context.Summary, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Headline))
{
context.Identity.AddClaim(new Claim("urn:linkedin:headline", context.Headline, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Link))
{
context.Identity.AddClaim(new Claim("urn:linkedin:url", context.Link, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.AccessToken))
{
context.Identity.AddClaim(new Claim("urn:linkedin:accesstoken", context.AccessToken, XmlSchemaString, Options.AuthenticationType));
}
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string code = null;
string state = null;
IReadableStringCollection query = Request.Query;
IList <string> values = query.GetValues("code");
if (values != null && values.Count == 1)
{
code = values[0];
}
values = query.GetValues("state");
if (values != null && values.Count == 1)
{
state = values[0];
}
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
// 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;
// Request the token
HttpResponseMessage tokenResponse =
await httpClient.PostAsync(string.Format("{0}?grant_type=authorization_code&code={1}&redirect_uri={2}&client_id={3}&client_secret={4}",
TokenEndpoint, code, redirectUri, Options.ClientId, Options.ClientSecret), new FormUrlEncodedContent(new List <KeyValuePair <string, string> >()));
tokenResponse.EnsureSuccessStatusCode();
string text = await tokenResponse.Content.ReadAsStringAsync();
// Deserializes the token response
dynamic response = JsonConvert.DeserializeObject <dynamic>(text);
string accessToken = (string)response.access_token;
string expires = (string)response.expires_in;
// Get the LinkedIn user
HttpRequestMessage userRequest = new HttpRequestMessage(HttpMethod.Get, UserInfoEndpoint + "?oauth2_access_token=" + Uri.EscapeDataString(accessToken));
userRequest.Headers.Add("x-li-format", "json");
HttpResponseMessage graphResponse = await httpClient.SendAsync(userRequest, Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
JObject user = JObject.Parse(text);
var context = new LinkedInAuthenticatedContext(Context, user, accessToken, expires);
context.Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, 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.Name))
{
context.Identity.AddClaim(new Claim("urn:linkedin:name", context.Name, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Link))
{
context.Identity.AddClaim(new Claim("urn:linkedin:url", context.Link, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.AccessToken))
{
context.Identity.AddClaim(new Claim("urn:linkedin:accesstoken", context.AccessToken, XmlSchemaString, Options.AuthenticationType));
}
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
/// <summary>
/// Invoked whenever LinkedIn 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(LinkedInAuthenticatedContext context)
{
return(OnAuthenticated(context));
}
public Task ReturnEndpoint(LinkedInAuthenticatedContext context)
{
return Task.FromResult<object>(null);
}
public override Task Authenticated(LinkedInAuthenticatedContext context)
{
context.Identity.AddClaim(new Claim("ExternalAccessToken", context.AccessToken));
return Task.FromResult<object>(null);
}
public void ApplyRedirect(LinkedInAuthenticatedContext context)
{
context.Response.Redirect(context.Properties.RedirectUri);
}
public override Task Authenticated(LinkedInAuthenticatedContext context)
{
context.Identity.AddClaim(new Claim(Claims.ExternalExpiresIn, context.ExpiresIn.ToString()));
return base.Authenticated(context);
}
