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;
// Build up the body for the token request
var body = new List <KeyValuePair <string, string> >();
body.Add(new KeyValuePair <string, string>("grant_type", "authorization_code"));
body.Add(new KeyValuePair <string, string>("code", code));
body.Add(new KeyValuePair <string, string>("redirect_uri", redirectUri));
body.Add(new KeyValuePair <string, string>("client_id", Options.ClientId));
body.Add(new KeyValuePair <string, string>("client_secret", Options.ClientSecret));
// Request the token
HttpResponseMessage tokenResponse =
await httpClient.PostAsync(TokenEndpoint, new FormUrlEncodedContent(body));
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 blogId = (string)response.blog_id;
string blogUrl = (string)response.blog_url;
// Get the Wordpress user
HttpRequestMessage userRequest = new HttpRequestMessage(HttpMethod.Get, UserInfoEndpoint);
userRequest.Headers.Add("User-Agent", "OWIN OAuth Provider");
userRequest.Headers.Add("Authorization", "BEARER " + accessToken);
HttpResponseMessage graphResponse = await httpClient.SendAsync(userRequest, Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
JObject user = JObject.Parse(text);
// Get the site details
HttpRequestMessage siteRequest = new HttpRequestMessage(HttpMethod.Get, SiteInfoEndpoint + blogId);
siteRequest.Headers.Add("User-Agent", "OWIN OAuth Provider");
siteRequest.Headers.Add("Authorization", "BEARER " + accessToken);
HttpResponseMessage siteResponse = await httpClient.SendAsync(siteRequest, Request.CallCancelled);
siteResponse.EnsureSuccessStatusCode();
text = await siteResponse.Content.ReadAsStringAsync();
JObject site = JObject.Parse(text);
var context = new WordPressAuthenticatedContext(Context, user, site, accessToken, blogId, blogUrl);
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.Name))
{
context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.Name, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Email))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Email, context.Email, 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 WordPress 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(WordPressAuthenticatedContext context)
{
return OnAuthenticated(context);
}
/// <summary>
/// Invoked whenever WordPress 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(WordPressAuthenticatedContext context)
{
return(OnAuthenticated(context));
}
