public Task Authenticated(WeChatAuthenticatedContext context)
{
return(onAuthenticated(context));
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
_logger.WriteVerbose("AuthenticateCore");
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));
}
var tokenRequestParameters = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("appid", Options.AppId),
new KeyValuePair <string, string>("secret", Options.AppSecret),
new KeyValuePair <string, string>("code", code),
new KeyValuePair <string, string>("grant_type", "authorization_code"),
};
FormUrlEncodedContent requestContent = new FormUrlEncodedContent(tokenRequestParameters);
HttpResponseMessage response = await _httpClient.PostAsync(TokenEndpoint, requestContent, Request.CallCancelled);
response.EnsureSuccessStatusCode();
string oauthTokenResponse = await response.Content.ReadAsStringAsync();
JsonSerializer js = new JsonSerializer();
AccessTokenResult tokenResult = js.Deserialize <AccessTokenResult>(new JsonTextReader(new System.IO.StringReader(oauthTokenResponse)));
if (tokenResult == null || tokenResult.access_token == null)
{
_logger.WriteWarning("Access token was not found");
return(new AuthenticationTicket(null, properties));
}
string userInfoUri = UserInfoEndpoint +
"?access_token=" + Uri.EscapeDataString(tokenResult.access_token) +
"&openid=" + Uri.EscapeDataString(tokenResult.openid);
HttpResponseMessage userInfoResponse = await _httpClient.GetAsync(userInfoUri, Request.CallCancelled);
userInfoResponse.EnsureSuccessStatusCode();
string userInfoString = await userInfoResponse.Content.ReadAsStringAsync();
JObject userInfo = JObject.Parse(userInfoString);
var context = new WeChatAuthenticatedContext(Context, tokenResult.openid, userInfo, tokenResult.access_token);
context.Identity = new ClaimsIdentity(new[] {
new Claim(ClaimTypes.NameIdentifier, context.Id, XmlSchemaString, Options.AuthenticationType),
new Claim(ClaimsIdentity.DefaultNameClaimType, context.Name, XmlSchemaString, Options.AuthenticationType),
new Claim("urn:wechatconnect:id", context.Id, XmlSchemaString, Options.AuthenticationType),
new Claim("urn:wechatconnect:name", context.Name, XmlSchemaString, Options.AuthenticationType),
});
await Options.Provider.Authenticated(context);
context.Properties = properties;
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
public Task Authenticated(WeChatAuthenticatedContext context)
{
return onAuthenticated(context);
}
