这几天我一直在用头撞墙,但我终于找到了有用的东西。有兴趣知道这是否是一个有效的解决方案!
首先,创建一个新的 OAuthClient:
public class TwitterClient : OAuthClient
{
/// <summary>
/// The description of Twitter's OAuth protocol URIs for use with their "Sign in with Twitter" feature.
/// </summary>
public static readonly ServiceProviderDescription TwitterServiceDescription = new ServiceProviderDescription
{
RequestTokenEndpoint =
new MessageReceivingEndpoint(
"https://api.twitter.com/oauth/request_token",
HttpDeliveryMethods.GetRequest | HttpDeliveryMethods.AuthorizationHeaderRequest),
UserAuthorizationEndpoint =
new MessageReceivingEndpoint(
"https://api.twitter.com/oauth/authenticate",
HttpDeliveryMethods.GetRequest | HttpDeliveryMethods.AuthorizationHeaderRequest),
AccessTokenEndpoint =
new MessageReceivingEndpoint(
"https://api.twitter.com/oauth/access_token",
HttpDeliveryMethods.GetRequest | HttpDeliveryMethods.AuthorizationHeaderRequest),
TamperProtectionElements = new ITamperProtectionChannelBindingElement[] { new HmacSha1SigningBindingElement() },
};
public TwitterClient(string consumerKey, string consumerSecret) :
base("twitter", TwitterServiceDescription, consumerKey, consumerSecret) { }
/// Check if authentication succeeded after user is redirected back from the service provider.
/// The response token returned from service provider authentication result.
protected override AuthenticationResult VerifyAuthenticationCore(AuthorizedTokenResponse response)
{
string accessToken = response.AccessToken;
string accessSecret = (response as ITokenSecretContainingMessage).TokenSecret;
string userId = response.ExtraData["user_id"];
string userName = response.ExtraData["screen_name"];
var extraData = new Dictionary<string, string>()
{
{"accesstoken", accessToken},
{"accesssecret", accessSecret}
};
return new AuthenticationResult(
isSuccessful: true,
provider: ProviderName,
providerUserId: userId,
userName: userName,
extraData: extraData);
}
}
The important part is where you cast the response to an ITokenSecretContainingMessage. It appears that the response has the TokenSecret all along, but it is only on an internal property. By casting it, you get access to a public property. I can't say that I'm a fan of doing this, but then I also don't understand why DotNetOpenAuth the Asp.Net team have hidden the property in the first place. There must be a good reason.
然后您在 AuthConfig 中注册该客户端:
OAuthWebSecurity.RegisterClient( new TwitterClient(
consumerKey: "",
consumerSecret: ""), "Twitter", null);
现在,在 AccountController 上的ExternalLoginCallback 方法中,accessSecret 在ExtraData 字典中可用。