[英]How to login to facebook using DotNetOpenAuth
var facebookClient = new FacebookClient
{
ClientIdentifier = "appId",
ClientSecret = "appSecret"
};
IAuthorizationState authorization = facebookClient.ProcessUserAuthorization();
if (authorization == null)
{
// Kick off authorization request
facebookClient.RequestUserAuthorization();
}
else
{
var request =
WebRequest.Create("https://graph.facebook.com/me?access_token=" +
Uri.EscapeDataString(authorization.AccessToken));
using (var response = request.GetResponse())
{
using (var responseStream = response.GetResponseStream())
{
var graph = FacebookGraph.Deserialize(responseStream);
lblFacebookUserName.Text = HttpUtility.HtmlEncode(graph.Name);
}
}
}
線
IAuthorizationState authorization = facebookClient.ProcessUserAuthorization();
始終返回null
我不是專家,不是嗎,因為您始終擁有一個從未請求用戶授權的新FacebookClient? 您的工作流程對我來說似乎很奇怪...
這有什么區別嗎?
var facebookClient = new FacebookClient
{
ClientIdentifier = "appId",
ClientSecret = "appSecret"
};
// Kick off authorization request, as have a new client that needs to be authorised
facebookClient.RequestUserAuthorization();
// get the result of the authorization
IAuthorizationState authorization = facebookClient.ProcessUserAuthorization();
if (authorization == null)
{
//throw not authorized exception or whatever
}
else
{
var request =
WebRequest.Create("https://graph.facebook.com/me?access_token=" +
Uri.EscapeDataString(authorization.AccessToken));
using (var response = request.GetResponse())
{
using (var responseStream = response.GetResponseStream())
{
var graph = FacebookGraph.Deserialize(responseStream);
lblFacebookUserName.Text = HttpUtility.HtmlEncode(graph.Name);
}
}
}
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