使用 facebook 进行 ASP.NET 网站身份验证 [英] ASP.NET website authentication with facebook
问题描述
我看过很多关于 ASP .NET 网站和 Facebook 之间集成的文档,但我还没有找到一个简单的工作示例,即使使用 Facebook C# SDK.
我想要的只是一个使用 Facebook 登录"的示例,并获取基本的用户信息(例如姓名、电子邮件和照片).
你们能帮我吗?
非常感谢!
正如你所说的using Facebook C# SDK
,那么这里是画布应用程序的路径和一些代码:
1- 从 Visual Studio 创建您的 Web 应用程序
2- 安装 nuget 并通过 nuget Facebook C# SDK
获取3- 从 https://developers.facebook.com/apps/
创建和配置您的应用.
4- 您用于 facebook 集成的网络配置:
通过使用 sdk,你可以解析由 facebook js sdk 编写的签名请求或 cookie
FacebookWebContext fbWebContext = new FacebookWebContext();//检查用户是否已认证bool IsAuthenticated = fbWebContext.IsAuthenticated();
在这里您可以通过以下方式统计朋友数:
FacebookWebClient fbWebClient = new FacebookWebClient();动态结果 = fbWebClient.Get("me/friends");var 朋友 = 结果["数据"];int frienCount =friends.Count;
对于客户端:
<div id="fb-root"></div><脚本>window.fbAsyncInit = 函数(){FB.init({appId: '123 ...',状态:真实,饼干:是的,xfbml: 真的,oauth:true });};(功能 () {var e = document.createElement('script');e.async = true;e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';document.getElementById('fb-root').appendChild(e);} ());<!-- 其余的 html -->
用于登录和请求 javascript
FB.getLoginStatus(function(response) {控制台日志(响应);if ((response.status)&&(response.status=='connected')) {//成功} 别的 {//用户拒绝}, {scope:'user_likes, offline_access'}});
我更喜欢在我的项目中客户端登录,因此尚未注册的用户有登录页面,例如,如果提交表单,那么我调用上面的代码块.
注意:您必须为 Internet Explorer 设置 P3P 标头以根据您的服务器读取/写入 cookie.对于 IIS,global.asax
:
protected void Application_BeginRequest(Object sender, EventArgs e){HttpContext.Current.Response.AddHeader("p3p", "CP="CAO PSA OUR"");}
Volià
I've seen a lot of documentation about integration between ASP .NET web sites and Facebook, but I haven't found a simple working example, even using Facebook C# SDK.
All I want is a "login with Facebook" example, and to get basic user information (such as name, email and photo).
Can you guys help me please?
Thanks a lot!
as you say using Facebook C# SDK
, then here is path and some code for canvas application:
1- Create your web application from visual studio
2- install nuget and get by nuget Facebook C# SDK
3- from https://developers.facebook.com/apps/
create and configure your app.
4- Your web config for facebook integration :
<configuration>
<configSections>
<section name="facebookSettings" type="Facebook.FacebookConfigurationSection" />
</configSections>
<facebookSettings appId="123..." appSecret="abc...." siteUrl="http://apps.facebook.com/myapp/" canvasPage="http://app.facebook.com/myapp" secureCanvasUrl="https://myapp.com/" canvasUrl="http://myapp.com/" cancelUrlPath="http://www.facebook.com/" />
...
By using sdk, you can parse signed request or cookie written by facebook js sdk
FacebookWebContext fbWebContext = new FacebookWebContext();
//Check if user auhtenticated
bool IsAuthenticated = fbWebContext.IsAuthenticated();
Here you can have friend count by:
FacebookWebClient fbWebClient = new FacebookWebClient();
dynamic result = fbWebClient.Get("me/friends");
var friends = result["data"];
int frienCount = friends.Count;
For the client side:
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function () {
FB.init({
appId: '123...',
status: true,
cookie: true,
xfbml: true,
oauth:true });
};
(function () {
var e = document.createElement('script'); e.async = true;
e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
document.getElementById('fb-root').appendChild(e);
} ());
<!-- rest of your html -->
</body>
For login & asking permission from javascript
FB.getLoginStatus(function(response) {
console.log( response );
if ((response.status)&&(response.status=='connected')) {
//successs
} else {
//user declined
}, {scope:'user_likes, offline_access'}
});
I prefer in my project to client side login thus not yet registered user have landing page, if for example submit form then I call code block above.
Note: you have to set P3P header for Internet explorer to read/write cookie depending of your server. for IIS, global.asax
:
protected void Application_BeginRequest(Object sender, EventArgs e)
{
HttpContext.Current.Response.AddHeader("p3p", "CP="CAO PSA OUR"");
}
Volià
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