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ASP.NET Forms authentication

Feb 10, 2017 pm 05:09 PM

In the asp.net program, users can access corresponding pages and functions based on their roles. This article will introduce this, which has a very good reference value. Let’s take a look at it with the editor

asp.net program development. Users access corresponding pages and functions according to their roles.

The project structure is as follows:

ASP.NET Forms身份认证

##Root directory Web.config code:


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<?xml version="1.0" encoding="utf-8"?>

<!--

 有关如何配置 ASP.NET 应用程序的详细消息,请访问

 http://www.php.cn/

 -->

<configuration>

  <system.web>

    <compilation debug="true" targetFramework="4.0" />

    <authentication mode="Forms">

     <forms loginUrl="login.aspx"></forms>

    </authentication>

    <!--<authorization>

     <allow users="*"></allow>

    </authorization>-->

  </system.web>

</configuration>

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Web.config code in the admin folder:


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<?xml version="1.0"?>

<configuration>

 <system.web>

 <authorization>

 <allow roles="admin" />

 <deny users="*"/>

 </authorization>

 </system.web>

</configuration>

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Web.config code in the teacher folder:


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<?xml version="1.0"?>

<configuration>

 <system.web>

 <authorization>

 <allow roles="teacher" />

 <deny users="*"/>

 </authorization>

 </system.web>

</configuration>

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Web.config code in student folder:


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<?xml version="1.0"?>

<configuration>

 <system.web>

 <authorization>

 <allow roles="student" />

 <deny users="*"/>

 </authorization>

 </system.web>

</configuration>

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Login Set Cookie after successful login in .aspx, set Cookie code:


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protected void SetLoginCookie(string username, string roles)

{

System.Web.Security.FormsAuthentication.SetAuthCookie(username, false);

 System.Web.Security.FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, username, DateTime.Now, DateTime.Now.AddDays(1), false, roles, "/");

 string hashTicket = FormsAuthentication.Encrypt(ticket);

 HttpCookie userCookie = new HttpCookie(FormsAuthentication.FormsCookieName, hashTicket);

 HttpContext.Current.Response.SetCookie(userCookie);

}

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Global.asax for identity Verification:


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protected void Application_AuthenticateRequest(object sender, EventArgs e)

{

 HttpApplication app = (HttpApplication)sender;

 HttpContext ctx = app.Context; //获取本次Http请求的HttpContext对象

 if (ctx.User != null)

 {

 if (ctx.Request.IsAuthenticated == true) //验证过的一般用户才能进行角色验证

 {

 System.Web.Security.FormsIdentity fi = (System.Web.Security.FormsIdentity)ctx.User.Identity;

 System.Web.Security.FormsAuthenticationTicket ticket = fi.Ticket; //取得身份验证票

 string userData = ticket.UserData;//从UserData中恢复role信息

 string[] roles = userData.Split(&#39;,&#39;); //将角色数据转成字符串数组,得到相关的角色信息

 ctx.User = new System.Security.Principal.GenericPrincipal(fi, roles); //这样当前用户就拥有角色信息了

 }

 }

}

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