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ASP.Net/Development/Authentication - История изменений
2026-04-29T15:10:17Z
История изменений этой страницы в вики
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http://nfex.ru/index.php?title=ASP.Net/Development/Authentication&diff=1720&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:47Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:30, 26 мая 2010</td>
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http://nfex.ru/index.php?title=ASP.Net/Development/Authentication&diff=1721&oldid=prev
Admin: 1 версия
2010-05-26T11:51:17Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Basic Authentication (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%--<br />
<br />
<br />
<html><br />
<head><br />
<script language="C#" runat="server"><br />
void Page_Load(Object Src,EventArgs E)<br />
{<br />
lblUser.Text = User.Identity.Name;<br />
lblType.Text = User.Identity.AuthenticationType;<br />
}<br />
</script><br />
</head><br />
<body><br />
<font face="Verdana" size="4" color="navy"><br />
<b>Windows Authentication</b></font><hr><br />
<table border=1 bordercolor="#FFFFFF" bgcolor="Silver" <br />
cellspacing=0 cellpadding=4><br />
<tr><br />
<td><b>Current Users Name</b></td><br />
<td><asp:label id=lblUser runat=server/></td><br />
</tr><br />
<tr><br />
<td><b>Current Authentication Type</b></td><br />
<TD><asp:label id=lblType runat=server/></TD><br />
</tr><br />
</table><br />
</body><br />
</html><br />
--%><br />
<%-- web.config<br />
<configuration><br />
<system.web><br />
<authentication mode="Windows" /><br />
</system.web><br />
</configuration><br />
--%><br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Context User Identity Name (VB.net)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Context property example</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Message.Text = "Currently logged in as: " & _<br />
Context.User.Identity.Name<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Displaying the authentication status in ASP.NET==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>Displaying the authentication status in ASP.NET</title><br />
</head><br />
<body><br />
<p><br />
<%<br />
Dim boolAuth As Boolean<br />
boolAuth = Request.IsAuthenticated<br />
If boolAuth Then<br />
Response.Write("User " & Page.User.Identity.Name & " is authenticated.")<br />
Else<br />
Response.Write("Current user is not authenticated.")<br />
End If<br />
%><br />
</p><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Form and database based authentication (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%-- login.aspx<br />
<%@ Page Language="C#" %><br />
<%@ Import Namespace="System.Web.Security " %><br />
<%@ Import Namespace="System.Data.OleDb" %> <br />
<html><br />
<head><br />
<script language="C#" runat=server><br />
void Login_Click(Object Src, EventArgs E)<br />
{<br />
if (Page.IsValid)<br />
{<br />
String strConn ="PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA SOURCE=" + Server.MapPath("DBAuth.mdb") + ";";<br />
OleDbConnection Conn = new OleDbConnection(strConn) ;<br />
Conn.Open(); <br />
String strSQL = "SELECT Pwd FROM Tbl_MA_Users WHERE Email = "" + txtEmail.Text + """;<br />
OleDbCommand Cmd = new OleDbCommand(strSQL,Conn);<br />
//Create a datareader, connection object<br />
OleDbDataReader Dr = Cmd.ExecuteReader(System.Data.rumandBehavior.CloseConnection);<br />
//Get the first row and check the password.<br />
if (Dr.Read())<br />
{<br />
if (Dr["Pwd"].ToString() == txtPwd.Text)<br />
FormsAuthentication.RedirectFromLoginPage(txtEmail.Text, false);<br />
else<br />
lblLoginMsg.Text = "Invalid password.";<br />
}<br />
else<br />
lblLoginMsg.Text = "Login name not found.";<br />
Dr.Close();<br />
}<br />
}<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<h1>Using Form based Authentication</h1><hr><br />
Users Name:<br /><br />
<asp:textbox id="txtEmail" runat=server />&nbsp;<br />
<FONT SIZE=2 COLOR="RED">*</FONT><br />
<asp:RequiredFieldValidator <br />
ControlToValidate="txtEmail"<br />
Display="Dynamic" <br />
ErrorMessage="Login name can"t be empty." <br />
runat=server/><br />
<br />Password:<br /><br />
<asp:textbox TextMode="Password" id="txtPwd" runat=server /><br />
&nbsp;<FONT SIZE=2 COLOR="RED">*</FONT><br />
<asp:RequiredFieldValidator <br />
ControlToValidate="txtPwd" <br />
Display="Dynamic" <br />
ErrorMessage="Password can"t be left empty." <br />
runat=server/><br />
<br /><br />
<asp:Label <br />
id="lblLoginMsg" <br />
ForeColor="Red" <br />
Font-Name="Verdana"; <br />
Font-Size="10" <br />
runat=server /><br />
<b /><br />
<asp:button <br />
id="btnLogin" <br />
Text="Login"<br />
OnClick="Login_Click" <br />
runat=Server /><br />
</form><br />
</body><br />
</html><br />
--%><br />
<%-- default.aspx<br />
<%@ Import Namespace="System.Web.Security " %><br />
<html><br />
<head><br />
<script language="C#" runat=server><br />
void Page_Load(Object S, EventArgs E)<br />
{<br />
lblUser.Text = User.Identity.Name;<br />
lblType.Text = User.Identity.AuthenticationType;<br />
}<br />
void Logout_Click(Object S, EventArgs E)<br />
{<br />
FormsAuthentication.SignOut();<br />
Server.Transfer("login.aspx");<br />
}<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<font face="Verdana" size="4" color="navy"><br />
<b>Forms Authentication With a Database</b></font><hr><br />
<table border=1 bordercolor="#FFFFFF" bgcolor="Silver" <br />
cellspacing=0 cellpadding=4><br />
<tr><br />
<td><b>Current Users Name</b></td><br />
<td><asp:label id=lblUser runat=server/></td><br />
</tr><br />
<tr><br />
<td><b>Current Authentication Type</b></td><br />
<TD><asp:label id=lblType runat=server/></TD><br />
</tr><br />
</table><br />
<asp:button text="Logout" OnClick="Logout_Click" runat=server/><br />
</form><br />
</body><br />
</html><br />
--%><br />
<%-- web.config<br />
<configuration> <br />
<system.web><br />
<authentication mode="Forms"> <br />
<forms name=".MyDemo" loginUrl="login.aspx" <br />
protection="All" timeout="20" /><br />
</authentication><br />
<authorization> <br />
<deny users="?" /><br />
</authorization><br />
</system.web><br />
</configuration><br />
--%><br />
<br />
</source><br />
<br />
<br />
<A href="http://www.nfex.ru/Code/ASPDownload/AuthenticationFormsDB.zip">AuthenticationFormsDB.zip( 10 k)</a><br />
<br />
<br />
==Form based login (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<br />
<%-- login.aspx<br />
<br />
<br />
<%@ Import Namespace="System.Web.Security " %><br />
<html><br />
<head><br />
<script language="C#" runat=server><br />
void Login_Click(Object Src, EventArgs E)<br />
{<br />
if (Page.IsValid)<br />
{<br />
if (txtEmail.Text == "email" && txtPwd.Text == "MyPass")<br />
FormsAuthentication.RedirectFromLoginPage(txtEmail.Text,false);<br />
else<br />
lblLoginMsg.Text = "Use "email" as user name and password as MyPass. Please try again";<br />
}<br />
}<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<h1>Using Form based Authentication</h1><hr><br />
Users Name:<br /><br />
<asp:textbox id="txtEmail" runat=server />&nbsp;<br />
<FONT SIZE=2 COLOR="RED">*</FONT><br />
<asp:RequiredFieldValidator <br />
ControlToValidate="txtEmail"<br />
Display="Dynamic" <br />
ErrorMessage="Login name can"t be empty." <br />
runat=server/><br />
<br />Password:<br /><br />
<asp:textbox TextMode="Password" id="txtPwd" runat=server /><br />
&nbsp;<FONT SIZE=2 COLOR="RED">*</FONT><br />
<asp:RequiredFieldValidator <br />
ControlToValidate="txtPwd" <br />
Display="Dynamic" <br />
ErrorMessage="Password can"t be left empty." <br />
runat=server/><br />
<br /><br />
<asp:Label <br />
id="lblLoginMsg" <br />
ForeColor="Red" <br />
Font-Name="Verdana"; <br />
Font-Size="10" <br />
runat=server /><br />
<b /><br />
<asp:button <br />
id="btnLogin" <br />
Text="Login"<br />
OnClick="Login_Click" <br />
runat=Server /><br />
</form><br />
</body><br />
</html><br />
<br />
--%><br />
<br />
<%-- default.aspx<br />
<%@ Import Namespace="System.Web.Security " %><br />
<html><br />
<head><br />
<script language="C#" runat=server><br />
void Page_Load(Object S, EventArgs E)<br />
{<br />
lblUser.Text = User.Identity.Name;<br />
lblType.Text = User.Identity.AuthenticationType;<br />
}<br />
void Logout_Click(Object S, EventArgs E)<br />
{<br />
FormsAuthentication.SignOut();<br />
Server.Transfer("login.aspx");<br />
}<br />
</script><br />
</head><br />
<body><br />
<form runat="server"><br />
<font face="Verdana" size="4" color="navy"><br />
<b>Forms Authentication</b></font><hr><br />
<table border=1 bordercolor="#FFFFFF" bgcolor="Silver" <br />
cellspacing=0 cellpadding=4><br />
<tr><br />
<td><b>Current Users Name</b></td><br />
<td><asp:label id=lblUser runat=server/></td><br />
</tr><br />
<tr><br />
<td><b>Current Authentication Type</b></td><br />
<TD><asp:label id=lblType runat=server/></TD><br />
</tr><br />
</table><br />
<asp:button text="Logout" OnClick="Logout_Click" runat=server/><br />
</form><br />
</body><br />
</html><br />
--%><br />
<br />
<%-- web.config<br />
<configuration> <br />
<system.web><br />
<authentication mode="Forms"> <br />
<forms name=".MyDemo" loginUrl="login.aspx" <br />
protection="All" timeout="60" /><br />
</authentication><br />
<machineKey validationKey="AutoGenerate" <br />
decryptionKey="AutoGenerate" validation="SHA1"/><br />
<authorization> <br />
<deny users="?" /><br />
</authorization><br />
</system.web><br />
</configuration><br />
--%><br />
<br />
<br />
</source><br />
<br />
<br />
<A href="http://www.nfex.ru/Code/ASPDownload/AuthenticationForms.zip">AuthenticationForms.zip( 1 k)</a><br />
<br />
<br />
==Get current user name and Authentication Type (VB.net)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<html><br />
<head><br />
<script language="vb" runat="server"><br />
Sub Page_Load(Src As Object, E As EventArgs)<br />
lblUser.Text = User.Identity.Name<br />
lblType.Text = User.Identity.AuthenticationType<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<font face="Verdana" size="4" color="navy"><br />
<b>Windows Authentication</b></font><hr><br />
<table><br />
<tr><br />
<td><b>Current Users Name</b></td><br />
<td><asp:label id=lblUser runat=server/></td><br />
</tr><br />
<tr><br />
<td><b>Current Authentication Type</b></td><br />
<TD><asp:label id=lblType runat=server/></TD><br />
</tr><br />
</table><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==User.Identity.IsAuthenticated (VB.net)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>User property example</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Message.Text = "Authenticated: " & User.Identity.IsAuthenticated & "<br/>"<br />
Message.Text &= "User Name: " & User.Identity.Name<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==User.Identity.Name (VB.net)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<title>User property example</title><br />
<script runat="server"><br />
Sub Page_Load()<br />
Message.Text = "Authenticated: " & User.Identity.IsAuthenticated & "<br/>"<br />
Message.Text &= "User Name: " & User.Identity.Name<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" runat="server"/><br />
</body><br />
</html><br />
<br />
</source></div>
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