SecurityTokenProvider.GetTokenCore(TimeSpan) 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
获取安全令牌。
protected:
abstract System::IdentityModel::Tokens::SecurityToken ^ GetTokenCore(TimeSpan timeout);
protected abstract System.IdentityModel.Tokens.SecurityToken GetTokenCore (TimeSpan timeout);
abstract member GetTokenCore : TimeSpan -> System.IdentityModel.Tokens.SecurityToken
Protected MustOverride Function GetTokenCore (timeout As TimeSpan) As SecurityToken
参数
返回
表示要获取的安全令牌的 SecurityToken。
示例
protected override SecurityToken GetTokenCore(TimeSpan timeout)
{
// Create a SamlSecurityToken from the provided assertion
SamlSecurityToken samlToken = new SamlSecurityToken(assertion);
// Create a SecurityTokenSerializer that will be used to serialize the SamlSecurityToken
WSSecurityTokenSerializer ser = new WSSecurityTokenSerializer();
// Create a memory stream to write the serialized token into
// Use an initial size of 64Kb
MemoryStream s = new MemoryStream(UInt16.MaxValue);
// Create an XmlWriter over the stream
XmlWriter xw = XmlWriter.Create(s);
// Write the SamlSecurityToken into the stream
ser.WriteToken(xw, samlToken);
// Seek back to the beginning of the stream
s.Seek(0, SeekOrigin.Begin);
// Load the serialized token into a DOM
XmlDocument dom = new XmlDocument();
dom.Load(s);
// Create a KeyIdentifierClause for the SamlSecurityToken
SamlAssertionKeyIdentifierClause samlKeyIdentifierClause = samlToken.CreateKeyIdentifierClause<SamlAssertionKeyIdentifierClause>();
// Return a GenericXmlToken from the XML for the SamlSecurityToken, the proof token, the valid from
// and valid until times from the assertion and the key identifier clause created above
return new GenericXmlSecurityToken(dom.DocumentElement, proofToken, assertion.Conditions.NotBefore, assertion.Conditions.NotOnOrAfter, samlKeyIdentifierClause, samlKeyIdentifierClause, null);
}
Protected Overrides Function GetTokenCore(ByVal timeout As TimeSpan) As SecurityToken
' Create a SamlSecurityToken from the provided assertion
Dim samlToken As New SamlSecurityToken(assertion)
' Create a SecurityTokenSerializer that will be used to serialize the SamlSecurityToken
Dim ser As New WSSecurityTokenSerializer()
' Create a memory stream to write the serialized token into
' Use an initial size of 64Kb
Dim s As New MemoryStream(UInt16.MaxValue)
' Create an XmlWriter over the stream
Dim xw As XmlWriter = XmlWriter.Create(s)
' Write the SamlSecurityToken into the stream
ser.WriteToken(xw, samlToken)
' Seek back to the beginning of the stream
s.Seek(0, SeekOrigin.Begin)
' Load the serialized token into a DOM
Dim dom As New XmlDocument()
dom.Load(s)
' Create a KeyIdentifierClause for the SamlSecurityToken
Dim samlKeyIdentifierClause As SamlAssertionKeyIdentifierClause = samlToken.CreateKeyIdentifierClause(Of SamlAssertionKeyIdentifierClause)()
' Return a GenericXmlToken from the XML for the SamlSecurityToken, the proof token, the valid from
' and valid until times from the assertion and the key identifier clause created above
Return New GenericXmlSecurityToken(dom.DocumentElement, proofToken, assertion.Conditions.NotBefore, assertion.Conditions.NotOnOrAfter, samlKeyIdentifierClause, samlKeyIdentifierClause, Nothing)
End Function 'GetTokenCore
End Class
注解
当 GetTokenCore 方法被重写且无法获取传递到令牌参数中的安全令牌时,将引发 SecurityTokenException 异常。
当客户端发送 SOAP 消息并且需要安全令牌时,GetToken 类会调用 ClientCredentials 方法。
GetToken 方法调用 GetTokenCore 方法。