IntranetZoneCredentialPolicy.ShouldSendCredential 方法

public:
 virtual bool ShouldSendCredential(Uri ^ challengeUri, System::Net::WebRequest ^ request, System::Net::NetworkCredential ^ credential, System::Net::IAuthenticationModule ^ authModule);

public virtual bool ShouldSendCredential(Uri challengeUri, System.Net.WebRequest request, System.Net.NetworkCredential credential, System.Net.IAuthenticationModule authModule);

abstract member ShouldSendCredential : Uri * System.Net.WebRequest * System.Net.NetworkCredential * System.Net.IAuthenticationModule -> bool
override this.ShouldSendCredential : Uri * System.Net.WebRequest * System.Net.NetworkCredential * System.Net.IAuthenticationModule -> bool

Public Overridable Function ShouldSendCredential (challengeUri As Uri, request As WebRequest, credential As NetworkCredential, authModule As IAuthenticationModule) As Boolean

參數

傳回

true如果請求的資源與提出請求的用戶端位於同一網域;否則，。 false

實作

範例

以下程式碼範例示範如何從中推導 IntranetZoneCredentialPolicy 出，允許對使用安全超文本傳輸協定（HTTPS）及基本認證的請求發送憑證。 利用 HTTPS 和基本認證，使用者密碼在傳送至網路前會先加密。

// The following class allows credentials to be sent if they are for requests for resources
// in the same domain, or if the request uses the HTTPSscheme and basic authentication is 
// required.
public ref class HttpsBasicCredentialPolicy: public IntranetZoneCredentialPolicy
{
public:
   HttpsBasicCredentialPolicy(){}

   virtual bool ShouldSendCredential( Uri^ challengeUri, WebRequest^ request, NetworkCredential^ credential, IAuthenticationModule^ authModule ) override
   {
      Console::WriteLine( L"Checking custom credential policy for HTTPS and basic." );
      bool answer = IntranetZoneCredentialPolicy::ShouldSendCredential( challengeUri, request, credential, authModule );
      if ( answer )
      {
         Console::WriteLine( L"Sending credential for intranet resource." );
         return answer;
      }

      // Determine whether the base implementation returned false for basic and HTTPS.
      if ( request->RequestUri->Scheme == Uri::UriSchemeHttps && authModule->AuthenticationType->Equals( L"Basic" ) )
      {
         Console::WriteLine( L"Sending credential for HTTPS and basic." );
         return true;
      }

      return false;
   }
};

// The following class allows credentials to be sent if they are for requests for resources
// in the same domain, or if the request uses the HTTPSscheme and basic authentication is
// required.

       public class HttpsBasicCredentialPolicy: IntranetZoneCredentialPolicy
    {
        public HttpsBasicCredentialPolicy()
        {
        }

        public override bool ShouldSendCredential(Uri challengeUri,
            WebRequest request,
            NetworkCredential credential,
            IAuthenticationModule authModule)
        {
            Console.WriteLine("Checking custom credential policy for HTTPS and basic.");
            bool answer = base.ShouldSendCredential(challengeUri, request, credential, authModule);

            if (answer )
            {
                Console.WriteLine("Sending credential for intranet resource.");
                return answer;
            }
            // Determine whether the base implementation returned false for basic and HTTPS.
            if (request.RequestUri.Scheme == Uri.UriSchemeHttps &&
                authModule.AuthenticationType == "Basic")
            {
                Console.WriteLine("Sending credential for HTTPS and basic.");
                return true;
            }
            return false;
        }
    }

備註

應用程式不會直接呼叫此方法;它由 IAuthenticationModule 負責與伺服器進行認證的 所呼叫。 如果此方法返回 false，則 IAuthenticationModule 不會將用戶端驗證給伺服器。

此方法僅在指定憑證或使用 WebProxy 指定憑證物件的請求時被呼叫。