【发布时间】:2011-04-03 00:11:53
【问题描述】:
我正在开发将在 Azure 中托管的 WCF REST 服务,并希望检查用户 ID。为此,我创建了一个自定义 ServiceAuthorizationManager。
namespace SecureService
{
public class AccessControlServiceAuthorizationManager : ServiceAuthorizationManager
{
String serviceNamespace = String.Empty;
String acsHostname = String.Empty;
String trustedTokenPolicyKey = String.Empty;
String trustedAudience = String.Empty;
public AccessControlServiceAuthorizationManager()
{
try
{
serviceNamespace = RoleEnvironment.GetConfigurationSettingValue("serviceNamespace");
acsHostname = RoleEnvironment.GetConfigurationSettingValue("acsHostname");
trustedTokenPolicyKey = RoleEnvironment.GetConfigurationSettingValue("trustedTokenPolicyKey");
trustedAudience = RoleEnvironment.GetConfigurationSettingValue("trustedAudience");
}
catch
{
GenerateErrorResponse();
}
finally
{
}
} // end AccessControlServiceAuthorizationManager() Constructor
protected override bool CheckAccessCore(OperationContext operationContext)
{
String headerValue = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.Authorization];
String token = String.Empty;
string[] nameValuePair = null;
TokenValidator validator = null;
if (String.IsNullOrEmpty(headerValue))
{
GenerateErrorResponse();
return false;
}
if (!headerValue.StartsWith("WRAP "))
{
GenerateErrorResponse();
return false;
}
nameValuePair = headerValue.Substring("WRAP ".Length).Split(new char[] { '=' }, 2);
if (nameValuePair.Length != 2 ||
nameValuePair[0] != "access_token" ||
!nameValuePair[1].StartsWith("\"") ||
!nameValuePair[1].EndsWith("\""))
{
GenerateErrorResponse();
return false;
}
token = nameValuePair[1].Substring(1, nameValuePair[1].Length - 2);
validator = new TokenValidator(acsHostname, serviceNamespace, trustedAudience, trustedTokenPolicyKey);
if (!validator.Validate(token))
{
GenerateErrorResponse();
return false;
}
return true;
}
public void GenerateErrorResponse()
{
}
}
}
我的Web.config如下;
<system.serviceModel>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true"/>
<behaviors>
<serviceBehaviors>
<behavior name="Secure">
<serviceAuthorization serviceAuthorizationManagerType="SecureService.AccessControlServiceAuthorizationManager" />
</behavior>
</serviceBehaviors>
<endpointBehaviors>
<behavior name="webBehavior">
<webHttp />
</behavior>
</endpointBehaviors>
</behaviors>
<services>
<service name="SecureService.Demo">
<endpoint address="" behaviorConfiguration="webBehavior" binding="webHttpBinding" bindingConfiguration="" contract="SecureService.IDemo" />
<endpoint address="rest" behaviorConfiguration="webBehavior" binding="webHttpBinding" bindingConfiguration="" contract="SecureService.IDemo" />
</service>
</services>
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true">
<add name="UrlRoutingModule" type="System.Web.Routing.UrlRoutingModule, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</modules>
</system.webServer>
但是,当我通过 IE 调用服务时,似乎没有调用 CheckAccessCore() 方法。所以问题是我如何确保它被调用,从而确保我的用户得到验证。
我在 CheckAccessCore 中设置了一个断点,但它似乎永远不会被击中。
为了让事情变得真正有趣 - 我需要从 Silverlight 中调用这个 Web 服务。
提前致谢
【问题讨论】: