access HttpContext.Current from WCF Web Service

by

You can get access to HttpContext.Current by enabling AspNetCompatibility, preferably via configuration:

<configuration>
  <system.serviceModel>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true"/>
  </system.serviceModel>
</configuration>

That in turn allows you to get access to the current user: HttpContext.Current.User – which is what you’re after, right?

You can even enforce AspNetCompatibility by decorating your service class with an additional attribute:

[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]

(In the System.ServiceModel.Activation namespace.)
If that attribute is in place, your service will fail to start unless AspNetCompatibility is enabled!

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