/// <summary>
/// Adds the necessary headers to the given list of headers. This includes the authorization header,
/// which uses other headers, so when you need to override this method,
/// make sure to call <code>base.AddGenericHeaders</code> at the <i>end</i> of your overridden method.
/// </summary>
protected IEnumerable <IRequestHeader> AddGenericHeaders(HttpMethod httpMethod, Uri uri, IEnumerable <IRequestHeader> requestHeaders, CallContext context)
{
var requestHeaderList = requestHeaders.ToList();
// add server meta info headers
requestHeaderList.AddRange(_session.MetaDataProvider.ServerMetaDataHeaders);
// add date header
requestHeaderList.Add(new RequestHeader("Date", GetHeaderDateString()));
// add context specific headers
if (context != null && context.IdempotenceKey != null)
{
requestHeaderList.Add(new RequestHeader("X-GCS-Idempotence-Key", context.IdempotenceKey));
}
// add signature
IAuthenticator authenticator = _session.Authenticator;
string authenticationSignature = authenticator.CreateSimpleAuthenticationSignature(httpMethod, uri, requestHeaderList);
requestHeaderList.Add(new RequestHeader("Authorization", authenticationSignature));
return(requestHeaderList);
}