// This API is a helper method to create auth header based on client request.
// Uri is split into resourceType/resourceId -
// For feed/post/put requests, resourceId = parentId,
// For point get requests, resourceId = last segment in URI
public static string GenerateGatewayAuthSignatureWithAddressResolution(string verb,
Uri uri,
INameValueCollection headers,
IComputeHash stringHMACSHA256Helper,
string clientVersion = "")
{
if (uri == null)
{
throw new ArgumentNullException(nameof(uri));
}
// Address request has the URI fragment (dbs/dbid/colls/colId...) as part of
// either $resolveFor 'or' $generate queries of the context.RequestUri.
// Extracting out the URI in the form https://localhost/dbs/dbid/colls/colId/docs to generate the signature.
// Authorizer uses the same URI to verify signature.
if (uri.AbsolutePath.Equals(Paths.Address_Root, StringComparison.OrdinalIgnoreCase))
{
uri = AuthorizationHelper.GenerateUriFromAddressRequestUri(uri);
}
return(GenerateKeyAuthorizationSignature(verb, uri, headers, stringHMACSHA256Helper, clientVersion));
}