/// <summary>
/// Verifies whether or not the <see cref="ODataQueryOptions(TEntity)"/> are allowed or not.
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="odataOptions">The odata options from the request.</param>
/// <param name="allowedQueryStructure">Each web api will have their individual allowed set of query strutures.</param>
/// <param name="isFeatureEnabled">The configuration state for the feature.</param>
/// <param name="telemetryContext">Information to be used by the telemetry events.</param>
/// <returns>True if the options are allowed.</returns>
public static bool AreODataOptionsAllowed <TEntity>(ODataQueryOptions <TEntity> odataOptions,
ODataQueryFilter allowedQueryStructure,
bool isFeatureEnabled,
string telemetryContext)
{
// If validation of the ODataQueryOptions fails, we will not reject the request.
var isAllowed = true;
try
{
isAllowed = allowedQueryStructure.IsAllowed(odataOptions);
}
catch (Exception ex)
{
var telemetryProperties = new Dictionary <string, string>();
telemetryProperties.Add(TelemetryService.CallContext, $"{telemetryContext}:{nameof(AreODataOptionsAllowed)}");
telemetryProperties.Add(TelemetryService.IsEnabled, $"{isFeatureEnabled}");
// Log and do not throw
Telemetry.TrackException(ex, telemetryProperties);
}
_telemetryService.TrackODataQueryFilterEvent(
callContext: $"{telemetryContext}:{nameof(AreODataOptionsAllowed)}",
isEnabled: isFeatureEnabled,
isAllowed: isAllowed,
queryPattern: ODataQueryFilter.ODataOptionsMap(odataOptions).ToString());
return(isFeatureEnabled ? isAllowed : true);
}
internal static string GetValidationFailedMessage <T>(ODataQueryOptions <T> options)
{
return($"A query with \"{ODataQueryFilter.ODataOptionsMap(options)}\" set of operators is not supported. Please refer to : https://github.com/NuGet/Home/wiki/Filter-OData-query-requests for additional information.");
}