Amazon.SimpleNotificationService.AmazonSimpleNotificationServiceClient.HasSQSPermission C# (CSharp) Метод

        private static bool HasSQSPermission(Policy policy, string topicArn, string sqsQueueArn)
        {
            foreach (Statement statement in policy.Statements)
            {
                // See if the statement contains the topic as a resource
                bool containsResource = false;
                foreach (var resource in statement.Resources)
                {
                    if (resource.Id.Equals(sqsQueueArn))
                    {
                        containsResource = true;
                        break;
                    }
                }

                // If queue found as the resource see if the condition is for this topic
                if (containsResource)
                {
                    foreach (var condition in statement.Conditions)
                    {
                        if ((string.Equals(condition.Type, ConditionFactory.StringComparisonType.StringLike.ToString(), StringComparison.OrdinalIgnoreCase) ||
                                string.Equals(condition.Type, ConditionFactory.StringComparisonType.StringEquals.ToString(), StringComparison.OrdinalIgnoreCase) ||
                                string.Equals(condition.Type, ConditionFactory.ArnComparisonType.ArnEquals.ToString(), StringComparison.OrdinalIgnoreCase) ||
                                string.Equals(condition.Type, ConditionFactory.ArnComparisonType.ArnLike.ToString(), StringComparison.OrdinalIgnoreCase)) &&
                            string.Equals(condition.ConditionKey, ConditionFactory.SOURCE_ARN_CONDITION_KEY, StringComparison.OrdinalIgnoreCase) &&
                            condition.Values.Contains<string>(topicArn))
                            return true;
                    }
                }
            }

            return false;
        }