{
  "Parameters": {
    "paramBucketName": {
      "Type": "String",
      "Description": "Bucket Name"
    }
  },
  "Resources": {
    "SNSTopic": {
        "Type": "AWS::SNS::Topic"
    },
    "SNSTopicPolicy": {
        "Type": "AWS::SNS::TopicPolicy",
        "Properties": {
            "PolicyDocument": {
                "Id": "MyTopicPolicy",
                "Version": "2012-10-17",
                "Statement": [
                    {
                        "Sid": "Statement-id",
                        "Effect": "Allow",
                        "Principal": { "AWS": "*" },
                        "Action": "sns:Publish",
                        "Resource": { "Ref": "SNSTopic" },
                        "Condition": {
                            "ArnLike": {
                                "aws:SourceArn": { "Fn::Join": [ "", [ "arn:aws:s3:::", {"Ref": "paramBucketName"} ]]} }
                        }
                    }
                ]
            },
            "Topics": [ { "Ref": "SNSTopic" } ]
        }
    },
    "S3Bucket": {
        "Type": "AWS::S3::Bucket",
        "DependsOn": ["SNSTopicPolicy"],
        "Properties": {
            "AccessControl": "BucketOwnerFullControl",
            "BucketName": {"Ref": "paramBucketName"},
            "NotificationConfiguration": {
                "TopicConfigurations": [
                    {
                        "Topic": { "Ref": "SNSTopic" },
                        "Event": "s3:ObjectCreated:Put"
                    }
                ]
            }
        }
    }
  }
}