format check on aws region parameter to adhere to kebab case

facebookincubator · Jul 1, 2024 · 3448b1a · 3448b1a
1 parent 72f616a
commit 3448b1a
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/main/java/com/meta/cp4m/S3PreProcessorConfig.java b/src/main/java/com/meta/cp4m/S3PreProcessorConfig.java
@@ -10,6 +10,7 @@
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.common.base.Preconditions;
 import com.meta.cp4m.message.Message;
 import java.util.Objects;
 
@@ -22,6 +23,11 @@ public S3PreProcessorConfig(
             @JsonProperty("aws_secret_access_key") String awsSecretAccessKey,
             @JsonProperty("region") String region,
             @JsonProperty("bucket") String bucket) {
+
+        String kebabCase = "^[a-z0-9]+(-[a-z0-9]+)*$";
+        Preconditions.checkArgument(
+                bucket.matches(kebabCase), "bucket does not match the aws region format(kebab case) or is empty");
+
         this.name = Objects.requireNonNull(name, "name is a required parameter");
         this.awsAccessKeyId = Objects.requireNonNull(awsAccessKeyId, "aws access key is a required parameter");
         this.awsSecretAccessKey = Objects.requireNonNull(awsSecretAccessKey, "aws secret access key is a required parameter");