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fix(util-endpoints): check for entire resource-path being empty #6380

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merged 4 commits into from
Aug 13, 2024
Merged

fix(util-endpoints): check for entire resource-path being empty #6380

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5db2f68
fix(util-endpoints): check for entire resource-path being empty
trivikr Aug 12, 2024
7d9d9ad
test(endpoint): enable test for s3 empty arn type
trivikr Aug 12, 2024
855f1fa
fix(util-endpoints): handle case when resourcePath contains both deli…
trivikr Aug 13, 2024
3937a6a
fix(util-endpoints): revert handling case when resourcePath contains …
trivikr Aug 13, 2024
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10 changes: 10 additions & 0 deletions packages/util-endpoints/src/lib/aws/parseArn.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,16 @@ describe(parseArn.name, () => {
resourceId: ["accesspoint", "myendpoint"],
},
],
[
"arn:aws:s3:us-west-2:123456789012::myendpoint",
{
partition: "aws",
service: "s3",
region: "us-west-2",
accountId: "123456789012",
resourceId: ["", "myendpoint"],
},
],
[
"arn:aws:s3:us-west-2:123456789012:accesspoint/myendpoint",
{
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15 changes: 11 additions & 4 deletions packages/util-endpoints/src/lib/aws/parseArn.ts
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Original file line number Diff line number Diff line change
@@ -1,24 +1,31 @@
import { EndpointARN } from "@smithy/types";

const ARN_DELIMITER = ":";
const RESOURCE_DELIMITER = "/";

/**
* Evaluates a single string argument value, and returns an object containing
* details about the parsed ARN.
* If the input was not a valid ARN, the function returns null.
*/
export const parseArn = (value: string): EndpointARN | null => {
const segments = value.split(":");
const segments = value.split(ARN_DELIMITER);

if (segments.length < 6) return null;

const [arn, partition, service, region, accountId, ...resourceId] = segments;
const [arn, partition, service, region, accountId, ...resourcePath] = segments;

if (arn !== "arn" || partition === "" || service === "" || resourcePath.join(ARN_DELIMITER) === "") return null;

if (arn !== "arn" || partition === "" || service === "" || resourceId[0] === "") return null;
const resourceId = resourcePath[0].includes(RESOURCE_DELIMITER)
? resourcePath[0].split(RESOURCE_DELIMITER)
: resourcePath;
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return {
partition,
service,
region,
accountId,
resourceId: resourceId[0].includes("/") ? resourceId[0].split("/") : resourceId,
resourceId,
};
};
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