@aws-sdk/middleware-sdk-s3
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JavaScript
import { partition } from "@aws-sdk/core/client";
import { parse as parseArn, validate as validateArn } from "@aws-sdk/core/util";
import { getArnResources as getS3AccesspointArnResources, validateAccountId, validateOutpostService, validatePartition, } from "@aws-sdk/middleware-sdk-s3/s3";
import { CONTEXT_ARN_REGION, CONTEXT_OUTPOST_ID, CONTEXT_SIGNING_REGION, CONTEXT_SIGNING_SERVICE } from "../constants";
export const parseOutpostArnablesMiddleaware = (options) => (next, context) => async (args) => {
const { input } = args;
const parameter = input.Name && validateArn(input.Name) ? "Name" : input.Bucket && validateArn(input.Bucket) ? "Bucket" : undefined;
if (!parameter)
return next(args);
const clientRegion = await options.region();
const useArnRegion = await options.useArnRegion();
const useFipsEndpoint = await options.useFipsEndpoint();
const useDualstackEndpoint = await options.useDualstackEndpoint();
const baseRegion = clientRegion;
let clientPartition;
let signingRegion;
if (options.regionInfoProvider) {
({ partition: clientPartition, signingRegion = baseRegion } = (await options.regionInfoProvider(baseRegion, {
useFipsEndpoint,
useDualstackEndpoint,
})));
}
else {
signingRegion = context.endpointV2?.properties?.authSchemes?.[0]?.signingRegion || baseRegion;
clientPartition = partition(signingRegion).name;
}
const validatorOptions = {
useFipsEndpoint,
useDualstackEndpoint,
clientRegion,
clientPartition,
signingRegion,
useArnRegion,
};
let arn;
if (parameter === "Name") {
arn = parseArn(input.Name);
validateOutpostsArn(arn, validatorOptions);
const { outpostId, accesspointName } = parseOutpostsAccessPointArnResource(arn.resource);
input.Name = accesspointName;
context[CONTEXT_OUTPOST_ID] = outpostId;
}
else {
arn = parseArn(input.Bucket);
validateOutpostsArn(arn, validatorOptions);
const { outpostId, bucketName } = parseOutpostBucketArnResource(arn.resource);
input.Bucket = bucketName;
context[CONTEXT_OUTPOST_ID] = outpostId;
}
context[CONTEXT_SIGNING_SERVICE] = arn.service;
context[CONTEXT_SIGNING_REGION] = useArnRegion ? arn.region : signingRegion;
if (!input.AccountId) {
input.AccountId = arn.accountId;
}
if (useArnRegion)
context[CONTEXT_ARN_REGION] = arn.region;
return next(args);
};
export const parseOutpostArnablesMiddleawareOptions = {
toMiddleware: "serializerMiddleware",
relation: "before",
tags: ["CONVERT_ARN", "OUTPOST_BUCKET_ARN", "OUTPOST_ACCESS_POINT_ARN", "OUTPOST"],
name: "parseOutpostArnablesMiddleaware",
};
const validateOutpostsArn = (arn, { clientPartition }) => {
const { service, partition, accountId, region } = arn;
validateOutpostService(service);
validatePartition(partition, { clientPartition });
validateAccountId(accountId);
};
const parseOutpostsAccessPointArnResource = (resource) => {
const { outpostId, accesspointName } = getS3AccesspointArnResources(resource);
if (!outpostId) {
throw new Error("ARN resource should begin with 'outpost'");
}
return {
outpostId,
accesspointName,
};
};
const parseOutpostBucketArnResource = (resource) => {
const delimiter = resource.includes(":") ? ":" : "/";
const [resourceType, ...rest] = resource.split(delimiter);
if (resourceType === "outpost") {
if (!rest[0] || rest[1] !== "bucket" || !rest[2] || rest.length !== 3) {
throw new Error(`Outpost Bucket ARN should have resource outpost${delimiter}{outpostId}${delimiter}bucket${delimiter}{bucketName}`);
}
const [outpostId, _, bucketName] = rest;
return { outpostId, bucketName };
}
else {
throw new Error(`ARN resource should begin with 'outpost${delimiter}'`);
}
};