recoder-code
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42 lines (41 loc) • 1.38 kB
JavaScript
export const regionRedirectEndpointMiddleware = (config) => {
return (next, context) => async (args) => {
const originalRegion = await config.region();
const regionProviderRef = config.region;
let unlock = () => { };
if (context.__s3RegionRedirect) {
Object.defineProperty(config, "region", {
writable: false,
value: async () => {
return context.__s3RegionRedirect;
},
});
unlock = () => Object.defineProperty(config, "region", {
writable: true,
value: regionProviderRef,
});
}
try {
const result = await next(args);
if (context.__s3RegionRedirect) {
unlock();
const region = await config.region();
if (originalRegion !== region) {
throw new Error("Region was not restored following S3 region redirect.");
}
}
return result;
}
catch (e) {
unlock();
throw e;
}
};
};
export const regionRedirectEndpointMiddlewareOptions = {
tags: ["REGION_REDIRECT", "S3"],
name: "regionRedirectEndpointMiddleware",
override: true,
relation: "before",
toMiddleware: "endpointV2Middleware",
};