serverless-spy
Version:
CDK-based library for writing elegant integration tests on AWS serverless architecture and an additional web console to monitor events in real time.
25 lines (24 loc) • 1.11 kB
JavaScript
import { HttpRequest } from "@smithy/protocol-http";
import { SMITHY_CONTEXT_KEY, } from "@smithy/types";
import { getSmithyContext } from "@smithy/util-middleware";
const defaultErrorHandler = (signingProperties) => (error) => {
throw error;
};
const defaultSuccessHandler = (httpResponse, signingProperties) => { };
export const httpSigningMiddleware = (config) => (next, context) => async (args) => {
if (!HttpRequest.isInstance(args.request)) {
return next(args);
}
const smithyContext = getSmithyContext(context);
const scheme = smithyContext.selectedHttpAuthScheme;
if (!scheme) {
throw new Error(`No HttpAuthScheme was selected: unable to sign request`);
}
const { httpAuthOption: { signingProperties = {} }, identity, signer, } = scheme;
const output = await next({
...args,
request: await signer.sign(args.request, identity, signingProperties),
}).catch((signer.errorHandler || defaultErrorHandler)(signingProperties));
(signer.successHandler || defaultSuccessHandler)(output.response, signingProperties);
return output;
};