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.
64 lines (63 loc) • 3.14 kB
JavaScript
import { SignatureV4S3Express } from "@aws-sdk/middleware-sdk-s3";
import { signatureV4CrtContainer } from "./signature-v4-crt-container";
export class SignatureV4MultiRegion {
constructor(options) {
this.sigv4Signer = new SignatureV4S3Express(options);
this.signerOptions = options;
}
async sign(requestToSign, options = {}) {
if (options.signingRegion === "*") {
if (this.signerOptions.runtime !== "node")
throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
return this.getSigv4aSigner().sign(requestToSign, options);
}
return this.sigv4Signer.sign(requestToSign, options);
}
async signWithCredentials(requestToSign, credentials, options = {}) {
if (options.signingRegion === "*") {
if (this.signerOptions.runtime !== "node")
throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
return this.getSigv4aSigner().signWithCredentials(requestToSign, credentials, options);
}
return this.sigv4Signer.signWithCredentials(requestToSign, credentials, options);
}
async presign(originalRequest, options = {}) {
if (options.signingRegion === "*") {
if (this.signerOptions.runtime !== "node")
throw new Error("This request requires signing with SigV4Asymmetric algorithm. It's only available in Node.js");
return this.getSigv4aSigner().presign(originalRequest, options);
}
return this.sigv4Signer.presign(originalRequest, options);
}
async presignWithCredentials(originalRequest, credentials, options = {}) {
if (options.signingRegion === "*") {
throw new Error("Method presignWithCredentials is not supported for [signingRegion=*].");
}
return this.sigv4Signer.presignWithCredentials(originalRequest, credentials, options);
}
getSigv4aSigner() {
if (!this.sigv4aSigner) {
let CrtSignerV4 = null;
try {
CrtSignerV4 = signatureV4CrtContainer.CrtSignerV4;
if (typeof CrtSignerV4 !== "function")
throw new Error();
}
catch (e) {
e.message =
`${e.message}\n` +
`Please check whether you have installed the "@aws-sdk/signature-v4-crt" package explicitly. \n` +
`You must also register the package by calling [require("@aws-sdk/signature-v4-crt");] ` +
`or an ESM equivalent such as [import "@aws-sdk/signature-v4-crt";]. \n` +
"For more information please go to " +
"https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt";
throw e;
}
this.sigv4aSigner = new CrtSignerV4({
...this.signerOptions,
signingAlgorithm: 1,
});
}
return this.sigv4aSigner;
}
}