113 lines
6.0 KiB
JavaScript
113 lines
6.0 KiB
JavaScript
import { SignatureV4S3Express } from "@aws-sdk/middleware-sdk-s3";
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import { signatureV4aContainer, } from "@smithy/signature-v4";
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import { signatureV4CrtContainer } from "./signature-v4-crt-container";
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export class SignatureV4MultiRegion {
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sigv4aSigner;
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sigv4Signer;
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signerOptions;
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static sigv4aDependency() {
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if (typeof signatureV4CrtContainer.CrtSignerV4 === "function") {
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return "crt";
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}
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else if (typeof signatureV4aContainer.SignatureV4a === "function") {
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return "js";
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}
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return "none";
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}
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constructor(options) {
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this.sigv4Signer = new SignatureV4S3Express(options);
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this.signerOptions = options;
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}
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async sign(requestToSign, options = {}) {
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if (options.signingRegion === "*") {
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return this.getSigv4aSigner().sign(requestToSign, options);
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}
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return this.sigv4Signer.sign(requestToSign, options);
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}
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async signWithCredentials(requestToSign, credentials, options = {}) {
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if (options.signingRegion === "*") {
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const signer = this.getSigv4aSigner();
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const CrtSignerV4 = signatureV4CrtContainer.CrtSignerV4;
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if (CrtSignerV4 && signer instanceof CrtSignerV4) {
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return signer.signWithCredentials(requestToSign, credentials, options);
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}
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else {
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throw new Error(`signWithCredentials with signingRegion '*' is only supported when using the CRT dependency @aws-sdk/signature-v4-crt. ` +
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`Please check whether you have installed the "@aws-sdk/signature-v4-crt" package explicitly. ` +
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`You must also register the package by calling [require("@aws-sdk/signature-v4-crt");] ` +
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`or an ESM equivalent such as [import "@aws-sdk/signature-v4-crt";]. ` +
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`For more information please go to https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt`);
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}
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}
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return this.sigv4Signer.signWithCredentials(requestToSign, credentials, options);
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}
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async presign(originalRequest, options = {}) {
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if (options.signingRegion === "*") {
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const signer = this.getSigv4aSigner();
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const CrtSignerV4 = signatureV4CrtContainer.CrtSignerV4;
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if (CrtSignerV4 && signer instanceof CrtSignerV4) {
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return signer.presign(originalRequest, options);
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}
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else {
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throw new Error(`presign with signingRegion '*' is only supported when using the CRT dependency @aws-sdk/signature-v4-crt. ` +
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`Please check whether you have installed the "@aws-sdk/signature-v4-crt" package explicitly. ` +
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`You must also register the package by calling [require("@aws-sdk/signature-v4-crt");] ` +
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`or an ESM equivalent such as [import "@aws-sdk/signature-v4-crt";]. ` +
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`For more information please go to https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt`);
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}
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}
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return this.sigv4Signer.presign(originalRequest, options);
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}
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async presignWithCredentials(originalRequest, credentials, options = {}) {
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if (options.signingRegion === "*") {
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throw new Error("Method presignWithCredentials is not supported for [signingRegion=*].");
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}
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return this.sigv4Signer.presignWithCredentials(originalRequest, credentials, options);
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}
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getSigv4aSigner() {
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if (!this.sigv4aSigner) {
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const CrtSignerV4 = signatureV4CrtContainer.CrtSignerV4;
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const JsSigV4aSigner = signatureV4aContainer.SignatureV4a;
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if (this.signerOptions.runtime === "node") {
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if (!CrtSignerV4 && !JsSigV4aSigner) {
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throw new Error("Neither CRT nor JS SigV4a implementation is available. " +
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"Please load either @aws-sdk/signature-v4-crt or @aws-sdk/signature-v4a. " +
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"For more information please go to " +
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"https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt");
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}
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if (CrtSignerV4 && typeof CrtSignerV4 === "function") {
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this.sigv4aSigner = new CrtSignerV4({
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...this.signerOptions,
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signingAlgorithm: 1,
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});
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}
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else if (JsSigV4aSigner && typeof JsSigV4aSigner === "function") {
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this.sigv4aSigner = new JsSigV4aSigner({
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...this.signerOptions,
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});
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}
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else {
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throw new Error("Available SigV4a implementation is not a valid constructor. " +
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"Please ensure you've properly imported @aws-sdk/signature-v4-crt or @aws-sdk/signature-v4a." +
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"For more information please go to " +
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"https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt");
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}
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}
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else {
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if (!JsSigV4aSigner || typeof JsSigV4aSigner !== "function") {
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throw new Error("JS SigV4a implementation is not available or not a valid constructor. " +
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"Please check whether you have installed the @aws-sdk/signature-v4a package explicitly. The CRT implementation is not available for browsers. " +
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"You must also register the package by calling [require('@aws-sdk/signature-v4a');] " +
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"or an ESM equivalent such as [import '@aws-sdk/signature-v4a';]. " +
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"For more information please go to " +
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"https://github.com/aws/aws-sdk-js-v3#using-javascript-non-crt-implementation-of-sigv4a");
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}
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this.sigv4aSigner = new JsSigV4aSigner({
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...this.signerOptions,
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});
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}
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}
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return this.sigv4aSigner;
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}
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}
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