daball/amazon-pa-api-5.0-sdk-node-ts
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Converted from using crypto library to built-in crypto in Node.

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This commit is contained in:
David Ball 2024-07-18 02:28:28 -04:00
parent 66883a30fa
commit 60e2a5afe2
2 changed files with 15 additions and 5 deletions
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1
package.json
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@ -24,7 +24,6 @@
"url": "https://github.com/amzn/paapi5-nodejs-sdk"
},
"dependencies": {
"crypto-js": "^4.2.0",
"superagent": "^9.0.0"
},
"devDependencies": {

19
src/auth/SignHelper.ts
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@ -29,14 +29,25 @@
// sources of inspiration:
// http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html
import crypto from 'crypto-js';
import { createHmac, createHash, BinaryLike } from 'node:crypto';
const SHA256 = 'sha256';
const AWS4_HMAC_SHA256 = 'AWS4-HMAC-SHA256';
const HEX = 'hex';
const toTime = (time: number | string | Date) => new Date(time).toISOString().replace(/[:\-]|\.\d{3}/g, '');
const toDate = (time: number | string | Date) => toTime(time).substring(0, 8);
const hmac = (key: crypto.lib.WordArray | string, data: crypto.lib.WordArray | string) => crypto.HmacSHA256(data, key);
const hexEncodedHash = (data: crypto.lib.WordArray | string) => crypto.SHA256(data).toString(crypto.enc.Hex);
const hmac = (key: string|Buffer, data: string) => {
const hmacSHA256 = createHmac(SHA256, key);
hmacSHA256.update(data);
return hmacSHA256.digest();
}
const hexEncodedHash = (data: BinaryLike | string) => {
const hashSHA256 = createHash(SHA256);
hashSHA256.update(data);
return hashSHA256.digest(HEX).toString();
}
export const createAuthorizationHeaders = (timestamp: number | string | Date, accessKey: string, region: string, service: string, signedHeaders: string, signature: string) =>
`${AWS4_HMAC_SHA256} Credential=${accessKey}/${exports.createCredentialScope(timestamp, region, service)}, SignedHeaders=${signedHeaders}, Signature=${signature}`;
@ -96,7 +107,7 @@ export const createSignature = (secret: string, time: number | string | Date, re
var h2 = hmac(h1, region); // region-key
var h3 = hmac(h2, service); // service-key
var h4 = hmac(h3, AWS4_REQUEST); // signing-key
return hmac(h4, stringToSign).toString(crypto.enc.Hex);
return hmac(h4, stringToSign).toString(HEX);
};
export const toAmzDate = (time: number | string | Date) => new Date(time).toISOString().replace(/[:\-]|\.\d{3}/g, '');