PostmanAutomationAwsCognito

# Endpoint:
https://cognito-idp.ap-southeast-2.amazonaws.com/

# Curl Command:
curl --location 'https://cognito-idp.ap-southeast-2.amazonaws.com/' \
--header 'Content-Type: application/x-amz-json-1.1' \
--header 'x-amz-target: AWSCognitoIdentityProviderService.InitiateAuth' \
--data-raw '{
    "AuthFlow": "USER_PASSWORD_AUTH",
    "ClientId": "{{clientId}}",
    "AuthParameters": {
        "USERNAME": "{{email}}",
        "PASSWORD":"{{password}}",
        "SECRET_HASH": "{{secretHash}}"
    }
}'

# Pre-request Script:
const clientSecret = pm.environment.get("clientSecret")
const clientId = pm.environment.get("clientId")
const email = pm.environment.get("email")

pm.sendRequest("https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js", (error, response) => {
    if (error || response.code !== 200) {
        pm.expect.fail('Could not load external library');
    }
    eval(response.text());
    const CryptoJS = require('crypto-js');
    const digest = CryptoJS.enc.Base64.stringify(CryptoJS.HmacSHA256(email + clientId, clientSecret));
    pm.environment.set("secretHash",digest.toString())
});

# Test:
const responseJson = pm.response.json();
console.log("response",responseJson)
pm.environment.set("token",responseJson['AuthenticationResult']['AccessToken'])