// Use the default service instance. You can also create a new instance.
// `const iamService = new iam.IamService();`
const iamService = iam.defaultService;

// set aksk
iamService.setAccessKeyId(AccessKeyId);
iamService.setSecretKey(SecretKey);
// If you use sts to request, you need to set up `SessionToken` after aksk is set
iamService.setSessionToken(SessionToken);

import { iam } from'@volcengine/openapi';

async function main(AccessKeyId, SecretKey) {
   // Use the default service instance. You can also create a new instance.
   // `const iamService = new iam.IamService();`
   const iamService = iam.defaultService;

   // set aksk
   iamService.setAccessKeyId(AccessKeyId);
   iamService.setSecretKey(SecretKey);
  
   // Request OpenAPI
   const usersResponse = await iamService.ListUsers({
     Limit: 10,
     Offset: 0,
   });
}

import {Signer} from '@volcengine/openapi';

// http request data
const openApiRequestData: RequestObj = {
    region: 'cn-north-1',
    method: 'GET',
    // [optional] http request url query
    params: {},
    // http request headers
    headers: {},
    // [optional] http request body
    body: "",
}

const signer = new Signer(openApiRequestData, "iam");

// sign
signer.addAuthorization({accessKeyId, secretKey, sessionToken});

// Print signed headers
console.log(openApiRequestData.headers);

const openApiRequestData: RequestObj = {
    method: "POST",
    region: "cn-north-1",
    params: {
        Action: "AssumeRole",
        Version: "2018-01-01",
        RoleTrn: "trn:iam::200:role/STSRole",
        RoleSessionName: "test",
    },
}

const credentials: Credentials = {
    accessKeyId: VOLC_ACCESSKEY,
    secretKey: VOLC_SECRETKEY,
    sessionToken: "",
}

const signer = new Signer(openApiRequestData, "sts");

const signedQueryString = signer.getSignUrl(credentials);