import { CredentialsProviderError } from "@smithy/property-provider"; export const fromTemporaryCredentials = (options) => { let stsClient; return async () => { options.logger?.debug("@aws-sdk/credential-providers", "fromTemporaryCredentials (STS)"); const params = { ...options.params, RoleSessionName: options.params.RoleSessionName ?? "aws-sdk-js-" + Date.now() }; if (params?.SerialNumber) { if (!options.mfaCodeProvider) { throw new CredentialsProviderError(`Temporary credential requires multi-factor authentication,` + ` but no MFA code callback was provided.`, false); } params.TokenCode = await options.mfaCodeProvider(params?.SerialNumber); } const { AssumeRoleCommand, STSClient } = await import("./loadSts"); if (!stsClient) stsClient = new STSClient({ ...options.clientConfig, credentials: options.masterCredentials }); if (options.clientPlugins) { for (const plugin of options.clientPlugins) { stsClient.middlewareStack.use(plugin); } } const { Credentials } = await stsClient.send(new AssumeRoleCommand(params)); if (!Credentials || !Credentials.AccessKeyId || !Credentials.SecretAccessKey) { throw new CredentialsProviderError(`Invalid response from STS.assumeRole call with role ${params.RoleArn}`); } return { accessKeyId: Credentials.AccessKeyId, secretAccessKey: Credentials.SecretAccessKey, sessionToken: Credentials.SessionToken, expiration: Credentials.Expiration, credentialScope: Credentials.CredentialScope, }; }; };