31 lines
1.4 KiB
JavaScript
31 lines
1.4 KiB
JavaScript
import { setCredentialFeature } from "@aws-sdk/core/client";
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import { CredentialsProviderError } from "@smithy/property-provider";
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import { externalDataInterceptor } from "@smithy/shared-ini-file-loader";
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import { readFileSync } from "fs";
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import { fromWebToken } from "./fromWebToken";
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const ENV_TOKEN_FILE = "AWS_WEB_IDENTITY_TOKEN_FILE";
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const ENV_ROLE_ARN = "AWS_ROLE_ARN";
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const ENV_ROLE_SESSION_NAME = "AWS_ROLE_SESSION_NAME";
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export const fromTokenFile = (init = {}) => async () => {
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init.logger?.debug("@aws-sdk/credential-provider-web-identity - fromTokenFile");
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const webIdentityTokenFile = init?.webIdentityTokenFile ?? process.env[ENV_TOKEN_FILE];
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const roleArn = init?.roleArn ?? process.env[ENV_ROLE_ARN];
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const roleSessionName = init?.roleSessionName ?? process.env[ENV_ROLE_SESSION_NAME];
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if (!webIdentityTokenFile || !roleArn) {
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throw new CredentialsProviderError("Web identity configuration not specified", {
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logger: init.logger,
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});
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}
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const credentials = await fromWebToken({
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...init,
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webIdentityToken: externalDataInterceptor?.getTokenRecord?.()[webIdentityTokenFile] ??
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readFileSync(webIdentityTokenFile, { encoding: "ascii" }),
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roleArn,
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roleSessionName,
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})();
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if (webIdentityTokenFile === process.env[ENV_TOKEN_FILE]) {
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setCredentialFeature(credentials, "CREDENTIALS_ENV_VARS_STS_WEB_ID_TOKEN", "h");
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}
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return credentials;
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};
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