71 lines
3.2 KiB
JavaScript
71 lines
3.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.fromContainerMetadata = exports.ENV_CMDS_AUTH_TOKEN = exports.ENV_CMDS_RELATIVE_URI = exports.ENV_CMDS_FULL_URI = void 0;
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const property_provider_1 = require("@smithy/property-provider");
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const url_1 = require("url");
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const httpRequest_1 = require("./remoteProvider/httpRequest");
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const ImdsCredentials_1 = require("./remoteProvider/ImdsCredentials");
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const RemoteProviderInit_1 = require("./remoteProvider/RemoteProviderInit");
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const retry_1 = require("./remoteProvider/retry");
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exports.ENV_CMDS_FULL_URI = "AWS_CONTAINER_CREDENTIALS_FULL_URI";
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exports.ENV_CMDS_RELATIVE_URI = "AWS_CONTAINER_CREDENTIALS_RELATIVE_URI";
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exports.ENV_CMDS_AUTH_TOKEN = "AWS_CONTAINER_AUTHORIZATION_TOKEN";
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const fromContainerMetadata = (init = {}) => {
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const { timeout, maxRetries } = (0, RemoteProviderInit_1.providerConfigFromInit)(init);
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return () => (0, retry_1.retry)(async () => {
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const requestOptions = await getCmdsUri();
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const credsResponse = JSON.parse(await requestFromEcsImds(timeout, requestOptions));
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if (!(0, ImdsCredentials_1.isImdsCredentials)(credsResponse)) {
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throw new property_provider_1.CredentialsProviderError("Invalid response received from instance metadata service.");
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}
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return (0, ImdsCredentials_1.fromImdsCredentials)(credsResponse);
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}, maxRetries);
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};
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exports.fromContainerMetadata = fromContainerMetadata;
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const requestFromEcsImds = async (timeout, options) => {
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if (process.env[exports.ENV_CMDS_AUTH_TOKEN]) {
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options.headers = {
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...options.headers,
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Authorization: process.env[exports.ENV_CMDS_AUTH_TOKEN],
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};
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}
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const buffer = await (0, httpRequest_1.httpRequest)({
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...options,
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timeout,
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});
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return buffer.toString();
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};
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const CMDS_IP = "169.254.170.2";
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const GREENGRASS_HOSTS = {
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localhost: true,
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"127.0.0.1": true,
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};
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const GREENGRASS_PROTOCOLS = {
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"http:": true,
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"https:": true,
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};
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const getCmdsUri = async () => {
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if (process.env[exports.ENV_CMDS_RELATIVE_URI]) {
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return {
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hostname: CMDS_IP,
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path: process.env[exports.ENV_CMDS_RELATIVE_URI],
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};
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}
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if (process.env[exports.ENV_CMDS_FULL_URI]) {
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const parsed = (0, url_1.parse)(process.env[exports.ENV_CMDS_FULL_URI]);
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if (!parsed.hostname || !(parsed.hostname in GREENGRASS_HOSTS)) {
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throw new property_provider_1.CredentialsProviderError(`${parsed.hostname} is not a valid container metadata service hostname`, false);
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}
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if (!parsed.protocol || !(parsed.protocol in GREENGRASS_PROTOCOLS)) {
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throw new property_provider_1.CredentialsProviderError(`${parsed.protocol} is not a valid container metadata service protocol`, false);
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}
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return {
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...parsed,
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port: parsed.port ? parseInt(parsed.port, 10) : undefined,
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};
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}
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throw new property_provider_1.CredentialsProviderError("The container metadata credential provider cannot be used unless" +
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` the ${exports.ENV_CMDS_RELATIVE_URI} or ${exports.ENV_CMDS_FULL_URI} environment` +
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" variable is set", false);
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};
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