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Viewing file:     fromHttp.js (3.4 KB)      -rw-r--r--

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.fromHttp = void 0;
const tslib_1 = require("tslib");
const node_http_handler_1 = require("@smithy/node-http-handler");
const property_provider_1 = require("@smithy/property-provider");
const promises_1 = tslib_1.__importDefault(require("fs/promises"));
const checkUrl_1 = require("./checkUrl");
const requestHelpers_1 = require("./requestHelpers");
const retry_wrapper_1 = require("./retry-wrapper");
const AWS_CONTAINER_CREDENTIALS_RELATIVE_URI = "AWS_CONTAINER_CREDENTIALS_RELATIVE_URI";
const DEFAULT_LINK_LOCAL_HOST = "http://169.254.170.2";
const AWS_CONTAINER_CREDENTIALS_FULL_URI = "AWS_CONTAINER_CREDENTIALS_FULL_URI";
const AWS_CONTAINER_AUTHORIZATION_TOKEN_FILE = "AWS_CONTAINER_AUTHORIZATION_TOKEN_FILE";
const AWS_CONTAINER_AUTHORIZATION_TOKEN = "AWS_CONTAINER_AUTHORIZATION_TOKEN";
const fromHttp = (options = {}) => {
    options.logger?.debug("@aws-sdk/credential-provider-http - fromHttp");
    let host;
    const relative = options.awsContainerCredentialsRelativeUri ?? process.env[AWS_CONTAINER_CREDENTIALS_RELATIVE_URI];
    const full = options.awsContainerCredentialsFullUri ?? process.env[AWS_CONTAINER_CREDENTIALS_FULL_URI];
    const token = options.awsContainerAuthorizationToken ?? process.env[AWS_CONTAINER_AUTHORIZATION_TOKEN];
    const tokenFile = options.awsContainerAuthorizationTokenFile ?? process.env[AWS_CONTAINER_AUTHORIZATION_TOKEN_FILE];
    const warn = options.logger?.constructor?.name === "NoOpLogger" || !options.logger ? console.warn : options.logger.warn;
    if (relative && full) {
        warn("@aws-sdk/credential-provider-http: " +
            "you have set both awsContainerCredentialsRelativeUri and awsContainerCredentialsFullUri.");
        warn("awsContainerCredentialsFullUri will take precedence.");
    }
    if (token && tokenFile) {
        warn("@aws-sdk/credential-provider-http: " +
            "you have set both awsContainerAuthorizationToken and awsContainerAuthorizationTokenFile.");
        warn("awsContainerAuthorizationToken will take precedence.");
    }
    if (full) {
        host = full;
    }
    else if (relative) {
        host = `${DEFAULT_LINK_LOCAL_HOST}${relative}`;
    }
    else {
        throw new property_provider_1.CredentialsProviderError(`No HTTP credential provider host provided.
Set AWS_CONTAINER_CREDENTIALS_FULL_URI or AWS_CONTAINER_CREDENTIALS_RELATIVE_URI.`, { logger: options.logger });
    }
    const url = new URL(host);
    (0, checkUrl_1.checkUrl)(url, options.logger);
    const requestHandler = new node_http_handler_1.NodeHttpHandler({
        requestTimeout: options.timeout ?? 1000,
        connectionTimeout: options.timeout ?? 1000,
    });
    return (0, retry_wrapper_1.retryWrapper)(async () => {
        const request = (0, requestHelpers_1.createGetRequest)(url);
        if (token) {
            request.headers.Authorization = token;
        }
        else if (tokenFile) {
            request.headers.Authorization = (await promises_1.default.readFile(tokenFile)).toString();
        }
        try {
            const result = await requestHandler.handle(request);
            return (0, requestHelpers_1.getCredentials)(result.response);
        }
        catch (e) {
            throw new property_provider_1.CredentialsProviderError(String(e), { logger: options.logger });
        }
    }, options.maxRetries ?? 3, options.timeout ?? 1000);
};
exports.fromHttp = fromHttp;