start-proxy-action.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const path = __importStar(require("path"));
const core = __importStar(require("@actions/core"));
const toolcache = __importStar(require("@actions/tool-cache"));
const node_forge_1 = require("node-forge");
const actionsUtil = __importStar(require("./actions-util"));
const languages_1 = require("./languages");
const logging_1 = require("./logging");
const util = __importStar(require("./util"));
const UPDATEJOB_PROXY = "update-job-proxy";
const UPDATEJOB_PROXY_VERSION = "v2.0.20241023203727";
const UPDATEJOB_PROXY_URL_PREFIX = "https://github.com/github/codeql-action/releases/download/codeql-bundle-v2.18.1/";
const PROXY_USER = "proxy_user";
const KEY_SIZE = 2048;
const KEY_EXPIRY_YEARS = 2;
const LANGUAGE_TO_REGISTRY_TYPE = {
    java: "maven_repository",
    csharp: "nuget_feed",
    javascript: "npm_registry",
    python: "python_index",
    ruby: "rubygems_server",
    rust: "cargo_registry",
    // We do not have an established proxy type for these languages, thus leaving empty.
    actions: "",
    cpp: "",
    go: "",
    swift: "",
};
const CERT_SUBJECT = [
    {
        name: "commonName",
        value: "Dependabot Internal CA",
    },
    {
        name: "organizationName",
        value: "GitHub inc.",
    },
    {
        shortName: "OU",
        value: "Dependabot",
    },
    {
        name: "countryName",
        value: "US",
    },
    {
        shortName: "ST",
        value: "California",
    },
    {
        name: "localityName",
        value: "San Francisco",
    },
];
function generateCertificateAuthority() {
    const keys = node_forge_1.pki.rsa.generateKeyPair(KEY_SIZE);
    const cert = node_forge_1.pki.createCertificate();
    cert.publicKey = keys.publicKey;
    cert.serialNumber = "01";
    cert.validity.notBefore = new Date();
    cert.validity.notAfter = new Date();
    cert.validity.notAfter.setFullYear(cert.validity.notBefore.getFullYear() + KEY_EXPIRY_YEARS);
    cert.setSubject(CERT_SUBJECT);
    cert.setIssuer(CERT_SUBJECT);
    cert.setExtensions([{ name: "basicConstraints", cA: true }]);
    cert.sign(keys.privateKey);
    const pem = node_forge_1.pki.certificateToPem(cert);
    const key = node_forge_1.pki.privateKeyToPem(keys.privateKey);
    return { cert: pem, key };
}
async function runWrapper() {
    // Make inputs accessible in the `post` step.
    actionsUtil.persistInputs();
    const logger = (0, logging_1.getActionsLogger)();
    // Setup logging for the proxy
    const tempDir = actionsUtil.getTemporaryDirectory();
    const proxyLogFilePath = path.resolve(tempDir, "proxy.log");
    core.saveState("proxy-log-file", proxyLogFilePath);
    // Get the configuration options
    const credentials = getCredentials(logger);
    logger.info(`Credentials loaded for the following registries:\n ${credentials
        .map((c) => credentialToStr(c))
        .join("\n")}`);
    const ca = generateCertificateAuthority();
    const proxyAuth = getProxyAuth();
    const proxyConfig = {
        all_credentials: credentials,
        ca,
        proxy_auth: proxyAuth,
    };
    // Start the Proxy
    const proxyBin = await getProxyBinaryPath();
    await startProxy(proxyBin, proxyConfig, proxyLogFilePath, logger);
}
async function startProxy(binPath, config, logFilePath, logger) {
    const host = "127.0.0.1";
    let port = 49152;
    try {
        let subprocess = undefined;
        let tries = 5;
        let subprocessError = undefined;
        while (tries-- > 0 && !subprocess && !subprocessError) {
            subprocess = (0, child_process_1.spawn)(binPath, ["-addr", `${host}:${port}`, "-config", "-", "-logfile", logFilePath], {
                detached: true,
                stdio: ["pipe", "ignore", "ignore"],
            });
            subprocess.unref();
            if (subprocess.pid) {
                core.saveState("proxy-process-pid", `${subprocess.pid}`);
            }
            subprocess.on("error", (error) => {
                subprocessError = error;
            });
            subprocess.on("exit", (code) => {
                if (code !== 0) {
                    // If the proxy failed to start, try a different port from the ephemeral range [49152, 65535]
                    port = Math.floor(Math.random() * (65535 - 49152) + 49152);
                    subprocess = undefined;
                }
            });
            subprocess.stdin?.write(JSON.stringify(config));
            subprocess.stdin?.end();
            // Wait a little to allow the proxy to start
            await util.delay(1000);
        }
        if (subprocessError) {
            // eslint-disable-next-line @typescript-eslint/only-throw-error
            throw subprocessError;
        }
        logger.info(`Proxy started on ${host}:${port}`);
        core.setOutput("proxy_host", host);
        core.setOutput("proxy_port", port.toString());
        core.setOutput("proxy_ca_certificate", config.ca.cert);
        const registry_urls = config.all_credentials
            .filter((credential) => credential.url !== undefined)
            .map((credential) => ({
            type: credential.type,
            url: credential.url,
        }));
        core.setOutput("proxy_urls", JSON.stringify(registry_urls));
    }
    catch (error) {
        core.setFailed(`start-proxy action failed: ${util.getErrorMessage(error)}`);
    }
}
// getCredentials returns registry credentials from action inputs.
// It prefers `registries_credentials` over `registry_secrets`.
// If neither is set, it returns an empty array.
function getCredentials(logger) {
    const registriesCredentials = actionsUtil.getOptionalInput("registries_credentials");
    const registrySecrets = actionsUtil.getOptionalInput("registry_secrets");
    const languageString = actionsUtil.getOptionalInput("language");
    const language = languageString ? (0, languages_1.parseLanguage)(languageString) : undefined;
    const registryTypeForLanguage = language
        ? LANGUAGE_TO_REGISTRY_TYPE[language]
        : undefined;
    let credentialsStr;
    if (registriesCredentials !== undefined) {
        logger.info(`Using registries_credentials input.`);
        credentialsStr = Buffer.from(registriesCredentials, "base64").toString();
    }
    else if (registrySecrets !== undefined) {
        logger.info(`Using registry_secrets input.`);
        credentialsStr = registrySecrets;
    }
    else {
        logger.info(`No credentials defined.`);
        return [];
    }
    // Parse and validate the credentials
    const parsed = JSON.parse(credentialsStr);
    const out = [];
    for (const e of parsed) {
        if (e.url === undefined && e.host === undefined) {
            throw new Error("Invalid credentials - must specify host or url");
        }
        // Filter credentials based on language if specified. `type` is the registry type.
        // E.g., "maven_feed" for Java/Kotlin, "nuget_repository" for C#.
        if (e.type !== registryTypeForLanguage) {
            continue;
        }
        out.push({
            type: e.type,
            host: e.host,
            url: e.url,
            username: e.username,
            password: e.password,
            token: e.token,
        });
    }
    return out;
}
// getProxyAuth returns the authentication information for the proxy itself.
function getProxyAuth() {
    const proxy_password = actionsUtil.getOptionalInput("proxy_password");
    if (proxy_password) {
        return {
            username: PROXY_USER,
            password: proxy_password,
        };
    }
    return;
}
async function getProxyBinaryPath() {
    const proxyFileName = process.platform === "win32" ? `${UPDATEJOB_PROXY}.exe` : UPDATEJOB_PROXY;
    const platform = process.platform === "win32"
        ? "win64"
        : process.platform === "darwin"
            ? "osx64"
            : "linux64";
    const proxyPackage = `${UPDATEJOB_PROXY}-${platform}.tar.gz`;
    const proxyURL = `${UPDATEJOB_PROXY_URL_PREFIX}${proxyPackage}`;
    let proxyBin = toolcache.find(proxyFileName, UPDATEJOB_PROXY_VERSION);
    if (!proxyBin) {
        const temp = await toolcache.downloadTool(proxyURL);
        const extracted = await toolcache.extractTar(temp);
        proxyBin = await toolcache.cacheDir(extracted, proxyFileName, UPDATEJOB_PROXY_VERSION);
    }
    proxyBin = path.join(proxyBin, proxyFileName);
    return proxyBin;
}
function credentialToStr(c) {
    return `Type: ${c.type}; Host: ${c.host}; Url: ${c.url} Username: ${c.username}; Password: ${c.password !== undefined}; Token: ${c.token !== undefined}`;
}
void runWrapper();
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