util.js

"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs = __importStar(require("fs"));
const os = __importStar(require("os"));
const path = __importStar(require("path"));
/**
 * The URL for github.com.
 */
exports.GITHUB_DOTCOM_URL = "https://github.com";
/**
 * Get the extra options for the codeql commands.
 */
function getExtraOptionsEnvParam() {
    const varName = "CODEQL_ACTION_EXTRA_OPTIONS";
    const raw = process.env[varName];
    if (raw === undefined || raw.length === 0) {
        return {};
    }
    try {
        return JSON.parse(raw);
    }
    catch (e) {
        throw new Error(`${varName} environment variable is set, but does not contain valid JSON: ${e.message}`);
    }
}
exports.getExtraOptionsEnvParam = getExtraOptionsEnvParam;
function isLocalRun() {
    return (!!process.env.CODEQL_LOCAL_RUN &&
        process.env.CODEQL_LOCAL_RUN !== "false" &&
        process.env.CODEQL_LOCAL_RUN !== "0");
}
exports.isLocalRun = isLocalRun;
/**
 * Get the array of all the tool names contained in the given sarif contents.
 *
 * Returns an array of unique string tool names.
 */
function getToolNames(sarifContents) {
    const sarif = JSON.parse(sarifContents);
    const toolNames = {};
    for (const run of sarif.runs || []) {
        const tool = run.tool || {};
        const driver = tool.driver || {};
        if (typeof driver.name === "string" && driver.name.length > 0) {
            toolNames[driver.name] = true;
        }
    }
    return Object.keys(toolNames);
}
exports.getToolNames = getToolNames;
// Creates a random temporary directory, runs the given body, and then deletes the directory.
// Mostly intended for use within tests.
async function withTmpDir(body) {
    const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "codeql-action-"));
    const realSubdir = path.join(tmpDir, "real");
    fs.mkdirSync(realSubdir);
    const symlinkSubdir = path.join(tmpDir, "symlink");
    fs.symlinkSync(realSubdir, symlinkSubdir, "dir");
    const result = await body(symlinkSubdir);
    fs.rmdirSync(tmpDir, { recursive: true });
    return result;
}
exports.withTmpDir = withTmpDir;
/**
 * Get the codeql `--ram` flag as configured by the `ram` input. If no value was
 * specified, the total available memory will be used minus 256 MB.
 *
 * @returns string
 */
function getMemoryFlag(userInput) {
    let memoryToUseMegaBytes;
    if (userInput) {
        memoryToUseMegaBytes = Number(userInput);
        if (Number.isNaN(memoryToUseMegaBytes) || memoryToUseMegaBytes <= 0) {
            throw new Error(`Invalid RAM setting "${userInput}", specified.`);
        }
    }
    else {
        const totalMemoryBytes = os.totalmem();
        const totalMemoryMegaBytes = totalMemoryBytes / (1024 * 1024);
        const systemReservedMemoryMegaBytes = 256;
        memoryToUseMegaBytes = totalMemoryMegaBytes - systemReservedMemoryMegaBytes;
    }
    return `--ram=${Math.floor(memoryToUseMegaBytes)}`;
}
exports.getMemoryFlag = getMemoryFlag;
/**
 * Get the codeql flag to specify whether to add code snippets to the sarif file.
 *
 * @returns string
 */
function getAddSnippetsFlag(userInput) {
    if (typeof userInput === "string") {
        // have to process specifically because any non-empty string is truthy
        userInput = userInput.toLowerCase() === "true";
    }
    return userInput ? "--sarif-add-snippets" : "--no-sarif-add-snippets";
}
exports.getAddSnippetsFlag = getAddSnippetsFlag;
/**
 * Get the codeql `--threads` value specified for the `threads` input.
 * If not value was specified, all available threads will be used.
 *
 * The value will be capped to the number of available CPUs.
 *
 * @returns string
 */
function getThreadsFlag(userInput, logger) {
    let numThreads;
    const maxThreads = os.cpus().length;
    if (userInput) {
        numThreads = Number(userInput);
        if (Number.isNaN(numThreads)) {
            throw new Error(`Invalid threads setting "${userInput}", specified.`);
        }
        if (numThreads > maxThreads) {
            logger.info(`Clamping desired number of threads (${numThreads}) to max available (${maxThreads}).`);
            numThreads = maxThreads;
        }
        const minThreads = -maxThreads;
        if (numThreads < minThreads) {
            logger.info(`Clamping desired number of free threads (${numThreads}) to max available (${minThreads}).`);
            numThreads = minThreads;
        }
    }
    else {
        // Default to using all threads
        numThreads = maxThreads;
    }
    return `--threads=${numThreads}`;
}
exports.getThreadsFlag = getThreadsFlag;
/**
 * Get the directory where CodeQL databases should be placed.
 */
function getCodeQLDatabasesDir(tempDir) {
    return path.resolve(tempDir, "codeql_databases");
}
exports.getCodeQLDatabasesDir = getCodeQLDatabasesDir;
/**
 * Get the path where the CodeQL database for the given language lives.
 */
function getCodeQLDatabasePath(tempDir, language) {
    return path.resolve(getCodeQLDatabasesDir(tempDir), language);
}
exports.getCodeQLDatabasePath = getCodeQLDatabasePath;
/**
 * Parses user input of a github.com or GHES URL to a canonical form.
 * Removes any API prefix or suffix if one is present.
 */
function parseGithubUrl(inputUrl) {
    const originalUrl = inputUrl;
    if (inputUrl.indexOf("://") === -1) {
        inputUrl = `https://${inputUrl}`;
    }
    if (!inputUrl.startsWith("http://") && !inputUrl.startsWith("https://")) {
        throw new Error(`"${originalUrl}" is not a http or https URL`);
    }
    let url;
    try {
        url = new URL(inputUrl);
    }
    catch (e) {
        throw new Error(`"${originalUrl}" is not a valid URL`);
    }
    // If we detect this is trying to be to github.com
    // then return with a fixed canonical URL.
    if (url.hostname === "github.com" || url.hostname === "api.github.com") {
        return exports.GITHUB_DOTCOM_URL;
    }
    // Remove the API prefix if it's present
    if (url.pathname.indexOf("/api/v3") !== -1) {
        url.pathname = url.pathname.substring(0, url.pathname.indexOf("/api/v3"));
    }
    // Also consider subdomain isolation on GHES
    if (url.hostname.startsWith("api.")) {
        url.hostname = url.hostname.substring(4);
    }
    // Normalise path to having a trailing slash for consistency
    if (!url.pathname.endsWith("/")) {
        url.pathname = `${url.pathname}/`;
    }
    return url.toString();
}
exports.parseGithubUrl = parseGithubUrl;
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