File Explorer

1/**2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.3 * SPDX-License-Identifier: Apache-2.0.4 */5const fs = require("fs");6const crypto = require('crypto');7const process = require("process");8const path = require("path");9 10const nativeSourceDir = "crt/";11const build_step_tar = require("./build_dependencies/build_step_tar");12const build_step_cmake = require("./build_dependencies/build_step_cmake");13 14function rmRecursive(rmPath) {15    let rmBasePath = path.basename(rmPath);16    if (rmBasePath == "." || rmBasePath == "..") {17        throw new Error("\".\" and \"..\" may not be removed");18    }19    var files = [];20    if (fs.existsSync(rmPath)) {21        if (fs.lstatSync(rmPath).isDirectory()) {22            files = fs.readdirSync(rmPath);23            files.forEach(function (file,) {24                var curPath = rmPath + "/" + file;25                if (fs.lstatSync(curPath).isDirectory()) {26                    rmRecursive(curPath);27                } else {28                    fs.unlinkSync(curPath);29                }30            });31            fs.rmdirSync(rmPath);32        }33        else {34            fs.unlinkSync(rmPath);35        }36    }37};38 39async function buildFromRemoteSource(tmpPath) {40    if (fs.existsSync(nativeSourceDir)) {41        //teardown the local source code42        rmRecursive(nativeSourceDir);43    }44    fs.mkdirSync(tmpPath);45    fs.mkdirSync(nativeSourceDir);46    // AWS common runtime aws-crt-nodejs cloudfront distribution.47    let host = "https://d332vdhbectycy.cloudfront.net";48    if (process.env.AWS_CRT_BINARY_HOST) {49        // Use the host specified by user50        host = process.env.AWS_CRT_BINARY_HOST;51    }52    let rawData = fs.readFileSync('package.json');53    const version = JSON.parse(rawData)["version"];54    // Get the file using tar, loaded as an install-time dependency (see scripts/build_dependencies)55    try {56        await build_step_tar.performStep(host, version, tmpPath, nativeSourceDir);57    } catch (error) {58        console.log("tar perform step failed with" + error);59        throw error;60    } finally {61        rmRecursive(tmpPath);62    }63    // Clean up temp directory64    // Kick off local build using cmake-js loaded as an install-time dependency (see scripts/build_dependencies)65    try {66        await build_step_cmake.performStep();67    } catch (error) {68        console.log("tar perform step failed with" + error);69        throw error;70    } finally {71        // Local build finished successfully, we don't need source anymore.72        rmRecursive(nativeSourceDir);73    }74}75 76function checkDoDownload() {77    if (!fs.existsSync(".git/") || process.argv.includes('--source_download')) {78        return true;79    }80    return false;81}82 83(async function main() {84    // Makes sure the work directory is what we need85    const workDir = path.join(__dirname, "../")86    process.chdir(workDir);87 88    if (checkDoDownload()) {89        const tmpPath = path.join(__dirname, `temp${crypto.randomBytes(16).toString("hex")}/`);90        try {91            buildFromRemoteSource(tmpPath);92        }93        catch (err) {94            // teardown tmpPath and source directory on failure95            rmRecursive(tmpPath);96            rmRecursive(nativeSourceDir);97            console.log("build from remote source failed with" + err);98            throw err;99        }100    } else {101        // kick off local build102        await build_step_cmake.performStep();103    }104})().catch((reason) => {105    console.error(reason)106    process.exitCode = 1107})108