61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
var _ = require('lodash');
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var request = require('request');
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var fs = require('fs');
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var path = require('path');
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var colors = require('ansicolors');
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var crypto = require('crypto');
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var {spawn} = require('child_process');
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module.exports = function (grunt) {
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grunt.registerTask('downloadSelenium', 'Download selenium standalone', function (keepalive) {
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const done = this.async();
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const config = this.options();
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const SELENIUM_FILE_PATH = path.join(config.selenium.directory, config.selenium.filename);
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const SELENIUM_DOWNLOAD_URL = config.selenium.server + config.selenium.filename;
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function validateDownload(path, expectedHash, success) {
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grunt.log.write('Validating hash...');
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fs.readFile(path, function checkHash(err, data) {
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if (err) grunt.fail.warn(err);
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const calculatedHash = crypto.createHash('md5').update(data).digest('hex');
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if (calculatedHash !== expectedHash) return grunt.fail.warn('Selenium download has an invalid hash');
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grunt.log.writeln('done');
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success();
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});
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}
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function downloadSelenium(success) {
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grunt.log.write(`Downloading ${SELENIUM_DOWNLOAD_URL}...`);
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request.get(SELENIUM_DOWNLOAD_URL)
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.pipe(fs.createWriteStream(SELENIUM_FILE_PATH))
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.on('error', function downloadError(err) {
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grunt.fail.warn(err);
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})
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.on('finish', function downloadFinish() {
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grunt.log.writeln('done');
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validateDownload(SELENIUM_FILE_PATH, config.selenium.md5, success);
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});
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}
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function start() {
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try {
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fs.mkdirSync(config.selenium.directory);
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} catch (err) {
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if (err && err.code !== 'EEXIST') grunt.fail.warn(err);
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}
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if (fs.existsSync(SELENIUM_FILE_PATH)) {
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validateDownload(SELENIUM_FILE_PATH, config.selenium.md5, done);
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} else {
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downloadSelenium(done);
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}
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}
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start();
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});
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};
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