documentit/node_modules/electron-download/build/index.js
2018-01-05 10:48:13 -08:00

353 lines
11 KiB
JavaScript

'use strict';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var debug = require('debug')('electron-download');
var fs = require('fs-extra');
var homePath = require('home-path');
var rc = require('rc');
var nugget = require('nugget');
var os = require('os');
var path = require('path');
var pathExists = require('path-exists');
var semver = require('semver');
var sumchecker = require('sumchecker');
var ElectronDownloader = function () {
function ElectronDownloader(opts) {
_classCallCheck(this, ElectronDownloader);
this.opts = opts;
this.npmrc = {};
try {
rc('npm', this.npmrc);
} catch (error) {
console.error('Error reading npm configuration: ' + error.message);
}
}
_createClass(ElectronDownloader, [{
key: 'checkForCachedChecksum',
value: function checkForCachedChecksum(cb) {
var _this = this;
pathExists(this.cachedChecksum).then(function (exists) {
if (exists && !_this.force) {
_this.verifyChecksum(cb);
} else if (_this.tmpdir) {
_this.downloadChecksum(cb);
} else {
_this.createTempDir(cb, function (callback) {
_this.downloadChecksum(callback);
});
}
});
}
}, {
key: 'checkForCachedZip',
value: function checkForCachedZip(cb) {
var _this2 = this;
pathExists(this.cachedZip).then(function (exists) {
if (exists && !_this2.force) {
debug('zip exists', _this2.cachedZip);
_this2.checkIfZipNeedsVerifying(cb);
} else {
_this2.ensureCacheDir(cb);
}
});
}
}, {
key: 'checkIfZipNeedsVerifying',
value: function checkIfZipNeedsVerifying(cb) {
if (this.verifyChecksumNeeded) {
debug('Verifying zip with checksum');
return this.checkForCachedChecksum(cb);
}
return cb(null, this.cachedZip);
}
}, {
key: 'createCacheDir',
value: function createCacheDir(cb) {
var _this3 = this;
fs.mkdirs(this.cache, function (err) {
if (err) {
var _ret = function () {
if (err.code !== 'EACCES') return {
v: cb(err)
};
// try local folder if homedir is off limits (e.g. some linuxes return '/' as homedir)
var localCache = path.resolve('./.electron');
return {
v: fs.mkdirs(localCache, function (err) {
if (err) return cb(err);
cb(null, localCache);
})
};
}();
if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
}
cb(null, _this3.cache);
});
}
}, {
key: 'createTempDir',
value: function createTempDir(cb, onSuccess) {
this.tmpdir = path.join(os.tmpdir(), 'electron-tmp-download-' + process.pid + '-' + Date.now());
fs.mkdirs(this.tmpdir, function (err) {
if (err) return cb(err);
onSuccess(cb);
});
}
}, {
key: 'downloadChecksum',
value: function downloadChecksum(cb) {
this.downloadFile(this.checksumUrl, this.checksumFilename, this.cachedChecksum, cb, this.verifyChecksum.bind(this));
}
}, {
key: 'downloadFile',
value: function downloadFile(url, filename, cacheFilename, cb, onSuccess) {
var _this4 = this;
debug('downloading', url, 'to', this.tmpdir);
var nuggetOpts = {
target: filename,
dir: this.tmpdir,
resume: true,
quiet: this.quiet,
strictSSL: this.strictSSL,
proxy: this.proxy
};
nugget(url, nuggetOpts, function (errors) {
if (errors) {
// nugget returns an array of errors but we only need 1st because we only have 1 url
return _this4.handleDownloadError(cb, errors[0]);
}
_this4.moveFileToCache(filename, cacheFilename, cb, onSuccess);
});
}
}, {
key: 'downloadIfNotCached',
value: function downloadIfNotCached(cb) {
if (!this.version) return cb(new Error('must specify version'));
debug('info', { cache: this.cache, filename: this.filename, url: this.url });
this.checkForCachedZip(cb);
}
}, {
key: 'downloadZip',
value: function downloadZip(cb) {
this.downloadFile(this.url, this.filename, this.cachedZip, cb, this.checkIfZipNeedsVerifying.bind(this));
}
}, {
key: 'ensureCacheDir',
value: function ensureCacheDir(cb) {
var _this5 = this;
debug('creating cache/tmp dirs');
this.createCacheDir(function (err, actualCache) {
if (err) return cb(err);
_this5.opts.cache = actualCache; // in case cache dir changed
_this5.createTempDir(cb, _this5.downloadZip.bind(_this5));
});
}
}, {
key: 'handleDownloadError',
value: function handleDownloadError(cb, error) {
if (error.message.indexOf('404') === -1) return cb(error);
if (this.symbols) {
error.message = 'Failed to find Electron symbols v' + this.version + ' for ' + this.platform + '-' + this.arch + ' at ' + this.url;
} else {
error.message = 'Failed to find Electron v' + this.version + ' for ' + this.platform + '-' + this.arch + ' at ' + this.url;
}
return cb(error);
}
}, {
key: 'moveFileToCache',
value: function moveFileToCache(filename, target, cb, onSuccess) {
var _this6 = this;
debug('moving', filename, 'from', this.tmpdir, 'to', target);
fs.unlink(target, function (err) {
if (err != null && err.code !== 'ENOENT') return cb(err);
fs.move(path.join(_this6.tmpdir, filename), target, function (err) {
if (err) return cb(err);
onSuccess(cb);
});
});
}
}, {
key: 'verifyChecksum',
value: function verifyChecksum(cb) {
var _this7 = this;
var options = {};
if (semver.lt(this.version, '1.3.5')) {
options.defaultTextEncoding = 'binary';
}
var checker = new sumchecker.ChecksumValidator('sha256', this.cachedChecksum, options);
checker.validate(this.cache, this.filename).then(function () {
cb(null, _this7.cachedZip);
}, function (err) {
fs.unlink(_this7.cachedZip, function (fsErr) {
if (fsErr) return cb(fsErr);
cb(err);
});
});
}
}, {
key: 'baseUrl',
get: function get() {
return process.env.NPM_CONFIG_ELECTRON_MIRROR || process.env.npm_config_electron_mirror || process.env.ELECTRON_MIRROR || this.opts.mirror || 'https://github.com/electron/electron/releases/download/v';
}
}, {
key: 'middleUrl',
get: function get() {
return process.env.ELECTRON_CUSTOM_DIR || this.opts.customDir || this.version;
}
}, {
key: 'urlSuffix',
get: function get() {
return process.env.ELECTRON_CUSTOM_FILENAME || this.opts.customFilename || this.filename;
}
}, {
key: 'arch',
get: function get() {
return this.opts.arch || os.arch();
}
}, {
key: 'cache',
get: function get() {
return this.opts.cache || path.join(homePath(), './.electron');
}
}, {
key: 'cachedChecksum',
get: function get() {
return path.join(this.cache, this.checksumFilename + '-' + this.version);
}
}, {
key: 'cachedZip',
get: function get() {
return path.join(this.cache, this.filename);
}
}, {
key: 'checksumFilename',
get: function get() {
return 'SHASUMS256.txt';
}
}, {
key: 'checksumUrl',
get: function get() {
return '' + this.baseUrl + this.middleUrl + '/' + this.checksumFilename;
}
}, {
key: 'filename',
get: function get() {
var type = this.platform + '-' + this.arch;
var suffix = 'v' + this.version + '-' + type;
if (this.chromedriver) {
return 'chromedriver-v2.21-' + type + '.zip';
} else if (this.mksnapshot) {
return 'mksnapshot-' + suffix + '.zip';
} else if (this.ffmpeg) {
return 'ffmpeg-' + suffix + '.zip';
} else if (this.symbols) {
return 'electron-' + suffix + '-symbols.zip';
} else if (this.dsym) {
return 'electron-' + suffix + '-dsym.zip';
} else {
return 'electron-' + suffix + '.zip';
}
}
}, {
key: 'platform',
get: function get() {
return this.opts.platform || os.platform();
}
}, {
key: 'proxy',
get: function get() {
var proxy = void 0;
if (this.npmrc && this.npmrc.proxy) proxy = this.npmrc.proxy;
if (this.npmrc && this.npmrc['https-proxy']) proxy = this.npmrc['https-proxy'];
return proxy;
}
}, {
key: 'quiet',
get: function get() {
return this.opts.quiet || process.stdout.rows < 1;
}
}, {
key: 'strictSSL',
get: function get() {
var strictSSL = true;
if (this.opts.strictSSL === false || this.npmrc['strict-ssl'] === false) {
strictSSL = false;
}
return strictSSL;
}
}, {
key: 'force',
get: function get() {
return this.opts.force || false;
}
}, {
key: 'symbols',
get: function get() {
return this.opts.symbols || false;
}
}, {
key: 'dsym',
get: function get() {
return this.opts.dsym || false;
}
}, {
key: 'chromedriver',
get: function get() {
return this.opts.chromedriver || false;
}
}, {
key: 'mksnapshot',
get: function get() {
return this.opts.mksnapshot || false;
}
}, {
key: 'ffmpeg',
get: function get() {
return this.opts.ffmpeg || false;
}
}, {
key: 'url',
get: function get() {
return '' + this.baseUrl + this.middleUrl + '/' + this.urlSuffix;
}
}, {
key: 'verifyChecksumNeeded',
get: function get() {
return semver.gte(this.version, '1.3.2');
}
}, {
key: 'version',
get: function get() {
return this.opts.version;
}
}]);
return ElectronDownloader;
}();
module.exports = function download(opts, cb) {
var downloader = new ElectronDownloader(opts);
downloader.downloadIfNotCached(cb);
};