lbry-desktop/build/downloadDaemon.js
2019-03-18 01:10:41 -04:00

91 lines
3.3 KiB
JavaScript

const path = require('path');
const fs = require('fs');
const packageJSON = require('../package.json');
const fetch = require('node-fetch');
const decompress = require('decompress');
const os = require('os');
const del = require('del');
const downloadDaemon = targetPlatform =>
new Promise((resolve, reject) => {
const daemonURLTemplate = packageJSON.lbrySettings.lbrynetDaemonUrlTemplate;
const daemonVersion = packageJSON.lbrySettings.lbrynetDaemonVersion;
const daemonDir = path.join(__dirname, '..', packageJSON.lbrySettings.lbrynetDaemonDir);
let daemonFileName = packageJSON.lbrySettings.lbrynetDaemonFileName;
const currentPlatform = os.platform();
let daemonPlatform = process.env.TARGET || targetPlatform || currentPlatform;
if (daemonPlatform === 'mac' || daemonPlatform === 'darwin') daemonPlatform = 'mac';
if (daemonPlatform === 'win32' || daemonPlatform === 'windows') {
daemonPlatform = 'windows';
daemonFileName += '.exe';
}
const daemonFilePath = path.join(daemonDir, daemonFileName);
const daemonVersionPath = path.join(__dirname, 'daemon.ver');
const tmpZipPath = path.join(__dirname, '..', 'dist', 'daemon.zip');
const daemonURL = daemonURLTemplate
.replace(/DAEMONVER/g, daemonVersion)
.replace(/OSNAME/g, daemonPlatform);
// If a daemon and daemon.ver exists, check to see if it matches the current daemon version
const hasDaemonDownloaded = fs.existsSync(daemonFilePath);
const hasDaemonVersion = fs.existsSync(daemonVersionPath);
let downloadedDaemonVersion;
if (hasDaemonVersion) {
downloadedDaemonVersion = fs.readFileSync(daemonVersionPath, 'utf8');
}
if (hasDaemonDownloaded && hasDaemonVersion && downloadedDaemonVersion === daemonVersion) {
console.log('\x1b[34minfo\x1b[0m Daemon already downloaded');
resolve('Done');
} else {
console.log('\x1b[34minfo\x1b[0m Downloading daemon...');
fetch(daemonURL, {
method: 'GET',
headers: {
'Content-Type': 'application/zip',
},
})
.then(response => response.buffer())
.then(
result =>
new Promise((newResolve, newReject) => {
const distPath = path.join(__dirname, '..', 'dist');
const hasDistFolder = fs.existsSync(distPath);
if (!hasDistFolder) {
fs.mkdirSync(distPath);
}
fs.writeFile(tmpZipPath, result, error => {
if (error) return newReject(error);
return newResolve();
});
})
)
.then(() => del(`${daemonFilePath}*`))
.then(() =>
decompress(tmpZipPath, daemonDir, {
filter: file => path.basename(file.path) === daemonFileName,
})
)
.then(() => {
console.log('\x1b[32msuccess\x1b[0m Daemon downloaded!');
if (hasDaemonVersion) {
del(daemonVersionPath);
}
fs.writeFileSync(daemonVersionPath, daemonVersion, 'utf8');
resolve('Done');
})
.catch(error => {
console.error(
`\x1b[31merror\x1b[0m Daemon download failed due to: \x1b[35m${error}\x1b[0m`
);
reject(error);
});
}
});
downloadDaemon();