Files
YoutubeDL-Material/backend/app.js
Tzahi12345 4e6d68d9e6 Updated video playing/sharing logic to support sharing of playlists in multi user mode and when multi user mode is disabled
Fixed bug that caused normal archive to be used in multi-user mode

Updated login logic when username is not found or user file is missing

Fixed bug that prevented playlist sharing from working

Added ability to use timestamps when sharing videos
2020-05-02 20:36:30 -04:00

2875 lines
95 KiB
JavaScript

var async = require('async');
const { uuid } = require('uuidv4');
var fs = require('fs-extra');
var auth_api = require('./authentication/auth');
var winston = require('winston');
var path = require('path');
var youtubedl = require('youtube-dl');
var compression = require('compression');
var https = require('https');
var express = require("express");
var bodyParser = require("body-parser");
var archiver = require('archiver');
var unzipper = require('unzipper');
var mergeFiles = require('merge-files');
const low = require('lowdb')
var ProgressBar = require('progress');
var md5 = require('md5');
const NodeID3 = require('node-id3')
const downloader = require('youtube-dl/lib/downloader')
const fetch = require('node-fetch');
var URL = require('url').URL;
const shortid = require('shortid')
const url_api = require('url');
var config_api = require('./config.js');
var subscriptions_api = require('./subscriptions')
const CONSTS = require('./consts')
const { spawn } = require('child_process')
const is_windows = process.platform === 'win32';
var app = express();
// database setup
const FileSync = require('lowdb/adapters/FileSync')
const adapter = new FileSync('./appdata/db.json');
const db = low(adapter)
const users_adapter = new FileSync('./appdata/users.json');
const users_db = low(users_adapter);
// check if debug mode
let debugMode = process.env.YTDL_MODE === 'debug';
const admin_token = '4241b401-7236-493e-92b5-b72696b9d853';
// logging setup
// console format
const defaultFormat = winston.format.printf(({ level, message, label, timestamp }) => {
return `${timestamp} ${level.toUpperCase()}: ${message}`;
});
const logger = winston.createLogger({
level: 'info',
format: winston.format.combine(winston.format.timestamp(), defaultFormat),
defaultMeta: {},
transports: [
//
// - Write to all logs with level `info` and below to `combined.log`
// - Write all logs error (and below) to `error.log`.
//
new winston.transports.File({ filename: 'appdata/logs/error.log', level: 'error' }),
new winston.transports.File({ filename: 'appdata/logs/combined.log' }),
new winston.transports.Console({level: !debugMode ? 'info' : 'debug', name: 'console'})
]
});
config_api.setLogger(logger);
subscriptions_api.initialize(db, users_db, logger);
auth_api.initialize(users_db, logger);
// var GithubContent = require('github-content');
// Set some defaults
db.defaults(
{
playlists: {
audio: [],
video: []
},
files: {
audio: [],
video: []
},
configWriteFlag: false,
downloads: {},
subscriptions: [],
pin_md5: '',
files_to_db_migration_complete: false
}).write();
users_db.defaults(
{
users: [],
roles: {
"admin": {
"permissions": [
'filemanager',
'settings',
'subscriptions',
'sharing',
'advanced_download',
'downloads_manager'
]
}, "user": {
"permissions": [
'filemanager',
'subscriptions',
'sharing'
]
}
}
}
).write();
// config values
var frontendUrl = null;
var backendUrl = null;
var backendPort = null;
var usingEncryption = null;
var basePath = null;
var audioFolderPath = null;
var videoFolderPath = null;
var downloadOnlyMode = null;
var useDefaultDownloadingAgent = null;
var customDownloadingAgent = null;
var allowSubscriptions = null;
var subscriptionsCheckInterval = null;
var archivePath = path.join(__dirname, 'appdata', 'archives');
// other needed values
var options = null; // encryption options
var url_domain = null;
var updaterStatus = null;
var timestamp_server_start = Date.now();
if (debugMode) logger.info('YTDL-Material in debug mode!');
// check if just updated
const just_restarted = fs.existsSync('restart.json');
if (just_restarted) {
updaterStatus = {
updating: false,
details: 'Update complete! You are now on ' + CONSTS['CURRENT_VERSION']
}
fs.unlinkSync('restart.json');
}
// updates & starts youtubedl
startYoutubeDL();
var validDownloadingAgents = [
'aria2c',
'avconv',
'axel',
'curl',
'ffmpeg',
'httpie',
'wget'
]
// don't overwrite config if it already happened.. NOT
// let alreadyWritten = db.get('configWriteFlag').value();
let writeConfigMode = process.env.write_ytdl_config;
var config = null;
// checks if config exists, if not, a config is auto generated
config_api.configExistsCheck();
if (writeConfigMode) {
setAndLoadConfig();
} else {
loadConfig();
}
var downloads = {};
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
// use passport
app.use(auth_api.passport.initialize());
// objects
function File(id, title, thumbnailURL, isAudio, duration, url, uploader, size, path, upload_date) {
this.id = id;
this.title = title;
this.thumbnailURL = thumbnailURL;
this.isAudio = isAudio;
this.duration = duration;
this.url = url;
this.uploader = uploader;
this.size = size;
this.path = path;
this.upload_date = upload_date;
}
// actual functions
async function checkMigrations() {
return new Promise(async resolve => {
// 3.5->3.6 migration
const files_to_db_migration_complete = db.get('files_to_db_migration_complete').value();
if (!files_to_db_migration_complete) {
logger.info('Beginning migration: 3.5->3.6+')
runFilesToDBMigration().then(success => {
if (success) { logger.info('3.5->3.6+ migration complete!'); }
else { logger.error('Migration failed: 3.5->3.6+'); }
});
}
resolve(true);
});
}
async function runFilesToDBMigration() {
return new Promise(async resolve => {
try {
let mp3s = getMp3s();
let mp4s = getMp4s();
for (let i = 0; i < mp3s.length; i++) {
let file_obj = mp3s[i];
const file_already_in_db = db.get('files.audio').find({id: file_obj.id}).value();
if (!file_already_in_db) {
logger.verbose(`Migrating file ${file_obj.id}`);
registerFileDB(file_obj.id + '.mp3', 'audio');
}
}
for (let i = 0; i < mp4s.length; i++) {
let file_obj = mp4s[i];
const file_already_in_db = db.get('files.video').find({id: file_obj.id}).value();
if (!file_already_in_db) {
logger.verbose(`Migrating file ${file_obj.id}`);
registerFileDB(file_obj.id + '.mp4', 'video');
}
}
// sets migration to complete
db.set('files_to_db_migration_complete', true).write();
resolve(true);
} catch(err) {
logger.error(err);
resolve(false);
}
});
}
async function startServer() {
if (process.env.USING_HEROKU && process.env.PORT) {
// default to heroku port if using heroku
backendPort = process.env.PORT || backendPort;
// set config to port
await setPortItemFromENV();
}
if (usingEncryption)
{
https.createServer(options, app).listen(backendPort, function() {
logger.info(`YoutubeDL-Material ${CONSTS['CURRENT_VERSION']} started on port ${backendPort} - using SSL`);
});
}
else
{
app.listen(backendPort,function(){
logger.info(`YoutubeDL-Material ${CONSTS['CURRENT_VERSION']} started on PORT ${backendPort}`);
});
}
}
async function restartServer() {
const restartProcess = () => {
spawn('node', ['app.js'], {
detached: true,
stdio: 'inherit'
}).unref()
process.exit()
}
logger.info('Update complete! Restarting server...');
// the following line restarts the server through nodemon
fs.writeFileSync('restart.json', 'internal use only');
}
async function updateServer(tag) {
// no tag provided means update to the latest version
if (!tag) {
const new_version_available = await isNewVersionAvailable();
if (!new_version_available) {
logger.error('ERROR: Failed to update - no update is available.');
return false;
}
}
return new Promise(async resolve => {
// backup current dir
updaterStatus = {
updating: true,
'details': 'Backing up key server files...'
}
let backup_succeeded = await backupServerLite();
if (!backup_succeeded) {
resolve(false);
return false;
}
updaterStatus = {
updating: true,
'details': 'Downloading requested release...'
}
// grab new package.json and public folder
await downloadReleaseFiles(tag);
updaterStatus = {
updating: true,
'details': 'Installing new dependencies...'
}
// run npm install
await installDependencies();
updaterStatus = {
updating: true,
'details': 'Update complete! Restarting server...'
}
restartServer();
}, err => {
updaterStatus = {
updating: false,
error: true,
'details': 'Update failed. Check error logs for more info.'
}
});
}
async function downloadReleaseFiles(tag) {
tag = tag ? tag : await getLatestVersion();
return new Promise(async resolve => {
logger.info('Downloading new files...')
// downloads the latest release zip file
await downloadReleaseZip(tag);
// deletes contents of public dir
fs.removeSync(path.join(__dirname, 'public'));
fs.mkdirSync(path.join(__dirname, 'public'));
let replace_ignore_list = ['youtubedl-material/appdata/default.json',
'youtubedl-material/appdata/db.json',
'youtubedl-material/appdata/users.json',
'youtubedl-material/appdata/*']
logger.info(`Installing update ${tag}...`)
// downloads new package.json and adds new public dir files from the downloaded zip
fs.createReadStream(path.join(__dirname, `youtubedl-material-release-${tag}.zip`)).pipe(unzipper.Parse())
.on('entry', function (entry) {
var fileName = entry.path;
var type = entry.type; // 'Directory' or 'File'
var size = entry.size;
var is_dir = fileName.substring(fileName.length-1, fileName.length) === '/'
if (!is_dir && fileName.includes('youtubedl-material/public/')) {
// get public folder files
var actualFileName = fileName.replace('youtubedl-material/public/', '');
if (actualFileName.length !== 0 && actualFileName.substring(actualFileName.length-1, actualFileName.length) !== '/') {
fs.ensureDirSync(path.join(__dirname, 'public', path.dirname(actualFileName)));
entry.pipe(fs.createWriteStream(path.join(__dirname, 'public', actualFileName)));
} else {
entry.autodrain();
}
} else if (!is_dir && !replace_ignore_list.includes(fileName)) {
// get package.json
var actualFileName = fileName.replace('youtubedl-material/', '');
logger.verbose('Downloading file ' + actualFileName);
entry.pipe(fs.createWriteStream(path.join(__dirname, actualFileName)));
} else {
entry.autodrain();
}
})
.on('close', function () {
resolve(true);
});
});
}
// helper function to download file using fetch
async function fetchFile(url, path, file_label) {
var len = null;
const res = await fetch(url);
len = parseInt(res.headers.get("Content-Length"), 10);
var bar = new ProgressBar(` Downloading ${file_label} [:bar] :percent :etas`, {
complete: '=',
incomplete: ' ',
width: 20,
total: len
});
const fileStream = fs.createWriteStream(path);
await new Promise((resolve, reject) => {
res.body.pipe(fileStream);
res.body.on("error", (err) => {
reject(err);
});
res.body.on('data', function (chunk) {
bar.tick(chunk.length);
});
fileStream.on("finish", function() {
resolve();
});
});
}
async function downloadReleaseZip(tag) {
return new Promise(async resolve => {
// get name of zip file, which depends on the version
const latest_release_link = `https://github.com/Tzahi12345/YoutubeDL-Material/releases/download/${tag}/`;
const tag_without_v = tag.substring(1, tag.length);
const zip_file_name = `youtubedl-material-${tag_without_v}.zip`
const latest_zip_link = latest_release_link + zip_file_name;
let output_path = path.join(__dirname, `youtubedl-material-release-${tag}.zip`);
// download zip from release
await fetchFile(latest_zip_link, output_path, 'update ' + tag);
resolve(true);
});
}
async function installDependencies() {
return new Promise(resolve => {
var child_process = require('child_process');
child_process.execSync('npm install',{stdio:[0,1,2]});
resolve(true);
});
}
async function backupServerLite() {
return new Promise(async resolve => {
fs.ensureDirSync(path.join(__dirname, 'appdata', 'backups'));
let output_path = path.join('appdata', 'backups', `backup-${Date.now()}.zip`);
logger.info(`Backing up your non-video/audio files to ${output_path}. This may take up to a few seconds/minutes.`);
let output = fs.createWriteStream(path.join(__dirname, output_path));
var archive = archiver('zip', {
gzip: true,
zlib: { level: 9 } // Sets the compression level.
});
archive.on('error', function(err) {
logger.error(err);
resolve(false);
});
// pipe archive data to the output file
archive.pipe(output);
// ignore certain directories (ones with video or audio files)
const files_to_ignore = [path.join(config_api.getConfigItem('ytdl_subscriptions_base_path'), '**'),
path.join(config_api.getConfigItem('ytdl_audio_folder_path'), '**'),
path.join(config_api.getConfigItem('ytdl_video_folder_path'), '**'),
'appdata/backups/backup-*.zip'];
archive.glob('**/*', {
ignore: files_to_ignore
});
await archive.finalize();
// wait a tiny bit for the zip to reload in fs
setTimeout(function() {
resolve(true);
}, 100);
});
}
async function isNewVersionAvailable() {
return new Promise(async resolve => {
// gets tag of the latest version of youtubedl-material, compare to current version
const latest_tag = await getLatestVersion();
const current_tag = CONSTS['CURRENT_VERSION'];
if (latest_tag > current_tag) {
resolve(true);
} else {
resolve(false);
}
});
}
async function getLatestVersion() {
return new Promise(resolve => {
fetch('https://api.github.com/repos/tzahi12345/youtubedl-material/releases/latest', {method: 'Get'})
.then(async res => res.json())
.then(async (json) => {
if (json['message']) {
// means there's an error in getting latest version
logger.error(`ERROR: Received the following message from GitHub's API:`);
logger.error(json['message']);
if (json['documentation_url']) logger.error(`Associated URL: ${json['documentation_url']}`)
}
resolve(json['tag_name']);
return;
});
});
}
async function setPortItemFromENV() {
return new Promise(resolve => {
config_api.setConfigItem('ytdl_port', backendPort.toString());
setTimeout(() => resolve(true), 100);
});
}
async function setAndLoadConfig() {
await setConfigFromEnv();
await loadConfig();
}
async function setConfigFromEnv() {
return new Promise(resolve => {
let config_items = getEnvConfigItems();
let success = config_api.setConfigItems(config_items);
if (success) {
logger.info('Config items set using ENV variables.');
setTimeout(() => resolve(true), 100);
} else {
logger.error('ERROR: Failed to set config items using ENV variables.');
resolve(false);
}
});
}
async function loadConfig() {
return new Promise(async resolve => {
loadConfigValues();
// creates archive path if missing
if (!fs.existsSync(archivePath)){
fs.mkdirSync(archivePath);
}
// get subscriptions
if (allowSubscriptions) {
// runs initially, then runs every ${subscriptionCheckInterval} seconds
watchSubscriptions();
setInterval(() => {
watchSubscriptions();
}, subscriptionsCheckInterval * 1000);
}
// check migrations
await checkMigrations();
// load in previous downloads
downloads = db.get('downloads').value();
// start the server here
startServer();
resolve(true);
});
}
function loadConfigValues() {
url = !debugMode ? config_api.getConfigItem('ytdl_url') : 'http://localhost:4200';
backendPort = config_api.getConfigItem('ytdl_port');
usingEncryption = config_api.getConfigItem('ytdl_use_encryption');
audioFolderPath = config_api.getConfigItem('ytdl_audio_folder_path');
videoFolderPath = config_api.getConfigItem('ytdl_video_folder_path');
downloadOnlyMode = config_api.getConfigItem('ytdl_download_only_mode');
useDefaultDownloadingAgent = config_api.getConfigItem('ytdl_use_default_downloading_agent');
customDownloadingAgent = config_api.getConfigItem('ytdl_custom_downloading_agent');
allowSubscriptions = config_api.getConfigItem('ytdl_allow_subscriptions');
subscriptionsCheckInterval = config_api.getConfigItem('ytdl_subscriptions_check_interval');
if (!useDefaultDownloadingAgent && validDownloadingAgents.indexOf(customDownloadingAgent) !== -1 ) {
logger.info(`Using non-default downloading agent \'${customDownloadingAgent}\'`)
} else {
customDownloadingAgent = null;
}
if (usingEncryption)
{
var certFilePath = path.resolve(config_api.getConfigItem('ytdl_cert_file_path'));
var keyFilePath = path.resolve(config_api.getConfigItem('ytdl_key_file_path'));
var certKeyFile = fs.readFileSync(keyFilePath);
var certFile = fs.readFileSync(certFilePath);
options = {
key: certKeyFile,
cert: certFile
};
}
url_domain = new URL(url);
let logger_level = config_api.getConfigItem('ytdl_logger_level');
const possible_levels = ['error', 'warn', 'info', 'verbose', 'debug'];
if (!possible_levels.includes(logger_level)) {
logger.error(`${logger_level} is not a valid logger level! Choose one of the following: ${possible_levels.join(', ')}.`)
logger_level = 'info';
}
logger.level = logger_level;
winston.loggers.get('console').level = logger_level;
logger.transports[2].level = logger_level;
}
function calculateSubcriptionRetrievalDelay(amount) {
// frequency is 5 mins
let frequency_in_ms = subscriptionsCheckInterval * 1000;
let minimum_frequency = 60 * 1000;
const first_frequency = frequency_in_ms/amount;
return (first_frequency < minimum_frequency) ? minimum_frequency : first_frequency;
}
function watchSubscriptions() {
let subscriptions = null;
const multiUserMode = config_api.getConfigItem('ytdl_multi_user_mode');
if (multiUserMode) {
subscriptions = [];
let users = users_db.get('users').value();
for (let i = 0; i < users.length; i++) {
if (users[i]['subscriptions']) subscriptions = subscriptions.concat(users[i]['subscriptions']);
}
} else {
subscriptions = subscriptions_api.getAllSubscriptions();
}
if (!subscriptions) return;
let subscriptions_amount = subscriptions.length;
let delay_interval = calculateSubcriptionRetrievalDelay(subscriptions_amount);
let current_delay = 0;
for (let i = 0; i < subscriptions.length; i++) {
let sub = subscriptions[i];
logger.verbose('Watching ' + sub.name + ' with delay interval of ' + delay_interval);
setTimeout(() => {
subscriptions_api.getVideosForSub(sub, sub.user_uid);
}, current_delay);
current_delay += delay_interval;
if (current_delay >= subscriptionsCheckInterval * 1000) current_delay = 0;
}
}
function getOrigin() {
return url_domain.origin;
}
// gets a list of config items that are stored as an environment variable
function getEnvConfigItems() {
let config_items = [];
let config_item_keys = Object.keys(config_api.CONFIG_ITEMS);
for (let i = 0; i < config_item_keys.length; i++) {
let key = config_item_keys[i];
if (process['env'][key]) {
const config_item = generateEnvVarConfigItem(key);
config_items.push(config_item);
}
}
return config_items;
}
// gets value of a config item and stores it in an object
function generateEnvVarConfigItem(key) {
return {key: key, value: process['env'][key]};
}
function getMp3s() {
let mp3s = [];
var files = recFindByExt(audioFolderPath, 'mp3'); // fs.readdirSync(audioFolderPath);
for (let i = 0; i < files.length; i++) {
let file = files[i];
var file_path = file.substring(audioFolderPath.length, file.length);
var stats = fs.statSync(file);
var id = file_path.substring(0, file_path.length-4);
var jsonobj = getJSONMp3(id);
if (!jsonobj) continue;
var title = jsonobj.title;
var url = jsonobj.webpage_url;
var uploader = jsonobj.uploader;
var upload_date = jsonobj.upload_date;
upload_date = upload_date ? `${upload_date.substring(0, 4)}-${upload_date.substring(4, 6)}-${upload_date.substring(6, 8)}` : null;
var size = stats.size;
var thumbnail = jsonobj.thumbnail;
var duration = jsonobj.duration;
var isaudio = true;
var file_obj = new File(id, title, thumbnail, isaudio, duration, url, uploader, size, file, upload_date);
mp3s.push(file_obj);
}
return mp3s;
}
function getMp4s(relative_path = true) {
let mp4s = [];
var files = recFindByExt(videoFolderPath, 'mp4');
for (let i = 0; i < files.length; i++) {
let file = files[i];
var file_path = file.substring(videoFolderPath.length, file.length);
var stats = fs.statSync(file);
var id = file_path.substring(0, file_path.length-4);
var jsonobj = getJSONMp4(id);
if (!jsonobj) continue;
var title = jsonobj.title;
var url = jsonobj.webpage_url;
var uploader = jsonobj.uploader;
var upload_date = jsonobj.upload_date;
upload_date = upload_date ? `${upload_date.substring(0, 4)}-${upload_date.substring(4, 6)}-${upload_date.substring(6, 8)}` : null;
var thumbnail = jsonobj.thumbnail;
var duration = jsonobj.duration;
var size = stats.size;
var isaudio = false;
var file_obj = new File(id, title, thumbnail, isaudio, duration, url, uploader, size, file, upload_date);
mp4s.push(file_obj);
}
return mp4s;
}
function getThumbnailMp3(name)
{
var obj = getJSONMp3(name);
var thumbnailLink = obj.thumbnail;
return thumbnailLink;
}
function getThumbnailMp4(name)
{
var obj = getJSONMp4(name);
var thumbnailLink = obj.thumbnail;
return thumbnailLink;
}
function getFileSizeMp3(name)
{
var jsonPath = audioFolderPath+name+".mp3.info.json";
if (fs.existsSync(jsonPath))
var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
else
var obj = 0;
return obj.filesize;
}
function getFileSizeMp4(name)
{
var jsonPath = videoFolderPath+name+".info.json";
var filesize = 0;
if (fs.existsSync(jsonPath))
{
var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
var format = obj.format.substring(0,3);
for (i = 0; i < obj.formats.length; i++)
{
if (obj.formats[i].format_id == format)
{
filesize = obj.formats[i].filesize;
}
}
}
return filesize;
}
function getJSONMp3(name, customPath = null, openReadPerms = false)
{
var jsonPath = audioFolderPath+name+".info.json";
var alternateJsonPath = audioFolderPath+name+".mp3.info.json";
if (!customPath) {
jsonPath = audioFolderPath + name + ".info.json";
} else {
jsonPath = customPath + name + ".info.json";
alternateJsonPath = customPath + name + ".mp3.info.json";
}
var obj = null;
if (fs.existsSync(jsonPath)) {
obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
if (!is_windows && openReadPerms) fs.chmodSync(jsonPath, 0o755);
}
else if (fs.existsSync(alternateJsonPath)) {
obj = JSON.parse(fs.readFileSync(alternateJsonPath, 'utf8'));
if (!is_windows && openReadPerms) fs.chmodSync(alternateJsonPath, 0o755);
}
else
obj = 0;
return obj;
}
function getJSONMp4(name, customPath = null, openReadPerms = false)
{
var obj = null; // output
let jsonPath = null;
var alternateJsonPath = videoFolderPath + name + ".mp4.info.json";
if (!customPath) {
jsonPath = videoFolderPath + name + ".info.json";
} else {
jsonPath = customPath + name + ".info.json";
alternateJsonPath = customPath + name + ".mp4.info.json";
}
if (fs.existsSync(jsonPath))
{
obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
if (openReadPerms) fs.chmodSync(jsonPath, 0o644);
} else if (fs.existsSync(alternateJsonPath)) {
obj = JSON.parse(fs.readFileSync(alternateJsonPath, 'utf8'));
if (openReadPerms) fs.chmodSync(alternateJsonPath, 0o644);
}
else obj = 0;
return obj;
}
function getAmountDownloadedMp3(name)
{
var partPath = audioFolderPath+name+".mp3.part";
if (fs.existsSync(partPath))
{
const stats = fs.statSync(partPath);
const fileSizeInBytes = stats.size;
return fileSizeInBytes;
}
else
return 0;
}
function getAmountDownloadedMp4(name)
{
var format = getVideoFormatID(name);
var partPath = videoFolderPath+name+".f"+format+".mp4.part";
if (fs.existsSync(partPath))
{
const stats = fs.statSync(partPath);
const fileSizeInBytes = stats.size;
return fileSizeInBytes;
}
else
return 0;
}
function getVideoFormatID(name)
{
var jsonPath = videoFolderPath+name+".info.json";
if (fs.existsSync(jsonPath))
{
var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
var format = obj.format.substring(0,3);
return format;
}
}
async function createPlaylistZipFile(fileNames, type, outputName, fullPathProvided = null) {
return new Promise(async resolve => {
let zipFolderPath = null;
if (!fullPathProvided) {
zipFolderPath = path.join(__dirname, (type === 'audio') ? audioFolderPath : videoFolderPath);
} else {
zipFolderPath = path.join(__dirname, config_api.getConfigItem('ytdl_subscriptions_base_path'));
}
let ext = (type === 'audio') ? '.mp3' : '.mp4';
let output = fs.createWriteStream(path.join(zipFolderPath, outputName + '.zip'));
var archive = archiver('zip', {
gzip: true,
zlib: { level: 9 } // Sets the compression level.
});
archive.on('error', function(err) {
logger.error(err);
throw err;
});
// pipe archive data to the output file
archive.pipe(output);
for (let i = 0; i < fileNames.length; i++) {
let fileName = fileNames[i];
let fileNamePathRemoved = path.parse(fileName).base;
let file_path = !fullPathProvided ? zipFolderPath + fileName + ext : fileName;
archive.file(file_path, {name: fileNamePathRemoved + ext})
}
await archive.finalize();
// wait a tiny bit for the zip to reload in fs
setTimeout(function() {
resolve(path.join(zipFolderPath,outputName + '.zip'));
}, 100);
});
}
async function deleteAudioFile(name, blacklistMode = false) {
return new Promise(resolve => {
// TODO: split descriptors into audio and video descriptors, as deleting an audio file will close all video file streams
var jsonPath = path.join(audioFolderPath,name+'.mp3.info.json');
var altJSONPath = path.join(audioFolderPath,name+'.info.json');
var audioFilePath = path.join(audioFolderPath,name+'.mp3');
jsonPath = path.join(__dirname, jsonPath);
altJSONPath = path.join(__dirname, altJSONPath);
audioFilePath = path.join(__dirname, audioFilePath);
let jsonExists = fs.existsSync(jsonPath);
if (!jsonExists) {
if (fs.existsSync(altJSONPath)) {
jsonExists = true;
jsonPath = altJSONPath;
}
}
let audioFileExists = fs.existsSync(audioFilePath);
if (config_api.descriptors[name]) {
try {
for (let i = 0; i < config_api.descriptors[name].length; i++) {
config_api.descriptors[name][i].destroy();
}
} catch(e) {
}
}
let useYoutubeDLArchive = config_api.getConfigItem('ytdl_use_youtubedl_archive');
if (useYoutubeDLArchive) {
const archive_path = path.join(archivePath, 'archive_audio.txt');
// get ID from JSON
var jsonobj = getJSONMp3(name);
let id = null;
if (jsonobj) id = jsonobj.id;
// use subscriptions API to remove video from the archive file, and write it to the blacklist
if (fs.existsSync(archive_path)) {
const line = id ? subscriptions_api.removeIDFromArchive(archive_path, id) : null;
if (blacklistMode && line) writeToBlacklist('audio', line);
} else {
logger.info('Could not find archive file for audio files. Creating...');
fs.closeSync(fs.openSync(archive_path, 'w'));
}
}
if (jsonExists) fs.unlinkSync(jsonPath);
if (audioFileExists) {
fs.unlink(audioFilePath, function(err) {
if (fs.existsSync(jsonPath) || fs.existsSync(audioFilePath)) {
resolve(false);
} else {
resolve(true);
}
});
} else {
// TODO: tell user that the file didn't exist
resolve(true);
}
});
}
async function deleteVideoFile(name, customPath = null, blacklistMode = false) {
return new Promise(resolve => {
let filePath = customPath ? customPath : videoFolderPath;
var jsonPath = path.join(filePath,name+'.info.json');
var videoFilePath = path.join(filePath,name+'.mp4');
jsonPath = path.join(__dirname, jsonPath);
videoFilePath = path.join(__dirname, videoFilePath);
jsonExists = fs.existsSync(jsonPath);
videoFileExists = fs.existsSync(videoFilePath);
if (config_api.descriptors[name]) {
try {
for (let i = 0; i < config_api.descriptors[name].length; i++) {
config_api.descriptors[name][i].destroy();
}
} catch(e) {
}
}
let useYoutubeDLArchive = config_api.getConfigItem('ytdl_use_youtubedl_archive');
if (useYoutubeDLArchive) {
const archive_path = path.join(archivePath, 'archive_video.txt');
// get ID from JSON
var jsonobj = getJSONMp4(name);
let id = null;
if (jsonobj) id = jsonobj.id;
// use subscriptions API to remove video from the archive file, and write it to the blacklist
if (fs.existsSync(archive_path)) {
const line = id ? subscriptions_api.removeIDFromArchive(archive_path, id) : null;
if (blacklistMode && line) writeToBlacklist('video', line);
} else {
logger.info('Could not find archive file for videos. Creating...');
fs.closeSync(fs.openSync(archive_path, 'w'));
}
}
if (jsonExists) fs.unlinkSync(jsonPath);
if (videoFileExists) {
fs.unlink(videoFilePath, function(err) {
if (fs.existsSync(jsonPath) || fs.existsSync(videoFilePath)) {
resolve(false);
} else {
resolve(true);
}
});
} else {
// TODO: tell user that the file didn't exist
resolve(true);
}
});
}
function recFindByExt(base,ext,files,result)
{
files = files || fs.readdirSync(base)
result = result || []
files.forEach(
function (file) {
var newbase = path.join(base,file)
if ( fs.statSync(newbase).isDirectory() )
{
result = recFindByExt(newbase,ext,fs.readdirSync(newbase),result)
}
else
{
if ( file.substr(-1*(ext.length+1)) == '.' + ext )
{
result.push(newbase)
}
}
}
)
return result
}
function registerFileDB(file_path, type, multiUserMode = null) {
const file_id = file_path.substring(0, file_path.length-4);
const file_object = generateFileObject(file_id, type, multiUserMode && multiUserMode.file_path);
if (!file_object) {
logger.error(`Could not find associated JSON file for ${type} file ${file_id}`);
return false;
}
// add additional info
file_object['uid'] = uuid();
file_object['registered'] = Date.now();
path_object = path.parse(file_object['path']);
file_object['path'] = path.format(path_object);
if (multiUserMode) {
auth_api.registerUserFile(multiUserMode.user, file_object, type);
} else {
// remove existing video if overwriting
db.get(`files.${type}`)
.remove({
path: file_object['path']
}).write();
db.get(`files.${type}`)
.push(file_object)
.write();
}
return file_object['uid'];
}
function generateFileObject(id, type, customPath = null) {
var jsonobj = (type === 'audio') ? getJSONMp3(id, customPath, true) : getJSONMp4(id, customPath, true);
if (!jsonobj) {
return null;
}
const ext = (type === 'audio') ? '.mp3' : '.mp4'
const file_path = getTrueFileName(jsonobj['_filename'], type); // path.join(type === 'audio' ? audioFolderPath : videoFolderPath, id + ext);
// console.
var stats = fs.statSync(path.join(__dirname, file_path));
var title = jsonobj.title;
var url = jsonobj.webpage_url;
var uploader = jsonobj.uploader;
var upload_date = jsonobj.upload_date;
upload_date = upload_date ? `${upload_date.substring(0, 4)}-${upload_date.substring(4, 6)}-${upload_date.substring(6, 8)}` : 'N/A';
var size = stats.size;
var thumbnail = jsonobj.thumbnail;
var duration = jsonobj.duration;
var isaudio = type === 'audio';
var file_obj = new File(id, title, thumbnail, isaudio, duration, url, uploader, size, file_path, upload_date);
return file_obj;
}
// replaces .webm with appropriate extension
function getTrueFileName(unfixed_path, type) {
let fixed_path = unfixed_path;
const new_ext = (type === 'audio' ? 'mp3' : 'mp4');
let unfixed_parts = unfixed_path.split('.');
const old_ext = unfixed_parts[unfixed_parts.length-1];
if (old_ext !== new_ext) {
unfixed_parts[unfixed_parts.length-1] = new_ext;
fixed_path = unfixed_parts.join('.');
}
return fixed_path;
}
function getAudioInfos(fileNames) {
let result = [];
for (let i = 0; i < fileNames.length; i++) {
let fileName = fileNames[i];
let fileLocation = audioFolderPath+fileName+'.mp3.info.json';
if (fs.existsSync(fileLocation)) {
let data = fs.readFileSync(fileLocation);
try {
result.push(JSON.parse(data));
} catch(e) {
logger.error(`Could not find info for file ${fileName}.mp3`);
}
}
}
return result;
}
function getVideoInfos(fileNames) {
let result = [];
for (let i = 0; i < fileNames.length; i++) {
let fileName = fileNames[i];
let fileLocation = videoFolderPath+fileName+'.info.json';
if (fs.existsSync(fileLocation)) {
let data = fs.readFileSync(fileLocation);
try {
result.push(JSON.parse(data));
} catch(e) {
logger.error(`Could not find info for file ${fileName}.mp4`);
}
}
}
return result;
}
// downloads
async function downloadFileByURL_exec(url, type, options, sessionID = null) {
return new Promise(async resolve => {
var date = Date.now();
// audio / video specific vars
var is_audio = type === 'audio';
var ext = is_audio ? '.mp3' : '.mp4';
var fileFolderPath = type === 'audio' ? audioFolderPath : videoFolderPath;
// prepend with user if needed
let multiUserMode = null;
if (options.user) {
let usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
const user_path = path.join(usersFileFolder, options.user, type);
fs.ensureDirSync(user_path);
fileFolderPath = user_path + path.sep;
multiUserMode = {
user: options.user,
file_path: fileFolderPath
}
options.customFileFolderPath = fileFolderPath;
}
const downloadConfig = await generateArgs(url, type, options);
// adds download to download helper
const download_uid = uuid();
const session = sessionID ? sessionID : 'undeclared';
if (!downloads[session]) downloads[session] = {};
downloads[session][download_uid] = {
uid: download_uid,
ui_uid: options.ui_uid,
downloading: true,
complete: false,
url: url,
type: type,
percent_complete: 0,
is_playlist: url.includes('playlist'),
timestamp_start: Date.now()
};
const download = downloads[session][download_uid];
updateDownloads();
youtubedl.exec(url, downloadConfig, {}, function(err, output) {
download['downloading'] = false;
download['timestamp_end'] = Date.now();
var file_uid = null;
let new_date = Date.now();
let difference = (new_date - date)/1000;
logger.debug(`${is_audio ? 'Audio' : 'Video'} download delay: ${difference} seconds.`);
if (err) {
logger.error(err.stderr);
download['error'] = err.stderr;
updateDownloads();
resolve(false);
throw err;
} else if (output) {
if (output.length === 0 || output[0].length === 0) {
download['error'] = 'No output. Check if video already exists in your archive.';
updateDownloads();
resolve(false);
return;
}
var file_names = [];
for (let i = 0; i < output.length; i++) {
let output_json = null;
try {
output_json = JSON.parse(output[i]);
} catch(e) {
output_json = null;
}
var modified_file_name = output_json ? output_json['title'] : null;
if (!output_json) {
continue;
}
// get filepath with no extension
const filepath_no_extension = removeFileExtension(output_json['_filename']);
var full_file_path = filepath_no_extension + ext;
var file_name = filepath_no_extension.substring(fileFolderPath.length, filepath_no_extension.length);
// renames file if necessary due to bug
if (!fs.existsSync(output_json['_filename'] && fs.existsSync(output_json['_filename'] + '.webm'))) {
try {
fs.renameSync(output_json['_filename'] + '.webm', output_json['_filename']);
logger.info('Renamed ' + file_name + '.webm to ' + file_name);
} catch(e) {
}
}
if (type === 'audio') {
let tags = {
title: output_json['title'],
artist: output_json['artist'] ? output_json['artist'] : output_json['uploader']
}
let success = NodeID3.write(tags, output_json['_filename']);
if (!success) logger.error('Failed to apply ID3 tag to audio file ' + output_json['_filename']);
}
// registers file in DB
file_uid = registerFileDB(full_file_path.substring(fileFolderPath.length, full_file_path.length), type, multiUserMode);
if (file_name) file_names.push(file_name);
}
let is_playlist = file_names.length > 1;
if (options.merged_string) {
let current_merged_archive = fs.readFileSync(fileFolderPath + 'merged.txt', 'utf8');
let diff = current_merged_archive.replace(options.merged_string, '');
const archive_path = path.join(archivePath, `archive_${type}.txt`);
fs.appendFileSync(archive_path, diff);
}
download['complete'] = true;
updateDownloads();
var videopathEncoded = encodeURIComponent(file_names[0]);
resolve({
[(type === 'audio') ? 'audiopathEncoded' : 'videopathEncoded']: videopathEncoded,
file_names: is_playlist ? file_names : null,
uid: file_uid
});
}
});
});
}
async function downloadFileByURL_normal(url, type, options, sessionID = null) {
return new Promise(async resolve => {
var date = Date.now();
var file_uid = null;
var fileFolderPath = type === 'audio' ? audioFolderPath : videoFolderPath;
// prepend with user if needed
let multiUserMode = null;
if (options.user) {
let usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
const user_path = path.join(usersFileFolder, options.user, type);
fs.ensureDirSync(user_path);
fileFolderPath = user_path + path.sep;
multiUserMode = {
user: options.user,
file_path: fileFolderPath
}
options.customFileFolderPath = fileFolderPath;
}
const downloadConfig = await generateArgs(url, type, options);
// adds download to download helper
const download_uid = uuid();
const session = sessionID ? sessionID : 'undeclared';
if (!downloads[session]) downloads[session] = {};
downloads[session][download_uid] = {
uid: download_uid,
ui_uid: options.ui_uid,
downloading: true,
complete: false,
url: url,
type: type,
percent_complete: 0,
is_playlist: url.includes('playlist'),
timestamp_start: Date.now()
};
const download = downloads[session][download_uid];
updateDownloads();
const video = youtubedl(url,
// Optional arguments passed to youtube-dl.
downloadConfig,
// Additional options can be given for calling `child_process.execFile()`.
{ cwd: __dirname });
let video_info = null;
let file_size = 0;
// Will be called when the download starts.
video.on('info', function(info) {
video_info = info;
file_size = video_info.size;
fs.writeJSONSync(removeFileExtension(video_info._filename) + '.info.json', video_info);
video.pipe(fs.createWriteStream(video_info._filename, { flags: 'w' }))
});
// Will be called if download was already completed and there is nothing more to download.
video.on('complete', function complete(info) {
'use strict'
logger.info('file ' + info._filename + ' already downloaded.')
})
let download_pos = 0;
video.on('data', function data(chunk) {
download_pos += chunk.length
// `size` should not be 0 here.
if (file_size) {
let percent = (download_pos / file_size * 100).toFixed(2)
download['percent_complete'] = percent;
}
});
video.on('end', function() {
let new_date = Date.now();
let difference = (new_date - date)/1000;
logger.debug(`Video download delay: ${difference} seconds.`);
download['complete'] = true;
updateDownloads();
// audio-only cleanup
if (type === 'audio') {
// filename fix
video_info['_filename'] = removeFileExtension(video_info['_filename']) + '.mp3';
// ID3 tagging
let tags = {
title: video_info['title'],
artist: video_info['artist'] ? video_info['artist'] : video_info['uploader']
}
let success = NodeID3.write(tags, video_info._filename);
if (!success) logger.error('Failed to apply ID3 tag to audio file ' + video_info._filename);
}
// registers file in DB
const base_file_name = video_info._filename.substring(fileFolderPath.length, video_info._filename.length);
file_uid = registerFileDB(base_file_name, type, multiUserMode);
if (options.merged_string) {
let current_merged_archive = fs.readFileSync(fileFolderPath + 'merged.txt', 'utf8');
let diff = current_merged_archive.replace(options.merged_string, '');
const archive_path = req.isAuthenticated() ? path.join(fileFolderPath, 'archives', `archive_${type}.txt`) : path.join(archivePath, `archive_${type}.txt`);
fs.appendFileSync(archive_path, diff);
}
videopathEncoded = encodeURIComponent(removeFileExtension(base_file_name));
resolve({
[(type === 'audio') ? 'audiopathEncoded' : 'videopathEncoded']: videopathEncoded,
file_names: /*is_playlist ? file_names :*/ null, // playlist support is not ready
uid: file_uid
});
});
video.on('error', function error(err) {
logger.error(err);
download[error] = err;
updateDownloads();
resolve(false);
});
});
}
async function generateArgs(url, type, options) {
return new Promise(async resolve => {
var videopath = '%(title)s';
var globalArgs = config_api.getConfigItem('ytdl_custom_args');
var is_audio = type === 'audio';
var fileFolderPath = is_audio ? audioFolderPath : videoFolderPath;
if (options.customFileFolderPath) fileFolderPath = options.customFileFolderPath;
var customArgs = options.customArgs;
var customOutput = options.customOutput;
var customQualityConfiguration = options.customQualityConfiguration;
// video-specific args
var selectedHeight = options.selectedHeight;
// audio-specific args
var maxBitrate = options.maxBitrate;
var youtubeUsername = options.youtubeUsername;
var youtubePassword = options.youtubePassword;
let downloadConfig = null;
let qualityPath = is_audio ? '-f bestaudio' :'-f best[ext=mp4]';
if (!is_audio && (url.includes('tiktok') || url.includes('pscp.tv'))) {
// tiktok videos fail when using the default format
qualityPath = '-f best';
}
if (customArgs) {
downloadConfig = customArgs.split(' ');
} else {
if (customQualityConfiguration) {
qualityPath = `-f ${customQualityConfiguration}`;
} else if (selectedHeight && selectedHeight !== '' && !is_audio) {
qualityPath = `-f '(mp4)[height=${selectedHeight}]'`;
} else if (maxBitrate && is_audio) {
qualityPath = `--audio-quality ${maxBitrate}`
}
if (customOutput) {
downloadConfig = ['-o', path.join(fileFolderPath, customOutput), qualityPath, '--write-info-json', '--print-json'];
} else {
downloadConfig = ['-o', path.join(fileFolderPath, videopath + (is_audio ? '.%(ext)s' : '.mp4')), qualityPath, '--write-info-json', '--print-json'];
}
if (is_audio) {
downloadConfig.push('-x');
downloadConfig.push('--audio-format', 'mp3');
}
if (youtubeUsername && youtubePassword) {
downloadConfig.push('--username', youtubeUsername, '--password', youtubePassword);
}
if (!useDefaultDownloadingAgent && customDownloadingAgent) {
downloadConfig.splice(0, 0, '--external-downloader', customDownloadingAgent);
}
let useYoutubeDLArchive = config_api.getConfigItem('ytdl_use_youtubedl_archive');
if (useYoutubeDLArchive) {
const archive_path = options.user ? path.join(fileFolderPath, 'archives', `archive_${type}.txt`) : path.join(archivePath, `archive_${type}.txt`);
// create archive file if it doesn't exist
if (!fs.existsSync(archive_path)) {
fs.closeSync(fs.openSync(archive_path, 'w'));
}
let blacklist_path = options.user ? path.join(fileFolderPath, 'archives', `blacklist_${type}.txt`) : path.join(archivePath, `blacklist_${type}.txt`);
// create blacklist file if it doesn't exist
if (!fs.existsSync(blacklist_path)) {
fs.closeSync(fs.openSync(blacklist_path, 'w'));
}
let merged_path = fileFolderPath + 'merged.txt';
fs.ensureFileSync(merged_path);
// merges blacklist and regular archive
let inputPathList = [archive_path, blacklist_path];
let status = await mergeFiles(inputPathList, merged_path);
options.merged_string = fs.readFileSync(merged_path, "utf8");
downloadConfig.push('--download-archive', merged_path);
}
if (globalArgs && globalArgs !== '') {
// adds global args
downloadConfig = downloadConfig.concat(globalArgs.split(' '));
}
}
resolve(downloadConfig);
});
}
// currently only works for single urls
async function getUrlInfos(urls) {
let startDate = Date.now();
let result = [];
return new Promise(resolve => {
youtubedl.exec(urls.join(' '), ['--dump-json'], {}, (err, output) => {
let new_date = Date.now();
let difference = (new_date - startDate)/1000;
logger.debug(`URL info retrieval delay: ${difference} seconds.`);
if (err) {
logger.error('Error during parsing:' + err);
resolve(null);
}
let try_putput = null;
try {
try_putput = JSON.parse(output);
result = try_putput;
} catch(e) {
// probably multiple urls
logger.error('failed to parse for urls starting with ' + urls[0]);
// logger.info(output);
}
resolve(result);
});
});
}
function writeToBlacklist(type, line) {
let blacklistPath = path.join(archivePath, (type === 'audio') ? 'blacklist_audio.txt' : 'blacklist_video.txt');
// adds newline to the beginning of the line
line = '\n' + line;
fs.appendFileSync(blacklistPath, line);
}
// download management functions
function updateDownloads() {
db.assign({downloads: downloads}).write();
}
/*
function checkDownloads() {
for (let [session_id, session_downloads] of Object.entries(downloads)) {
for (let [download_uid, download_obj] of Object.entries(session_downloads)) {
if (download_obj && !download_obj['complete'] && !download_obj['error']
&& download_obj.timestamp_start > timestamp_server_start) {
// download is still running (presumably)
download_obj.percent_complete = getDownloadPercent(download_obj);
}
}
}
}
*/
function getDownloadPercent(download_obj) {
if (!download_obj.final_size) {
if (fs.existsSync(download_obj.expected_json_path)) {
const file_json = JSON.parse(fs.readFileSync(download_obj.expected_json_path, 'utf8'));
let calculated_filesize = null;
if (file_json['format_id']) {
calculated_filesize = 0;
const formats_used = file_json['format_id'].split('+');
for (let i = 0; i < file_json['formats'].length; i++) {
if (formats_used.includes(file_json['formats'][i]['format_id'])) {
calculated_filesize += file_json['formats'][i]['filesize'];
}
}
}
download_obj.final_size = calculated_filesize;
} else {
console.log('could not find json file');
}
}
if (fs.existsSync(download_obj.expected_path)) {
const stats = fs.statSync(download_obj.expected_path);
const size = stats.size;
return (size / download_obj.final_size)*100;
} else {
console.log('could not find file');
return 0;
}
}
// youtube-dl functions
async function startYoutubeDL() {
// auto update youtube-dl
if (!debugMode) await autoUpdateYoutubeDL();
}
// auto updates the underlying youtube-dl binary, not YoutubeDL-Material
async function autoUpdateYoutubeDL() {
return new Promise(resolve => {
// get current version
let current_app_details_path = 'node_modules/youtube-dl/bin/details';
let current_app_details_exists = fs.existsSync(current_app_details_path);
if (!current_app_details_exists) {
logger.error(`Failed to get youtube-dl binary details at location '${current_app_details_path}'. Cancelling update check.`);
resolve(false);
return;
}
let current_app_details = JSON.parse(fs.readFileSync(current_app_details_path));
let current_version = current_app_details['version'];
let stored_binary_path = current_app_details['path'];
if (!stored_binary_path || typeof stored_binary_path !== 'string') {
// logger.info(`INFO: Failed to get youtube-dl binary path at location: ${current_app_details_path}, attempting to guess actual path...`);
const guessed_base_path = 'node_modules/youtube-dl/bin/';
const guessed_file_path = guessed_base_path + 'youtube-dl' + (is_windows ? '.exe' : '');
if (fs.existsSync(guessed_file_path)) {
stored_binary_path = guessed_file_path;
// logger.info('INFO: Guess successful! Update process continuing...')
} else {
logger.error(`Guess '${guessed_file_path}' is not correct. Cancelling update check. Verify that your youtube-dl binaries exist by running npm install.`);
resolve(false);
return;
}
}
// got version, now let's check the latest version from the youtube-dl API
let youtubedl_api_path = 'https://api.github.com/repos/ytdl-org/youtube-dl/tags';
fetch(youtubedl_api_path, {method: 'Get'})
.then(async res => res.json())
.then(async (json) => {
// check if the versions are different
if (!json || !json[0]) {
resolve(false);
return false;
}
const latest_update_version = json[0]['name'];
if (current_version !== latest_update_version) {
let binary_path = 'node_modules/youtube-dl/bin';
// versions different, download new update
logger.info('Found new update for youtube-dl. Updating binary...');
try {
await checkExistsWithTimeout(stored_binary_path, 10000);
} catch(e) {
logger.error(`Failed to update youtube-dl - ${e}`);
}
downloader(binary_path, function error(err, done) {
if (err) {
logger.error(err);
resolve(false);
}
logger.info(`Binary successfully updated: ${current_version} -> ${latest_update_version}`);
resolve(true);
});
}
});
});
}
async function checkExistsWithTimeout(filePath, timeout) {
return new Promise(function (resolve, reject) {
var timer = setTimeout(function () {
if (watcher) watcher.close();
reject(new Error('File did not exists and was not created during the timeout.'));
}, timeout);
fs.access(filePath, fs.constants.R_OK, function (err) {
if (!err) {
clearTimeout(timer);
watcher.close();
resolve();
}
});
var dir = path.dirname(filePath);
var basename = path.basename(filePath);
var watcher = fs.watch(dir, function (eventType, filename) {
if (eventType === 'rename' && filename === basename) {
clearTimeout(timer);
watcher.close();
resolve();
}
});
});
}
function removeFileExtension(filename) {
const filename_parts = filename.split('.');
filename_parts.splice(filename_parts.length - 1)
return filename_parts.join('.');
}
// https://stackoverflow.com/a/32197381/8088021
const deleteFolderRecursive = function(folder_to_delete) {
if (fs.existsSync(folder_to_delete)) {
fs.readdirSync(folder_to_delete).forEach((file, index) => {
const curPath = path.join(folder_to_delete, file);
if (fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(folder_to_delete);
}
};
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization");
res.header("Access-Control-Allow-Origin", getOrigin());
if (req.method === 'OPTIONS') {
res.sendStatus(200);
} else {
next();
}
});
app.use(function(req, res, next) {
if (!req.path.includes('/api/')) {
next();
} else if (req.query.apiKey === admin_token) {
next();
} else if (req.query.apiKey && config_api.getConfigItem('ytdl_use_api_key') && req.query.apiKey === config_api.getConfigItem('ytdl_api_key')) {
next();
} else if (req.path.includes('/api/video/') || req.path.includes('/api/audio/')) {
next();
} else {
logger.verbose(`Rejecting request - invalid API use for endpoint: ${req.path}. API key received: ${req.query.apiKey}`);
req.socket.end();
}
});
app.use(compression());
const optionalJwt = function (req, res, next) {
const multiUserMode = config_api.getConfigItem('ytdl_multi_user_mode');
if (multiUserMode && ((req.body && req.body.uuid) || (req.query && req.query.uuid)) && (req.path.includes('/api/getFile') ||
req.path.includes('/api/audio') ||
req.path.includes('/api/video') ||
req.path.includes('/api/downloadFile'))) {
// check if shared video
const using_body = req.body && req.body.uuid;
const uuid = using_body ? req.body.uuid : req.query.uuid;
const uid = using_body ? req.body.uid : req.query.uid;
const type = using_body ? req.body.type : req.query.type;
const is_shared = !req.query.id ? auth_api.getUserVideo(uuid, uid, type, true) : auth_api.getUserPlaylist(uuid, req.query.id, null, true);
if (is_shared) {
req.can_watch = true;
return next();
} else {
res.sendStatus(401);
return;
}
} else if (multiUserMode && !(req.path.includes('/api/auth/register') && !req.query.jwt)) { // registration should get passed through
if (!req.query.jwt) {
res.sendStatus(401);
return;
}
return auth_api.passport.authenticate('jwt', { session: false })(req, res, next);
}
return next();
};
app.get('/api/config', function(req, res) {
let config_file = config_api.getConfigFile();
res.send({
config_file: config_file,
success: !!config_file
});
});
app.post('/api/setConfig', function(req, res) {
let new_config_file = req.body.new_config_file;
if (new_config_file && new_config_file['YoutubeDLMaterial']) {
let success = config_api.setConfigFile(new_config_file);
loadConfigValues(); // reloads config values that exist as variables
res.send({
success: success
});
} else {
logger.error('Tried to save invalid config file!')
res.sendStatus(400);
}
});
app.get('/api/using-encryption', function(req, res) {
res.send(usingEncryption);
});
app.post('/api/tomp3', optionalJwt, async function(req, res) {
var url = req.body.url;
var options = {
customArgs: req.body.customArgs,
customOutput: req.body.customOutput,
maxBitrate: req.body.maxBitrate,
customQualityConfiguration: req.body.customQualityConfiguration,
youtubeUsername: req.body.youtubeUsername,
youtubePassword: req.body.youtubePassword,
ui_uid: req.body.ui_uid,
user: req.isAuthenticated() ? req.user.uid : null
}
const is_playlist = url.includes('playlist');
if (true || is_playlist)
result_obj = await downloadFileByURL_exec(url, 'audio', options, req.query.sessionID);
else
result_obj = await downloadFileByURL_normal(url, 'audio', options, req.query.sessionID);
if (result_obj) {
res.send(result_obj);
} else {
res.sendStatus(500);
}
res.end("yes");
});
app.post('/api/tomp4', optionalJwt, async function(req, res) {
var url = req.body.url;
var options = {
customArgs: req.body.customArgs,
customOutput: req.body.customOutput,
selectedHeight: req.body.selectedHeight,
customQualityConfiguration: req.body.customQualityConfiguration,
youtubeUsername: req.body.youtubeUsername,
youtubePassword: req.body.youtubePassword,
ui_uid: req.body.ui_uid,
user: req.isAuthenticated() ? req.user.uid : null
}
const is_playlist = url.includes('playlist');
let result_obj = null;
if (is_playlist || options.customQualityConfiguration)
result_obj = await downloadFileByURL_exec(url, 'video', options, req.query.sessionID);
else
result_obj = await downloadFileByURL_normal(url, 'video', options, req.query.sessionID);
if (result_obj) {
res.send(result_obj);
} else {
res.sendStatus(500);
}
res.end("yes");
});
// gets the status of the mp3 file that's being downloaded
app.post('/api/fileStatusMp3', function(req, res) {
var name = decodeURIComponent(req.body.name + "");
var exists = "";
var fullpath = audioFolderPath + name + ".mp3";
if (fs.existsSync(fullpath)) {
exists = [basePath + audioFolderPath + name, getFileSizeMp3(name)];
}
else
{
var percent = 0;
var size = getFileSizeMp3(name);
var downloaded = getAmountDownloadedMp3(name);
if (size > 0)
percent = downloaded/size;
exists = ["failed", getFileSizeMp3(name), percent];
}
//logger.info(exists + " " + name);
res.send(exists);
res.end("yes");
});
// gets the status of the mp4 file that's being downloaded
app.post('/api/fileStatusMp4', function(req, res) {
var name = decodeURIComponent(req.body.name);
var exists = "";
var fullpath = videoFolderPath + name + ".mp4";
if (fs.existsSync(fullpath)) {
exists = [basePath + videoFolderPath + name, getFileSizeMp4(name)];
} else {
var percent = 0;
var size = getFileSizeMp4(name);
var downloaded = getAmountDownloadedMp4(name);
if (size > 0)
percent = downloaded/size;
exists = ["failed", getFileSizeMp4(name), percent];
}
//logger.info(exists + " " + name);
res.send(exists);
res.end("yes");
});
// gets all download mp3s
app.get('/api/getMp3s', optionalJwt, function(req, res) {
var mp3s = db.get('files.audio').value(); // getMp3s();
var playlists = db.get('playlists.audio').value();
const is_authenticated = req.isAuthenticated();
if (is_authenticated) {
// get user audio files/playlists
auth_api.passport.authenticate('jwt')
mp3s = auth_api.getUserVideos(req.user.uid, 'audio');
playlists = auth_api.getUserPlaylists(req.user.uid, 'audio');
}
res.send({
mp3s: mp3s,
playlists: playlists
});
});
// gets all download mp4s
app.get('/api/getMp4s', optionalJwt, function(req, res) {
var mp4s = db.get('files.video').value(); // getMp4s();
var playlists = db.get('playlists.video').value();
const is_authenticated = req.isAuthenticated();
if (is_authenticated) {
// get user videos/playlists
auth_api.passport.authenticate('jwt')
mp4s = auth_api.getUserVideos(req.user.uid, 'video');
playlists = auth_api.getUserPlaylists(req.user.uid, 'video');
}
res.send({
mp4s: mp4s,
playlists: playlists
});
});
app.post('/api/getFile', optionalJwt, function (req, res) {
var uid = req.body.uid;
var type = req.body.type;
var uuid = req.body.uuid;
var file = null;
if (req.isAuthenticated()) {
file = auth_api.getUserVideo(req.user.uid, uid, type);
} else if (uuid) {
file = auth_api.getUserVideo(uuid, uid, type, true);
} else {
if (!type) {
file = db.get('files.audio').find({uid: uid}).value();
if (!file) {
file = db.get('files.video').find({uid: uid}).value();
if (file) type = 'video';
} else {
type = 'audio';
}
}
if (!file && type) file = db.get(`files.${type}`).find({uid: uid}).value();
}
if (file) {
res.send({
success: true,
file: file
});
} else {
res.send({
success: false
});
}
});
// video sharing
app.post('/api/enableSharing', optionalJwt, function(req, res) {
var type = req.body.type;
var uid = req.body.uid;
var is_playlist = req.body.is_playlist;
let success = false;
// multi-user mode
if (req.isAuthenticated()) {
// if multi user mode, use this method instead
success = auth_api.changeSharingMode(req.user.uid, uid, type, is_playlist, true);
res.send({success: success});
return;
}
// single-user mode
try {
success = true;
if (!is_playlist && type !== 'subscription') {
db.get(`files.${type}`)
.find({uid: uid})
.assign({sharingEnabled: true})
.write();
} else if (is_playlist) {
db.get(`playlists.${type}`)
.find({id: uid})
.assign({sharingEnabled: true})
.write();
} else if (type === 'subscription') {
// TODO: Implement. Main blocker right now is subscription videos are not stored in the DB, they are searched for every
// time they are requested from the subscription directory.
} else {
// error
success = false;
}
} catch(err) {
success = false;
}
res.send({
success: success
});
});
app.post('/api/disableSharing', optionalJwt, function(req, res) {
var type = req.body.type;
var uid = req.body.uid;
var is_playlist = req.body.is_playlist;
// multi-user mode
if (req.isAuthenticated()) {
// if multi user mode, use this method instead
success = auth_api.changeSharingMode(req.user.uid, uid, type, is_playlist, false);
res.send({success: success});
return;
}
// single-user mode
try {
success = true;
if (!is_playlist && type !== 'subscription') {
db.get(`files.${type}`)
.find({uid: uid})
.assign({sharingEnabled: false})
.write();
} else if (is_playlist) {
db.get(`playlists.${type}`)
.find({id: uid})
.assign({sharingEnabled: false})
.write();
} else if (type === 'subscription') {
// TODO: Implement. Main blocker right now is subscription videos are not stored in the DB, they are searched for every
// time they are requested from the subscription directory.
} else {
// error
success = false;
}
} catch(err) {
success = false;
}
res.send({
success: success
});
});
app.post('/api/subscribe', optionalJwt, async (req, res) => {
let name = req.body.name;
let url = req.body.url;
let timerange = req.body.timerange;
let streamingOnly = req.body.streamingOnly;
let user_uid = req.isAuthenticated() ? req.user.uid : null;
const new_sub = {
name: name,
url: url,
id: uuid(),
streamingOnly: streamingOnly,
user_uid: user_uid
};
// adds timerange if it exists, otherwise all videos will be downloaded
if (timerange) {
new_sub.timerange = timerange;
}
const result_obj = await subscriptions_api.subscribe(new_sub, user_uid);
if (result_obj.success) {
res.send({
new_sub: new_sub
});
} else {
res.send({
new_sub: null,
error: result_obj.error
})
}
});
app.post('/api/unsubscribe', optionalJwt, async (req, res) => {
let deleteMode = req.body.deleteMode
let sub = req.body.sub;
let user_uid = req.isAuthenticated() ? req.user.uid : null;
let result_obj = subscriptions_api.unsubscribe(sub, deleteMode, user_uid);
if (result_obj.success) {
res.send({
success: result_obj.success
});
} else {
res.send({
success: false,
error: result_obj.error
});
}
});
app.post('/api/deleteSubscriptionFile', optionalJwt, async (req, res) => {
let deleteForever = req.body.deleteForever;
let file = req.body.file;
let sub = req.body.sub;
let user_uid = req.isAuthenticated() ? req.user.uid : null;
let success = await subscriptions_api.deleteSubscriptionFile(sub, file, deleteForever, user_uid);
if (success) {
res.send({
success: success
});
} else {
res.sendStatus(500);
}
});
app.post('/api/getSubscription', optionalJwt, async (req, res) => {
let subID = req.body.id;
let user_uid = req.isAuthenticated() ? req.user.uid : null;
// get sub from db
let subscription = subscriptions_api.getSubscription(subID, user_uid);
if (!subscription) {
// failed to get subscription from db, send 400 error
res.sendStatus(400);
return;
}
// get sub videos
if (subscription.name && !subscription.streamingOnly) {
let base_path = null;
if (user_uid)
base_path = path.join(config_api.getConfigItem('ytdl_users_base_path'), user_uid, 'subscriptions');
else
base_path = config_api.getConfigItem('ytdl_subscriptions_base_path');
let appended_base_path = path.join(base_path, subscription.isPlaylist ? 'playlists' : 'channels', subscription.name, '/');
let files;
try {
files = recFindByExt(appended_base_path, 'mp4');
} catch(e) {
files = null;
logger.info('Failed to get folder for subscription: ' + subscription.name + ' at path ' + appended_base_path);
res.sendStatus(500);
return;
}
var parsed_files = [];
for (let i = 0; i < files.length; i++) {
let file = files[i];
var file_path = file.substring(appended_base_path.length, file.length);
var stats = fs.statSync(file);
var id = file_path.substring(0, file_path.length-4);
var jsonobj = getJSONMp4(id, appended_base_path);
if (!jsonobj) continue;
var title = jsonobj.title;
var thumbnail = jsonobj.thumbnail;
var duration = jsonobj.duration;
var url = jsonobj.webpage_url;
var uploader = jsonobj.uploader;
var upload_date = jsonobj.upload_date;
upload_date = `${upload_date.substring(0, 4)}-${upload_date.substring(4, 6)}-${upload_date.substring(6, 8)}`;
var size = stats.size;
var isaudio = false;
var file_obj = new File(id, title, thumbnail, isaudio, duration, url, uploader, size, file, upload_date);
parsed_files.push(file_obj);
}
res.send({
subscription: subscription,
files: parsed_files
});
} else if (subscription.name && subscription.streamingOnly) {
// return list of videos
let parsed_files = [];
if (subscription.videos) {
for (let i = 0; i < subscription.videos.length; i++) {
const video = subscription.videos[i];
parsed_files.push(new File(video.title, video.title, video.thumbnail, false, video.duration, video.url, video.uploader, video.size, null, null, video.upload_date));
}
}
res.send({
subscription: subscription,
files: parsed_files
});
} else {
res.sendStatus(500);
}
});
app.post('/api/downloadVideosForSubscription', optionalJwt, async (req, res) => {
let subID = req.body.subID;
let user_uid = req.isAuthenticated() ? req.user.uid : null;
let sub = subscriptions_api.getSubscription(subID, user_uid);
subscriptions_api.getVideosForSub(sub, user_uid);
res.send({
success: true
});
});
app.post('/api/getAllSubscriptions', optionalJwt, async (req, res) => {
let user_uid = req.isAuthenticated() ? req.user.uid : null;
// get subs from api
let subscriptions = subscriptions_api.getAllSubscriptions(user_uid);
res.send({
subscriptions: subscriptions
});
});
app.post('/api/createPlaylist', optionalJwt, async (req, res) => {
let playlistName = req.body.playlistName;
let fileNames = req.body.fileNames;
let type = req.body.type;
let thumbnailURL = req.body.thumbnailURL;
let new_playlist = {
'name': playlistName,
fileNames: fileNames,
id: shortid.generate(),
thumbnailURL: thumbnailURL,
type: type
};
if (req.isAuthenticated()) {
auth_api.addPlaylist(req.user.uid, new_playlist, type);
} else {
db.get(`playlists.${type}`)
.push(new_playlist)
.write();
}
res.send({
new_playlist: new_playlist,
success: !!new_playlist // always going to be true
})
});
app.post('/api/getPlaylist', optionalJwt, async (req, res) => {
let playlistID = req.body.playlistID;
let type = req.body.type;
let uuid = req.body.uuid;
let playlist = null;
if (req.isAuthenticated()) {
playlist = auth_api.getUserPlaylist(uuid ? uuid : req.user.uid, playlistID, type);
type = playlist.type;
} else {
if (!type) {
playlist = db.get('playlists.audio').find({id: playlistID}).value();
if (!playlist) {
playlist = db.get('playlists.video').find({id: playlistID}).value();
if (playlist) type = 'video';
} else {
type = 'audio';
}
}
if (!playlist) playlist = db.get(`playlists.${type}`).find({id: playlistID}).value();
}
res.send({
playlist: playlist,
type: type,
success: !!playlist
});
});
app.post('/api/updatePlaylist', optionalJwt, async (req, res) => {
let playlistID = req.body.playlistID;
let fileNames = req.body.fileNames;
let type = req.body.type;
let success = false;
try {
if (req.isAuthenticated()) {
auth_api.updatePlaylist(req.user.uid, playlistID, fileNames, type);
} else {
db.get(`playlists.${type}`)
.find({id: playlistID})
.assign({fileNames: fileNames})
.write();
}
success = true;
} catch(e) {
logger.error(`Failed to find playlist with ID ${playlistID}`);
}
res.send({
success: success
})
});
app.post('/api/deletePlaylist', optionalJwt, async (req, res) => {
let playlistID = req.body.playlistID;
let type = req.body.type;
let success = null;
try {
if (req.isAuthenticated()) {
auth_api.removePlaylist(req.user.uid, playlistID, type);
} else {
// removes playlist from playlists
db.get(`playlists.${type}`)
.remove({id: playlistID})
.write();
}
success = true;
} catch(e) {
success = false;
}
res.send({
success: success
})
});
// deletes mp3 file
app.post('/api/deleteMp3', optionalJwt, async (req, res) => {
// var name = req.body.name;
var uid = req.body.uid;
var blacklistMode = req.body.blacklistMode;
if (req.isAuthenticated()) {
let success = auth_api.deleteUserFile(req.user.uid, uid, 'audio', blacklistMode);
res.send(success);
return;
}
var audio_obj = db.get('files.audio').find({uid: uid}).value();
var name = audio_obj.id;
var fullpath = audioFolderPath + name + ".mp3";
var wasDeleted = false;
if (fs.existsSync(fullpath))
{
deleteAudioFile(name, blacklistMode);
db.get('files.audio').remove({uid: uid}).write();
wasDeleted = true;
res.send(wasDeleted);
res.end("yes");
} else if (audio_obj) {
db.get('files.audio').remove({uid: uid}).write();
wasDeleted = true;
res.send(wasDeleted);
} else {
wasDeleted = false;
res.send(wasDeleted);
}
});
// deletes mp4 file
app.post('/api/deleteMp4', optionalJwt, async (req, res) => {
var uid = req.body.uid;
var blacklistMode = req.body.blacklistMode;
if (req.isAuthenticated()) {
let success = auth_api.deleteUserFile(req.user.uid, uid, 'video', blacklistMode);
res.send(success);
return;
}
var video_obj = db.get('files.video').find({uid: uid}).value();
var name = video_obj.id;
var fullpath = videoFolderPath + name + ".mp4";
var wasDeleted = false;
if (fs.existsSync(fullpath))
{
wasDeleted = await deleteVideoFile(name, null, blacklistMode);
db.get('files.video').remove({uid: uid}).write();
// wasDeleted = true;
res.send(wasDeleted);
res.end("yes");
} else if (video_obj) {
db.get('files.video').remove({uid: uid}).write();
wasDeleted = true;
res.send(wasDeleted);
} else {
wasDeleted = false;
res.send(wasDeleted);
res.end("yes");
}
});
app.post('/api/downloadFile', optionalJwt, async (req, res) => {
let fileNames = req.body.fileNames;
let zip_mode = req.body.zip_mode;
let type = req.body.type;
let outputName = req.body.outputName;
let fullPathProvided = req.body.fullPathProvided;
let subscriptionName = req.body.subscriptionName;
let subscriptionPlaylist = req.body.subPlaylist;
let file = null;
if (!zip_mode) {
fileNames = decodeURIComponent(fileNames);
const is_audio = type === 'audio';
const fileFolderPath = is_audio ? audioFolderPath : videoFolderPath;
const ext = is_audio ? '.mp3' : '.mp4';
let base_path = fileFolderPath;
let usersFileFolder = null;
if (req.isAuthenticated()) {
usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
base_path = path.join(usersFileFolder, req.user.uid, type);
}
if (!subscriptionName) {
file = path.join(__dirname, base_path, fileNames + ext);
} else {
let basePath = null;
if (usersFileFolder)
basePath = path.join(usersFileFolder, req.user.uid, 'subscriptions');
else
basePath = config_api.getConfigItem('ytdl_subscriptions_base_path');
file = path.join(__dirname, basePath, (subscriptionPlaylist === 'true' ? 'playlists' : 'channels'), subscriptionName, fileNames + '.mp4')
}
} else {
for (let i = 0; i < fileNames.length; i++) {
fileNames[i] = decodeURIComponent(fileNames[i]);
}
file = await createPlaylistZipFile(fileNames, type, outputName, fullPathProvided);
}
res.sendFile(file, function (err) {
if (err) {
logger.error(err);
} else if (fullPathProvided) {
try {
fs.unlinkSync(file);
} catch(e) {
logger.error("Failed to remove file", file);
}
}
});
});
app.post('/api/deleteFile', async (req, res) => {
let fileName = req.body.fileName;
let type = req.body.type;
if (type === 'audio') {
deleteAudioFile(fileName);
} else if (type === 'video') {
deleteVideoFile(fileName);
}
res.send({});
});
app.post('/api/downloadArchive', async (req, res) => {
let sub = req.body.sub;
let archive_dir = sub.archive;
let full_archive_path = path.join(__dirname, archive_dir, 'archive.txt');
if (fs.existsSync(full_archive_path)) {
res.sendFile(full_archive_path);
} else {
res.sendStatus(404);
}
});
// Updater API calls
app.get('/api/updaterStatus', async (req, res) => {
let status = updaterStatus;
if (status) {
res.send(updaterStatus);
} else {
res.sendStatus(404);
}
});
app.post('/api/updateServer', async (req, res) => {
let tag = req.body.tag;
updateServer(tag);
res.send({
success: true
});
});
// Pin API calls
app.post('/api/isPinSet', async (req, res) => {
let stored_pin = db.get('pin_md5').value();
let is_set = false;
if (!stored_pin || stored_pin.length === 0) {
} else {
is_set = true;
}
res.send({
is_set: is_set
});
});
app.post('/api/setPin', async (req, res) => {
let unhashed_pin = req.body.pin;
let hashed_pin = md5(unhashed_pin);
db.set('pin_md5', hashed_pin).write();
res.send({
success: true
});
});
app.post('/api/checkPin', async (req, res) => {
let input_pin = req.body.input_pin;
let input_pin_md5 = md5(input_pin);
let stored_pin = db.get('pin_md5').value();
let successful = false;
if (input_pin_md5 === stored_pin) {
successful = true;
}
res.send({
success: successful
});
});
// API Key API calls
app.post('/api/generateNewAPIKey', function (req, res) {
const new_api_key = uuid();
config_api.setConfigItem('ytdl_api_key', new_api_key);
res.send({new_api_key: new_api_key});
});
// Streaming API calls
app.get('/api/video/:id', optionalJwt, function(req , res){
var head;
let optionalParams = url_api.parse(req.url,true).query;
let id = decodeURIComponent(req.params.id);
let file_path = videoFolderPath + id + '.mp4';
if (req.isAuthenticated() || req.can_watch) {
let usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
if (optionalParams['subName']) {
const isPlaylist = optionalParams['subPlaylist'];
file_path = path.join(usersFileFolder, req.user.uid, 'subscriptions', (isPlaylist === 'true' ? 'playlists/' : 'channels/'),optionalParams['subName'], id + '.mp4')
} else {
file_path = path.join(usersFileFolder, req.query.uuid ? req.query.uuid : req.user.uid, 'video', id + '.mp4');
}
} else if (optionalParams['subName']) {
let basePath = config_api.getConfigItem('ytdl_subscriptions_base_path');
const isPlaylist = optionalParams['subPlaylist'];
basePath += (isPlaylist === 'true' ? 'playlists/' : 'channels/');
file_path = basePath + optionalParams['subName'] + '/' + id + '.mp4';
}
const stat = fs.statSync(file_path)
const fileSize = stat.size
const range = req.headers.range
if (range) {
const parts = range.replace(/bytes=/, "").split("-")
const start = parseInt(parts[0], 10)
const end = parts[1]
? parseInt(parts[1], 10)
: fileSize-1
const chunksize = (end-start)+1
const file = fs.createReadStream(file_path, {start, end})
if (config_api.descriptors[id]) config_api.descriptors[id].push(file);
else config_api.descriptors[id] = [file];
file.on('close', function() {
let index = config_api.descriptors[id].indexOf(file);
config_api.descriptors[id].splice(index, 1);
logger.debug('Successfully closed stream and removed file reference.');
});
head = {
'Content-Range': `bytes ${start}-${end}/${fileSize}`,
'Accept-Ranges': 'bytes',
'Content-Length': chunksize,
'Content-Type': 'video/mp4',
}
res.writeHead(206, head);
file.pipe(res);
} else {
head = {
'Content-Length': fileSize,
'Content-Type': 'video/mp4',
}
res.writeHead(200, head)
fs.createReadStream(file_path).pipe(res)
}
});
app.get('/api/audio/:id', optionalJwt, function(req , res){
var head;
let id = decodeURIComponent(req.params.id);
let file_path = "audio/" + id + '.mp3';
if (req.isAuthenticated()) {
let usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
file_path = path.join(usersFileFolder, req.user.name, 'audio', id + '.mp3');
}
file_path = file_path.replace(/\"/g, '\'');
const stat = fs.statSync(file_path)
const fileSize = stat.size
const range = req.headers.range
if (range) {
const parts = range.replace(/bytes=/, "").split("-")
const start = parseInt(parts[0], 10)
const end = parts[1]
? parseInt(parts[1], 10)
: fileSize-1
const chunksize = (end-start)+1
const file = fs.createReadStream(file_path, {start, end});
if (config_api.descriptors[id]) config_api.descriptors[id].push(file);
else config_api.descriptors[id] = [file];
file.on('close', function() {
let index = config_api.descriptors[id].indexOf(file);
config_api.descriptors[id].splice(index, 1);
logger.debug('Successfully closed stream and removed file reference.');
});
head = {
'Content-Range': `bytes ${start}-${end}/${fileSize}`,
'Accept-Ranges': 'bytes',
'Content-Length': chunksize,
'Content-Type': 'audio/mp3',
}
res.writeHead(206, head);
file.pipe(res);
} else {
head = {
'Content-Length': fileSize,
'Content-Type': 'audio/mp3',
}
res.writeHead(200, head)
fs.createReadStream(file_path).pipe(res)
}
});
// Downloads management
app.get('/api/downloads', async (req, res) => {
res.send({downloads: downloads});
});
app.post('/api/download', async (req, res) => {
var session_id = req.body.session_id;
var download_id = req.body.download_id;
let found_download = null;
// find download
if (downloads[session_id] && Object.keys(downloads[session_id])) {
let session_downloads = Object.values(downloads[session_id]);
for (let i = 0; i < session_downloads.length; i++) {
let session_download = session_downloads[i];
if (session_download && session_download['ui_uid'] === download_id) {
found_download = session_download;
break;
}
}
}
if (found_download) {
res.send({download: found_download});
} else {
res.send({download: null});
}
});
app.post('/api/clearDownloads', async (req, res) => {
let success = false;
var delete_all = req.body.delete_all;
if (!req.body.session_id) req.body.session_id = 'undeclared';
var session_id = req.body.session_id;
var download_id = req.body.download_id;
if (delete_all) {
// delete all downloads
downloads = {};
success = true;
} else if (download_id) {
// delete just 1 download
if (downloads[session_id][download_id]) {
delete downloads[session_id][download_id];
success = true;
} else if (!downloads[session_id]) {
logger.error(`Session ${session_id} has no downloads.`)
} else if (!downloads[session_id][download_id]) {
logger.error(`Download '${download_id}' for session '${session_id}' could not be found`);
}
} else if (session_id) {
// delete a session's downloads
if (downloads[session_id]) {
delete downloads[session_id];
success = true;
} else {
logger.error(`Session ${session_id} has no downloads.`)
}
}
updateDownloads();
res.send({success: success, downloads: downloads});
});
app.post('/api/getVideoInfos', async (req, res) => {
let fileNames = req.body.fileNames;
let urlMode = !!req.body.urlMode;
let type = req.body.type;
let result = null;
if (!urlMode) {
if (type === 'audio') {
result = getAudioInfos(fileNames)
} else if (type === 'video') {
result = getVideoInfos(fileNames);
}
} else {
result = await getUrlInfos(fileNames);
}
res.send({
result: result,
success: !!result
})
});
// user authentication
app.post('/api/auth/register'
, optionalJwt
, auth_api.registerUser);
app.post('/api/auth/login'
, auth_api.passport.authenticate('local', {})
, auth_api.passport.authorize('local')
, auth_api.generateJWT
, auth_api.returnAuthResponse
);
app.post('/api/auth/jwtAuth'
, auth_api.passport.authenticate('jwt', { session: false })
, auth_api.passport.authorize('jwt')
, auth_api.generateJWT
, auth_api.returnAuthResponse
);
app.post('/api/auth/changePassword', optionalJwt, async (req, res) => {
let user_uid = req.user.uid;
let password = req.body.new_password;
let success = await auth_api.changeUserPassword(user_uid, password);
res.send({success: success});
});
app.post('/api/auth/adminExists', async (req, res) => {
let exists = auth_api.adminExists();
res.send({exists: exists});
});
// user management
app.post('/api/getUsers', optionalJwt, async (req, res) => {
let users = users_db.get('users').value();
res.send({users: users});
});
app.post('/api/getRoles', optionalJwt, async (req, res) => {
let roles = users_db.get('roles').value();
res.send({roles: roles});
});
app.post('/api/changeUser', optionalJwt, async (req, res) => {
let change_obj = req.body.change_object;
try {
const user_db_obj = users_db.get('users').find({uid: change_obj.uid});
if (change_obj.name) {
user_db_obj.assign({name: change_obj.name}).write();
}
if (change_obj.role) {
user_db_obj.assign({role: change_obj.role}).write();
}
res.send({success: true});
} catch (err) {
logger.error(err);
res.send({success: false});
}
});
app.post('/api/deleteUser', optionalJwt, async (req, res) => {
let uid = req.body.uid;
try {
let usersFileFolder = config_api.getConfigItem('ytdl_users_base_path');
const user_folder = path.join(__dirname, usersFileFolder, uid);
const user_db_obj = users_db.get('users').find({uid: uid});
if (user_db_obj.value()) {
// user exists, let's delete
deleteFolderRecursive(user_folder);
users_db.get('users').remove({uid: uid}).write();
}
res.send({success: true});
} catch (err) {
logger.error(err);
res.send({success: false});
}
});
app.post('/api/changeUserPermissions', optionalJwt, async (req, res) => {
const user_uid = req.body.user_uid;
const permission = req.body.permission;
const new_value = req.body.new_value;
if (!permission || !new_value) {
res.sendStatus(400);
return;
}
const success = auth_api.changeUserPermissions(user_uid, permission, new_value);
res.send({success: success});
});
app.post('/api/changeRolePermissions', optionalJwt, async (req, res) => {
const role = req.body.role;
const permission = req.body.permission;
const new_value = req.body.new_value;
if (!permission || !new_value) {
res.sendStatus(400);
return;
}
const success = auth_api.changeRolePermissions(role, permission, new_value);
res.send({success: success});
});
app.use(function(req, res, next) {
//if the request is not html then move along
var accept = req.accepts('html', 'json', 'xml');
if (accept !== 'html') {
return next();
}
// if the request has a '.' assume that it's for a file, move along
var ext = path.extname(req.path);
if (ext !== '') {
return next();
}
let index_path = path.join(__dirname, 'public', 'index.html');
fs.createReadStream(index_path).pipe(res);
});
let public_dir = path.join(__dirname, 'public');
app.use(express.static(public_dir));