initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..af3751c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,71 @@
+# User defined
+public/css
+public/img
+public/js
+public/*.ico
+public/*.html
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+# nano backup files
+*.swp

diff --git a/README.md b/README.md
new file mode 100644 (file)
index 0000000..76389e8
--- /dev/null
+++ b/README.md
@@ -0,0 +1,31 @@
+# YouTube Downloader (Server)
+
+A YouTube video downloading node.js server.
+
+## Getting started
+
+These instructions will get you a copy of the project up and running on your local
+machine.
+
+### Installing
+
+Get the project using git:
+
+```
+git clone https://binomiant.duckdns.org/MpqU9XX8/ytdl-server.git
+```
+
+Install required packages:
+
+```
+cd ytdl-server.git
+npm install
+```
+
+Now you can start the server:
+
+```
+npm start
+```
+
+To see debug information of express type `DEBUG=*` before the command, to see debug information of the application set the environment variable `LOGLEVEL=debug`.

diff --git a/app.js b/app.js
new file mode 100644 (file)
index 0000000..8fcccc7
--- /dev/null
+++ b/app.js
@@ -0,0 +1,22 @@
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+const cors = require('cors');
+
+const log = require('./lib/logger')(__filename.slice(__dirname.length + 1));
+const ver = 'v1'
+const indexRouter = require('./routes/' + ver + '/index');
+
+var app = express();
+
+app.use(cors());
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/' + ver, indexRouter);
+
+module.exports = app;

diff --git a/bin/ytdl b/bin/ytdl
new file mode 100755 (executable)
index 0000000..1b79ef2
--- /dev/null
+++ b/bin/ytdl
@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('ytdl-server:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

diff --git a/lib/logger.js b/lib/logger.js
new file mode 100644 (file)
index 0000000..c0f145e
--- /dev/null
+++ b/lib/logger.js
@@ -0,0 +1,67 @@
+const winston = require("winston");
+const dateformat = require("dateformat");
+
+const custom = {
+  levels: {
+    error: 5,
+    warn: 4,
+    info: 3,
+    todo: 2,
+    verbose: 1,
+    debug: 0
+  },
+  colors: {
+    error: 'red',
+    warn: 'yellow',
+    info: 'green',
+    todo: 'magenta',
+    verbose: 'blue',
+    debug: 'gray'
+  }
+};
+
+var level = "error";
+if (typeof process.env.LOGLEVEL != "undefined") {
+  level = process.env.LOGLEVEL;
+};
+
+winston.addColors(custom.colors);
+
+const logger = new (winston.Logger) ({
+  levels: custom.levels,
+  transports: [
+    new (winston.transports.Console) ({
+      level: level,
+//      timestamp() {
+//        var now = new Date();
+//        return dateformat(now, "HH:MM:ss.l");
+//      },
+      colorize: true
+    })
+  ]
+});
+
+module.exports = function(fileName) {
+  var myLogger = {
+    error: function(...args) {
+      logger.error('[' + fileName + ']', ...args);
+    },
+    warn: function(...args) {
+      logger.warn('[' + fileName + ']', ...args);
+    },
+    info: function(...args) {
+      logger.info('[' + fileName + ']', ...args);
+    },
+    todo: function(...args) {
+      logger.todo('[' + fileName + ']', ...args);
+    },
+    verbose: function(...args) {
+      logger.verbose('[' + fileName + ']', ...args);
+    },
+    debug: function(...args) {
+      logger.debug('[' + fileName + ']', ...args);
+    },
+  }
+
+  return myLogger
+}

diff --git a/lib/ytdl-test.js b/lib/ytdl-test.js
new file mode 100644 (file)
index 0000000..f8ff24d
--- /dev/null
+++ b/lib/ytdl-test.js
@@ -0,0 +1,12 @@
+const ytdl = require('./ytdl');
+const qStr = require('querystring');
+
+console.log('URL escaped:', qStr.escape('https://www.youtube.com/watch?v=B1hxhEfYAlY'));
+
+ytdl.download('https://www.youtube.com/watch?v=B1hxhEfYAlY')
+.then(data => {
+  console.log('Data:', data);
+})
+.catch(err => {
+  console.error('Error:', err);
+});

diff --git a/lib/ytdl.js b/lib/ytdl.js
new file mode 100644 (file)
index 0000000..195ea2b
--- /dev/null
+++ b/lib/ytdl.js
@@ -0,0 +1,66 @@
+const log = require('./logger')(__filename.slice(__dirname.length + 1));
+const ytdl = require('youtube-dl');
+const path = require('path');
+const fs = require('fs');
+const fsPromises = require('fs').promises;
+
+const dldir = path.join(__dirname, '../public/downloads');
+const params = [
+];
+const options = {
+  cwd: dldir
+};
+
+function download(url) {
+  return new Promise((resolve, reject) => {
+    const regex = /[.]mkv$/
+    fs.readdirSync(dldir + '/')
+      .filter(file => regex.test(file))
+      .map(file => fs.unlinkSync(dldir + '/' + file))
+
+    const writeStream = fs.createWriteStream(dldir + '/myvideo.mkv');
+    writeStream.on('error', err => {
+      log.error('An error occured while creating a file stream:', err);
+      reject(err);
+    });
+
+    var data;
+    const video = ytdl(url, params, options);
+
+    video.on('info', info => {
+      log.info('Got info');
+      data = {
+        filename: info.title + '.mkv',
+        thumbnail: info.thumbnail,
+      };
+    });
+
+    video.on('complete', info => {
+      log.info('Already downloaded');
+    });
+
+    video.on('end', () => {
+      log.info('Download finished');
+
+      fsPromises.rename(dldir + '/myvideo.mkv', dldir + '/' + data.filename)
+      .then(() => {
+        resolve(data);
+      })
+      .catch(err => {
+        log.error('An error occured while file renaming:', err);
+        reject(err);
+      });
+    });
+
+    video.on('error', err => {
+      log.error('An error occured while downloading:', err);
+      reject(err);
+    });
+
+    video.pipe(writeStream);
+  });
+}
+
+module.exports = {
+  download
+};

diff --git a/package-lock.json b/package-lock.json
new file mode 100644 (file)
index 0000000..fad9164
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1319 @@
+{
+  "name": "ytdl-server",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "accepts": {
+      "version": "1.3.7",
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+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
+    "ajv": {
+      "version": "6.12.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
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+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "array-find-index": {
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+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
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+      "resolved": "https://registry.npmjs.org/zero-fill/-/zero-fill-2.2.3.tgz",
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+}

diff --git a/package.json b/package.json
new file mode 100644 (file)
index 0000000..5e34302
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "ytdl-server",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "cookie-parser": "~1.4.4",
+    "cors": "^2.8.5",
+    "dateformat": "^1.0.11",
+    "debug": "~2.6.9",
+    "express": "~4.16.1",
+    "morgan": "~1.9.1",
+    "query-string": "^6.12.1",
+    "winston": "^1.1.2",
+    "youtube-dl": "^3.0.2"
+  }
+}

diff --git a/public/downloads/.gitignore b/public/downloads/.gitignore
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/routes/v1/index.js b/routes/v1/index.js
new file mode 100644 (file)
index 0000000..9a55d14
--- /dev/null
+++ b/routes/v1/index.js
@@ -0,0 +1,34 @@
+const express = require('express');
+const log = require('../../lib/logger')(__filename.slice(__dirname.length + 1));
+const qStr = require('querystring');
+const router = express.Router();
+const ytdl = require('../../lib/ytdl');
+
+/* Disables caching in client */
+function nocache(req, res, next) {
+  res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate');
+  res.header('Expires', '-1');  res.header('Pragma', 'no-cache');
+  next();
+}
+
+/* GET /vN/?url=... */
+router.get('/', nocache, function(req, res, next) {
+  if (typeof req.query.url == 'undefined') {
+    log.info('Bad request');
+    res.status(400).send();
+    return;
+  }
+
+       log.debug('YouTube URL:', qStr.unescape(req.query.url))
+  ytdl.download(qStr.unescape(req.query.url))
+  .then(data => {
+    log.debug('JSON data:', data);
+    res.json(data);
+  })
+  .catch(err => {
+    log.error('An error occured while downloading:', err);
+    res.status(500).send();
+  });
+});
+
+module.exports = router;