Son Goku

- Rebased sql, test, web, defintions, languages, INSTALL, and libs folders.

libs/rtmpserver/node_core_utils.js

@@ -0,0 +1,95 @@
+//
+//  Created by Mingliang Chen on 17/8/23.
+//  illuspas[a]gmail.com
+//  Copyright (c) 2018 Nodemedia. All rights reserved.
+//
+const Crypto = require('crypto');
+const EventEmitter = require('events');
+const { spawn } = require('child_process');
+const readline = require('readline');
+const context = require('./node_core_ctx');
+
+function generateNewSessionID() {
+  let sessionID = '';
+  const possible = 'ABCDEFGHIJKLMNOPQRSTUVWKYZ0123456789';
+  const numPossible = possible.length;
+  do {
+    for (let i = 0; i < 8; i++) {
+      sessionID += possible.charAt((Math.random() * numPossible) | 0);
+    }
+  } while (context.sessions.has(sessionID))
+  return sessionID;
+}
+
+function genRandomName() {
+  let name = '';
+  const possible = 'abcdefghijklmnopqrstuvwxyz0123456789';
+  const numPossible = possible.length;
+  for (let i = 0; i < 4; i++) {
+    name += possible.charAt((Math.random() * numPossible) | 0);
+  }
+
+  return name;
+}
+
+function verifyAuth(signStr, streamId, secretKey) {
+  if (signStr === undefined) {
+    return false;
+  }
+  let now = Date.now() / 1000 | 0;
+  let exp = parseInt(signStr.split('-')[0]);
+  let shv = signStr.split('-')[1];
+  let str = streamId + '-' + exp + '-' + secretKey;
+  if (exp < now) {
+    return false;
+  }
+  let md5 = Crypto.createHash('md5');
+  let ohv = md5.update(str).digest('hex');
+  return shv === ohv;
+}
+
+function getFFmpegVersion(ffpath) {
+  return new Promise((resolve, reject) => {
+    let ffmpeg_exec = spawn(ffpath, ['-version']);
+    let version = '';
+    ffmpeg_exec.on('error', (e) => {
+      reject(e);
+    });
+    ffmpeg_exec.stdout.on('data', (data) => {
+      try {
+        version = data.toString().split(/(?:\r\n|\r|\n)/g)[0].split('\ ')[2];
+      } catch (e) {
+      }
+    });
+    ffmpeg_exec.on('close', (code) => {
+      resolve(version);
+    });
+  });
+}
+
+function getFFmpegUrl() {
+  let url = '';
+  switch (process.platform) {
+    case 'darwin':
+      url = 'https://ffmpeg.zeranoe.com/builds/macos64/static/ffmpeg-latest-macos64-static.zip';
+      break;
+    case 'win32':
+      url = 'https://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-latest-win64-static.zip | https://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-latest-win32-static.zip';
+      break;
+    case 'linux':
+      url = 'https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz | https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-32bit-static.tar.xz';
+      break;
+    default:
+      url = 'http://ffmpeg.org/download.html';
+      break;
+  }
+  return url;
+}
+
+module.exports = {
+  generateNewSessionID,
+  verifyAuth,
+  genRandomName,
+  getFFmpegVersion,
+  getFFmpegUrl
+}