121 lines
5.8 KiB
TypeScript
121 lines
5.8 KiB
TypeScript
import * as NodeMediaServer from "node-media-server";
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import { mkdir, fstat, access } from "fs";
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import * as db from "./database";
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const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
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const { exec, execFile } = require('child_process');
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function init (mediaconfig: any, satyrconfig: any) {
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const nms = new NodeMediaServer(mediaconfig);
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nms.run();
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nms.on('postPublish', (id, StreamPath, args) => {
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console.log("[NodeMediaServer] Publish Hook for stream:",id);
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let session = nms.getSession(id);
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let app: string = StreamPath.split("/")[1];
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let key: string = StreamPath.split("/")[2];
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//disallow urls not formatted exactly right
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if (StreamPath.split("/").length !== 3){
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console.log("[NodeMediaServer] Malformed URL, closing connection for stream:",id);
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session.reject();
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return false;
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}
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if(app === satyrconfig.publicEndpoint) {
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if(session.ip.includes('127.0.0.1') || session.ip === '::1') {
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//only allow publish to public endpoint from localhost
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//this is NOT a comprehensive way of doing this, but I'm ignoring it
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//until satyr releases and someone opens an issue
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console.log("[NodeMediaServer] Local publish, stream:",`${id} ok.`);
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}
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else{
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console.log("[NodeMediaServer] Non-local Publish to public endpoint, rejecting stream:",id);
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session.reject();
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return false;
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}
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console.log("[NodeMediaServer] Public endpoint, checking record flag.");
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//set live flag
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db.query('update user_meta set live=true where username=\''+key+'\' limit 1');
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//if this stream is from the public endpoint, check if we should be recording
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return db.query('select username,record_flag from users where username=\''+key+'\' limit 1').then((results) => {
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if(results[0].record_flag && satyrconfig.record){
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console.log('[NodeMediaServer] Initiating recording for stream:',id);
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mkdir(satyrconfig.directory+'/'+satyrconfig.publicEndpoint+'/'+results[0].username, { recursive : true }, (err) => {
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if (err) throw err;
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let subprocess = exec('ffmpeg -i rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.publicEndpoint+'/'+results[0].username+' -vcodec copy -acodec copy '+satyrconfig.directory+'/'+satyrconfig.publicEndpoint+'/'+results[0].username+'/$(date +%d%b%Y-%H%M).mp4',{
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detached : true,
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stdio : 'inherit'
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});
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subprocess.unref();
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//spawn an ffmpeg process to record the stream, then detach it completely
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//ffmpeg can then (probably) finalize the recording if satyr crashes mid-stream
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});
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}
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else {
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console.log('[NodeMediaServer] Skipping recording for stream:',id);
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}
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return true;
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});
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}
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if(app !== satyrconfig.privateEndpoint){
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//app isn't at public endpoint if we've reached this point
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console.log("[NodeMediaServer] Wrong endpoint, rejecting stream:",id);
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session.reject();
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return false;
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}
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//if the url is formatted correctly and the user is streaming to the correct private endpoint
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//grab the username from the database and redirect the stream there if the key is valid
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//otherwise kill the session
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if(key.includes(' ')) {
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session.reject();
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return false;
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}
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db.query('select username from users where stream_key='+db.raw.escape(key)+' limit 1').then(async (results) => {
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if(results[0]){
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//push to rtmp
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exec('ffmpeg -analyzeduration 0 -i rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.privateEndpoint+'/'+key+' -vcodec copy -acodec copy -crf 18 -f flv rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.publicEndpoint+'/'+results[0].username);
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//push to mpd after making sure directory exists
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mkdir(satyrconfig.directory+'/'+satyrconfig.publicEndpoint+'/'+results[0].username, { recursive : true }, (err) => {;});
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sleep(5000).then( () => {
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//wait for stream to initialize, but i'm not happy about this
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exec('ffmpeg -y -i rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.privateEndpoint+'/'+key+' -map 0:2 -map 0:2 -map 0:2 -map 0:1 -c:a copy -c:v:0 copy -c:v:1 libx264 -c:v:2 libx264 -crf:1 33 -crf:2 40 -b:v:1 3000K -b:v:2 1500K -remove_at_exit 1 -seg_duration 1 -window_size 30 -f dash '+satyrconfig.directory+'/'+satyrconfig.publicEndpoint+'/'+results[0].username+'/index.mpd');
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});
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//switch to execFile at some point, it's safer
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//execFile('/usr/bin/ffmpeg',['-analyzeduration 0', '-i rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.privateEndpoint+'/'+key, '-vcodec copy', '-acodec copy', '-crf 18', '-f flv', 'rtmp://127.0.0.1:'+mediaconfig.rtmp.port+'/'+satyrconfig.publicEndpoint+'/'+results[0].username]);
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console.log('[NodeMediaServer] Stream key okay for stream:',id);
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}
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else{
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console.log('[NodeMediaServer] Invalid stream key for stream:',id);
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session.reject();
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}
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});
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});
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nms.on('donePublish', (id, StreamPath, args) => {
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let app: string = StreamPath.split("/")[1];
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let key: string = StreamPath.split("/")[2];
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if(app === satyrconfig.publicEndpoint) {
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db.query('update user_meta set live=false where username=\''+key+'\' limit 1');
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}
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});
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nms.on('prePlay', (id, StreamPath, args) => {
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let session = nms.getSession(id);
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let app: string = StreamPath.split("/")[1];
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let key: string = StreamPath.split("/")[2];
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//correctly formatted urls again
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if (StreamPath.split("/").length !== 3){
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console.log("[NodeMediaServer] Malformed URL, closing connection for stream:",id);
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session.reject();
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return false;
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}
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//disallow playing from the private endpoint for anyone except localhost
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//(this will be the ffmpeg instance redirecting the stream)
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if(app === satyrconfig.privateEndpoint) {
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if(session.ip.includes('127.0.0.1') || session.ip === '::1') {
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console.log("[NodeMediaServer] Local play, client:",`${id} ok.`);
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}
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else{
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console.log("[NodeMediaServer] Non-local Play from private endpoint, rejecting client:",id);
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session.reject();
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}
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}
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});
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}
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export { init }; |