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Receivers: Added playlist support

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This commit is contained in:
Michael Hollister 2025-06-10 14:23:06 -05:00
parent 72d5c10918
commit 1afd421f7d
22 changed files with 1613 additions and 453 deletions
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112
receivers/common/web/NetworkService.ts
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@ -1,5 +1,6 @@
import { PlayMessage } from 'common/Packets';
import { streamingMediaTypes } from 'common/MimeTypes';
import { MediaCache } from './MediaCache';
import * as http from 'http';
import * as url from 'url';
import { AddressInfo } from 'modules/ws';
@ -12,7 +13,7 @@ export class NetworkService {
static cert: string = null;
static proxyServer: http.Server;
static proxyServerAddress: AddressInfo;
static proxiedFiles: Map<string, { url: string, headers: { [key: string]: string } }> = new Map();
static proxiedFiles: Map<string, PlayMessage> = new Map();
private static setupProxyServer(): Promise<void> {
return new Promise<void>((resolve, reject) => {
@ -32,40 +33,79 @@ export class NetworkService {
return;
}
const omitHeaders = new Set([
'host',
'connection',
'keep-alive',
'proxy-authenticate',
'proxy-authorization',
'te',
'trailers',
'transfer-encoding',
'upgrade'
]);
if (proxyInfo.url.startsWith('app://')) {
let start: number = 0;
let end: number = null;
const contentSize = MediaCache.getInstance().getObjectSize(proxyInfo.url);
if (req.headers.range) {
const range = req.headers.range.slice(6).split('-');
start = (range.length > 0) ? parseInt(range[0]) : 0;
end = (range.length > 1) ? parseInt(range[1]) : null;
}
const filteredHeaders = Object.fromEntries(Object.entries(req.headers)
.filter(([key]) => !omitHeaders.has(key.toLowerCase()))
.map(([key, value]) => [key, Array.isArray(value) ? value.join(', ') : value]));
logger.debug(`Fetching byte range from cache: start=${start}, end=${end}`);
const stream = MediaCache.getInstance().getObject(proxyInfo.url, start, end);
let responseCode = null;
let responseHeaders = null;
const parsedUrl = url.parse(proxyInfo.url);
const options: http.RequestOptions = {
... parsedUrl,
method: req.method,
headers: { ...filteredHeaders, ...proxyInfo.headers }
};
if (start != 0) {
responseCode = 206;
responseHeaders = {
'Accept-Ranges': 'bytes',
'Content-Length': contentSize - start,
'Content-Range': `bytes ${start}-${end ? end : contentSize - 1}/${contentSize}`,
'Content-Type': proxyInfo.container,
};
}
else {
responseCode = 200;
responseHeaders = {
'Accept-Ranges': 'bytes',
'Content-Length': contentSize,
'Content-Type': proxyInfo.container,
};
}
const proxyReq = http.request(options, (proxyRes) => {
res.writeHead(proxyRes.statusCode, proxyRes.headers);
proxyRes.pipe(res, { end: true });
});
logger.debug(`Serving content ${proxyInfo.url} with response headers:`, responseHeaders);
res.writeHead(responseCode, responseHeaders);
stream.pipe(res);
}
else {
const omitHeaders = new Set([
'host',
'connection',
'keep-alive',
'proxy-authenticate',
'proxy-authorization',
'te',
'trailers',
'transfer-encoding',
'upgrade'
]);
req.pipe(proxyReq, { end: true });
proxyReq.on('error', (e) => {
logger.error(`Problem with request: ${e.message}`);
res.writeHead(500);
res.end();
});
const filteredHeaders = Object.fromEntries(Object.entries(req.headers)
.filter(([key]) => !omitHeaders.has(key.toLowerCase()))
.map(([key, value]) => [key, Array.isArray(value) ? value.join(', ') : value]));
const parsedUrl = url.parse(proxyInfo.url);
const options: http.RequestOptions = {
... parsedUrl,
method: req.method,
headers: { ...filteredHeaders, ...proxyInfo.headers }
};
const proxyReq = http.request(options, (proxyRes) => {
res.writeHead(proxyRes.statusCode, proxyRes.headers);
proxyRes.pipe(res, { end: true });
});
req.pipe(proxyReq, { end: true });
proxyReq.on('error', (e) => {
logger.error(`Problem with request: ${e.message}`);
res.writeHead(500);
res.end();
});
}
});
NetworkService.proxyServer.on('error', e => {
reject(e);
@ -82,20 +122,20 @@ export class NetworkService {
}
static async proxyPlayIfRequired(message: PlayMessage): Promise<PlayMessage> {
if (message.headers && message.url && !streamingMediaTypes.find(v => v === message.container.toLocaleLowerCase())) {
return { ...message, url: await NetworkService.proxyFile(message.url, message.headers) };
if (message.url && (message.url.startsWith('app://') || (message.headers && !streamingMediaTypes.find(v => v === message.container.toLocaleLowerCase())))) {
return { ...message, url: await NetworkService.proxyFile(message) };
}
return message;
}
static async proxyFile(url: string, headers: { [key: string]: string }): Promise<string> {
static async proxyFile(message: PlayMessage): Promise<string> {
if (!NetworkService.proxyServer) {
await NetworkService.setupProxyServer();
}
const proxiedUrl = `http://127.0.0.1:${NetworkService.proxyServerAddress.port}/${uuidv4()}`;
logger.info("Proxied url", { proxiedUrl, url, headers });
NetworkService.proxiedFiles.set(proxiedUrl, { url: url, headers: headers });
logger.info("Proxied url", { proxiedUrl, message });
NetworkService.proxiedFiles.set(proxiedUrl, message);
return proxiedUrl;
}
}