e0a60f7b64
- Implemented a new Player class in player.js to handle audio playback, including HLS support using hls.js. - Created a shared API module in api.js for making HTTP requests with proper error handling. - Added DOM utility functions in dom.js for creating and clearing elements. - Introduced WebSocket connection handling in ws.js for real-time updates. - Developed a comprehensive CSS stylesheet for styling the application, including a high-contrast theme.
69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
// Low-level stream probe.
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// Icecast/SHOUTcast servers commonly answer with `ICY 200 OK` instead of
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// `HTTP/1.1 200 OK`, which Node's built-in fetch refuses to parse. We open
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// a raw TCP/TLS socket, send a minimal HTTP/1.0 GET, and inspect the first
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// status line ourselves.
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import net from 'node:net';
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import tls from 'node:tls';
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const TIMEOUT = 8000;
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const UA = 'Mozilla/5.0 OnlineRadioExplorer/0.1';
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export function probeStream(rawUrl) {
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return new Promise((resolve) => {
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let url;
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try { url = new URL(rawUrl); } catch { return resolve('err-badurl'); }
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const isTls = url.protocol === 'https:';
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const port = Number(url.port) || (isTls ? 443 : 80);
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const path = (url.pathname || '/') + (url.search || '');
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const host = url.hostname;
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const opts = { host, port, servername: host };
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const connect = isTls ? tls.connect : net.connect;
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const sock = connect(opts);
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let settled = false;
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const finish = (status) => {
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if (settled) return;
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settled = true;
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try { sock.destroy(); } catch {}
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resolve(status);
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};
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sock.setTimeout(TIMEOUT);
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sock.on('timeout', () => finish('err-timeout'));
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sock.on('error', () => finish('err-fetch'));
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sock.on('connect', () => {
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const req =
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`GET ${path} HTTP/1.0\r\n` +
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`Host: ${host}\r\n` +
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`User-Agent: ${UA}\r\n` +
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`Icy-MetaData: 1\r\n` +
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`Accept: */*\r\n` +
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`Connection: close\r\n\r\n`;
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sock.write(req);
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});
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let buf = '';
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sock.on('data', (chunk) => {
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buf += chunk.toString('latin1');
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const eol = buf.indexOf('\n');
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if (eol < 0) return;
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const statusLine = buf.slice(0, eol).trim();
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// Accept: HTTP/1.x 2xx, ICY 2xx, SOURCE 2xx
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const m = statusLine.match(/^(?:HTTP\/\d\.\d|ICY|SOURCE)\s+(\d{3})/i);
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if (!m) return finish(`bad-${statusLine.slice(0, 16)}`);
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const code = Number(m[1]);
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if (code >= 200 && code < 400) finish('up');
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else finish(`http-${code}`);
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});
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sock.on('end', () => {
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if (!settled) finish(buf ? 'err-empty' : 'err-fetch');
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});
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});
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}
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