63 lines
2.4 KiB
PHP
63 lines
2.4 KiB
PHP
<?php
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// Shared Icecast helpers: fetching and parsing the current track, album art and Last.fm links.
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if (basename($_SERVER['SCRIPT_FILENAME'] ?? '') === basename(__FILE__)) {
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http_response_code(403);
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exit;
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}
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const ICECAST_STATUS_URL = 'https://radio.cyberpunklibrarian.nohost.me/status-json.xsl';
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// Undo double-encoding: strip the outer UTF-8 layer to recover the original correct UTF-8 byte sequence
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function decodeMetaField(array $stream, string $key): string {
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if (!isset($stream[$key]) || $stream[$key] === '') return '';
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return mb_convert_encoding($stream[$key], 'ISO-8859-1', 'UTF-8');
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}
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function httpGet(string $url) {
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$context = stream_context_create(['http' => ['timeout' => 10]]);
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return @file_get_contents($url, false, $context);
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}
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// Returns ['title', 'artist', 'album'] while streaming, null when offline,
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// or false when the status API could not be reached.
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function fetchCurrentTrack() {
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$response = httpGet(ICECAST_STATUS_URL);
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if ($response === false) return false;
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$data = json_decode($response, true);
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if (!isset($data['icestats']['source'])) return null;
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$source = $data['icestats']['source'];
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$currentStream = (!is_array($source) || isset($source['title'])) ? $source : $source[0];
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$raw = decodeMetaField($currentStream, 'title');
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$parts = array_map('trim', explode(' - ', $raw, 3));
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return [
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'title' => $parts[0] ?? '',
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'artist' => $parts[1] ?? '',
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'album' => $parts[2] ?? '',
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];
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}
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// Look up album art from iTunes Search API
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function lookupAlbumArt(string $artist, string $album): string {
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if ($artist === '' || $album === '') return '';
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$query = urlencode($artist . ' ' . $album);
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$itunesResponse = httpGet("https://itunes.apple.com/search?term={$query}&entity=album&media=music&limit=1");
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if ($itunesResponse === false) return '';
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$itunesData = json_decode($itunesResponse, true);
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if (empty($itunesData['results'][0]['artworkUrl100'])) return '';
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return str_replace('100x100bb', '400x400bb', $itunesData['results'][0]['artworkUrl100']);
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}
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function lastfmTrackUrl(string $artist, string $title): string {
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return 'https://www.last.fm/music/' . rawurlencode($artist) . '/_/' . rawurlencode($title);
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}
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function lastfmAlbumUrl(string $artist, string $album): string {
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return 'https://www.last.fm/music/' . rawurlencode($artist) . '/' . rawurlencode($album);
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}
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