306 lines
14 KiB
PHP
306 lines
14 KiB
PHP
<?php
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/**
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* config.php
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* -----------
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* Single source of truth for the whole site. Reads a local `.env` file and
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* merges it over sensible defaults so the project works out of the box and can
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* be fully re-skinned for any station without touching PHP.
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*
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* Nothing secret should live in this file — put secrets (Genius token, etc.)
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* in `.env`, which is gitignored. See `.env.example` for every supported key.
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*/
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if (!defined('RADIO_CONFIG_LOADED')) {
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define('RADIO_CONFIG_LOADED', true);
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/* -------------------------------------------------------------------- */
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/* Load .env */
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/* -------------------------------------------------------------------- */
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/**
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* Minimal, predictable .env parser. We deliberately avoid parse_ini_file:
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* its RAW scanner keeps the surrounding quotes, and its NORMAL scanner
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* rewrites bare words like true/false/none — which would silently undo a
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* user setting FEATURE=false. This parser just does: skip comments/blank
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* lines and an optional [section] header, split on the first "=", strip one
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* layer of matching quotes, and otherwise keep the value verbatim.
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*/
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function radio_parse_env($path) {
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$out = [];
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$lines = @file($path, FILE_IGNORE_NEW_LINES);
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if ($lines === false) return $out;
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foreach ($lines as $line) {
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$trim = trim($line);
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if ($trim === '' || $trim[0] === '#' || $trim[0] === ';') continue;
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if ($trim[0] === '[' && substr($trim, -1) === ']') continue; // [section]
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$eq = strpos($line, '=');
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if ($eq === false) continue;
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$key = trim(substr($line, 0, $eq));
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if ($key === '') continue;
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$val = ltrim(substr($line, $eq + 1));
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if ($val !== '' && ($val[0] === '"' || $val[0] === "'")) {
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$q = $val[0];
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$end = strpos($val, $q, 1);
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$val = ($end === false) ? substr($val, 1) : substr($val, 1, $end - 1);
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} else {
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// Strip an inline comment introduced by " #" or " ;".
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foreach ([' #', ' ;'] as $c) {
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$p = strpos($val, $c);
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if ($p !== false) $val = substr($val, 0, $p);
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}
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$val = rtrim($val);
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}
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$out[$key] = $val;
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}
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return $out;
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}
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$GLOBALS['__RADIO_ENV'] = [];
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$envPath = __DIR__ . '/.env';
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if (is_file($envPath)) {
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$GLOBALS['__RADIO_ENV'] = radio_parse_env($envPath);
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}
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/**
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* Read a raw string value from the environment / .env.
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*/
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function radio_env_raw($key, $default = null) {
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if (array_key_exists($key, $GLOBALS['__RADIO_ENV'])) {
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return $GLOBALS['__RADIO_ENV'][$key];
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}
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$v = getenv($key);
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return ($v === false) ? $default : $v;
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}
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/** Read a string, trimming surrounding whitespace. */
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function radio_env($key, $default = '') {
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$v = radio_env_raw($key, null);
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if ($v === null || $v === '') return $default;
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return trim($v);
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}
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/** Read a boolean. Accepts 1/true/yes/on (case-insensitive). */
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function radio_env_bool($key, $default = false) {
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$v = radio_env_raw($key, null);
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if ($v === null || $v === '') return $default;
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return in_array(strtolower(trim($v)), ['1', 'true', 'yes', 'on'], true);
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}
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/** Read an integer with a floor. */
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function radio_env_int($key, $default = 0, $min = null) {
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$v = radio_env_raw($key, null);
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$n = ($v === null || $v === '') ? $default : (int) $v;
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if ($min !== null && $n < $min) $n = $min;
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return $n;
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}
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/* -------------------------------------------------------------------- */
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/* Build the config array */
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/* -------------------------------------------------------------------- */
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$config = [
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// ---- Branding & metadata --------------------------------------
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'site' => [
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'name' => radio_env('SITE_NAME', 'My Radio'),
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'short_name' => radio_env('SITE_SHORT_NAME', radio_env('SITE_NAME', 'My Radio')),
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'tagline' => radio_env('SITE_TAGLINE', 'Streaming 24/7'),
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'description' => radio_env('SITE_DESCRIPTION', 'Listen to my internet radio station 24/7.'),
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'keywords' => radio_env('SITE_KEYWORDS', 'radio, internet radio, music, live stream'),
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'url' => rtrim(radio_env('SITE_URL', ''), '/') . '/',
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'locale' => radio_env('SITE_LOCALE', 'en_US'),
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'lang' => radio_env('SITE_LANG', 'en'),
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'author' => radio_env('SITE_AUTHOR', ''),
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],
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// ---- SEO / icons ----------------------------------------------
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'seo' => [
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'og_image' => radio_env('OG_IMAGE', ''), // absolute URL or path
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'og_width' => radio_env('OG_IMAGE_WIDTH', ''),
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'og_height' => radio_env('OG_IMAGE_HEIGHT', ''),
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'icons_dir' => rtrim(radio_env('ICONS_DIR', 'assets/icons'), '/'),
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'show_icons' => radio_env_bool('SHOW_ICONS', true),
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'theme_color' => radio_env('THEME_COLOR', radio_env('THEME_ACCENT', '#e21d31')),
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'tile_color' => radio_env('TILE_COLOR', radio_env('THEME_COLOR', '#5e656e')),
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],
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// ---- Stream & now-playing -------------------------------------
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'stream' => [
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'url' => radio_env('STREAM_URL', ''), // <audio> source
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'type' => radio_env('STREAM_TYPE', 'audio/mpeg'),
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],
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// ---- Offline fallback -----------------------------------------
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// Shown/played when the now-playing provider reports the stream is
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// offline. The fallback audio loops like a "be right back" bed.
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'offline' => [
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'stream_url' => radio_env('OFFLINE_STREAM_URL', ''), // e.g. assets/audio/offline.mp3
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'stream_type' => radio_env('OFFLINE_STREAM_TYPE', 'audio/mpeg'),
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'art' => radio_env('OFFLINE_ART', 'assets/img/offline.svg'),
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'name' => radio_env('OFFLINE_NAME', 'Off air'),
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'message' => radio_env('OFFLINE_MESSAGE', ''),
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'loop' => radio_env_bool('OFFLINE_LOOP', true),
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],
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'nowplaying' => [
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// provider: icecast | azuracast | shoutcast | custom
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'provider' => strtolower(radio_env('NOWPLAYING_PROVIDER', 'icecast')),
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// URL the *server* fetches (may be an internal address).
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'url' => radio_env('NOWPLAYING_URL', ''),
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'mount' => radio_env('ICECAST_MOUNT', ''), // optional, picks a source
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'delimiter' => radio_env_raw('TITLE_DELIMITER', ' - '), // splits "Artist<delim>Title"
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'poll' => radio_env_int('NOWPLAYING_POLL_SECONDS', 10, 3),
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'timeout' => radio_env_int('NOWPLAYING_TIMEOUT', 5, 1),
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// Strings/patterns stripped from the title (e.g. " (Remastered)").
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// Separate entries with "||". Set CLEANUP_IS_REGEX=true to treat
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// each entry as a case-insensitive regex.
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'cleanup' => array_values(array_filter(array_map('trim',
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explode('||', radio_env('TITLE_CLEANUP', ''))), 'strlen')),
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'cleanup_is_regex' => radio_env_bool('CLEANUP_IS_REGEX', false),
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// custom-provider JSON field paths (dot notation, arrays allowed: a.b.0.c)
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'custom' => [
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'artist' => radio_env('CUSTOM_ARTIST_PATH', ''),
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'title' => radio_env('CUSTOM_TITLE_PATH', ''),
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'album' => radio_env('CUSTOM_ALBUM_PATH', ''),
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'art' => radio_env('CUSTOM_ART_PATH', ''),
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'listeners' => radio_env('CUSTOM_LISTENERS_PATH', ''),
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// If you only have a combined "Artist - Title" field, set this
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// instead of artist/title and it will be split on the delimiter.
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'title_combined' => radio_env('CUSTOM_TITLE_COMBINED_PATH', ''),
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],
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],
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// ---- Artwork & lyrics -----------------------------------------
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'artwork' => [
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// source: auto | provider | genius | none
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// auto = provider art if present, else Genius (if configured), else fallback
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// provider = only use art the stream provider gives us
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// genius = always look art up on Genius
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// none = always use the fallback image
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'source' => strtolower(radio_env('ARTWORK_SOURCE', 'auto')),
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'fallback' => radio_env('FALLBACK_ART', 'assets/img/placeholder.svg'),
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// Optional Last.fm fallback when Genius has no cover.
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'lastfm_key' => radio_env('LASTFM_API_KEY', ''),
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],
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'lyrics' => [
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'enabled' => radio_env_bool('LYRICS_ENABLED', true),
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// Prefer the first English-language match on Genius (a few extra
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// API calls). Off by default.
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'prefer_english' => radio_env_bool('LYRICS_PREFER_ENGLISH', false),
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],
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'genius' => [
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// Base64-encoded Genius bearer token (kept for compatibility with
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// the original project). You can also set GENIUS_TOKEN as plain text.
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'token' => (function () {
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$b64 = radio_env('GENIUS_API_BASE64', '');
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if ($b64 !== '') {
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$decoded = base64_decode($b64, true);
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if ($decoded !== false) return trim($decoded);
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}
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return radio_env('GENIUS_TOKEN', '');
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})(),
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],
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// ---- Theme & colors -------------------------------------------
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'theme' => [
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'bg' => radio_env('THEME_BG', '#000000'),
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'bg_mobile' => radio_env('THEME_BG_MOBILE', '#262626'),
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'surface' => radio_env('THEME_SURFACE', '#1a1a1a'),
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'text' => radio_env('THEME_TEXT', '#ffffff'),
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'muted' => radio_env('THEME_MUTED', '#bfbfbf'),
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'accent' => radio_env('THEME_ACCENT', '#e21d31'),
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'accent_hover' => radio_env('THEME_ACCENT_HOVER', '#cf1b2d'),
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'accent_text' => radio_env('THEME_ACCENT_TEXT', '#000000'),
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'radius' => radio_env('THEME_RADIUS', '15px'),
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'font' => radio_env('THEME_FONT', 'Helvetica, Calibri, Tahoma, Verdana, Arial, sans-serif'),
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// Recolor the page background to the album art's average color,
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// switching text light/dark for contrast.
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'dynamic_bg' => radio_env_bool('THEME_DYNAMIC_BG', true),
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],
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// ---- Player ---------------------------------------------------
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'player' => [
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// rich = custom play/pause + seek/volume/time; simple = native <audio controls>
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'style' => strtolower(radio_env('PLAYER_STYLE', 'rich')),
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'autoplay' => radio_env_bool('PLAYER_AUTOPLAY', false),
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// Show OS/lock-screen media controls via the MediaSession API.
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'mediasession' => radio_env_bool('MEDIASESSION', true),
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// Swap the OpenGraph image + favicon to the current album art.
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'dynamic_meta' => radio_env_bool('DYNAMIC_META', true),
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],
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// ---- Listeners / extras ---------------------------------------
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'features' => [
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'show_listeners' => radio_env_bool('SHOW_LISTENERS', true),
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'listeners_link' => radio_env('LISTENERS_LINK', ''), // optional external URL
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'show_history' => radio_env_bool('SHOW_HISTORY', true),
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],
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// ---- Analytics (optional) -------------------------------------
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'analytics' => [
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'matomo_url' => radio_env('MATOMO_URL', ''),
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'matomo_site_id' => radio_env('MATOMO_SITE_ID', ''),
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],
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// ---- Runtime --------------------------------------------------
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'runtime' => [
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'timezone' => radio_env('TIMEZONE', 'UTC'),
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'debug' => radio_env_bool('DEBUG', false),
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'show_errors' => radio_env_bool('SHOW_ERRORS', false),
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],
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];
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$GLOBALS['__RADIO_CONFIG'] = $config;
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date_default_timezone_set($config['runtime']['timezone']);
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}
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/** Return the whole config array. */
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function config() {
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return $GLOBALS['__RADIO_CONFIG'];
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}
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/** Dot-path getter into the config array: cfg('theme.accent'). */
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function cfg($path, $default = null) {
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$node = $GLOBALS['__RADIO_CONFIG'];
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foreach (explode('.', $path) as $key) {
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if (is_array($node) && array_key_exists($key, $node)) {
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$node = $node[$key];
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} else {
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return $default;
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}
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}
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return $node;
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}
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/** HTML-escape helper. */
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function e($str) {
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return htmlspecialchars((string) $str, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
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}
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/**
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* The subset of config that is safe and useful to expose to the browser.
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* Emitted as `window.RADIO_CONFIG` by the page.
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*/
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function radio_client_config() {
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$artworkAvailable = cfg('genius.token') !== '' || cfg('artwork.lastfm_key') !== '';
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return [
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'pollSeconds' => cfg('nowplaying.poll'),
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'artworkSource' => cfg('artwork.source'),
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'artworkLookup' => $artworkAvailable && !in_array(cfg('artwork.source'), ['none', 'provider'], true),
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'fallbackArt' => cfg('artwork.fallback'),
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'lyricsEnabled' => cfg('lyrics.enabled') && cfg('genius.token') !== '',
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'showListeners' => cfg('features.show_listeners'),
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'showHistory' => cfg('features.show_history'),
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'listenersLink' => cfg('features.listeners_link'),
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'playerStyle' => cfg('player.style'),
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'autoplay' => cfg('player.autoplay'),
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'dynamicBg' => cfg('theme.dynamic_bg'),
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'mediaSession' => cfg('player.mediasession'),
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'dynamicMeta' => cfg('player.dynamic_meta'),
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'siteName' => cfg('site.name'),
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'tagline' => cfg('site.tagline'),
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'offlineStreamUrl' => cfg('offline.stream_url'),
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'offlineArt' => cfg('offline.art'),
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'offlineName' => cfg('offline.name'),
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'offlineMessage' => cfg('offline.message'),
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'offlineLoop' => cfg('offline.loop'),
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];
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}
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