sync.json (einmalig)
$legacyFile = __DIR__ . DIRECTORY_SEPARATOR . 'sync.txt';
if (!file_exists(STATE_FILE) && file_exists($legacyFile)) {
@rename($legacyFile, STATE_FILE);
}
// Songs-Ordner sicherstellen
if (!is_dir(SONGS_DIR)) { @mkdir(SONGS_DIR, 0775, true); }
// ----- Pfad-Helper -----
function norm_path($p) {
$r = realpath($p);
if ($r === false) return false;
$r = str_replace('\\', '/', $r);
if (DIRECTORY_SEPARATOR === '\\') $r = strtolower($r);
return rtrim($r, '/');
}
function is_path_inside($base, $path) {
$b = norm_path($base);
$p = norm_path($path);
if ($b === false || $p === false) return false;
return strpos($p, $b) === 0;
}
// ----- Datei lesen & UTF-8 -----
function read_file_utf8($path) {
$bin = @file_get_contents($path);
if ($bin === false) return '';
$bin = preg_replace("/^\xEF\xBB\xBF/", '', $bin);
return $bin;
}
// ----- .sng Parser -----
function parse_sng($path) {
$raw = read_file_utf8($path);
$lines = preg_split("/(\r\n|\r|\n)/", $raw);
$meta = [];
$sections = [];
$current = null;
$nonMetaAll = [];
foreach ($lines as $ln) {
$r = rtrim($ln, "\r\n");
if (preg_match('/^#(\w+)=(.*)$/', $r, $m)) { $meta[$m[1]] = $m[2]; continue; }
if (preg_match('/^\s*\[(.+?)\]\s*$/u', $r, $m)) {
if ($current) $sections[] = $current;
$current = ['name' => $m[1], 'text' => ''];
continue;
}
$nonMetaAll[] = $r;
if ($current) $current['text'] .= ($current['text'] === '' ? '' : "\n") . $r;
}
if ($current) $sections[] = $current;
if (!$sections) {
$body = trim(implode("\n", $nonMetaAll));
$sections = [['name' => $meta['Title'] ?? basename($path, '.sng'), 'text' => $body]];
}
foreach ($sections as &$s) {
$normalized = str_replace("\r", '', $s['text']);
$slides = preg_split('/\n\s*\n|^\s*---+\s*$/m', trim($normalized));
$s['slides'] = array_values(array_filter(array_map('trim', $slides), fn($x) => $x !== ''));
}
return ['meta' => $meta, 'sections' => $sections];
}
// ----- JSON-Ausgabe -----
function json_out($data) {
header('Content-Type: application/json; charset=UTF-8');
echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
exit;
}
// ==================== API Router ====================
$action = $_GET['action'] ?? null;
if ($action === 'song') {
$rel = $_GET['file'] ?? '';
$rel = ltrim(str_replace(['..', '\\'], ['', '/'], $rel), '/');
$abs = SONGS_DIR . DIRECTORY_SEPARATOR . str_replace('/', DIRECTORY_SEPARATOR, $rel);
$absReal = realpath($abs);
if (!$absReal || !is_path_inside(SONGS_DIR, $absReal) || !is_file($absReal) || strtolower(pathinfo($absReal, PATHINFO_EXTENSION)) !== 'sng') {
http_response_code(404);
json_out(['ok' => false, 'error' => 'Song not found']);
}
$parsed = parse_sng($absReal);
$info = [
'title' => $parsed['meta']['Title'] ?? pathinfo($absReal, PATHINFO_FILENAME),
'langcount' => (int)($parsed['meta']['LangCount'] ?? 1),
'author' => $parsed['meta']['Author'] ?? ($parsed['meta']['Writer'] ?? ''),
'copyright' => $parsed['meta']['Copyright'] ?? '',
'churchsongid' => $parsed['meta']['ChurchSongID'] ?? ''
];
json_out(['ok' => true, 'info' => $info, 'sections' => $parsed['sections']]);
}
if ($action === 'get_state') {
if (file_exists(STATE_FILE)) {
$data = json_decode(file_get_contents(STATE_FILE), true);
json_out(['ok' => true, 'state' => $data]);
} else {
json_out(['ok' => true, 'state' => null]);
}
}
?>
SongBeamer Beamer