$options['fonts'] = isset($_GET['fonts']) ? strtolower(htmlspecialchars(urldecode($_GET['fonts']))) : 'freeserif';
if (filter_var($options['fonts'], FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) === false) {
$options['fonts'] = '';
}
}
try {
if (isset($_GET['refresh'])) {
$refresh = new Refresh($api);
$refresh->refresh();
$success = 'The cache is updated for ' . $api->lang . ' language.';
include 'templates/book.php';
}
if ($title === '') {
include 'templates/book.php';
} else {
$creator = BookCreator::forApi($api, $format, $options);
try {
list($book, $file) = $creator->create($title);
} catch (WSExportInvalidArgumentException $exception) {
throw new HttpException('Unsupported Media Type', 415);
}
header('X-Robots-Tag: none');
header('Content-Description: File Transfer');
header('Content-Type: ' . $creator->getMimeType());
header('Content-Disposition: attachment; filename="' . $title . '.' . $creator->getExtension() . '"');
header('Content-length: ' . filesize($file));
readfile($file);
unlink($file);
flush();
CreationLog::singleton()->add($book, $format);
}
