Db::connect($config);
$lookup = buildLookup($config);
$uri = (string) ($_SERVER['REQUEST_URI'] ?? '/');
$path = (string) (parse_url($uri, PHP_URL_PATH) ?: '/');
$response = App::handle(
$httpMethod,
$path,
$_GET,
$_POST,
(string) ($_SERVER['REMOTE_ADDR'] ?? ''),
$config,
$connect,
$lookup,
time(),
$root . '/templates',
$root . '/translations',
);
} catch (Throwable $e) {
// §62: minimal public response; details go to the server log only.
error_log('howareyou: unhandled error: ' . get_class($e) . ': ' . $e->getMessage());
$response = [
'status' => 500,
'headers' => [
'Content-Type' => 'text/html; charset=utf-8',
'Cache-Control' => 'no-store',
],
'body' => "\n\n"
. "Error\nError
\n\n",
];
}
http_response_code($response['status']);
foreach ($response['headers'] as $name => $value) {
header($name . ': ' . $value);
}
// The application never sets cookies (§84); assert it structurally.
if (function_exists('headers_list')) {
foreach (headers_list() as $sent) {
if (str_starts_with(strtolower($sent), 'set-cookie:')) {
error_log('howareyou: unexpected Set-Cookie header');
}
}
}
if ($emitBody) {
echo $response['body'];
}
/**
* @param array $config
*/
function buildLookup(array $config): CountryLookup
{
$provider = (string) ($config['geoip_provider'] ?? 'csv');
if ($provider === 'null') {
return new NullCountryLookup();
}
if ($provider === 'php') {
// Precompiled buckets from bin/import-geoip.php (see docs/geoip.md).
return new PhpFileCountryLookup((string) ($config['geoip_cache'] ?? ''));
}
// Missing/unreadable CSV files simply resolve to ZZ (§24).
return new CsvCountryLookup(
(string) ($config['geoip_csv_v4'] ?? ''),
(string) ($config['geoip_csv_v6'] ?? ''),
);
}