public function getHeaders()
{
$headers = $this->headers;
Log::add($headers, 'headers raw');
// For HTML content, overwrite upstream cache conf.
if (isset($headers['Cache-Control'])) {
if ($this->getContentType() == $this::CONTENT_TYPE_TEXT_HTML) {
unset($headers['Cache-Control']);
}
} else {
if ($this->getContentType() == $this::CONTENT_TYPE_OTHER) {
$headers['Cache-Control'] = getCacheControlHeader(60 * 60, 60 * 60, 60 * 60 * 24);
}
}
// If redirect, rewrite Location header.
if (isset($headers['Location'])) {
if (parse_url($headers['Location'], PHP_URL_HOST)) {
TextExternalUrlFilters::applyAll($headers['Location']);
}
// Header redirects require full URLs, with scheme and host.
if (!parse_url($headers['Location'], PHP_URL_HOST)) {
$headers['Location'] = RedirectWhenBlockedFull::getBaseUrl(true) . ltrim($headers['Location'], '/');
}
}
// Rewrite set-cookie headers (or remove if cookies disabled).
if (isset($headers['Set-Cookie'])) {
if (!Conf::$cookies_enabled) {
unset($headers['Set-Cookie']);
} else {
if (is_array($headers['Set-Cookie'])) {
foreach ($headers['Set-Cookie'] as &$set_cookie) {
$set_cookie = $this->getFilteredSetCookie($set_cookie);
}
} else {
$headers['Set-Cookie'] = $this->getFilteredSetCookie($headers['Set-Cookie']);
}
}
}
// Unset some.
$skip = array('Connection', 'Content-Encoding', 'Transfer-Encoding', 'X-Original-Content-Encoding');
foreach ($skip as $s) {
if (isset($headers[$s])) {
unset($headers[$s]);
}
}
Log::add($headers, 'headers filtered');
return $headers;
}
