#pragma once
#include <wtf/Forward.h>
#include <wtf/Markable.h>
#include <wtf/WallTime.h>
namespace WebCore {
class CookieJar;
class HTTPHeaderMap;
class NetworkStorageSession;
class ResourceRequest;
class ResourceResponse;
struct RedirectChainCacheStatus {
enum class Status : uint8_t {
NoRedirection,
NotCachedRedirection,
CachedRedirection
};
RedirectChainCacheStatus()
: endOfValidity(WallTime::infinity())
, status(Status::NoRedirection)
{ }
WallTime endOfValidity;
Status status;
};
WEBCORE_EXPORT Seconds computeCurrentAge(const ResourceResponse&, WallTime responseTimestamp);
WEBCORE_EXPORT Seconds computeFreshnessLifetimeForHTTPFamily(const ResourceResponse&, WallTime responseTimestamp);
WEBCORE_EXPORT void updateResponseHeadersAfterRevalidation(ResourceResponse&, const ResourceResponse& validatingResponse);
WEBCORE_EXPORT void updateRedirectChainStatus(RedirectChainCacheStatus&, const ResourceResponse&);
enum ReuseExpiredRedirectionOrNot { DoNotReuseExpiredRedirection, ReuseExpiredRedirection };
WEBCORE_EXPORT bool redirectChainAllowsReuse(RedirectChainCacheStatus, ReuseExpiredRedirectionOrNot);
struct CacheControlDirectives {
constexpr CacheControlDirectives()
: noCache(false)
, noStore(false)
, mustRevalidate(false)
, immutable(false)
{ }
Markable<Seconds, Seconds::MarkableTraits> maxAge;
Markable<Seconds, Seconds::MarkableTraits> maxStale;
Markable<Seconds, Seconds::MarkableTraits> staleWhileRevalidate;
bool noCache : 1;
bool noStore : 1;
bool mustRevalidate : 1;
bool immutable : 1;
};
WEBCORE_EXPORT CacheControlDirectives parseCacheControlDirectives(const HTTPHeaderMap&);
WEBCORE_EXPORT Vector<std::pair<String, String>> collectVaryingRequestHeaders(NetworkStorageSession*, const ResourceRequest&, const ResourceResponse&);
WEBCORE_EXPORT Vector<std::pair<String, String>> collectVaryingRequestHeaders(const CookieJar*, const ResourceRequest&, const ResourceResponse&);
WEBCORE_EXPORT bool verifyVaryingRequestHeaders(NetworkStorageSession*, const Vector<std::pair<String, String>>& varyingRequestHeaders, const ResourceRequest&);
WEBCORE_EXPORT bool verifyVaryingRequestHeaders(const CookieJar*, const Vector<std::pair<String, String>>& varyingRequestHeaders, const ResourceRequest&);
WEBCORE_EXPORT bool isStatusCodeCacheableByDefault(int statusCode);
WEBCORE_EXPORT bool isStatusCodePotentiallyCacheable(int statusCode);
}