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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include "StoredCredentialsPolicy.h"
#include <pal/SessionID.h>
#include <wtf/Expected.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/MonotonicTime.h>
#include <wtf/URLHash.h>
#include <wtf/UniqueRef.h>
namespace WebCore {
class HTTPHeaderMap;
class ResourceResponse;
class CrossOriginPreflightResultCacheItem {
WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCacheItem); WTF_MAKE_FAST_ALLOCATED;
public:
static Expected<UniqueRef<CrossOriginPreflightResultCacheItem>, String> create(StoredCredentialsPolicy, const ResourceResponse&);
CrossOriginPreflightResultCacheItem(MonotonicTime, StoredCredentialsPolicy, HashSet<String>&&, HashSet<String, ASCIICaseInsensitiveHash>&&);
std::optional<String> validateMethodAndHeaders(const String& method, const HTTPHeaderMap&) const;
bool allowsRequest(StoredCredentialsPolicy, const String& method, const HTTPHeaderMap&) const;
private:
bool allowsCrossOriginMethod(const String&, StoredCredentialsPolicy) const;
std::optional<String> validateCrossOriginHeaders(const HTTPHeaderMap&, StoredCredentialsPolicy) const;
// FIXME: A better solution to holding onto the absolute expiration time might be
// to start a timer for the expiration delta that removes this from the cache when
// it fires.
MonotonicTime m_absoluteExpiryTime;
StoredCredentialsPolicy m_storedCredentialsPolicy;
HashSet<String> m_methods;
HashSet<String, ASCIICaseInsensitiveHash> m_headers;
};
class CrossOriginPreflightResultCache {
WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCache); WTF_MAKE_FAST_ALLOCATED;
public:
WEBCORE_EXPORT static CrossOriginPreflightResultCache& singleton();
WEBCORE_EXPORT void appendEntry(PAL::SessionID, const String& origin, const URL&, std::unique_ptr<CrossOriginPreflightResultCacheItem>);
WEBCORE_EXPORT bool canSkipPreflight(PAL::SessionID, const String& origin, const URL&, StoredCredentialsPolicy, const String& method, const HTTPHeaderMap& requestHeaders);
WEBCORE_EXPORT void clear();
private:
friend NeverDestroyed<CrossOriginPreflightResultCache>;
CrossOriginPreflightResultCache();
HashMap<std::tuple<PAL::SessionID, String, URL>, std::unique_ptr<CrossOriginPreflightResultCacheItem>> m_preflightHashMap;
};
inline CrossOriginPreflightResultCacheItem::CrossOriginPreflightResultCacheItem(MonotonicTime absoluteExpiryTime, StoredCredentialsPolicy storedCredentialsPolicy, HashSet<String>&& methods, HashSet<String, ASCIICaseInsensitiveHash>&& headers)
: m_absoluteExpiryTime(absoluteExpiryTime)
, m_storedCredentialsPolicy(storedCredentialsPolicy)
, m_methods(WTFMove(methods))
, m_headers(WTFMove(headers))
{
}
} // namespace WebCore
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