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/*
* Copyright (C) 2008-2017 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 <wtf/HashMap.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class ApplicationCacheGroup;
class ApplicationCacheResource;
class ResourceRequest;
using FallbackURLVector = Vector<std::pair<URL, URL>>;
class ApplicationCache : public RefCounted<ApplicationCache> {
public:
static Ref<ApplicationCache> create() { return adoptRef(*new ApplicationCache); }
~ApplicationCache();
void addResource(Ref<ApplicationCacheResource>&&);
void setManifestResource(Ref<ApplicationCacheResource>&&);
ApplicationCacheResource* manifestResource() const;
void setGroup(ApplicationCacheGroup*);
ApplicationCacheGroup* group() const;
bool isComplete();
ApplicationCacheResource* resourceForRequest(const ResourceRequest&);
ApplicationCacheResource* resourceForURL(const String& url);
void setAllowsAllNetworkRequests(bool value) { m_allowAllNetworkRequests = value; }
bool allowsAllNetworkRequests() const { return m_allowAllNetworkRequests; }
void setOnlineAllowlist(const Vector<URL>&);
const Vector<URL>& onlineAllowlist() const { return m_onlineAllowlist; }
bool isURLInOnlineAllowlist(const URL&); // There is an entry in online allowlist that has the same origin as the resource's URL and that is a prefix match for the resource's URL.
void setFallbackURLs(const FallbackURLVector&);
const FallbackURLVector& fallbackURLs() const { return m_fallbackURLs; }
bool urlMatchesFallbackNamespace(const URL&, URL* fallbackURL = nullptr);
#ifndef NDEBUG
void dump();
#endif
using ResourceMap = HashMap<String, RefPtr<ApplicationCacheResource>>;
const ResourceMap& resources() const { return m_resources; }
void setStorageID(unsigned storageID) { m_storageID = storageID; }
unsigned storageID() const { return m_storageID; }
void clearStorageID();
static bool requestIsHTTPOrHTTPSGet(const ResourceRequest&);
int64_t estimatedSizeInStorage() const { return m_estimatedSizeInStorage; }
private:
ApplicationCache();
WeakPtr<ApplicationCacheGroup> m_group;
ResourceMap m_resources;
WeakPtr<ApplicationCacheResource> m_manifest;
bool m_allowAllNetworkRequests { false };
Vector<URL> m_onlineAllowlist;
FallbackURLVector m_fallbackURLs;
// The total size of the resources belonging to this Application Cache instance.
// This is an estimation of the size this Application Cache occupies in the database file.
int64_t m_estimatedSizeInStorage { 0 };
unsigned m_storageID { 0 };
};
} // namespace WebCore
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