| /* |
| * Copyright (C) 2015-2017 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. AND ITS CONTRIBUTORS ``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 ITS 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/FileSystem.h> |
| #include <wtf/FunctionDispatcher.h> |
| #include <wtf/SHA1.h> |
| #include <wtf/ThreadSafeRefCounted.h> |
| #include <wtf/text/WTFString.h> |
| |
| #if PLATFORM(COCOA) |
| #include <wtf/OSObjectPtr.h> |
| #endif |
| |
| #if USE(SOUP) |
| #include <WebCore/GRefPtrSoup.h> |
| #endif |
| |
| #if USE(CURL) |
| #include <wtf/Box.h> |
| #include <wtf/Variant.h> |
| #endif |
| |
| namespace WebKit { |
| |
| class SharedMemory; |
| |
| namespace NetworkCache { |
| |
| class Data { |
| public: |
| Data() { } |
| Data(const uint8_t*, size_t); |
| |
| ~Data() { } |
| |
| static Data empty(); |
| static Data adoptMap(FileSystem::MappedFileData&&, FileSystem::PlatformFileHandle); |
| |
| #if PLATFORM(COCOA) |
| enum class Backing { Buffer, Map }; |
| Data(OSObjectPtr<dispatch_data_t>&&, Backing = Backing::Buffer); |
| #endif |
| #if USE(SOUP) |
| Data(GRefPtr<SoupBuffer>&&, FileSystem::PlatformFileHandle fd = FileSystem::invalidPlatformFileHandle); |
| #elif USE(CURL) |
| Data(Variant<Vector<uint8_t>, FileSystem::MappedFileData>&&); |
| #endif |
| bool isNull() const; |
| bool isEmpty() const { return !m_size; } |
| |
| const uint8_t* data() const; |
| size_t size() const { return m_size; } |
| bool isMap() const { return m_isMap; } |
| RefPtr<SharedMemory> tryCreateSharedMemory() const; |
| |
| Data subrange(size_t offset, size_t) const; |
| |
| bool apply(const Function<bool (const uint8_t*, size_t)>&) const; |
| |
| Data mapToFile(const String& path) const; |
| |
| #if PLATFORM(COCOA) |
| dispatch_data_t dispatchData() const { return m_dispatchData.get(); } |
| #endif |
| |
| #if USE(SOUP) |
| SoupBuffer* soupBuffer() const { return m_buffer.get(); } |
| #endif |
| private: |
| #if PLATFORM(COCOA) |
| mutable OSObjectPtr<dispatch_data_t> m_dispatchData; |
| #endif |
| #if USE(SOUP) |
| mutable GRefPtr<SoupBuffer> m_buffer; |
| FileSystem::PlatformFileHandle m_fileDescriptor { FileSystem::invalidPlatformFileHandle }; |
| #endif |
| #if USE(CURL) |
| Box<Variant<Vector<uint8_t>, FileSystem::MappedFileData>> m_buffer; |
| #endif |
| mutable const uint8_t* m_data { nullptr }; |
| size_t m_size { 0 }; |
| bool m_isMap { false }; |
| }; |
| |
| Data concatenate(const Data&, const Data&); |
| bool bytesEqual(const Data&, const Data&); |
| Data adoptAndMapFile(FileSystem::PlatformFileHandle, size_t offset, size_t); |
| Data mapFile(const char* path); |
| Data mapFile(const String& path); |
| |
| using Salt = std::array<uint8_t, 8>; |
| |
| Optional<Salt> readOrMakeSalt(const String& path); |
| SHA1::Digest computeSHA1(const Data&, const Salt&); |
| |
| } |
| |
| } |