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/*
* Copyright (C) 2016 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/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class ContentSecurityPolicy;
class ResourceResponse;
enum class ContentSecurityPolicyHeaderType : bool {
Report,
Enforce,
};
class ContentSecurityPolicyResponseHeaders {
public:
ContentSecurityPolicyResponseHeaders() = default;
WEBCORE_EXPORT explicit ContentSecurityPolicyResponseHeaders(const ResourceResponse&);
ContentSecurityPolicyResponseHeaders isolatedCopy() const &;
ContentSecurityPolicyResponseHeaders isolatedCopy() &&;
template <class Encoder> void encode(Encoder&) const;
template <class Decoder> static std::optional<ContentSecurityPolicyResponseHeaders> decode(Decoder&);
enum EmptyTag { Empty };
struct MarkableTraits {
static bool isEmptyValue(const ContentSecurityPolicyResponseHeaders& identifier)
{
return identifier.m_emptyForMarkable;
}
static ContentSecurityPolicyResponseHeaders emptyValue()
{
return ContentSecurityPolicyResponseHeaders(Empty);
}
};
void addPolicyHeadersTo(ResourceResponse&) const;
private:
friend bool operator==(const ContentSecurityPolicyResponseHeaders&, const ContentSecurityPolicyResponseHeaders&);
friend class ContentSecurityPolicy;
ContentSecurityPolicyResponseHeaders(EmptyTag)
: m_emptyForMarkable(true)
{ }
Vector<std::pair<String, ContentSecurityPolicyHeaderType>> m_headers;
int m_httpStatusCode { 0 };
bool m_emptyForMarkable { false };
};
inline bool operator==(const ContentSecurityPolicyResponseHeaders&a, const ContentSecurityPolicyResponseHeaders&b)
{
return a.m_headers == b.m_headers;
}
template <class Encoder>
void ContentSecurityPolicyResponseHeaders::encode(Encoder& encoder) const
{
encoder << static_cast<uint64_t>(m_headers.size());
for (auto& pair : m_headers) {
encoder << pair.first;
encoder << pair.second;
}
encoder << m_httpStatusCode;
}
template <class Decoder>
std::optional<ContentSecurityPolicyResponseHeaders> ContentSecurityPolicyResponseHeaders::decode(Decoder& decoder)
{
ContentSecurityPolicyResponseHeaders headers;
std::optional<uint64_t> headersSize;
decoder >> headersSize;
if (!headersSize)
return std::nullopt;
for (size_t i = 0; i < *headersSize; ++i) {
std::optional<String> header;
decoder >> header;
if (!header)
return std::nullopt;
std::optional<ContentSecurityPolicyHeaderType> headerType;
decoder >> headerType;
if (!headerType)
return std::nullopt;
headers.m_headers.append(std::make_pair(WTFMove(*header), WTFMove(*headerType)));
}
headers.m_headers.shrinkToFit();
std::optional<int> httpStatusCode;
decoder >> httpStatusCode;
if (!httpStatusCode)
return std::nullopt;
headers.m_httpStatusCode = *httpStatusCode;
return headers;
}
} // namespace WebCore
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