113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/*
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* Copyright (C) 2016 Metrological Group B.V.
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* Copyright (C) 2016 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MediaKeyStatusMap.h"
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#if ENABLE(ENCRYPTED_MEDIA)
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#include "JSMediaKeyStatusMap.h"
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#include "MediaKeySession.h"
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#include "SharedBuffer.h"
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namespace WebCore {
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MediaKeyStatusMap::MediaKeyStatusMap(const MediaKeySession& session)
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: m_session(&session)
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{
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}
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MediaKeyStatusMap::~MediaKeyStatusMap() = default;
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void MediaKeyStatusMap::detachSession()
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{
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m_session = nullptr;
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}
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unsigned long MediaKeyStatusMap::size()
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{
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if (!m_session)
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return 0;
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return m_session->statuses().size();
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}
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static bool keyIdsMatch(const SharedBuffer& a, const BufferSource& b)
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{
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auto length = a.size();
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if (!length || length != b.length())
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return false;
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return !std::memcmp(a.data(), b.data(), length);
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}
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bool MediaKeyStatusMap::has(const BufferSource& keyId)
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{
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if (!m_session)
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return false;
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auto& statuses = m_session->statuses();
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return std::any_of(statuses.begin(), statuses.end(),
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[&keyId] (auto& it) { return keyIdsMatch(it.first, keyId); });
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}
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JSC::JSValue MediaKeyStatusMap::get(JSC::JSGlobalObject& state, const BufferSource& keyId)
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{
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if (!m_session)
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return JSC::jsUndefined();
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auto& statuses = m_session->statuses();
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auto it = std::find_if(statuses.begin(), statuses.end(),
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[&keyId] (auto& it) { return keyIdsMatch(it.first, keyId); });
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if (it == statuses.end())
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return JSC::jsUndefined();
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return convertEnumerationToJS(state, it->second);
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}
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MediaKeyStatusMap::Iterator::Iterator(MediaKeyStatusMap& map)
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: m_map(map)
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{
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}
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std::optional<WTF::KeyValuePair<BufferSource::VariantType, MediaKeyStatus>> MediaKeyStatusMap::Iterator::next()
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{
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if (!m_map->m_session)
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return std::nullopt;
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auto& statuses = m_map->m_session->statuses();
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if (m_index >= statuses.size())
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return std::nullopt;
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auto& pair = statuses[m_index++];
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auto buffer = ArrayBuffer::create(pair.first->data(), pair.first->size());
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return WTF::KeyValuePair<BufferSource::VariantType, MediaKeyStatus> { RefPtr<ArrayBuffer>(WTFMove(buffer)), pair.second };
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}
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} // namespace WebCore
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#endif // ENABLE(ENCRYPTED_MEDIA)
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