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/*
* Copyright (C) 2014 Igalia S.L.
* Copyright (C) 2016-2022 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "UserMediaPermissionRequestProxy.h"
#include "APIUIClient.h"
#include "MediaPermissionUtilities.h"
#include "UserMediaPermissionRequestManagerProxy.h"
#include <WebCore/CaptureDeviceManager.h>
#include <WebCore/RealtimeMediaSourceCenter.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/SecurityOriginData.h>
#include <wtf/text/StringHash.h>
namespace WebKit {
using namespace WebCore;
#if !PLATFORM(COCOA)
Ref<UserMediaPermissionRequestProxy> UserMediaPermissionRequestProxy::create(UserMediaPermissionRequestManagerProxy& manager, WebCore::UserMediaRequestIdentifier userMediaID, WebCore::FrameIdentifier mainFrameID, WebCore::FrameIdentifier frameID, Ref<WebCore::SecurityOrigin>&& userMediaDocumentOrigin, Ref<WebCore::SecurityOrigin>&& topLevelDocumentOrigin, Vector<WebCore::CaptureDevice>&& audioDevices, Vector<WebCore::CaptureDevice>&& videoDevices, WebCore::MediaStreamRequest&& request, CompletionHandler<void(bool)>&& decisionCompletionHandler)
{
return adoptRef(*new UserMediaPermissionRequestProxy(manager, userMediaID, mainFrameID, frameID, WTFMove(userMediaDocumentOrigin), WTFMove(topLevelDocumentOrigin), WTFMove(audioDevices), WTFMove(videoDevices), WTFMove(request), WTFMove(decisionCompletionHandler)));
}
#endif
UserMediaPermissionRequestProxy::UserMediaPermissionRequestProxy(UserMediaPermissionRequestManagerProxy& manager, UserMediaRequestIdentifier userMediaID, FrameIdentifier mainFrameID, FrameIdentifier frameID, Ref<WebCore::SecurityOrigin>&& userMediaDocumentOrigin, Ref<WebCore::SecurityOrigin>&& topLevelDocumentOrigin, Vector<WebCore::CaptureDevice>&& audioDevices, Vector<WebCore::CaptureDevice>&& videoDevices, WebCore::MediaStreamRequest&& request, CompletionHandler<void(bool)>&& decisionCompletionHandler)
: m_manager(&manager)
, m_userMediaID(userMediaID)
, m_mainFrameID(mainFrameID)
, m_frameID(frameID)
, m_userMediaDocumentSecurityOrigin(WTFMove(userMediaDocumentOrigin))
, m_topLevelDocumentSecurityOrigin(WTFMove(topLevelDocumentOrigin))
, m_eligibleVideoDevices(WTFMove(videoDevices))
, m_eligibleAudioDevices(WTFMove(audioDevices))
, m_request(WTFMove(request))
, m_decisionCompletionHandler(WTFMove(decisionCompletionHandler))
{
}
#if ENABLE(MEDIA_STREAM)
static inline void setDeviceAsFirst(Vector<CaptureDevice>& devices, const String& deviceID)
{
size_t index = devices.findIf([&deviceID](const auto& device) {
return device.persistentId() == deviceID;
});
ASSERT(index != notFound);
if (index) {
auto device = devices[index];
ASSERT(device.enabled());
devices.remove(index);
devices.insert(0, WTFMove(device));
}
}
#endif
void UserMediaPermissionRequestProxy::allow(const String& audioDeviceUID, const String& videoDeviceUID)
{
#if ENABLE(MEDIA_STREAM)
if (!audioDeviceUID.isEmpty())
setDeviceAsFirst(m_eligibleAudioDevices, audioDeviceUID);
if (!videoDeviceUID.isEmpty())
setDeviceAsFirst(m_eligibleVideoDevices, videoDeviceUID);
#else
UNUSED_PARAM(audioDeviceUID);
UNUSED_PARAM(videoDeviceUID);
#endif
allow();
}
void UserMediaPermissionRequestProxy::allow()
{
ASSERT(m_manager);
if (!m_manager)
return;
m_manager->grantRequest(*this);
invalidate();
}
void UserMediaPermissionRequestProxy::deny(UserMediaAccessDenialReason reason)
{
if (!m_manager)
return;
m_manager->denyRequest(*this, reason);
invalidate();
}
void UserMediaPermissionRequestProxy::invalidate()
{
m_manager = nullptr;
if (m_decisionCompletionHandler)
m_decisionCompletionHandler(false);
}
Vector<String> UserMediaPermissionRequestProxy::videoDeviceUIDs() const
{
return WTF::map(m_eligibleVideoDevices, [] (auto& device) {
return device.persistentId();
});
}
Vector<String> UserMediaPermissionRequestProxy::audioDeviceUIDs() const
{
return WTF::map(m_eligibleAudioDevices, [] (auto& device) {
return device.persistentId();
});
}
String convertEnumerationToString(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason enumerationValue)
{
static const NeverDestroyed<String> values[] = {
MAKE_STATIC_STRING_IMPL("NoConstraints"),
MAKE_STATIC_STRING_IMPL("UserMediaDisabled"),
MAKE_STATIC_STRING_IMPL("NoCaptureDevices"),
MAKE_STATIC_STRING_IMPL("InvalidConstraint"),
MAKE_STATIC_STRING_IMPL("HardwareError"),
MAKE_STATIC_STRING_IMPL("PermissionDenied"),
MAKE_STATIC_STRING_IMPL("OtherFailure"),
};
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::NoConstraints) == 0, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::NoConstraints is not 0 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::UserMediaDisabled) == 1, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::UserMediaDisabled is not 1 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::NoCaptureDevices) == 2, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::NoCaptureDevices is not 2 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::InvalidConstraint) == 3, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::InvalidConstraint is not 3 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::HardwareError) == 4, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::HardwareError is not 4 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::PermissionDenied) == 5, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::PermissionDenied is not 5 as expected");
static_assert(static_cast<size_t>(UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::OtherFailure) == 6, "UserMediaPermissionRequestProxy::UserMediaAccessDenialReason::OtherFailure is not 6 as expected");
ASSERT(static_cast<size_t>(enumerationValue) < std::size(values));
return values[static_cast<size_t>(enumerationValue)];
}
void UserMediaPermissionRequestProxy::promptForGetDisplayMedia(UserMediaDisplayCapturePromptType promptType)
{
#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
ASSERT(m_manager && canRequestDisplayCapturePermission() && promptType == UserMediaDisplayCapturePromptType::UserChoose);
if (!m_manager || !canRequestDisplayCapturePermission() || promptType != UserMediaDisplayCapturePromptType::UserChoose) {
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
alertForPermission(m_manager->page(), MediaPermissionReason::ScreenCapture, topLevelDocumentSecurityOrigin().data(), [this, protectedThis = Ref { *this }](bool granted) {
if (!granted)
deny(UserMediaAccessDenialReason::PermissionDenied);
else
allow();
});
#endif
}
void UserMediaPermissionRequestProxy::promptForGetUserMedia()
{
#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
ASSERT(m_manager);
if (!m_manager) {
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
MediaPermissionReason reason = MediaPermissionReason::Camera;
if (requiresAudioCapture())
reason = requiresVideoCapture() ? MediaPermissionReason::CameraAndMicrophone : MediaPermissionReason::Microphone;
alertForPermission(m_manager->page(), reason, topLevelDocumentSecurityOrigin().data(), [this, protectedThis = Ref { *this }](bool granted) {
if (!granted)
deny(UserMediaAccessDenialReason::PermissionDenied);
else
allow();
});
#endif
}
void UserMediaPermissionRequestProxy::doDefaultAction()
{
#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
if (requiresDisplayCapture())
promptForGetDisplayMedia(UserMediaDisplayCapturePromptType::UserChoose);
else
promptForGetUserMedia();
#else
deny();
#endif
}
bool UserMediaPermissionRequestProxy::canRequestDisplayCapturePermission()
{
#if ENABLE(MEDIA_STREAM) && (PLATFORM(IOS) || PLATFORM(VISION))
return true;
#else
return false;
#endif
}
} // namespace WebKit
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