UserMediaPermissionRequestProxy.mm [plain text]
/*
* Copyright (C) 2020 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.
*/
#import "config.h"
#import "UserMediaPermissionRequestProxy.h"
#if ENABLE(MEDIA_STREAM)
#import "UserMediaPermissionRequestManagerProxy.h"
#import "WKWebViewInternal.h"
#import <WebCore/LocalizedStrings.h>
#import <wtf/BlockPtr.h>
#import <wtf/URLHelpers.h>
namespace WebKit {
static NSString* visibleDomain(const String& host)
{
auto domain = WTF::URLHelpers::userVisibleURL(host.utf8());
return startsWithLettersIgnoringASCIICase(domain, "www.") ? domain.substring(4) : domain;
}
static NSString *alertMessageText(const WebCore::SecurityOrigin& origin, bool shouldAskUserForAccessToMicrophone, bool shouldAskUserForAccessToCamera)
{
if (origin.protocol() != "http" && origin.protocol() != "https")
return nil;
if (shouldAskUserForAccessToCamera && shouldAskUserForAccessToMicrophone)
return [NSString stringWithFormat:WEB_UI_NSSTRING(@"Allow “%@” to use your camera and microphone?", @"Message for user media prompt"), visibleDomain(origin.host())];
if (shouldAskUserForAccessToCamera)
return [NSString stringWithFormat:WEB_UI_NSSTRING(@"Allow “%@” to use your camera?", @"Message for user camera access prompt"), visibleDomain(origin.host())];
if (shouldAskUserForAccessToMicrophone)
return [NSString stringWithFormat:WEB_UI_NSSTRING(@"Allow “%@” to use your microphone?", @"Message for user microphone access prompt"), visibleDomain(origin.host())];
return nil;
}
void UserMediaPermissionRequestProxy::doDefaultAction()
{
ASSERT(m_manager);
if (!m_manager) {
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
auto *webView = fromWebPageProxy(m_manager->page());
if (!webView) {
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
if (requiresDisplayCapture()) {
// FIXME: Implement getDisplayMedia prompt, for now deny.
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
auto *alertTitle = alertMessageText(topLevelDocumentSecurityOrigin(), requiresAudioCapture(), requiresVideoCapture());
if (!alertTitle) {
deny(UserMediaAccessDenialReason::PermissionDenied);
return;
}
auto completionBlock = makeBlockPtr([this, protectedThis = makeRef(*this)](bool shouldAllow) mutable {
if (!shouldAllow)
deny(UserMediaAccessDenialReason::PermissionDenied);
else
allow();
});
NSString *doNotAllowButtonString = WEB_UI_STRING_KEY(@"Don’t Allow", "Don’t Allow (usermedia)", @"Disallow button title in user media prompt");
NSString *allowButtonString = WEB_UI_STRING_KEY(@"Allow", "Allow (usermedia)", @"Allow button title in user media prompt");
#if PLATFORM(MAC)
auto alert = adoptNS([NSAlert new]);
[alert setMessageText:alertTitle];
[alert addButtonWithTitle:doNotAllowButtonString];
[alert addButtonWithTitle:allowButtonString];
[alert beginSheetModalForWindow:webView.window completionHandler:[completionBlock](NSModalResponse returnCode) {
auto shouldAllow = returnCode == NSAlertSecondButtonReturn;
completionBlock(shouldAllow);
}];
#else
UIAlertController* alert = [UIAlertController alertControllerWithTitle:alertTitle message:nil preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* allowAction = [UIAlertAction actionWithTitle:allowButtonString style:UIAlertActionStyleDefault handler:[completionBlock](UIAlertAction *action) {
completionBlock(true);
}];
UIAlertAction* doNotAllowAction = [UIAlertAction actionWithTitle:doNotAllowButtonString style:UIAlertActionStyleCancel handler:[completionBlock](UIAlertAction *action) {
completionBlock(false);
}];
[alert addAction:doNotAllowAction];
[alert addAction:allowAction];
[[UIViewController _viewControllerForFullScreenPresentationFromView:webView] presentViewController:alert animated:YES completion:nil];
#endif
}
} // namespace WebKit
#else
namespace WebKit {
void UserMediaPermissionRequestProxy::doDefaultAction()
{
ASSERT_NOT_REACHED();
}
}
#endif // ENABLE(MEDIA_STREAM)