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/* -*- Mode: c++; c-basic-offset: 2; tab-width: 4; indent-tabs-mode: nil; -*-
* vim: set sw=2 ts=4 expandtab:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ExtensionKitUtils.h"
#include "LaunchError.h"
#import <BrowserEngineKit/BrowserEngineKit.h>
#import "mozilla/widget/GeckoViewSupport.h"
using namespace mozilla::widget;
namespace mozilla::ipc {
void BEProcessCapabilityGrantDeleter::operator()(void* aGrant) const {
auto grant = static_cast<id<BEProcessCapabilityGrant>>(aGrant);
[grant invalidate];
[grant release];
}
void ExtensionKitProcess::StartProcess(
Kind aKind,
const std::function<void(Result<ExtensionKitProcess, LaunchError>&&)>&
aCompletion) {
auto callCompletion = [=](auto* aProcess, NSError* aError) {
if (aProcess) {
[aProcess retain];
aCompletion(ExtensionKitProcess(aKind, aProcess));
} else {
NSLog(@"Error launching process, description '%@', reason '%@'",
[aError localizedDescription], [aError localizedFailureReason]);
aCompletion(Err(LaunchError("ExtensionKitProcess::StartProcess")));
}
};
switch (aKind) {
case Kind::WebContent: {
[BEWebContentProcess
webContentProcessWithInterruptionHandler:^{
}
completion:^(BEWebContentProcess* process, NSError* error) {
callCompletion(process, error);
}];
return;
}
case Kind::Networking: {
[BENetworkingProcess
networkProcessWithInterruptionHandler:^{
}
completion:^(BENetworkingProcess* process, NSError* error) {
callCompletion(process, error);
}];
return;
}
case Kind::Rendering: {
[BERenderingProcess
renderingProcessWithInterruptionHandler:^{
}
completion:^(BERenderingProcess* process, NSError* error) {
callCompletion(process, error);
}];
return;
}
}
}
template <typename F>
static void SwitchObject(ExtensionKitProcess::Kind aKind, void* aProcessObject,
F&& aMatcher) {
switch (aKind) {
case ExtensionKitProcess::Kind::WebContent:
aMatcher(static_cast<BEWebContentProcess*>(aProcessObject));
break;
case ExtensionKitProcess::Kind::Networking:
aMatcher(static_cast<BENetworkingProcess*>(aProcessObject));
break;
case ExtensionKitProcess::Kind::Rendering:
aMatcher(static_cast<BERenderingProcess*>(aProcessObject));
break;
}
}
DarwinObjectPtr<xpc_connection_t> ExtensionKitProcess::MakeLibXPCConnection() {
NSError* error = nullptr;
DarwinObjectPtr<xpc_connection_t> xpcConnection;
SwitchObject(mKind, mProcessObject, [&](auto* aProcessObject) {
xpcConnection = [aProcessObject makeLibXPCConnectionError:&error];
});
return xpcConnection;
}
void ExtensionKitProcess::Invalidate() {
SwitchObject(mKind, mProcessObject,
[&](auto* aProcessObject) { [aProcessObject invalidate]; });
}
UniqueBEProcessCapabilityGrant
ExtensionKitProcess::GrantForegroundCapability() {
NSError* error = nullptr;
BEProcessCapability* cap = [BEProcessCapability foreground];
id<BEProcessCapabilityGrant> grant = nil;
SwitchObject(mKind, mProcessObject, [&](auto* aProcessObject) {
grant = [aProcessObject grantCapability:cap error:&error];
});
return UniqueBEProcessCapabilityGrant(grant ? [grant retain] : nil);
}
ExtensionKitProcess::ExtensionKitProcess(const ExtensionKitProcess& aOther)
: mKind(aOther.mKind), mProcessObject(aOther.mProcessObject) {
SwitchObject(mKind, mProcessObject,
[&](auto* aProcessObject) { [aProcessObject retain]; });
}
ExtensionKitProcess& ExtensionKitProcess::operator=(
const ExtensionKitProcess& aOther) {
Kind oldKind = std::exchange(mKind, aOther.mKind);
void* oldProcessObject = std::exchange(mProcessObject, aOther.mProcessObject);
SwitchObject(mKind, mProcessObject,
[&](auto* aProcessObject) { [aProcessObject retain]; });
SwitchObject(oldKind, oldProcessObject,
[&](auto* aProcessObject) { [aProcessObject release]; });
return *this;
}
ExtensionKitProcess::~ExtensionKitProcess() {
SwitchObject(mKind, mProcessObject,
[&](auto* aProcessObject) { [aProcessObject release]; });
}
void LockdownExtensionKitProcess(ExtensionKitSandboxRevision aRevision) {
if (id<GeckoProcessExtension> process = GetCurrentProcessExtension()) {
switch (aRevision) {
case ExtensionKitSandboxRevision::Revision1:
[process lockdownSandbox:@"1.0"];
return;
default:
NSLog(@"Unknown ExtensionKit sandbox revision");
return;
}
}
}
} // namespace mozilla::ipc
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