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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/apps/app_shim/app_shim_host_bootstrap_mac.h"
#include <CoreFoundation/CoreFoundation.h>
#include <bsm/libbsm.h>
#include <memory>
#include <utility>
#include "base/apple/scoped_cftyperef.h"
#include "base/functional/bind.h"
#include "base/strings/sys_string_conversions.h"
#include "components/variations/net/variations_command_line.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/message_pipe.h"
// NSLog is in Foundation, which cannot be #included in this translation
// unit without renaming it to .mm. Because the logging is temporary, just
// forward-declare it.
extern "C" {
void NSLogv(CFStringRef, va_list);
} // extern C
namespace {
AppShimHostBootstrap::Client* g_client = nullptr;
// TODO(crbug.com/40674145): Remove NSLog logging, and move to an
// internal debugging URL.
void LogToNSLog(std::string format, ...) {
base::apple::ScopedCFTypeRef<CFStringRef> cf_format(
base::SysUTF8ToCFStringRef(format));
va_list arguments;
va_start(arguments, format);
NSLogv(cf_format.get(), arguments);
va_end(arguments);
}
} // namespace
// static
void AppShimHostBootstrap::SetClient(Client* client) {
g_client = client;
}
// static
void AppShimHostBootstrap::CreateForChannelAndPeerAuditToken(
mojo::PlatformChannelEndpoint endpoint,
audit_token_t audit_token) {
// AppShimHostBootstrap is initially owned by itself until it receives a
// OnShimConnected message or a channel error. In OnShimConnected, ownership
// is transferred to a unique_ptr.
DCHECK(endpoint.platform_handle().is_mach_send());
(new AppShimHostBootstrap(audit_token))->ServeChannel(std::move(endpoint));
}
AppShimHostBootstrap::AppShimHostBootstrap(audit_token_t audit_token)
: audit_token_(audit_token) {}
AppShimHostBootstrap::~AppShimHostBootstrap() {
DCHECK(!shim_connected_callback_);
LogToNSLog("AppShim: Closing pid %d", GetAppShimPid());
}
void AppShimHostBootstrap::ServeChannel(
mojo::PlatformChannelEndpoint endpoint) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
mojo::ScopedMessagePipeHandle message_pipe =
bootstrap_mojo_connection_.Connect(std::move(endpoint));
host_bootstrap_receiver_.Bind(
mojo::PendingReceiver<chrome::mojom::AppShimHostBootstrap>(
std::move(message_pipe)));
host_bootstrap_receiver_.set_disconnect_with_reason_handler(base::BindOnce(
&AppShimHostBootstrap::ChannelError, base::Unretained(this)));
}
void AppShimHostBootstrap::ChannelError(uint32_t custom_reason,
const std::string& description) {
// Once |this| has received a OnShimConnected message, it is owned by a
// unique_ptr (not the channel anymore).
if (app_shim_info_)
return;
LOG(ERROR) << "Channel error custom_reason:" << custom_reason
<< " description: " << description;
delete this;
}
mojo::PendingReceiver<chrome::mojom::AppShimHost>
AppShimHostBootstrap::GetAppShimHostReceiver() {
return std::move(app_shim_host_receiver_);
}
const std::string& AppShimHostBootstrap::GetAppId() const {
return app_shim_info_->app_id;
}
const GURL& AppShimHostBootstrap::GetAppURL() {
return app_shim_info_->app_url;
}
const base::FilePath& AppShimHostBootstrap::GetProfilePath() {
return app_shim_info_->profile_path;
}
chrome::mojom::AppShimLaunchType AppShimHostBootstrap::GetLaunchType() const {
return app_shim_info_->launch_type;
}
const std::vector<base::FilePath>& AppShimHostBootstrap::GetLaunchFiles()
const {
return app_shim_info_->files;
}
chrome::mojom::AppShimLoginItemRestoreState
AppShimHostBootstrap::GetLoginItemRestoreState() const {
return app_shim_info_->login_item_restore_state;
}
const std::vector<GURL>& AppShimHostBootstrap::GetLaunchUrls() const {
return app_shim_info_->urls;
}
mojo::PendingReceiver<mac_notifications::mojom::MacNotificationActionHandler>
AppShimHostBootstrap::TakeNotificationActionHandler() {
return std::move(app_shim_info_->notification_action_handler);
}
bool AppShimHostBootstrap::IsMultiProfile() const {
// PWAs and bookmark apps are multi-profile capable.
return app_shim_info_->app_url.is_valid();
}
void AppShimHostBootstrap::OnShimConnected(
mojo::PendingReceiver<chrome::mojom::AppShimHost> app_shim_host_receiver,
chrome::mojom::AppShimInfoPtr app_shim_info,
OnShimConnectedCallback callback) {
LogToNSLog("AppShim: Received OnShimConnected from pid %d", GetAppShimPid());
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(!app_shim_info_);
// Only one app launch message per channel.
if (app_shim_info_)
return;
app_shim_host_receiver_ = std::move(app_shim_host_receiver);
app_shim_info_ = std::move(app_shim_info);
shim_connected_callback_ = std::move(callback);
// Transfer ownership to a unique_ptr and mark that OnShimConnected has been
// received. Note that after this point, a channel error will no longer
// cause |this| to be deleted.
std::unique_ptr<AppShimHostBootstrap> deleter(this);
// |g_client| takes ownership of |this| now.
if (g_client)
g_client->OnShimProcessConnected(std::move(deleter));
// |g_client| can only be nullptr after AppShimListener is destroyed. Since
// this only happens at shutdown, do nothing here.
}
void AppShimHostBootstrap::OnConnectedToHost(
mojo::PendingReceiver<chrome::mojom::AppShim> app_shim_receiver) {
LogToNSLog("AppShim: Performing OnConnectedToHost for pid %d",
GetAppShimPid());
std::move(shim_connected_callback_)
.Run(chrome::mojom::AppShimLaunchResult::kSuccess,
variations::VariationsCommandLine::GetForCurrentProcess(),
std::move(app_shim_receiver));
}
void AppShimHostBootstrap::OnFailedToConnectToHost(
chrome::mojom::AppShimLaunchResult result) {
LogToNSLog("AppShim: Performing OnFailedToConnectToHost result %d for pid %d",
result, GetAppShimPid());
// Because there will be users of the AppShim interface in failure, just
// return a dummy receiver.
mojo::Remote<chrome::mojom::AppShim> dummy_remote;
std::move(shim_connected_callback_)
.Run(result, variations::VariationsCommandLine(),
dummy_remote.BindNewPipeAndPassReceiver());
}
base::ProcessId AppShimHostBootstrap::GetAppShimPid() const {
return audit_token_to_pid(audit_token_);
}
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