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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/devtools/remote_debugging_server.h"
#include <utility>
#include "base/lazy_instance.h"
#include "base/macros.h"
#include "base/path_service.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/history/top_sites_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "components/devtools_http_handler/devtools_http_handler.h"
#include "components/devtools_http_handler/devtools_http_handler_delegate.h"
#include "components/history/core/browser/top_sites.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/devtools_frontend_host.h"
#include "grit/browser_resources.h"
#include "net/base/net_errors.h"
#include "net/socket/tcp_server_socket.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
base::LazyInstance<bool>::Leaky g_tethering_enabled = LAZY_INSTANCE_INITIALIZER;
const uint16_t kMinTetheringPort = 9333;
const uint16_t kMaxTetheringPort = 9444;
const int kBackLog = 10;
class TCPServerSocketFactory
: public devtools_http_handler::DevToolsHttpHandler::ServerSocketFactory {
public:
TCPServerSocketFactory(const std::string& address, uint16_t port)
: address_(address),
port_(port),
last_tethering_port_(kMinTetheringPort) {}
private:
// devtools_http_handler::DevToolsHttpHandler::ServerSocketFactory.
scoped_ptr<net::ServerSocket> CreateForHttpServer() override {
scoped_ptr<net::ServerSocket> socket(
new net::TCPServerSocket(nullptr, net::NetLog::Source()));
if (socket->ListenWithAddressAndPort(address_, port_, kBackLog) != net::OK)
return scoped_ptr<net::ServerSocket>();
return socket;
}
scoped_ptr<net::ServerSocket> CreateForTethering(std::string* name) override {
if (!g_tethering_enabled.Get())
return scoped_ptr<net::ServerSocket>();
if (last_tethering_port_ == kMaxTetheringPort)
last_tethering_port_ = kMinTetheringPort;
uint16_t port = ++last_tethering_port_;
*name = base::UintToString(port);
scoped_ptr<net::TCPServerSocket> socket(
new net::TCPServerSocket(nullptr, net::NetLog::Source()));
if (socket->ListenWithAddressAndPort("127.0.0.1", port, kBackLog) !=
net::OK) {
return scoped_ptr<net::ServerSocket>();
}
return std::move(socket);
}
std::string address_;
uint16_t port_;
uint16_t last_tethering_port_;
DISALLOW_COPY_AND_ASSIGN(TCPServerSocketFactory);
};
class ChromeDevToolsHttpHandlerDelegate
: public devtools_http_handler::DevToolsHttpHandlerDelegate {
public:
ChromeDevToolsHttpHandlerDelegate();
~ChromeDevToolsHttpHandlerDelegate() override;
// devtools_http_handler::DevToolsHttpHandlerDelegate implementation.
std::string GetDiscoveryPageHTML() override;
std::string GetFrontendResource(const std::string& path) override;
std::string GetPageThumbnailData(const GURL& url) override;
content::DevToolsExternalAgentProxyDelegate*
HandleWebSocketConnection(const std::string& path) override;
private:
DISALLOW_COPY_AND_ASSIGN(ChromeDevToolsHttpHandlerDelegate);
};
ChromeDevToolsHttpHandlerDelegate::ChromeDevToolsHttpHandlerDelegate() {
}
ChromeDevToolsHttpHandlerDelegate::~ChromeDevToolsHttpHandlerDelegate() {
}
std::string ChromeDevToolsHttpHandlerDelegate::GetDiscoveryPageHTML() {
std::set<Profile*> profiles;
for (auto* browser : *BrowserList::GetInstance())
profiles.insert(browser->profile());
for (std::set<Profile*>::iterator it = profiles.begin();
it != profiles.end(); ++it) {
scoped_refptr<history::TopSites> ts = TopSitesFactory::GetForProfile(*it);
if (ts) {
// TopSites updates itself after a delay. Ask TopSites to update itself
// when we're about to show the remote debugging landing page.
ts->SyncWithHistory();
}
}
return ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_DEVTOOLS_DISCOVERY_PAGE_HTML).as_string();
}
std::string ChromeDevToolsHttpHandlerDelegate::GetFrontendResource(
const std::string& path) {
return content::DevToolsFrontendHost::GetFrontendResource(path).as_string();
}
std::string ChromeDevToolsHttpHandlerDelegate::GetPageThumbnailData(
const GURL& url) {
for (auto* browser : *BrowserList::GetInstance()) {
Profile* profile = browser->profile();
scoped_refptr<history::TopSites> top_sites =
TopSitesFactory::GetForProfile(profile);
if (!top_sites)
continue;
scoped_refptr<base::RefCountedMemory> data;
if (top_sites->GetPageThumbnail(url, false, &data))
return std::string(data->front_as<char>(), data->size());
}
return std::string();
}
content::DevToolsExternalAgentProxyDelegate*
ChromeDevToolsHttpHandlerDelegate::HandleWebSocketConnection(
const std::string& path) {
return DevToolsWindow::CreateWebSocketAPIChannel(path);
}
} // namespace
// static
void RemoteDebuggingServer::EnableTetheringForDebug() {
g_tethering_enabled.Get() = true;
}
RemoteDebuggingServer::RemoteDebuggingServer(
chrome::HostDesktopType host_desktop_type,
const std::string& ip,
uint16_t port) {
base::FilePath output_dir;
if (!port) {
// The client requested an ephemeral port. Must write the selected
// port to a well-known location in the profile directory to
// bootstrap the connection process.
bool result = PathService::Get(chrome::DIR_USER_DATA, &output_dir);
DCHECK(result);
}
base::FilePath debug_frontend_dir;
#if defined(DEBUG_DEVTOOLS)
PathService::Get(chrome::DIR_INSPECTOR, &debug_frontend_dir);
#endif
devtools_http_handler_.reset(new devtools_http_handler::DevToolsHttpHandler(
make_scoped_ptr(new TCPServerSocketFactory(ip, port)),
std::string(),
new ChromeDevToolsHttpHandlerDelegate(),
output_dir,
debug_frontend_dir,
version_info::GetProductNameAndVersionForUserAgent(),
::GetUserAgent()));
}
RemoteDebuggingServer::~RemoteDebuggingServer() {
// Ensure Profile is alive, because the whole DevTools subsystem
// accesses it during shutdown.
DCHECK(g_browser_process->profile_manager());
}
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