| // Copyright 2016 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 "components/ui_devtools/devtools_server.h" |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/format_macros.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/values.h" |
| #include "net/base/net_errors.h" |
| #include "net/log/net_log.h" |
| #include "services/network/public/cpp/server/http_server_request_info.h" |
| #include "services/network/public/mojom/tcp_socket.mojom.h" |
| |
| namespace ui_devtools { |
| |
| namespace { |
| const char kChromeDeveloperToolsPrefix[] = |
| "chrome-devtools://devtools/bundled/inspector.html?ws="; |
| |
| bool IsDevToolsEnabled(const char* enable_devtools_flag) { |
| return base::CommandLine::ForCurrentProcess()->HasSwitch( |
| enable_devtools_flag); |
| } |
| |
| int GetUiDevToolsPort(const char* enable_devtools_flag, int default_port) { |
| DCHECK(IsDevToolsEnabled(enable_devtools_flag)); |
| // This value is duplicated in the chrome://flags description. |
| int port; |
| if (!base::StringToInt( |
| base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
| enable_devtools_flag), |
| &port)) |
| port = default_port; |
| return port; |
| } |
| |
| constexpr net::NetworkTrafficAnnotationTag kUIDevtoolsServer = |
| net::DefineNetworkTrafficAnnotation("ui_devtools_server", R"( |
| semantics { |
| sender: "UI Devtools Server" |
| description: |
| "Backend for UI DevTools, to inspect Aura/Views UI." |
| trigger: |
| "Run with '--enable-ui-devtools' switch." |
| data: "Debugging data, including any data on the open pages." |
| destination: OTHER |
| destination_other: "The data can be sent to any destination." |
| } |
| policy { |
| cookies_allowed: NO |
| setting: |
| "This request cannot be disabled in settings. However it will never " |
| "be made if user does not run with '--enable-ui-devtools' switch." |
| policy_exception_justification: |
| "Not implemented, only used in Devtools and is behind a switch." |
| })"); |
| |
| } // namespace |
| |
| UiDevToolsServer* UiDevToolsServer::devtools_server_ = nullptr; |
| |
| UiDevToolsServer::UiDevToolsServer(const char* enable_devtools_flag, |
| int default_port) |
| : port_(GetUiDevToolsPort(enable_devtools_flag, default_port)), |
| weak_ptr_factory_(this) { |
| DCHECK(!devtools_server_); |
| devtools_server_ = this; |
| } |
| |
| UiDevToolsServer::~UiDevToolsServer() { |
| devtools_server_ = nullptr; |
| } |
| |
| // static |
| std::unique_ptr<UiDevToolsServer> UiDevToolsServer::Create( |
| network::mojom::NetworkContext* network_context, |
| const char* enable_devtools_flag, |
| int default_port) { |
| std::unique_ptr<UiDevToolsServer> server; |
| if (IsDevToolsEnabled(enable_devtools_flag) && !devtools_server_) { |
| // TODO(mhashmi): Change port if more than one inspectable clients |
| server.reset(new UiDevToolsServer(enable_devtools_flag, default_port)); |
| server->Start(network_context, "0.0.0.0"); |
| } |
| return server; |
| } |
| |
| // static |
| std::vector<UiDevToolsServer::NameUrlPair> |
| UiDevToolsServer::GetClientNamesAndUrls() { |
| std::vector<NameUrlPair> pairs; |
| if (!devtools_server_) |
| return pairs; |
| |
| for (ClientsList::size_type i = 0; i != devtools_server_->clients_.size(); |
| i++) { |
| pairs.push_back(std::pair<std::string, std::string>( |
| devtools_server_->clients_[i]->name(), |
| base::StringPrintf("%s0.0.0.0:%d/%" PRIuS, kChromeDeveloperToolsPrefix, |
| devtools_server_->port(), i))); |
| } |
| return pairs; |
| } |
| |
| void UiDevToolsServer::AttachClient(std::unique_ptr<UiDevToolsClient> client) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| clients_.push_back(std::move(client)); |
| } |
| |
| void UiDevToolsServer::SendOverWebSocket(int connection_id, |
| const String& message) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| server_->SendOverWebSocket(connection_id, message, kUIDevtoolsServer); |
| } |
| |
| void UiDevToolsServer::Start(network::mojom::NetworkContext* network_context, |
| const std::string& address_string) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| DCHECK(!server_); |
| |
| network::mojom::TCPServerSocketPtr server_socket; |
| net::IPAddress address; |
| |
| if (!address.AssignFromIPLiteral(address_string)) |
| return; |
| |
| constexpr int kBacklog = 1; |
| network_context->CreateTCPServerSocket( |
| net::IPEndPoint(address, port_), kBacklog, |
| net::MutableNetworkTrafficAnnotationTag(kUIDevtoolsServer), |
| mojo::MakeRequest(&server_socket), |
| base::BindOnce(&UiDevToolsServer::MakeServer, |
| weak_ptr_factory_.GetWeakPtr(), std::move(server_socket))); |
| } |
| |
| void UiDevToolsServer::MakeServer( |
| network::mojom::TCPServerSocketPtr server_socket, |
| int result, |
| const base::Optional<net::IPEndPoint>& local_addr) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| if (result == net::OK) { |
| server_ = std::make_unique<network::server::HttpServer>( |
| std::move(server_socket), this); |
| } |
| } |
| |
| // HttpServer::Delegate Implementation |
| void UiDevToolsServer::OnConnect(int connection_id) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void UiDevToolsServer::OnHttpRequest( |
| int connection_id, |
| const network::server::HttpServerRequestInfo& info) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void UiDevToolsServer::OnWebSocketRequest( |
| int connection_id, |
| const network::server::HttpServerRequestInfo& info) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| size_t target_id = 0; |
| if (info.path.empty() || |
| !base::StringToSizeT(info.path.substr(1), &target_id) || |
| target_id > clients_.size()) |
| return; |
| |
| UiDevToolsClient* client = clients_[target_id].get(); |
| // Only one user can inspect the client at a time |
| if (client->connected()) |
| return; |
| client->set_connection_id(connection_id); |
| connections_[connection_id] = client; |
| server_->AcceptWebSocket(connection_id, info, kUIDevtoolsServer); |
| } |
| |
| void UiDevToolsServer::OnWebSocketMessage(int connection_id, |
| const std::string& data) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| ConnectionsMap::iterator it = connections_.find(connection_id); |
| DCHECK(it != connections_.end()); |
| UiDevToolsClient* client = it->second; |
| client->Dispatch(data); |
| } |
| |
| void UiDevToolsServer::OnClose(int connection_id) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(devtools_server_sequence_); |
| ConnectionsMap::iterator it = connections_.find(connection_id); |
| if (it == connections_.end()) |
| return; |
| UiDevToolsClient* client = it->second; |
| client->Disconnect(); |
| connections_.erase(it); |
| } |
| |
| } // namespace ui_devtools |