content/shell/browser/shell_devtools_manager_delegate.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/shell/browser/shell_devtools_manager_delegate.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/files/file_path.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "components/devtools_discovery/basic_target_descriptor.h"
  16 #include "components/devtools_discovery/devtools_discovery_manager.h"
  17 #include "components/devtools_http_handler/devtools_http_handler.h"
  18 #include "content/public/browser/devtools_agent_host.h"
  19 #include "content/public/browser/devtools_frontend_host.h"
  20 #include "content/public/browser/favicon_status.h"
  21 #include "content/public/browser/navigation_entry.h"
  22 #include "content/public/browser/render_view_host.h"
  23 #include "content/public/browser/web_contents.h"
  24 #include "content/public/common/content_switches.h"
  25 #include "content/public/common/url_constants.h"
  26 #include "content/public/common/user_agent.h"
  27 #include "content/shell/browser/shell.h"
  28 #include "content/shell/common/shell_content_client.h"
  29 #include "grit/shell_resources.h"
  30 #include "net/base/net_errors.h"
  31 #include "net/socket/tcp_server_socket.h"
  32 #include "ui/base/resource/resource_bundle.h"
  33
  34 #if defined(OS_ANDROID)
  35 #include "content/public/browser/android/devtools_auth.h"
  36 #include "net/socket/unix_domain_server_socket_posix.h"
  37 #endif
  38
  39 using devtools_http_handler::DevToolsHttpHandler;
  40
  41 namespace content {
  42
  43 namespace {
  44
  45 #if defined(OS_ANDROID)
  46 const char kFrontEndURL[] =
  47     "http://chrome-devtools-frontend.appspot.com/serve_rev/%s/inspector.html";
  48 #endif
  49
  50 const int kBackLog = 10;
  51
  52 #if defined(OS_ANDROID)
  53 class UnixDomainServerSocketFactory
  54     : public DevToolsHttpHandler::ServerSocketFactory {
  55  public:
  56   explicit UnixDomainServerSocketFactory(const std::string& socket_name)
  57       : socket_name_(socket_name) {}
  58
  59  private:
  60   // DevToolsHttpHandler::ServerSocketFactory.
  61   scoped_ptr<net::ServerSocket> CreateForHttpServer() override {
  62     scoped_ptr<net::ServerSocket> socket(
  63         new net::UnixDomainServerSocket(
  64             base::Bind(&CanUserConnectToDevTools),
  65             true /* use_abstract_namespace */));
  66     if (socket->ListenWithAddressAndPort(socket_name_, 0, kBackLog) != net::OK)
  67       return scoped_ptr<net::ServerSocket>();
  68
  69     return socket;
  70   }
  71
  72   std::string socket_name_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(UnixDomainServerSocketFactory);
  75 };
  76 #else
  77 class TCPServerSocketFactory
  78     : public DevToolsHttpHandler::ServerSocketFactory {
  79  public:
  80   TCPServerSocketFactory(const std::string& address, uint16 port)
  81       : address_(address), port_(port) {
  82   }
  83
  84  private:
  85   // DevToolsHttpHandler::ServerSocketFactory.
  86   scoped_ptr<net::ServerSocket> CreateForHttpServer() override {
  87     scoped_ptr<net::ServerSocket> socket(
  88         new net::TCPServerSocket(nullptr, net::NetLog::Source()));
  89     if (socket->ListenWithAddressAndPort(address_, port_, kBackLog) != net::OK)
  90       return scoped_ptr<net::ServerSocket>();
  91
  92     return socket;
  93   }
  94
  95   std::string address_;
  96   uint16 port_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(TCPServerSocketFactory);
  99 };
 100 #endif
 101
 102 scoped_ptr<DevToolsHttpHandler::ServerSocketFactory>
 103 CreateSocketFactory() {
 104   const base::CommandLine& command_line =
 105       *base::CommandLine::ForCurrentProcess();
 106 #if defined(OS_ANDROID)
 107   std::string socket_name = "content_shell_devtools_remote";
 108   if (command_line.HasSwitch(switches::kRemoteDebuggingSocketName)) {
 109     socket_name = command_line.GetSwitchValueASCII(
 110         switches::kRemoteDebuggingSocketName);
 111   }
 112   return scoped_ptr<DevToolsHttpHandler::ServerSocketFactory>(
 113       new UnixDomainServerSocketFactory(socket_name));
 114 #else
 115   // See if the user specified a port on the command line (useful for
 116   // automation). If not, use an ephemeral port by specifying 0.
 117   uint16 port = 0;
 118   if (command_line.HasSwitch(switches::kRemoteDebuggingPort)) {
 119     int temp_port;
 120     std::string port_str =
 121         command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 122     if (base::StringToInt(port_str, &temp_port) &&
 123         temp_port > 0 && temp_port < 65535) {
 124       port = static_cast<uint16>(temp_port);
 125     } else {
 126       DLOG(WARNING) << "Invalid http debugger port number " << temp_port;
 127     }
 128   }
 129   return scoped_ptr<DevToolsHttpHandler::ServerSocketFactory>(
 130       new TCPServerSocketFactory("127.0.0.1", port));
 131 #endif
 132 }
 133
 134 scoped_ptr<devtools_discovery::DevToolsTargetDescriptor>
 135 CreateNewShellTarget(BrowserContext* browser_context, const GURL& url) {
 136   Shell* shell = Shell::CreateNewWindow(browser_context,
 137                                         url,
 138                                         nullptr,
 139                                         gfx::Size());
 140   return make_scoped_ptr(new devtools_discovery::BasicTargetDescriptor(
 141       DevToolsAgentHost::GetOrCreateFor(shell->web_contents())));
 142 }
 143
 144 // ShellDevToolsDelegate ----------------------------------------------------
 145
 146 class ShellDevToolsDelegate :
 147     public devtools_http_handler::DevToolsHttpHandlerDelegate {
 148  public:
 149   explicit ShellDevToolsDelegate(BrowserContext* browser_context);
 150   ~ShellDevToolsDelegate() override;
 151
 152   // devtools_http_handler::DevToolsHttpHandlerDelegate implementation.
 153   std::string GetDiscoveryPageHTML() override;
 154   std::string GetFrontendResource(const std::string& path) override;
 155   std::string GetPageThumbnailData(const GURL& url) override;
 156   DevToolsExternalAgentProxyDelegate*
 157       HandleWebSocketConnection(const std::string& path) override;
 158
 159  private:
 160   BrowserContext* browser_context_;
 161
 162   DISALLOW_COPY_AND_ASSIGN(ShellDevToolsDelegate);
 163 };
 164
 165 ShellDevToolsDelegate::ShellDevToolsDelegate(BrowserContext* browser_context)
 166     : browser_context_(browser_context) {
 167   devtools_discovery::DevToolsDiscoveryManager::GetInstance()->
 168       SetCreateCallback(base::Bind(&CreateNewShellTarget,
 169                                    base::Unretained(browser_context)));
 170 }
 171
 172 ShellDevToolsDelegate::~ShellDevToolsDelegate() {
 173   devtools_discovery::DevToolsDiscoveryManager::GetInstance()->
 174       SetCreateCallback(
 175           devtools_discovery::DevToolsDiscoveryManager::CreateCallback());
 176 }
 177
 178 std::string ShellDevToolsDelegate::GetDiscoveryPageHTML() {
 179 #if defined(OS_ANDROID)
 180   return std::string();
 181 #else
 182   return ResourceBundle::GetSharedInstance().GetRawDataResource(
 183       IDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE).as_string();
 184 #endif
 185 }
 186
 187 std::string ShellDevToolsDelegate::GetFrontendResource(
 188     const std::string& path) {
 189   return content::DevToolsFrontendHost::GetFrontendResource(path).as_string();
 190 }
 191
 192 std::string ShellDevToolsDelegate::GetPageThumbnailData(const GURL& url) {
 193   return std::string();
 194 }
 195
 196 DevToolsExternalAgentProxyDelegate*
 197 ShellDevToolsDelegate::HandleWebSocketConnection(const std::string& path) {
 198   return nullptr;
 199 }
 200
 201 }  // namespace
 202
 203 // ShellDevToolsManagerDelegate ----------------------------------------------
 204
 205 // static
 206 DevToolsHttpHandler*
 207 ShellDevToolsManagerDelegate::CreateHttpHandler(
 208     BrowserContext* browser_context) {
 209   std::string frontend_url;
 210 #if defined(OS_ANDROID)
 211   frontend_url = base::StringPrintf(kFrontEndURL, GetWebKitRevision().c_str());
 212 #endif
 213   return new DevToolsHttpHandler(
 214       CreateSocketFactory(),
 215       frontend_url,
 216       new ShellDevToolsDelegate(browser_context),
 217       base::FilePath(),
 218       base::FilePath(),
 219       std::string(),
 220       GetShellUserAgent());
 221 }
 222
 223 ShellDevToolsManagerDelegate::ShellDevToolsManagerDelegate(
 224     BrowserContext* browser_context)
 225     : browser_context_(browser_context) {
 226 }
 227
 228 ShellDevToolsManagerDelegate::~ShellDevToolsManagerDelegate() {
 229 }
 230
 231 base::DictionaryValue* ShellDevToolsManagerDelegate::HandleCommand(
 232     DevToolsAgentHost* agent_host,
 233     base::DictionaryValue* command) {
 234   return NULL;
 235 }
 236
 237 }  // namespace content