| // 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/ui/webui/devtools_ui.h" |
| |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "base/memory/ref_counted_memory.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "chrome/browser/devtools/device/devtools_android_bridge.h" |
| #include "chrome/browser/devtools/devtools_target_impl.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/devtools_http_handler.h" |
| #include "content/public/browser/navigation_controller.h" |
| #include "content/public/browser/navigation_details.h" |
| #include "content/public/browser/navigation_entry.h" |
| #include "content/public/browser/url_data_source.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/browser/web_ui.h" |
| #include "net/url_request/url_fetcher.h" |
| #include "net/url_request/url_fetcher_delegate.h" |
| #include "net/url_request/url_request_context_getter.h" |
| #include "ui/base/resource/resource_bundle.h" |
| |
| using content::BrowserThread; |
| using content::WebContents; |
| |
| namespace { |
| |
| std::string PathWithoutParams(const std::string& path) { |
| return GURL(std::string("chrome-devtools://devtools/") + path) |
| .path().substr(1); |
| } |
| |
| const char kRemoteFrontendDomain[] = "chrome-devtools-frontend.appspot.com"; |
| const char kRemoteFrontendBase[] = |
| "https://chrome-devtools-frontend.appspot.com/"; |
| const char kHttpNotFound[] = "HTTP/1.1 404 Not Found\n\n"; |
| |
| #if defined(DEBUG_DEVTOOLS) |
| // Local frontend url provided by InspectUI. |
| const char kFallbackFrontendURL[] = |
| "chrome-devtools://devtools/bundled/devtools.html"; |
| #else |
| // URL causing the DevTools window to display a plain text warning. |
| const char kFallbackFrontendURL[] = |
| "data:text/plain,Cannot load DevTools frontend from an untrusted origin"; |
| #endif // defined(DEBUG_DEVTOOLS) |
| |
| const char kRemoteOpenPrefix[] = "remote/open"; |
| |
| #if defined(DEBUG_DEVTOOLS) |
| const char kLocalSerial[] = "local"; |
| #endif // defined(DEBUG_DEVTOOLS) |
| |
| // FetchRequest --------------------------------------------------------------- |
| |
| class FetchRequest : public net::URLFetcherDelegate { |
| public: |
| FetchRequest(net::URLRequestContextGetter* request_context, |
| const GURL& url, |
| const content::URLDataSource::GotDataCallback& callback); |
| |
| private: |
| ~FetchRequest() override {} |
| void OnURLFetchComplete(const net::URLFetcher* source) override; |
| scoped_ptr<net::URLFetcher> fetcher_; |
| content::URLDataSource::GotDataCallback callback_; |
| }; |
| |
| FetchRequest::FetchRequest( |
| net::URLRequestContextGetter* request_context, |
| const GURL& url, |
| const content::URLDataSource::GotDataCallback& callback) |
| : callback_(callback) { |
| if (!url.is_valid()) { |
| OnURLFetchComplete(NULL); |
| return; |
| } |
| |
| fetcher_.reset(net::URLFetcher::Create(url, net::URLFetcher::GET, this)); |
| fetcher_->SetRequestContext(request_context); |
| fetcher_->Start(); |
| } |
| |
| void FetchRequest::OnURLFetchComplete(const net::URLFetcher* source) { |
| std::string response; |
| if (source) |
| source->GetResponseAsString(&response); |
| else |
| response = kHttpNotFound; |
| |
| callback_.Run(base::RefCountedString::TakeString(&response)); |
| delete this; |
| } |
| |
| // DevToolsDataSource --------------------------------------------------------- |
| |
| std::string GetMimeTypeForPath(const std::string& path) { |
| std::string filename = PathWithoutParams(path); |
| if (EndsWith(filename, ".html", false)) { |
| return "text/html"; |
| } else if (EndsWith(filename, ".css", false)) { |
| return "text/css"; |
| } else if (EndsWith(filename, ".js", false)) { |
| return "application/javascript"; |
| } else if (EndsWith(filename, ".png", false)) { |
| return "image/png"; |
| } else if (EndsWith(filename, ".gif", false)) { |
| return "image/gif"; |
| } else if (EndsWith(filename, ".manifest", false)) { |
| return "text/cache-manifest"; |
| } |
| return "text/html"; |
| } |
| |
| // An URLDataSource implementation that handles chrome-devtools://devtools/ |
| // requests. Three types of requests could be handled based on the URL path: |
| // 1. /bundled/: bundled DevTools frontend is served. |
| // 2. /remote/: remote DevTools frontend is served from App Engine. |
| // 3. /remote/open/: query is URL which is opened on remote device. |
| class DevToolsDataSource : public content::URLDataSource { |
| public: |
| explicit DevToolsDataSource(net::URLRequestContextGetter* request_context); |
| |
| // content::URLDataSource implementation. |
| std::string GetSource() const override; |
| |
| void StartDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) override; |
| |
| private: |
| // content::URLDataSource overrides. |
| std::string GetMimeType(const std::string& path) const override; |
| bool ShouldAddContentSecurityPolicy() const override; |
| bool ShouldServeMimeTypeAsContentTypeHeader() const override; |
| |
| // Serves bundled DevTools frontend from ResourceBundle. |
| void StartBundledDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback); |
| |
| // Serves remote DevTools frontend from hard-coded App Engine domain. |
| void StartRemoteDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback); |
| |
| ~DevToolsDataSource() override {} |
| scoped_refptr<net::URLRequestContextGetter> request_context_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DevToolsDataSource); |
| }; |
| |
| DevToolsDataSource::DevToolsDataSource( |
| net::URLRequestContextGetter* request_context) |
| : request_context_(request_context) { |
| } |
| |
| std::string DevToolsDataSource::GetSource() const { |
| return chrome::kChromeUIDevToolsHost; |
| } |
| |
| void DevToolsDataSource::StartDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) { |
| // Serve request from local bundle. |
| std::string bundled_path_prefix(chrome::kChromeUIDevToolsBundledPath); |
| bundled_path_prefix += "/"; |
| if (StartsWithASCII(path, bundled_path_prefix, false)) { |
| StartBundledDataRequest(path.substr(bundled_path_prefix.length()), |
| render_process_id, render_frame_id, callback); |
| return; |
| } |
| |
| // Serve static response while connecting to the remote device. |
| if (StartsWithASCII(path, kRemoteOpenPrefix, false)) { |
| if (!CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableDevToolsExperiments)) { |
| callback.Run(NULL); |
| return; |
| } |
| std::string response = "Connecting to the device..."; |
| callback.Run(base::RefCountedString::TakeString(&response)); |
| return; |
| } |
| |
| // Serve request from remote location. |
| std::string remote_path_prefix(chrome::kChromeUIDevToolsRemotePath); |
| remote_path_prefix += "/"; |
| if (StartsWithASCII(path, remote_path_prefix, false)) { |
| StartRemoteDataRequest(path.substr(remote_path_prefix.length()), |
| render_process_id, render_frame_id, callback); |
| return; |
| } |
| |
| callback.Run(NULL); |
| } |
| |
| std::string DevToolsDataSource::GetMimeType(const std::string& path) const { |
| return GetMimeTypeForPath(path); |
| } |
| |
| bool DevToolsDataSource::ShouldAddContentSecurityPolicy() const { |
| return false; |
| } |
| |
| bool DevToolsDataSource::ShouldServeMimeTypeAsContentTypeHeader() const { |
| return true; |
| } |
| |
| void DevToolsDataSource::StartBundledDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) { |
| std::string filename = PathWithoutParams(path); |
| |
| int resource_id = |
| content::DevToolsHttpHandler::GetFrontendResourceId(filename); |
| |
| DLOG_IF(WARNING, resource_id == -1) |
| << "Unable to find dev tool resource: " << filename |
| << ". If you compiled with debug_devtools=1, try running with " |
| "--debug-devtools."; |
| const ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| scoped_refptr<base::RefCountedStaticMemory> bytes(rb.LoadDataResourceBytes( |
| resource_id)); |
| callback.Run(bytes.get()); |
| } |
| |
| void DevToolsDataSource::StartRemoteDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) { |
| GURL url = GURL(kRemoteFrontendBase + path); |
| CHECK_EQ(url.host(), kRemoteFrontendDomain); |
| new FetchRequest(request_context_.get(), url, callback); |
| } |
| |
| // OpenRemotePageRequest ------------------------------------------------------ |
| |
| class OpenRemotePageRequest : public DevToolsAndroidBridge::DeviceListListener { |
| public: |
| OpenRemotePageRequest( |
| Profile* profile, |
| const std::string url, |
| const DevToolsAndroidBridge::RemotePageCallback& callback); |
| ~OpenRemotePageRequest() override {} |
| |
| private: |
| // DevToolsAndroidBridge::Listener overrides. |
| void DeviceListChanged( |
| const DevToolsAndroidBridge::RemoteDevices& devices) override; |
| |
| bool OpenInBrowser( |
| scoped_refptr<DevToolsAndroidBridge::RemoteBrowser> browser); |
| void RemotePageOpened(scoped_refptr<DevToolsAndroidBridge::RemotePage> page); |
| |
| std::string url_; |
| DevToolsAndroidBridge::RemotePageCallback callback_; |
| bool opening_; |
| scoped_refptr<DevToolsAndroidBridge> android_bridge_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OpenRemotePageRequest); |
| }; |
| |
| OpenRemotePageRequest::OpenRemotePageRequest( |
| Profile* profile, |
| const std::string url, |
| const DevToolsAndroidBridge::RemotePageCallback& callback) |
| : url_(url), |
| callback_(callback), |
| opening_(false), |
| android_bridge_( |
| DevToolsAndroidBridge::Factory::GetForProfile(profile)) { |
| android_bridge_->AddDeviceListListener(this); |
| } |
| |
| void OpenRemotePageRequest::DeviceListChanged( |
| const DevToolsAndroidBridge::RemoteDevices& devices) { |
| if (opening_) |
| return; |
| |
| for (DevToolsAndroidBridge::RemoteDevices::const_iterator dit = |
| devices.begin(); dit != devices.end(); ++dit) { |
| DevToolsAndroidBridge::RemoteDevice* device = dit->get(); |
| if (!device->is_connected()) |
| continue; |
| |
| DevToolsAndroidBridge::RemoteBrowsers& browsers = device->browsers(); |
| for (DevToolsAndroidBridge::RemoteBrowsers::iterator bit = |
| browsers.begin(); bit != browsers.end(); ++bit) { |
| if (OpenInBrowser(bit->get())) { |
| opening_ = true; |
| return; |
| } |
| } |
| } |
| } |
| |
| bool OpenRemotePageRequest::OpenInBrowser( |
| scoped_refptr<DevToolsAndroidBridge::RemoteBrowser> browser) { |
| if (!browser->IsChrome()) |
| return false; |
| #if defined(DEBUG_DEVTOOLS) |
| if (browser->serial() == kLocalSerial) |
| return false; |
| #endif // defined(DEBUG_DEVTOOLS) |
| android_bridge_->OpenRemotePage( |
| browser, |
| url_, |
| base::Bind(&OpenRemotePageRequest::RemotePageOpened, |
| base::Unretained(this))); |
| return true; |
| } |
| |
| void OpenRemotePageRequest::RemotePageOpened( |
| scoped_refptr<DevToolsAndroidBridge::RemotePage> page) { |
| callback_.Run(page); |
| android_bridge_->RemoveDeviceListListener(this); |
| delete this; |
| } |
| |
| } // namespace |
| |
| // DevToolsUI ----------------------------------------------------------------- |
| |
| // static |
| GURL DevToolsUI::GetProxyURL(const std::string& frontend_url) { |
| GURL url(frontend_url); |
| if (!url.is_valid() || url.host() != kRemoteFrontendDomain) |
| return GURL(kFallbackFrontendURL); |
| return GURL(base::StringPrintf("%s://%s/%s/%s", |
| content::kChromeDevToolsScheme, |
| chrome::kChromeUIDevToolsHost, |
| chrome::kChromeUIDevToolsRemotePath, |
| url.path().substr(1).c_str())); |
| } |
| |
| DevToolsUI::DevToolsUI(content::WebUI* web_ui) |
| : WebUIController(web_ui), |
| content::WebContentsObserver(web_ui->GetWebContents()), |
| bindings_(web_ui->GetWebContents()), |
| weak_factory_(this) { |
| web_ui->SetBindings(0); |
| Profile* profile = Profile::FromWebUI(web_ui); |
| content::URLDataSource::Add( |
| profile, |
| new DevToolsDataSource(profile->GetRequestContext())); |
| } |
| |
| DevToolsUI::~DevToolsUI() { |
| } |
| |
| void DevToolsUI::NavigationEntryCommitted( |
| const content::LoadCommittedDetails& load_details) { |
| content::NavigationEntry* entry = load_details.entry; |
| if (!CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableDevToolsExperiments)) { |
| return; |
| } |
| |
| if (entry->GetVirtualURL() == remote_frontend_loading_url_) { |
| remote_frontend_loading_url_ = GURL(); |
| return; |
| } |
| |
| std::string path = entry->GetVirtualURL().path().substr(1); |
| if (!StartsWithASCII(path, kRemoteOpenPrefix, false)) |
| return; |
| |
| bindings_.Detach(); |
| remote_page_opening_url_ = entry->GetVirtualURL(); |
| new OpenRemotePageRequest(Profile::FromWebUI(web_ui()), |
| entry->GetVirtualURL().query(), |
| base::Bind(&DevToolsUI::RemotePageOpened, |
| weak_factory_.GetWeakPtr(), |
| entry->GetVirtualURL())); |
| } |
| |
| void DevToolsUI::RemotePageOpened( |
| const GURL& virtual_url, |
| scoped_refptr<DevToolsAndroidBridge::RemotePage> page) { |
| // Already navigated away while connecting to remote device. |
| if (remote_page_opening_url_ != virtual_url) |
| return; |
| |
| remote_page_opening_url_ = GURL(); |
| |
| Profile* profile = Profile::FromWebUI(web_ui()); |
| GURL url = DevToolsUIBindings::ApplyThemeToURL(profile, |
| DevToolsUI::GetProxyURL(page->frontend_url())); |
| |
| content::NavigationController& navigation_controller = |
| web_ui()->GetWebContents()->GetController(); |
| content::NavigationController::LoadURLParams params(url); |
| params.should_replace_current_entry = true; |
| remote_frontend_loading_url_ = virtual_url; |
| navigation_controller.LoadURLWithParams(params); |
| navigation_controller.GetPendingEntry()->SetVirtualURL(virtual_url); |
| |
| DevToolsAndroidBridge* bridge = |
| DevToolsAndroidBridge::Factory::GetForProfile(profile); |
| scoped_ptr<DevToolsTargetImpl> target(bridge->CreatePageTarget(page)); |
| bindings_.AttachTo(target->GetAgentHost()); |
| } |