/
common_web_contents_delegate.cc
661 lines (579 loc) · 24.3 KB
/
common_web_contents_delegate.cc
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// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/common_web_contents_delegate.h"
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "atom/browser/atom_browser_client.h"
#include "atom/browser/atom_browser_context.h"
#include "atom/browser/native_window.h"
#include "atom/browser/ui/file_dialog.h"
#include "atom/browser/web_contents_preferences.h"
#include "atom/browser/web_dialog_helper.h"
#include "atom/common/atom_constants.h"
#include "atom/common/options_switches.h"
#include "base/files/file_util.h"
#include "base/json/json_reader.h"
#include "base/task/post_task.h"
#include "base/threading/scoped_blocking_call.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "chrome/browser/ssl/security_state_tab_helper.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/security_state/content/content_utils.h"
#include "components/security_state/core/security_state.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h" // nogncheck
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/file_select_listener.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/security_style_explanation.h"
#include "content/public/browser/security_style_explanations.h"
#include "printing/buildflags/buildflags.h"
#include "storage/browser/fileapi/isolated_context.h"
#if BUILDFLAG(ENABLE_COLOR_CHOOSER)
#include "chrome/browser/ui/color_chooser.h"
#endif
#if BUILDFLAG(ENABLE_OSR)
#include "atom/browser/osr/osr_web_contents_view.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "atom/browser/printing/print_preview_message_handler.h"
#include "chrome/browser/printing/print_view_manager_basic.h"
#include "components/printing/browser/print_manager_utils.h"
#endif
using content::BrowserThread;
namespace atom {
namespace {
const char kRootName[] = "<root>";
struct FileSystem {
FileSystem() {}
FileSystem(const std::string& type,
const std::string& file_system_name,
const std::string& root_url,
const std::string& file_system_path)
: type(type),
file_system_name(file_system_name),
root_url(root_url),
file_system_path(file_system_path) {}
std::string type;
std::string file_system_name;
std::string root_url;
std::string file_system_path;
};
std::string RegisterFileSystem(content::WebContents* web_contents,
const base::FilePath& path) {
auto* isolated_context = storage::IsolatedContext::GetInstance();
std::string root_name(kRootName);
storage::IsolatedContext::ScopedFSHandle file_system =
isolated_context->RegisterFileSystemForPath(
storage::kFileSystemTypeNativeLocal, std::string(), path, &root_name);
content::ChildProcessSecurityPolicy* policy =
content::ChildProcessSecurityPolicy::GetInstance();
content::RenderViewHost* render_view_host = web_contents->GetRenderViewHost();
int renderer_id = render_view_host->GetProcess()->GetID();
policy->GrantReadFileSystem(renderer_id, file_system.id());
policy->GrantWriteFileSystem(renderer_id, file_system.id());
policy->GrantCreateFileForFileSystem(renderer_id, file_system.id());
policy->GrantDeleteFromFileSystem(renderer_id, file_system.id());
if (!policy->CanReadFile(renderer_id, path))
policy->GrantReadFile(renderer_id, path);
return file_system.id();
}
FileSystem CreateFileSystemStruct(content::WebContents* web_contents,
const std::string& file_system_id,
const std::string& file_system_path,
const std::string& type) {
const GURL origin = web_contents->GetURL().GetOrigin();
std::string file_system_name =
storage::GetIsolatedFileSystemName(origin, file_system_id);
std::string root_url = storage::GetIsolatedFileSystemRootURIString(
origin, file_system_id, kRootName);
return FileSystem(type, file_system_name, root_url, file_system_path);
}
std::unique_ptr<base::DictionaryValue> CreateFileSystemValue(
const FileSystem& file_system) {
std::unique_ptr<base::DictionaryValue> file_system_value(
new base::DictionaryValue());
file_system_value->SetString("type", file_system.type);
file_system_value->SetString("fileSystemName", file_system.file_system_name);
file_system_value->SetString("rootURL", file_system.root_url);
file_system_value->SetString("fileSystemPath", file_system.file_system_path);
return file_system_value;
}
void WriteToFile(const base::FilePath& path, const std::string& content) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::WILL_BLOCK);
DCHECK(!path.empty());
base::WriteFile(path, content.data(), content.size());
}
void AppendToFile(const base::FilePath& path, const std::string& content) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::WILL_BLOCK);
DCHECK(!path.empty());
base::AppendToFile(path, content.data(), content.size());
}
PrefService* GetPrefService(content::WebContents* web_contents) {
auto* context = web_contents->GetBrowserContext();
return static_cast<atom::AtomBrowserContext*>(context)->prefs();
}
std::map<std::string, std::string> GetAddedFileSystemPaths(
content::WebContents* web_contents) {
auto* pref_service = GetPrefService(web_contents);
const base::DictionaryValue* file_system_paths_value =
pref_service->GetDictionary(prefs::kDevToolsFileSystemPaths);
std::map<std::string, std::string> result;
if (file_system_paths_value) {
base::DictionaryValue::Iterator it(*file_system_paths_value);
for (; !it.IsAtEnd(); it.Advance()) {
std::string type =
it.value().is_string() ? it.value().GetString() : std::string();
result[it.key()] = type;
}
}
return result;
}
bool IsDevToolsFileSystemAdded(content::WebContents* web_contents,
const std::string& file_system_path) {
auto file_system_paths = GetAddedFileSystemPaths(web_contents);
return file_system_paths.find(file_system_path) != file_system_paths.end();
}
} // namespace
CommonWebContentsDelegate::CommonWebContentsDelegate()
: devtools_file_system_indexer_(new DevToolsFileSystemIndexer),
file_task_runner_(
base::CreateSequencedTaskRunnerWithTraits({base::MayBlock()})),
weak_factory_(this) {}
CommonWebContentsDelegate::~CommonWebContentsDelegate() {}
void CommonWebContentsDelegate::InitWithWebContents(
content::WebContents* web_contents,
AtomBrowserContext* browser_context,
bool is_guest) {
browser_context_ = browser_context;
web_contents->SetDelegate(this);
#if BUILDFLAG(ENABLE_PRINTING)
PrintPreviewMessageHandler::CreateForWebContents(web_contents);
printing::PrintViewManagerBasic::CreateForWebContents(web_contents);
printing::CreateCompositeClientIfNeeded(web_contents,
browser_context->GetUserAgent());
#endif
// Determien whether the WebContents is offscreen.
auto* web_preferences = WebContentsPreferences::From(web_contents);
offscreen_ =
web_preferences && web_preferences->IsEnabled(options::kOffscreen);
// Create InspectableWebContents.
web_contents_.reset(InspectableWebContents::Create(
web_contents, browser_context->prefs(), is_guest));
web_contents_->SetDelegate(this);
}
void CommonWebContentsDelegate::SetOwnerWindow(NativeWindow* owner_window) {
SetOwnerWindow(GetWebContents(), owner_window);
}
void CommonWebContentsDelegate::SetOwnerWindow(
content::WebContents* web_contents,
NativeWindow* owner_window) {
if (owner_window) {
owner_window_ = owner_window->GetWeakPtr();
#if defined(TOOLKIT_VIEWS)
autofill_popup_.reset(new AutofillPopup());
#endif
NativeWindowRelay::CreateForWebContents(web_contents,
owner_window->GetWeakPtr());
} else {
owner_window_ = nullptr;
web_contents->RemoveUserData(NativeWindowRelay::UserDataKey());
}
#if BUILDFLAG(ENABLE_OSR)
auto* osr_wcv = GetOffScreenWebContentsView();
if (osr_wcv)
osr_wcv->SetNativeWindow(owner_window);
#endif
}
void CommonWebContentsDelegate::ResetManagedWebContents(bool async) {
if (async) {
// Browser context should be destroyed only after the WebContents,
// this is guaranteed in the sync mode by the order of declaration,
// in the async version we maintain a reference until the WebContents
// is destroyed.
// //electron/patches/common/chromium/content_browser_main_loop.patch
// is required to get the right quit closure for the main message loop.
base::ThreadTaskRunnerHandle::Get()->PostNonNestableTask(
FROM_HERE,
base::BindOnce(
[](scoped_refptr<AtomBrowserContext> browser_context,
std::unique_ptr<InspectableWebContents> web_contents) {
web_contents.reset();
},
base::RetainedRef(browser_context_), std::move(web_contents_)));
} else {
web_contents_.reset();
}
}
content::WebContents* CommonWebContentsDelegate::GetWebContents() const {
if (!web_contents_)
return nullptr;
return web_contents_->GetWebContents();
}
content::WebContents* CommonWebContentsDelegate::GetDevToolsWebContents()
const {
if (!web_contents_)
return nullptr;
return web_contents_->GetDevToolsWebContents();
}
#if BUILDFLAG(ENABLE_OSR)
OffScreenWebContentsView*
CommonWebContentsDelegate::GetOffScreenWebContentsView() const {
return nullptr;
}
#endif
content::WebContents* CommonWebContentsDelegate::OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) {
content::NavigationController::LoadURLParams load_url_params(params.url);
load_url_params.referrer = params.referrer;
load_url_params.transition_type = params.transition;
load_url_params.extra_headers = params.extra_headers;
load_url_params.should_replace_current_entry =
params.should_replace_current_entry;
load_url_params.is_renderer_initiated = params.is_renderer_initiated;
load_url_params.initiator_origin = params.initiator_origin;
load_url_params.should_clear_history_list = true;
source->GetController().LoadURLWithParams(load_url_params);
return source;
}
bool CommonWebContentsDelegate::CanOverscrollContent() const {
return false;
}
content::ColorChooser* CommonWebContentsDelegate::OpenColorChooser(
content::WebContents* web_contents,
SkColor color,
const std::vector<blink::mojom::ColorSuggestionPtr>& suggestions) {
#if BUILDFLAG(ENABLE_COLOR_CHOOSER)
return chrome::ShowColorChooser(web_contents, color);
#else
return nullptr;
#endif
}
void CommonWebContentsDelegate::RunFileChooser(
content::RenderFrameHost* render_frame_host,
std::unique_ptr<content::FileSelectListener> listener,
const blink::mojom::FileChooserParams& params) {
if (!web_dialog_helper_)
web_dialog_helper_.reset(new WebDialogHelper(owner_window(), offscreen_));
web_dialog_helper_->RunFileChooser(render_frame_host, std::move(listener),
params);
}
void CommonWebContentsDelegate::EnumerateDirectory(
content::WebContents* guest,
std::unique_ptr<content::FileSelectListener> listener,
const base::FilePath& path) {
if (!web_dialog_helper_)
web_dialog_helper_.reset(new WebDialogHelper(owner_window(), offscreen_));
web_dialog_helper_->EnumerateDirectory(guest, std::move(listener), path);
}
void CommonWebContentsDelegate::EnterFullscreenModeForTab(
content::WebContents* source,
const GURL& origin,
const blink::WebFullscreenOptions& options) {
if (!owner_window_)
return;
if (IsFullscreenForTabOrPending(source)) {
DCHECK_EQ(fullscreen_frame_, source->GetFocusedFrame());
return;
}
SetHtmlApiFullscreen(true);
owner_window_->NotifyWindowEnterHtmlFullScreen();
}
void CommonWebContentsDelegate::ExitFullscreenModeForTab(
content::WebContents* source) {
if (!owner_window_)
return;
SetHtmlApiFullscreen(false);
owner_window_->NotifyWindowLeaveHtmlFullScreen();
}
bool CommonWebContentsDelegate::IsFullscreenForTabOrPending(
const content::WebContents* source) const {
return html_fullscreen_;
}
blink::WebSecurityStyle CommonWebContentsDelegate::GetSecurityStyle(
content::WebContents* web_contents,
content::SecurityStyleExplanations* security_style_explanations) {
SecurityStateTabHelper* helper =
SecurityStateTabHelper::FromWebContents(web_contents);
DCHECK(helper);
return security_state::GetSecurityStyle(helper->GetSecurityLevel(),
*helper->GetVisibleSecurityState(),
security_style_explanations);
}
bool CommonWebContentsDelegate::TakeFocus(content::WebContents* source,
bool reverse) {
if (source && source->GetOutermostWebContents() == source) {
// If this is the outermost web contents and the user has tabbed or
// shift + tabbed through all the elements, reset the focus back to
// the first or last element so that it doesn't stay in the body.
source->FocusThroughTabTraversal(reverse);
return true;
}
return false;
}
void CommonWebContentsDelegate::DevToolsSaveToFile(const std::string& url,
const std::string& content,
bool save_as) {
base::FilePath path;
auto it = saved_files_.find(url);
if (it != saved_files_.end() && !save_as) {
path = it->second;
} else {
file_dialog::DialogSettings settings;
settings.parent_window = owner_window();
settings.force_detached = offscreen_;
settings.title = url;
settings.default_path = base::FilePath::FromUTF8Unsafe(url);
if (!file_dialog::ShowSaveDialogSync(settings, &path)) {
base::Value url_value(url);
web_contents_->CallClientFunction("DevToolsAPI.canceledSaveURL",
&url_value, nullptr, nullptr);
return;
}
}
saved_files_[url] = path;
// Notify DevTools.
base::Value url_value(url);
base::Value file_system_path_value(path.AsUTF8Unsafe());
web_contents_->CallClientFunction("DevToolsAPI.savedURL", &url_value,
&file_system_path_value, nullptr);
file_task_runner_->PostTask(FROM_HERE,
base::BindOnce(&WriteToFile, path, content));
}
void CommonWebContentsDelegate::DevToolsAppendToFile(
const std::string& url,
const std::string& content) {
auto it = saved_files_.find(url);
if (it == saved_files_.end())
return;
// Notify DevTools.
base::Value url_value(url);
web_contents_->CallClientFunction("DevToolsAPI.appendedToURL", &url_value,
nullptr, nullptr);
file_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&AppendToFile, it->second, content));
}
void CommonWebContentsDelegate::DevToolsRequestFileSystems() {
auto file_system_paths = GetAddedFileSystemPaths(GetDevToolsWebContents());
if (file_system_paths.empty()) {
base::ListValue empty_file_system_value;
web_contents_->CallClientFunction("DevToolsAPI.fileSystemsLoaded",
&empty_file_system_value, nullptr,
nullptr);
return;
}
std::vector<FileSystem> file_systems;
for (const auto& file_system_path : file_system_paths) {
base::FilePath path =
base::FilePath::FromUTF8Unsafe(file_system_path.first);
std::string file_system_id =
RegisterFileSystem(GetDevToolsWebContents(), path);
FileSystem file_system =
CreateFileSystemStruct(GetDevToolsWebContents(), file_system_id,
file_system_path.first, file_system_path.second);
file_systems.push_back(file_system);
}
base::ListValue file_system_value;
for (const auto& file_system : file_systems)
file_system_value.Append(CreateFileSystemValue(file_system));
web_contents_->CallClientFunction("DevToolsAPI.fileSystemsLoaded",
&file_system_value, nullptr, nullptr);
}
void CommonWebContentsDelegate::DevToolsAddFileSystem(
const std::string& type,
const base::FilePath& file_system_path) {
base::FilePath path = file_system_path;
if (path.empty()) {
std::vector<base::FilePath> paths;
file_dialog::DialogSettings settings;
settings.parent_window = owner_window();
settings.force_detached = offscreen_;
settings.properties = file_dialog::FILE_DIALOG_OPEN_DIRECTORY;
if (!file_dialog::ShowOpenDialogSync(settings, &paths))
return;
path = paths[0];
}
std::string file_system_id =
RegisterFileSystem(GetDevToolsWebContents(), path);
if (IsDevToolsFileSystemAdded(GetDevToolsWebContents(), path.AsUTF8Unsafe()))
return;
FileSystem file_system = CreateFileSystemStruct(
GetDevToolsWebContents(), file_system_id, path.AsUTF8Unsafe(), type);
std::unique_ptr<base::DictionaryValue> file_system_value(
CreateFileSystemValue(file_system));
auto* pref_service = GetPrefService(GetDevToolsWebContents());
DictionaryPrefUpdate update(pref_service, prefs::kDevToolsFileSystemPaths);
update.Get()->SetWithoutPathExpansion(path.AsUTF8Unsafe(),
std::make_unique<base::Value>(type));
web_contents_->CallClientFunction("DevToolsAPI.fileSystemAdded", nullptr,
file_system_value.get(), nullptr);
}
void CommonWebContentsDelegate::DevToolsRemoveFileSystem(
const base::FilePath& file_system_path) {
if (!web_contents_)
return;
std::string path = file_system_path.AsUTF8Unsafe();
storage::IsolatedContext::GetInstance()->RevokeFileSystemByPath(
file_system_path);
auto* pref_service = GetPrefService(GetDevToolsWebContents());
DictionaryPrefUpdate update(pref_service, prefs::kDevToolsFileSystemPaths);
update.Get()->RemoveWithoutPathExpansion(path, nullptr);
base::Value file_system_path_value(path);
web_contents_->CallClientFunction("DevToolsAPI.fileSystemRemoved",
&file_system_path_value, nullptr, nullptr);
}
void CommonWebContentsDelegate::DevToolsIndexPath(
int request_id,
const std::string& file_system_path,
const std::string& excluded_folders_message) {
if (!IsDevToolsFileSystemAdded(GetDevToolsWebContents(), file_system_path)) {
OnDevToolsIndexingDone(request_id, file_system_path);
return;
}
if (devtools_indexing_jobs_.count(request_id) != 0)
return;
std::vector<std::string> excluded_folders;
std::unique_ptr<base::Value> parsed_excluded_folders =
base::JSONReader::ReadDeprecated(excluded_folders_message);
if (parsed_excluded_folders && parsed_excluded_folders->is_list()) {
const std::vector<base::Value>& folder_paths =
parsed_excluded_folders->GetList();
for (const base::Value& folder_path : folder_paths) {
if (folder_path.is_string())
excluded_folders.push_back(folder_path.GetString());
}
}
devtools_indexing_jobs_[request_id] =
scoped_refptr<DevToolsFileSystemIndexer::FileSystemIndexingJob>(
devtools_file_system_indexer_->IndexPath(
file_system_path, excluded_folders,
base::Bind(
&CommonWebContentsDelegate::OnDevToolsIndexingWorkCalculated,
weak_factory_.GetWeakPtr(), request_id, file_system_path),
base::Bind(&CommonWebContentsDelegate::OnDevToolsIndexingWorked,
weak_factory_.GetWeakPtr(), request_id,
file_system_path),
base::Bind(&CommonWebContentsDelegate::OnDevToolsIndexingDone,
weak_factory_.GetWeakPtr(), request_id,
file_system_path)));
}
void CommonWebContentsDelegate::DevToolsStopIndexing(int request_id) {
auto it = devtools_indexing_jobs_.find(request_id);
if (it == devtools_indexing_jobs_.end())
return;
it->second->Stop();
devtools_indexing_jobs_.erase(it);
}
void CommonWebContentsDelegate::DevToolsSearchInPath(
int request_id,
const std::string& file_system_path,
const std::string& query) {
if (!IsDevToolsFileSystemAdded(GetDevToolsWebContents(), file_system_path)) {
OnDevToolsSearchCompleted(request_id, file_system_path,
std::vector<std::string>());
return;
}
devtools_file_system_indexer_->SearchInPath(
file_system_path, query,
base::Bind(&CommonWebContentsDelegate::OnDevToolsSearchCompleted,
weak_factory_.GetWeakPtr(), request_id, file_system_path));
}
void CommonWebContentsDelegate::OnDevToolsIndexingWorkCalculated(
int request_id,
const std::string& file_system_path,
int total_work) {
base::Value request_id_value(request_id);
base::Value file_system_path_value(file_system_path);
base::Value total_work_value(total_work);
web_contents_->CallClientFunction("DevToolsAPI.indexingTotalWorkCalculated",
&request_id_value, &file_system_path_value,
&total_work_value);
}
void CommonWebContentsDelegate::OnDevToolsIndexingWorked(
int request_id,
const std::string& file_system_path,
int worked) {
base::Value request_id_value(request_id);
base::Value file_system_path_value(file_system_path);
base::Value worked_value(worked);
web_contents_->CallClientFunction("DevToolsAPI.indexingWorked",
&request_id_value, &file_system_path_value,
&worked_value);
}
void CommonWebContentsDelegate::OnDevToolsIndexingDone(
int request_id,
const std::string& file_system_path) {
devtools_indexing_jobs_.erase(request_id);
base::Value request_id_value(request_id);
base::Value file_system_path_value(file_system_path);
web_contents_->CallClientFunction("DevToolsAPI.indexingDone",
&request_id_value, &file_system_path_value,
nullptr);
}
void CommonWebContentsDelegate::OnDevToolsSearchCompleted(
int request_id,
const std::string& file_system_path,
const std::vector<std::string>& file_paths) {
base::ListValue file_paths_value;
for (const auto& file_path : file_paths) {
file_paths_value.AppendString(file_path);
}
base::Value request_id_value(request_id);
base::Value file_system_path_value(file_system_path);
web_contents_->CallClientFunction("DevToolsAPI.searchCompleted",
&request_id_value, &file_system_path_value,
&file_paths_value);
}
void CommonWebContentsDelegate::SetHtmlApiFullscreen(bool enter_fullscreen) {
// Window is already in fullscreen mode, save the state.
if (enter_fullscreen && owner_window_->IsFullscreen()) {
native_fullscreen_ = true;
html_fullscreen_ = true;
return;
}
// Exit html fullscreen state but not window's fullscreen mode.
if (!enter_fullscreen && native_fullscreen_) {
html_fullscreen_ = false;
return;
}
// Set fullscreen on window if allowed.
auto* web_preferences = WebContentsPreferences::From(GetWebContents());
bool html_fullscreenable =
web_preferences ? !web_preferences->IsEnabled(
options::kDisableHtmlFullscreenWindowResize)
: true;
if (html_fullscreenable) {
owner_window_->SetFullScreen(enter_fullscreen);
}
html_fullscreen_ = enter_fullscreen;
native_fullscreen_ = false;
}
void CommonWebContentsDelegate::ShowAutofillPopup(
content::RenderFrameHost* frame_host,
content::RenderFrameHost* embedder_frame_host,
bool offscreen,
const gfx::RectF& bounds,
const std::vector<base::string16>& values,
const std::vector<base::string16>& labels) {
if (!owner_window())
return;
autofill_popup_->CreateView(frame_host, embedder_frame_host, offscreen,
owner_window()->content_view(), bounds);
autofill_popup_->SetItems(values, labels);
}
void CommonWebContentsDelegate::HideAutofillPopup() {
if (autofill_popup_)
autofill_popup_->Hide();
}
} // namespace atom