mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-21 18:37:58 +03:00
2381b19719
To protect the main Browser process against nefarious cookies, parse the cookies out-of-process and then send the parsed result over IPC to the main process. This way, if the cookie parser blows up, only that tab will be affected.
423 lines
15 KiB
C++
423 lines
15 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "OutOfProcessWebView.h"
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#include "WebContentClient.h"
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#include <AK/String.h>
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#include <AK/URLParser.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Desktop.h>
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#include <LibGUI/InputBox.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Scrollbar.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/SystemTheme.h>
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REGISTER_WIDGET(Web, OutOfProcessWebView)
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namespace Web {
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OutOfProcessWebView::OutOfProcessWebView()
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{
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set_should_hide_unnecessary_scrollbars(true);
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set_focus_policy(GUI::FocusPolicy::StrongFocus);
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create_client();
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}
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OutOfProcessWebView::~OutOfProcessWebView()
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{
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}
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void OutOfProcessWebView::handle_web_content_process_crash()
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{
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create_client();
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VERIFY(m_client_state.client);
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// Don't keep a stale backup bitmap around.
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m_backup_bitmap = nullptr;
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handle_resize();
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StringBuilder builder;
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builder.append("<html><head><title>Crashed: ");
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builder.append(escape_html_entities(m_url.to_string()));
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builder.append("</title></head><body>");
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builder.append("<h1>Web page crashed");
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if (!m_url.host().is_empty()) {
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builder.appendff(" on {}", escape_html_entities(m_url.host()));
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}
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builder.append("</h1>");
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builder.appendff("The web page <a href=\"{}\">{}</a> has crashed.<br><br>You can reload the page to try again.", escape_html_entities(m_url.to_string_encoded()), escape_html_entities(m_url.to_string()));
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builder.append("</body></html>");
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load_html(builder.to_string(), m_url);
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}
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void OutOfProcessWebView::create_client()
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{
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m_client_state = {};
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m_client_state.client = WebContentClient::construct(*this);
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m_client_state.client->on_web_content_process_crash = [this] {
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deferred_invoke([this] {
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handle_web_content_process_crash();
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});
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};
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client().post_message(Messages::WebContentServer::UpdateSystemTheme(Gfx::current_system_theme_buffer()));
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client().post_message(Messages::WebContentServer::UpdateScreenRect(GUI::Desktop::the().rect()));
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}
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void OutOfProcessWebView::load(const URL& url)
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{
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m_url = url;
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client().post_message(Messages::WebContentServer::LoadURL(url));
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}
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void OutOfProcessWebView::load_html(const StringView& html, const URL& url)
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{
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m_url = url;
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client().post_message(Messages::WebContentServer::LoadHTML(html, url));
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}
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void OutOfProcessWebView::load_empty_document()
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{
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m_url = {};
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client().post_message(Messages::WebContentServer::LoadHTML("", {}));
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}
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void OutOfProcessWebView::paint_event(GUI::PaintEvent& event)
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{
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GUI::ScrollableWidget::paint_event(event);
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// If the available size is empty, we don't have a front or back bitmap to draw.
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if (available_size().is_empty())
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return;
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.ptr() : m_backup_bitmap.ptr()) {
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painter.add_clip_rect(frame_inner_rect());
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painter.translate(frame_thickness(), frame_thickness());
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painter.blit({ 0, 0 }, *bitmap, bitmap->rect());
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return;
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}
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painter.fill_rect(frame_inner_rect(), palette().base());
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}
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void OutOfProcessWebView::resize_event(GUI::ResizeEvent& event)
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{
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GUI::ScrollableWidget::resize_event(event);
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handle_resize();
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}
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void OutOfProcessWebView::handle_resize()
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{
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client().post_message(Messages::WebContentServer::SetViewportRect(Gfx::IntRect({ horizontal_scrollbar().value(), vertical_scrollbar().value() }, available_size())));
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if (m_client_state.has_usable_bitmap) {
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// NOTE: We keep the outgoing front bitmap as a backup so we have something to paint until we get a new one.
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m_backup_bitmap = m_client_state.front_bitmap;
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}
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if (m_client_state.front_bitmap) {
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m_client_state.front_bitmap = nullptr;
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client().post_message(Messages::WebContentServer::RemoveBackingStore(m_client_state.front_bitmap_id));
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}
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if (m_client_state.back_bitmap) {
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m_client_state.back_bitmap = nullptr;
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client().post_message(Messages::WebContentServer::RemoveBackingStore(m_client_state.back_bitmap_id));
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}
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m_client_state.front_bitmap_id = -1;
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m_client_state.back_bitmap_id = -1;
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m_client_state.has_usable_bitmap = false;
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if (available_size().is_empty())
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return;
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if (auto new_bitmap = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRx8888, available_size())) {
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m_client_state.front_bitmap = move(new_bitmap);
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m_client_state.front_bitmap_id = m_client_state.next_bitmap_id++;
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client().post_message(Messages::WebContentServer::AddBackingStore(m_client_state.front_bitmap_id, m_client_state.front_bitmap->to_shareable_bitmap()));
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}
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if (auto new_bitmap = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRx8888, available_size())) {
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m_client_state.back_bitmap = move(new_bitmap);
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m_client_state.back_bitmap_id = m_client_state.next_bitmap_id++;
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client().post_message(Messages::WebContentServer::AddBackingStore(m_client_state.back_bitmap_id, m_client_state.back_bitmap->to_shareable_bitmap()));
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}
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request_repaint();
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}
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void OutOfProcessWebView::keydown_event(GUI::KeyEvent& event)
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{
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client().post_message(Messages::WebContentServer::KeyDown(event.key(), event.modifiers(), event.code_point()));
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}
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void OutOfProcessWebView::mousedown_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseDown(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void OutOfProcessWebView::mouseup_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseUp(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void OutOfProcessWebView::mousemove_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseMove(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers()));
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}
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void OutOfProcessWebView::mousewheel_event(GUI::MouseEvent& event)
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{
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client().post_message(Messages::WebContentServer::MouseWheel(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers(), event.wheel_delta()));
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}
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void OutOfProcessWebView::theme_change_event(GUI::ThemeChangeEvent& event)
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{
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GUI::ScrollableWidget::theme_change_event(event);
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client().post_message(Messages::WebContentServer::UpdateSystemTheme(Gfx::current_system_theme_buffer()));
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request_repaint();
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}
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void OutOfProcessWebView::screen_rect_change_event(GUI::ScreenRectChangeEvent& event)
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{
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client().post_message(Messages::WebContentServer::UpdateScreenRect(event.rect()));
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}
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void OutOfProcessWebView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id)
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{
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if (m_client_state.back_bitmap_id == bitmap_id) {
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m_client_state.has_usable_bitmap = true;
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swap(m_client_state.back_bitmap, m_client_state.front_bitmap);
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swap(m_client_state.back_bitmap_id, m_client_state.front_bitmap_id);
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// We don't need the backup bitmap anymore, so drop it.
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m_backup_bitmap = nullptr;
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update();
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}
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}
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void OutOfProcessWebView::notify_server_did_invalidate_content_rect(Badge<WebContentClient>, [[maybe_unused]] const Gfx::IntRect& content_rect)
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{
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request_repaint();
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}
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void OutOfProcessWebView::notify_server_did_change_selection(Badge<WebContentClient>)
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{
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request_repaint();
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}
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void OutOfProcessWebView::notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor)
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{
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set_override_cursor(cursor);
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}
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void OutOfProcessWebView::notify_server_did_layout(Badge<WebContentClient>, const Gfx::IntSize& content_size)
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{
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set_content_size(content_size);
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}
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void OutOfProcessWebView::notify_server_did_change_title(Badge<WebContentClient>, const String& title)
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{
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if (on_title_change)
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on_title_change(title);
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}
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void OutOfProcessWebView::notify_server_did_request_scroll(Badge<WebContentClient>, int wheel_delta)
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{
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vertical_scrollbar().set_value(vertical_scrollbar().value() + wheel_delta * 20);
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}
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void OutOfProcessWebView::notify_server_did_request_scroll_into_view(Badge<WebContentClient>, const Gfx::IntRect& rect)
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{
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scroll_into_view(rect, true, true);
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}
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void OutOfProcessWebView::notify_server_did_enter_tooltip_area(Badge<WebContentClient>, const Gfx::IntPoint&, const String& title)
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{
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GUI::Application::the()->show_tooltip(title, nullptr);
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}
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void OutOfProcessWebView::notify_server_did_leave_tooltip_area(Badge<WebContentClient>)
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{
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GUI::Application::the()->hide_tooltip();
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}
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void OutOfProcessWebView::notify_server_did_hover_link(Badge<WebContentClient>, const URL& url)
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{
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if (on_link_hover)
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on_link_hover(url);
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}
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void OutOfProcessWebView::notify_server_did_unhover_link(Badge<WebContentClient>)
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{
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set_override_cursor(Gfx::StandardCursor::None);
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if (on_link_hover)
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on_link_hover({});
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}
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void OutOfProcessWebView::notify_server_did_click_link(Badge<WebContentClient>, const URL& url, const String& target, unsigned int modifiers)
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{
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if (on_link_click)
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on_link_click(url, target, modifiers);
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}
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void OutOfProcessWebView::notify_server_did_middle_click_link(Badge<WebContentClient>, const URL& url, const String& target, unsigned int modifiers)
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{
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if (on_link_middle_click)
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on_link_middle_click(url, target, modifiers);
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}
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void OutOfProcessWebView::notify_server_did_start_loading(Badge<WebContentClient>, const URL& url)
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{
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if (on_load_start)
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on_load_start(url);
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}
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void OutOfProcessWebView::notify_server_did_finish_loading(Badge<WebContentClient>, const URL& url)
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{
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if (on_load_finish)
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on_load_finish(url);
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}
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void OutOfProcessWebView::notify_server_did_request_context_menu(Badge<WebContentClient>, const Gfx::IntPoint& content_position)
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{
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if (on_context_menu_request)
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on_context_menu_request(screen_relative_rect().location().translated(to_widget_position(content_position)));
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}
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void OutOfProcessWebView::notify_server_did_request_link_context_menu(Badge<WebContentClient>, const Gfx::IntPoint& content_position, const URL& url, const String&, unsigned)
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{
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if (on_link_context_menu_request)
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on_link_context_menu_request(url, screen_relative_rect().location().translated(to_widget_position(content_position)));
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}
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void OutOfProcessWebView::notify_server_did_request_image_context_menu(Badge<WebContentClient>, const Gfx::IntPoint& content_position, const URL& url, const String&, unsigned, const Gfx::ShareableBitmap& bitmap)
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{
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if (on_image_context_menu_request)
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on_image_context_menu_request(url, screen_relative_rect().location().translated(to_widget_position(content_position)), bitmap);
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}
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void OutOfProcessWebView::notify_server_did_request_alert(Badge<WebContentClient>, const String& message)
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{
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GUI::MessageBox::show(window(), message, "Alert", GUI::MessageBox::Type::Information);
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}
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bool OutOfProcessWebView::notify_server_did_request_confirm(Badge<WebContentClient>, const String& message)
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{
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auto confirm_result = GUI::MessageBox::show(window(), message, "Confirm", GUI::MessageBox::Type::Warning, GUI::MessageBox::InputType::OKCancel);
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return confirm_result == GUI::Dialog::ExecResult::ExecOK;
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}
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String OutOfProcessWebView::notify_server_did_request_prompt(Badge<WebContentClient>, const String& message, const String& default_)
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{
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String response { default_ };
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if (GUI::InputBox::show(window(), response, message, "Prompt") == GUI::InputBox::ExecOK)
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return response;
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return {};
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}
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void OutOfProcessWebView::notify_server_did_get_source(const URL& url, const String& source)
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{
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if (on_get_source)
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on_get_source(url, source);
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}
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void OutOfProcessWebView::notify_server_did_js_console_output(const String& method, const String& line)
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{
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if (on_js_console_output)
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on_js_console_output(method, line);
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}
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void OutOfProcessWebView::notify_server_did_change_favicon(const Gfx::Bitmap& favicon)
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{
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if (on_favicon_change)
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on_favicon_change(favicon);
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}
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String OutOfProcessWebView::notify_server_did_request_cookie(Badge<WebContentClient>, const URL& url, Cookie::Source source)
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{
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if (on_get_cookie)
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return on_get_cookie(url, source);
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return {};
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}
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void OutOfProcessWebView::notify_server_did_set_cookie(Badge<WebContentClient>, const URL& url, const Cookie::ParsedCookie& cookie, Cookie::Source source)
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{
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if (on_set_cookie)
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on_set_cookie(url, cookie, source);
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}
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void OutOfProcessWebView::did_scroll()
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{
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client().post_message(Messages::WebContentServer::SetViewportRect(visible_content_rect()));
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request_repaint();
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}
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void OutOfProcessWebView::request_repaint()
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{
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// If this widget was instantiated but not yet added to a window,
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// it won't have a back bitmap yet, so we can just skip repaint requests.
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if (!m_client_state.back_bitmap)
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return;
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client().post_message(Messages::WebContentServer::Paint(m_client_state.back_bitmap->rect().translated(horizontal_scrollbar().value(), vertical_scrollbar().value()), m_client_state.back_bitmap_id));
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}
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WebContentClient& OutOfProcessWebView::client()
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{
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VERIFY(m_client_state.client);
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return *m_client_state.client;
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}
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void OutOfProcessWebView::debug_request(const String& request, const String& argument)
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{
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client().post_message(Messages::WebContentServer::DebugRequest(request, argument));
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}
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void OutOfProcessWebView::get_source()
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{
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client().post_message(Messages::WebContentServer::GetSource());
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}
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void OutOfProcessWebView::js_console_initialize()
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{
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client().post_message(Messages::WebContentServer::JSConsoleInitialize());
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}
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void OutOfProcessWebView::js_console_input(const String& js_source)
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{
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client().post_message(Messages::WebContentServer::JSConsoleInput(js_source));
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}
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}
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