mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-11 09:18:05 +03:00
c00760c5f9
To implement the HttpOnly attribute, the CookieJar needs to know where a request originated from. Namely, it needs to distinguish between HTTP / non-HTTP (i.e. JavaScript) requests. When the HttpOnly attribute is set, requests from JavaScript are to be blocked.
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 String& 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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