mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 08:48:11 +00:00
212e1ba0d4
Instead of parsing untrusted and potentially malicious image files in the ImageViewer GUI process, take advantage of the ImageDecoder service that we already have on the system to sandbox the decode. This prevents bugs in our image decoding libraries from being used as an exploitation vector when viewing files in ImageViewer.
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibCore/Timer.h>
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#include <LibGUI/Frame.h>
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#include <LibGfx/Point.h>
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#include <LibImageDecoderClient/Client.h>
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namespace ImageViewer {
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class ViewWidget final : public GUI::Frame {
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C_OBJECT(ViewWidget)
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public:
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enum Directions {
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First,
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Back,
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Forward,
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Last
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};
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virtual ~ViewWidget() override;
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const Gfx::Bitmap* bitmap() const { return m_bitmap.ptr(); }
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const String& path() const { return m_path; }
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void set_scale(int);
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int scale() { return m_scale; }
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void set_toolbar_height(int height) { m_toolbar_height = height; }
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int toolbar_height() { return m_toolbar_height; }
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void clear();
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void flip(Gfx::Orientation);
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void rotate(Gfx::RotationDirection);
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void navigate(Directions);
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void load_from_file(const String&);
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Function<void(int, Gfx::IntRect)> on_scale_change;
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Function<void()> on_doubleclick;
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Function<void(const GUI::DropEvent&)> on_drop;
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private:
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ViewWidget();
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virtual void doubleclick_event(GUI::MouseEvent&) override;
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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virtual void drop_event(GUI::DropEvent&) override;
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void set_bitmap(const Gfx::Bitmap* bitmap);
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void relayout();
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void resize_window();
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void reset_view();
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void animate();
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String m_path;
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RefPtr<Gfx::Bitmap> m_bitmap;
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Gfx::IntRect m_bitmap_rect;
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Optional<ImageDecoderClient::DecodedImage> m_decoded_image;
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size_t m_current_frame_index { 0 };
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size_t m_loops_completed { 0 };
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NonnullRefPtr<Core::Timer> m_timer;
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int m_scale { -1 };
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int m_toolbar_height { 28 };
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Gfx::FloatPoint m_pan_origin;
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Gfx::IntPoint m_click_position;
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Gfx::FloatPoint m_saved_pan_origin;
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Vector<String> m_files_in_same_dir;
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};
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}
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