140 lines
5.9 KiB
C++
140 lines
5.9 KiB
C++
#include <hex/helpers/fs.hpp>
|
|
#include <hex/api/localization_manager.hpp>
|
|
|
|
#include <algorithm>
|
|
#include <random>
|
|
|
|
#include <imgui.h>
|
|
|
|
#include <hex/ui/imgui_imhex_extensions.h>
|
|
#include <content/popups/popup_notification.hpp>
|
|
|
|
#include <wolv/io/file.hpp>
|
|
#include <wolv/utils/guards.hpp>
|
|
|
|
namespace hex::plugin::builtin {
|
|
|
|
void drawFileToolShredder() {
|
|
static std::u8string selectedFile;
|
|
static bool fastMode = false;
|
|
static TaskHolder shredderTask;
|
|
|
|
ImGui::TextUnformatted("hex.builtin.tools.file_tools.shredder.warning"_lang);
|
|
ImGui::NewLine();
|
|
|
|
if (ImGui::BeginChild("settings", { 0, ImGui::GetTextLineHeightWithSpacing() * 4 }, true, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse)) {
|
|
ImGui::BeginDisabled(shredderTask.isRunning());
|
|
{
|
|
ImGui::TextUnformatted("hex.builtin.tools.file_tools.shredder.input"_lang);
|
|
ImGui::SameLine();
|
|
ImGui::InputText("##path", selectedFile);
|
|
ImGui::SameLine();
|
|
if (ImGui::Button("...")) {
|
|
fs::openFileBrowser(fs::DialogMode::Open, {}, [](const auto &path) {
|
|
selectedFile = path.u8string();
|
|
});
|
|
}
|
|
|
|
ImGui::Checkbox("hex.builtin.tools.file_tools.shredder.fast"_lang, &fastMode);
|
|
}
|
|
ImGui::EndDisabled();
|
|
}
|
|
ImGui::EndChild();
|
|
|
|
if (shredderTask.isRunning())
|
|
ImGuiExt::TextSpinner("hex.builtin.tools.file_tools.shredder.shredding"_lang);
|
|
else {
|
|
ImGui::BeginDisabled(selectedFile.empty());
|
|
{
|
|
if (ImGui::Button("hex.builtin.tools.file_tools.shredder.shred"_lang)) {
|
|
shredderTask = TaskManager::createTask("hex.builtin.tools.file_tools.shredder.shredding", 0, [](auto &task) {
|
|
ON_SCOPE_EXIT {
|
|
selectedFile.clear();
|
|
};
|
|
wolv::io::File file(selectedFile, wolv::io::File::Mode::Write);
|
|
|
|
if (!file.isValid()) {
|
|
PopupError::open("hex.builtin.tools.file_tools.shredder.error.open"_lang);
|
|
return;
|
|
}
|
|
|
|
task.setMaxValue(file.getSize());
|
|
|
|
std::vector<std::array<u8, 3>> overwritePattern;
|
|
if (fastMode) {
|
|
/* Should be sufficient for modern disks */
|
|
overwritePattern.push_back({ 0x00, 0x00, 0x00 });
|
|
overwritePattern.push_back({ 0xFF, 0xFF, 0xFF });
|
|
} else {
|
|
/* Gutmann's method. Secure for magnetic storage */
|
|
std::random_device rd;
|
|
std::uniform_int_distribution<u8> dist(0x00, 0xFF);
|
|
|
|
/* Fill fixed patterns */
|
|
overwritePattern = {
|
|
{ },
|
|
{ },
|
|
{},
|
|
{},
|
|
{ 0x55, 0x55, 0x55 },
|
|
{ 0xAA, 0xAA, 0xAA },
|
|
{ 0x92, 0x49, 0x24 },
|
|
{ 0x49, 0x24, 0x92 },
|
|
{ 0x24, 0x92, 0x49 },
|
|
{ 0x00, 0x00, 0x00 },
|
|
{ 0x11, 0x11, 0x11 },
|
|
{ 0x22, 0x22, 0x22 },
|
|
{ 0x33, 0x33, 0x44 },
|
|
{ 0x55, 0x55, 0x55 },
|
|
{ 0x66, 0x66, 0x66 },
|
|
{ 0x77, 0x77, 0x77 },
|
|
{ 0x88, 0x88, 0x88 },
|
|
{ 0x99, 0x99, 0x99 },
|
|
{ 0xAA, 0xAA, 0xAA },
|
|
{ 0xBB, 0xBB, 0xBB },
|
|
{ 0xCC, 0xCC, 0xCC },
|
|
{ 0xDD, 0xDD, 0xDD },
|
|
{ 0xEE, 0xEE, 0xEE },
|
|
{ 0xFF, 0xFF, 0xFF },
|
|
{ 0x92, 0x49, 0x24 },
|
|
{ 0x49, 0x24, 0x92 },
|
|
{ 0x24, 0x92, 0x49 },
|
|
{ 0x6D, 0xB6, 0xDB },
|
|
{ 0xB6, 0xDB, 0x6D },
|
|
{ 0xBD, 0x6D, 0xB6 },
|
|
{},
|
|
{},
|
|
{},
|
|
{}
|
|
};
|
|
|
|
/* Fill random patterns */
|
|
for (u8 i = 0; i < 4; i++)
|
|
overwritePattern[i] = { dist(rd), dist(rd), dist(rd) };
|
|
for (u8 i = 0; i < 4; i++)
|
|
overwritePattern[overwritePattern.size() - 1 - i] = { dist(rd), dist(rd), dist(rd) };
|
|
}
|
|
|
|
size_t fileSize = file.getSize();
|
|
|
|
for (const auto &pattern : overwritePattern) {
|
|
for (u64 offset = 0; offset < fileSize; offset += 3) {
|
|
file.writeBuffer(pattern.data(), std::min<u64>(pattern.size(), fileSize - offset));
|
|
task.update(offset);
|
|
}
|
|
|
|
file.flush();
|
|
}
|
|
|
|
file.remove();
|
|
|
|
PopupInfo::open("hex.builtin.tools.file_tools.shredder.success"_lang);
|
|
});
|
|
}
|
|
}
|
|
ImGui::EndDisabled();
|
|
}
|
|
}
|
|
|
|
}
|