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mirror of synced 2024-11-26 00:20:50 +01:00
ImHex/plugins/builtin/source/content/views/view_store.cpp
iTrooz_ 32ab1c1a06
sys: Load content store content when it's first opened (#795)
* refresh store on open

* show the user if the request failed

* do not refresh if a refresh is in progress

This makes ImHex crash

* InProgress

* fix formatting

* use a localized message

* set localized message in other langs
2022-10-27 13:12:24 +02:00

257 lines
11 KiB
C++

#include "content/views/view_store.hpp"
#include <hex/api/content_registry.hpp>
#include <imgui.h>
#define IMGUI_DEFINE_MATH_OPERATORS
#include <imgui_internal.h>
#include <hex/helpers/utils.hpp>
#include <hex/helpers/crypto.hpp>
#include <hex/helpers/logger.hpp>
#include <hex/helpers/magic.hpp>
#include <hex/helpers/file.hpp>
#include <hex/helpers/fs.hpp>
#include <hex/helpers/tar.hpp>
#include <fstream>
#include <filesystem>
#include <functional>
#include <nlohmann/json.hpp>
namespace hex::plugin::builtin {
using namespace std::literals::string_literals;
using namespace std::literals::chrono_literals;
ViewStore::ViewStore() : View("hex.builtin.view.store.name") {
ContentRegistry::Interface::addMenuItem("hex.builtin.menu.help", 3000, [&, this] {
if (ImGui::MenuItem("hex.builtin.view.store.name"_lang)) {
if (this->m_requestStatus == RequestStatus::NotAttempted)
this->refresh();
TaskManager::doLater([] { ImGui::OpenPopup(View::toWindowName("hex.builtin.view.store.name").c_str()); });
this->getWindowOpenState() = true;
}
});
}
void ViewStore::drawStore() {
ImGui::Header("hex.builtin.view.store.desc"_lang, true);
if (ImGui::Button("hex.builtin.view.store.reload"_lang)) {
this->refresh();
}
auto drawTab = [this](auto title, fs::ImHexPath pathType, auto &content, const std::function<void(const StoreEntry &)> &downloadDoneCallback) {
if (ImGui::BeginTabItem(title)) {
if (ImGui::BeginTable("##pattern_language", 3, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_RowBg)) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("hex.builtin.view.store.row.name"_lang, ImGuiTableColumnFlags_WidthFixed);
ImGui::TableSetupColumn("hex.builtin.view.store.row.description"_lang, ImGuiTableColumnFlags_None);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
ImGui::TableHeadersRow();
u32 id = 1;
for (auto &entry : content) {
ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetTextLineHeight() + 4.0F * ImGui::GetStyle().FramePadding.y);
ImGui::TableNextColumn();
ImGui::TextUnformatted(entry.name.c_str());
ImGui::TableNextColumn();
ImGui::TextUnformatted(entry.description.c_str());
ImGui::TableNextColumn();
ImGui::PushID(id);
ImGui::BeginDisabled(this->m_download.valid() && this->m_download.wait_for(0s) != std::future_status::ready);
{
if (entry.downloading) {
ImGui::TextSpinner("");
if (this->m_download.valid() && this->m_download.wait_for(0s) == std::future_status::ready) {
entry.downloading = false;
auto response = this->m_download.get();
if (response.code == 200) {
entry.installed = true;
entry.hasUpdate = false;
if (entry.isFolder) {
Tar tar(this->m_downloadPath, Tar::Mode::Read);
tar.extractAll(this->m_downloadPath.parent_path() / this->m_downloadPath.stem());
}
downloadDoneCallback(entry);
} else
log::error("Download failed! HTTP Code {}", response.code);
this->m_download = {};
}
} else if (entry.hasUpdate) {
if (ImGui::Button("hex.builtin.view.store.update"_lang)) {
entry.downloading = this->download(pathType, entry.fileName, entry.link, true);
}
} else if (!entry.installed) {
if (ImGui::Button("hex.builtin.view.store.download"_lang)) {
entry.downloading = this->download(pathType, entry.fileName, entry.link, false);
}
} else {
if (ImGui::Button("hex.builtin.view.store.remove"_lang)) {
entry.installed = !this->remove(pathType, entry.fileName);
}
}
}
ImGui::EndDisabled();
ImGui::PopID();
id++;
}
ImGui::EndTable();
}
ImGui::EndTabItem();
}
};
if (ImGui::BeginTabBar("storeTabs")) {
drawTab("hex.builtin.view.store.tab.patterns"_lang, fs::ImHexPath::Patterns, this->m_patterns, [](auto) {});
drawTab("hex.builtin.view.store.tab.libraries"_lang, fs::ImHexPath::PatternsInclude, this->m_includes, [](auto) {});
drawTab("hex.builtin.view.store.tab.magics"_lang, fs::ImHexPath::Magic, this->m_magics, [](auto) { magic::compile(); });
drawTab("hex.builtin.view.store.tab.constants"_lang, fs::ImHexPath::Constants, this->m_constants, [](auto) {});
drawTab("hex.builtin.view.store.tab.encodings"_lang, fs::ImHexPath::Encodings, this->m_encodings, [](auto) {});
drawTab("hex.builtin.view.store.tab.yara"_lang, fs::ImHexPath::Yara, this->m_yara, [](auto) {});
ImGui::EndTabBar();
}
}
void ViewStore::refresh() {
// do not refresh if a refresh is already in progress
if (this->m_requestStatus == RequestStatus::InProgress)
return;
this->m_requestStatus = RequestStatus::InProgress;
this->m_patterns.clear();
this->m_includes.clear();
this->m_magics.clear();
this->m_constants.clear();
this->m_yara.clear();
this->m_encodings.clear();
this->m_apiRequest = this->m_net.getString(ImHexApiURL + "/store"s, 30'0000);
}
void ViewStore::parseResponse() {
auto response = this->m_apiRequest.get();
this->m_requestStatus = response.code == 200 ? RequestStatus::Succeded : RequestStatus::Failed;
if (this->m_requestStatus == RequestStatus::Succeded) {
auto json = nlohmann::json::parse(response.body);
auto parseStoreEntries = [](auto storeJson, const std::string &name, fs::ImHexPath pathType, std::vector<StoreEntry> &results) {
// Check if the response handles the type of files
if (storeJson.contains(name)) {
for (auto &entry : storeJson[name]) {
// Check if entry is valid
if (entry.contains("name") && entry.contains("desc") && entry.contains("file") && entry.contains("url") && entry.contains("hash") && entry.contains("folder")) {
// Parse entry
StoreEntry storeEntry = { entry["name"], entry["desc"], entry["file"], entry["url"], entry["hash"], entry["folder"], false, false, false };
// Check if file is installed already or has an update available
for (const auto &folder : fs::getDefaultPaths(pathType)) {
auto path = folder / std::fs::path(storeEntry.fileName);
if (fs::exists(path) && fs::isPathWritable(folder)) {
storeEntry.installed = true;
std::ifstream file(path, std::ios::in | std::ios::binary);
std::vector<u8> data(fs::getFileSize(path), 0x00);
file.read(reinterpret_cast<char *>(data.data()), data.size());
auto fileHash = crypt::sha256(data);
// Compare installed file hash with hash of repo file
if (std::vector(fileHash.begin(), fileHash.end()) != crypt::decode16(storeEntry.hash))
storeEntry.hasUpdate = true;
}
}
results.push_back(storeEntry);
}
}
}
};
parseStoreEntries(json, "patterns", fs::ImHexPath::Patterns, this->m_patterns);
parseStoreEntries(json, "includes", fs::ImHexPath::PatternsInclude, this->m_includes);
parseStoreEntries(json, "magic", fs::ImHexPath::Magic, this->m_magics);
parseStoreEntries(json, "constants", fs::ImHexPath::Constants, this->m_constants);
parseStoreEntries(json, "yara", fs::ImHexPath::Yara, this->m_yara);
parseStoreEntries(json, "encodings", fs::ImHexPath::Encodings, this->m_encodings);
}
this->m_apiRequest = {};
}
void ViewStore::drawContent() {
if (ImGui::BeginPopupModal(View::toWindowName("hex.builtin.view.store.name").c_str(), &this->getWindowOpenState())) {
if (this->m_apiRequest.valid()) {
if (this->m_apiRequest.wait_for(0s) != std::future_status::ready)
ImGui::TextSpinner("hex.builtin.view.store.loading"_lang);
else
this->parseResponse();
}
if (this->m_requestStatus == RequestStatus::Failed)
ImGui::TextFormattedColored(ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarRed), "hex.builtin.view.store.netfailed"_lang);
this->drawStore();
ImGui::EndPopup();
} else {
this->getWindowOpenState() = false;
}
}
bool ViewStore::download(fs::ImHexPath pathType, const std::string &fileName, const std::string &url, bool update) {
bool downloading = false;
for (const auto &path : fs::getDefaultPaths(pathType)) {
if (!fs::isPathWritable(path))
continue;
auto fullPath = path / std::fs::path(fileName);
if (!update || fs::exists(fullPath)) {
downloading = true;
this->m_downloadPath = fullPath;
this->m_download = this->m_net.downloadFile(url, fullPath, 30'0000);
break;
}
}
if (!downloading) {
View::showErrorPopup("hex.builtin.view.store.download_error"_lang);
return false;
}
return true;
}
bool ViewStore::remove(fs::ImHexPath pathType, const std::string &fileName) {
bool removed = true;
for (const auto &path : fs::getDefaultPaths(pathType)) {
const auto filePath = path / fileName;
const auto folderPath = (path / std::fs::path(fileName).stem());
fs::remove(filePath);
fs::removeAll(folderPath);
removed = removed && !fs::exists(filePath) && !fs::exists(folderPath);
}
return removed;
}
}