273 lines
12 KiB
C++
273 lines
12 KiB
C++
#include "content/views/view_store.hpp"
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#include <hex/api/content_registry.hpp>
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#include <imgui.h>
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#define IMGUI_DEFINE_MATH_OPERATORS
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#include <imgui_internal.h>
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#include <hex/helpers/utils.hpp>
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#include <hex/helpers/crypto.hpp>
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#include <hex/helpers/logger.hpp>
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#include <hex/helpers/magic.hpp>
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#include <hex/helpers/file.hpp>
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#include <hex/helpers/fs.hpp>
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#include <fstream>
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#include <filesystem>
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#include <functional>
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#include <nlohmann/json.hpp>
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#include <microtar.h>
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namespace hex::plugin::builtin {
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using namespace std::literals::string_literals;
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using namespace std::literals::chrono_literals;
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ViewStore::ViewStore() : View("hex.builtin.view.store.name") {
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this->refresh();
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ContentRegistry::Interface::addMenuItem("hex.builtin.menu.help", 3000, [&, this] {
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if (ImGui::MenuItem("hex.builtin.view.store.name"_lang)) {
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ImHexApi::Tasks::doLater([] { ImGui::OpenPopup(View::toWindowName("hex.builtin.view.store.name").c_str()); });
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this->getWindowOpenState() = true;
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}
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});
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}
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ViewStore::~ViewStore() { }
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void ViewStore::drawStore() {
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ImGui::Header("hex.builtin.view.store.desc"_lang, true);
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if (ImGui::Button("hex.builtin.view.store.reload"_lang)) {
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this->refresh();
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}
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auto drawTab = [this](auto title, fs::ImHexPath pathType, auto &content, const std::function<void(const StoreEntry &)> &downloadDoneCallback) {
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if (ImGui::BeginTabItem(title)) {
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if (ImGui::BeginTable("##pattern_language", 3, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_RowBg)) {
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ImGui::TableSetupScrollFreeze(0, 1);
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ImGui::TableSetupColumn("hex.builtin.view.store.row.name"_lang, ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableSetupColumn("hex.builtin.view.store.row.description"_lang, ImGuiTableColumnFlags_None);
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ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
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ImGui::TableHeadersRow();
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u32 id = 1;
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for (auto &entry : content) {
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ImGui::TableNextRow(ImGuiTableRowFlags_None, ImGui::GetTextLineHeight() + 4.0F * ImGui::GetStyle().FramePadding.y);
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ImGui::TableNextColumn();
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ImGui::TextUnformatted(entry.name.c_str());
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ImGui::TableNextColumn();
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ImGui::TextUnformatted(entry.description.c_str());
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ImGui::TableNextColumn();
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ImGui::PushID(id);
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ImGui::BeginDisabled(this->m_download.valid() && this->m_download.wait_for(0s) != std::future_status::ready);
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{
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if (entry.downloading) {
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ImGui::TextSpinner("");
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if (this->m_download.valid() && this->m_download.wait_for(0s) == std::future_status::ready) {
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entry.downloading = false;
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auto response = this->m_download.get();
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if (response.code == 200) {
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entry.installed = true;
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entry.hasUpdate = false;
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if (entry.isFolder) {
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mtar_t ctx;
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mtar_open(&ctx, this->m_downloadPath.string().c_str(), "r");
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mtar_header_t header;
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auto extractBasePath = this->m_downloadPath.parent_path() / this->m_downloadPath.stem();
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while (mtar_read_header(&ctx, &header) != MTAR_ENULLRECORD) {
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auto filePath = extractBasePath / std::fs::path(header.name);
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if (filePath.filename() == "@PaxHeader") {
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mtar_next(&ctx);
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continue;
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}
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fs::createDirectories(filePath.parent_path());
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fs::File outputFile(filePath.string(), fs::File::Mode::Create);
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std::vector<u8> buffer(0x10000);
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for (u64 offset = 0; offset < header.size; offset += buffer.size()) {
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auto readSize = std::min<u64>(buffer.size(), header.size - offset);
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mtar_read_data(&ctx, buffer.data(), readSize);
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buffer.resize(readSize);
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outputFile.write(buffer);
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}
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mtar_next(&ctx);
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}
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mtar_finalize(&ctx);
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mtar_close(&ctx);
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}
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downloadDoneCallback(entry);
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} else
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log::error("Download failed! HTTP Code {}", response.code);
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this->m_download = {};
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}
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} else if (entry.hasUpdate) {
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if (ImGui::Button("hex.builtin.view.store.update"_lang)) {
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entry.downloading = this->download(pathType, entry.fileName, entry.link, true);
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}
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} else if (!entry.installed) {
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if (ImGui::Button("hex.builtin.view.store.download"_lang)) {
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entry.downloading = this->download(pathType, entry.fileName, entry.link, false);
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}
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} else {
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if (ImGui::Button("hex.builtin.view.store.remove"_lang)) {
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entry.installed = !this->remove(pathType, entry.fileName);
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}
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}
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}
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ImGui::EndDisabled();
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ImGui::PopID();
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id++;
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}
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ImGui::EndTable();
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}
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ImGui::EndTabItem();
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}
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};
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if (ImGui::BeginTabBar("storeTabs")) {
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drawTab("hex.builtin.view.store.tab.patterns"_lang, fs::ImHexPath::Patterns, this->m_patterns, [](auto) {});
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drawTab("hex.builtin.view.store.tab.libraries"_lang, fs::ImHexPath::PatternsInclude, this->m_includes, [](auto) {});
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drawTab("hex.builtin.view.store.tab.magics"_lang, fs::ImHexPath::Magic, this->m_magics, [](auto) { magic::compile(); });
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drawTab("hex.builtin.view.store.tab.constants"_lang, fs::ImHexPath::Constants, this->m_constants, [](auto) {});
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drawTab("hex.builtin.view.store.tab.encodings"_lang, fs::ImHexPath::Encodings, this->m_encodings, [](auto) {});
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drawTab("hex.builtin.view.store.tab.yara"_lang, fs::ImHexPath::Yara, this->m_yara, [](auto) {});
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ImGui::EndTabBar();
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}
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}
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void ViewStore::refresh() {
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this->m_patterns.clear();
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this->m_includes.clear();
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this->m_magics.clear();
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this->m_constants.clear();
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this->m_yara.clear();
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this->m_encodings.clear();
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this->m_apiRequest = this->m_net.getString(ImHexApiURL + "/store"s, 30'0000);
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}
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void ViewStore::parseResponse() {
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auto response = this->m_apiRequest.get();
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if (response.code == 200) {
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auto json = nlohmann::json::parse(response.body);
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auto parseStoreEntries = [](auto storeJson, const std::string &name, fs::ImHexPath pathType, std::vector<StoreEntry> &results) {
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// Check if the response handles the type of files
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if (storeJson.contains(name)) {
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for (auto &entry : storeJson[name]) {
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// Check if entry is valid
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if (entry.contains("name") && entry.contains("desc") && entry.contains("file") && entry.contains("url") && entry.contains("hash") && entry.contains("folder")) {
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// Parse entry
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StoreEntry storeEntry = { entry["name"], entry["desc"], entry["file"], entry["url"], entry["hash"], entry["folder"], false, false, false };
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// Check if file is installed already or has an update available
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for (const auto &folder : fs::getDefaultPaths(pathType)) {
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auto path = folder / std::fs::path(storeEntry.fileName);
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if (fs::exists(path) && fs::isPathWritable(folder)) {
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storeEntry.installed = true;
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std::ifstream file(path, std::ios::in | std::ios::binary);
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std::vector<u8> data(fs::getFileSize(path), 0x00);
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file.read(reinterpret_cast<char *>(data.data()), data.size());
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auto fileHash = crypt::sha256(data);
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// Compare installed file hash with hash of repo file
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if (std::vector(fileHash.begin(), fileHash.end()) != crypt::decode16(storeEntry.hash))
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storeEntry.hasUpdate = true;
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}
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}
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results.push_back(storeEntry);
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}
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}
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}
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};
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parseStoreEntries(json, "patterns", fs::ImHexPath::Patterns, this->m_patterns);
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parseStoreEntries(json, "includes", fs::ImHexPath::PatternsInclude, this->m_includes);
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parseStoreEntries(json, "magic", fs::ImHexPath::Magic, this->m_magics);
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parseStoreEntries(json, "constants", fs::ImHexPath::Constants, this->m_constants);
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parseStoreEntries(json, "yara", fs::ImHexPath::Yara, this->m_yara);
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parseStoreEntries(json, "encodings", fs::ImHexPath::Encodings, this->m_encodings);
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}
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this->m_apiRequest = {};
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}
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void ViewStore::drawContent() {
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if (ImGui::BeginPopupModal(View::toWindowName("hex.builtin.view.store.name").c_str(), &this->getWindowOpenState())) {
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if (this->m_apiRequest.valid()) {
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if (this->m_apiRequest.wait_for(0s) != std::future_status::ready)
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ImGui::TextSpinner("hex.builtin.view.store.loading"_lang);
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else
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this->parseResponse();
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}
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this->drawStore();
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ImGui::EndPopup();
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} else {
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this->getWindowOpenState() = false;
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}
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}
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bool ViewStore::download(fs::ImHexPath pathType, const std::string &fileName, const std::string &url, bool update) {
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bool downloading = false;
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for (const auto &path : fs::getDefaultPaths(pathType)) {
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if (!fs::isPathWritable(path))
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continue;
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auto fullPath = path / std::fs::path(fileName);
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if (!update || fs::exists(fullPath)) {
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downloading = true;
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this->m_downloadPath = fullPath;
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this->m_download = this->m_net.downloadFile(url, fullPath, 30'0000);
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break;
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}
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}
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if (!downloading) {
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View::showErrorPopup("hex.builtin.view.store.download_error"_lang);
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return false;
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}
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return true;
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}
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bool ViewStore::remove(fs::ImHexPath pathType, const std::string &fileName) {
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bool removed = false;
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for (const auto &path : fs::getDefaultPaths(pathType)) {
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bool removedFile = fs::remove(path / std::fs::path(fileName));
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bool removedFolder = fs::remove(path / std::fs::path(fileName).stem());
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removed = removed || removedFile || removedFolder;
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}
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return removed;
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}
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} |