add hacky way to load encrypted tox saves

external/toxcore/CMakeLists.txt

@@ -134,6 +134,10 @@ add_library(toxcore STATIC
 	${TOX_DIR}toxcore/tox_unpack.h
 	${TOX_DIR}toxcore/util.c
 	${TOX_DIR}toxcore/util.h
+
+	${TOX_DIR}toxencryptsave/defines.h
+	${TOX_DIR}toxencryptsave/toxencryptsave.c
+	${TOX_DIR}toxencryptsave/toxencryptsave.h
 )
 
 # HACK: "install" api headers into self

src/main_screen.cpp

@@ -6,11 +6,11 @@
 
 #include <memory>
 
-MainScreen::MainScreen(SDL_Renderer* renderer_, std::string save_path, std::vector<std::string> plugins) :
+MainScreen::MainScreen(SDL_Renderer* renderer_, std::string save_path, std::string save_password, std::vector<std::string> plugins) :
 	renderer(renderer_),
 	rmm(cr),
 	mts(rmm),
-	tc(save_path),
+	tc(save_path, save_password),
 	ad(tc),
 	tcm(cr, tc, tc),
 	tmm(rmm, cr, tcm, tc, tc),

src/main_screen.hpp

@@ -56,7 +56,7 @@ struct MainScreen final : public Screen {
 
 	ChatGui4 cg;
 
-	MainScreen(SDL_Renderer* renderer_, std::string save_path, std::vector<std::string> plugins);
+	MainScreen(SDL_Renderer* renderer_, std::string save_path, std::string save_password, std::vector<std::string> plugins);
 	~MainScreen(void);
 
 	bool handleEvent(SDL_Event& e) override;

src/start_screen.cpp

@@ -3,6 +3,7 @@
 #include "./main_screen.hpp"
 
 #include <imgui/imgui.h>
+#include <imgui/misc/cpp/imgui_stdlib.h>
 
 #include <memory>
 #include <filesystem>
@@ -24,6 +25,10 @@ Screen* StartScreen::poll(bool&) {
 
 	if (ImGui::BeginTabBar("view")) {
 		if (ImGui::BeginTabItem("load profile")) {
+			_new_save = false;
+
+			ImGui::TextUnformatted("profile :");
+			ImGui::SameLine();
 			if (ImGui::Button("select")) {
 				_fss.requestFile(
 					[](const auto& path) -> bool { return std::filesystem::is_regular_file(path); },
@@ -34,16 +39,36 @@ Screen* StartScreen::poll(bool&) {
 				);
 			}
 			ImGui::SameLine();
-			ImGui::Text("profile: %s", tox_profile_path.c_str());
+			ImGui::TextUnformatted(tox_profile_path.c_str());
 
-			ImGui::Text("TODO: profile password");
+			ImGui::TextUnformatted("password:");
+			ImGui::SameLine();
+			if (_show_password) {
+				ImGui::InputText("##password", &_password);
+			} else {
+				ImGui::InputText("##password", &_password, ImGuiInputTextFlags_Password);
+			}
+			ImGui::SameLine();
+			ImGui::Checkbox("show password", &_show_password);
 
 			ImGui::EndTabItem();
 		}
 		if (ImGui::BeginTabItem("create profile")) {
-			ImGui::Text("TODO: profile path");
-			ImGui::Text("TODO: profile name");
-			ImGui::Text("TODO: profile password");
+			_new_save = true;
+
+			ImGui::TextUnformatted("TODO: profile path");
+			ImGui::TextUnformatted("TODO: profile name");
+
+			ImGui::TextUnformatted("password:");
+			ImGui::SameLine();
+			if (_show_password) {
+				ImGui::InputText("##password", &_password);
+			} else {
+				ImGui::InputText("##password", &_password, ImGuiInputTextFlags_Password);
+			}
+			ImGui::SameLine();
+			ImGui::Checkbox("show password", &_show_password);
+
 			ImGui::EndTabItem();
 		}
 		if (ImGui::BeginTabItem("plugins")) {
@@ -80,9 +105,31 @@ Screen* StartScreen::poll(bool&) {
 
 	ImGui::Separator();
 
-	if (ImGui::Button("load", {60, 25})) {
-		auto new_screen = std::make_unique<MainScreen>(_renderer, tox_profile_path, queued_plugin_paths);
-		return new_screen.release();
+	if (!_new_save && !std::filesystem::is_regular_file(tox_profile_path)) {
+		// load but file missing
+
+		ImGui::BeginDisabled();
+		ImGui::Button("load", {60, 25});
+		ImGui::EndDisabled();
+
+		if (ImGui::IsItemHovered(ImGuiHoveredFlags_ForTooltip | ImGuiHoveredFlags_AllowWhenDisabled)) {
+			ImGui::SetTooltip("file does not exist");
+		}
+	} else if (_new_save && std::filesystem::exists(tox_profile_path)) {
+		// new but file exists
+
+		ImGui::BeginDisabled();
+		ImGui::Button("load", {60, 25});
+		ImGui::EndDisabled();
+
+		if (ImGui::IsItemHovered(ImGuiHoveredFlags_ForTooltip | ImGuiHoveredFlags_AllowWhenDisabled)) {
+			ImGui::SetTooltip("file already exists");
+		}
+	} else {
+		if (ImGui::Button("load", {60, 25})) {
+			auto new_screen = std::make_unique<MainScreen>(_renderer, tox_profile_path, _password, queued_plugin_paths);
+			return new_screen.release();
+		}
 	}
 
 	_fss.render();

src/start_screen.hpp

@@ -16,6 +16,11 @@ struct StartScreen final : public Screen {
 	SDL_Renderer* _renderer;
 	FileSelector _fss;
 
+	bool _new_save {false};
+
+	bool _show_password {false};
+	std::string _password;
+
 	std::string tox_profile_path {"tomato.tox"};
 	std::vector<std::string> queued_plugin_paths;
 

src/tox_client.cpp

@@ -1,5 +1,10 @@
 #include "./tox_client.hpp"
 
+// meh, change this
+#include <exception>
+#include <system_error>
+#include <toxencryptsave/toxencryptsave.h>
+
 #include <sodium.h>
 
 #include <vector>
@@ -7,8 +12,8 @@
 #include <iostream>
 #include <cassert>
 
-ToxClient::ToxClient(std::string_view save_path) :
-	_tox_profile_path(save_path)
+ToxClient::ToxClient(std::string_view save_path, std::string_view save_password) :
+	_tox_profile_path(save_path), _tox_profile_password(save_password)
 {
 	TOX_ERR_OPTIONS_NEW err_opt_new;
 	Tox_Options* options = tox_options_new(&err_opt_new);
@@ -34,6 +39,19 @@ ToxClient::ToxClient(std::string_view save_path) :
 				std::cerr << "empty tox save\n";
 			} else {
 				// set options
+				if (!save_password.empty()) {
+					std::vector<uint8_t> encrypted_copy(profile_data.begin(), profile_data.end());
+					//profile_data.clear();
+					profile_data.resize(encrypted_copy.size() - TOX_PASS_ENCRYPTION_EXTRA_LENGTH);
+					if (!tox_pass_decrypt(
+						encrypted_copy.data(), encrypted_copy.size(),
+						reinterpret_cast<const uint8_t*>(save_password.data()), save_password.size(),
+						profile_data.data(),
+						nullptr // TODO: error checking
+					)) {
+						throw std::runtime_error("FAILED to decrypt save file!!!!");
+					}
+				}
 				tox_options_set_savedata_type(options, TOX_SAVEDATA_TYPE_TOX_SAVE);
 				tox_options_set_savedata_data(options, profile_data.data(), profile_data.size());
 			}
@@ -122,6 +140,19 @@ void ToxClient::saveToxProfile(void) {
 	data.resize(tox_get_savedata_size(_tox));
 	tox_get_savedata(_tox, data.data());
 
+	if (!_tox_profile_password.empty()) {
+		std::vector<uint8_t> unencrypted_copy(data.begin(), data.end());
+		//profile_data.clear();
+		data.resize(unencrypted_copy.size() + TOX_PASS_ENCRYPTION_EXTRA_LENGTH);
+		if (!tox_pass_encrypt(
+			unencrypted_copy.data(), unencrypted_copy.size(),
+			reinterpret_cast<const uint8_t*>(_tox_profile_password.data()), _tox_profile_password.size(),
+			data.data(),
+			nullptr // TODO: error checking
+		)) {
+			throw std::runtime_error("FAILED to encrypt save file!!!!");
+		}
+	}
 	std::ofstream ofile{_tox_profile_path, std::ios::binary};
 	// TODO: improve
 	for (const auto& ch : data) {

src/tox_client.hpp

@@ -20,11 +20,12 @@ class ToxClient : public ToxDefaultImpl, public ToxEventProviderBase {
 		std::string _self_name;
 
 		std::string _tox_profile_path;
+		std::string _tox_profile_password;
 		bool _tox_profile_dirty {true}; // set in callbacks
 
 	public:
 		//ToxClient(/*const CommandLine& cl*/);
-		ToxClient(std::string_view save_path);
+		ToxClient(std::string_view save_path, std::string_view save_password);
 		~ToxClient(void);
 
 	public: // tox stuff