Rewrote backend in c++

.gitignore

@@ -115,3 +115,5 @@ fabric.properties
 .idea/**/azureSettings.xml
 
 # End of https://www.toptal.com/developers/gitignore/api/clion
+
+run/

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.name

@@ -0,0 +1 @@
+backend

.idea/dataSources.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="sqlite.db" uuid="6e8086dd-b853-422e-b48a-7c96a2403352">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/old_backend/sqlite.db</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+    <data-source source="LOCAL" name="sqlite.db [2]" uuid="788293bd-abec-4b6b-a13e-26da21cb36dd">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/run/sqlite.db</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

.idea/file_server.iml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module classpath="CMake" type="CPP_MODULE" version="4" />

.idea/misc.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$/backend">
+    <contentRoot DIR="$PROJECT_DIR$" />
+  </component>
+  <component name="CidrRootsConfiguration">
+    <libraryRoots>
+      <file path="$PROJECT_DIR$/backend/lib" />
+    </libraryRoots>
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/file_server.iml" filepath="$PROJECT_DIR$/.idea/file_server.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

backend/CMakeLists.txt

@@ -0,0 +1,70 @@
+cmake_minimum_required(VERSION 3.20)
+project(backend)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED YES)
+
+add_executable(backend
+        src/main.cpp
+
+        src/dto/dto.h
+        src/dto/responses.cpp
+
+        src/db/db.h
+        src/db/db.cpp
+
+        src/db/model/Inode.cc
+        src/db/model/Inode.h
+        src/db/model/Tokens.cc
+        src/db/model/Tokens.h
+        src/db/model/User.cc
+        src/db/model/User.h
+
+        src/controllers/controllers.h
+        src/controllers/admin.cpp
+        src/controllers/fs.cpp
+        src/controllers/user.cpp
+        src/controllers/auth/auth_common.cpp
+        src/controllers/auth/auth_basic.cpp
+        src/controllers/auth/auth_2fa.cpp
+
+        src/filters/filters.h
+        src/filters/filters.cpp
+        src/controllers/auth/auth_gitlab.cpp)
+
+
+if (MINGW)
+    target_link_libraries(backend -static-libgcc -static-libstdc++)
+endif (MINGW)
+
+
+find_package(Drogon CONFIG REQUIRED)
+find_package(CURL CONFIG REQUIRED)
+find_package(PNG REQUIRED)
+find_path(JWT_CPP_INCLUDE_DIRS "jwt-cpp/base.h")
+find_path(BOTAN_INCLUDE_DIRS "botan/botan.h")
+find_path(QR_INCLUDE_DIRS "qrcodegen.hpp")
+find_path(PNGPP_INCLUDE_DIRS "png++/color.hpp")
+find_library(BOTAN_LIBRARY botan-2)
+find_library(QR_LIBRARY nayuki-qr-code-generator)
+
+target_include_directories(backend PRIVATE
+        src
+        ${JWT_CPP_INCLUDE_DIRS}
+        ${BOTAN_INCLUDE_DIRS}
+        ${QR_INCLUDE_DIRS}
+        ${PNGPP_INCLUDE_DIRS}
+)
+
+target_link_libraries(backend
+        Drogon::Drogon
+        CURL::libcurl
+        PNG::PNG
+        ${BOTAN_LIBRARY}
+        ${QR_LIBRARY}
+)
+
+target_compile_options(backend PRIVATE
+        $<$<CONFIG:Debug>:-g -Wall -Wno-unknown-pragmas>
+        $<$<CONFIG:Release>:-O3>
+)

backend/src/controllers/admin.cpp

@@ -0,0 +1,88 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "performance-unnecessary-value-param"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include "controllers.h"
+#include "dto/dto.h"
+
+namespace api {
+    void admin::users(req_type, cbk_type cbk) {
+        db::MapperUser user_mapper(drogon::app().getDbClient());
+        std::vector<dto::Responses::GetUsersEntry> entries;
+        auto users = user_mapper.findAll();
+        for (const db::User& user : users)
+            entries.emplace_back(
+                    user.getValueOfId(),
+                    user.getValueOfGitlab() != 0,
+                    db::User_getEnumTfaType(user) != db::tfaTypes::NONE,
+                    user.getValueOfName(),
+                    db::User_getEnumRole(user)
+            );
+        cbk(dto::Responses::get_admin_users_res(entries));
+    }
+
+    void admin::set_role(req_type req, cbk_type cbk) {
+        Json::Value& json = *req->jsonObject();
+        try {
+            uint64_t user_id = dto::json_get<uint64_t>(json, "user").value();
+            db::UserRole role = (db::UserRole)dto::json_get<int>(json, "role").value();
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            auto user = user_mapper.findByPrimaryKey(user_id);
+            user.setRole(role);
+            user_mapper.update(user);
+
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void admin::logout(req_type req, cbk_type cbk) {
+        Json::Value& json = *req->jsonObject();
+        try {
+            uint64_t user_id = dto::json_get<uint64_t>(json, "user").value();
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            auto user = user_mapper.findByPrimaryKey(user_id);
+            auth::revoke_all(user);
+
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void admin::delete_user(req_type req, cbk_type cbk) {
+        Json::Value& json = *req->jsonObject();
+        try {
+            uint64_t user_id = dto::json_get<uint64_t>(json, "user").value();
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            auto user = user_mapper.findByPrimaryKey(user_id);
+            auth::revoke_all(user);
+             fs::delete_node(fs::get_node(user.getValueOfRootId()).value(), true);
+             user_mapper.deleteOne(user);
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void admin::disable_2fa(req_type req, cbk_type cbk) {
+        Json::Value& json = *req->jsonObject();
+        try {
+            uint64_t user_id = dto::json_get<uint64_t>(json, "user").value();
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            auto user = user_mapper.findByPrimaryKey(user_id);
+            user.setTfaType(db::tfaTypes::NONE);
+            user_mapper.update(user);
+
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+}
+#pragma clang diagnostic pop

backend/src/controllers/auth/auth_2fa.cpp

@@ -0,0 +1,103 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "readability-make-member-function-const"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include <botan/base32.h>
+#include <botan/base64.h>
+#include <qrcodegen.hpp>
+#include <png++/png.hpp>
+
+#include "controllers/controllers.h"
+#include "db/db.h"
+#include "dto/dto.h"
+
+std::string create_totp_qrcode(const db::User& user, const std::string& b32_secret) {
+    const int qrcode_pixel_size = 4;
+
+    std::stringstream code_ss;
+    code_ss << "otpauth://totp/MFileserver:"
+            << user.getValueOfName()
+            << "?secret="
+            << b32_secret
+            << "&issuer=MFileserver";
+    auto code = qrcodegen::QrCode::encodeText(code_ss.str().c_str(), qrcodegen::QrCode::Ecc::MEDIUM);
+    const int mod_count = code.getSize();
+    png::image<png::gray_pixel> image(mod_count*qrcode_pixel_size, mod_count*qrcode_pixel_size);
+    for (int x = 0; x < mod_count; x++) for (int y = 0; y < mod_count; y++) {
+        const bool mod = code.getModule(x, y);
+        const int x_img_start = x * qrcode_pixel_size, y_img_start = y * qrcode_pixel_size;
+        for (int x_img = x_img_start; x_img < x_img_start + qrcode_pixel_size; x_img++) for (int y_img = y_img_start; y_img < y_img_start + qrcode_pixel_size; y_img++)
+            image[x_img][y_img] = mod ? 0 : 0xff;
+    }
+    std::stringstream image_ss;
+    image.write_stream(image_ss);
+
+    std::string image_str = image_ss.str();
+    std::vector<uint8_t> secret(image_str.data(), image_str.data()+image_str.size());
+
+    return "data:image/png;base64," + Botan::base64_encode(secret);
+}
+
+namespace api {
+    void auth::tfa_setup(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        Json::Value &json = *req->jsonObject();
+        try {
+            bool mail = dto::json_get<bool>(json, "mail").value();
+
+            auto secret_uchar = rng->random_vec(32);
+            std::vector<char> secret(secret_uchar.data(), secret_uchar.data()+32);
+            user.setTfaSecret(secret);
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            user_mapper.update(user);
+
+            if (mail) {
+                send_mail(user);
+                cbk(dto::Responses::get_success_res());
+            } else {
+                std::string b32_secret = Botan::base32_encode(secret_uchar);
+                b32_secret.erase(std::remove(b32_secret.begin(), b32_secret.end(), '='), b32_secret.end());
+                std::string code = create_totp_qrcode(user, b32_secret);
+                cbk(dto::Responses::get_tfa_setup_res(b32_secret, code));
+            }
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void auth::tfa_complete(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        Json::Value &json = *req->jsonObject();
+        try {
+            bool mail = dto::json_get<bool>(json, "mail").value();
+            uint32_t code = std::stoi(dto::json_get<std::string>(json, "code").value());
+
+            user.setTfaType(mail ? db::tfaTypes::EMAIL : db::tfaTypes::TOTP);
+
+            if (!verify2fa(user, code))
+                return cbk(dto::Responses::get_unauth_res("Incorrect 2fa"));
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+            user_mapper.update(user);
+
+            revoke_all(user);
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void auth::tfa_disable(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+
+        db::MapperUser user_mapper(drogon::app().getDbClient());
+        user.setTfaType(db::tfaTypes::NONE);
+        user_mapper.update(user);
+
+        revoke_all(user);
+        cbk(dto::Responses::get_success_res());
+    }
+}
+
+#pragma clang diagnostic pop

backend/src/controllers/auth/auth_basic.cpp

@@ -0,0 +1,135 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "readability-make-member-function-const"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include <botan/argon2.h>
+#include <botan/totp.h>
+#include <jwt-cpp/traits/kazuho-picojson/traits.h>
+#include <jwt-cpp/jwt.h>
+
+#include "controllers/controllers.h"
+#include "db/db.h"
+#include "dto/dto.h"
+
+namespace api {
+    void auth::login(req_type req, cbk_type cbk) {
+        Json::Value &json = *req->jsonObject();
+        try {
+            std::string username = dto::json_get<std::string>(json, "username").value();
+            std::string password = dto::json_get<std::string>(json, "password").value();
+            std::optional<std::string> otp = dto::json_get<std::string>(json, "otp");
+
+            auto db = drogon::app().getDbClient();
+
+            db::MapperUser user_mapper(db);
+            auto db_users = user_mapper.findBy(
+                    db::Criteria(db::User::Cols::_name, db::CompareOps::EQ, username) &&
+                    db::Criteria(db::User::Cols::_gitlab, db::CompareOps::EQ, 0)
+            );
+            if (db_users.empty()) {
+                cbk(dto::Responses::get_unauth_res("Invalid username or password"));
+                return;
+            }
+            db::User &db_user = db_users.at(0);
+            if (!Botan::argon2_check_pwhash(password.c_str(), password.size(), db_user.getValueOfPassword())) {
+                cbk(dto::Responses::get_unauth_res("Invalid username or password"));
+                return;
+            }
+            if (db::User_getEnumRole(db_user) == db::UserRole::DISABLED) {
+                cbk(dto::Responses::get_unauth_res("Account is disabled"));
+                return;
+            }
+
+            const auto tfa = db::User_getEnumTfaType(db_user);
+            if (tfa != db::tfaTypes::NONE) {
+                if (!otp.has_value()) {
+                    if (tfa == db::tfaTypes::EMAIL) send_mail(db_user);
+                    return cbk(dto::Responses::get_success_res());
+                }
+                if (!verify2fa(db_user, std::stoi(otp.value())))
+                    return cbk(dto::Responses::get_unauth_res("Incorrect 2fa"));
+            }
+
+            cbk(dto::Responses::get_login_res(get_token(db_user)));
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void auth::signup(req_type req, cbk_type cbk) {
+        Json::Value &json = *req->jsonObject();
+        try {
+            std::string username = dto::json_get<std::string>(json, "username").value();
+            std::string password = dto::json_get<std::string>(json, "password").value();
+
+            db::MapperUser user_mapper(drogon::app().getDbClient());
+
+            auto existing_users = user_mapper.count(
+                    db::Criteria(db::User::Cols::_name, db::CompareOps::EQ, username) &&
+                    db::Criteria(db::User::Cols::_gitlab, db::CompareOps::EQ, 0)
+            );
+            if (existing_users != 0) {
+                cbk(dto::Responses::get_badreq_res("Username is already taken"));
+                return;
+            }
+
+            //std::string hash = Botan::argon2_generate_pwhash(password.c_str(), password.size(), *rng, 1, 256*1024, 2);
+            std::string hash = Botan::argon2_generate_pwhash(password.c_str(), password.size(), *rng, 1, 16*1024, 1);
+
+            db::User new_user;
+            new_user.setName(username);
+            new_user.setPassword(hash);
+            new_user.setGitlab(0);
+            new_user.setRole(db::UserRole::DISABLED);
+            new_user.setRootId(0);
+            new_user.setTfaType(db::tfaTypes::NONE);
+
+            user_mapper.insert(new_user);
+            generate_root(new_user);
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception& e) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void auth::refresh(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        db::Token token = dto::get_token(req);
+
+        db::MapperToken token_mapper(drogon::app().getDbClient());
+        token_mapper.deleteOne(token);
+        cbk(dto::Responses::get_login_res( get_token(user)));
+    }
+
+    void auth::logout_all(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        revoke_all(user);
+        cbk(dto::Responses::get_success_res());
+    }
+
+    void auth::change_password(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        Json::Value &json = *req->jsonObject();
+        try {
+            std::string old_pw = dto::json_get<std::string>(json, "oldPassword").value();
+            std::string new_pw = dto::json_get<std::string>(json, "newPassword").value();
+
+            auto db = drogon::app().getDbClient();
+            db::MapperUser user_mapper(db);
+
+            if (!Botan::argon2_check_pwhash(old_pw.c_str(), old_pw.size(), user.getValueOfPassword()))
+                return cbk(dto::Responses::get_unauth_res("Old password is wrong"));
+
+            std::string hash = Botan::argon2_generate_pwhash(new_pw.c_str(), new_pw.size(), *rng, 1, 256*1024, 2);
+
+            user.setPassword(hash);
+            user_mapper.update(user);
+            revoke_all(user);
+            cbk(dto::Responses::get_success_res());
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+}
+
+#pragma clang diagnostic pop

backend/src/controllers/auth/auth_common.cpp

@@ -0,0 +1,110 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "readability-make-member-function-const"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include <chrono>
+#include <iomanip>
+
+#include <botan/argon2.h>
+#include <botan/uuid.h>
+#include <botan/totp.h>
+
+#if defined(BOTAN_HAS_SYSTEM_RNG)
+#include <botan/system_rng.h>
+#else
+#include <botan/auto_rng.h>
+#endif
+
+#include <jwt-cpp/traits/kazuho-picojson/traits.h>
+#include <jwt-cpp/jwt.h>
+#include <curl/curl.h>
+
+#include "controllers/controllers.h"
+#include "db/db.h"
+#include "dto/dto.h"
+
+size_t payload_source(char* ptr, size_t size, size_t nmemb, void* userp) {
+    auto* ss = (std::stringstream*)userp;
+    return ss->readsome(ptr, (long)(size*nmemb));
+}
+
+namespace api {
+#if defined(BOTAN_HAS_SYSTEM_RNG)
+    std::unique_ptr<Botan::RNG> auth::rng = std::make_unique<Botan::System_RNG>();
+#else
+    std::unique_ptr<Botan::RNG> auth::rng = std::make_unique<Botan::AutoSeeded_RNG>();
+#endif
+
+    bool auth::verify2fa(const db::User& user, uint32_t totp) {
+        size_t allowed_skew = db::User_getEnumTfaType(user) == db::tfaTypes::TOTP ? 0 : 10;
+        const auto& totp_secret = (const std::vector<uint8_t>&) user.getValueOfTfaSecret();
+        return Botan::TOTP(Botan::OctetString(totp_secret)).verify_totp(totp, std::chrono::system_clock::now(), allowed_skew);
+    }
+
+    void auth::send_mail(const db::User& user) {
+        std::stringstream ss;
+        std::time_t t = std::time(nullptr);
+        const auto& totp_secret = (const std::vector<uint8_t>&) user.getValueOfTfaSecret();
+        char totp[16];
+        std::snprintf(totp, 16, "%06d", Botan::TOTP(Botan::OctetString(totp_secret)).generate_totp(t));
+        ss.imbue(std::locale("en_US.utf8"));
+        ss << "Date: " << std::put_time(std::localtime(&t), "%a, %d %b %Y %T %z") << "\r\n";
+        ss << "To: " << user.getValueOfName() << "\r\n";
+        ss << "From: fileserver@mattv.de\r\n";
+        ss << "Message-ID: " << Botan::UUID(*rng).to_string() << "@mattv.de>\r\n";
+        ss << "Subject: Fileserver - EMail 2fa code\r\n";
+        ss << "Your code is: " << totp << "\r\n";
+        ss << "It is valid for 5 Minutes\r\n";
+
+        CURL* curl = curl_easy_init();
+        curl_easy_setopt(curl, CURLOPT_USERNAME, "no-reply@mattv.de");
+        curl_easy_setopt(curl, CURLOPT_PASSWORD, "noreplyLONGPASS123");
+        curl_easy_setopt(curl, CURLOPT_URL, "smtp://mail.mattv.de:587");
+        curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
+        auto recp = curl_slist_append(nullptr, user.getValueOfName().c_str());
+        curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recp);
+        curl_easy_setopt(curl, CURLOPT_READFUNCTION, &payload_source);
+        curl_easy_setopt(curl, CURLOPT_READDATA, &ss);
+        curl_easy_setopt(curl, CURLOPT_UPLOAD, 1);
+        curl_easy_perform(curl);
+        curl_slist_free_all(recp);
+        curl_easy_cleanup(curl);
+    }
+
+    std::string auth::get_token(const db::User& user) {
+        auto db = drogon::app().getDbClient();
+
+        db::MapperToken token_mapper(db);
+        const auto iat = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now().time_since_epoch());
+        const auto exp = iat + std::chrono::hours{24};
+
+        db::Token new_token;
+        new_token.setOwnerId(user.getValueOfId());
+        new_token.setExp(exp.count());
+
+        token_mapper.insert(new_token);
+
+        return jwt::create<jwt::traits::kazuho_picojson>()
+                .set_type("JWT")
+                .set_payload_claim("sub", picojson::value((int64_t)user.getValueOfId()))
+                .set_payload_claim("jti", picojson::value((int64_t)new_token.getValueOfId()))
+                .set_issued_at(std::chrono::system_clock::from_time_t(iat.count()))
+                .set_expires_at(std::chrono::system_clock::from_time_t(exp.count()))
+                .sign(jwt::algorithm::hs256{jwt_secret});
+    }
+
+    void auth::generate_root(db::User& user) {
+        db::MapperUser user_mapper(drogon::app().getDbClient());
+
+        auto node = fs::create_node("", user, false, std::nullopt, true);
+        user.setRootId(std::get<db::INode>(node).getValueOfId());
+        user_mapper.update(user);
+    }
+
+    void auth::revoke_all(const db::User& user) {
+        db::MapperToken token_mapper(drogon::app().getDbClient());
+         token_mapper.deleteBy(db::Criteria(db::Token::Cols::_owner_id, db::CompareOps::EQ, user.getValueOfId()));
+    }
+}
+
+#pragma clang diagnostic pop

backend/src/controllers/auth/auth_gitlab.cpp

@@ -0,0 +1,118 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "performance-unnecessary-value-param"
+#pragma ide diagnostic ignored "readability-make-member-function-const"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include <utility>
+
+#include "controllers/controllers.h"
+#include "dto/dto.h"
+
+const std::string GITLAB_ID = "98bcbad78cb1f880d1d1de62291d70a791251a7bea077bfe7df111ef3c115760";
+const std::string GITLAB_SECRET = "7ee01d2b204aff3a05f9d028f004d169b6d381ec873e195f314b3935fa150959";
+const std::string GITLAB_URL = "https://gitlab.mattv.de";
+const std::string GITLAB_API_URL = "https://ssh.gitlab.mattv.de";
+
+std::string get_redirect_uri(req_type req) {
+    auto host_header = req->headers().find("host");
+    std::stringstream ss;
+    ss << (req->isOnSecureConnection() ? "https" : "http")
+       << "://"
+       << (host_header != req->headers().end() ? host_header->second : "127.0.0.1:1234")
+       << "/api/auth/gitlab_callback";
+    return drogon::utils::urlEncode(ss.str());
+}
+
+const drogon::HttpClientPtr& get_gitlab_client() {
+    static drogon::HttpClientPtr client = drogon::HttpClient::newHttpClient(GITLAB_API_URL, drogon::app().getLoop(), false, false);
+    return client;
+}
+
+
+namespace api {
+    std::optional<auth::gitlab_tokens> auth::get_gitlab_tokens(req_type req, const std::string& code_or_token, bool token) {
+        std::stringstream ss;
+        ss << "/oauth/token"
+           << "?redirect_uri=" << get_redirect_uri(req)
+           << "&client_id=" << GITLAB_ID
+           << "&client_secret=" << GITLAB_SECRET
+           << (token ? "&refresh_token=" : "&code=") << code_or_token
+           << "&grant_type=" << (token ? "refresh_token" : "authorization_code");
+        auto gitlab_req = drogon::HttpRequest::newHttpRequest();
+        gitlab_req->setPathEncode(false);
+        gitlab_req->setPath(ss.str());
+        gitlab_req->setMethod(drogon::HttpMethod::Post);
+        auto res_tuple = get_gitlab_client()->sendRequest(gitlab_req);
+        auto res = res_tuple.second;
+        if ((res->statusCode() != drogon::HttpStatusCode::k200OK) && (res->statusCode() != drogon::HttpStatusCode::k201Created))
+            return std::nullopt;
+        auto json = *res->jsonObject();
+        return std::make_optional<gitlab_tokens>(
+                json["access_token"].as<std::string>(),
+                json["refresh_token"].as<std::string>()
+        );
+    }
+
+    std::optional<auth::gitlab_user> auth::get_gitlab_user(const std::string& at) {
+        auto gitlab_req = drogon::HttpRequest::newHttpRequest();
+        gitlab_req->setPath("/api/v4/user");
+        gitlab_req->addHeader("Authorization", "Bearer " + at);
+        gitlab_req->setMethod(drogon::HttpMethod::Get);
+        auto res_tuple = get_gitlab_client()->sendRequest(gitlab_req);
+        auto res = res_tuple.second;
+        if (res->statusCode() != drogon::HttpStatusCode::k200OK)
+            return std::nullopt;
+        auto json = *res->jsonObject();
+        return std::make_optional<gitlab_user>(
+                json["username"].as<std::string>(),
+                json.get("is_admin", false).as<bool>()
+        );
+    }
+
+    void auth::gitlab(req_type req, cbk_type cbk) {
+        std::stringstream ss;
+        ss << GITLAB_URL << "/oauth/authorize"
+           << "?redirect_uri=" << get_redirect_uri(req)
+           << "&client_id=" << GITLAB_ID
+           << "&scope=read_user&response_type=code";
+        cbk(drogon::HttpResponse::newRedirectionResponse(ss.str()));
+    }
+
+    void auth::gitlab_callback(req_type req, cbk_type cbk, std::string code) {
+        auto tokens =  get_gitlab_tokens(req, code, false);
+        if (!tokens.has_value())
+            return cbk(dto::Responses::get_unauth_res("Invalid code"));
+        auto info =  get_gitlab_user(tokens->at);
+        if (!info.has_value())
+            return cbk(dto::Responses::get_unauth_res("Invalid code"));
+
+        db::MapperUser user_mapper(drogon::app().getDbClient());
+        auto db_users =  user_mapper.findBy(
+                db::Criteria(db::User::Cols::_name, db::CompareOps::EQ, info->name) &&
+                db::Criteria(db::User::Cols::_gitlab, db::CompareOps::EQ, 1)
+        );
+
+        if (db_users.empty()) {
+            db::User new_user;
+            new_user.setName(info->name);
+            new_user.setPassword("");
+            new_user.setGitlab(1);
+            new_user.setRole(info->is_admin ? db::UserRole::ADMIN : db::UserRole::DISABLED);
+            new_user.setRootId(0);
+            new_user.setTfaType(db::tfaTypes::NONE);
+
+            user_mapper.insert(new_user);
+            generate_root(new_user);
+            db_users.push_back(new_user);
+        }
+        db::User& db_user = db_users.at(0);
+        db_user.setGitlabAt(tokens->at);
+        db_user.setGitlabRt(tokens->rt);
+        user_mapper.update(db_user);
+
+        const std::string& token = get_token(db_user);
+        cbk(drogon::HttpResponse::newRedirectionResponse("/set_token?token="+token));
+    }
+}
+
+#pragma clang diagnostic pop

backend/src/controllers/controllers.h

@@ -0,0 +1,119 @@
+#ifndef BACKEND_CONTROLLERS_H
+#define BACKEND_CONTROLLERS_H
+#include <drogon/drogon.h>
+#include <drogon/utils/coroutine.h>
+#include <botan/rng.h>
+#include <coroutine>
+#include <variant>
+
+#include "db/db.h"
+
+using req_type = const drogon::HttpRequestPtr&;
+using cbk_type = std::function<void(const drogon::HttpResponsePtr &)>&&;
+
+namespace api {
+class admin : public drogon::HttpController<admin> {
+public:
+    METHOD_LIST_BEGIN
+        METHOD_ADD(admin::users, "/users", drogon::Get, "Login", "Admin");
+        METHOD_ADD(admin::set_role, "/set_role", drogon::Post, "Login", "Admin");
+        METHOD_ADD(admin::logout, "/logout", drogon::Post, "Login", "Admin");
+        METHOD_ADD(admin::delete_user, "/delete", drogon::Post, "Login", "Admin");
+        METHOD_ADD(admin::disable_2fa, "/disable_2fa", drogon::Post, "Login", "Admin");
+    METHOD_LIST_END
+
+    void users(req_type, cbk_type);
+    void set_role(req_type, cbk_type);
+    void logout(req_type, cbk_type);
+    void delete_user(req_type, cbk_type);
+    void disable_2fa(req_type, cbk_type);
+};
+
+class auth : public drogon::HttpController<auth> {
+public:
+    METHOD_LIST_BEGIN
+        METHOD_ADD(auth::gitlab, "/gitlab", drogon::Get);
+        METHOD_ADD(auth::gitlab_callback, "/gitlab_callback?code={}", drogon::Get);
+        METHOD_ADD(auth::signup, "/signup", drogon::Post);
+        METHOD_ADD(auth::login, "/login", drogon::Post);
+        METHOD_ADD(auth::refresh, "/refresh", drogon::Post, "Login");
+        METHOD_ADD(auth::tfa_setup, "/2fa/setup", drogon::Post, "Login");
+        METHOD_ADD(auth::tfa_complete, "/2fa/complete", drogon::Post, "Login");
+        METHOD_ADD(auth::tfa_disable, "/2fa/disable", drogon::Post, "Login");
+        METHOD_ADD(auth::change_password, "/change_password", drogon::Post, "Login");
+        METHOD_ADD(auth::logout_all, "/logout_all", drogon::Post, "Login");
+    METHOD_LIST_END
+
+    struct gitlab_tokens {
+        gitlab_tokens(std::string at, std::string rt) : at(std::move(at)), rt(std::move(rt)) {}
+        std::string at, rt;
+    };
+    struct gitlab_user {
+        gitlab_user(std::string name, bool isAdmin) : name(std::move(name)), is_admin(isAdmin) {}
+        std::string name;
+        bool is_admin;
+    };
+
+    static std::unique_ptr<Botan::RNG> rng;
+
+    static std::optional<gitlab_tokens> get_gitlab_tokens(req_type, const std::string&, bool token);
+    static std::optional<gitlab_user> get_gitlab_user(const std::string&);
+    static bool verify2fa(const db::User&, uint32_t totp);
+    static void send_mail(const db::User&);
+    static std::string get_token(const db::User&);
+    static void generate_root(db::User&);
+    static void revoke_all(const db::User&);
+
+    void gitlab(req_type, cbk_type);
+    void gitlab_callback(req_type, cbk_type, std::string code);
+    void signup(req_type, cbk_type);
+    void login(req_type, cbk_type);
+    void refresh(req_type, cbk_type);
+    void tfa_setup(req_type, cbk_type);
+    void tfa_complete(req_type, cbk_type);
+    void tfa_disable(req_type, cbk_type);
+    void change_password(req_type, cbk_type);
+    void logout_all(req_type, cbk_type);
+};
+
+class fs : public drogon::HttpController<fs> {
+public:
+    METHOD_LIST_BEGIN
+        METHOD_ADD(fs::root, "/root", drogon::Get, "Login");
+        METHOD_ADD(fs::node, "/node/{}", drogon::Get, "Login");
+        METHOD_ADD(fs::path, "/path/{}", drogon::Get, "Login");
+        METHOD_ADD(fs::create_node_req<false>, "/createFolder", drogon::Post, "Login");
+        METHOD_ADD(fs::create_node_req<true>, "/createFile", drogon::Post, "Login");
+        METHOD_ADD(fs::delete_node_req, "/delete/{}", drogon::Post, "Login");
+        METHOD_ADD(fs::upload, "/upload/{}", drogon::Post, "Login");
+        METHOD_ADD(fs::download, "/download", drogon::Post, "Login");
+    METHOD_LIST_END
+
+    static std::optional<db::INode> get_node(uint64_t node);
+    static std::optional<db::INode> get_node_and_validate(const db::User& user, uint64_t node);
+    static std::vector<db::INode> get_children(const db::INode& parent);
+    static std::variant<db::INode, std::string> create_node(std::string name, const db::User& owner, bool file, const std::optional<uint64_t> &parent, bool force = false);
+    static void delete_node(db::INode node, bool allow_root = false);
+
+
+    void root(req_type, cbk_type);
+    void node(req_type, cbk_type, uint64_t node);
+    void path(req_type, cbk_type, uint64_t node);
+    template<bool file> void create_node_req(req_type req, cbk_type cbk);
+    void delete_node_req(req_type, cbk_type, uint64_t node);
+    void upload(req_type, cbk_type, uint64_t node);
+    void download(req_type, cbk_type);
+};
+
+class user : public drogon::HttpController<user> {
+public:
+    METHOD_LIST_BEGIN
+        METHOD_ADD(user::info, "/info", drogon::Get, "Login");
+        METHOD_ADD(user::delete_user, "/delete", drogon::Post, "Login");
+    METHOD_LIST_END
+
+    void info(req_type, cbk_type);
+    void delete_user(req_type, cbk_type);
+};
+}
+#endif //BACKEND_CONTROLLERS_H

backend/src/controllers/fs.cpp

@@ -0,0 +1,211 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "performance-unnecessary-value-param"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include <filesystem>
+#include "controllers.h"
+#include "dto/dto.h"
+
+char windows_invalid_chars[] = "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F<>:\"/\\|";
+
+std::string generate_path(db::INode node) {
+    db::MapperInode inode_mapper(drogon::app().getDbClient());
+    std::stack<db::INode> path;
+    path.push(node);
+    while (node.getParentId() != nullptr) {
+        node = inode_mapper.findByPrimaryKey(node.getValueOfParentId());
+        path.push(node);
+    }
+    std::stringstream ss;
+    while (!path.empty()) {
+        const db::INode& seg = path.top();
+        ss << seg.getValueOfName();
+        if (seg.getValueOfIsFile() == 0) ss << '/';
+        path.pop();
+    }
+    return ss.str();
+}
+
+namespace api {
+    std::optional<db::INode> fs::get_node(uint64_t node) {
+        db::MapperInode inode_mapper(drogon::app().getDbClient());
+        try {
+            return inode_mapper.findByPrimaryKey(node);
+        } catch (const std::exception&) {
+            return std::nullopt;
+        }
+    }
+
+    std::optional<db::INode> fs::get_node_and_validate(const db::User &user, uint64_t node) {
+        auto inode = get_node(node);
+        if (!inode.has_value()) return std::nullopt;
+        if (inode->getValueOfOwnerId() != user.getValueOfId()) return std::nullopt;
+        return inode;
+    }
+
+    std::vector<db::INode> fs::get_children(const db::INode& parent) {
+        db::MapperInode inode_mapper(drogon::app().getDbClient());
+        return inode_mapper.findBy(db::Criteria(db::INode::Cols::_parent_id, db::CompareOps::EQ, parent.getValueOfId()));
+    }
+
+    std::variant<db::INode, std::string> fs::create_node(std::string name, const db::User& owner, bool file, const std::optional<uint64_t> &parent, bool force) {
+        // Stolen from https://github.com/boostorg/filesystem/blob/develop/src/portability.cpp
+        if (!force)
+            if (name.empty() || name[0] == ' ' || name.find_first_of(windows_invalid_chars, 0, sizeof(windows_invalid_chars)) != std::string::npos || *(name.end() - 1) == ' ' || *(name.end() - 1) == '.' || name == "." || name == "..")
+                return {"Invalid name"};
+
+        db::INode node;
+        node.setIsFile(file ? 1 : 0);
+        node.setName(name);
+        node.setOwnerId(owner.getValueOfId());
+        if (parent.has_value()) {
+            auto parent_node =  get_node_and_validate(owner, *parent);
+            if (!parent_node.has_value())
+                return {"Invalid parent"};
+            if (parent_node->getValueOfIsFile() != 0)
+                return {"Can't use file as parent"};
+            auto children = get_children(*parent_node);
+            for (const auto& child : children)
+                if (child.getValueOfName() == name)
+                    return {"File/Folder already exists"};
+            node.setParentId(*parent);
+        }
+        db::MapperInode inode_mapper(drogon::app().getDbClient());
+        inode_mapper.insert(node);
+        return {node};
+    }
+
+    void fs::delete_node(db::INode node, bool allow_root) {
+        if (node.getValueOfParentId() == 0 && (!allow_root)) return;
+        if (node.getValueOfIsFile() == 0) {
+            auto children =  get_children(node);
+            for (const auto& child : children) delete_node(child, false);
+        } else {
+            std::filesystem::path p("./files");
+            p /= std::to_string(node.getValueOfId());
+            std::filesystem::remove(p);
+        }
+        db::MapperInode inode_mapper(drogon::app().getDbClient());
+        inode_mapper.deleteOne(node);
+    }
+
+    void fs::root(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        cbk(dto::Responses::get_root_res(user.getValueOfRootId()));
+    }
+
+    void fs::node(req_type req, cbk_type cbk, uint64_t node) {
+        db::User user = dto::get_user(req);
+        auto inode =  get_node_and_validate(user, node);
+        if (!inode.has_value())
+            cbk(dto::Responses::get_badreq_res("Unknown node"));
+        else if (inode->getValueOfIsFile() == 0) {
+            std::vector<uint64_t> children;
+            for (const db::INode& child : get_children(*inode)) children.push_back(child.getValueOfId());
+            cbk(dto::Responses::get_node_folder_res(
+                    inode->getValueOfId(),
+                    inode->getValueOfName(),
+                    inode->getParentId(),
+                    children
+            ));
+        } else
+            cbk(dto::Responses::get_node_file_res(
+                    inode->getValueOfId(),
+                    inode->getValueOfName(),
+                    inode->getParentId(),
+                    inode->getValueOfSize()
+            ));
+    }
+
+    void fs::path(req_type req, cbk_type cbk, uint64_t node) {
+        db::User user = dto::get_user(req);
+        auto inode = get_node_and_validate(user, node);
+        if (!inode.has_value())
+            cbk(dto::Responses::get_badreq_res("Unknown node"));
+        else
+            cbk(dto::Responses::get_path_res( generate_path(*inode)));
+    }
+
+    template<bool file>
+    void fs::create_node_req(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        Json::Value& json = *req->jsonObject();
+        try {
+            uint64_t parent = dto::json_get<uint64_t>(json, "parent").value();
+            std::string name = dto::json_get<std::string>(json, "name").value();
+
+            auto new_node = create_node(name, user, file, std::make_optional(parent));
+            if (std::holds_alternative<std::string>(new_node))
+                cbk(dto::Responses::get_badreq_res(std::get<std::string>(new_node)));
+            else
+                cbk(dto::Responses::get_new_node_res(std::get<db::INode>(new_node).getValueOfId()));
+        } catch (const std::exception&) {
+            cbk(dto::Responses::get_badreq_res("Validation error"));
+        }
+    }
+
+    void fs::delete_node_req(req_type req, cbk_type cbk, uint64_t node) {
+        db::User user = dto::get_user(req);
+        auto inode = get_node_and_validate(user, node);
+        if (!inode.has_value())
+            cbk(dto::Responses::get_badreq_res("Unknown node"));
+        else if (inode->getValueOfParentId() == 0)
+            cbk(dto::Responses::get_badreq_res("Can't delete root"));
+        else {
+             delete_node(*inode);
+            cbk(dto::Responses::get_success_res());
+        }
+    }
+
+    void fs::upload(req_type req, cbk_type cbk, uint64_t node) {
+        db::User user = dto::get_user(req);
+
+        auto inode = get_node_and_validate(user, node);
+        if (!inode.has_value())
+            return cbk(dto::Responses::get_badreq_res("Unknown node"));
+        if (inode->getValueOfIsFile() == 0)
+            return cbk(dto::Responses::get_badreq_res("Can't upload to a directory"));
+
+        drogon::MultiPartParser mpp;
+        if (mpp.parse(req) != 0)
+            return cbk(dto::Responses::get_badreq_res("Failed to parse files"));
+        if (mpp.getFiles().size() != 1)
+            return cbk(dto::Responses::get_badreq_res("Exactly 1 file needed"));
+
+        const drogon::HttpFile& file = mpp.getFiles().at(0);
+
+        std::filesystem::path p("./files");
+        p /= std::to_string(inode->getValueOfId());
+
+        file.saveAs(p.string());
+
+        inode->setSize(file.fileLength());
+        db::MapperInode inode_mapper(drogon::app().getDbClient());
+        inode_mapper.update(*inode);
+        cbk(dto::Responses::get_success_res());
+    }
+
+    void fs::download(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+
+        auto node_id = req->getOptionalParameter<uint64_t>("id");
+        if (!node_id.has_value()) {
+            cbk(dto::Responses::get_badreq_res("Invalid node"));
+            return;
+        }
+        auto inode =  get_node_and_validate(user, *node_id);
+        if (!inode.has_value()) {
+            cbk(dto::Responses::get_badreq_res("Invalid node"));
+            return;
+        }
+
+        std::filesystem::path p("./files");
+        p /= std::to_string(inode->getValueOfId());
+
+        cbk(drogon::HttpResponse::newFileResponse(
+            p.string(),
+            inode->getValueOfName()
+        ));
+    }
+}
+#pragma clang diagnostic pop

backend/src/controllers/user.cpp

@@ -0,0 +1,29 @@
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "performance-unnecessary-value-param"
+#pragma ide diagnostic ignored "readability-convert-member-functions-to-static"
+
+#include "controllers.h"
+#include "dto/dto.h"
+
+namespace api {
+    void user::info(req_type req, cbk_type cbk) {
+        db::User user = dto::get_user(req);
+        cbk(dto::Responses::get_user_info_res(
+                user.getValueOfName(),
+                user.getValueOfGitlab() != 0,
+                db::User_getEnumTfaType(user) != db::tfaTypes::NONE)
+        );
+    }
+
+    void user::delete_user(req_type req, cbk_type cbk) {
+        db::MapperUser user_mapper(drogon::app().getDbClient());
+
+        db::User user = dto::get_user(req);
+        auth::revoke_all(user);
+        fs::delete_node((fs::get_node(user.getValueOfRootId())).value(), true);
+        user_mapper.deleteOne(user);
+
+        cbk(dto::Responses::get_success_res());
+    }
+}
+#pragma clang diagnostic pop

backend/src/db/db.cpp

@@ -0,0 +1,11 @@
+#include "db.h"
+
+namespace db {
+    UserRole User_getEnumRole(const User& user) noexcept {
+        return (UserRole)user.getValueOfRole();
+    }
+
+    tfaTypes User_getEnumTfaType(const User& user) noexcept {
+        return (tfaTypes)user.getValueOfTfaType();
+    }
+}

backend/src/db/db.h

@@ -0,0 +1,43 @@
+#ifndef BACKEND_DB_H
+#define BACKEND_DB_H
+
+#include <utility>
+
+#include <drogon/utils/coroutine.h>
+#include <drogon/drogon.h>
+
+#include "model/Inode.h"
+#include "model/Tokens.h"
+#include "model/User.h"
+
+const std::string jwt_secret = "CUM";
+
+namespace db {
+    enum UserRole : int {
+        ADMIN = 2,
+        USER = 1,
+        DISABLED = 0
+    };
+
+    enum tfaTypes : int {
+        NONE = 0,
+        EMAIL = 1,
+        TOTP = 2
+    };
+
+    using INode = drogon_model::sqlite3::Inode;
+    using Token = drogon_model::sqlite3::Tokens;
+    using User = drogon_model::sqlite3::User;
+
+    using MapperInode = drogon::orm::Mapper<INode>;
+    using MapperToken = drogon::orm::Mapper<Token>;
+    using MapperUser = drogon::orm::Mapper<User>;
+
+    using Criteria = drogon::orm::Criteria;
+    using CompareOps = drogon::orm::CompareOperator;
+
+    UserRole User_getEnumRole(const User&) noexcept;
+    tfaTypes User_getEnumTfaType(const User&) noexcept;
+}
+
+#endif //BACKEND_DB_H

backend/src/db/model/Inode.h

@@ -0,0 +1,275 @@
+/**
+ *
+ *  Inode.h
+ *  DO NOT EDIT. This file is generated by drogon_ctl
+ *
+ */
+
+#pragma once
+#include <drogon/orm/Result.h>
+#include <drogon/orm/Row.h>
+#include <drogon/orm/Field.h>
+#include <drogon/orm/SqlBinder.h>
+#include <drogon/orm/Mapper.h>
+#ifdef __cpp_impl_coroutine
+#include <drogon/orm/CoroMapper.h>
+#endif
+#include <trantor/utils/Date.h>
+#include <trantor/utils/Logger.h>
+#include <json/json.h>
+#include <string>
+#include <memory>
+#include <vector>
+#include <tuple>
+#include <stdint.h>
+#include <iostream>
+
+namespace drogon
+{
+namespace orm
+{
+class DbClient;
+using DbClientPtr = std::shared_ptr<DbClient>;
+}
+}
+namespace drogon_model
+{
+namespace sqlite3
+{
+
+class Inode
+{
+  public:
+    struct Cols
+    {
+        static const std::string _id;
+        static const std::string _is_file;
+        static const std::string _name;
+        static const std::string _parent_id;
+        static const std::string _owner_id;
+        static const std::string _size;
+    };
+
+    const static int primaryKeyNumber;
+    const static std::string tableName;
+    const static bool hasPrimaryKey;
+    const static std::string primaryKeyName;
+    using PrimaryKeyType = uint64_t;
+    const PrimaryKeyType &getPrimaryKey() const;
+
+    /**
+     * @brief constructor
+     * @param r One row of records in the SQL query result.
+     * @param indexOffset Set the offset to -1 to access all columns by column names,
+     * otherwise access all columns by offsets.
+     * @note If the SQL is not a style of 'select * from table_name ...' (select all
+     * columns by an asterisk), please set the offset to -1.
+     */
+    explicit Inode(const drogon::orm::Row &r, const ssize_t indexOffset = 0) noexcept;
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     */
+    explicit Inode(const Json::Value &pJson) noexcept(false);
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     * @param pMasqueradingVector The aliases of table columns.
+     */
+    Inode(const Json::Value &pJson, const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+
+    Inode() = default;
+
+    void updateByJson(const Json::Value &pJson) noexcept(false);
+    void updateByMasqueradedJson(const Json::Value &pJson,
+                                 const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+    static bool validateJsonForCreation(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForCreation(const Json::Value &,
+                                                const std::vector<std::string> &pMasqueradingVector,
+                                                    std::string &err);
+    static bool validateJsonForUpdate(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForUpdate(const Json::Value &,
+                                          const std::vector<std::string> &pMasqueradingVector,
+                                          std::string &err);
+    static bool validJsonOfField(size_t index,
+                          const std::string &fieldName,
+                          const Json::Value &pJson,
+                          std::string &err,
+                          bool isForCreation);
+
+    /**  For column id  */
+    ///Get the value of the column id, returns the default value if the column is null
+    const uint64_t &getValueOfId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getId() const noexcept;
+    ///Set the value of the column id
+    void setId(const uint64_t &pId) noexcept;
+
+    /**  For column is_file  */
+    ///Get the value of the column is_file, returns the default value if the column is null
+    const uint64_t &getValueOfIsFile() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getIsFile() const noexcept;
+    ///Set the value of the column is_file
+    void setIsFile(const uint64_t &pIsFile) noexcept;
+
+    /**  For column name  */
+    ///Get the value of the column name, returns the default value if the column is null
+    const std::string &getValueOfName() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::string> &getName() const noexcept;
+    ///Set the value of the column name
+    void setName(const std::string &pName) noexcept;
+    void setName(std::string &&pName) noexcept;
+    void setNameToNull() noexcept;
+
+    /**  For column parent_id  */
+    ///Get the value of the column parent_id, returns the default value if the column is null
+    const uint64_t &getValueOfParentId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getParentId() const noexcept;
+    ///Set the value of the column parent_id
+    void setParentId(const uint64_t &pParentId) noexcept;
+    void setParentIdToNull() noexcept;
+
+    /**  For column owner_id  */
+    ///Get the value of the column owner_id, returns the default value if the column is null
+    const uint64_t &getValueOfOwnerId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getOwnerId() const noexcept;
+    ///Set the value of the column owner_id
+    void setOwnerId(const uint64_t &pOwnerId) noexcept;
+
+    /**  For column size  */
+    ///Get the value of the column size, returns the default value if the column is null
+    const uint64_t &getValueOfSize() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getSize() const noexcept;
+    ///Set the value of the column size
+    void setSize(const uint64_t &pSize) noexcept;
+    void setSizeToNull() noexcept;
+
+
+    static size_t getColumnNumber() noexcept {  return 6;  }
+    static const std::string &getColumnName(size_t index) noexcept(false);
+
+    Json::Value toJson() const;
+    Json::Value toMasqueradedJson(const std::vector<std::string> &pMasqueradingVector) const;
+    /// Relationship interfaces
+  private:
+    friend drogon::orm::Mapper<Inode>;
+#ifdef __cpp_impl_coroutine
+    friend drogon::orm::CoroMapper<Inode>;
+#endif
+    static const std::vector<std::string> &insertColumns() noexcept;
+    void outputArgs(drogon::orm::internal::SqlBinder &binder) const;
+    const std::vector<std::string> updateColumns() const;
+    void updateArgs(drogon::orm::internal::SqlBinder &binder) const;
+    ///For mysql or sqlite3
+    void updateId(const uint64_t id);
+    std::shared_ptr<uint64_t> id_;
+    std::shared_ptr<uint64_t> isFile_;
+    std::shared_ptr<std::string> name_;
+    std::shared_ptr<uint64_t> parentId_;
+    std::shared_ptr<uint64_t> ownerId_;
+    std::shared_ptr<uint64_t> size_;
+    struct MetaData
+    {
+        const std::string colName_;
+        const std::string colType_;
+        const std::string colDatabaseType_;
+        const ssize_t colLength_;
+        const bool isAutoVal_;
+        const bool isPrimaryKey_;
+        const bool notNull_;
+    };
+    static const std::vector<MetaData> metaData_;
+    bool dirtyFlag_[6]={ false };
+  public:
+    static const std::string &sqlForFindingByPrimaryKey()
+    {
+        static const std::string sql="select * from " + tableName + " where id = ?";
+        return sql;
+    }
+
+    static const std::string &sqlForDeletingByPrimaryKey()
+    {
+        static const std::string sql="delete from " + tableName + " where id = ?";
+        return sql;
+    }
+    std::string sqlForInserting(bool &needSelection) const
+    {
+        std::string sql="insert into " + tableName + " (";
+        size_t parametersCount = 0;
+        needSelection = false;
+        if(dirtyFlag_[1])
+        {
+            sql += "is_file,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[2])
+        {
+            sql += "name,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[3])
+        {
+            sql += "parent_id,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[4])
+        {
+            sql += "owner_id,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[5])
+        {
+            sql += "size,";
+            ++parametersCount;
+        }
+        if(parametersCount > 0)
+        {
+            sql[sql.length()-1]=')';
+            sql += " values (";
+        }
+        else
+            sql += ") values (";
+
+        if(dirtyFlag_[1])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[2])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[3])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[4])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[5])
+        {
+            sql.append("?,");
+
+        }
+        if(parametersCount > 0)
+        {
+            sql.resize(sql.length() - 1);
+        }
+        sql.append(1, ')');
+        LOG_TRACE << sql;
+        return sql;
+    }
+};
+} // namespace sqlite3
+} // namespace drogon_model

backend/src/db/model/Tokens.cc

@@ -0,0 +1,631 @@
+/**
+ *
+ *  Tokens.cc
+ *  DO NOT EDIT. This file is generated by drogon_ctl
+ *
+ */
+
+#include "Tokens.h"
+#include <drogon/utils/Utilities.h>
+#include <string>
+
+using namespace drogon;
+using namespace drogon::orm;
+using namespace drogon_model::sqlite3;
+
+const std::string Tokens::Cols::_id = "id";
+const std::string Tokens::Cols::_owner_id = "owner_id";
+const std::string Tokens::Cols::_exp = "exp";
+const std::string Tokens::primaryKeyName = "id";
+const bool Tokens::hasPrimaryKey = true;
+const std::string Tokens::tableName = "tokens";
+
+const std::vector<typename Tokens::MetaData> Tokens::metaData_={
+{"id","uint64_t","integer",8,1,1,1},
+{"owner_id","uint64_t","integer",8,0,0,1},
+{"exp","uint64_t","integer",8,0,0,1}
+};
+const std::string &Tokens::getColumnName(size_t index) noexcept(false)
+{
+    assert(index < metaData_.size());
+    return metaData_[index].colName_;
+}
+Tokens::Tokens(const Row &r, const ssize_t indexOffset) noexcept
+{
+    if(indexOffset < 0)
+    {
+        if(!r["id"].isNull())
+        {
+            id_=std::make_shared<uint64_t>(r["id"].as<uint64_t>());
+        }
+        if(!r["owner_id"].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>(r["owner_id"].as<uint64_t>());
+        }
+        if(!r["exp"].isNull())
+        {
+            exp_=std::make_shared<uint64_t>(r["exp"].as<uint64_t>());
+        }
+    }
+    else
+    {
+        size_t offset = (size_t)indexOffset;
+        if(offset + 3 > r.size())
+        {
+            LOG_FATAL << "Invalid SQL result for this model";
+            return;
+        }
+        size_t index;
+        index = offset + 0;
+        if(!r[index].isNull())
+        {
+            id_=std::make_shared<uint64_t>(r[index].as<uint64_t>());
+        }
+        index = offset + 1;
+        if(!r[index].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>(r[index].as<uint64_t>());
+        }
+        index = offset + 2;
+        if(!r[index].isNull())
+        {
+            exp_=std::make_shared<uint64_t>(r[index].as<uint64_t>());
+        }
+    }
+
+}
+
+Tokens::Tokens(const Json::Value &pJson, const std::vector<std::string> &pMasqueradingVector) noexcept(false)
+{
+    if(pMasqueradingVector.size() != 3)
+    {
+        LOG_ERROR << "Bad masquerading vector";
+        return;
+    }
+    if(!pMasqueradingVector[0].empty() && pJson.isMember(pMasqueradingVector[0]))
+    {
+        dirtyFlag_[0] = true;
+        if(!pJson[pMasqueradingVector[0]].isNull())
+        {
+            id_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[0]].asUInt64());
+        }
+    }
+    if(!pMasqueradingVector[1].empty() && pJson.isMember(pMasqueradingVector[1]))
+    {
+        dirtyFlag_[1] = true;
+        if(!pJson[pMasqueradingVector[1]].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[1]].asUInt64());
+        }
+    }
+    if(!pMasqueradingVector[2].empty() && pJson.isMember(pMasqueradingVector[2]))
+    {
+        dirtyFlag_[2] = true;
+        if(!pJson[pMasqueradingVector[2]].isNull())
+        {
+            exp_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[2]].asUInt64());
+        }
+    }
+}
+
+Tokens::Tokens(const Json::Value &pJson) noexcept(false)
+{
+    if(pJson.isMember("id"))
+    {
+        dirtyFlag_[0]=true;
+        if(!pJson["id"].isNull())
+        {
+            id_=std::make_shared<uint64_t>((uint64_t)pJson["id"].asUInt64());
+        }
+    }
+    if(pJson.isMember("owner_id"))
+    {
+        dirtyFlag_[1]=true;
+        if(!pJson["owner_id"].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>((uint64_t)pJson["owner_id"].asUInt64());
+        }
+    }
+    if(pJson.isMember("exp"))
+    {
+        dirtyFlag_[2]=true;
+        if(!pJson["exp"].isNull())
+        {
+            exp_=std::make_shared<uint64_t>((uint64_t)pJson["exp"].asUInt64());
+        }
+    }
+}
+
+void Tokens::updateByMasqueradedJson(const Json::Value &pJson,
+                                            const std::vector<std::string> &pMasqueradingVector) noexcept(false)
+{
+    if(pMasqueradingVector.size() != 3)
+    {
+        LOG_ERROR << "Bad masquerading vector";
+        return;
+    }
+    if(!pMasqueradingVector[0].empty() && pJson.isMember(pMasqueradingVector[0]))
+    {
+        if(!pJson[pMasqueradingVector[0]].isNull())
+        {
+            id_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[0]].asUInt64());
+        }
+    }
+    if(!pMasqueradingVector[1].empty() && pJson.isMember(pMasqueradingVector[1]))
+    {
+        dirtyFlag_[1] = true;
+        if(!pJson[pMasqueradingVector[1]].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[1]].asUInt64());
+        }
+    }
+    if(!pMasqueradingVector[2].empty() && pJson.isMember(pMasqueradingVector[2]))
+    {
+        dirtyFlag_[2] = true;
+        if(!pJson[pMasqueradingVector[2]].isNull())
+        {
+            exp_=std::make_shared<uint64_t>((uint64_t)pJson[pMasqueradingVector[2]].asUInt64());
+        }
+    }
+}
+
+void Tokens::updateByJson(const Json::Value &pJson) noexcept(false)
+{
+    if(pJson.isMember("id"))
+    {
+        if(!pJson["id"].isNull())
+        {
+            id_=std::make_shared<uint64_t>((uint64_t)pJson["id"].asUInt64());
+        }
+    }
+    if(pJson.isMember("owner_id"))
+    {
+        dirtyFlag_[1] = true;
+        if(!pJson["owner_id"].isNull())
+        {
+            ownerId_=std::make_shared<uint64_t>((uint64_t)pJson["owner_id"].asUInt64());
+        }
+    }
+    if(pJson.isMember("exp"))
+    {
+        dirtyFlag_[2] = true;
+        if(!pJson["exp"].isNull())
+        {
+            exp_=std::make_shared<uint64_t>((uint64_t)pJson["exp"].asUInt64());
+        }
+    }
+}
+
+const uint64_t &Tokens::getValueOfId() const noexcept
+{
+    const static uint64_t defaultValue = uint64_t();
+    if(id_)
+        return *id_;
+    return defaultValue;
+}
+const std::shared_ptr<uint64_t> &Tokens::getId() const noexcept
+{
+    return id_;
+}
+void Tokens::setId(const uint64_t &pId) noexcept
+{
+    id_ = std::make_shared<uint64_t>(pId);
+    dirtyFlag_[0] = true;
+}
+const typename Tokens::PrimaryKeyType & Tokens::getPrimaryKey() const
+{
+    assert(id_);
+    return *id_;
+}
+
+const uint64_t &Tokens::getValueOfOwnerId() const noexcept
+{
+    const static uint64_t defaultValue = uint64_t();
+    if(ownerId_)
+        return *ownerId_;
+    return defaultValue;
+}
+const std::shared_ptr<uint64_t> &Tokens::getOwnerId() const noexcept
+{
+    return ownerId_;
+}
+void Tokens::setOwnerId(const uint64_t &pOwnerId) noexcept
+{
+    ownerId_ = std::make_shared<uint64_t>(pOwnerId);
+    dirtyFlag_[1] = true;
+}
+
+const uint64_t &Tokens::getValueOfExp() const noexcept
+{
+    const static uint64_t defaultValue = uint64_t();
+    if(exp_)
+        return *exp_;
+    return defaultValue;
+}
+const std::shared_ptr<uint64_t> &Tokens::getExp() const noexcept
+{
+    return exp_;
+}
+void Tokens::setExp(const uint64_t &pExp) noexcept
+{
+    exp_ = std::make_shared<uint64_t>(pExp);
+    dirtyFlag_[2] = true;
+}
+
+void Tokens::updateId(const uint64_t id)
+{
+    id_ = std::make_shared<uint64_t>(id);
+}
+
+const std::vector<std::string> &Tokens::insertColumns() noexcept
+{
+    static const std::vector<std::string> inCols={
+        "owner_id",
+        "exp"
+    };
+    return inCols;
+}
+
+void Tokens::outputArgs(drogon::orm::internal::SqlBinder &binder) const
+{
+    if(dirtyFlag_[1])
+    {
+        if(getOwnerId())
+        {
+            binder << getValueOfOwnerId();
+        }
+        else
+        {
+            binder << nullptr;
+        }
+    }
+    if(dirtyFlag_[2])
+    {
+        if(getExp())
+        {
+            binder << getValueOfExp();
+        }
+        else
+        {
+            binder << nullptr;
+        }
+    }
+}
+
+const std::vector<std::string> Tokens::updateColumns() const
+{
+    std::vector<std::string> ret;
+    if(dirtyFlag_[1])
+    {
+        ret.push_back(getColumnName(1));
+    }
+    if(dirtyFlag_[2])
+    {
+        ret.push_back(getColumnName(2));
+    }
+    return ret;
+}
+
+void Tokens::updateArgs(drogon::orm::internal::SqlBinder &binder) const
+{
+    if(dirtyFlag_[1])
+    {
+        if(getOwnerId())
+        {
+            binder << getValueOfOwnerId();
+        }
+        else
+        {
+            binder << nullptr;
+        }
+    }
+    if(dirtyFlag_[2])
+    {
+        if(getExp())
+        {
+            binder << getValueOfExp();
+        }
+        else
+        {
+            binder << nullptr;
+        }
+    }
+}
+Json::Value Tokens::toJson() const
+{
+    Json::Value ret;
+    if(getId())
+    {
+        ret["id"]=(Json::UInt64)getValueOfId();
+    }
+    else
+    {
+        ret["id"]=Json::Value();
+    }
+    if(getOwnerId())
+    {
+        ret["owner_id"]=(Json::UInt64)getValueOfOwnerId();
+    }
+    else
+    {
+        ret["owner_id"]=Json::Value();
+    }
+    if(getExp())
+    {
+        ret["exp"]=(Json::UInt64)getValueOfExp();
+    }
+    else
+    {
+        ret["exp"]=Json::Value();
+    }
+    return ret;
+}
+
+Json::Value Tokens::toMasqueradedJson(
+    const std::vector<std::string> &pMasqueradingVector) const
+{
+    Json::Value ret;
+    if(pMasqueradingVector.size() == 3)
+    {
+        if(!pMasqueradingVector[0].empty())
+        {
+            if(getId())
+            {
+                ret[pMasqueradingVector[0]]=(Json::UInt64)getValueOfId();
+            }
+            else
+            {
+                ret[pMasqueradingVector[0]]=Json::Value();
+            }
+        }
+        if(!pMasqueradingVector[1].empty())
+        {
+            if(getOwnerId())
+            {
+                ret[pMasqueradingVector[1]]=(Json::UInt64)getValueOfOwnerId();
+            }
+            else
+            {
+                ret[pMasqueradingVector[1]]=Json::Value();
+            }
+        }
+        if(!pMasqueradingVector[2].empty())
+        {
+            if(getExp())
+            {
+                ret[pMasqueradingVector[2]]=(Json::UInt64)getValueOfExp();
+            }
+            else
+            {
+                ret[pMasqueradingVector[2]]=Json::Value();
+            }
+        }
+        return ret;
+    }
+    LOG_ERROR << "Masquerade failed";
+    if(getId())
+    {
+        ret["id"]=(Json::UInt64)getValueOfId();
+    }
+    else
+    {
+        ret["id"]=Json::Value();
+    }
+    if(getOwnerId())
+    {
+        ret["owner_id"]=(Json::UInt64)getValueOfOwnerId();
+    }
+    else
+    {
+        ret["owner_id"]=Json::Value();
+    }
+    if(getExp())
+    {
+        ret["exp"]=(Json::UInt64)getValueOfExp();
+    }
+    else
+    {
+        ret["exp"]=Json::Value();
+    }
+    return ret;
+}
+
+bool Tokens::validateJsonForCreation(const Json::Value &pJson, std::string &err)
+{
+    if(pJson.isMember("id"))
+    {
+        if(!validJsonOfField(0, "id", pJson["id"], err, true))
+            return false;
+    }
+    if(pJson.isMember("owner_id"))
+    {
+        if(!validJsonOfField(1, "owner_id", pJson["owner_id"], err, true))
+            return false;
+    }
+    else
+    {
+        err="The owner_id column cannot be null";
+        return false;
+    }
+    if(pJson.isMember("exp"))
+    {
+        if(!validJsonOfField(2, "exp", pJson["exp"], err, true))
+            return false;
+    }
+    else
+    {
+        err="The exp column cannot be null";
+        return false;
+    }
+    return true;
+}
+bool Tokens::validateMasqueradedJsonForCreation(const Json::Value &pJson,
+                                                const std::vector<std::string> &pMasqueradingVector,
+                                                std::string &err)
+{
+    if(pMasqueradingVector.size() != 3)
+    {
+        err = "Bad masquerading vector";
+        return false;
+    }
+    try {
+      if(!pMasqueradingVector[0].empty())
+      {
+          if(pJson.isMember(pMasqueradingVector[0]))
+          {
+              if(!validJsonOfField(0, pMasqueradingVector[0], pJson[pMasqueradingVector[0]], err, true))
+                  return false;
+          }
+      }
+      if(!pMasqueradingVector[1].empty())
+      {
+          if(pJson.isMember(pMasqueradingVector[1]))
+          {
+              if(!validJsonOfField(1, pMasqueradingVector[1], pJson[pMasqueradingVector[1]], err, true))
+                  return false;
+          }
+        else
+        {
+            err="The " + pMasqueradingVector[1] + " column cannot be null";
+            return false;
+        }
+      }
+      if(!pMasqueradingVector[2].empty())
+      {
+          if(pJson.isMember(pMasqueradingVector[2]))
+          {
+              if(!validJsonOfField(2, pMasqueradingVector[2], pJson[pMasqueradingVector[2]], err, true))
+                  return false;
+          }
+        else
+        {
+            err="The " + pMasqueradingVector[2] + " column cannot be null";
+            return false;
+        }
+      }
+    }
+    catch(const Json::LogicError &e)
+    {
+      err = e.what();
+      return false;
+    }
+    return true;
+}
+bool Tokens::validateJsonForUpdate(const Json::Value &pJson, std::string &err)
+{
+    if(pJson.isMember("id"))
+    {
+        if(!validJsonOfField(0, "id", pJson["id"], err, false))
+            return false;
+    }
+    else
+    {
+        err = "The value of primary key must be set in the json object for update";
+        return false;
+    }
+    if(pJson.isMember("owner_id"))
+    {
+        if(!validJsonOfField(1, "owner_id", pJson["owner_id"], err, false))
+            return false;
+    }
+    if(pJson.isMember("exp"))
+    {
+        if(!validJsonOfField(2, "exp", pJson["exp"], err, false))
+            return false;
+    }
+    return true;
+}
+bool Tokens::validateMasqueradedJsonForUpdate(const Json::Value &pJson,
+                                              const std::vector<std::string> &pMasqueradingVector,
+                                              std::string &err)
+{
+    if(pMasqueradingVector.size() != 3)
+    {
+        err = "Bad masquerading vector";
+        return false;
+    }
+    try {
+      if(!pMasqueradingVector[0].empty() && pJson.isMember(pMasqueradingVector[0]))
+      {
+          if(!validJsonOfField(0, pMasqueradingVector[0], pJson[pMasqueradingVector[0]], err, false))
+              return false;
+      }
+    else
+    {
+        err = "The value of primary key must be set in the json object for update";
+        return false;
+    }
+      if(!pMasqueradingVector[1].empty() && pJson.isMember(pMasqueradingVector[1]))
+      {
+          if(!validJsonOfField(1, pMasqueradingVector[1], pJson[pMasqueradingVector[1]], err, false))
+              return false;
+      }
+      if(!pMasqueradingVector[2].empty() && pJson.isMember(pMasqueradingVector[2]))
+      {
+          if(!validJsonOfField(2, pMasqueradingVector[2], pJson[pMasqueradingVector[2]], err, false))
+              return false;
+      }
+    }
+    catch(const Json::LogicError &e)
+    {
+      err = e.what();
+      return false;
+    }
+    return true;
+}
+bool Tokens::validJsonOfField(size_t index,
+                              const std::string &fieldName,
+                              const Json::Value &pJson,
+                              std::string &err,
+                              bool isForCreation)
+{
+    switch(index)
+    {
+        case 0:
+            if(pJson.isNull())
+            {
+                err="The " + fieldName + " column cannot be null";
+                return false;
+            }
+            if(isForCreation)
+            {
+                err="The automatic primary key cannot be set";
+                return false;
+            }
+            if(!pJson.isUInt64())
+            {
+                err="Type error in the "+fieldName+" field";
+                return false;
+            }
+            break;
+        case 1:
+            if(pJson.isNull())
+            {
+                err="The " + fieldName + " column cannot be null";
+                return false;
+            }
+            if(!pJson.isUInt64())
+            {
+                err="Type error in the "+fieldName+" field";
+                return false;
+            }
+            break;
+        case 2:
+            if(pJson.isNull())
+            {
+                err="The " + fieldName + " column cannot be null";
+                return false;
+            }
+            if(!pJson.isUInt64())
+            {
+                err="Type error in the "+fieldName+" field";
+                return false;
+            }
+            break;
+        default:
+            err="Internal error in the server";
+            return false;
+            break;
+    }
+    return true;
+}

backend/src/db/model/Tokens.h

@@ -0,0 +1,211 @@
+/**
+ *
+ *  Tokens.h
+ *  DO NOT EDIT. This file is generated by drogon_ctl
+ *
+ */
+
+#pragma once
+#include <drogon/orm/Result.h>
+#include <drogon/orm/Row.h>
+#include <drogon/orm/Field.h>
+#include <drogon/orm/SqlBinder.h>
+#include <drogon/orm/Mapper.h>
+#ifdef __cpp_impl_coroutine
+#include <drogon/orm/CoroMapper.h>
+#endif
+#include <trantor/utils/Date.h>
+#include <trantor/utils/Logger.h>
+#include <json/json.h>
+#include <string>
+#include <memory>
+#include <vector>
+#include <tuple>
+#include <stdint.h>
+#include <iostream>
+
+namespace drogon
+{
+namespace orm
+{
+class DbClient;
+using DbClientPtr = std::shared_ptr<DbClient>;
+}
+}
+namespace drogon_model
+{
+namespace sqlite3
+{
+
+class Tokens
+{
+  public:
+    struct Cols
+    {
+        static const std::string _id;
+        static const std::string _owner_id;
+        static const std::string _exp;
+    };
+
+    const static int primaryKeyNumber;
+    const static std::string tableName;
+    const static bool hasPrimaryKey;
+    const static std::string primaryKeyName;
+    using PrimaryKeyType = uint64_t;
+    const PrimaryKeyType &getPrimaryKey() const;
+
+    /**
+     * @brief constructor
+     * @param r One row of records in the SQL query result.
+     * @param indexOffset Set the offset to -1 to access all columns by column names,
+     * otherwise access all columns by offsets.
+     * @note If the SQL is not a style of 'select * from table_name ...' (select all
+     * columns by an asterisk), please set the offset to -1.
+     */
+    explicit Tokens(const drogon::orm::Row &r, const ssize_t indexOffset = 0) noexcept;
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     */
+    explicit Tokens(const Json::Value &pJson) noexcept(false);
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     * @param pMasqueradingVector The aliases of table columns.
+     */
+    Tokens(const Json::Value &pJson, const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+
+    Tokens() = default;
+
+    void updateByJson(const Json::Value &pJson) noexcept(false);
+    void updateByMasqueradedJson(const Json::Value &pJson,
+                                 const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+    static bool validateJsonForCreation(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForCreation(const Json::Value &,
+                                                const std::vector<std::string> &pMasqueradingVector,
+                                                    std::string &err);
+    static bool validateJsonForUpdate(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForUpdate(const Json::Value &,
+                                          const std::vector<std::string> &pMasqueradingVector,
+                                          std::string &err);
+    static bool validJsonOfField(size_t index,
+                          const std::string &fieldName,
+                          const Json::Value &pJson,
+                          std::string &err,
+                          bool isForCreation);
+
+    /**  For column id  */
+    ///Get the value of the column id, returns the default value if the column is null
+    const uint64_t &getValueOfId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getId() const noexcept;
+    ///Set the value of the column id
+    void setId(const uint64_t &pId) noexcept;
+
+    /**  For column owner_id  */
+    ///Get the value of the column owner_id, returns the default value if the column is null
+    const uint64_t &getValueOfOwnerId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getOwnerId() const noexcept;
+    ///Set the value of the column owner_id
+    void setOwnerId(const uint64_t &pOwnerId) noexcept;
+
+    /**  For column exp  */
+    ///Get the value of the column exp, returns the default value if the column is null
+    const uint64_t &getValueOfExp() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getExp() const noexcept;
+    ///Set the value of the column exp
+    void setExp(const uint64_t &pExp) noexcept;
+
+
+    static size_t getColumnNumber() noexcept {  return 3;  }
+    static const std::string &getColumnName(size_t index) noexcept(false);
+
+    Json::Value toJson() const;
+    Json::Value toMasqueradedJson(const std::vector<std::string> &pMasqueradingVector) const;
+    /// Relationship interfaces
+  private:
+    friend drogon::orm::Mapper<Tokens>;
+#ifdef __cpp_impl_coroutine
+    friend drogon::orm::CoroMapper<Tokens>;
+#endif
+    static const std::vector<std::string> &insertColumns() noexcept;
+    void outputArgs(drogon::orm::internal::SqlBinder &binder) const;
+    const std::vector<std::string> updateColumns() const;
+    void updateArgs(drogon::orm::internal::SqlBinder &binder) const;
+    ///For mysql or sqlite3
+    void updateId(const uint64_t id);
+    std::shared_ptr<uint64_t> id_;
+    std::shared_ptr<uint64_t> ownerId_;
+    std::shared_ptr<uint64_t> exp_;
+    struct MetaData
+    {
+        const std::string colName_;
+        const std::string colType_;
+        const std::string colDatabaseType_;
+        const ssize_t colLength_;
+        const bool isAutoVal_;
+        const bool isPrimaryKey_;
+        const bool notNull_;
+    };
+    static const std::vector<MetaData> metaData_;
+    bool dirtyFlag_[3]={ false };
+  public:
+    static const std::string &sqlForFindingByPrimaryKey()
+    {
+        static const std::string sql="select * from " + tableName + " where id = ?";
+        return sql;
+    }
+
+    static const std::string &sqlForDeletingByPrimaryKey()
+    {
+        static const std::string sql="delete from " + tableName + " where id = ?";
+        return sql;
+    }
+    std::string sqlForInserting(bool &needSelection) const
+    {
+        std::string sql="insert into " + tableName + " (";
+        size_t parametersCount = 0;
+        needSelection = false;
+        if(dirtyFlag_[1])
+        {
+            sql += "owner_id,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[2])
+        {
+            sql += "exp,";
+            ++parametersCount;
+        }
+        if(parametersCount > 0)
+        {
+            sql[sql.length()-1]=')';
+            sql += " values (";
+        }
+        else
+            sql += ") values (";
+
+        if(dirtyFlag_[1])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[2])
+        {
+            sql.append("?,");
+
+        }
+        if(parametersCount > 0)
+        {
+            sql.resize(sql.length() - 1);
+        }
+        sql.append(1, ')');
+        LOG_TRACE << sql;
+        return sql;
+    }
+};
+} // namespace sqlite3
+} // namespace drogon_model

backend/src/db/model/User.h

@@ -0,0 +1,361 @@
+/**
+ *
+ *  User.h
+ *  DO NOT EDIT. This file is generated by drogon_ctl
+ *
+ */
+
+#pragma once
+#include <drogon/orm/Result.h>
+#include <drogon/orm/Row.h>
+#include <drogon/orm/Field.h>
+#include <drogon/orm/SqlBinder.h>
+#include <drogon/orm/Mapper.h>
+#ifdef __cpp_impl_coroutine
+#include <drogon/orm/CoroMapper.h>
+#endif
+#include <trantor/utils/Date.h>
+#include <trantor/utils/Logger.h>
+#include <json/json.h>
+#include <string>
+#include <memory>
+#include <vector>
+#include <tuple>
+#include <stdint.h>
+#include <iostream>
+
+namespace drogon
+{
+namespace orm
+{
+class DbClient;
+using DbClientPtr = std::shared_ptr<DbClient>;
+}
+}
+namespace drogon_model
+{
+namespace sqlite3
+{
+
+class User
+{
+  public:
+    struct Cols
+    {
+        static const std::string _id;
+        static const std::string _gitlab;
+        static const std::string _name;
+        static const std::string _password;
+        static const std::string _role;
+        static const std::string _root_id;
+        static const std::string _tfa_type;
+        static const std::string _tfa_secret;
+        static const std::string _gitlab_at;
+        static const std::string _gitlab_rt;
+    };
+
+    const static int primaryKeyNumber;
+    const static std::string tableName;
+    const static bool hasPrimaryKey;
+    const static std::string primaryKeyName;
+    using PrimaryKeyType = uint64_t;
+    const PrimaryKeyType &getPrimaryKey() const;
+
+    /**
+     * @brief constructor
+     * @param r One row of records in the SQL query result.
+     * @param indexOffset Set the offset to -1 to access all columns by column names,
+     * otherwise access all columns by offsets.
+     * @note If the SQL is not a style of 'select * from table_name ...' (select all
+     * columns by an asterisk), please set the offset to -1.
+     */
+    explicit User(const drogon::orm::Row &r, const ssize_t indexOffset = 0) noexcept;
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     */
+    explicit User(const Json::Value &pJson) noexcept(false);
+
+    /**
+     * @brief constructor
+     * @param pJson The json object to construct a new instance.
+     * @param pMasqueradingVector The aliases of table columns.
+     */
+    User(const Json::Value &pJson, const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+
+    User() = default;
+
+    void updateByJson(const Json::Value &pJson) noexcept(false);
+    void updateByMasqueradedJson(const Json::Value &pJson,
+                                 const std::vector<std::string> &pMasqueradingVector) noexcept(false);
+    static bool validateJsonForCreation(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForCreation(const Json::Value &,
+                                                const std::vector<std::string> &pMasqueradingVector,
+                                                    std::string &err);
+    static bool validateJsonForUpdate(const Json::Value &pJson, std::string &err);
+    static bool validateMasqueradedJsonForUpdate(const Json::Value &,
+                                          const std::vector<std::string> &pMasqueradingVector,
+                                          std::string &err);
+    static bool validJsonOfField(size_t index,
+                          const std::string &fieldName,
+                          const Json::Value &pJson,
+                          std::string &err,
+                          bool isForCreation);
+
+    /**  For column id  */
+    ///Get the value of the column id, returns the default value if the column is null
+    const uint64_t &getValueOfId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getId() const noexcept;
+    ///Set the value of the column id
+    void setId(const uint64_t &pId) noexcept;
+
+    /**  For column gitlab  */
+    ///Get the value of the column gitlab, returns the default value if the column is null
+    const uint64_t &getValueOfGitlab() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getGitlab() const noexcept;
+    ///Set the value of the column gitlab
+    void setGitlab(const uint64_t &pGitlab) noexcept;
+
+    /**  For column name  */
+    ///Get the value of the column name, returns the default value if the column is null
+    const std::string &getValueOfName() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::string> &getName() const noexcept;
+    ///Set the value of the column name
+    void setName(const std::string &pName) noexcept;
+    void setName(std::string &&pName) noexcept;
+
+    /**  For column password  */
+    ///Get the value of the column password, returns the default value if the column is null
+    const std::string &getValueOfPassword() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::string> &getPassword() const noexcept;
+    ///Set the value of the column password
+    void setPassword(const std::string &pPassword) noexcept;
+    void setPassword(std::string &&pPassword) noexcept;
+
+    /**  For column role  */
+    ///Get the value of the column role, returns the default value if the column is null
+    const uint64_t &getValueOfRole() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getRole() const noexcept;
+    ///Set the value of the column role
+    void setRole(const uint64_t &pRole) noexcept;
+
+    /**  For column root_id  */
+    ///Get the value of the column root_id, returns the default value if the column is null
+    const uint64_t &getValueOfRootId() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getRootId() const noexcept;
+    ///Set the value of the column root_id
+    void setRootId(const uint64_t &pRootId) noexcept;
+
+    /**  For column tfa_type  */
+    ///Get the value of the column tfa_type, returns the default value if the column is null
+    const uint64_t &getValueOfTfaType() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<uint64_t> &getTfaType() const noexcept;
+    ///Set the value of the column tfa_type
+    void setTfaType(const uint64_t &pTfaType) noexcept;
+
+    /**  For column tfa_secret  */
+    ///Get the value of the column tfa_secret, returns the default value if the column is null
+    const std::vector<char> &getValueOfTfaSecret() const noexcept;
+    ///Return the column value by std::string with binary data
+    std::string getValueOfTfaSecretAsString() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::vector<char>> &getTfaSecret() const noexcept;
+    ///Set the value of the column tfa_secret
+    void setTfaSecret(const std::vector<char> &pTfaSecret) noexcept;
+    void setTfaSecret(const std::string &pTfaSecret) noexcept;
+    void setTfaSecretToNull() noexcept;
+
+    /**  For column gitlab_at  */
+    ///Get the value of the column gitlab_at, returns the default value if the column is null
+    const std::string &getValueOfGitlabAt() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::string> &getGitlabAt() const noexcept;
+    ///Set the value of the column gitlab_at
+    void setGitlabAt(const std::string &pGitlabAt) noexcept;
+    void setGitlabAt(std::string &&pGitlabAt) noexcept;
+    void setGitlabAtToNull() noexcept;
+
+    /**  For column gitlab_rt  */
+    ///Get the value of the column gitlab_rt, returns the default value if the column is null
+    const std::string &getValueOfGitlabRt() const noexcept;
+    ///Return a shared_ptr object pointing to the column const value, or an empty shared_ptr object if the column is null
+    const std::shared_ptr<std::string> &getGitlabRt() const noexcept;
+    ///Set the value of the column gitlab_rt
+    void setGitlabRt(const std::string &pGitlabRt) noexcept;
+    void setGitlabRt(std::string &&pGitlabRt) noexcept;
+    void setGitlabRtToNull() noexcept;
+
+
+    static size_t getColumnNumber() noexcept {  return 10;  }
+    static const std::string &getColumnName(size_t index) noexcept(false);
+
+    Json::Value toJson() const;
+    Json::Value toMasqueradedJson(const std::vector<std::string> &pMasqueradingVector) const;
+    /// Relationship interfaces
+  private:
+    friend drogon::orm::Mapper<User>;
+#ifdef __cpp_impl_coroutine
+    friend drogon::orm::CoroMapper<User>;
+#endif
+    static const std::vector<std::string> &insertColumns() noexcept;
+    void outputArgs(drogon::orm::internal::SqlBinder &binder) const;
+    const std::vector<std::string> updateColumns() const;
+    void updateArgs(drogon::orm::internal::SqlBinder &binder) const;
+    ///For mysql or sqlite3
+    void updateId(const uint64_t id);
+    std::shared_ptr<uint64_t> id_;
+    std::shared_ptr<uint64_t> gitlab_;
+    std::shared_ptr<std::string> name_;
+    std::shared_ptr<std::string> password_;
+    std::shared_ptr<uint64_t> role_;
+    std::shared_ptr<uint64_t> rootId_;
+    std::shared_ptr<uint64_t> tfaType_;
+    std::shared_ptr<std::vector<char>> tfaSecret_;
+    std::shared_ptr<std::string> gitlabAt_;
+    std::shared_ptr<std::string> gitlabRt_;
+    struct MetaData
+    {
+        const std::string colName_;
+        const std::string colType_;
+        const std::string colDatabaseType_;
+        const ssize_t colLength_;
+        const bool isAutoVal_;
+        const bool isPrimaryKey_;
+        const bool notNull_;
+    };
+    static const std::vector<MetaData> metaData_;
+    bool dirtyFlag_[10]={ false };
+  public:
+    static const std::string &sqlForFindingByPrimaryKey()
+    {
+        static const std::string sql="select * from " + tableName + " where id = ?";
+        return sql;
+    }
+
+    static const std::string &sqlForDeletingByPrimaryKey()
+    {
+        static const std::string sql="delete from " + tableName + " where id = ?";
+        return sql;
+    }
+    std::string sqlForInserting(bool &needSelection) const
+    {
+        std::string sql="insert into " + tableName + " (";
+        size_t parametersCount = 0;
+        needSelection = false;
+        if(dirtyFlag_[1])
+        {
+            sql += "gitlab,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[2])
+        {
+            sql += "name,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[3])
+        {
+            sql += "password,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[4])
+        {
+            sql += "role,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[5])
+        {
+            sql += "root_id,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[6])
+        {
+            sql += "tfa_type,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[7])
+        {
+            sql += "tfa_secret,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[8])
+        {
+            sql += "gitlab_at,";
+            ++parametersCount;
+        }
+        if(dirtyFlag_[9])
+        {
+            sql += "gitlab_rt,";
+            ++parametersCount;
+        }
+        if(parametersCount > 0)
+        {
+            sql[sql.length()-1]=')';
+            sql += " values (";
+        }
+        else
+            sql += ") values (";
+
+        if(dirtyFlag_[1])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[2])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[3])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[4])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[5])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[6])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[7])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[8])
+        {
+            sql.append("?,");
+
+        }
+        if(dirtyFlag_[9])
+        {
+            sql.append("?,");
+
+        }
+        if(parametersCount > 0)
+        {
+            sql.resize(sql.length() - 1);
+        }
+        sql.append(1, ')');
+        LOG_TRACE << sql;
+        return sql;
+    }
+};
+} // namespace sqlite3
+} // namespace drogon_model

backend/src/db/model/model.json

@@ -0,0 +1,5 @@
+{
+  "rdbms":"sqlite3",
+  "filename":"run/sqlite.db",
+  "tables":[]
+}

backend/src/dto/dto.h

@@ -0,0 +1,56 @@
+#ifndef BACKEND_DTO_H
+#define BACKEND_DTO_H
+
+#include <drogon/HttpResponse.h>
+#include "db/db.h"
+
+namespace dto {
+    template<typename T>
+    std::optional<T> json_get(const Json::Value& j, const std::string& key) {
+        return j.isMember(key)
+            ? std::make_optional(j[key].as<T>())
+            : std::nullopt;
+    }
+
+    inline db::User get_user(const drogon::HttpRequestPtr& req) {
+        return req->attributes()->get<db::User>("user");
+    }
+
+    inline db::Token get_token(const drogon::HttpRequestPtr& req) {
+        return req->attributes()->get<db::Token>("token");
+    }
+
+    namespace Responses {
+        struct GetUsersEntry {
+            GetUsersEntry(int id, bool gitlab, bool tfa, std::string name, db::UserRole role)
+                : id(id), gitlab(gitlab), tfa(tfa), name(std::move(name)), role(role) {}
+            int id;
+            bool gitlab, tfa;
+            std::string name;
+            db::UserRole role;
+        };
+
+        drogon::HttpResponsePtr get_error_res(drogon::HttpStatusCode, const std::string &msg);
+        drogon::HttpResponsePtr get_success_res();
+        drogon::HttpResponsePtr get_success_res(Json::Value &);
+
+        inline drogon::HttpResponsePtr get_badreq_res(const std::string &msg) { return get_error_res(drogon::HttpStatusCode::k400BadRequest, msg); }
+        inline drogon::HttpResponsePtr get_unauth_res(const std::string &msg) { return get_error_res(drogon::HttpStatusCode::k401Unauthorized, msg); }
+        inline drogon::HttpResponsePtr get_forbdn_res(const std::string &msg) { return get_error_res(drogon::HttpStatusCode::k403Forbidden, msg); }
+
+        drogon::HttpResponsePtr get_login_res(const std::string &jwt);
+        drogon::HttpResponsePtr get_tfa_setup_res(const std::string& secret, const std::string& qrcode);
+
+        drogon::HttpResponsePtr get_user_info_res(const std::string& name, bool gitlab, bool tfa);
+
+        drogon::HttpResponsePtr get_admin_users_res(const std::vector<GetUsersEntry>& users);
+
+        drogon::HttpResponsePtr get_root_res(uint64_t root);
+        drogon::HttpResponsePtr get_node_folder_res(uint64_t id, const std::string& name, const std::shared_ptr<uint64_t>& parent, const std::vector<uint64_t>& children);
+        drogon::HttpResponsePtr get_node_file_res(uint64_t id, const std::string& name, const std::shared_ptr<uint64_t>& parent, uint64_t size);
+        drogon::HttpResponsePtr get_path_res(const std::string& path);
+        drogon::HttpResponsePtr get_new_node_res(uint64_t id);
+    }
+}
+
+#endif //BACKEND_DTO_H

backend/src/dto/responses.cpp

@@ -0,0 +1,98 @@
+#include "dto.h"
+
+namespace dto::Responses {
+    drogon::HttpResponsePtr get_error_res(drogon::HttpStatusCode code, const std::string& msg) {
+        Json::Value json;
+        json["statusCode"] = static_cast<int>(code);
+        json["message"] = msg;
+        auto res = drogon::HttpResponse::newHttpJsonResponse(json);
+        res->setStatusCode(code);
+        return res;
+    }
+
+    drogon::HttpResponsePtr get_success_res() {
+        Json::Value json;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_success_res(Json::Value& json) {
+        json["statusCode"] = 200;
+        auto res = drogon::HttpResponse::newHttpJsonResponse(json);
+        res->setStatusCode(drogon::HttpStatusCode::k200OK);
+        return res;
+    }
+
+    drogon::HttpResponsePtr get_login_res(const std::string &jwt) {
+        Json::Value json;
+        json["jwt"] = jwt;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_tfa_setup_res(const std::string& secret, const std::string& qrcode) {
+        Json::Value json;
+        json["secret"] = secret;
+        json["qrCode"] = qrcode;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_user_info_res(const std::string &name, bool gitlab, bool tfa) {
+        Json::Value json;
+        json["name"] = name;
+        json["gitlab"] = gitlab;
+        json["tfaEnabled"] = tfa;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_admin_users_res(const std::vector<GetUsersEntry>& users) {
+        Json::Value json;
+        for (const GetUsersEntry& user : users) {
+            Json::Value entry;
+            entry["id"] = user.id;
+            entry["gitlab"] = user.gitlab;
+            entry["name"] = user.name;
+            entry["role"] = user.role;
+            entry["tfaEnabled"] = user.tfa;
+            json["users"].append(entry);
+        }
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_root_res(uint64_t root) {
+        Json::Value json;
+        json["rootId"] = root;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_node_folder_res(uint64_t id, const std::string &name, const std::shared_ptr<uint64_t> &parent, const std::vector<uint64_t> &children) {
+        Json::Value json;
+        json["id"] = id;
+        json["name"] = name;
+        json["isFile"] = false;
+        json["parent"] = (parent != nullptr) ? *parent : Json::Value::nullSingleton();
+        for (uint64_t child : children)
+            json["children"].append(child);
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_node_file_res(uint64_t id, const std::string &name, const std::shared_ptr<uint64_t> &parent, uint64_t size) {
+        Json::Value json;
+        json["id"] = id;
+        json["name"] = name;
+        json["isFile"] = true;
+        json["parent"] = (parent != nullptr) ? *parent : Json::Value::nullSingleton();
+        json["size"] = size;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_path_res(const std::string& path) {
+        Json::Value json;
+        json["path"] = path;
+        return get_success_res(json);
+    }
+
+    drogon::HttpResponsePtr get_new_node_res(uint64_t id) {
+        Json::Value json;
+        json["id"] = id;
+        return get_success_res(json);
+    }
+}

backend/src/filters/filters.cpp

@@ -0,0 +1,82 @@
+#include "filters.h"
+
+#include <drogon/utils/coroutine.h>
+#include <jwt-cpp/traits/kazuho-picojson/traits.h>
+#include <jwt-cpp/jwt.h>
+#include "db/db.h"
+#include "dto/dto.h"
+#include "controllers/controllers.h"
+
+void cleanup_tokens(db::MapperToken& mapper) {
+    const uint64_t now = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+    mapper.deleteBy(
+            db::Criteria(db::Token::Cols::_exp, db::CompareOps::LE, now)
+    );
+}
+
+void Login::doFilter(const drogon::HttpRequestPtr& req, drogon::FilterCallback&& cb, drogon::FilterChainCallback&& ccb) {
+    std::string token_str;
+    if (req->path() == "/api/fs/download") {
+        token_str = req->getParameter("jwtToken");
+    } else {
+        std::string auth_header = req->getHeader("Authorization");
+        if (auth_header.empty() || (!auth_header.starts_with("Bearer ")))
+            return cb(dto::Responses::get_unauth_res("Unauthorized"));
+        token_str = auth_header.substr(7);
+    }
+    try {
+        auto token = jwt::decode<jwt::traits::kazuho_picojson>(token_str);
+        jwt::verify<jwt::traits::kazuho_picojson>()
+                .allow_algorithm(jwt::algorithm::hs256{jwt_secret})
+                .verify(token);
+        uint64_t token_id = token.get_payload_claim("jti").as_int();
+        uint64_t user_id = token.get_payload_claim("sub").as_int();
+
+        auto db = drogon::app().getDbClient();
+
+        db::MapperUser user_mapper(db);
+        db::MapperToken token_mapper(db);
+
+        cleanup_tokens(token_mapper);
+
+        db::Token db_token = token_mapper.findByPrimaryKey(token_id);
+        db::User db_user = user_mapper.findByPrimaryKey(db_token.getValueOfOwnerId());
+
+        if (db_user.getValueOfId() != user_id) throw std::exception();
+        if (db::User_getEnumRole(db_user) == db::UserRole::DISABLED) throw std::exception();
+
+        if (db_user.getValueOfGitlab() != 0) {
+            auto info = api::auth::get_gitlab_user(db_user.getValueOfGitlabAt());
+            if (!info.has_value()) {
+                auto tokens = api::auth::get_gitlab_tokens(req, db_user.getValueOfGitlabRt(), true);
+                info = api::auth::get_gitlab_user(tokens->at);
+                if (!tokens.has_value() || !info.has_value()) {
+                    api::auth::revoke_all(db_user);
+                    throw std::exception();
+                }
+                db_user.setGitlabAt(tokens->at);
+                db_user.setGitlabRt(tokens->rt);
+                user_mapper.update(db_user);
+            }
+            if (info->name != db_user.getValueOfName()) {
+                api::auth::revoke_all(db_user);
+                throw std::exception();
+            }
+        }
+
+        req->attributes()->insert("token", db_token);
+        req->attributes()->insert("user", db_user);
+        ccb();
+    } catch (const std::exception&) {
+        cb(dto::Responses::get_unauth_res("Unauthorized"));
+    }
+}
+
+void Admin::doFilter(const drogon::HttpRequestPtr& req, drogon::FilterCallback&& cb, drogon::FilterChainCallback&& ccb) {
+    db::User user = dto::get_user(req);
+
+    if (db::User_getEnumRole(user) != db::UserRole::ADMIN)
+        cb(dto::Responses::get_forbdn_res("Forbidden"));
+    else
+        ccb();
+}

backend/src/filters/filters.h

@@ -0,0 +1,14 @@
+#ifndef BACKEND_FILTERS_H
+#define BACKEND_FILTERS_H
+
+#include <drogon/HttpFilter.h>
+
+struct Login : public drogon::HttpFilter<Login> {
+    void doFilter(const drogon::HttpRequestPtr&, drogon::FilterCallback&&, drogon::FilterChainCallback&&) override;
+};
+
+struct Admin : public drogon::HttpFilter<Admin> {
+    void doFilter(const drogon::HttpRequestPtr&, drogon::FilterCallback&&, drogon::FilterChainCallback&&) override;
+};
+
+#endif //BACKEND_FILTERS_H

backend/src/main.cpp

@@ -0,0 +1,112 @@
+#include <filesystem>
+
+#include <drogon/drogon.h>
+#include <curl/curl.h>
+
+#include "dto/dto.h"
+
+void cleanup() {
+    std::cout << "Stopping..." << std::endl;
+    drogon::app().quit();
+    std::cout << "Cleanup up uploads...";
+    std::filesystem::remove_all("uploads");
+    std::cout << " [Done]" << std::endl;
+    std::cout << "Goodbye!" << std::endl;
+}
+
+int main() {
+    std::cout << "Setting up..." << std::endl;
+    std::cout << "Initializing curl..." << std::flush;
+    curl_global_init(CURL_GLOBAL_ALL);
+    std::cout << " [Done]" << std::endl;
+    if (!std::filesystem::exists("files")) {
+        std::cout << "Creating files..." << std::flush;
+        std::filesystem::create_directory("files");
+        std::cout << " [Done]" << std::endl;
+    }
+    if (!std::filesystem::exists("logs")) {
+        std::cout << "Creating logs..." << std::flush;
+        std::filesystem::create_directory("logs");
+        std::cout << " [Done]" << std::endl;
+    }
+
+    auto* loop = drogon::app().getLoop();
+    loop->queueInLoop([]{
+        std::cout << "Starting..." << std::endl;
+        std::cout << "Creating db tables..." << std::flush;
+        auto db = drogon::app().getDbClient();
+        db->execSqlSync("CREATE TABLE IF NOT EXISTS 'tokens' (\n"
+                        "  'id' INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,\n"
+                        "  'owner_id' INTEGER NOT NULL,\n"
+                        "  'exp' INTEGER NOT NULL\n"
+                        ")");
+        db->execSqlSync("CREATE TABLE IF NOT EXISTS 'user' (\n"
+                        "  'id' INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,\n"
+                        "  'gitlab' INTEGER NOT NULL,\n"
+                        "  'name' TEXT NOT NULL,\n"
+                        "  'password' TEXT NOT NULL,\n"
+                        "  'role' INTEGER NOT NULL,\n"
+                        "  'root_id' INTEGER NOT NULL,\n"
+                        "  'tfa_type' INTEGER NOT NULL,\n"
+                        "  'tfa_secret' BLOB,\n"
+                        "  'gitlab_at' TEXT,\n"
+                        "  'gitlab_rt' TEXT\n"
+                        ")");
+        db->execSqlSync("CREATE TABLE IF NOT EXISTS 'inode' (\n"
+                        "  'id' INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,\n"
+                        "  'is_file' INTEGER NOT NULL,\n"
+                        "  'name' TEXT,\n"
+                        "  'parent_id' INTEGER,\n"
+                        "  'owner_id' INTEGER NOT NULL,\n"
+                        "  'size' INTEGER\n"
+                        ")");
+        std::cout << " [Done]" << std::endl;
+        std::cout << "Started!" << std::endl;
+        std::cout << "Registered paths: " << std::endl;
+        auto handlers = drogon::app().getHandlersInfo();
+        for (const auto& handler : handlers) {
+            std::cout << "  ";
+            if (std::get<1>(handler) == drogon::HttpMethod::Post) std::cout << "POST ";
+            else std::cout << "GET  ";
+            std::string func = std::get<2>(handler).substr(16);
+            func.resize(30, ' ');
+            std::cout << '[' << func << "] ";
+            std::cout << std::get<0>(handler) << std::endl;
+        }
+        std::cout << "Listening on:" << std::endl;
+        auto listeners = drogon::app().getListeners();
+        for (const auto& listener : listeners) {
+            std::cout << "  " << listener.toIpPort() << std::endl;
+        }
+    });
+
+    Json::Value access_logger;
+    access_logger["name"] = "drogon::plugin::AccessLogger";
+
+    Json::Value config;
+    config["plugins"].append(access_logger);
+
+    drogon::app()
+            .setClientMaxBodySize(1024L * 1024L * 1024L * 1024L) // 1 TB
+
+            .loadConfigJson(config)
+
+            .createDbClient("sqlite3", "", 0, "", "", "", 1, "sqlite.db")
+
+            .setCustom404Page(drogon::HttpResponse::newFileResponse("./static/index.html"), false)
+            .setDocumentRoot("./static")
+            .setBrStatic(true)
+            .setStaticFilesCacheTime(0)
+
+            .setLogPath("./logs")
+            .setLogLevel(trantor::Logger::LogLevel::kDebug)
+
+            .setIntSignalHandler(cleanup)
+            .setTermSignalHandler(cleanup)
+
+            .addListener("0.0.0.0", 1234)
+            .setThreadNum(2);
+    std::cout << "Setup done!" << std::endl;
+
+    drogon::app().run();
+}

backend/vcpkg.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://raw.githubusercontent.com/microsoft/vcpkg/master/scripts/vcpkg.schema.json",
+  "name": "backend",
+  "version-string": "1.0.0",
+  "dependencies": [
+    {
+      "name": "drogon",
+      "features": ["orm", "sqlite3"]
+    },
+    "jwt-cpp",
+    "botan",
+    "curl",
+    "pngpp",
+    "nayuki-qr-code-generator",
+    "libpng"
+  ]
+}

dto/index.ts

@@ -1,8 +0,0 @@
-export * as Requests from './requests';
-export * as Responses from './responses';
-export {
-	UserRole,
-	validateSync,
-	validateAsync,
-	validateAsyncInline
-} from './utils';

dto/requests/admin.ts

@@ -1,17 +0,0 @@
-import { BaseRequest } from './base';
-import { IsEnum, IsNumber } from 'class-validator';
-import { UserRole } from '../utils';
-
-class AdminRequest extends BaseRequest {
-	@IsNumber()
-	user: number;
-}
-
-export class SetUserRole extends AdminRequest {
-	@IsEnum(UserRole)
-	role: UserRole;
-}
-
-export class LogoutAll extends AdminRequest {}
-export class DeleteUser extends AdminRequest {}
-export class DisableTfa extends AdminRequest {}

dto/requests/auth.ts

@@ -1,50 +0,0 @@
-import { BaseRequest } from './base';
-import {
-	IsBoolean,
-	IsEmail,
-	IsNotEmpty,
-	IsOptional,
-	IsString
-} from 'class-validator';
-
-export class SignUpRequest extends BaseRequest {
-	@IsEmail()
-	username: string;
-
-	@IsNotEmpty()
-	@IsString()
-	password: string;
-}
-
-export class LoginRequest extends SignUpRequest {
-	@IsOptional()
-	@IsNotEmpty()
-	@IsString()
-	otp?: string;
-}
-
-export class TfaSetup extends BaseRequest {
-	@IsNotEmpty()
-	@IsBoolean()
-	mail: boolean;
-}
-
-export class TfaComplete extends BaseRequest {
-	@IsNotEmpty()
-	@IsBoolean()
-	mail: boolean;
-
-	@IsNotEmpty()
-	@IsString()
-	code: string;
-}
-
-export class ChangePasswordRequest extends BaseRequest {
-	@IsNotEmpty()
-	@IsString()
-	oldPassword: string;
-
-	@IsNotEmpty()
-	@IsString()
-	newPassword: string;
-}

dto/requests/fs.ts

@@ -1,20 +0,0 @@
-import { BaseRequest } from './base';
-import { IsInt, IsNotEmpty, IsString, Min } from 'class-validator';
-
-export class CreateFolderRequest extends BaseRequest {
-	@IsInt()
-	@Min(1)
-	parent: number;
-
-	@IsNotEmpty()
-	@IsString()
-	name: string;
-}
-
-export class DeleteRequest extends BaseRequest {
-	@IsInt()
-	@Min(1)
-	node: number;
-}
-
-export class CreateFileRequest extends CreateFolderRequest {}

dto/requests/index.ts

@@ -1,4 +0,0 @@
-export * from './base';
-export * as Auth from './auth';
-export * as FS from './fs';
-export * as Admin from './admin';

dto/responses/admin.ts

@@ -1,61 +0,0 @@
-import { SuccessResponse } from './base';
-import {
-	IsArray,
-	IsBoolean,
-	IsEnum,
-	IsNotEmpty,
-	IsNumber,
-	IsString,
-	ValidateNested
-} from 'class-validator';
-import { UserRole, ValidateConstructor } from '../utils';
-
-@ValidateConstructor
-export class GetUsersEntry {
-	constructor(
-		id: number,
-		gitlab: boolean,
-		name: string,
-		role: UserRole,
-		tfaEnabled: boolean
-	) {
-		this.id = id;
-		this.gitlab = gitlab;
-		this.name = name;
-		this.role = role;
-		this.tfaEnabled = tfaEnabled;
-	}
-
-	@IsNumber()
-	id: number;
-
-	@IsBoolean()
-	gitlab: boolean;
-
-	@IsString()
-	@IsNotEmpty()
-	name: string;
-
-	@IsEnum(UserRole)
-	role: UserRole;
-
-	@IsBoolean()
-	tfaEnabled: boolean;
-}
-
-@ValidateConstructor
-export class GetUsers extends SuccessResponse {
-	constructor(users: GetUsersEntry[]) {
-		super();
-		this.users = users;
-	}
-
-	@IsArray()
-	@ValidateNested({ each: true })
-	users: GetUsersEntry[];
-}
-
-export class LogoutAllUser extends SuccessResponse {}
-export class DeleteUser extends SuccessResponse {}
-export class SetUserRole extends SuccessResponse {}
-export class DisableTfa extends SuccessResponse {}

dto/responses/base.ts

@@ -1,25 +0,0 @@
-import { IsNumber, Max, Min } from 'class-validator';
-
-export class BaseResponse {
-	constructor(statusCode: number) {
-		this.statusCode = statusCode;
-	}
-
-	@IsNumber()
-	@Min(100)
-	@Max(599)
-	statusCode: number;
-}
-
-export class SuccessResponse extends BaseResponse {
-	constructor() {
-		super(200);
-	}
-
-	declare statusCode: 200;
-}
-
-export class ErrorResponse extends BaseResponse {
-	declare statusCode: 400 | 401 | 403;
-	message?: string;
-}

dto/responses/fs.ts

@@ -1,89 +0,0 @@
-import { SuccessResponse } from './base';
-import {
-	IsBoolean,
-	IsInt,
-	IsNotEmpty,
-	IsOptional,
-	IsString,
-	Min
-} from 'class-validator';
-import { ValidateConstructor } from '../utils';
-
-@ValidateConstructor
-export class GetRootResponse extends SuccessResponse {
-	constructor(rootId: number) {
-		super();
-		this.rootId = rootId;
-	}
-	@IsInt()
-	@Min(1)
-	rootId: number;
-}
-
-export class GetNodeResponse extends SuccessResponse {
-	constructor(
-		id: number,
-		name: string,
-		isFile: boolean,
-		parent: number | null
-	) {
-		super();
-		this.id = id;
-		this.name = name;
-		this.isFile = isFile;
-		this.parent = parent;
-	}
-
-	@IsInt()
-	@Min(1)
-	id: number;
-
-	@IsString()
-	name: string;
-
-	@IsBoolean()
-	isFile: boolean;
-
-	@IsOptional()
-	@IsInt()
-	@Min(1)
-	parent: number | null;
-
-	@IsOptional()
-	@IsInt({ each: true })
-	@Min(1, { each: true })
-	children?: number[];
-
-	@IsOptional()
-	@IsInt()
-	@Min(0)
-	size?: number;
-}
-
-@ValidateConstructor
-export class GetPathResponse extends SuccessResponse {
-	constructor(path: string) {
-		super();
-		this.path = path;
-	}
-
-	@IsNotEmpty()
-	@IsString()
-	path: string;
-}
-
-@ValidateConstructor
-export class CreateFolderResponse extends SuccessResponse {
-	constructor(id: number) {
-		super();
-		this.id = id;
-	}
-
-	@IsInt()
-	@Min(1)
-	id: number;
-}
-
-export class UploadFileResponse extends SuccessResponse {}
-export class DeleteResponse extends SuccessResponse {}
-export class CreateFileResponse extends CreateFolderResponse {}

dto/responses/index.ts

@@ -1,5 +0,0 @@
-export * from './base';
-export * as Auth from './auth';
-export * as FS from './fs';
-export * as User from './user';
-export * as Admin from './admin';

dto/responses/user.ts

@@ -1,27 +0,0 @@
-import { SuccessResponse } from './base';
-import { ValidateConstructor } from '../utils';
-import { IsBoolean, IsNotEmpty, IsString } from 'class-validator';
-
-@ValidateConstructor
-export class UserInfoResponse extends SuccessResponse {
-	constructor(name: string, gitlab: boolean, tfaEnabled: boolean) {
-		super();
-		this.name = name;
-		this.gitlab = gitlab;
-		this.tfaEnabled = tfaEnabled;
-	}
-
-	@IsNotEmpty()
-	@IsString()
-	name: string;
-
-	@IsBoolean()
-	gitlab: boolean;
-
-	@IsBoolean()
-	tfaEnabled: boolean;
-}
-
-export class DeleteUserResponse extends SuccessResponse {}
-export class ChangePasswordResponse extends SuccessResponse {}
-export class LogoutAllResponse extends SuccessResponse {}

dto/utils.ts

@@ -1,41 +0,0 @@
-import { validate, validateSync as _validateSync } from 'class-validator';
-
-export enum UserRole {
-	ADMIN = 2,
-	USER = 1,
-	DISABLED = 0
-}
-
-export function validateSync<T extends object>(data: T): void {
-	const errors = _validateSync(data);
-	if (errors.length > 0) {
-		console.error('Validation failed, errors: ', errors);
-		throw new Error('Validation failed');
-	}
-}
-
-export async function validateAsync<T extends object>(data: T): Promise<void> {
-	const errors = await validate(data);
-	if (errors.length > 0) {
-		console.error('Validation failed, errors: ', errors);
-		throw new Error('Validation failed');
-	}
-}
-
-export async function validateAsyncInline<T extends object>(
-	data: T
-): Promise<T> {
-	await validateAsync(data);
-	return data;
-}
-
-export function ValidateConstructor<T extends { new (...args: any[]): any }>(
-	constr: T
-) {
-	return class extends constr {
-		constructor(...args: any[]) {
-			super(...args);
-			validateSync(this);
-		}
-	};
-}

frontend/babel.config.js

@@ -1,3 +1,3 @@
 module.exports = {
-	presets: ['@vue/cli-plugin-babel/preset']
+  presets: ["@vue/cli-plugin-babel/preset"],
 };

frontend/package.json

@@ -9,6 +9,8 @@
   },
   "dependencies": {
     "axios": "^0.27.2",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.13.2",
     "core-js": "^3.8.3",
     "filesize": "^9.0.11",
     "jwt-decode": "^3.1.2",
@@ -27,8 +29,6 @@
     "@vue/cli-plugin-typescript": "~5.0.0",
     "@vue/cli-service": "~5.0.0",
     "@vue/eslint-config-typescript": "^9.1.0",
-    "class-transformer": "^0.5.1",
-    "class-validator": "^0.13.2",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.0.0",

frontend/src/App.vue

@@ -1,27 +1,27 @@
 <script setup async lang="ts">
-import { provide, ref } from 'vue';
-import { useRouter } from 'vue-router';
-import { TokenInjectType } from '@/api';
+import { provide, ref } from "vue";
+import { useRouter } from "vue-router";
+import { TokenInjectType } from "@/api";
 
 const router = useRouter();
 
-const jwt = ref<string | null>(localStorage.getItem('token'));
+const jwt = ref<string | null>(localStorage.getItem("token"));
 
 function setToken(token: string) {
   jwt.value = token;
-	localStorage.setItem('token', token);
+  localStorage.setItem("token", token);
 }
 
 function logout() {
   jwt.value = null;
-	localStorage.removeItem('token');
-	router.push({ name: 'login' });
+  localStorage.removeItem("token");
+  router.push({ name: "login" });
 }
 
-provide<TokenInjectType>('jwt', {
+provide<TokenInjectType>("jwt", {
   jwt,
   setToken,
-	logout
+  logout,
 });
 </script>
 

frontend/src/AppAsyncWrapper.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import App from './App';
+import App from "./App";
 </script>
 
 <template>

frontend/src/api/admin.ts

@@ -1,7 +1,7 @@
-import { Requests, Responses, UserRole, get_token, post_token } from './base';
+import { Requests, Responses, UserRole, get_token, post_token } from "./base";
 
 export const get_users = (token: string): Promise<Responses.Admin.GetUsers> =>
-	get_token('/api/admin/users', token);
+  get_token("/api/admin/users", token);
 
 export const set_role = (
   user: number,
@@ -9,10 +9,10 @@ export const set_role = (
   token: string
 ): Promise<Responses.Admin.SetUserRole | Responses.ErrorResponse> =>
   post_token<Requests.Admin.SetUserRole>(
-		'/api/admin/set_role',
+    "/api/admin/set_role",
     {
       user,
-			role
+      role,
     },
     token
   );
@@ -22,9 +22,9 @@ export const logout = (
   token: string
 ): Promise<Responses.Admin.LogoutAllUser | Responses.ErrorResponse> =>
   post_token<Requests.Admin.LogoutAll>(
-		'/api/admin/logout',
+    "/api/admin/logout",
     {
-			user
+      user,
     },
     token
   );
@@ -34,9 +34,9 @@ export const delete_user = (
   token: string
 ): Promise<Responses.Admin.DeleteUser | Responses.ErrorResponse> =>
   post_token<Requests.Admin.DeleteUser>(
-		'/api/admin/delete',
+    "/api/admin/delete",
     {
-			user
+      user,
     },
     token
   );
@@ -46,9 +46,9 @@ export const disable_tfa = (
   token: string
 ): Promise<Responses.Admin.DisableTfa | Responses.ErrorResponse> =>
   post_token<Requests.Admin.DisableTfa>(
-		'/api/admin/disable_2fa',
+    "/api/admin/disable_2fa",
     {
-			user
+      user,
     },
     token
   );

frontend/src/api/auth.ts

@@ -1,4 +1,4 @@
-import { Responses, Requests, post, post_token } from './base';
+import { Responses, Requests, post, post_token } from "./base";
 
 export const auth_login = (
   username: string,
@@ -9,25 +9,25 @@ export const auth_login = (
   | Responses.Auth.TfaRequiredResponse
   | Responses.ErrorResponse
 > =>
-	post<Requests.Auth.LoginRequest>('/api/auth/login', {
+  post<Requests.Auth.LoginRequest>("/api/auth/login", {
     username: username,
     password: password,
-		otp: otp
+    otp: otp,
   });
 
 export const auth_signup = (
   username: string,
   password: string
 ): Promise<Responses.Auth.SignupResponse | Responses.ErrorResponse> =>
-	post<Requests.Auth.SignUpRequest>('/api/auth/signup', {
+  post<Requests.Auth.SignUpRequest>("/api/auth/signup", {
     username: username,
-		password: password
+    password: password,
   });
 
 export const refresh_token = (
   token: string
 ): Promise<Responses.Auth.RefreshResponse | Responses.ErrorResponse> =>
-	post_token('/api/auth/refresh', {}, token);
+  post_token("/api/auth/refresh", {}, token);
 
 export const change_password = (
   oldPw: string,
@@ -35,10 +35,10 @@ export const change_password = (
   token: string
 ): Promise<Responses.Auth.ChangePasswordResponse | Responses.ErrorResponse> =>
   post_token<Requests.Auth.ChangePasswordRequest>(
-		'/api/auth/change_password',
+    "/api/auth/change_password",
     {
       oldPassword: oldPw,
-			newPassword: newPw
+      newPassword: newPw,
     },
     token
   );
@@ -46,7 +46,7 @@ export const change_password = (
 export const logout_all = (
   token: string
 ): Promise<Responses.Auth.LogoutAllResponse | Responses.ErrorResponse> =>
-	post_token('/api/auth/logout_all', {}, token);
+  post_token("/api/auth/logout_all", {}, token);
 
 export function tfa_setup(
   mail: false,
@@ -65,9 +65,9 @@ export function tfa_setup(
   | Responses.ErrorResponse
 > {
   return post_token<Requests.Auth.TfaSetup>(
-		'/api/auth/2fa/setup',
+    "/api/auth/2fa/setup",
     {
-			mail
+      mail,
     },
     token
   );
@@ -79,10 +79,10 @@ export const tfa_complete = (
   token: string
 ): Promise<Responses.Auth.TfaCompletedResponse | Responses.ErrorResponse> =>
   post_token<Requests.Auth.TfaComplete>(
-		'/api/auth/2fa/complete',
+    "/api/auth/2fa/complete",
     {
       mail,
-			code
+      code,
     },
     token
   );
@@ -90,4 +90,4 @@ export const tfa_complete = (
 export const tfa_disable = (
   token: string
 ): Promise<Responses.Auth.RemoveTfaResponse | Responses.ErrorResponse> =>
-	post_token('/api/auth/2fa/disable', {}, token);
+  post_token("/api/auth/2fa/disable", {}, token);

frontend/src/api/base.ts

@@ -1,11 +1,11 @@
-import axios from 'axios';
-import { Requests, Responses, UserRole } from '../../../dto';
+import axios from "axios";
+import { Requests, Responses, UserRole } from "../dto";
 export { Requests, Responses, UserRole };
 
 export const post = <T extends Requests.BaseRequest>(url: string, data: T) =>
   axios
     .post(url, data, {
-			headers: { 'Content-type': 'application/json' }
+      headers: { "Content-type": "application/json" },
     })
     .then((res) => res.data)
     .catch((err) => err.response.data);
@@ -18,9 +18,9 @@ export const post_token = <T extends Requests.BaseRequest>(
   axios
     .post(url, data, {
       headers: {
-				Authorization: 'Bearer ' + token,
-				'Content-type': 'application/json'
-			}
+        Authorization: "Bearer " + token,
+        "Content-type": "application/json",
+      },
     })
     .then((res) => res.data)
     .catch((err) => err.response.data);
@@ -34,10 +34,10 @@ export const post_token_form = (
   axios
     .post(url, data, {
       headers: {
-				Authorization: 'Bearer ' + token,
-				'Content-type': 'multipart/form-data'
+        Authorization: "Bearer " + token,
+        "Content-type": "multipart/form-data",
       },
-			onUploadProgress: onProgress
+      onUploadProgress: onProgress,
     })
     .then((res) => res.data)
     .catch((err) => err.response.data);
@@ -52,7 +52,7 @@ export const get = (url: string) =>
 export const get_token = (url: string, token: string) =>
   axios
     .get(url, {
-			headers: { Authorization: 'Bearer ' + token }
+      headers: { Authorization: "Bearer " + token },
     })
     .then((res) => res.data)
     .catch((err) => err.response.data);

frontend/src/api/fs.ts

@@ -4,13 +4,13 @@ import {
   get_token,
   post_token,
   post_token_form,
-	isErrorResponse
-} from './base';
+  isErrorResponse,
+} from "./base";
 
 export const get_root = (
   token: string
 ): Promise<Responses.FS.GetRootResponse | Responses.ErrorResponse> =>
-	get_token('/api/fs/root', token);
+  get_token("/api/fs/root", token);
 
 export const get_node = (
   token: string,
@@ -30,10 +30,10 @@ export const create_folder = (
   name: string
 ): Promise<Responses.FS.CreateFolderResponse | Responses.ErrorResponse> =>
   post_token<Requests.FS.CreateFolderRequest>(
-		'/api/fs/createFolder',
+    "/api/fs/createFolder",
     {
       parent: parent,
-			name: name
+      name: name,
     },
     token
   );
@@ -44,10 +44,10 @@ export const create_file = (
   name: string
 ): Promise<Responses.FS.CreateFileResponse | Responses.ErrorResponse> =>
   post_token<Requests.FS.CreateFileRequest>(
-		'/api/fs/createFile',
+    "/api/fs/createFile",
     {
       parent: parent,
-			name: name
+      name: name,
     },
     token
   );
@@ -56,13 +56,7 @@ export const delete_node = (
   token: string,
   node: number
 ): Promise<Responses.FS.DeleteResponse | Responses.ErrorResponse> =>
-	post_token<Requests.FS.DeleteRequest>(
-		'/api/fs/delete',
-		{
-			node: node
-		},
-		token
-	);
+  post_token(`/api/fs/delete/${node}`, {}, token);
 
 export const upload_file = async (
   token: string,
@@ -74,20 +68,15 @@ export const upload_file = async (
   if (isErrorResponse(node)) return node;
 
   const form = new FormData();
-	form.set('file', file);
-	return post_token_form(
-		`/api/fs/upload/${node.id}`,
-		form,
-		token,
-		onProgress
-	);
+  form.set("file", file);
+  return post_token_form(`/api/fs/upload/${node.id}`, form, token, onProgress);
 };
 
 export function download_file(token: string, id: number) {
-	const form = document.createElement('form');
-	form.method = 'post';
-	form.target = '_blank';
-	form.action = '/api/fs/download';
+  const form = document.createElement("form");
+  form.method = "post";
+  form.target = "_blank";
+  form.action = "/api/fs/download";
   form.innerHTML = `<input type="hidden" name="jwtToken" value="${token}"><input type="hidden" name="id" value="${id}">`;
   document.body.appendChild(form);
   form.submit();

frontend/src/api/index.ts

@@ -1,6 +1,6 @@
-export { Requests, Responses, UserRole, isErrorResponse } from './base';
-export * as Auth from './auth';
-export * as FS from './fs';
-export * as User from './user';
-export * as Admin from './admin';
-export * from './util';
+export { Requests, Responses, UserRole, isErrorResponse } from "./base";
+export * as Auth from "./auth";
+export * as FS from "./fs";
+export * as User from "./user";
+export * as Admin from "./admin";
+export * from "./util";

frontend/src/api/user.ts

@@ -1,11 +1,11 @@
-import { Responses, get_token, post_token } from '@/api/base';
+import { Responses, get_token, post_token } from "@/api/base";
 
 export const get_user_info = (
   token: string
 ): Promise<Responses.User.UserInfoResponse | Responses.ErrorResponse> =>
-	get_token('/api/user/info', token);
+  get_token("/api/user/info", token);
 
 export const delete_user = (
   token: string
 ): Promise<Responses.User.DeleteUserResponse | Responses.ErrorResponse> =>
-	post_token('/api/user/delete', {}, token);
+  post_token("/api/user/delete", {}, token);

frontend/src/api/util.ts

@@ -1,7 +1,7 @@
-import jwtDecode, { JwtPayload } from 'jwt-decode';
-import { Ref, UnwrapRef } from 'vue';
-import { isErrorResponse } from './base';
-import { refresh_token } from './auth';
+import jwtDecode, { JwtPayload } from "jwt-decode";
+import { Ref, UnwrapRef } from "vue";
+import { isErrorResponse } from "./base";
+import { refresh_token } from "./auth";
 
 export async function check_token(
   token: TokenInjectType

frontend/src/components/FSView/DirEntry.vue

@@ -1,21 +1,21 @@
 <script setup lang="ts">
-import { defineEmits, defineProps, inject } from 'vue';
-import { check_token, FS, Responses, TokenInjectType } from '@/api';
+import { defineEmits, defineProps, inject } from "vue";
+import { check_token, FS, Responses, TokenInjectType } from "@/api";
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 const props = defineProps<{
   node: Responses.FS.GetNodeResponse;
 }>();
 
 const emit = defineEmits<{
-	(e: 'reloadNode'): void;
+  (e: "reloadNode"): void;
 }>();
 
 async function del() {
   const token = await check_token(jwt);
   if (!token) return;
   await FS.delete_node(token, props.node.id);
-	emit('reloadNode');
+  emit("reloadNode");
 }
 
 async function download() {

frontend/src/components/FSView/DirViewer.vue

@@ -1,26 +1,26 @@
 <script setup lang="ts">
-import { defineEmits, defineProps, inject, reactive, ref, watch } from 'vue';
-import { FS, Responses, check_token, TokenInjectType } from '@/api';
-import DirEntry from '@/components/FSView/DirEntry.vue';
-import UploadFileDialog from '@/components/UploadDialog/UploadFileDialog.vue';
-import { NModal } from 'naive-ui';
+import { defineEmits, defineProps, inject, reactive, ref, watch } from "vue";
+import { FS, Responses, check_token, TokenInjectType } from "@/api";
+import DirEntry from "@/components/FSView/DirEntry.vue";
+import UploadFileDialog from "@/components/UploadDialog/UploadFileDialog.vue";
+import { NModal } from "naive-ui";
 
 const props = defineProps<{
   node: Responses.FS.GetNodeResponse;
 }>();
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 const emit = defineEmits<{
-	(e: 'reloadNode'): void;
-	(e: 'gotoRoot'): void;
+  (e: "reloadNode"): void;
+  (e: "gotoRoot"): void;
 }>();
 
 const fileInput = ref<HTMLInputElement>();
 const uploadDialog = ref();
 const uploadDialogShow = ref(false);
 
-const new_folder_name = ref('');
+const new_folder_name = ref("");
 const files = ref<File[]>([]);
 const nodes = ref<Responses.FS.GetNodeResponse[]>([]);
 const hasParent = ref(false);
@@ -29,7 +29,7 @@ const parentNode = reactive<Responses.FS.GetNodeResponse>({
   statusCode: 200,
   isFile: false,
   parent: null,
-	name: '..'
+  name: "..",
 });
 
 watch(
@@ -43,10 +43,7 @@ watch(
     await Promise.all(
       to.children?.map(async (child) => {
         nodes.value.push(
-					(await FS.get_node(
-						token,
-						child
-					)) as Responses.FS.GetNodeResponse
+          (await FS.get_node(token, child)) as Responses.FS.GetNodeResponse
         );
       }) ?? []
     );
@@ -58,7 +55,7 @@ async function newFolder() {
   const token = await check_token(jwt);
   if (!token) return;
   await FS.create_folder(token, props.node.id, new_folder_name.value);
-	emit('reloadNode');
+  emit("reloadNode");
 }
 
 async function uploadFiles() {
@@ -69,18 +66,14 @@ async function uploadFiles() {
 async function uploadFilesDialogOpen() {
   await uploadDialog.value?.startUpload(props.node.id);
   uploadDialogShow.value = false;
-	if (fileInput.value) fileInput.value.value = '';
-	emit('reloadNode');
+  if (fileInput.value) fileInput.value.value = "";
+  emit("reloadNode");
 }
 </script>
 
 <template>
   <div>
-		<input
-			type="text"
-			placeholder="Folder name"
-			v-model="new_folder_name"
-		/>
+    <input type="text" placeholder="Folder name" v-model="new_folder_name" />
     <a href="#" @click="newFolder()">create folder</a>
   </div>
   <div>

frontend/src/components/FSView/FileViewer.vue

@@ -1,12 +1,12 @@
 <script setup lang="ts">
-import { defineProps, inject } from 'vue';
-import { check_token, FS, Responses, TokenInjectType } from '@/api';
+import { defineProps, inject } from "vue";
+import { check_token, FS, Responses, TokenInjectType } from "@/api";
 
 const props = defineProps<{
   node: Responses.FS.GetNodeResponse;
 }>();
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 async function del() {
   const token = await check_token(jwt);

frontend/src/components/HelloWorld.vue

@@ -2,8 +2,7 @@
   <div class="hello">
     <h1>{{ msg }}</h1>
     <p>
-			For a guide and recipes on how to configure / customize this
-			project,<br />
+      For a guide and recipes on how to configure / customize this project,<br />
       check out the
       <a href="https://cli.vuejs.org" target="_blank" rel="noopener"
         >vue-cli documentation</a
@@ -55,9 +54,7 @@
     <h3>Essential Links</h3>
     <ul>
       <li>
-				<a href="https://vuejs.org" target="_blank" rel="noopener"
-					>Core Docs</a
-				>
+        <a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a>
       </li>
       <li>
         <a href="https://forum.vuejs.org" target="_blank" rel="noopener"
@@ -70,33 +67,23 @@
         >
       </li>
       <li>
-				<a
-					href="https://twitter.com/vuejs"
-					target="_blank"
-					rel="noopener"
+        <a href="https://twitter.com/vuejs" target="_blank" rel="noopener"
           >Twitter</a
         >
       </li>
       <li>
-				<a href="https://news.vuejs.org" target="_blank" rel="noopener"
-					>News</a
-				>
+        <a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a>
       </li>
     </ul>
     <h3>Ecosystem</h3>
     <ul>
       <li>
-				<a
-					href="https://router.vuejs.org"
-					target="_blank"
-					rel="noopener"
+        <a href="https://router.vuejs.org" target="_blank" rel="noopener"
           >vue-router</a
         >
       </li>
       <li>
-				<a href="https://vuex.vuejs.org" target="_blank" rel="noopener"
-					>vuex</a
-				>
+        <a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a>
       </li>
       <li>
         <a
@@ -107,10 +94,7 @@
         >
       </li>
       <li>
-				<a
-					href="https://vue-loader.vuejs.org"
-					target="_blank"
-					rel="noopener"
+        <a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener"
           >vue-loader</a
         >
       </li>
@@ -127,13 +111,13 @@
 </template>
 
 <script lang="ts">
-import { defineComponent } from 'vue';
+import { defineComponent } from "vue";
 
 export default defineComponent({
-	name: 'HelloWorld',
+  name: "HelloWorld",
   props: {
-		msg: String
-	}
+    msg: String,
+  },
 });
 </script>
 

frontend/src/components/UploadDialog/UploadEntry.vue

@@ -1,8 +1,8 @@
 <script setup lang="ts">
-import { defineProps, defineExpose, ref } from 'vue';
-import { isErrorResponse, FS } from '@/api';
-import { NProgress } from 'naive-ui';
-import filesize from 'filesize';
+import { defineProps, defineExpose, ref } from "vue";
+import { isErrorResponse, FS } from "@/api";
+import { NProgress } from "naive-ui";
+import filesize from "filesize";
 
 const props = defineProps<{
   file: File;
@@ -10,8 +10,8 @@ const props = defineProps<{
 
 const progress = ref(0);
 const percentage = ref(0);
-const err = ref('');
-const status = ref('info');
+const err = ref("");
+const status = ref("info");
 
 async function startUpload(parent: number, token: string) {
   const resp = await FS.upload_file(token, parent, props.file, (e) => {
@@ -20,13 +20,13 @@ async function startUpload(parent: number, token: string) {
   });
   percentage.value = 100;
   if (isErrorResponse(resp)) {
-		err.value = resp.message ?? 'Error';
-		status.value = 'error';
-	} else status.value = 'success';
+    err.value = resp.message ?? "Error";
+    status.value = "error";
+  } else status.value = "success";
 }
 
 defineExpose({
-	startUpload
+  startUpload,
 });
 </script>
 

frontend/src/components/UploadDialog/UploadFileDialog.vue

@@ -1,10 +1,10 @@
 <script setup lang="ts">
-import { defineProps, defineExpose, ref, inject } from 'vue';
-import { check_token, TokenInjectType } from '@/api';
-import UploadEntry from '@/components/UploadDialog/UploadEntry.vue';
-import { NCard } from 'naive-ui';
+import { defineProps, defineExpose, ref, inject } from "vue";
+import { check_token, TokenInjectType } from "@/api";
+import UploadEntry from "@/components/UploadDialog/UploadEntry.vue";
+import { NCard } from "naive-ui";
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 const entries = ref<typeof UploadEntry[]>([]);
 const done = ref(false);
@@ -22,7 +22,7 @@ async function startUpload(parent: number) {
 }
 
 defineExpose({
-	startUpload
+  startUpload,
 });
 defineProps<{
   files: File[];
@@ -32,12 +32,7 @@ defineProps<{
 <template>
   <n-card title="Upload Files">
     <div>
-			<UploadEntry
-				v-for="f in files"
-				:key="f.name"
-				ref="entries"
-				:file="f"
-			/>
+      <UploadEntry v-for="f in files" :key="f.name" ref="entries" :file="f" />
     </div>
     <div>
       <button v-if="done" @click="canCloseResolve()">Close</button>

frontend/src/dto/index.ts

@@ -0,0 +1,8 @@
+export * as Requests from "./requests";
+export * as Responses from "./responses";
+export {
+  UserRole,
+  validateSync,
+  validateAsync,
+  validateAsyncInline,
+} from "./utils";

frontend/src/dto/requests/admin.ts

@@ -0,0 +1,17 @@
+import { BaseRequest } from "./base";
+import { IsEnum, IsNumber } from "class-validator";
+import { UserRole } from "../utils";
+
+export class AdminRequest extends BaseRequest {
+  @IsNumber()
+  user: number;
+}
+
+export class SetUserRole extends AdminRequest {
+  @IsEnum(UserRole)
+  role: UserRole;
+}
+
+export class LogoutAll extends AdminRequest {}
+export class DeleteUser extends AdminRequest {}
+export class DisableTfa extends AdminRequest {}

frontend/src/dto/requests/auth.ts

@@ -0,0 +1,50 @@
+import { BaseRequest } from "./base";
+import {
+  IsBoolean,
+  IsEmail,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+} from "class-validator";
+
+export class SignUpRequest extends BaseRequest {
+  @IsEmail()
+  username: string;
+
+  @IsNotEmpty()
+  @IsString()
+  password: string;
+}
+
+export class LoginRequest extends SignUpRequest {
+  @IsOptional()
+  @IsNotEmpty()
+  @IsString()
+  otp?: string;
+}
+
+export class TfaSetup extends BaseRequest {
+  @IsNotEmpty()
+  @IsBoolean()
+  mail: boolean;
+}
+
+export class TfaComplete extends BaseRequest {
+  @IsNotEmpty()
+  @IsBoolean()
+  mail: boolean;
+
+  @IsNotEmpty()
+  @IsString()
+  code: string;
+}
+
+export class ChangePasswordRequest extends BaseRequest {
+  @IsNotEmpty()
+  @IsString()
+  oldPassword: string;
+
+  @IsNotEmpty()
+  @IsString()
+  newPassword: string;
+}

frontend/src/dto/requests/fs.ts

@@ -0,0 +1,14 @@
+import { BaseRequest } from "./base";
+import { IsInt, IsNotEmpty, IsString, Min } from "class-validator";
+
+export class CreateFolderRequest extends BaseRequest {
+  @IsInt()
+  @Min(1)
+  parent: number;
+
+  @IsNotEmpty()
+  @IsString()
+  name: string;
+}
+
+export class CreateFileRequest extends CreateFolderRequest {}

frontend/src/dto/requests/index.ts

@@ -0,0 +1,4 @@
+export * from "./base";
+export * as Auth from "./auth";
+export * as FS from "./fs";
+export * as Admin from "./admin";

frontend/src/dto/responses/admin.ts

@@ -0,0 +1,61 @@
+import { SuccessResponse } from "./base";
+import {
+  IsArray,
+  IsBoolean,
+  IsEnum,
+  IsNotEmpty,
+  IsNumber,
+  IsString,
+  ValidateNested,
+} from "class-validator";
+import { UserRole, ValidateConstructor } from "../utils";
+
+@ValidateConstructor
+export class GetUsersEntry {
+  constructor(
+    id: number,
+    gitlab: boolean,
+    name: string,
+    role: UserRole,
+    tfaEnabled: boolean
+  ) {
+    this.id = id;
+    this.gitlab = gitlab;
+    this.name = name;
+    this.role = role;
+    this.tfaEnabled = tfaEnabled;
+  }
+
+  @IsNumber()
+  id: number;
+
+  @IsBoolean()
+  gitlab: boolean;
+
+  @IsString()
+  @IsNotEmpty()
+  name: string;
+
+  @IsEnum(UserRole)
+  role: UserRole;
+
+  @IsBoolean()
+  tfaEnabled: boolean;
+}
+
+@ValidateConstructor
+export class GetUsers extends SuccessResponse {
+  constructor(users: GetUsersEntry[]) {
+    super();
+    this.users = users;
+  }
+
+  @IsArray()
+  @ValidateNested({ each: true })
+  users: GetUsersEntry[];
+}
+
+export class LogoutAllUser extends SuccessResponse {}
+export class DeleteUser extends SuccessResponse {}
+export class SetUserRole extends SuccessResponse {}
+export class DisableTfa extends SuccessResponse {}

frontend/src/dto/responses/auth.ts

@@ -1,6 +1,6 @@
-import { SuccessResponse } from './base';
-import { IsBase32, IsJWT, IsNotEmpty } from 'class-validator';
-import { ValidateConstructor } from '../utils';
+import { SuccessResponse } from "./base";
+import { IsBase32, IsJWT, IsNotEmpty } from "class-validator";
+import { ValidateConstructor } from "../utils";
 
 @ValidateConstructor
 export class LoginResponse extends SuccessResponse {

frontend/src/dto/responses/base.ts

@@ -0,0 +1,25 @@
+import { IsNumber, Max, Min } from "class-validator";
+
+export class BaseResponse {
+  constructor(statusCode: number) {
+    this.statusCode = statusCode;
+  }
+
+  @IsNumber()
+  @Min(100)
+  @Max(599)
+  statusCode: number;
+}
+
+export class SuccessResponse extends BaseResponse {
+  constructor() {
+    super(200);
+  }
+
+  declare statusCode: 200;
+}
+
+export class ErrorResponse extends BaseResponse {
+  declare statusCode: 400 | 401 | 403;
+  message?: string;
+}

frontend/src/dto/responses/fs.ts

@@ -0,0 +1,89 @@
+import { SuccessResponse } from "./base";
+import {
+  IsBoolean,
+  IsInt,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  Min,
+} from "class-validator";
+import { ValidateConstructor } from "../utils";
+
+@ValidateConstructor
+export class GetRootResponse extends SuccessResponse {
+  constructor(rootId: number) {
+    super();
+    this.rootId = rootId;
+  }
+  @IsInt()
+  @Min(1)
+  rootId: number;
+}
+
+export class GetNodeResponse extends SuccessResponse {
+  constructor(
+    id: number,
+    name: string,
+    isFile: boolean,
+    parent: number | null
+  ) {
+    super();
+    this.id = id;
+    this.name = name;
+    this.isFile = isFile;
+    this.parent = parent;
+  }
+
+  @IsInt()
+  @Min(1)
+  id: number;
+
+  @IsString()
+  name: string;
+
+  @IsBoolean()
+  isFile: boolean;
+
+  @IsOptional()
+  @IsInt()
+  @Min(1)
+  parent: number | null;
+
+  @IsOptional()
+  @IsInt({ each: true })
+  @Min(1, { each: true })
+  children?: number[];
+
+  @IsOptional()
+  @IsInt()
+  @Min(0)
+  size?: number;
+}
+
+@ValidateConstructor
+export class GetPathResponse extends SuccessResponse {
+  constructor(path: string) {
+    super();
+    this.path = path;
+  }
+
+  @IsNotEmpty()
+  @IsString()
+  path: string;
+}
+
+@ValidateConstructor
+export class CreateFolderResponse extends SuccessResponse {
+  constructor(id: number) {
+    super();
+    this.id = id;
+  }
+
+  @IsInt()
+  @Min(1)
+  id: number;
+}
+
+export class UploadFileResponse extends SuccessResponse {}
+export class DeleteResponse extends SuccessResponse {}
+export class CreateFileResponse extends CreateFolderResponse {}

frontend/src/dto/responses/index.ts

@@ -0,0 +1,5 @@
+export * from "./base";
+export * as Auth from "./auth";
+export * as FS from "./fs";
+export * as User from "./user";
+export * as Admin from "./admin";

frontend/src/dto/responses/user.ts

@@ -0,0 +1,27 @@
+import { SuccessResponse } from "./base";
+import { ValidateConstructor } from "../utils";
+import { IsBoolean, IsNotEmpty, IsString } from "class-validator";
+
+@ValidateConstructor
+export class UserInfoResponse extends SuccessResponse {
+  constructor(name: string, gitlab: boolean, tfaEnabled: boolean) {
+    super();
+    this.name = name;
+    this.gitlab = gitlab;
+    this.tfaEnabled = tfaEnabled;
+  }
+
+  @IsNotEmpty()
+  @IsString()
+  name: string;
+
+  @IsBoolean()
+  gitlab: boolean;
+
+  @IsBoolean()
+  tfaEnabled: boolean;
+}
+
+export class DeleteUserResponse extends SuccessResponse {}
+export class ChangePasswordResponse extends SuccessResponse {}
+export class LogoutAllResponse extends SuccessResponse {}

frontend/src/dto/utils.ts

@@ -0,0 +1,41 @@
+import { validate, validateSync as _validateSync } from "class-validator";
+
+export enum UserRole {
+  ADMIN = 2,
+  USER = 1,
+  DISABLED = 0,
+}
+
+export function validateSync<T extends object>(data: T): void {
+  const errors = _validateSync(data);
+  if (errors.length > 0) {
+    console.error("Validation failed, errors: ", errors);
+    throw new Error("Validation failed");
+  }
+}
+
+export async function validateAsync<T extends object>(data: T): Promise<void> {
+  const errors = await validate(data);
+  if (errors.length > 0) {
+    console.error("Validation failed, errors: ", errors);
+    throw new Error("Validation failed");
+  }
+}
+
+export async function validateAsyncInline<T extends object>(
+  data: T
+): Promise<T> {
+  await validateAsync(data);
+  return data;
+}
+
+export function ValidateConstructor<T extends { new (...args: any[]): any }>(
+  constr: T
+) {
+  return class extends constr {
+    constructor(...args: any[]) {
+      super(...args);
+      validateSync(this);
+    }
+  };
+}

frontend/src/main.ts

@@ -1,8 +1,8 @@
-import { createApp } from 'vue';
-import router from './router';
-import AppAsyncWrapper from './AppAsyncWrapper.vue';
+import { createApp } from "vue";
+import router from "./router";
+import AppAsyncWrapper from "./AppAsyncWrapper.vue";
 
 const app = createApp(AppAsyncWrapper);
 app.use(router);
 app.config.unwrapInjectedRef = true;
-app.mount('#app');
+app.mount("#app");

frontend/src/router/index.ts

@@ -1,63 +1,63 @@
-import { createRouter, createWebHistory, RouteRecordRaw } from 'vue-router';
-import LoginView from '@/views/LoginView.vue';
-import SignupView from '@/views/SignupView.vue';
-import HomeView from '@/views/HomeView.vue';
-import AboutView from '@/views/AboutView.vue';
-import FSView from '@/views/FSView.vue';
-import SetTokenView from '@/views/SetTokenView.vue';
-import ProfileView from '@/views/ProfileView.vue';
-import TFAView from '@/views/TFAView.vue';
-import AdminView from '@/views/AdminView.vue';
+import { createRouter, createWebHistory, RouteRecordRaw } from "vue-router";
+import LoginView from "@/views/LoginView.vue";
+import SignupView from "@/views/SignupView.vue";
+import HomeView from "@/views/HomeView.vue";
+import AboutView from "@/views/AboutView.vue";
+import FSView from "@/views/FSView.vue";
+import SetTokenView from "@/views/SetTokenView.vue";
+import ProfileView from "@/views/ProfileView.vue";
+import TFAView from "@/views/TFAView.vue";
+import AdminView from "@/views/AdminView.vue";
 
 const routes: Array<RouteRecordRaw> = [
   {
-		path: '/',
-		name: 'home',
-		component: HomeView
+    path: "/",
+    name: "home",
+    component: HomeView,
   },
   {
-		path: '/profile',
-		name: 'profile',
-		component: ProfileView
+    path: "/profile",
+    name: "profile",
+    component: ProfileView,
   },
   {
-		path: '/profile/2fa-enable',
-		name: '2fa',
-		component: TFAView
+    path: "/profile/2fa-enable",
+    name: "2fa",
+    component: TFAView,
   },
   {
-		path: '/admin',
-		component: AdminView
+    path: "/admin",
+    component: AdminView,
   },
   {
-		path: '/about',
-		component: AboutView
+    path: "/about",
+    component: AboutView,
   },
   {
-		path: '/login',
-		name: 'login',
-		component: LoginView
+    path: "/login",
+    name: "login",
+    component: LoginView,
   },
   {
-		path: '/signup',
-		name: 'signup',
-		component: SignupView
+    path: "/signup",
+    name: "signup",
+    component: SignupView,
   },
   {
-		path: '/fs/:node_id',
-		name: 'fs',
-		component: FSView
+    path: "/fs/:node_id",
+    name: "fs",
+    component: FSView,
   },
 
   {
-		path: '/set_token',
-		component: SetTokenView
-	}
+    path: "/set_token",
+    component: SetTokenView,
+  },
 ];
 
 const router = createRouter({
   history: createWebHistory(process.env.BASE_URL),
-	routes
+  routes,
 });
 
 export default router;

frontend/src/views/AdminView.vue

@@ -1,16 +1,16 @@
 <script setup lang="ts">
-import { inject, onBeforeMount, ref } from 'vue';
+import { inject, onBeforeMount, ref } from "vue";
 import {
   Responses,
   check_token,
   TokenInjectType,
   Admin,
-	isErrorResponse
-} from '@/api';
-import { onBeforeRouteUpdate } from 'vue-router';
-import router from '@/router';
+  isErrorResponse,
+} from "@/api";
+import { onBeforeRouteUpdate } from "vue-router";
+import router from "@/router";
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 const users = ref<Responses.Admin.GetUsersEntry[]>([]);
 
@@ -25,7 +25,7 @@ async function updatePanel() {
   if (!token) return;
 
   const res = await Admin.get_users(token);
-	if (isErrorResponse(res)) return router.replace({ path: '/' });
+  if (isErrorResponse(res)) return router.replace({ path: "/" });
   users.value = res.users;
 }
 
@@ -77,7 +77,7 @@ async function deleteUser(user: number) {
     </tr>
     <tr v-for="user in users" :key="user.id">
       <td>{{ user.name }}</td>
-			<td>{{ user.gitlab ? 'Gitlab' : 'Password' }}</td>
+      <td>{{ user.gitlab ? "Gitlab" : "Password" }}</td>
       <td>
         <select @change="setRole(user.id, $event.target.value)">
           <option value="0" :selected="user.role === 0 ? true : null">
@@ -93,7 +93,7 @@ async function deleteUser(user: number) {
       </td>
       <td v-if="user.gitlab"></td>
       <td v-else>
-				{{ user.tfaEnabled ? 'Enabled' : 'Disabled' }}
+        {{ user.tfaEnabled ? "Enabled" : "Disabled" }}
       </td>
       <td>
         <button v-if="user.tfaEnabled" @click="disableTfa(user.id)">

frontend/src/views/FSView.vue

@@ -1,21 +1,21 @@
 <script setup lang="ts">
-import { onBeforeRouteUpdate, useRoute, useRouter } from 'vue-router';
-import { inject, onBeforeMount, ref } from 'vue';
+import { onBeforeRouteUpdate, useRoute, useRouter } from "vue-router";
+import { inject, onBeforeMount, ref } from "vue";
 import {
   check_token,
   FS,
   Responses,
   isErrorResponse,
-	TokenInjectType
-} from '@/api';
-import DirViewer from '@/components/FSView/DirViewer.vue';
-import FileViewer from '@/components/FSView/FileViewer.vue';
+  TokenInjectType,
+} from "@/api";
+import DirViewer from "@/components/FSView/DirViewer.vue";
+import FileViewer from "@/components/FSView/FileViewer.vue";
 
 const router = useRouter();
 const route = useRoute();
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
-const path = ref('');
+const path = ref("");
 const node = ref<Responses.FS.GetNodeResponse | null>(null);
 
 async function fetch_node(node_id: number) {
@@ -23,7 +23,7 @@ async function fetch_node(node_id: number) {
   if (!token) return;
   let [p, n] = [
     await FS.get_path(token, node_id),
-		await FS.get_node(token, node_id)
+    await FS.get_node(token, node_id),
   ];
   if (isErrorResponse(p)) return gotoRoot();
   if (isErrorResponse(n)) return gotoRoot();
@@ -48,8 +48,8 @@ async function gotoRoot() {
   if (isErrorResponse(rootRes)) return jwt.logout();
   const root = rootRes.rootId;
   await router.replace({
-		name: 'fs',
-		params: { node_id: root }
+    name: "fs",
+    params: { node_id: root },
   });
 }
 </script>

frontend/src/views/HomeView.vue

@@ -1,12 +1,12 @@
 <template><p></p></template>
 
 <script setup lang="ts">
-import { onBeforeRouteUpdate, useRouter } from 'vue-router';
-import { inject, onBeforeMount } from 'vue';
-import { FS, check_token, isErrorResponse, TokenInjectType } from '@/api';
+import { onBeforeRouteUpdate, useRouter } from "vue-router";
+import { inject, onBeforeMount } from "vue";
+import { FS, check_token, isErrorResponse, TokenInjectType } from "@/api";
 
 const router = useRouter();
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 async function start_redirect() {
   const token = await check_token(jwt);
@@ -14,8 +14,8 @@ async function start_redirect() {
   const root = await FS.get_root(token);
   if (isErrorResponse(root)) return jwt.logout();
   await router.replace({
-		name: 'fs',
-		params: { node_id: root.rootId }
+    name: "fs",
+    params: { node_id: root.rootId },
   });
 }
 

frontend/src/views/LoginView.vue

@@ -1,43 +1,43 @@
 <script setup lang="ts">
-import { ref, inject } from 'vue';
-import { Auth, FS, isErrorResponse, TokenInjectType } from '@/api';
-import { useRouter } from 'vue-router';
+import { ref, inject } from "vue";
+import { Auth, FS, isErrorResponse, TokenInjectType } from "@/api";
+import { useRouter } from "vue-router";
 
 const router = useRouter();
 
-const username = ref('');
-const password = ref('');
-const otp = ref('');
+const username = ref("");
+const password = ref("");
+const otp = ref("");
 
-const error = ref('');
+const error = ref("");
 
 const requestOtp = ref(false);
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 async function login() {
-	error.value = '';
-	if (username.value === '' || password.value === '') {
-		error.value = 'Email and/or Password missing';
+  error.value = "";
+  if (username.value === "" || password.value === "") {
+    error.value = "Email and/or Password missing";
     return;
   }
   const res = await (requestOtp.value
     ? Auth.auth_login(username.value, password.value, otp.value)
     : Auth.auth_login(username.value, password.value));
-	if (isErrorResponse(res)) error.value = 'Login failed: ' + res.message;
-	else if ('jwt' in res) {
+  if (isErrorResponse(res)) error.value = "Login failed: " + res.message;
+  else if ("jwt" in res) {
     const root = await FS.get_root(res.jwt);
     if (isErrorResponse(root)) {
-			error.value = 'Get root failed: ' + root.message;
+      error.value = "Get root failed: " + root.message;
       return;
     }
     jwt.setToken(res.jwt);
     await router.push({
-			name: 'fs',
-			params: { node_id: root.rootId }
+      name: "fs",
+      params: { node_id: root.rootId },
     });
   } else {
-		error.value = '';
+    error.value = "";
     requestOtp.value = true;
   }
 }

frontend/src/views/ProfileView.vue

@@ -1,22 +1,22 @@
 <script setup lang="ts">
-import { ref, inject, onBeforeMount } from 'vue';
+import { ref, inject, onBeforeMount } from "vue";
 import {
   Auth,
   User,
   check_token,
   isErrorResponse,
   TokenInjectType,
-	Responses
-} from '@/api';
-import { onBeforeRouteUpdate } from 'vue-router';
+  Responses,
+} from "@/api";
+import { onBeforeRouteUpdate } from "vue-router";
 
-const error = ref('');
-const oldPw = ref('');
-const newPw = ref('');
-const newPw2 = ref('');
+const error = ref("");
+const oldPw = ref("");
+const newPw = ref("");
+const newPw2 = ref("");
 const user = ref<Responses.User.UserInfoResponse | null>(null);
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 onBeforeRouteUpdate(async () => {
   await updateProfile();
@@ -48,8 +48,8 @@ async function logoutAll() {
 }
 
 async function changePw() {
-	if (oldPw.value === '' || newPw.value === '' || newPw2.value === '') {
-		error.value = 'Password missing';
+  if (oldPw.value === "" || newPw.value === "" || newPw2.value === "") {
+    error.value = "Password missing";
     return;
   }
   if (newPw.value !== newPw2.value) {
@@ -60,7 +60,7 @@ async function changePw() {
   if (!token) return;
   const res = await Auth.change_password(oldPw.value, newPw.value, token);
   if (isErrorResponse(res))
-		error.value = 'Password change failed: ' + res.message;
+    error.value = "Password change failed: " + res.message;
   else jwt.logout();
 }
 
@@ -76,19 +76,11 @@ async function tfaDisable() {
   <template v-if="user">
     <div v-if="error !== ''" v-text="error"></div>
     <div>User: {{ user.name }}</div>
-		<div>Signed in with {{ user.gitlab ? 'gitlab' : 'password' }}</div>
+    <div>Signed in with {{ user.gitlab ? "gitlab" : "password" }}</div>
     <template v-if="!user.gitlab">
       <div>
-				<input
-					type="password"
-					placeholder="Old password"
-					v-model="oldPw"
-				/>
-				<input
-					type="password"
-					placeholder="New password"
-					v-model="newPw"
-				/>
+        <input type="password" placeholder="Old password" v-model="oldPw" />
+        <input type="password" placeholder="New password" v-model="newPw" />
         <input
           type="password"
           placeholder="Repeat new password"
@@ -99,15 +91,11 @@ async function tfaDisable() {
       <div>
         <div>
           2 Factor authentication:
-					{{ user.tfaEnabled ? 'Enabled' : 'Disabled' }}
+          {{ user.tfaEnabled ? "Enabled" : "Disabled" }}
         </div>
         <div>
-					<a href="#" v-if="user.tfaEnabled" @click="tfaDisable">
-						Disable
-					</a>
-					<router-link to="/profile/2fa-enable" v-else>
-						Enable
-					</router-link>
+          <a href="#" v-if="user.tfaEnabled" @click="tfaDisable"> Disable </a>
+          <router-link to="/profile/2fa-enable" v-else> Enable </router-link>
         </div>
       </div>
     </template>

frontend/src/views/SetTokenView.vue

@@ -1,15 +1,15 @@
 <script setup lang="ts">
-import { inject } from 'vue';
-import { TokenInjectType } from '@/api';
-import { useRoute, useRouter } from 'vue-router';
+import { inject } from "vue";
+import { TokenInjectType } from "@/api";
+import { useRoute, useRouter } from "vue-router";
 
 const router = useRouter();
 const route = useRoute();
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
-if ('token' in route.query) jwt.setToken(route.query['token'] as string);
-router.replace({ path: '/' });
+if ("token" in route.query) jwt.setToken(route.query["token"] as string);
+router.replace({ path: "/" });
 </script>
 
 <template>

frontend/src/views/SignupView.vue

@@ -1,15 +1,15 @@
 <script setup lang="ts">
-import { ref } from 'vue';
-import { Auth, isErrorResponse } from '@/api';
+import { ref } from "vue";
+import { Auth, isErrorResponse } from "@/api";
 
-const username = ref('');
-const password = ref('');
-const password2 = ref('');
-const error = ref('');
+const username = ref("");
+const password = ref("");
+const password2 = ref("");
+const error = ref("");
 
 async function signup() {
-	if (username.value === '' || password.value === '') {
-		error.value = 'Email and/or Password missing';
+  if (username.value === "" || password.value === "") {
+    error.value = "Email and/or Password missing";
     return;
   }
   if (password.value !== password2.value) {
@@ -18,8 +18,8 @@ async function signup() {
   }
   const res = await Auth.auth_signup(username.value, password.value);
   error.value = isErrorResponse(res)
-		? 'Signup failed: ' + res.message
-		: 'Signup successful, please wait till an admin unlocks your account.';
+    ? "Signup failed: " + res.message
+    : "Signup successful, please wait till an admin unlocks your account.";
 }
 </script>
 

frontend/src/views/TFAView.vue

@@ -1,31 +1,31 @@
 <script setup lang="ts">
-import { ref, inject } from 'vue';
-import { Auth, check_token, isErrorResponse, TokenInjectType } from '@/api';
+import { ref, inject } from "vue";
+import { Auth, check_token, isErrorResponse, TokenInjectType } from "@/api";
 
 enum state {
   SELECT,
   MAIL,
-	TOTP
+  TOTP,
 }
 
 const currentState = ref<state>(state.SELECT);
 
-const error = ref('');
-const qrImage = ref('');
-const secret = ref('');
-const code = ref('');
+const error = ref("");
+const qrImage = ref("");
+const secret = ref("");
+const code = ref("");
 
-const jwt = inject<TokenInjectType>('jwt') as TokenInjectType;
+const jwt = inject<TokenInjectType>("jwt") as TokenInjectType;
 
 async function selectMail() {
   const token = await check_token(jwt);
   if (!token) return;
-	error.value = 'Working...';
+  error.value = "Working...";
   const res = await Auth.tfa_setup(true, token);
   if (isErrorResponse(res))
-		error.value = 'Failed to select 2fa type: ' + res.message;
+    error.value = "Failed to select 2fa type: " + res.message;
   else {
-		error.value = '';
+    error.value = "";
     currentState.value = state.MAIL;
   }
 }
@@ -33,14 +33,14 @@ async function selectMail() {
 async function selectTotp() {
   const token = await check_token(jwt);
   if (!token) return;
-	error.value = 'Working...';
+  error.value = "Working...";
   const res = await Auth.tfa_setup(false, token);
   if (isErrorResponse(res))
-		error.value = 'Failed to select 2fa type: ' + res.message;
+    error.value = "Failed to select 2fa type: " + res.message;
   else {
     qrImage.value = res.qrCode;
     secret.value = res.secret;
-		error.value = '';
+    error.value = "";
     currentState.value = state.TOTP;
   }
 }
@@ -48,14 +48,14 @@ async function selectTotp() {
 async function submit() {
   const token = await check_token(jwt);
   if (!token) return;
-	error.value = 'Working...';
+  error.value = "Working...";
   const res = await Auth.tfa_complete(
     currentState.value === state.MAIL,
     code.value,
     token
   );
   if (isErrorResponse(res))
-		error.value = 'Failed to submit code: ' + res.message;
+    error.value = "Failed to submit code: " + res.message;
   else jwt.logout();
 }
 </script>

frontend/vue.config.js

@@ -1,12 +1,12 @@
-const { defineConfig } = require('@vue/cli-service');
+const { defineConfig } = require("@vue/cli-service");
 module.exports = defineConfig({
   transpileDependencies: true,
   configureWebpack: {
     resolve: {
       fallback: {
         crypto: false,
-				stream: require.resolve('stream-browserify')
-			}
-		}
-	}
+        stream: require.resolve("stream-browserify"),
+      },
+    },
+  },
 });

old_backend/.eslintrc.js

@@ -0,0 +1,29 @@
+module.exports = {
+	parser: '@typescript-eslint/parser',
+	parserOptions: {
+		project: 'tsconfig.json',
+		tsconfigRootDir: __dirname,
+		sourceType: 'module',
+	},
+	plugins: ['@typescript-eslint/eslint-plugin', 'no-relative-import-paths'],
+	extends: [
+		'plugin:@typescript-eslint/recommended',
+		'plugin:prettier/recommended',
+	],
+	root: true,
+	env: {
+		node: true,
+		jest: true,
+	},
+	ignorePatterns: ['.eslintrc.js'],
+	rules: {
+		'@typescript-eslint/interface-name-prefix': 'off',
+		'@typescript-eslint/explicit-function-return-type': 'off',
+		'@typescript-eslint/explicit-module-boundary-types': 'off',
+		'@typescript-eslint/no-explicit-any': 'off',
+		'no-relative-import-paths/no-relative-import-paths': [
+			'error',
+			{ 'allowSameFolder': true, 'rootDir': 'src' }
+		]
+	},
+};

old_backend/.gitignore

@@ -0,0 +1,401 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### VisualStudio template
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+coverage/
+
+### macOS template
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+=======
+# Local
+.env
+dist
+
+files
+sqlite.db

old_backend/.gitlab-ci.yml

@@ -0,0 +1,114 @@
+image: node:latest
+
+stages:
+    - setup
+    - test
+    - build
+    - package
+
+cache: &global_cache
+    paths:
+        - .yarn
+        - node_modules
+        - frontend/.yarn
+        - frontend/node_modules
+    policy: pull
+
+before_script:
+    - yarn install --cache-folder .yarn --frozen-lockfile
+    - cd frontend
+    - yarn install --cache-folder .yarn --frozen-lockfile
+    - cd ..
+
+.dto_artifacts_need: &dto_artifacts_need
+    job: test_build_dto
+    artifacts: true
+
+test_build_dto:
+    stage: setup
+    cache:
+        <<: *global_cache
+        policy: pull-push
+    before_script: []
+    script:
+        - cd dto
+        - yarn install --frozen-lockfile
+        - yarn lint
+        - yarn build
+        - cd ..
+        - yarn install --cache-folder .yarn --frozen-lockfile
+        - yarn add ./dto
+        - cd frontend
+        - yarn install --cache-folder .yarn --frozen-lockfile
+        - yarn add ../dto
+    artifacts:
+        paths:
+            - dto/lib/
+
+
+test_backend:
+    needs:
+        - *dto_artifacts_need
+    stage: test
+    script:
+        - yarn lint
+
+test_frontend:
+    needs:
+        - *dto_artifacts_need
+    stage: test
+    script:
+        - cd frontend
+        - yarn lint
+
+build_backend:
+    stage: build
+    needs:
+        - *dto_artifacts_need
+        - job: test_backend
+          artifacts: false
+    script:
+        - echo This has to work till I rewrite the backend
+        - false && echo
+        - yarn webpack
+    artifacts:
+        paths:
+            - dist/
+        expire_in: 1h
+
+build_frontend:
+    stage: build
+    needs:
+        - *dto_artifacts_need
+        - job: test_frontend
+          artifacts: false
+    script:
+        - cd frontend
+        - yarn build
+    artifacts:
+        paths:
+            - frontend/dist/
+        expire_in: 1h
+
+package_server:
+    stage: package
+    cache: []
+    before_script: []
+    needs:
+        - job: build_backend
+          artifacts: true
+        - job: build_frontend
+          artifacts: true
+    script:
+        - TMP=$(mktemp -d)
+        - mv dist/* "$TMP"
+        - mkdir "$TMP/frontend"
+        - mv frontend/dist/* "$TMP/frontend"
+        - rm -r *
+        - rm -r .* || true
+        - mv "$TMP/"* .
+    artifacts:
+        paths:
+            - package.json
+            - server.js
+            - frontend/

old_backend/.prettierrc

@@ -0,0 +1,7 @@
+{
+	"tabWidth": 4,
+	"useTabs": true,
+	"singleQuote": true,
+	"trailingComma": "none",
+	"endOfLine": "lf"
+}

old_backend/README.md

@@ -0,0 +1,19 @@
+# Mutzi's fileserver
+
+## Description
+The most crackhead fileserver you will find on the market
+
+## Installation
+```bash
+npm install
+cd frontend && npm install
+```
+
+## Running the app
+```bash
+npm run start:dev
+```
+Run in parallel for building the frontend:
+````bash
+cd frontend && npm run serve
+````

old_backend/nest-cli.json

@@ -0,0 +1,9 @@
+{
+	"$schema": "https://json.schemastore.org/nest-cli",
+	"collection": "@nestjs/schematics",
+	"monorepo": true,
+	"sourceRoot": "src",
+	"compilerOptions": {
+		"tsConfigPath": "tsconfig.json"
+	}
+}

old_backend/package.json

@@ -0,0 +1,122 @@
+{
+	"name": "fileserver",
+	"private": true,
+	"version": "1.0.0",
+	"description": "Crackhead fileserver",
+	"license": "MIT",
+	"scripts": {
+		"prebuild": "rimraf dist",
+		"build": "nest build",
+		"format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+		"start": "nest start",
+		"start:dev": "nest start --watch",
+		"lint": "eslint \"src/**/*.ts\"",
+		"lint-fix": "eslint \"src/**/*.ts\" --fix",
+		"test": "jest",
+		"test:watch": "jest --watch",
+		"test:cov": "jest --coverage",
+		"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+		"test:e2e": "jest --config ./test/jest-e2e.json",
+		"genapi": "ts-node tools/apigen.ts",
+		"updateDto": "cd dto && yarn build && cd .. && yarn add ./dto && cd frontend && yarn add ../dto",
+		"lint-fix-all": "yarn lint-fix && cd dto && yarn lint-fix && cd ../frontend && yarn lint --fix"
+	},
+	"dependencies": {
+		"@fastify/multipart": "^7.1.0",
+		"@fastify/static": "^6.5.0",
+		"@nestjs/common": "^9.0.8",
+		"@nestjs/core": "^9.0.8",
+		"@nestjs/jwt": "^9.0.0",
+		"@nestjs/passport": "^9.0.0",
+		"@nestjs/platform-fastify": "^9.0.8",
+		"@nestjs/serve-static": "^3.0.0",
+		"@nestjs/typeorm": "^9.0.0",
+		"argon2": "^0.28.7",
+		"axios": "^0.27.2",
+		"class-transformer": "^0.5.1",
+		"class-validator": "^0.13.2",
+		"jsonwebtoken": "^8.5.1",
+		"nodemailer": "^6.7.8",
+		"notp": "^2.0.3",
+		"passport": "^0.6.0",
+		"passport-jwt": "^4.0.0",
+		"passport-local": "^1.0.0",
+		"qrcode": "^1.5.1",
+		"reflect-metadata": "^0.1.13",
+		"rxjs": "^7.5.6",
+		"sqlite3": "^5.0.11",
+		"thirty-two": "^1.0.2",
+		"typeorm": "^0.3.7"
+	},
+	"runtimeDependencies": [
+		"@fastify/multipart",
+		"@fastify/static",
+		"@nestjs/common",
+		"@nestjs/core",
+		"@nestjs/platform-fastify",
+		"@nestjs/serve-static",
+		"argon2",
+		"class-transformer",
+		"class-validator",
+		"reflect-metadata",
+		"rxjs",
+		"sqlite3",
+		"typeorm"
+	],
+	"devDependencies": {
+		"@nestjs/cli": "^9.0.0",
+		"@nestjs/schematics": "^9.0.1",
+		"@nestjs/testing": "^9.0.8",
+		"@types/express": "^4.17.13",
+		"@types/jest": "^28.1.6",
+		"@types/jsonwebtoken": "^8.5.8",
+		"@types/node": "^18.6.5",
+		"@types/nodemailer": "^6.4.5",
+		"@types/notp": "^2.0.2",
+		"@types/passport-jwt": "^3.0.6",
+		"@types/passport-local": "^1.0.34",
+		"@types/qrcode": "^1.5.0",
+		"@types/supertest": "^2.0.12",
+		"@types/webpack": "^5.28.0",
+		"@types/webpack-node-externals": "^2.5.3",
+		"@typescript-eslint/eslint-plugin": "^5.33.0",
+		"@typescript-eslint/parser": "^5.33.0",
+		"@typescript-eslint/typescript-estree": "^5.33.0",
+		"copy-webpack-plugin": "^11.0.0",
+		"eslint": "^8.21.0",
+		"eslint-config-prettier": "^8.5.0",
+		"eslint-plugin-no-relative-import-paths": "^1.4.0",
+		"eslint-plugin-prettier": "^4.2.1",
+		"jest": "^28.1.3",
+		"prettier": "^2.7.1",
+		"rimraf": "^3.0.2",
+		"source-map-support": "^0.5.21",
+		"supertest": "^6.2.4",
+		"ts-jest": "^28.0.7",
+		"ts-loader": "^9.3.1",
+		"ts-node": "^10.9.1",
+		"tsconfig-paths": "^4.1.0",
+		"tsconfig-paths-webpack-plugin": "^4.0.0",
+		"typescript": "^4.7.4",
+		"webpack": "^5.74.0",
+		"webpack-cli": "^4.10.0",
+		"webpack-node-externals": "^3.0.0"
+	},
+	"jest": {
+		"moduleFileExtensions": [
+			"js",
+			"json",
+			"ts"
+		],
+		"rootDir": "src",
+		"testRegex": ".*\\.spec\\.ts$",
+		"transform": {
+			"^.+\\.(t|j)s$": "ts-jest"
+		},
+		"collectCoverageFrom": [
+			"**/*.(t|j)s"
+		],
+		"coverageDirectory": "../coverage",
+		"testEnvironment": "node"
+	}
+}

old_backend/requests.http

@@ -0,0 +1,36 @@
+### Create account
+POST http://127.0.0.1:8080/api/auth/signup
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "123"}
+
+### Wrong authenctication
+POST http://127.0.0.1:8080/api/auth/login
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "this is not correct"}
+
+### Correct authentication
+POST http://127.0.0.1:8080/api/auth/login
+Content-Type: application/json
+
+{"username": "root@mattv.de", "password": "123"}
+
+> {% client.global.set("auth_token", response.body.jwt); %}
+
+### Check if authenticated with admin perms
+GET http://127.0.0.1:8080/test/hello2
+Authorization: Bearer {{auth_token}}
+
+
+### Refresh token
+POST http://127.0.0.1:8080/api/auth/refresh
+Authorization: Bearer {{auth_token}}
+
+### A
+POST https://ssh.gitlab.mattv.de/oauth/token
+?redirect_uri=http%3A//127.0.0.1%3A1234/api/auth/gitlab_callback
+&client_id=98bcbad78cb1f880d1d1de62291d70a791251a7bea077bfe7df111ef3c115760
+&client_secret=7ee01d2b204aff3a05f9d028f004d169b6d381ec873e195f314b3935fa150959
+&code=b96f91b171cf23245ea08c6f35c3831698e8683c6d0306de1396507f0f51d4c7
+&grant_type=authorization_code

old_backend/src/controller/filesystem.ts

@@ -0,0 +1,28 @@
+import {
+	Body,
+	Controller,
+	Get,
+	Param,
+	ParseIntPipe,
+	Post,
+	Request,
+	StreamableFile,
+	ValidationPipe
+} from '@nestjs/common';
+import { Responses, Requests, validateAsyncInline, UserRole } from '../../dto';
+import FileSystemService from 'services/filesystem';
+import { Role } from 'authguards';
+
+@Controller('api/fs')
+export default class FileSystemController {
+	constructor(private fsService: FileSystemService) {}
+
+	@Post('download')
+	@Role(UserRole.USER)
+	async download(
+		@Request() req,
+		@Body('id', ParseIntPipe) id
+	): Promise<StreamableFile> {
+		return this.fsService.downloadFile(id, req.user);
+	}
+}

old_backend/src/services/filesystem.ts

@@ -0,0 +1,32 @@
+import {
+	BadRequestException,
+	Injectable,
+	NotImplementedException,
+	StreamableFile,
+	UnauthorizedException
+} from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { INode, User } from 'entities';
+import { Repository } from 'typeorm';
+import { Multipart } from '@fastify/multipart';
+import { pipeline } from 'stream/promises';
+import { createReadStream, createWriteStream, statSync, unlink } from 'fs';
+import { Writable } from 'stream';
+
+@Injectable()
+export default class FileSystemService {
+	constructor(
+		@InjectRepository(INode)
+		private inodeRepo: Repository<INode>
+	) {}
+
+	async downloadFile(id: number, user: User): Promise<StreamableFile> {
+		const node = await this.getNodeAndValidate(id, user);
+		if (!node.isFile) throw new NotImplementedException();
+		const stats = statSync(`files/${node.id}`);
+		return new StreamableFile(createReadStream(`files/${node.id}`), {
+			disposition: `attachment; filename="${node.name}"`,
+			length: stats.size
+		});
+	}
+}

old_backend/tools/apigen.ts

@@ -35,10 +35,16 @@ class BetterWritable {
 		this.indent--;
 		this.write(data);
 	}
+	writeDecInc(data: string) {
+		this.indent--;
+		this.write(data);
+		this.indent++;
+	}
 }
 
 interface Outputable {
 	write(s: BetterWritable);
+	writeJsonAs(ns: string, s: BetterWritable);
 }
 
 class CppProp {
@@ -48,23 +54,55 @@ class CppProp {
 	entry: string;
 }
 
+// template <> inline dto::Requests::Auth::LoginRequest Json::Value::as<dto::Requests::Auth::LoginRequest>() const { return asFloat(); }
+
 class CppClass implements Outputable {
 	constructor(name: string) {
 		this.name = name;
 	}
+	type = 'class' as const;
 	name: string;
 	sub: string[] = [];
 	entries: CppProp[] = [];
 
 	write(s: BetterWritable) {
 		let name = `struct ${this.name}`;
-		if (this.sub.length > 0) name += ' : ' + this.sub.join(', ');
-		if (this.entries.length == 0) s.write(`${name} {}`);
-		else {
+		if (this.sub.length > 0)
+			name += ' : public ' + this.sub.join(', public ');
 		s.writeInc(`${name} {`);
+		if (this.sub.length == 0) {
+			s.write(`${this.name}() = default;`);
+			s.writeInc(`explicit ${this.name}(const Json::Value& j) {`);
+		} else {
+			s.writeInc(`${this.name}() :`);
+			this.sub.forEach((sub) => {
+				s.write(`${sub}()`);
+			});
+			s.writeDec('{}');
+			s.writeInc(`explicit ${this.name}(const Json::Value& j) :`);
+			this.sub.forEach((sub) => {
+				s.write(`${sub}(j)`);
+			});
+			s.writeDecInc('{');
+		}
+		this.entries.forEach((e) => {
+			const [type, name] = e.entry.split(' ');
+			const opt_match = /std::optional<([a-z:<>]+)>/.exec(type);
+			if (opt_match !== null)
+				s.write(
+					`this->${name} = json_get_optional<${opt_match[1]}>(j, "${name}");`
+				);
+			else s.write(`this->${name} = j["${name}"].as<${type}>();`);
+		});
+		s.writeDec('}');
 		this.entries.forEach((e) => s.write(`${e.entry};`));
 		s.writeDec('};');
 	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		s.write(
+			`template <> inline ${ns}${this.name} Json::Value::as() const { return ${ns}${this.name}(*this); }`
+		);
 	}
 }
 
@@ -72,22 +110,32 @@ class CppEnum implements Outputable {
 	constructor(name: string) {
 		this.name = name;
 	}
+	type = 'enum' as const;
 	name: string;
 	entries: CppProp[] = [];
 
 	write(s: BetterWritable) {
-		s.writeInc(`enum ${this.name} {`);
+		return;
+		s.writeInc(`enum ${this.name} : int {`);
 		this.entries.forEach((e, idx, arr) =>
 			s.write(`${e.entry}${idx === arr.length - 1 ? '' : ','}`)
 		);
 		s.writeDec('};');
 	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		return;
+		s.write(
+			`template <> inline ${ns}${this.name} Json::Value::as() const { return (${ns}${this.name})(asInt()); }`
+		);
+	}
 }
 
 class CppNamespace implements Outputable {
 	constructor(name: string) {
 		this.name = name;
 	}
+	type = 'ns' as const;
 	name: string;
 	body: (CppNamespace | CppClass | CppEnum)[] = [];
 
@@ -96,56 +144,57 @@ class CppNamespace implements Outputable {
 		this.body.forEach((b) => b.write(s));
 		s.writeDec('}');
 	}
+
+	writeJsonAs(ns: string, s: BetterWritable) {
+		ns += `${this.name}::`;
+		this.body.forEach((b) => b.writeJsonAs(ns, s));
+	}
 }
 
 function _getCppType(
 	t: TypeNode
-): string | ((opt: boolean, name: string) => string) {
+): null | string | ((opt: boolean, name: string) => string) {
 	switch (t.type) {
 		case AST_NODE_TYPES.TSStringKeyword:
 			return 'std::string';
 		case AST_NODE_TYPES.TSBooleanKeyword:
 			return 'bool';
 		case AST_NODE_TYPES.TSNumberKeyword:
-			return 'long';
+			return 'int';
 		case AST_NODE_TYPES.TSTypeReference:
 			if (t.typeName.type != AST_NODE_TYPES.Identifier) throw new Err(t);
 			return t.typeName.name;
 		case AST_NODE_TYPES.TSLiteralType:
-			if (t.literal.type != AST_NODE_TYPES.Literal) throw new Err(t);
-			return (opt, name) => `${name} = ${(t.literal as a.Literal).raw}`;
+			return null;
 		case AST_NODE_TYPES.TSUnionType:
 			return _getCppType(t.types[0]);
 		case AST_NODE_TYPES.TSArrayType:
-			return (opt, name) =>
-				opt
-					? `std::optional<${_getCppType(t.elementType)}[]> ${name}`
-					: `${getCppType(false, name, t.elementType)}[]`;
+			return `std::vector<${_getCppType(t.elementType)}>`;
 		default:
 			throw new Err(t);
 	}
 }
 
-function getCppType(opt: boolean, name: string, t: TypeNode): string {
+function getCppType(opt: boolean, name: string, t: TypeNode): null | string {
 	let ret = _getCppType(t);
+	if (typeof ret === 'function') return `${ret(opt, name)}`;
 	if (typeof ret === 'string') {
 		if (opt) ret = `std::optional<${ret}>`;
 		return `${ret} ${name}`;
-	} else return `${ret(opt, name)}`;
+	} else return ret;
 }
 
 function handleClassProperty(
 	prop: a.PropertyDefinitionComputedName | a.PropertyDefinitionNonComputedName
-): CppProp {
+): CppProp | null {
 	if (prop.key.type != AST_NODE_TYPES.Identifier) throw new Err(prop);
 	if (!prop.typeAnnotation) throw new Err(prop);
-	return new CppProp(
-		getCppType(
+	const type = getCppType(
 		prop.optional && prop.optional,
 		prop.key.name,
 		prop.typeAnnotation.typeAnnotation
-		)
 	);
+	return type === null ? null : new CppProp(type);
 }
 
 function handleClass(
@@ -160,13 +209,14 @@ function handleClass(
 	}
 	dec.body.body.forEach((inner) => {
 		if (inner.type == AST_NODE_TYPES.PropertyDefinition) {
-			cls.entries.push(handleClassProperty(inner));
+			const prop = handleClassProperty(inner);
+			if (prop) cls.entries.push(prop);
 		} else if (
 			inner.type == AST_NODE_TYPES.MethodDefinition &&
 			inner.key.type == AST_NODE_TYPES.Identifier &&
 			inner.key.name === 'constructor'
 		)
-			console.warn('Handle constructors?');
+			return;
 		else throw new Err(inner);
 	});
 	return cls;
@@ -240,8 +290,17 @@ function parseFile(ns: CppNamespace, file: string) {
 }
 
 const globalNamespace = new CppNamespace('dto');
-parseFile(globalNamespace, 'dto/index.ts');
+parseFile(globalNamespace, '../dto/index.ts');
 
-const output_stream = fs.createWriteStream('dto.h');
-output_stream.write('#include <string>\n#include <optional>\n\n');
-globalNamespace.write(new BetterWritable(output_stream));
+const output_stream = fs.createWriteStream('../backend/src/dto.h');
+output_stream.write(
+	'#pragma once\n\n' +
+		'#include <string>\n' +
+		'#include <optional>\n' +
+		'#include <vector>\n' +
+		'#include <json/allocator.h>\n' +
+		'#include "dto_extras.h"\n\n'
+);
+const output = new BetterWritable(output_stream);
+globalNamespace.write(output);
+globalNamespace.writeJsonAs('', output);

old_backend/tsconfig.json

@@ -0,0 +1,19 @@
+{
+	"compilerOptions": {
+		"module": "commonjs",
+		"declaration": false,
+		"removeComments": true,
+		"emitDecoratorMetadata": true,
+		"experimentalDecorators": true,
+		"allowSyntheticDefaultImports": true,
+		"target": "es2017",
+		"sourceMap": true,
+		"outDir": "./dist",
+		"baseUrl": "./src",
+		"incremental": true,
+		"skipLibCheck": true,
+		"resolveJsonModule": true,
+		"strictPropertyInitialization": false
+	},
+	"exclude": ["node_modules", "dist", "test", "**/*spec.ts", "frontend"]
+}