637 lines
19 KiB
Go
637 lines
19 KiB
Go
/*
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* Copyright 2026 Safronov Grigorii
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*
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* Licensed under the CDDL, Version 1.0 (the "License");
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* you may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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* https://opensource.org/licenses/CDDL-1.0
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*/
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// Файл: internal/api/webui.go
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// Назначение: Веб-интерфейс в стиле dashboard для управления СУБД futriis
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package api
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import (
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"embed"
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"encoding/json"
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"fmt"
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"io/fs"
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"net/http"
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"strconv"
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"strings"
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"time"
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"futriis/internal/acl"
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"futriis/internal/cluster"
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"futriis/internal/log"
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"futriis/internal/storage"
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)
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//go:embed static/*
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var staticFiles embed.FS
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// WebUIServer представляет сервер веб-интерфейса
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type WebUIServer struct {
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store *storage.Storage
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coordinator *cluster.RaftCoordinator
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aclManager *acl.ACLManager
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logger *log.Logger
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server *http.Server
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port int
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enabled bool
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}
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// NewWebUIServer создаёт новый веб-сервер интерфейса
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func NewWebUIServer(port int, enabled bool, store *storage.Storage, coord *cluster.RaftCoordinator, aclMgr *acl.ACLManager, logger *log.Logger) *WebUIServer {
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return &WebUIServer{
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store: store,
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coordinator: coord,
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aclManager: aclMgr,
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logger: logger,
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port: port,
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enabled: enabled,
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}
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}
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// Start запускает веб-сервер интерфейса
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func (w *WebUIServer) Start() error {
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if !w.enabled {
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w.logger.Info("Web UI is disabled in configuration")
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return nil
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}
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mux := http.NewServeMux()
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// Статические файлы
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staticFS, err := fs.Sub(staticFiles, "static")
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if err != nil {
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return fmt.Errorf("failed to load static files: %v", err)
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}
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mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(staticFS))))
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// Главная страница
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mux.HandleFunc("/", w.handleIndex)
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// API для веб-интерфейса
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mux.HandleFunc("/api/webui/databases", w.handleGetDatabases)
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mux.HandleFunc("/api/webui/collections/", w.handleGetCollections)
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mux.HandleFunc("/api/webui/documents/", w.handleDocuments)
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mux.HandleFunc("/api/webui/cluster/status", w.handleClusterStatus)
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mux.HandleFunc("/api/webui/cluster/nodes", w.handleClusterNodes)
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mux.HandleFunc("/api/webui/stats", w.handleStats)
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mux.HandleFunc("/api/webui/login", w.handleWebLogin)
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mux.HandleFunc("/api/webui/logout", w.handleWebLogout)
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mux.HandleFunc("/api/webui/session", w.handleSessionCheck)
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w.server = &http.Server{
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Addr: fmt.Sprintf(":%d", w.port),
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Handler: mux,
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ReadTimeout: 30 * time.Second,
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WriteTimeout: 30 * time.Second,
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}
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w.logger.Info(fmt.Sprintf("Web UI started on port %d", w.port))
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return w.server.ListenAndServe()
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}
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// Stop останавливает веб-сервер
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func (w *WebUIServer) Stop() error {
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if w.server != nil {
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return w.server.Close()
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}
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return nil
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}
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// handleIndex возвращает главную HTML страницу
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func (w *WebUIServer) handleIndex(wr http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/" {
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http.NotFound(wr, r)
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return
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}
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html := `<!DOCTYPE html>
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<html lang="ru">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>Futriis Database Management System</title>
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<link rel="stylesheet" href="/static/style.css">
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<link href="https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap" rel="stylesheet">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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</head>
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<body>
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<div class="dashboard-container">
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<!-- Вертикальное меню -->
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<nav class="sidebar">
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<div class="sidebar-header">
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<div class="logo">
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<i class="fas fa-database"></i>
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<span>Futriis DB</span>
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</div>
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<button class="menu-toggle" id="menuToggle">
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<i class="fas fa-bars"></i>
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</button>
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</div>
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<ul class="nav-menu">
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<li class="nav-item">
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<a href="#" class="nav-link" data-section="dashboard">
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<i class="fas fa-tachometer-alt"></i>
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<span>Панель управления</span>
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</a>
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</li>
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<li class="nav-item has-submenu">
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<a href="#" class="nav-link" data-submenu="crud">
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<i class="fas fa-table"></i>
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<span>Управление СУБД</span>
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<i class="fas fa-chevron-down"></i>
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</a>
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<ul class="submenu">
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<li><a href="#" data-action="create-db"><i class="fas fa-plus-circle"></i>Создать БД</a></li>
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<li><a href="#" data-action="create-collection"><i class="fas fa-layer-group"></i>Создать коллекцию</a></li>
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<li><a href="#" data-action="insert-doc"><i class="fas fa-file-import"></i>Вставить документ</a></li>
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<li><a href="#" data-action="find-doc"><i class="fas fa-search"></i>Найти документ</a></li>
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<li><a href="#" data-action="update-doc"><i class="fas fa-edit"></i>Обновить документ</a></li>
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<li><a href="#" data-action="delete-doc"><i class="fas fa-trash-alt"></i>Удалить документ</a></li>
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</ul>
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</li>
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<li class="nav-item">
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<a href="#" class="nav-link" data-section="cluster">
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<i class="fas fa-network-wired"></i>
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<span>Управление кластером</span>
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</a>
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</li>
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<li class="nav-item">
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<a href="#" class="nav-link" data-section="audit">
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<i class="fas fa-history"></i>
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<span>Аудит</span>
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</a>
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</li>
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<li class="nav-item">
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<a href="#" class="nav-link" data-section="settings">
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<i class="fas fa-cog"></i>
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<span>Настройки</span>
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</a>
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</li>
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</ul>
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<div class="sidebar-footer">
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<div class="user-info" id="userInfo">
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<i class="fas fa-user-circle"></i>
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<span>Гость</span>
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</div>
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<button class="logout-btn" id="logoutBtn">
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<i class="fas fa-sign-out-alt"></i>
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<span>Выход</span>
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</button>
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</div>
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</nav>
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<!-- Основной контент -->
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<main class="main-content">
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<header class="top-bar">
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<h1 id="pageTitle">Панель управления</h1>
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<div class="connection-status" id="connectionStatus">
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<i class="fas fa-circle"></i>
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<span>Подключено</span>
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</div>
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</header>
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<div class="content-area" id="contentArea">
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<!-- Контент загружается динамически -->
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<div class="loading-spinner">
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<i class="fas fa-spinner fa-pulse"></i>
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<p>Загрузка...</p>
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</div>
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</div>
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</main>
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</div>
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<!-- Модальные окна -->
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<div id="modal" class="modal">
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<div class="modal-content">
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<div class="modal-header">
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<h2 id="modalTitle">Заголовок</h2>
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<button class="modal-close">×</button>
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</div>
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<div class="modal-body" id="modalBody">
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<!-- Содержимое модального окна -->
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</div>
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<div class="modal-footer">
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<button class="btn btn-secondary modal-close">Отмена</button>
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<button class="btn btn-primary" id="modalConfirm">Подтвердить</button>
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</div>
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</div>
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</div>
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<!-- Уведомления -->
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<div id="notificationContainer" class="notification-container"></div>
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<script src="/static/app.js"></script>
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</body>
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</html>`
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wr.Header().Set("Content-Type", "text/html; charset=utf-8")
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wr.Write([]byte(html))
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}
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// handleGetDatabases возвращает список баз данных
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func (w *WebUIServer) handleGetDatabases(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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databases := w.store.ListDatabases()
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dbInfo := make([]map[string]interface{}, 0)
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for _, dbName := range databases {
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db, err := w.store.GetDatabase(dbName)
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if err == nil {
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collections := db.ListCollections()
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dbInfo = append(dbInfo, map[string]interface{}{
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"name": dbName,
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"collections": len(collections),
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"collections_list": collections,
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})
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}
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}
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w.sendJSONSuccess(wr, dbInfo)
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}
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// handleGetCollections возвращает список коллекций в базе данных
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func (w *WebUIServer) handleGetCollections(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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path := strings.TrimPrefix(r.URL.Path, "/api/webui/collections/")
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parts := strings.Split(path, "/")
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if len(parts) < 1 || parts[0] == "" {
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w.sendJSONError(wr, "Database name required", http.StatusBadRequest)
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return
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}
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dbName := parts[0]
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db, err := w.store.GetDatabase(dbName)
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if err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusNotFound)
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return
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}
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collections := db.ListCollections()
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collectionsInfo := make([]map[string]interface{}, 0)
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for _, collName := range collections {
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coll, err := db.GetCollection(collName)
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if err == nil {
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collectionsInfo = append(collectionsInfo, map[string]interface{}{
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"name": collName,
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"count": coll.Count(),
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"size": coll.Size(),
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"indexes": coll.GetIndexes(),
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})
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}
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}
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w.sendJSONSuccess(wr, map[string]interface{}{
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"database": dbName,
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"collections": collectionsInfo,
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})
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}
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// handleDocuments обрабатывает CRUD операции с документами
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func (w *WebUIServer) handleDocuments(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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path := strings.TrimPrefix(r.URL.Path, "/api/webui/documents/")
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parts := strings.Split(path, "/")
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if len(parts) < 2 {
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w.sendJSONError(wr, "Invalid path. Use /api/webui/documents/{database}/{collection}", http.StatusBadRequest)
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return
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}
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dbName := parts[0]
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collName := parts[1]
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db, err := w.store.GetDatabase(dbName)
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if err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusNotFound)
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return
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}
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coll, err := db.GetCollection(collName)
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if err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusNotFound)
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return
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}
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switch r.Method {
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case http.MethodGet:
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// Получение документов с пагинацией
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limit := 50
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if limitStr := r.URL.Query().Get("limit"); limitStr != "" {
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if l, err := strconv.Atoi(limitStr); err == nil && l > 0 && l <= 500 {
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limit = l
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}
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}
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offset := 0
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if offsetStr := r.URL.Query().Get("offset"); offsetStr != "" {
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if o, err := strconv.Atoi(offsetStr); err == nil && o >= 0 {
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offset = o
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}
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}
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allDocs := coll.GetAllDocuments()
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start := offset
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end := offset + limit
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if start > len(allDocs) {
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start = len(allDocs)
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}
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if end > len(allDocs) {
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end = len(allDocs)
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}
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docs := make([]map[string]interface{}, 0)
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for _, doc := range allDocs[start:end] {
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docs = append(docs, map[string]interface{}{
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"id": doc.ID,
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"fields": doc.GetFields(),
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"created_at": doc.CreatedAt,
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"updated_at": doc.UpdatedAt,
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"version": doc.Version,
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})
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}
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w.sendJSONSuccess(wr, map[string]interface{}{
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"documents": docs,
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"total": len(allDocs),
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"limit": limit,
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"offset": offset,
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})
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case http.MethodPost:
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// Вставка документа
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var docData map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&docData); err != nil {
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w.sendJSONError(wr, "Invalid JSON", http.StatusBadRequest)
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return
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}
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if err := coll.InsertFromMap(docData); err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusBadRequest)
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return
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}
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w.sendJSONSuccess(wr, map[string]interface{}{
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"status": "inserted",
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"id": docData["_id"],
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})
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case http.MethodPut:
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// Обновление документа
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docID := r.URL.Query().Get("id")
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if docID == "" {
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w.sendJSONError(wr, "Document ID required", http.StatusBadRequest)
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return
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}
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var updates map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
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w.sendJSONError(wr, "Invalid JSON", http.StatusBadRequest)
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return
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}
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if err := coll.Update(docID, updates); err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusBadRequest)
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return
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}
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w.sendJSONSuccess(wr, map[string]interface{}{
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"status": "updated",
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"id": docID,
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})
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case http.MethodDelete:
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// Удаление документа
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docID := r.URL.Query().Get("id")
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if docID == "" {
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w.sendJSONError(wr, "Document ID required", http.StatusBadRequest)
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return
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}
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if err := coll.Delete(docID); err != nil {
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w.sendJSONError(wr, err.Error(), http.StatusNotFound)
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return
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}
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w.sendJSONSuccess(wr, map[string]interface{}{
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"status": "deleted",
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"id": docID,
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})
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default:
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w.sendJSONError(wr, "Method not allowed", http.StatusMethodNotAllowed)
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}
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}
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// handleClusterStatus возвращает статус кластера
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func (w *WebUIServer) handleClusterStatus(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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if w.coordinator == nil {
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w.sendJSONError(wr, "Cluster not available", http.StatusServiceUnavailable)
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return
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}
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status := w.coordinator.GetClusterStatus()
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w.sendJSONSuccess(wr, status)
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}
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// handleClusterNodes возвращает список узлов кластера
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func (w *WebUIServer) handleClusterNodes(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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if w.coordinator == nil {
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w.sendJSONError(wr, "Cluster not available", http.StatusServiceUnavailable)
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return
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}
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nodes := w.coordinator.GetAllNodes()
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w.sendJSONSuccess(wr, nodes)
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}
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// handleStats возвращает статистику системы
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func (w *WebUIServer) handleStats(wr http.ResponseWriter, r *http.Request) {
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if !w.checkAuth(r) {
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w.sendJSONError(wr, "Unauthorized", http.StatusUnauthorized)
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return
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}
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databases := w.store.ListDatabases()
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totalDocs := int64(0)
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totalCollections := 0
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for _, dbName := range databases {
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db, _ := w.store.GetDatabase(dbName)
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if db != nil {
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collections := db.ListCollections()
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totalCollections += len(collections)
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for _, collName := range collections {
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coll, _ := db.GetCollection(collName)
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if coll != nil {
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totalDocs += coll.Count()
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}
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}
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}
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}
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stats := map[string]interface{}{
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"databases": len(databases),
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"collections": totalCollections,
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"documents": totalDocs,
|
||
"storage_used_mb": float64(w.store.GetPageSize()*int64(len(databases))) / (1024 * 1024),
|
||
"uptime_seconds": time.Now().Unix(),
|
||
"cluster_enabled": w.coordinator != nil,
|
||
"replication_factor": 0,
|
||
}
|
||
|
||
if w.coordinator != nil {
|
||
stats["replication_factor"] = w.coordinator.GetReplicationFactor()
|
||
stats["cluster_health"] = w.coordinator.GetClusterStatus().Health
|
||
}
|
||
|
||
w.sendJSONSuccess(wr, stats)
|
||
}
|
||
|
||
// handleWebLogin обрабатывает вход в веб-интерфейс
|
||
func (w *WebUIServer) handleWebLogin(wr http.ResponseWriter, r *http.Request) {
|
||
if r.Method != http.MethodPost {
|
||
w.sendJSONError(wr, "Method not allowed", http.StatusMethodNotAllowed)
|
||
return
|
||
}
|
||
|
||
var creds struct {
|
||
Username string `json:"username"`
|
||
Password string `json:"password"`
|
||
}
|
||
|
||
if err := json.NewDecoder(r.Body).Decode(&creds); err != nil {
|
||
w.sendJSONError(wr, "Invalid request body", http.StatusBadRequest)
|
||
return
|
||
}
|
||
|
||
sessionID, err := w.aclManager.Authenticate(creds.Username, creds.Password)
|
||
if err != nil {
|
||
w.sendJSONError(wr, err.Error(), http.StatusUnauthorized)
|
||
return
|
||
}
|
||
|
||
// Устанавливаем cookie сессии
|
||
http.SetCookie(wr, &http.Cookie{
|
||
Name: "session_id",
|
||
Value: sessionID,
|
||
Path: "/",
|
||
MaxAge: 86400,
|
||
HttpOnly: true,
|
||
SameSite: http.SameSiteLaxMode,
|
||
})
|
||
|
||
w.sendJSONSuccess(wr, map[string]interface{}{
|
||
"session_id": sessionID,
|
||
"username": creds.Username,
|
||
})
|
||
}
|
||
|
||
// handleWebLogout обрабатывает выход из веб-интерфейса
|
||
func (w *WebUIServer) handleWebLogout(wr http.ResponseWriter, r *http.Request) {
|
||
if cookie, err := r.Cookie("session_id"); err == nil {
|
||
w.aclManager.Logout(cookie.Value)
|
||
}
|
||
|
||
http.SetCookie(wr, &http.Cookie{
|
||
Name: "session_id",
|
||
Value: "",
|
||
Path: "/",
|
||
MaxAge: -1,
|
||
HttpOnly: true,
|
||
})
|
||
|
||
w.sendJSONSuccess(wr, map[string]interface{}{
|
||
"status": "logged out",
|
||
})
|
||
}
|
||
|
||
// handleSessionCheck проверяет активность сессии
|
||
func (w *WebUIServer) handleSessionCheck(wr http.ResponseWriter, r *http.Request) {
|
||
sessionID := w.getSessionID(r)
|
||
if sessionID == "" {
|
||
w.sendJSONError(wr, "No session", http.StatusUnauthorized)
|
||
return
|
||
}
|
||
|
||
if !w.aclManager.CheckSession(sessionID) {
|
||
w.sendJSONError(wr, "Invalid session", http.StatusUnauthorized)
|
||
return
|
||
}
|
||
|
||
username := w.aclManager.GetUsername(sessionID)
|
||
w.sendJSONSuccess(wr, map[string]interface{}{
|
||
"authenticated": true,
|
||
"username": username,
|
||
})
|
||
}
|
||
|
||
// checkAuth проверяет аутентификацию
|
||
func (w *WebUIServer) checkAuth(r *http.Request) bool {
|
||
sessionID := w.getSessionID(r)
|
||
if sessionID == "" {
|
||
return false
|
||
}
|
||
return w.aclManager.CheckSession(sessionID)
|
||
}
|
||
|
||
// getSessionID возвращает ID сессии из cookie
|
||
func (w *WebUIServer) getSessionID(r *http.Request) string {
|
||
if cookie, err := r.Cookie("session_id"); err == nil {
|
||
return cookie.Value
|
||
}
|
||
return ""
|
||
}
|
||
|
||
// sendJSONSuccess отправляет успешный JSON ответ
|
||
func (w *WebUIServer) sendJSONSuccess(wr http.ResponseWriter, data interface{}) {
|
||
wr.Header().Set("Content-Type", "application/json")
|
||
wr.WriteHeader(http.StatusOK)
|
||
json.NewEncoder(wr).Encode(map[string]interface{}{
|
||
"success": true,
|
||
"data": data,
|
||
})
|
||
}
|
||
|
||
// sendJSONError отправляет JSON ответ с ошибкой
|
||
func (w *WebUIServer) sendJSONError(wr http.ResponseWriter, errMsg string, statusCode int) {
|
||
wr.Header().Set("Content-Type", "application/json")
|
||
wr.WriteHeader(statusCode)
|
||
json.NewEncoder(wr).Encode(map[string]interface{}{
|
||
"success": false,
|
||
"error": errMsg,
|
||
})
|
||
}
|