const fs = require("fs"); const { R } = require("redbean-node"); const { setSetting, setting } = require("./util-server"); const { log, sleep } = require("../src/util"); const knex = require("knex"); const path = require("path"); const { EmbeddedMariaDB } = require("./embedded-mariadb"); const mysql = require("mysql2/promise"); /** * Database & App Data Folder */ class Database { /** * Boostrap database for SQLite * @type {string} */ static templatePath = "./db/kuma.db"; /** * Data Dir (Default: ./data) * @type {string} */ static dataDir; /** * User Upload Dir (Default: ./data/upload) * @type {string} */ static uploadDir; /** * Chrome Screenshot Dir (Default: ./data/screenshots) * @type {string} */ static screenshotDir; /** * SQLite file path (Default: ./data/kuma.db) * @type {string} */ static sqlitePath; /** * For storing Docker TLS certs (Default: ./data/docker-tls) * @type {string} */ static dockerTLSDir; /** * @type {boolean} */ static patched = false; /** * SQLite only * Add patch filename in key * Values: * true: Add it regardless of order * false: Do nothing * { parents: []}: Need parents before add it * @deprecated */ static patchList = { "patch-setting-value-type.sql": true, "patch-improve-performance.sql": true, "patch-2fa.sql": true, "patch-add-retry-interval-monitor.sql": true, "patch-incident-table.sql": true, "patch-group-table.sql": true, "patch-monitor-push_token.sql": true, "patch-http-monitor-method-body-and-headers.sql": true, "patch-2fa-invalidate-used-token.sql": true, "patch-notification_sent_history.sql": true, "patch-monitor-basic-auth.sql": true, "patch-add-docker-columns.sql": true, "patch-status-page.sql": true, "patch-proxy.sql": true, "patch-monitor-expiry-notification.sql": true, "patch-status-page-footer-css.sql": true, "patch-added-mqtt-monitor.sql": true, "patch-add-clickable-status-page-link.sql": true, "patch-add-sqlserver-monitor.sql": true, "patch-add-other-auth.sql": { parents: [ "patch-monitor-basic-auth.sql" ] }, "patch-grpc-monitor.sql": true, "patch-add-radius-monitor.sql": true, "patch-monitor-add-resend-interval.sql": true, "patch-ping-packet-size.sql": true, "patch-maintenance-table2.sql": true, "patch-add-gamedig-monitor.sql": true, "patch-add-google-analytics-status-page-tag.sql": true, "patch-http-body-encoding.sql": true, "patch-add-description-monitor.sql": true, "patch-api-key-table.sql": true, "patch-monitor-tls.sql": true, "patch-maintenance-cron.sql": true, "patch-add-parent-monitor.sql": true, "patch-add-invert-keyword.sql": true, "patch-added-json-query.sql": true, "patch-added-kafka-producer.sql": true, "patch-add-certificate-expiry-status-page.sql": true, "patch-monitor-oauth-cc.sql": true, "patch-add-timeout-monitor.sql": true, "patch-add-gamedig-given-port.sql": true, "patch-notification-config.sql": true, // The last file so far converted to a knex migration file }; /** * The final version should be 10 after merged tag feature * @deprecated Use patchList for any new feature */ static latestVersion = 10; static noReject = true; static dbConfig = {}; static knexMigrationsPath = "./db/knex_migrations"; /** * Initialize the data directory * @param {object} args Arguments to initialize DB with * @returns {void} */ static initDataDir(args) { // Data Directory (must be end with "/") Database.dataDir = process.env.DATA_DIR || args["data-dir"] || "./data/"; Database.sqlitePath = path.join(Database.dataDir, "kuma.db"); if (! fs.existsSync(Database.dataDir)) { fs.mkdirSync(Database.dataDir, { recursive: true }); } Database.uploadDir = path.join(Database.dataDir, "upload/"); if (! fs.existsSync(Database.uploadDir)) { fs.mkdirSync(Database.uploadDir, { recursive: true }); } // Create screenshot dir Database.screenshotDir = path.join(Database.dataDir, "screenshots/"); if (! fs.existsSync(Database.screenshotDir)) { fs.mkdirSync(Database.screenshotDir, { recursive: true }); } Database.dockerTLSDir = path.join(Database.dataDir, "docker-tls/"); if (! fs.existsSync(Database.dockerTLSDir)) { fs.mkdirSync(Database.dockerTLSDir, { recursive: true }); } log.info("server", `Data Dir: ${Database.dataDir}`); } /** * Read the database config * @throws {Error} If the config is invalid * @typedef {string|undefined} envString * @returns {{type: "sqlite"} | {type:envString, hostname:envString, port:envString, database:envString, username:envString, password:envString}} Database config */ static readDBConfig() { let dbConfig; let dbConfigString = fs.readFileSync(path.join(Database.dataDir, "db-config.json")).toString("utf-8"); dbConfig = JSON.parse(dbConfigString); if (typeof dbConfig !== "object") { throw new Error("Invalid db-config.json, it must be an object"); } if (typeof dbConfig.type !== "string") { throw new Error("Invalid db-config.json, type must be a string"); } return dbConfig; } /** * @typedef {string|undefined} envString * @param {{type: "sqlite"} | {type:envString, hostname:envString, port:envString, database:envString, username:envString, password:envString}} dbConfig the database configuration that should be written * @returns {void} */ static writeDBConfig(dbConfig) { fs.writeFileSync(path.join(Database.dataDir, "db-config.json"), JSON.stringify(dbConfig, null, 4)); } /** * Connect to the database * @param {boolean} testMode Should the connection be started in test mode? * @param {boolean} autoloadModels Should models be automatically loaded? * @param {boolean} noLog Should logs not be output? * @returns {Promise} */ static async connect(testMode = false, autoloadModels = true, noLog = false) { const acquireConnectionTimeout = 120 * 1000; let dbConfig; try { dbConfig = this.readDBConfig(); Database.dbConfig = dbConfig; } catch (err) { log.warn("db", err.message); dbConfig = { type: "sqlite", }; } let config = {}; let mariadbPoolConfig = { afterCreate: function (conn, done) { } }; log.info("db", `Database Type: ${dbConfig.type}`); if (dbConfig.type === "sqlite") { if (! fs.existsSync(Database.sqlitePath)) { log.info("server", "Copying Database"); fs.copyFileSync(Database.templatePath, Database.sqlitePath); } const Dialect = require("knex/lib/dialects/sqlite3/index.js"); Dialect.prototype._driver = () => require("@louislam/sqlite3"); config = { client: Dialect, connection: { filename: Database.sqlitePath, acquireConnectionTimeout: acquireConnectionTimeout, }, useNullAsDefault: true, pool: { min: 1, max: 1, idleTimeoutMillis: 120 * 1000, propagateCreateError: false, acquireTimeoutMillis: acquireConnectionTimeout, } }; } else if (dbConfig.type === "mariadb") { if (!/^\w+$/.test(dbConfig.dbName)) { throw Error("Invalid database name. A database name can only consist of letters, numbers and underscores"); } const connection = await mysql.createConnection({ host: dbConfig.hostname, port: dbConfig.port, user: dbConfig.username, password: dbConfig.password, }); await connection.execute("CREATE DATABASE IF NOT EXISTS " + dbConfig.dbName + " CHARACTER SET utf8mb4"); connection.end(); config = { client: "mysql2", connection: { host: dbConfig.hostname, port: dbConfig.port, user: dbConfig.username, password: dbConfig.password, database: dbConfig.dbName, timezone: "+00:00", }, pool: mariadbPoolConfig, }; } else if (dbConfig.type === "embedded-mariadb") { let embeddedMariaDB = EmbeddedMariaDB.getInstance(); await embeddedMariaDB.start(); log.info("mariadb", "Embedded MariaDB started"); config = { client: "mysql2", connection: { socketPath: embeddedMariaDB.socketPath, user: "node", database: "kuma", }, pool: mariadbPoolConfig, }; } else { throw new Error("Unknown Database type: " + dbConfig.type); } // Set to utf8mb4 for MariaDB if (dbConfig.type.endsWith("mariadb")) { config.pool = { afterCreate(conn, done) { conn.query("SET CHARACTER SET utf8mb4;", (err) => done(err, conn)); }, }; } const knexInstance = knex(config); R.setup(knexInstance); if (process.env.SQL_LOG === "1") { R.debug(true); } // Auto map the model to a bean object R.freeze(true); if (autoloadModels) { await R.autoloadModels("./server/model"); } if (dbConfig.type === "sqlite") { await this.initSQLite(testMode, noLog); } else if (dbConfig.type.endsWith("mariadb")) { await this.initMariaDB(); } } /** @param {boolean} testMode Should the connection be started in test mode? @param {boolean} noLog Should logs not be output? @returns {Promise} */ static async initSQLite(testMode, noLog) { await R.exec("PRAGMA foreign_keys = ON"); if (testMode) { // Change to MEMORY await R.exec("PRAGMA journal_mode = MEMORY"); } else { // Change to WAL await R.exec("PRAGMA journal_mode = WAL"); } await R.exec("PRAGMA cache_size = -12000"); await R.exec("PRAGMA auto_vacuum = INCREMENTAL"); // This ensures that an operating system crash or power failure will not corrupt the database. // FULL synchronous is very safe, but it is also slower. // Read more: https://sqlite.org/pragma.html#pragma_synchronous await R.exec("PRAGMA synchronous = NORMAL"); if (!noLog) { log.debug("db", "SQLite config:"); log.debug("db", await R.getAll("PRAGMA journal_mode")); log.debug("db", await R.getAll("PRAGMA cache_size")); log.debug("db", "SQLite Version: " + await R.getCell("SELECT sqlite_version()")); } } /** * Initialize MariaDB * @returns {Promise} */ static async initMariaDB() { log.debug("db", "Checking if MariaDB database exists..."); let hasTable = await R.hasTable("docker_host"); if (!hasTable) { const { createTables } = require("../db/knex_init_db"); await createTables(); } else { log.debug("db", "MariaDB database already exists"); } } /** * Patch the database * @returns {void} */ static async patch() { // Still need to keep this for old versions of Uptime Kuma if (Database.dbConfig.type === "sqlite") { await this.patchSqlite(); } // Using knex migrations // https://knexjs.org/guide/migrations.html // https://gist.github.com/NigelEarle/70db130cc040cc2868555b29a0278261 try { await R.knex.migrate.latest({ directory: Database.knexMigrationsPath, }); } catch (e) { // Allow missing patch files for downgrade or testing pr. if (e.message.includes("the following files are missing:")) { log.warn("db", e.message); log.warn("db", "Database migration failed, you may be downgrading Uptime Kuma."); } else { log.error("db", "Database migration failed"); throw e; } } } /** * TODO * @returns {Promise} */ static async rollbackLatestPatch() { } /** * Patch the database for SQLite * @returns {Promise} * @deprecated */ static async patchSqlite() { let version = parseInt(await setting("database_version")); if (! version) { version = 0; } if (version !== this.latestVersion) { log.info("db", "Your database version: " + version); log.info("db", "Latest database version: " + this.latestVersion); } if (version === this.latestVersion) { log.debug("db", "Database patch not needed"); } else if (version > this.latestVersion) { log.warn("db", "Warning: Database version is newer than expected"); } else { log.info("db", "Database patch is needed"); // Try catch anything here try { for (let i = version + 1; i <= this.latestVersion; i++) { const sqlFile = `./db/old_migrations/patch${i}.sql`; log.info("db", `Patching ${sqlFile}`); await Database.importSQLFile(sqlFile); log.info("db", `Patched ${sqlFile}`); await setSetting("database_version", i); } } catch (ex) { await Database.close(); log.error("db", ex); log.error("db", "Start Uptime-Kuma failed due to issue patching the database"); log.error("db", "Please submit a bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues"); process.exit(1); } } await this.patchSqlite2(); await this.migrateNewStatusPage(); } /** * Patch DB using new process * Call it from patch() only * @deprecated * @private * @returns {Promise} */ static async patchSqlite2() { log.debug("db", "Database Patch 2.0 Process"); let databasePatchedFiles = await setting("databasePatchedFiles"); if (! databasePatchedFiles) { databasePatchedFiles = {}; } log.debug("db", "Patched files:"); log.debug("db", databasePatchedFiles); try { for (let sqlFilename in this.patchList) { await this.patch2Recursion(sqlFilename, databasePatchedFiles); } if (this.patched) { log.info("db", "Database Patched Successfully"); } } catch (ex) { await Database.close(); log.error("db", ex); log.error("db", "Start Uptime-Kuma failed due to issue patching the database"); log.error("db", "Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues"); process.exit(1); } await setSetting("databasePatchedFiles", databasePatchedFiles); } /** * SQlite only * Migrate status page value in setting to "status_page" table * @returns {Promise} */ static async migrateNewStatusPage() { // Fix 1.13.0 empty slug bug await R.exec("UPDATE status_page SET slug = 'empty-slug-recover' WHERE TRIM(slug) = ''"); let title = await setting("title"); if (title) { console.log("Migrating Status Page"); let statusPageCheck = await R.findOne("status_page", " slug = 'default' "); if (statusPageCheck !== null) { console.log("Migrating Status Page - Skip, default slug record is already existing"); return; } let statusPage = R.dispense("status_page"); statusPage.slug = "default"; statusPage.title = title; statusPage.description = await setting("description"); statusPage.icon = await setting("icon"); statusPage.theme = await setting("statusPageTheme"); statusPage.published = !!await setting("statusPagePublished"); statusPage.search_engine_index = !!await setting("searchEngineIndex"); statusPage.show_tags = !!await setting("statusPageTags"); statusPage.password = null; if (!statusPage.title) { statusPage.title = "My Status Page"; } if (!statusPage.icon) { statusPage.icon = ""; } if (!statusPage.theme) { statusPage.theme = "light"; } let id = await R.store(statusPage); await R.exec("UPDATE incident SET status_page_id = ? WHERE status_page_id IS NULL", [ id ]); await R.exec("UPDATE [group] SET status_page_id = ? WHERE status_page_id IS NULL", [ id ]); await R.exec("DELETE FROM setting WHERE type = 'statusPage'"); // Migrate Entry Page if it is status page let entryPage = await setting("entryPage"); if (entryPage === "statusPage") { await setSetting("entryPage", "statusPage-default", "general"); } console.log("Migrating Status Page - Done"); } } /** * Patch database using new patching process * Used it patch2() only * @private * @param {string} sqlFilename Name of SQL file to load * @param {object} databasePatchedFiles Patch status of database files * @returns {Promise} */ static async patch2Recursion(sqlFilename, databasePatchedFiles) { let value = this.patchList[sqlFilename]; if (! value) { log.info("db", sqlFilename + " skip"); return; } // Check if patched if (! databasePatchedFiles[sqlFilename]) { log.info("db", sqlFilename + " is not patched"); if (value.parents) { log.info("db", sqlFilename + " need parents"); for (let parentSQLFilename of value.parents) { await this.patch2Recursion(parentSQLFilename, databasePatchedFiles); } } log.info("db", sqlFilename + " is patching"); this.patched = true; await this.importSQLFile("./db/old_migrations/" + sqlFilename); databasePatchedFiles[sqlFilename] = true; log.info("db", sqlFilename + " was patched successfully"); } else { log.debug("db", sqlFilename + " is already patched, skip"); } } /** * Load an SQL file and execute it * @param {string} filename Filename of SQL file to import * @returns {Promise} */ static async importSQLFile(filename) { // Sadly, multi sql statements is not supported by many sqlite libraries, I have to implement it myself await R.getCell("SELECT 1"); let text = fs.readFileSync(filename).toString(); // Remove all comments (--) let lines = text.split("\n"); lines = lines.filter((line) => { return ! line.startsWith("--"); }); // Split statements by semicolon // Filter out empty line text = lines.join("\n"); let statements = text.split(";") .map((statement) => { return statement.trim(); }) .filter((statement) => { return statement !== ""; }); for (let statement of statements) { await R.exec(statement); } } /** * Special handle, because tarn.js throw a promise reject that cannot be caught * @returns {Promise} */ static async close() { const listener = (reason, p) => { Database.noReject = false; }; process.addListener("unhandledRejection", listener); log.info("db", "Closing the database"); // Flush WAL to main database if (Database.dbConfig.type === "sqlite") { await R.exec("PRAGMA wal_checkpoint(TRUNCATE)"); } while (true) { Database.noReject = true; await R.close(); await sleep(2000); if (Database.noReject) { break; } else { log.info("db", "Waiting to close the database"); } } log.info("db", "Database closed"); process.removeListener("unhandledRejection", listener); } /** * Get the size of the database (SQLite only) * @returns {number} Size of database */ static getSize() { if (Database.dbConfig.type === "sqlite") { log.debug("db", "Database.getSize()"); let stats = fs.statSync(Database.sqlitePath); log.debug("db", stats); return stats.size; } return 0; } /** * Shrink the database * @returns {Promise} */ static async shrink() { if (Database.dbConfig.type === "sqlite") { await R.exec("VACUUM"); } } /** * @returns {string} Get the SQL for the current time plus a number of hours */ static sqlHourOffset() { if (Database.dbConfig.type === "sqlite") { return "DATETIME('now', ? || ' hours')"; } else { return "DATE_ADD(NOW(), INTERVAL ? HOUR)"; } } } module.exports = Database;