const fs = require("fs"); const { R } = require("redbean-node"); const { setSetting, setting } = require("./util-server"); const { log, sleep } = require("../src/util"); const dayjs = require("dayjs"); const knex = require("knex"); /** * Database & App Data Folder */ class Database { static templatePath = "./db/kuma.db"; /** * Data Dir (Default: ./data) */ static dataDir; /** * User Upload Dir (Default: ./data/upload) */ static uploadDir; static path; /** * @type {boolean} */ static patched = false; /** * For Backup only */ static backupPath = null; /** * Add patch filename in key * Values: * true: Add it regardless of order * false: Do nothing * { parents: []}: Need parents before add it */ 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, }; /** * The final version should be 10 after merged tag feature * @deprecated Use patchList for any new feature */ static latestVersion = 10; static noReject = true; /** * Initialize the database * @param {Object} args Arguments to initialize DB with */ static init(args) { // Data Directory (must be end with "/") Database.dataDir = process.env.DATA_DIR || args["data-dir"] || "./data/"; Database.path = Database.dataDir + "kuma.db"; if (! fs.existsSync(Database.dataDir)) { fs.mkdirSync(Database.dataDir, { recursive: true }); } Database.uploadDir = Database.dataDir + "upload/"; if (! fs.existsSync(Database.uploadDir)) { fs.mkdirSync(Database.uploadDir, { recursive: true }); } log.info("db", `Data Dir: ${Database.dataDir}`); } /** * Connect to the database * @param {boolean} [testMode=false] Should the connection be * started in test mode? * @param {boolean} [autoloadModels=true] Should models be * automatically loaded? * @param {boolean} [noLog=false] Should logs not be output? * @returns {Promise} */ static async connect(testMode = false, autoloadModels = true, noLog = false) { const acquireConnectionTimeout = 120 * 1000; const Dialect = require("knex/lib/dialects/sqlite3/index.js"); Dialect.prototype._driver = () => require("@louislam/sqlite3"); const knexInstance = knex({ client: Dialect, connection: { filename: Database.path, acquireConnectionTimeout: acquireConnectionTimeout, }, useNullAsDefault: true, pool: { min: 1, max: 1, idleTimeoutMillis: 120 * 1000, propagateCreateError: false, acquireTimeoutMillis: acquireConnectionTimeout, } }); 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"); } 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 = FULL"); // Avoid error "SQLITE_BUSY: database is locked" by allowing SQLITE to wait up to 5 seconds to do a write await R.exec("PRAGMA busy_timeout = 5000"); // 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 = FULL"); if (!noLog) { log.info("db", "SQLite config:"); log.info("db", await R.getAll("PRAGMA journal_mode")); log.info("db", await R.getAll("PRAGMA cache_size")); log.info("db", "SQLite Version: " + await R.getCell("SELECT sqlite_version()")); } } /** Patch the database */ static async patch() { let version = parseInt(await setting("database_version")); if (! version) { version = 0; } log.info("db", "Your database version: " + version); log.info("db", "Latest database version: " + this.latestVersion); if (version === this.latestVersion) { log.info("db", "Database patch not needed"); } else if (version > this.latestVersion) { log.info("db", "Warning: Database version is newer than expected"); } else { log.info("db", "Database patch is needed"); try { this.backup(version); } catch (e) { log.error("db", e); log.error("db", "Unable to create a backup before patching the database. Please make sure you have enough space and permission."); process.exit(1); } // Try catch anything here, if gone wrong, restore the backup try { for (let i = version + 1; i <= this.latestVersion; i++) { const sqlFile = `./db/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"); this.restore(); process.exit(1); } } await this.patch2(); await this.migrateNewStatusPage(); } /** * Patch DB using new process * Call it from patch() only * @private * @returns {Promise} */ static async patch2() { log.info("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"); this.restore(); process.exit(1); } await setSetting("databasePatchedFiles", databasePatchedFiles); } /** * 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 sqlFilename * @param databasePatchedFiles * @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); } } this.backup(dayjs().format("YYYYMMDDHHmmss")); log.info("db", sqlFilename + " is patching"); this.patched = true; await this.importSQLFile("./db/" + 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 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); } } /** * Aquire a direct connection to database * @returns {any} */ static getBetterSQLite3Database() { return R.knex.client.acquireConnection(); } /** * 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"); 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", "SQLite closed"); process.removeListener("unhandledRejection", listener); } /** * One backup one time in this process. * Reset this.backupPath if you want to backup again * @param {string} version Version code of backup */ static backup(version) { if (! this.backupPath) { log.info("db", "Backing up the database"); this.backupPath = this.dataDir + "kuma.db.bak" + version; fs.copyFileSync(Database.path, this.backupPath); const shmPath = Database.path + "-shm"; if (fs.existsSync(shmPath)) { this.backupShmPath = shmPath + ".bak" + version; fs.copyFileSync(shmPath, this.backupShmPath); } const walPath = Database.path + "-wal"; if (fs.existsSync(walPath)) { this.backupWalPath = walPath + ".bak" + version; fs.copyFileSync(walPath, this.backupWalPath); } // Double confirm if all files actually backup if (!fs.existsSync(this.backupPath)) { throw new Error("Backup failed! " + this.backupPath); } if (fs.existsSync(shmPath)) { if (!fs.existsSync(this.backupShmPath)) { throw new Error("Backup failed! " + this.backupShmPath); } } if (fs.existsSync(walPath)) { if (!fs.existsSync(this.backupWalPath)) { throw new Error("Backup failed! " + this.backupWalPath); } } } } /** Restore from most recent backup */ static restore() { if (this.backupPath) { log.error("db", "Patching the database failed!!! Restoring the backup"); const shmPath = Database.path + "-shm"; const walPath = Database.path + "-wal"; // Delete patch failed db try { if (fs.existsSync(Database.path)) { fs.unlinkSync(Database.path); } if (fs.existsSync(shmPath)) { fs.unlinkSync(shmPath); } if (fs.existsSync(walPath)) { fs.unlinkSync(walPath); } } catch (e) { log.error("db", "Restore failed; you may need to restore the backup manually"); process.exit(1); } // Restore backup fs.copyFileSync(this.backupPath, Database.path); if (this.backupShmPath) { fs.copyFileSync(this.backupShmPath, shmPath); } if (this.backupWalPath) { fs.copyFileSync(this.backupWalPath, walPath); } } else { log.info("db", "Nothing to restore"); } } /** Get the size of the database */ static getSize() { log.debug("db", "Database.getSize()"); let stats = fs.statSync(Database.path); log.debug("db", stats); return stats.size; } /** * Shrink the database * @returns {Promise} */ static async shrink() { await R.exec("VACUUM"); } } module.exports = Database;