mirror of
https://github.com/laurent22/joplin.git
synced 2024-12-03 08:35:29 +02:00
183 lines
4.9 KiB
JavaScript
183 lines
4.9 KiB
JavaScript
const moment = require('moment');
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const { _ } = require('lib/locale.js');
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const { time } = require('lib/time-utils.js');
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const { FsDriverDummy } = require('lib/fs-driver-dummy.js');
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class Logger {
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constructor() {
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this.targets_ = [];
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this.level_ = Logger.LEVEL_ERROR;
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this.fileAppendQueue_ = []
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this.lastDbCleanup_ = time.unixMs();
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}
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static fsDriver() {
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if (!Logger.fsDriver_) Logger.fsDriver_ = new FsDriverDummy();
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return Logger.fsDriver_;
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}
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setLevel(level) {
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this.level_ = level;
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}
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level() {
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return this.level_;
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}
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clearTargets() {
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this.targets_.clear();
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}
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addTarget(type, options = null) {
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let target = { type: type };
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for (let n in options) {
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if (!options.hasOwnProperty(n)) continue;
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target[n] = options[n];
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}
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this.targets_.push(target);
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}
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objectToString(object) {
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let output = '';
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if (typeof object === 'object') {
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if (object instanceof Error) {
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output = object.toString();
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if (object.code) output += "\nCode: " + object.code;
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if (object.headers) output += "\nHeader: " + JSON.stringify(object.headers);
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if (object.request) output += "\nRequest: " + (object.request.substr ? object.request.substr(0, 1024) : '');
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if (object.stack) output += "\n" + object.stack;
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} else {
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output = JSON.stringify(object);
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}
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} else {
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output = object;
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}
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return output;
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}
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objectsToString(...object) {
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let output = [];
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for (let i = 0; i < object.length; i++) {
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output.push('"' + this.objectToString(object[i]) + '"');
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}
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return output.join(', ');
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}
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static databaseCreateTableSql() {
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let output = `
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CREATE TABLE IF NOT EXISTS logs (
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id INTEGER PRIMARY KEY,
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source TEXT,
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level INT NOT NULL,
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message TEXT NOT NULL,
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\`timestamp\` INT NOT NULL
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);
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`;
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return output.split("\n").join(' ');
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}
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// Only for database at the moment
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async lastEntries(limit = 100) {
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for (let i = 0; i < this.targets_.length; i++) {
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const target = this.targets_[i];
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if (target.type == 'database') {
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let sql = 'SELECT * FROM logs ORDER BY timestamp DESC';
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if (limit !== null) sql += ' LIMIT ' + limit
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return await target.database.selectAll(sql);
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}
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}
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return [];
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}
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log(level, ...object) {
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if (this.level() < level || !this.targets_.length) return;
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let levelString = '';
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let line = moment().format('YYYY-MM-DD HH:mm:ss') + ': ';
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if (level == Logger.LEVEL_WARN) levelString += '[warn] ';
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if (level == Logger.LEVEL_ERROR) levelString += '[error] ';
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for (let i = 0; i < this.targets_.length; i++) {
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let target = this.targets_[i];
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if (target.type == 'console') {
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let fn = 'log';
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if (level == Logger.LEVEL_ERROR) fn = 'error';
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if (level == Logger.LEVEL_WARN) fn = 'warn';
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if (level == Logger.LEVEL_INFO) fn = 'info';
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console[fn](line + this.objectsToString(...object));
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} else if (target.type == 'file') {
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let serializedObject = this.objectsToString(...object);
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Logger.fsDriver().appendFileSync(target.path, line + serializedObject + "\n");
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} else if (target.type == 'database') {
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let msg = this.objectsToString(...object);
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let queries = [{
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sql: 'INSERT INTO logs (`source`, `level`, `message`, `timestamp`) VALUES (?, ?, ?, ?)',
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params: [target.source, level, msg, time.unixMs()],
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}];
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const now = time.unixMs();
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if (now - this.lastDbCleanup_ > 1000 * 60 * 60) {
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this.lastDbCleanup_ = now;
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const dayKeep = 14;
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queries.push({
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sql: 'DELETE FROM logs WHERE `timestamp` < ?',
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params: [now - 1000 * 60 * 60 * 24 * dayKeep],
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});
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}
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target.database.transactionExecBatch(queries);
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}
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}
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}
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error(...object) { return this.log(Logger.LEVEL_ERROR, ...object); }
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warn(...object) { return this.log(Logger.LEVEL_WARN, ...object); }
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info(...object) { return this.log(Logger.LEVEL_INFO, ...object); }
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debug(...object) { return this.log(Logger.LEVEL_DEBUG, ...object); }
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static levelStringToId(s) {
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if (s == 'none') return Logger.LEVEL_NONE;
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if (s == 'error') return Logger.LEVEL_ERROR;
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if (s == 'warn') return Logger.LEVEL_WARN;
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if (s == 'info') return Logger.LEVEL_INFO;
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if (s == 'debug') return Logger.LEVEL_DEBUG;
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throw new Error(_('Unknown log level: %s', s));
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}
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static levelIdToString(id) {
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if (id == Logger.LEVEL_NONE) return 'none';
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if (id == Logger.LEVEL_ERROR) return 'error';
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if (id == Logger.LEVEL_WARN) return 'warn';
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if (id == Logger.LEVEL_INFO) return 'info';
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if (id == Logger.LEVEL_DEBUG) return 'debug';
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throw new Error(_('Unknown level ID: %s', id));
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}
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static levelIds() {
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return [Logger.LEVEL_NONE, Logger.LEVEL_ERROR, Logger.LEVEL_WARN, Logger.LEVEL_INFO, Logger.LEVEL_DEBUG];
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}
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static levelEnum() {
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let output = {};
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const ids = this.levelIds();
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for (let i = 0; i < ids.length; i++) {
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output[ids[i]] = this.levelIdToString(ids[i]);
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}
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return output;
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}
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}
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Logger.LEVEL_NONE = 0;
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Logger.LEVEL_ERROR = 10;
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Logger.LEVEL_WARN = 20;
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Logger.LEVEL_INFO = 30;
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Logger.LEVEL_DEBUG = 40;
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module.exports = { Logger }; |