logging stuff to rotated files through simple-node-logger

app.js

@@ -1,13 +1,13 @@
 const express = require('express');
 const path = require('path');
 const favicon = require('serve-favicon');
-const logger = require('morgan');
 const cookieParser = require('cookie-parser');
 const bodyParser = require('body-parser');
 const helmet = require('helmet');
 const session = require('express-session');
 const FileStore = require('session-file-store')(session);
 const os = require('os');
+const log = require('./services/log');
 
 const indexRoute = require('./routes/index');
 const loginRoute = require('./routes/login');
@@ -40,7 +40,12 @@ app.set('views', path.join(__dirname, 'views'));
 app.set('view engine', 'ejs');
 
 app.use(helmet());
-app.use(logger('dev'));
+
+app.use((req, res, next) => {
+    log.request(req);
+    next();
+});
+
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({extended: false}));
 app.use(cookieParser());
@@ -78,21 +83,15 @@ app.use('/api/password', passwordApiRoute);
 app.use('/api/migration', migrationApiRoute);
 
 // catch 404 and forward to error handler
-app.use(function (req, res, next) {
+app.use((req, res, next) => {
     const err = new Error('Not Found');
     err.status = 404;
     next(err);
 });
 
 // error handler
-app.use(function (err, req, res, next) {
-    // set locals, only providing error in development
-    res.locals.message = err.message;
-    res.locals.error = req.app.get('env') === 'development' ? err : {};
-
-    // render the error page
-    res.status(err.status || 500);
-    res.render('error');
+app.use((err, req, res, next) => {
+    log.error(err.message);
 });
 
 require('./services/sync');

package.json

@@ -14,19 +14,19 @@
     "debug": "~3.1.0",
     "ejs": "~2.5.7",
     "electron": "^1.7.9",
+    "electron-debug": "^1.0.0",
+    "electron-rebuild": "^1.6.0",
     "express": "~4.16.2",
     "express-session": "^1.15.6",
     "express-sessions": "^1.0.6",
     "fs-extra": "^4.0.2",
     "helmet": "^3.9.0",
     "ini": "^1.3.4",
-    "morgan": "~1.9.0",
     "scrypt": "^6.0.3",
     "serve-favicon": "~2.4.5",
     "session-file-store": "^1.1.2",
-    "sqlite": "^2.8.0",
-    "electron-debug": "^1.0.0",
-    "electron-rebuild": "^1.6.0"
+    "simple-node-logger": "^0.93.30",
+    "sqlite": "^2.8.0"
   },
   "devDependencies": {
     "devtron": "^1.1.0",

services/data_dir.js

@@ -11,9 +11,11 @@ if (!fs.existsSync(TRILIUM_DATA_DIR)) {
 
 const DOCUMENT_PATH = TRILIUM_DATA_DIR + "/document.db";
 const BACKUP_DIR = TRILIUM_DATA_DIR + "/backup";
+const LOG_DIR = TRILIUM_DATA_DIR + "/log";
 
 module.exports = {
     TRILIUM_DATA_DIR,
     DOCUMENT_PATH,
-    BACKUP_DIR
+    BACKUP_DIR,
+    LOG_DIR
 };

services/log.js

@@ -0,0 +1,41 @@
+"use strict";
+
+const fs = require('fs');
+const LOG_DIR = require('./data_dir').LOG_DIR;
+
+if (!fs.existsSync(LOG_DIR)) {
+    fs.mkdirSync(LOG_DIR, 0o700);
+}
+
+const logger = require('simple-node-logger').createRollingFileLogger({
+    errorEventName: 'error',
+    logDirectory: LOG_DIR,
+    fileNamePattern: 'trilium-<DATE>.log',
+    dateFormat:'YYYY-MM-DD'
+});
+
+function info(message) {
+    logger.info(message);
+}
+
+function error(message) {
+    logger.error(message);
+}
+
+const requestBlacklist = [ "/api/audit", "/libraries", "/javascripts", "/images", "/stylesheets" ];
+
+function request(req) {
+    for (const bl of requestBlacklist) {
+        if (req.url.startsWith(bl)) {
+            return;
+        }
+    }
+
+    logger.info(req.method + " " + req.url);
+}
+
+module.exports = {
+    info,
+    error,
+    request
+};