Merge pull request #27 from Klemek/dev

GitBlog v1.2.8

README.md

@@ -1,5 +1,7 @@
 [![Build Status](https://img.shields.io/travis/Klemek/GitBlog.md.svg?branch=master)](https://travis-ci.org/Klemek/GitBlog.md)
 [![Coverage Status](https://img.shields.io/coveralls/github/Klemek/GitBlog.md.svg?branch=master)](https://coveralls.io/github/Klemek/GitBlog.md?branch=master)
+[![Language grade: JavaScript](https://img.shields.io/lgtm/grade/javascript/g/Klemek/GitBlog.md.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/Klemek/GitBlog.md/context:javascript)
+[![Total alerts](https://img.shields.io/lgtm/alerts/g/Klemek/GitBlog.md.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/Klemek/GitBlog.md/alerts/)
 
 # GitBlog.md
 
@@ -245,7 +247,7 @@ Any URL like `/year/month/day/anything/` will redirect to this article (and link
 * **PlantUML**  
   It allows you to add UML diagrams with PlantUML Syntax between `@startuml` and `@enduml` (more info [here](http://www.plantuml.com))
 * **fa-diagrams**  
-  It allows you to define SVG diagrams with Font-Awesome icons in YAML between `@startfad` and `@endfad` (more info [here](https://github.com/Klemek/fa-diagrams))
+  It allows you to define SVG diagrams with Font-Awesome icons in [TOML](https://github.com/toml-lang/toml) between `@startfad` and `@endfad` (more info [here](https://github.com/Klemek/fa-diagrams))
 
 
 ## Configuration
@@ -260,6 +262,8 @@ Any URL like `/year/month/day/anything/` will redirect to this article (and link
   the directory where will be located the git repo with templates and articles
 * `view_engine` (default: ejs)  
   the Express view engine used to render pages from templates
+* `rate_limit` (default: 100)  
+  number of requests allowed in a time-frame of 15 minutes
 * `access_log` (default: access.log)  
   log file where to save access requests (empty to disable)
 * `error_log` (default: error.log)  

lgtm.yml

@@ -0,0 +1,7 @@
+path_classifiers:
+  test:
+    - test
+  docs:
+    - uml
+  library:
+    - src/lib

package.json

@@ -1,15 +1,15 @@
 {
   "name": "gitblog.md",
-  "version": "1.2.6",
+  "version": "1.2.8",
   "description": "A static blog using Markdown pulled from your git repository.",
   "main": "src/server.js",
   "dependencies": {
+    "@iarna/toml": "^2.2.3",
     "body-parser": "^1.19.0",
-    "crypto": "^1.0.1",
     "ejs": "^2.6.2",
     "express": "^4.17.1",
+    "express-rate-limit": "^5.0.0",
     "fa-diagrams": "^1.0.3",
-    "js-yaml": "^3.13.1",
     "mathjax-node": "^2.1.1",
     "ncp": "^2.0.0",
     "node-prismjs": "^0.1.2",
@@ -18,8 +18,6 @@
     "showdown": "^1.9.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-preset-env": "^1.7.0",
     "coveralls": "^3.0.4",
     "jest": "^24.8.0",
     "superagent": "^5.1.0",

sample_data/article/index.md

@@ -257,26 +257,30 @@ express -up-> web : 5. html
 ### Diagrams
 [Back to top](#top)
 
-You can use [fa-diagrams](https://github.com/Klemek/fa-diagrams) with `@startfad` and `@endfad` tags and using YAML inside
+You can use [fa-diagrams](https://github.com/Klemek/fa-diagrams) with `@startfad` and `@endfad` tags and using [TOML](https://github.com/toml-lang/toml) inside
 
-@startuml
-nodes:
-  - name: node1
-    icon: laptop-code
-    color: '#4E342E'
-    bottom: my app
-  - name: node2
-    icon: globe
-    color: '#455A64'
-    bottom: world
-links:
-  - from: node1
-    to: node2
-    color: '#333333'
-    top:
-      icon: envelope
-    bottom: '"hello"'
-@enduml
+@startfad
+[[nodes]]
+name = "node1"
+icon = "laptop-code"
+color = "#4E342E"
+bottom = "my app"
+
+[[nodes]]
+name = "node2"
+icon = "globe"
+color = "#455A64"
+bottom = "world"
+
+[[links]]
+from = "node1"
+to = "node2"
+color = "#333333"
+bottom = '"hello"'
+
+  [links.top]
+  icon = "envelope"
+@endfad
 
 ### Youtube Videos
 [Back to top](#top)

src/app.js

@@ -3,6 +3,7 @@ const app = express();
 const fs = require('fs');
 const path = require('path');
 const pjson = require('../package.json');
+const rateLimit = require('express-rate-limit');
 
 app.enable('trust proxy');
 
@@ -122,6 +123,13 @@ module.exports = (config) => {
     next();
   });
 
+  //rate limit for safer server
+  const limiter = rateLimit({
+    windowMs: 15 * 60 * 1000, // 15 minutes
+    max: config['rate_limit']
+  });
+  app.use(limiter);
+
   //log request at result end
   app.use((req, res, next) => {
     if (config['access_log']) {

src/config.default.json

@@ -3,6 +3,7 @@
   "host": "",
   "data_dir": "data",
   "view_engine": "ejs",
+  "rate_limit": 100,
   "access_log": "access.log",
   "error_log": "error.log",
   "modules": {

src/renderer.js

@@ -150,10 +150,10 @@ module.exports = (config) => {
   };
 
   let faDiagrams;
-  let yaml;
+  let toml;
   if (config['modules']['fa-diagrams']) {
     faDiagrams = require('fa-diagrams');
-    yaml = require('js-yaml');
+    toml = require('@iarna/toml');
   }
 
   const renderFaDiagrams = (data, cb) => {
@@ -167,7 +167,7 @@ module.exports = (config) => {
         const code = match[1].trim();
         let output;
         try {
-          const diagData = yaml.safeLoad(code);
+          const diagData = toml.parse(code);
           const findLineBreaks = (data) => {
             Object.keys(data).forEach(key => {
               if (typeof data[key] === 'object')

test/renderer.test.js

@@ -241,26 +241,29 @@ describe('Test MathJax', () => {
 describe('Test fa-diagrams', () => {
   test('no fa-diagrams', (done) => {
     config['modules']['fa-diagrams'] = false;
-    renderer.renderFaDiagrams('@startfad\noptions:\n\trendering:\t\tcolor:red\n\n@endfad', (data) => {
-      expect(data).toBe('@startfad\noptions:\n\trendering:\t\tcolor:red\n\n@endfad');
+    renderer.renderFaDiagrams('@startfad\noptions.rendering.color=\'red\'\n@endfad', (data) => {
+      expect(data).toBe('@startfad\noptions.rendering.color=\'red\'\n@endfad');
       done();
     });
   });
   test('no fa-diagrams in code', (done) => {
-    renderer.renderFaDiagrams('code:\n```\n@startfad\noptions:\n\trendering:\t\tcolor:red\n\n@endfad\n```', (data) => {
-      expect(data).toBe('code:\n```\n@startfad\noptions:\n\trendering:\t\tcolor:red\n\n@endfad\n```');
+    renderer.renderFaDiagrams('code:\n```\n@startfad\noptions.rendering.color=\'red\'\n@endfad\n```', (data) => {
+      expect(data).toBe('code:\n```\n@startfad\noptions.rendering.color=\'red\'\n@endfad\n```');
       done();
     });
   });
   test('valid fa-diagrams', (done) => {
-    renderer.renderFaDiagrams('before\n@startfad\noptions:\n  rendering:\n    color: red\n@endfad\nafter', (data) => {
+    renderer.renderFaDiagrams('before\n@startfad\noptions.rendering.color=\'red\'\n@endfad\nafter', (data) => {
       expect(data).toBe('before\n<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 0 0" width="0" height="0" font-family="Arial" font-size="15" fill="red" stroke-width="0"></svg>\nafter');
       done();
     });
   });
-  test('invalid yaml', (done) => {
-    renderer.renderFaDiagrams('before\n@startfad\noptions:\n@endfad\nafter', (data) => {
-      expect(data).toBe('before\n<b style="color:red">TypeError: Cannot convert undefined or null to object</b>\nafter');
+  test('invalid toml', (done) => {
+    renderer.renderFaDiagrams('before\n@startfad\noptions.rendering.color=red\n@endfad\nafter', (data) => {
+      expect(data).toBe('before\n<b style="color:red">TomlError: Unexpected character, expecting string, number, datetime, boolean, inline array or inline table at row 1, col 26, pos 25:\n' +
+        '1> options.rendering.color=red\n' +
+        '                            ^\n' +
+        '\n</b>\nafter');
       done();
     });
   });

uml/article.txt

@@ -10,6 +10,7 @@ node nodejs {
 }
 
 package data {
+    [template.ejs]
     package "2019/06/18" {
         component index [
             index.md
@@ -22,6 +23,7 @@ package data {
 web -down-> TCP : 1. /2019/06/18/title
 express -down-> index : 2. fetch
 index -up-> showdown : 3. markdown
+template.ejs -up-> express : 4
 showdown -left-> express : 4. html
 express -up-> web : 5. html