eslint integration
This commit is contained in:
Klemek
+248
-240
@@ -21,19 +21,19 @@ app.use(bodyParser.json());
|
||||
* @type {{warn: string, ok: string, error: string}}
|
||||
*/
|
||||
const cons = {
|
||||
ok: '\x1b[32m✔\x1b[0m %s',
|
||||
warn: '\x1b[33m⚠\x1b[0m %s',
|
||||
error: '\x1b[31m✘\x1b[0m %s',
|
||||
ok: '\x1b[32m✔\x1b[0m %s',
|
||||
warn: '\x1b[33m⚠\x1b[0m %s',
|
||||
error: '\x1b[31m✘\x1b[0m %s',
|
||||
};
|
||||
|
||||
module.exports = (config) => {
|
||||
/**
|
||||
/**
|
||||
* Fetch articles from the data folder and send success as a response
|
||||
* @param success
|
||||
* @param error
|
||||
*/
|
||||
let reload;
|
||||
/**
|
||||
let reload;
|
||||
/**
|
||||
* Render the page with the view engine and catch errors
|
||||
* @param req
|
||||
* @param res
|
||||
@@ -41,256 +41,264 @@ module.exports = (config) => {
|
||||
* @param data - data to pass to the view
|
||||
* @param code - code to send along the page
|
||||
*/
|
||||
let render;
|
||||
/**
|
||||
let render;
|
||||
/**
|
||||
* Show an error with the correct page
|
||||
* @param req
|
||||
* @param res
|
||||
* @param code - error code
|
||||
*/
|
||||
let showError;
|
||||
const fw = require('./file_walker')(config);
|
||||
const renderer = require('./renderer')(config);
|
||||
let showError;
|
||||
const fw = require('./file_walker')(config);
|
||||
const renderer = require('./renderer')(config);
|
||||
|
||||
// set view engine from configuration
|
||||
app.set('view engine', config['view_engine']);
|
||||
// reroute the views folder to the root folder
|
||||
app.set('views', path.join(__dirname, '..'));
|
||||
// set view engine from configuration
|
||||
app.set('view engine', config['view_engine']);
|
||||
// reroute the views folder to the root folder
|
||||
app.set('views', path.join(__dirname, '..'));
|
||||
|
||||
const articles = {};
|
||||
let lastRSS = '';
|
||||
let host = config['host'];
|
||||
const articles = {};
|
||||
let lastRSS = '';
|
||||
let host = config['host'];
|
||||
|
||||
reload = (success, error) => {
|
||||
fw.fetchArticles((err, dict) => {
|
||||
if (err) {
|
||||
console.error(cons.error, 'error loading articles : ' + err);
|
||||
return error ? error() : null;
|
||||
}
|
||||
Object.keys(articles).forEach((key) => delete articles[key]);
|
||||
Object.keys(dict).forEach((key) => articles[key] = dict[key]);
|
||||
const nb = Object.keys(articles).length;
|
||||
const dnb = Object.values(articles).filter(a => a.draft).length;
|
||||
if (nb > 0)
|
||||
console.log(cons.ok, `loaded ${nb} article${nb > 1 ? 's' : ''} (${dnb} drafted)`);
|
||||
else
|
||||
console.log(cons.warn, `no articles loaded, check your configuration`);
|
||||
|
||||
lastRSS = '';
|
||||
|
||||
success();
|
||||
});
|
||||
};
|
||||
if (config['test'])
|
||||
app.reload = reload;
|
||||
|
||||
render = (req, res, vPath, data, code = 200) => {
|
||||
data.info = {
|
||||
title: config['home']['title'],
|
||||
description: config['home']['description'],
|
||||
host: host,
|
||||
version: pjson.version,
|
||||
request: req,
|
||||
config: config
|
||||
};
|
||||
res.render(vPath, data, (err, html) => {
|
||||
if (err && vPath !== path.join(config['data_dir'], config['home']['error'])) {
|
||||
console.log(cons.error, `failed to render page ${vPath} : ${err}`);
|
||||
showError(req, res, 500);
|
||||
} else if (err) {
|
||||
res.sendStatus(500);
|
||||
console.log(cons.error, `failed to render error page : ${err}`);
|
||||
} else
|
||||
res.status(code).send(html);
|
||||
});
|
||||
};
|
||||
|
||||
showError = (req, res, code) => {
|
||||
const errorPath = path.join(config['data_dir'], config['home']['error']);
|
||||
fs.access(errorPath, fs.constants.R_OK, (err) => {
|
||||
if (err)
|
||||
res.sendStatus(code);
|
||||
else
|
||||
render(req, res, errorPath, {error: code}, code);
|
||||
});
|
||||
};
|
||||
|
||||
app.use((req, res, next) => {
|
||||
if (!host) {
|
||||
host = 'http://' + req.headers.host;
|
||||
console.log(cons.ok, 'Currently hosted on ' + host);
|
||||
}
|
||||
next();
|
||||
});
|
||||
|
||||
//rate limit for safer server
|
||||
const limiter = rateLimit({
|
||||
windowMs: 15 * 60 * 1000, // 15 minutes
|
||||
max: config['rate_limit']
|
||||
});
|
||||
app.use(limiter);
|
||||
|
||||
//log request at result end
|
||||
app.use((req, res, next) => {
|
||||
if (config['access_log']) {
|
||||
const end = res.end;
|
||||
res.end = (chunk, encoding) => {
|
||||
fs.appendFile(config['access_log'],
|
||||
`${res.statusCode} ${req.method} ${req.url} ${new Date().toUTCString()} ${req.ips.join(' ') || req.ip}\n`,
|
||||
{encoding: 'UTF-8'}, () => {
|
||||
res.end = end;
|
||||
res.end(chunk, encoding);
|
||||
});
|
||||
};
|
||||
}
|
||||
next();
|
||||
});
|
||||
|
||||
// home endpoint : send the correct index page or error if not existing
|
||||
app.get('/', (req, res) => {
|
||||
const homePath = path.join(config['data_dir'], config['home']['index']);
|
||||
fs.access(homePath, fs.constants.R_OK, (err) => {
|
||||
if (err)
|
||||
showError(req, res, 404);
|
||||
else
|
||||
render(req, res, homePath,
|
||||
{
|
||||
articles: Object.values(articles)
|
||||
.filter(d => !d.draft).sort((a, b) => ('' + b.path).localeCompare(a.path))
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
//RSS endpoint
|
||||
app.get(config['rss']['endpoint'], (req, res) => {
|
||||
if (config['modules']['rss']) {
|
||||
if (!lastRSS) {
|
||||
const feed = new Rss({
|
||||
'title': config['rss']['title'],
|
||||
'description': config['rss']['description'],
|
||||
'feed_url': host + req.url,
|
||||
'site_url': host
|
||||
});
|
||||
Object.values(articles)
|
||||
.slice(0, config['rss']['length'])
|
||||
.forEach((article) => {
|
||||
feed.item({
|
||||
title: article.title,
|
||||
url: host + article.url,
|
||||
date: article.date
|
||||
});
|
||||
});
|
||||
lastRSS = feed.xml();
|
||||
}
|
||||
res.type(req.headers['user-agent'].match(/Mozilla/) ? 'text/xml' : 'rss').send(lastRSS);
|
||||
} else {
|
||||
showError(req, res, 404);
|
||||
}
|
||||
});
|
||||
|
||||
//webhook endpoint
|
||||
app.post(config['webhook']['endpoint'], (req, res) => {
|
||||
if (config['modules']['webhook']) {
|
||||
if (config['webhook']['signature_header'] && config['webhook']['secret']) {
|
||||
const payload = JSON.stringify(req.body) || '';
|
||||
const hmac = crypto.createHmac('sha1', config['webhook']['secret']);
|
||||
const digest = 'sha1=' + hmac.update(payload).digest('hex');
|
||||
const checksum = req.headers[config['webhook']['signature_header']];
|
||||
if (!checksum || !digest || checksum !== digest) {
|
||||
return res.sendStatus(403);
|
||||
}
|
||||
}
|
||||
cp.exec(config['webhook']['pull_command'], {cwd: path.join(__dirname, '..', config['data_dir'])}, (err) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `command '${config['webhook']['pull_command']}' failed : ${err}`);
|
||||
return res.sendStatus(500);
|
||||
}
|
||||
reload(() => {
|
||||
res.sendStatus(200);
|
||||
});
|
||||
});
|
||||
} else {
|
||||
res.sendStatus(400);
|
||||
}
|
||||
});
|
||||
|
||||
//rewrite urls to hide articles titles : /2019/05/05/sometitle/img.png => /2019/05/05/img.png
|
||||
app.use((req, res, next) => {
|
||||
if (/^\/\d{4}\/\d{2}\/\d{2}\//.test(req.url))
|
||||
req.url = req.url.slice(0, 11) + req.url.slice(req.url.lastIndexOf('/'));
|
||||
next();
|
||||
});
|
||||
|
||||
// catch all article urls and render them
|
||||
app.get('*', (req, res, next) => {
|
||||
if (/^\/\d{4}\/\d{2}\/\d{2}\/$/.test(req.path)) {
|
||||
const articlePath = req.path.substr(1, 10);
|
||||
const article = articles[articlePath];
|
||||
if (!article)
|
||||
showError(req, res, 404);
|
||||
else {
|
||||
renderer.render(article.realPath, (err, html) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `failed to render article ${req.path} : ${err}`);
|
||||
return showError(req, res, 500);
|
||||
}
|
||||
article.content = html;
|
||||
const templatePath = path.join(config['data_dir'], config['article']['template']);
|
||||
fs.access(templatePath, fs.constants.R_OK, (err) => {
|
||||
reload = (success, error) => {
|
||||
fw.fetchArticles((err, dict) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `no template found at ${templatePath}`);
|
||||
showError(req, res, 500);
|
||||
} else
|
||||
render(req, res, templatePath, {article: article});
|
||||
});
|
||||
console.error(cons.error, 'error loading articles : ' + err);
|
||||
return error ? error() : null;
|
||||
}
|
||||
Object.keys(articles).forEach((key) => delete articles[key]);
|
||||
Object.keys(dict).forEach((key) => articles[key] = dict[key]);
|
||||
const nb = Object.keys(articles).length;
|
||||
const dnb = Object.values(articles).filter(a => a.draft).length;
|
||||
if (nb > 0) {
|
||||
console.log(cons.ok, `loaded ${nb} article${nb > 1 ? 's' : ''} (${dnb} drafted)`);
|
||||
} else {
|
||||
console.log(cons.warn, 'no articles loaded, check your configuration');
|
||||
}
|
||||
|
||||
lastRSS = '';
|
||||
|
||||
success();
|
||||
});
|
||||
}
|
||||
} else {
|
||||
next();
|
||||
};
|
||||
if (config['test']) {
|
||||
app.reload = reload;
|
||||
}
|
||||
});
|
||||
|
||||
// catch all hidden file type and return 404
|
||||
config['home']['hidden'].forEach(pathMatcher => {
|
||||
app.get(pathMatcher, (req, res) => {
|
||||
showError(req, res, 404);
|
||||
render = (req, res, vPath, data, code = 200) => {
|
||||
data.info = {
|
||||
title: config['home']['title'],
|
||||
description: config['home']['description'],
|
||||
host: host,
|
||||
version: pjson.version,
|
||||
request: req,
|
||||
config: config
|
||||
};
|
||||
res.render(vPath, data, (err, html) => {
|
||||
if (err && vPath !== path.join(config['data_dir'], config['home']['error'])) {
|
||||
console.log(cons.error, `failed to render page ${vPath} : ${err}`);
|
||||
showError(req, res, 500);
|
||||
} else if (err) {
|
||||
res.sendStatus(500);
|
||||
console.log(cons.error, `failed to render error page : ${err}`);
|
||||
} else {
|
||||
res.status(code).send(html);
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
showError = (req, res, code) => {
|
||||
const errorPath = path.join(config['data_dir'], config['home']['error']);
|
||||
fs.access(errorPath, fs.constants.R_OK, (err) => {
|
||||
if (err) {
|
||||
res.sendStatus(code);
|
||||
} else {
|
||||
render(req, res, errorPath, {error: code}, code);
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
app.use((req, res, next) => {
|
||||
if (!host) {
|
||||
host = 'http://' + req.headers.host;
|
||||
console.log(cons.ok, 'Currently hosted on ' + host);
|
||||
}
|
||||
next();
|
||||
});
|
||||
});
|
||||
|
||||
// serve all static files via get
|
||||
app.get('*', express.static(path.join(__dirname, '..', config['data_dir'])));
|
||||
// catch express.static errors (mostly not found) by displaying 404
|
||||
app.get('*', (req, res) => {
|
||||
showError(req, res, 404);
|
||||
});
|
||||
|
||||
// catch all other methods and return 400
|
||||
app.all('*', (req, res) => {
|
||||
res.status(400).send('bad request');
|
||||
});
|
||||
|
||||
//log all server errors
|
||||
app.use((err, req, res, next) => {
|
||||
console.log(cons.error, `error when handling ${req.method} ${req.path} request : ${err}`);
|
||||
if (!config['error_log'])
|
||||
next(err);
|
||||
fs.appendFile(config['error_log'],
|
||||
`500 ${req.method} ${req.url} ${new Date().toUTCString()} ${req.ips.join(' ') || req.ip}\n${err.stack}\n`,
|
||||
{encoding: 'UTF-8'}, () => {
|
||||
next(err);
|
||||
});
|
||||
});
|
||||
|
||||
// must be use in a server.js to start the server
|
||||
app.start = () => {
|
||||
reload(() => {
|
||||
app.listen(config['node_port'], () => {
|
||||
console.log(cons.ok, `gitblog.md server listening on port ${config['node_port']}`);
|
||||
});
|
||||
//rate limit for safer server
|
||||
const limiter = rateLimit({
|
||||
windowMs: 15 * 60 * 1000, // 15 minutes
|
||||
max: config['rate_limit']
|
||||
});
|
||||
};
|
||||
app.use(limiter);
|
||||
|
||||
return app;
|
||||
//log request at result end
|
||||
app.use((req, res, next) => {
|
||||
if (config['access_log']) {
|
||||
const end = res.end;
|
||||
res.end = (chunk, encoding) => {
|
||||
fs.appendFile(config['access_log'],
|
||||
`${res.statusCode} ${req.method} ${req.url} ${new Date().toUTCString()} ${req.ips.join(' ') || req.ip}\n`,
|
||||
{encoding: 'UTF-8'}, () => {
|
||||
res.end = end;
|
||||
res.end(chunk, encoding);
|
||||
});
|
||||
};
|
||||
}
|
||||
next();
|
||||
});
|
||||
|
||||
// home endpoint : send the correct index page or error if not existing
|
||||
app.get('/', (req, res) => {
|
||||
const homePath = path.join(config['data_dir'], config['home']['index']);
|
||||
fs.access(homePath, fs.constants.R_OK, (err) => {
|
||||
if (err) {
|
||||
showError(req, res, 404);
|
||||
} else {
|
||||
render(req, res, homePath,
|
||||
{
|
||||
articles: Object.values(articles)
|
||||
.filter(d => !d.draft).sort((a, b) => ('' + b.path).localeCompare(a.path))
|
||||
});
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
//RSS endpoint
|
||||
app.get(config['rss']['endpoint'], (req, res) => {
|
||||
if (config['modules']['rss']) {
|
||||
if (!lastRSS) {
|
||||
const feed = new Rss({
|
||||
'title': config['rss']['title'],
|
||||
'description': config['rss']['description'],
|
||||
'feed_url': host + req.url,
|
||||
'site_url': host
|
||||
});
|
||||
Object.values(articles)
|
||||
.slice(0, config['rss']['length'])
|
||||
.forEach((article) => {
|
||||
feed.item({
|
||||
title: article.title,
|
||||
url: host + article.url,
|
||||
date: article.date
|
||||
});
|
||||
});
|
||||
lastRSS = feed.xml();
|
||||
}
|
||||
res.type(req.headers['user-agent'].match(/Mozilla/) ? 'text/xml' : 'rss').send(lastRSS);
|
||||
} else {
|
||||
showError(req, res, 404);
|
||||
}
|
||||
});
|
||||
|
||||
//webhook endpoint
|
||||
app.post(config['webhook']['endpoint'], (req, res) => {
|
||||
if (config['modules']['webhook']) {
|
||||
if (config['webhook']['signature_header'] && config['webhook']['secret']) {
|
||||
const payload = JSON.stringify(req.body) || '';
|
||||
const hmac = crypto.createHmac('sha1', config['webhook']['secret']);
|
||||
const digest = 'sha1=' + hmac.update(payload).digest('hex');
|
||||
const checksum = req.headers[config['webhook']['signature_header']];
|
||||
if (!checksum || !digest || checksum !== digest) {
|
||||
return res.sendStatus(403);
|
||||
}
|
||||
}
|
||||
cp.exec(config['webhook']['pull_command'], {cwd: path.join(__dirname, '..', config['data_dir'])}, (err) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `command '${config['webhook']['pull_command']}' failed : ${err}`);
|
||||
return res.sendStatus(500);
|
||||
}
|
||||
reload(() => {
|
||||
res.sendStatus(200);
|
||||
});
|
||||
});
|
||||
} else {
|
||||
res.sendStatus(400);
|
||||
}
|
||||
});
|
||||
|
||||
//rewrite urls to hide articles titles : /2019/05/05/sometitle/img.png => /2019/05/05/img.png
|
||||
app.use((req, res, next) => {
|
||||
if (/^\/\d{4}\/\d{2}\/\d{2}\//.test(req.url)) {
|
||||
req.url = req.url.slice(0, 11) + req.url.slice(req.url.lastIndexOf('/'));
|
||||
}
|
||||
next();
|
||||
});
|
||||
|
||||
// catch all article urls and render them
|
||||
app.get('*', (req, res, next) => {
|
||||
if (/^\/\d{4}\/\d{2}\/\d{2}\/$/.test(req.path)) {
|
||||
const articlePath = req.path.substr(1, 10);
|
||||
const article = articles[articlePath];
|
||||
if (!article) {
|
||||
showError(req, res, 404);
|
||||
} else {
|
||||
renderer.render(article.realPath, (err, html) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `failed to render article ${req.path} : ${err}`);
|
||||
return showError(req, res, 500);
|
||||
}
|
||||
article.content = html;
|
||||
const templatePath = path.join(config['data_dir'], config['article']['template']);
|
||||
fs.access(templatePath, fs.constants.R_OK, (err) => {
|
||||
if (err) {
|
||||
console.log(cons.error, `no template found at ${templatePath}`);
|
||||
showError(req, res, 500);
|
||||
} else {
|
||||
render(req, res, templatePath, {article: article});
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
} else {
|
||||
next();
|
||||
}
|
||||
});
|
||||
|
||||
// catch all hidden file type and return 404
|
||||
config['home']['hidden'].forEach(pathMatcher => {
|
||||
app.get(pathMatcher, (req, res) => {
|
||||
showError(req, res, 404);
|
||||
});
|
||||
});
|
||||
|
||||
// serve all static files via get
|
||||
app.get('*', express.static(path.join(__dirname, '..', config['data_dir'])));
|
||||
// catch express.static errors (mostly not found) by displaying 404
|
||||
app.get('*', (req, res) => {
|
||||
showError(req, res, 404);
|
||||
});
|
||||
|
||||
// catch all other methods and return 400
|
||||
app.all('*', (req, res) => {
|
||||
res.status(400).send('bad request');
|
||||
});
|
||||
|
||||
//log all server errors
|
||||
app.use((err, req, res, next) => {
|
||||
console.log(cons.error, `error when handling ${req.method} ${req.path} request : ${err}`);
|
||||
if (!config['error_log']) {
|
||||
next(err);
|
||||
}
|
||||
fs.appendFile(config['error_log'],
|
||||
`500 ${req.method} ${req.url} ${new Date().toUTCString()} ${req.ips.join(' ') || req.ip}\n${err.stack}\n`,
|
||||
{encoding: 'UTF-8'}, () => {
|
||||
next(err);
|
||||
});
|
||||
});
|
||||
|
||||
// must be use in a server.js to start the server
|
||||
app.start = () => {
|
||||
reload(() => {
|
||||
app.listen(config['node_port'], () => {
|
||||
console.log(cons.ok, `gitblog.md server listening on port ${config['node_port']}`);
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
return app;
|
||||
};
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user