79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
const router = require('express').Router()
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const mcache = require('memory-cache')
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const md = require('markdown-it')({ typographer: true })
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md.use(require('markdown-it-anchor'), {permalink: true, level: 2, permalinkBefore: true, permalinkSymbol: "§"})
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md.use(require('markdown-it-title'), 0)
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const fs = require('fs')
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const path = require('path')
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module.exports = (plugin, app) => {
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const cache = function(duration) {
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return function(req, res, next) {
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let key = '__'+app.live.conf['shortname']+'__' + req.originalUrl || req.url
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let cached = mcache.get(key)
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if (cached) {
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res.send(cached)
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return
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} else {
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res.sendResponse = res.send
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res.send = function(body) {
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mcache.put(key, body, duration * 60 * 1000 )
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res.sendResponse(body)
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}
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next()
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}
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}
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}
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router.get('*', cache(1), function(req, res) {
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let target = req.path
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if (target === "/") { // Root
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target = '/index'
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} else if (target.charAt(target.length-1) == '/') { // Directory Index
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target = target.substring(0, target.length-1)
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}
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let file = path.join(app.config.srd, target+'.md')
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let crumbs = target.split('/')
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fs.readFile(file, (err, data) => {
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if (err) {
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res.render('index', {content: '404', menu: app.live.menu, location: '404', title: '404', www_name: app.live.conf.www_name, www_copyright: app.live.conf.www_copyright })
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return
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//throw err
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}
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// make a local copy of our dictionary and remove the current page, if existing
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let local_dictionary = Object.assign({}, app.dictionary)
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delete local_dictionary[crumbs[crumbs.length-1]]
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let text
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if (Object.keys(local_dictionary).length !== 0) {
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// replace words using our local dictionary
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let regexp = RegExp ('[^\[(]\\b(' + Object.keys (local_dictionary).join ('|') + ')\\b', 'g')
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text = data.toString().replace(regexp, function (_, word) { return _.charAt(0)+local_dictionary[word] })
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} else {
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text = data.toString()
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}
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// render out the md
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let env = {}
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let rendered = md.render(text, env)
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// build the location
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let loc = '<a href="/">'+app.live.conf['shortname']+'</a>'
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for (let i = 1; i < crumbs.length; i++) {
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if (crumbs[i] == '') continue
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loc += ' → <a href="'+crumbs.slice(0,i).join('/')+'/'+crumbs[i]+'">'+(i == crumbs.length-1 ? env.title : crumbs[i].replace('-', ' '))+'</a>'
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}
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let title = env.title
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// render with the engine
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res.render('index', {content: rendered, menu: app.live.menu, location: loc, title: (title != 'index' ? title : ''), www_name: app.live.conf.www_name, www_copyright: app.live.conf.www_copyright })
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})
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})
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return router
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}
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