diff options
Diffstat (limited to 'lib/web/note')
-rw-r--r-- | lib/web/note/actions.js | 122 | ||||
-rw-r--r-- | lib/web/note/controller.js | 147 | ||||
-rw-r--r-- | lib/web/note/router.js | 30 | ||||
-rw-r--r-- | lib/web/note/slide.js | 45 | ||||
-rw-r--r-- | lib/web/note/util.js | 109 |
5 files changed, 453 insertions, 0 deletions
diff --git a/lib/web/note/actions.js b/lib/web/note/actions.js new file mode 100644 index 00000000..9ff7fedb --- /dev/null +++ b/lib/web/note/actions.js @@ -0,0 +1,122 @@ +const models = require('../../models') +const logger = require('../../logger') +const config = require('../../config') +const errors = require('../../errors') +const fs = require('fs') +const shortId = require('shortid') +const markdownpdf = require('markdown-pdf') +const moment = require('moment') +const querystring = require('querystring') + +exports.getInfo = function getInfo (req, res, note) { + const body = note.content + const extracted = models.Note.extractMeta(body) + const markdown = extracted.markdown + const meta = models.Note.parseMeta(extracted.meta) + const createtime = note.createdAt + const updatetime = note.lastchangeAt + const title = models.Note.decodeTitle(note.title) + const data = { + title: meta.title || title, + description: meta.description || (markdown ? models.Note.generateDescription(markdown) : null), + viewcount: note.viewcount, + createtime: createtime, + updatetime: updatetime + } + res.set({ + 'Access-Control-Allow-Origin': '*', // allow CORS as API + 'Access-Control-Allow-Headers': 'Range', + 'Access-Control-Expose-Headers': 'Cache-Control, Content-Encoding, Content-Range', + 'Cache-Control': 'private', // only cache by client + 'X-Robots-Tag': 'noindex, nofollow' // prevent crawling + }) + res.send(data) +} + +exports.createPDF = function createPDF (req, res, note) { + const url = config.serverURL || 'http://' + req.get('host') + const body = note.content + const extracted = models.Note.extractMeta(body) + let content = extracted.markdown + const title = models.Note.decodeTitle(note.title) + + if (!fs.existsSync(config.tmpPath)) { + fs.mkdirSync(config.tmpPath) + } + const path = config.tmpPath + '/' + Date.now() + '.pdf' + content = content.replace(/\]\(\//g, '](' + url + '/') + markdownpdf().from.string(content).to(path, function () { + if (!fs.existsSync(path)) { + logger.error('PDF seems to not be generated as expected. File doesn\'t exist: ' + path) + return errors.errorInternalError(res) + } + const stream = fs.createReadStream(path) + let filename = title + // Be careful of special characters + filename = encodeURIComponent(filename) + // Ideally this should strip them + res.setHeader('Content-disposition', 'attachment; filename="' + filename + '.pdf"') + res.setHeader('Cache-Control', 'private') + res.setHeader('Content-Type', 'application/pdf; charset=UTF-8') + res.setHeader('X-Robots-Tag', 'noindex, nofollow') // prevent crawling + stream.pipe(res) + fs.unlinkSync(path) + }) +} + +exports.createGist = function createGist (req, res, note) { + const data = { + client_id: config.github.clientID, + redirect_uri: config.serverURL + '/auth/github/callback/' + models.Note.encodeNoteId(note.id) + '/gist', + scope: 'gist', + state: shortId.generate() + } + const query = querystring.stringify(data) + res.redirect('https://github.com/login/oauth/authorize?' + query) +} + +exports.getRevision = function getRevision (req, res, note) { + const actionId = req.params.actionId + if (actionId) { + const time = moment(parseInt(actionId)) + if (time.isValid()) { + models.Revision.getPatchedNoteRevisionByTime(note, time, function (err, content) { + if (err) { + logger.error(err) + return errors.errorInternalError(res) + } + if (!content) { + return errors.errorNotFound(res) + } + res.set({ + 'Access-Control-Allow-Origin': '*', // allow CORS as API + 'Access-Control-Allow-Headers': 'Range', + 'Access-Control-Expose-Headers': 'Cache-Control, Content-Encoding, Content-Range', + 'Cache-Control': 'private', // only cache by client + 'X-Robots-Tag': 'noindex, nofollow' // prevent crawling + }) + res.send(content) + }) + } else { + return errors.errorNotFound(res) + } + } else { + models.Revision.getNoteRevisions(note, function (err, data) { + if (err) { + logger.error(err) + return errors.errorInternalError(res) + } + const out = { + revision: data + } + res.set({ + 'Access-Control-Allow-Origin': '*', // allow CORS as API + 'Access-Control-Allow-Headers': 'Range', + 'Access-Control-Expose-Headers': 'Cache-Control, Content-Encoding, Content-Range', + 'Cache-Control': 'private', // only cache by client + 'X-Robots-Tag': 'noindex, nofollow' // prevent crawling + }) + res.send(out) + }) + } +} diff --git a/lib/web/note/controller.js b/lib/web/note/controller.js new file mode 100644 index 00000000..e537fe08 --- /dev/null +++ b/lib/web/note/controller.js @@ -0,0 +1,147 @@ +'use strict' + +const models = require('../../models') +const logger = require('../../logger') +const config = require('../../config') +const errors = require('../../errors') + +const noteUtil = require('./util') +const noteActions = require('./actions') + +exports.publishNoteActions = function (req, res, next) { + noteUtil.findNote(req, res, function (note) { + const action = req.params.action + switch (action) { + case 'download': + exports.downloadMarkdown(req, res, note) + break + case 'edit': + res.redirect(config.serverURL + '/' + (note.alias ? note.alias : models.Note.encodeNoteId(note.id)) + '?both') + break + default: + res.redirect(config.serverURL + '/s/' + note.shortid) + break + } + }) +} + +exports.showPublishNote = function (req, res, next) { + const include = [{ + model: models.User, + as: 'owner' + }, { + model: models.User, + as: 'lastchangeuser' + }] + noteUtil.findNote(req, res, function (note) { + // force to use short id + const shortid = req.params.shortid + if ((note.alias && shortid !== note.alias) || (!note.alias && shortid !== note.shortid)) { + return res.redirect(config.serverURL + '/s/' + (note.alias || note.shortid)) + } + note.increment('viewcount').then(function (note) { + if (!note) { + return errors.errorNotFound(res) + } + noteUtil.getPublishData(req, res, note, (data) => { + res.set({ + 'Cache-Control': 'private' // only cache by client + }) + return res.render('pretty.ejs', data) + }) + }).catch(function (err) { + logger.error(err) + return errors.errorInternalError(res) + }) + }, include) +} + +exports.showNote = function (req, res, next) { + noteUtil.findNote(req, res, function (note) { + // force to use note id + const noteId = req.params.noteId + const id = models.Note.encodeNoteId(note.id) + if ((note.alias && noteId !== note.alias) || (!note.alias && noteId !== id)) { + return res.redirect(config.serverURL + '/' + (note.alias || id)) + } + const body = note.content + const extracted = models.Note.extractMeta(body) + const meta = models.Note.parseMeta(extracted.meta) + let title = models.Note.decodeTitle(note.title) + title = models.Note.generateWebTitle(meta.title || title) + const opengraph = models.Note.parseOpengraph(meta, title) + res.set({ + 'Cache-Control': 'private', // only cache by client + 'X-Robots-Tag': 'noindex, nofollow' // prevent crawling + }) + return res.render('codimd.ejs', { + title: title, + opengraph: opengraph + }) + }) +} + +exports.createFromPOST = function (req, res, next) { + let body = '' + if (req.body && req.body.length > config.documentMaxLength) { + return errors.errorTooLong(res) + } else if (req.body) { + body = req.body + } + body = body.replace(/[\r]/g, '') + return noteUtil.newNote(req, res, body) +} + +exports.doAction = function (req, res, next) { + const noteId = req.params.noteId + noteUtil.findNote(req, res, function (note) { + const action = req.params.action + switch (action) { + case 'publish': + case 'pretty': // pretty deprecated + res.redirect(config.serverURL + '/s/' + (note.alias || note.shortid)) + break + case 'slide': + res.redirect(config.serverURL + '/p/' + (note.alias || note.shortid)) + break + case 'download': + exports.downloadMarkdown(req, res, note) + break + case 'info': + noteActions.getInfo(req, res, note) + break + case 'pdf': + if (config.allowPDFExport) { + noteActions.createPDF(req, res, note) + } else { + logger.error('PDF export failed: Disabled by config. Set "allowPDFExport: true" to enable. Check the documentation for details') + errors.errorForbidden(res) + } + break + case 'gist': + noteActions.createGist(req, res, note) + break + case 'revision': + noteActions.getRevision(req, res, note) + break + default: + return res.redirect(config.serverURL + '/' + noteId) + } + }) +} + +exports.downloadMarkdown = function (req, res, note) { + const body = note.content + let filename = models.Note.decodeTitle(note.title) + filename = encodeURIComponent(filename) + res.set({ + 'Access-Control-Allow-Origin': '*', // allow CORS as API + 'Access-Control-Allow-Headers': 'Range', + 'Access-Control-Expose-Headers': 'Cache-Control, Content-Encoding, Content-Range', + 'Content-Type': 'text/markdown; charset=UTF-8', + 'Cache-Control': 'private', + 'Content-disposition': 'attachment; filename=' + filename + '.md', + 'X-Robots-Tag': 'noindex, nofollow' // prevent crawling + }) + res.send(body) +} diff --git a/lib/web/note/router.js b/lib/web/note/router.js new file mode 100644 index 00000000..cf6fdf43 --- /dev/null +++ b/lib/web/note/router.js @@ -0,0 +1,30 @@ +'use strict' + +const Router = require('express').Router +const { markdownParser } = require('../utils') + +const router = module.exports = Router() + +const noteController = require('./controller') +const slide = require('./slide') + +// get new note +router.get('/new', noteController.createFromPOST) +// post new note with content +router.post('/new', markdownParser, noteController.createFromPOST) +// post new note with content and alias +router.post('/new/:noteId', markdownParser, noteController.createFromPOST) +// get publish note +router.get('/s/:shortid', noteController.showPublishNote) +// publish note actions +router.get('/s/:shortid/:action', noteController.publishNoteActions) +// get publish slide +router.get('/p/:shortid', slide.showPublishSlide) +// publish slide actions +router.get('/p/:shortid/:action', slide.publishSlideActions) +// get note by id +router.get('/:noteId', noteController.showNote) +// note actions +router.get('/:noteId/:action', noteController.doAction) +// note actions with action id +router.get('/:noteId/:action/:actionId', noteController.doAction) diff --git a/lib/web/note/slide.js b/lib/web/note/slide.js new file mode 100644 index 00000000..d2d2ccfc --- /dev/null +++ b/lib/web/note/slide.js @@ -0,0 +1,45 @@ +const noteUtil = require('./util') +const models = require('../../models') +const errors = require('../../errors') +const logger = require('../../logger') +const config = require('../../config') + +exports.publishSlideActions = function (req, res, next) { + noteUtil.findNote(req, res, function (note) { + const action = req.params.action + if (action === 'edit') { + res.redirect(config.serverURL + '/' + (note.alias ? note.alias : models.Note.encodeNoteId(note.id)) + '?both') + } else { res.redirect(config.serverURL + '/p/' + note.shortid) } + }) +} + +exports.showPublishSlide = function (req, res, next) { + const include = [{ + model: models.User, + as: 'owner' + }, { + model: models.User, + as: 'lastchangeuser' + }] + noteUtil.findNote(req, res, function (note) { + // force to use short id + const shortid = req.params.shortid + if ((note.alias && shortid !== note.alias) || (!note.alias && shortid !== note.shortid)) { + return res.redirect(config.serverURL + '/p/' + (note.alias || note.shortid)) + } + note.increment('viewcount').then(function (note) { + if (!note) { + return errors.errorNotFound(res) + } + noteUtil.getPublishData(req, res, note, (data) => { + res.set({ + 'Cache-Control': 'private' // only cache by client + }) + return res.render('slide.ejs', data) + }) + }).catch(function (err) { + logger.error(err) + return errors.errorInternalError(res) + }) + }, include) +} diff --git a/lib/web/note/util.js b/lib/web/note/util.js new file mode 100644 index 00000000..eadfb1a3 --- /dev/null +++ b/lib/web/note/util.js @@ -0,0 +1,109 @@ +const models = require('../../models') +const logger = require('../../logger') +const config = require('../../config') +const errors = require('../../errors') +const fs = require('fs') +const path = require('path') + +exports.findNote = function (req, res, callback, include) { + const id = req.params.noteId || req.params.shortid + models.Note.parseNoteId(id, function (err, _id) { + if (err) { + logger.error(err) + return errors.errorInternalError(res) + } + models.Note.findOne({ + where: { + id: _id + }, + include: include || null + }).then(function (note) { + if (!note) { + return exports.newNote(req, res, null) + } + if (!exports.checkViewPermission(req, note)) { + return errors.errorForbidden(res) + } else { + return callback(note) + } + }).catch(function (err) { + logger.error(err) + return errors.errorInternalError(res) + }) + }) +} + +exports.checkViewPermission = function (req, note) { + if (note.permission === 'private') { + return !(!req.isAuthenticated() || note.ownerId !== req.user.id) + } else if (note.permission === 'limited' || note.permission === 'protected') { + return req.isAuthenticated() + } else { + return true + } +} + +exports.newNote = function (req, res, body) { + let owner = null + const noteId = req.params.noteId ? req.params.noteId : null + if (req.isAuthenticated()) { + owner = req.user.id + } else if (!config.allowAnonymous) { + return errors.errorForbidden(res) + } + if (config.allowFreeURL && noteId && !config.forbiddenNoteIDs.includes(noteId)) { + req.alias = noteId + } else if (noteId) { + return req.method === 'POST' ? errors.errorForbidden(res) : errors.errorNotFound(res) + } + models.Note.create({ + ownerId: owner, + alias: req.alias ? req.alias : null, + content: body + }).then(function (note) { + return res.redirect(config.serverURL + '/' + (note.alias ? note.alias : models.Note.encodeNoteId(note.id))) + }).catch(function (err) { + logger.error(err) + return errors.errorInternalError(res) + }) +} + +exports.getPublishData = function (req, res, note, callback) { + const body = note.content + const extracted = models.Note.extractMeta(body) + const markdown = extracted.markdown + const meta = models.Note.parseMeta(extracted.meta) + const createtime = note.createdAt + const updatetime = note.lastchangeAt + let title = models.Note.decodeTitle(note.title) + title = models.Note.generateWebTitle(meta.title || title) + const ogdata = models.Note.parseOpengraph(meta, title) + const data = { + title: title, + description: meta.description || (markdown ? models.Note.generateDescription(markdown) : null), + viewcount: note.viewcount, + createtime: createtime, + updatetime: updatetime, + body: markdown, + theme: meta.slideOptions && isRevealTheme(meta.slideOptions.theme), + meta: JSON.stringify(extracted.meta), + owner: note.owner ? note.owner.id : null, + ownerprofile: note.owner ? models.User.getProfile(note.owner) : null, + lastchangeuser: note.lastchangeuser ? note.lastchangeuser.id : null, + lastchangeuserprofile: note.lastchangeuser ? models.User.getProfile(note.lastchangeuser) : null, + robots: meta.robots || false, // default allow robots + GA: meta.GA, + disqus: meta.disqus, + cspNonce: res.locals.nonce, + dnt: req.headers.dnt, + opengraph: ogdata + } + callback(data) +} + +function isRevealTheme (theme) { + if (fs.existsSync(path.join(__dirname, '..', 'public', 'build', 'reveal.js', 'css', 'theme', theme + '.css'))) { + return theme + } + return undefined +} |