hedgedoc/old_src/lib/web/note/controller.ts
David Mehren 7b9f9a487b
Move old backend code to old_src folder
Signed-off-by: David Mehren <git@herrmehren.de>
2020-08-20 19:43:05 +02:00

131 lines
4.4 KiB
TypeScript

import { Request, Response } from 'express'
import { config } from '../../config'
import { errors } from '../../errors'
import { logger } from '../../logger'
import { Note } from '../../models'
import * as ActionController from './actions'
import * as NoteUtils from './util'
export function publishNoteActions (req: Request, res: Response): void {
NoteUtils.findNoteOrCreate(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 : Note.encodeNoteId(note.id)) + '?both')
break
default:
res.redirect(config.serverURL + '/s/' + note.shortid)
break
}
})
}
export function showPublishNote (req: Request, res: Response): void {
NoteUtils.findNoteOrCreate(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)
}
NoteUtils.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)
})
})
}
export function showNote (req: Request, res: Response): void {
NoteUtils.findNoteOrCreate(req, res, function (note) {
// force to use note id
const noteId = req.params.noteId
const id = 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 = Note.extractMeta(body)
const meta = Note.parseMeta(extracted.meta)
let title = Note.decodeTitle(note.title)
title = Note.generateWebTitle(meta.title || title)
const opengraph = 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
})
})
}
export function createFromPOST (req: Request, res: Response): void {
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 NoteUtils.newNote(req, res, body)
}
export function doAction (req: Request, res: Response): void {
const noteId = req.params.noteId
NoteUtils.findNoteOrCreate(req, res, (note) => {
const action = req.params.action
// TODO: Don't switch on action, choose action in Router and use separate functions
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':
ActionController.getInfo(req, res, note)
break
case 'gist':
ActionController.createGist(req, res, note)
break
case 'revision':
ActionController.getRevision(req, res, note)
break
default:
return res.redirect(config.serverURL + '/' + noteId)
}
})
}
export function downloadMarkdown (req: Request, res: Response, note): void {
const body = note.content
let filename = 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)
}