From 6e5e6696ad5c336be700641caf94676a281fc181 Mon Sep 17 00:00:00 2001
From: Erik Michelson
Date: Wed, 4 Sep 2019 20:25:32 +0200
Subject: Refactored note-creation with given noteId

Known bugs/features:
 - pushing towards an existing note results in an error 500

Signed-off-by: Erik Michelson <erik@liltv.de>
---
 lib/response.js       | 26 +++++++++++++++-----------
 lib/web/noteRouter.js |  6 +++---
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/lib/response.js b/lib/response.js
index cf4b5c1d..81d732a5 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -41,12 +41,12 @@ var response = {
   errorServiceUnavailable: function (res) {
     res.status(503).send("I'm busy right now, try again later.")
   },
-  newNote: newNote,
   showNote: showNote,
   showPublishNote: showPublishNote,
   showPublishSlide: showPublishSlide,
   showIndex: showIndex,
   noteActions: noteActions,
+  postNote: postNote,
   publishNoteActions: publishNoteActions,
   publishSlideActions: publishSlideActions,
   githubActions: githubActions,
@@ -107,8 +107,7 @@ function responseCodiMD (res, note) {
   })
 }
 
-function newNote (req, res, next) {
-  var owner = null
+function postNote (req, res, next) {
   var body = ''
   if (req.body && req.body.length > config.documentMaxLength) {
     return response.errorTooLong(res)
@@ -116,14 +115,25 @@ function newNote (req, res, next) {
     body = req.body
   }
   body = body.replace(/[\r]/g, '')
+  return newNote(req, res, body)
+}
+
+function newNote (req, res, body) {
+  var owner = null
+  var noteId = req.params.noteId ? req.params.noteId : null
   if (req.isAuthenticated()) {
     owner = req.user.id
   } else if (!config.allowAnonymous) {
     return response.errorForbidden(res)
   }
+  if (config.allowFreeURL && noteId && !config.forbiddenNoteIDs.includes(noteId)) {
+    req.alias = noteId
+  } else if (noteId) {
+    return req.method === 'POST' ? response.errorForbidden(res) : response.errorNotFound(res)
+  }
   models.Note.create({
     ownerId: owner,
-    alias: req.alias ? req.alias : (config.allowFreeURL ? (req.params.alias ? req.params.alias : null) : null),
+    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)))
@@ -144,7 +154,6 @@ function checkViewPermission (req, note) {
 }
 
 function findNote (req, res, callback, include) {
-  var noteId = req.params.noteId
   var id = req.params.noteId || req.params.shortid
   models.Note.parseNoteId(id, function (err, _id) {
     if (err) {
@@ -158,12 +167,7 @@ function findNote (req, res, callback, include) {
       include: include || null
     }).then(function (note) {
       if (!note) {
-        if (config.allowFreeURL && noteId && !config.forbiddenNoteIDs.includes(noteId)) {
-          req.alias = noteId
-          return newNote(req, res)
-        } else {
-          return response.errorNotFound(res)
-        }
+        return newNote(req, res, null)
       }
       if (!checkViewPermission(req, note)) {
         return response.errorForbidden(res)
diff --git a/lib/web/noteRouter.js b/lib/web/noteRouter.js
index 78cb69e5..58e93019 100644
--- a/lib/web/noteRouter.js
+++ b/lib/web/noteRouter.js
@@ -9,11 +9,11 @@ const { markdownParser } = require('./utils')
 const noteRouter = module.exports = Router()
 
 // get new note
-noteRouter.get('/new', response.newNote)
+noteRouter.get('/new', response.postNote)
 // post new note with content
-noteRouter.post('/new', markdownParser, response.newNote)
+noteRouter.post('/new', markdownParser, response.postNote)
 // post new note with content and alias
-noteRouter.post('/new/:alias', markdownParser, response.newNote)
+noteRouter.post('/new/:noteId', markdownParser, response.postNote)
 // get publish note
 noteRouter.get('/s/:shortid', response.showPublishNote)
 // publish note actions
-- 
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