From 890998bce504ea2b21757585467c563c06ccccaf Mon Sep 17 00:00:00 2001
From: MrFry <mrfry@airmail.cc>
Date: Wed, 25 Mar 2020 16:39:55 +0100
Subject: [PATCH] Added uploaddata API for dataEditor module

---
 devel/readme.md    |  7 +++++
 modules/api/api.js | 70 +++++++++++++++++++++++++++++++++++++++++++---
 utils/utils.js     |  8 +++++-
 3 files changed, 80 insertions(+), 5 deletions(-)

diff --git a/devel/readme.md b/devel/readme.md
index bf0ddfa..6069497 100644
--- a/devel/readme.md
+++ b/devel/readme.md
@@ -22,6 +22,9 @@ Jelenleg a max ilyen 3-4 körül van. Minél nagyobb a szám annál bővebb a lo
 
 ## Hogy az API és a többi modul tudjon kommunikálni:
 
+__Ezt a rész csak nagyon kevés esetben kell megcsinálni, ajánlott kihagyni! Ennélkül is működik
+lokálisan az API és a usercript!__
+
 1. Ezt a pár sort add hozzá a `/etc/hosts` fájlhoz:
    
    ```
@@ -71,3 +74,7 @@ Cliens ID összes statisztika napokba rendezve
 ### recdata
 
 Az az adat, amit a szerver az `/isadding` végpontra kap
+
+### dataEdits
+
+Néhány fontos log amit az api generál mikor a felhasználók a dataEditor modult használják
diff --git a/modules/api/api.js b/modules/api/api.js
index 70e2115..ed3a210 100644
--- a/modules/api/api.js
+++ b/modules/api/api.js
@@ -36,6 +36,8 @@ const dataFile = 'public/data.json'
 const msgFile = 'stats/msgs'
 const motdFile = 'public/motd'
 const versionFile = 'public/version'
+const passwordFile = 'data/dataEditorPasswords.json'
+const dataEditsLog = 'stats/dataEdits'
 
 app.set('view engine', 'ejs')
 app.set('views', [
@@ -45,16 +47,15 @@ app.set('views', [
 app.use(express.static('public'))
 app.use(busboy({
   limits: {
-    fileSize: 10000 * 1024 * 1024
+    fileSize: 50000 * 1024 * 1024
   }
 }))
-app.use(bodyParser.json())
 app.use(bodyParser.urlencoded({
-  limit: '5mb',
+  limit: '10mb',
   extended: true
 }))
 app.use(bodyParser.json({
-  limit: '5mb'
+  limit: '10mb'
 }))
 
 var data = actions.LoadJSON(dataFile)
@@ -159,6 +160,67 @@ app.get('/allqr.txt', function (req, res) {
 // -------------------------------------------------------------------------------------------
 // API
 
+app.post('/uploaddata', (req, res) => {
+  // body: JSON.stringify({
+  //   newData: data,
+  //   count: getCount(data),
+  //   initialCount: initialCount,
+  //   password: password,
+  //   editedQuestions: editedQuestions
+  // })
+
+  const { count, initialCount, editedQuestions, password, newData } = req.body
+  const respStatuses = {
+    invalidPass: 'invalidPass',
+    ok: 'ok',
+    error: 'error'
+  }
+
+  logger.LogReq(req)
+
+  try {
+    // finding user
+    const pwds = JSON.parse(utils.ReadFile(passwordFile))
+    let user = Object.keys(pwds).find((key) => {
+      const u = pwds[key]
+      return u.password === password
+    })
+    user = pwds[user]
+
+    // logging and stuff
+    logger.Log(`Data upload`, logger.GetColor('bluebg'), true)
+    logger.Log(`PWD: ${password}`, logger.GetColor('bluebg'), true)
+    // returning if user password is not ok
+    if (!user) {
+      logger.Log(`Data upload: invalid password ${password}`, logger.GetColor('red'), true)
+      utils.AppendToFile(logger.GetDateString() + '\n' + password + '(FAILED PASSWORD)\n' + JSON.stringify(editedQuestions) + '\n\n', dataEditsLog)
+      res.json({ status: respStatuses.invalidPass })
+      return
+    }
+
+    logger.Log(`Password accepted for ${user.name}`, logger.GetColor('bluebg'), true)
+    logger.Log(`Old Subjects/Questions: ${initialCount.subjectCount} / ${initialCount.questionCount} | New: ${count.subjectCount} / ${count.questionCount} | Edited question count: ${Object.keys(editedQuestions).length}`, logger.GetColor('bluebg'), true)
+    // saving detailed editedCount
+    utils.AppendToFile(logger.GetDateString() + '\n' + JSON.stringify(user) + '\n' + JSON.stringify(editedQuestions) + '\n\n', dataEditsLog)
+
+    // making backup
+    utils.CopyFile('./' + dataFile, `./public/backs/data_before_${user.name}_${new Date().toString().replace(/ /g, '_')}`)
+    // writing data
+    utils.WriteFile(JSON.stringify(data), dataFile)
+    // reloading data file
+    data = newData
+
+    res.json({
+      status: respStatuses.ok,
+      user: user.name
+    })
+  } catch (e) {
+    logger.Log(`Data upload error! `, logger.GetColor('redbg'), true)
+    console.error(e)
+    res.json({ status: respStatuses.error, msg: e.message })
+  }
+})
+
 app.post('/isAdding', function (req, res) {
   logger.LogReq(req)
 
diff --git a/utils/utils.js b/utils/utils.js
index 82c5843..c376773 100755
--- a/utils/utils.js
+++ b/utils/utils.js
@@ -8,7 +8,8 @@ module.exports = {
   FileExists: FileExists,
   CreatePath: CreatePath,
   WatchFile: WatchFile,
-  ReadDir: ReadDir
+  ReadDir: ReadDir,
+  CopyFile: CopyFile
 }
 
 var fs = require('fs')
@@ -17,6 +18,11 @@ var logger = require('../utils/logger.js')
 
 const dataFile = './public/data.json'
 
+function CopyFile (from, to) {
+  CreatePath(to)
+  fs.copyFileSync(from, to)
+}
+
 function ReadDir (path) {
   return fs.readdirSync(path)
 }