Cleanup, Updated Docs

deleted old/unused code

.github/FUNDING.yml

@@ -1,13 +0,0 @@
-# These are supported funding model platforms
-
-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
-custom: ['https://paypal.me/froodleplex?country.x=GB&locale.x=en_GB'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/dependabot.yml

@@ -1,11 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: "gradle" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "weekly"

.github/workflows/codeql.yml

@@ -1,56 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "CodeQL"
-
-on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ "main" ]
-  schedule:
-    - cron: '15 12 * * 1'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
-      
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
-      with:
-        java-version: '17'
-        distribution: 'temurin'
-
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: java
-
-    - uses: gradle/gradle-build-action@v2.3.3
-      with:
-        gradle-version: 7.6
-        arguments: assemble --no-build-cache
-
-    - name: Perform CodeQL analysis
-      uses: github/codeql-action/analyze@v2

.github/workflows/push-docker.yml

@@ -1,73 +0,0 @@
-name: Push Docker Image with VersionNumber
-
-on:
-  push:
-    branches: 
-      - master
-      - testGit
-      - main
-jobs:
-  push:
-
-    runs-on: ubuntu-latest
-    steps:
-
-    - uses: actions/checkout@v3
-    
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
-      with:
-        java-version: '17'
-        distribution: 'temurin'
-    
-
-    - uses: gradle/gradle-build-action@v2.3.3
-      with:
-        gradle-version: 7.6
-        arguments: clean build
-
-    - name: Make Gradle wrapper executable
-      run: chmod +x gradlew
-      
-    - name: Get version number
-      id: versionNumber
-      run: echo "::set-output name=versionNumber::$(./gradlew printVersion --quiet | tail -1)"
-    
-    - name: Login to Docker Hub
-      uses: docker/login-action@v2.1.0
-      with:
-        username: ${{ secrets.DOCKER_HUB_USERNAME }}
-        password: ${{ secrets.DOCKER_HUB_API }} 
-   
-    - name: Check if tag exists
-      id: checkIdExists
-      continue-on-error: true
-      run: |
-        response=$(curl -s https://hub.docker.com/v2/repositories/frooodle/s-pdf/tags/?name=${{ steps.versionNumber.outputs.versionNumber }})
-        result=$(echo $response | jq ".results")
-        if [ "$result" == "[]" ]; then
-          echo "Tag ${{ steps.versionNumber.outputs.versionNumber }} doesnt exist. Continuing with build and push."
-        else
-          echo "Tag ${{ steps.versionNumber.outputs.versionNumber }} already exists. Skipping build and push."
-          exit 1;
-        fi
-
-   
-   
-    - name: Setup buildx
-      run: |
-        docker buildx create --name mybuilder
-        docker buildx use mybuilder
-        
-    - name: Build and push versioned amd64 and v8 
-      if: github.ref == 'refs/heads/main' && steps.checkIdExists.outcome != 'failure'
-      run: | 
-        docker buildx build --platform="linux/amd64,linux/arm64/v8" --push --tag "frooodle/s-pdf:${{ steps.versionNumber.outputs.versionNumber }}" .
-
-   
-    - name: Build and push latest amd64 and v8
-      if: github.ref == 'refs/heads/master'
-      run: | 
-        docker buildx build --platform="linux/amd64,linux/arm64/v8" --push --tag "frooodle/s-pdf:latest" .
-        
-        

.gitignore

@@ -1,110 +1,10 @@
-
-
-### Eclipse ###
-.metadata
-bin/
-tmp/
-*.tmp
-*.bak
-*.swp
-*~.nib
-local.properties
-.settings/
-.loadpath
-.recommenders
-.classpath
-.project
-
-# Gradle
-.gradle
-.lock
-
-# External tool builders
-.externalToolBuilders/
-
-# Locally stored "Eclipse launch configurations"
-*.launch
-
-# PyDev specific (Python IDE for Eclipse)
-*.pydevproject
-
-# CDT-specific (C/C++ Development Tooling)
-.cproject
-
-# CDT- autotools
-.autotools
-
-# Java annotation processor (APT)
-.factorypath
-
-# PDT-specific (PHP Development Tools)
-.buildpath
-
-# sbteclipse plugin
-.target
-
-# Tern plugin
-.tern-project
-
-# TeXlipse plugin
-.texlipse
-
-# STS (Spring Tool Suite)
-.springBeans
-
-# Code Recommenders
-.recommenders/
-
-# Annotation Processing
-.apt_generated/
-.apt_generated_test/
-
-# Scala IDE specific (Scala & Java development for Eclipse)
-.cache-main
-.scala_dependencies
-.worksheet
-
-# Uncomment this line if you wish to ignore the project description file.
-# Typically, this file would be tracked if it contains build/dependency configurations:
-#.project
-
-### Eclipse Patch ###
-# Spring Boot Tooling
-.sts4-cache/
-
-### Git ###
-# Created by git for backups. To disable backups in Git:
-# $ git config --global mergetool.keepBackup false
-*.orig
-
-# Created by git when using merge tools for conflicts
-*.BACKUP.*
-*.BASE.*
-*.LOCAL.*
-*.REMOTE.*
-*_BACKUP_*.txt
-*_BASE_*.txt
-*_LOCAL_*.txt
-*_REMOTE_*.txt
-
-### Java ###
-# Compiled class file
-*.class
-
-# Log file
-*.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
+node_modules/
+*.code-workspace
+.idea/
+dist/
+android/
+ios/
+releases/
+.vscode/
+.env.local
+/server-node/jobs

.npmrc

@@ -0,0 +1 @@
+engine-strict=true

CONTRIBUTE.md

@@ -0,0 +1,35 @@
+# Contribute
+
+This file should introduce you with the concepts and tools used in this project.
+
+## Basic Setup
+
+- Install/Update **Node (v22.2.0, [nvm](https://github.com/coreybutler/nvm-windows))** & NPM(>10.2.1)
+- To install all dependecies `npm run update-all-dependencies` (in [root](/))
+- To test your current setup and boot a complete install of spdf v2 run `npm run dev-all` (in [root](/))
+
+## Nomenclature
+
+- API - Probably refers to the “normal“ API of spdf v2 without workflows unless otherwise noted.
+- Workflow - Either the express-endpoint for running workflows or the user defined workflow-json
+- Action - A sub-element of a workflow describing what operation should run on the inputted file / output of the last action.
+- Operation - The actual function that will run on the pdf, including parameters.
+- Operator - The actual code/implementation of the Operation (e.g. impose.ts) OR The parent class of every Operator.
+- Validator - A function that makes sure things are as they should be. Every Operator must have one.
+- Decorator - Explanations and Human Readable names of fields, these will be displayed in the frontend and used to provide better errors for the (workflow-)API
+
+## Folder structure
+
+- client-tauri - The frontend - Can be built to web and to a desktop app (with extra functions) using tauri.
+- server-node - The backend - Provides extra functionality for the web client.
+- shared-operatons - Components (e.g. Operators) that are shared between frontend and backend.
+
+## Adding a PDF Operator
+
+An Operator is either shared by the server and the client or it might have different implementations based on if its executed by the client, desktop-backend or web-backend. The current structure allows us to define where the Operator can be run.
+
+## PDF Library Docs
+- [pdf-lib](https://pdf-lib.js.org) - js
+- [mozilla's pdfjs-dist/pdf.js](https://www.npmjs.com/package/pdfjs-dist) - js
+- [pdfcpu](https://pdfcpu.io) - go-wasm
+- [opencv-wasm](https://www.npmjs.com/package/opencv-wasm) - c++-wasm

Dockerfile

@@ -1,5 +0,0 @@
-FROM openjdk:17-jdk-slim
-COPY build/libs/*.jar app.jar
-EXPOSE 8080
-ENV LOG_LEVEL=INFO
-ENTRYPOINT ["java","-jar","/app.jar","-Dlogging.level=${LOG_LEVEL}"]

HowToAddNewLanguage.md

@@ -1,31 +0,0 @@
-<p align="center"><img src="https://raw.githubusercontent.com/Frooodle/Stirling-PDF/main/docs/stirling.png" width="80" ><br><h1 align="center">Stirling-PDF</h1>
-</p>
-
-
-# How to add new languages to Stirling-PDF
-
-Fork Stirling-PDF and make a new branch out of Main
-
-Then add reference to the language in the navbar by adding a new language entry to the dropdown
-
-https://github.com/Frooodle/Stirling-PDF/blob/main/src/main/resources/templates/fragments/navbar.html#L80
-
-For example to add Polish you would add 
-```
-<a class="dropdown-item lang_dropdown-item" href="" data-language-code="pl_PL">Polish</a>
-```
-The data-language-code is the code used to reference the file in the next step.
-
-Start by copying the existing english property file 
-
-[https://github.com/Frooodle/Stirling-PDF/tree/langSetup/src/main/resources/messages_en_GB.properties](https://github.com/Frooodle/Stirling-PDF/blob/main/src/main/resources/messages_en_US.properties)
-
-Copy and rename it to messages_{your data-language-code here}.properties, in the polish example you would set the name to messages_pl_PL.properties
-
-
-Then simply translate all property entries within that file and make a PR into main for others to use!
-
-If you do not have a java IDE i am happy to verify the changes worked once you raise PR (but wont be able to verify the translations themselves)
-
-
-

Jenkinsfile

@@ -1,33 +0,0 @@
-pipeline {
-    agent any
-    stages {
-        stage('Build') {
-            steps {
-				sh 'chmod 755 gradlew'
-                sh './gradlew build'
-            }
-        }
-        stage('Docker Build') {
-            steps {
-                script {
-                    def appVersion = sh(returnStdout: true, script: './gradlew printVersion -q').trim()
-                    def image = "frooodle/s-pdf:$appVersion"
-                    sh "docker build -t $image ."
-                }
-            }
-        }
-        stage('Docker Push') {
-            steps {
-                script {
-                    def appVersion = sh(returnStdout: true, script: './gradlew printVersion -q').trim()
-                    def image = "frooodle/s-pdf:$appVersion"
-                    withCredentials([string(credentialsId: 'docker_hub_access_token', variable: 'DOCKER_HUB_ACCESS_TOKEN')]) {
-				sh "docker login --username frooodle --password $DOCKER_HUB_ACCESS_TOKEN"
-                        sh "docker push $image"
-                    }
-                }
-            }
-    	
-	}
-   }
-}

LICENSE

@@ -1,201 +0,0 @@
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README.md

@@ -1,71 +1,159 @@
-<p align="center"><img src="https://raw.githubusercontent.com/Frooodle/Stirling-PDF/main/docs/stirling.png" width="80" ><br><h1 align="center">Stirling-PDF</h1>
-</p>
+# StirlingPDF rewrite
 
+This is the development repository for the new StirlingPDF backend. With the power of JS, WASM & GO this will provide almost all functionality SPDF can do currently directly on the client. For automation purposes this will still provide an API to automate your workflows.
 
-This is a locally hosted web application that allows you to perform various operations on PDF files, such as splitting and adding images.
+![alt text](https://media.discordapp.net/attachments/1174462312904663120/1272615545719619674/image.png?ex=6700d5d6&is=66ff8456&hm=3e36a0c2214f2de07ba4ff4833f86aed5f2f3447f61fe80f5396654b202139b8&=&format=webp&quality=lossless)
+This image is here to reflect current progress and will be updated accordingly.
 
-Started off as a 100% ChatGPT made application, slowly moving away from that as more features are added
+## Try the new API!
 
-I will support and fix/add things to this if there is a demand [Discord](https://discord.gg/Cn8pWhQRxZ)
+[![Run in Postman](https://run.pstmn.io/button.svg)](https://documenter.getpostman.com/view/30633786/2s9YRB1Wto)
 
+## Understanding Workflows
 
-![stirling-home](images/stirling-home.png)
+Workflows define how to apply operations to a PDF, including their order and relations with eachother.
 
+Workflows can be created via the web-ui and then exported or, if you want to brag a bit, you can create the JSON object yourself.
+
+### Basics
+
+To create your own, you have to understand a few key features first. You can also look at more examples our github repository.
+
+```json
+{
+  "outputOptions": {
+    "zip": false
+  },
+  "actions": [
+    {
+      "type": "extract",
+      "values": {
+        "pageIndexes": [0, 2]
+      },
+      "actions": []
+    }
+  ]
+}
+```
+
+The workflow above will extract the first (p\[0\]) and third (p\[2\]) page of the document.
+
+You can also nest workflows like this:
+
+```json
+{
+  "outputOptions": {
+    "zip": false
+  },
+  "actions": [
+    {
+      "type": "extract",
+      "values": {
+        "pageIndexes": [0, 2]
+      },
+      "actions": [
+        {
+          "type": "impose",
+          "values": {
+            "nup": 2, // 2 pages of the input document will be put on one page of the output document.
+            "format": "A4L" // A4L -> The page size of the Ouput will be an A4 in Landscape. You can also use other paper formats and "P" for portrait output. 
+          },
+          "actions": []
+        }
+      ]
+    }
+  ]
+}
+```
+
+If you look at it closely, you will see that the extract operation has another nested operation of the type impose. This workflow will produce a PDF with the 1st and 2nd page of the input on one single page.
+
+### Advanced
+
+If that is not enought for you usecase, there is also the possibility to connect operations with eachother.
+
+You can also do different operations to produce two different output PDFs from one input.
+
+If you are interested in learning about this, take a look at the Example workflows provided in the repository, ask on the discord, or wait for me to finish this documentation.
 
 ## Features
 
-- Split PDFs into multiple files at specified page numbers or extract all pages as individual files.
-- Merge multiple PDFs together into a single resultant file
-- Convert PDFs to and from images
-- Reorganize PDF pages into different orders.
-- Add images to PDFs at specified locations.
-- Rotating PDFs in 90 degree increments.
-- Compressing PDFs to decrease their filesize.
-- Add and remove passwords
-- Set PDF Permissions
-- Add watermark(s)
-- Dark mode support.
+### Rewrite Roadmap
 
-## Technologies used
-- Spring Boot + Thymeleaf
-- PDFBox
-- e-iceblue spire.pdf.free (for PDF compression untill i find a nicer way)
-- HTML, CSS, JavaScript
-- Docker
+* [X] Client side PDF-Manipulation
+* [X] Workflows
+* [X] passportjs backend (auth)
+* [ ] Auth in frontend
+* [ ] Feature equivalent with S-PDF v1
+* [ ] Stateful UI
+* [ ] Node based editing of Workflows
 
-## How to use
+### Functions
 
-### Locally
+Current functions of spdf and their progress in this repo.
 
-Prerequisites
-- Java 17 or later
-- Gradle 7.0 or later
+#### PDF Functions
 
-1. Clone or download the repository.
-2. Build the project using Gradle by running `./gradlew build`
-3. Start the application by running `./gradlew bootRun` or by calling the build jar in build/libs with java -jar jarName.jar
+| Status | Feature                                            | Description |
+| ------ | -------------------------------------------------- | ----------- |
+| ✔️   | arrange                                            |             |
+| ✔️   | extract                                            |             |
+| ✔️   | impose                                             |             |
+| ✔️   | merge                                              |             |
+| ✔️   | remove blank                                       |             |
+| ✔️   | remove                                             |             |
+| ✔️   | rotate pages                                       |             |
+| ✔️   | scale content                                      |             |
+| ✔️   | scale pages                                        |             |
+| ✔️   | split by preset                                    |             |
+| ✔️   | split by index                                     |             |
+| ✔️   | update metadata                                    |             |
+| ✔️   | pdf to single large page                           |             |
+| 🚧    | remove annotations                                 |             |
+| 🚧    | flatten                                            |             |
+| 🚧    | overlay pdfs                                       |             |
+| 🚧    | compress                                           |             |
+| 🚧    | change permissions                                 |             |
+| 🚧    | pdf to pdf/a                                       |             |
+| 🚧    | add page numbers                                   |             |
+| 🚧    | add image                                          |             |
+| 🚧    | add watermark                                      |             |
+| 🚧    | auto rename                                        |             |
+| 🚧    | add stamp                                          |             |
+| ❌     | repair                                             |             |
+| ❌     | sign with cert                                     |             |
+| ❌     | ocr                                                |             |
+| ❌     | auto split by size/count (+split by preset)        |             |
+| ❌     | split pdfs by sections/chapters (+split by preset) |             |
+| ❌     | adjust colors/contrast                             |             |
+| ❌     | adjust colors/contrast                             |             |
+| ❌     | sanitize                                           |             |
+| ❌     | sign                                               |             |
+| ❌     | basic text editing                                 |             |
+| ❌     | auto redact                                        |             |
 
+#### Generic Filetype (Filetypes are not supported by workflows yet. Coming Soon™)
 
-### Docker
-https://hub.docker.com/r/frooodle/s-pdf
+| Status | Feature             | Description |
+| ------ | ------------------- | ----------- |
+| 🚧    | image to pdf        |             |
+| 🚧    | pdf to image        |             |
+| 🚧    | extract images      |             |
+| 🚧    | show javascript     |             |
+| ❌     | convert file to pdf |             |
+| ❌     | pdf to word         |             |
+| ❌     | pdf to presentation |             |
+| ❌     | pdf to rtf          |             |
+| ❌     | pdf to html         |             |
+| ❌     | pdf to xml          |             |
+| ❌     | url/website to pdf  |             |
+| ❌     | markdown to pdf     |             |
+| ❌     | pdf to csv          |             |
+| ❌     | get all info        |             |
+| ❌     | compare             |             |
 
-Docker Run
-```
-docker run -p 8080:8080 frooodle/s-pdf
-```
-Docker Compose
-```
-version: '3.3'
-services:
-    s-pdf:
-        ports:
-            - '8080:8080'
-        image: frooodle/s-pdf
-```
+✔️: Done, 🚧: Possible with current Libraries, ❌: Planned Feature
 
-## How to View
-1. Open a web browser and navigate to `http://localhost:8080/`
-2. Use the application by following the instructions on the website.
+## Contribute
 
-## Note
-The application is currently not thread-safe
+For initial instructions look at [CONTRIBUTE.md](./CONTRIBUTE.md)

build.gradle

@@ -1,39 +0,0 @@
-plugins {
-	id 'java'
-	id 'org.springframework.boot' version '3.0.2'
-	id 'io.spring.dependency-management' version '1.1.0'
-}
-
-group = 'stirling.software'
-version = '0.3.2'
-sourceCompatibility = '17'
-
-repositories {
-	mavenCentral()
-	maven {
-        url "https://repo.e-iceblue.com/nexus/content/groups/public/"
-        name "com.e-iceblue"
-    }
-}
-
-dependencies {
-	implementation 'org.springframework.boot:spring-boot-starter-web'
-	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
-	implementation 'org.apache.pdfbox:pdfbox:2.0.27'
-	implementation 'org.apache.logging.log4j:log4j-core:2.19.0'
-	implementation 'e-iceblue:spire.pdf.free:5.1.0'
-}
-
-jar {
-    enabled = false
-}
-
-tasks.named('test') {
-	useJUnitPlatform()
-}
-
-task printVersion {
-  println project.version
-}
-

client-tauri/.env

@@ -0,0 +1,2 @@
+VITE_USE_AUTH=False
+VITE_BACKEND=""

client-tauri/.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

client-tauri/.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["tauri-apps.tauri-vscode", "rust-lang.rust-analyzer"]
+}

client-tauri/Dockerfile

@@ -0,0 +1,15 @@
+# Use an existing image as a base
+FROM node:22.2.0-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci --legacy-peer-deps
+
+RUN npm i -g serve
+
+COPY ./dist ./dist
+
+EXPOSE 3000
+
+CMD [ "serve", "-s", "dist", "-p", "3000" ]

client-tauri/Makefile

@@ -0,0 +1,13 @@
+vite-build:
+	npx tsc
+	npx vite build
+
+vite-dockerize:
+	make vite-build
+	bash -c "cp ../package-lock.json ./"
+	docker build . -t stirling-pdf:latest
+	bash -c "rm ./package-lock.json"
+	docker image prune
+
+tauri-build:
+	npx tauri build

client-tauri/README.md

@@ -0,0 +1,11 @@
+# Stirling-PDF frontend
+
+Tauri + Vite + React + Typescript
+
+## Development 
+
+Use the package scripts to start developement
+
+## Production
+
+Use the make file to build for the correct platform

client-tauri/index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/stirling-pdf-logo.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Tauri + React + TS</title>
+  </head>
+
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

client-tauri/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "@stirling-pdf/client-tauri",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "vite:dev": "vite",
+    "vite:preview-prod": "make vite-build && vite preview",
+    "tauri:build-debug": "npx tauri build --debug",
+    "tauri:dev": "tauri dev"
+  },
+  "dependencies": {
+    "@stirling-pdf/shared-operations": "^0.0.0",
+    "@tauri-apps/api": "^1.5.1",
+    "@types/semver": "^7.5.8",
+    "archiver": "^6.0.1",
+    "i18next": "^23.6.0",
+    "i18next-browser-languagedetector": "^7.1.0",
+    "path-browserify": "^1.0.1",
+    "pdfjs-dist": "^4.0.189",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-i18next": "^15.0.1",
+    "react-icons": "^4.11.0",
+    "react-material-symbols": "^4.4.0",
+    "react-router-bootstrap": "^0.26.2",
+    "react-router-dom": "^6.18.0",
+    "vite": "^5.4.2",
+    "vite-plugin-node-polyfills": "^0.22.0",
+    "vite-plugin-top-level-await": "^1.3.1"
+  },
+  "devDependencies": {
+    "@tauri-apps/cli": "^1.5.0",
+    "@types/archiver": "^6.0.2",
+    "@types/react": "^18.2.15",
+    "@types/react-dom": "^18.2.7",
+    "@types/react-router-bootstrap": "^0.26.5",
+    "@vitejs/plugin-react": "^4.3.1",
+    "typescript": "^5.0.2",
+    "vite-plugin-compile-time": "^0.2.1",
+    "vite-plugin-dynamic-import": "^1.5.0"
+  }
+}

client-tauri/src-tauri/.gitignore

@@ -0,0 +1,4 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+

client-tauri/src-tauri/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "StirlingPDF"
+version = "2.0.0" # needed for dev build?
+description = "Selfhosted PDF processing"
+authors = ["LaserKaspar, SaudF"]
+license = ""
+repository = ""
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+tauri-build = { version = "1.5", features = [] }
+
+[dependencies]
+tauri = { version = "1.5", features = [ "fs-remove-dir", "fs-create-dir", "shell-all", "fs-write-file", "fs-read-file", "dialog-save", "dialog-open"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+[features]
+# this feature is used for production builds or when `devPath` points to the filesystem
+# DO NOT REMOVE!!
+custom-protocol = ["tauri/custom-protocol"]

client-tauri/src-tauri/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build()
+}

client-tauri/src-tauri/src/main.rs

@@ -0,0 +1,15 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+// Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
+#[tauri::command]
+fn greet(name: &str) -> String {
+    format!("Hello, {}! You've been greeted from Rust!", name)
+}
+
+fn main() {
+    tauri::Builder::default()
+        .invoke_handler(tauri::generate_handler![greet])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

client-tauri/src-tauri/tauri.conf.json

@@ -0,0 +1,78 @@
+{
+  "build": {
+    "beforeDevCommand": "npm run vite:dev",
+    "beforeBuildCommand": "make vite-build",
+    "devPath": "http://localhost:1420",
+    "distDir": "../dist",
+    "withGlobalTauri": false
+  },
+  "package": {
+    "productName": "StirlingPDF",
+    "version": "2.0.0"
+  },
+  "tauri": {
+    "allowlist": {
+      "all": false,
+      "shell": {
+        "all": true,
+        "open": true,
+        "scope": [
+          {
+            "name": "libreoffice-version",
+            "cmd": "libreoffice",
+            "args": ["--version"]
+          },{
+            "name": "libreoffice-convert",
+            "cmd": "libreoffice",
+            "args": ["--headless","--convert-to",{ "validator": "\\S+" },{ "validator": "\\S+" },"--outdir",{ "validator": "\\S+" }]
+          }
+        ]
+      },
+      "dialog": {
+        "all": false,
+        "ask": false,
+        "confirm": false,
+        "message": false,
+        "open": true,
+        "save": true
+      },
+      "fs": {
+        "all": false,
+        "readFile": true,
+        "writeFile": true,
+        "readDir": false,
+        "copyFile": false,
+        "createDir": true,
+        "removeDir": true,
+        "removeFile": false,
+        "renameFile": false,
+        "exists": false
+      }
+    },
+    "bundle": {
+      "active": true,
+      "targets": "all",
+      "identifier": "com.stirlingtools.pdf",
+      "icon": [
+        "icons/32x32.png",
+        "icons/128x128.png",
+        "icons/128x128@2x.png",
+        "icons/icon.icns",
+        "icons/icon.ico"
+      ],
+      "category": "Business"
+    },
+    "security": {
+      "csp": null
+    },
+    "windows": [
+      {
+        "fullscreen": false,
+        "resizable": true,
+        "title": "StirlingPDF",
+        "width": 800,
+        "height": 600
+      }
+    ]
+  }
+}

client-tauri/src/App.tsx

@@ -0,0 +1,82 @@
+import { Fragment, Suspense } from "react";
+
+import { Routes, Route, Outlet, Navigate } from "react-router-dom";
+import Home from "./pages/Home";
+import Operators from "./pages/Operators";
+import NoMatch from "./pages/NoMatch";
+import NavBar from "./components/NavBar";
+
+import { useTranslation, initReactI18next } from "react-i18next";
+import LanguageDetector from "i18next-browser-languagedetector";
+
+import i18next from "i18next";
+import resourcesToBackend from "i18next-resources-to-backend";
+import { listOperatorNames } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
+import AuthenticatedRoute from "./components/AuthenticatedRoute";
+import Login from "./pages/Auth/Login";
+import Logout from "./pages/Auth/Logout";
+import Register from "./pages/Auth/Register";
+
+i18next.use(LanguageDetector).use(initReactI18next).use(resourcesToBackend((language: string, namespace: string) => import(`@stirling-pdf/shared-operations/public/locales/${namespace}/${language}.json`).catch((e) => console.warn("some component tried to render with an unsupported language, falling back to en", e))))
+.init({
+    debug: false,
+    ns: ["common"], // Preload this namespace, no need to add the others, they will load once their module is loaded
+    defaultNS: "common",
+    fallbackLng: "en",
+    interpolation: {
+        escapeValue: false,
+    },
+    initImmediate: false // Makes loading blocking but sync
+}); // TODO: use i18next.config.ts instead
+
+export default function App() {
+    return (
+        <Suspense fallback={<Loading/>}>
+            {/* Routes nest inside one another. Nested route paths build upon
+            parent route paths, and nested route elements render inside
+            parent route elements. See the note about <Outlet> below. */}
+            <Routes>
+                <Route path="/auth" element={<Layout />}>
+                    <Route index element={<Navigate to="/auth/login" />}/>
+                    <Route path="login" element={<Login />}></Route>
+                    <Route path="logout" element={<Logout />}></Route>
+                    <Route path="register" element={<Register />}></Route>
+                    <Route path="*" element={<NoMatch />} />
+                </Route>
+
+                <Route element={<AuthenticatedRoute />}>
+                    <Route path="/" element={<Layout />}>
+                        <Route index element={<Home />} />
+                        <Route path="*" element={<NoMatch />} />
+                    </Route>
+
+                    <Route path="/operators" element={<Layout />}>
+                        <Route index element={<NoMatch />} />
+                        {listOperatorNames().map((name) => {
+                            return <Route key={name} path={name} element={<Operators/>} />;
+                        })}
+                        <Route path="*" element={<NoMatch />} />
+                    </Route>
+                </Route>
+            </Routes>
+        </Suspense>
+    );
+}
+
+function Loading() {
+    return "Loading";
+}
+
+function Layout() {
+    const { t } = useTranslation();
+    return (
+        <div lang-direction={t("language.direction")}>
+            <NavBar/>
+
+            {/* An <Outlet> renders whatever child route is currently active,
+          so you can think about this <Outlet> as a placeholder for
+          the child routes we defined above. */}
+            <Outlet/>
+        </div>
+    );
+}

client-tauri/src/assets/favicon.svg

@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   version="1.1"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 512 512"
+   style="enable-background:new 0 0 512 512;"
+   xml:space="preserve"
+   sodipodi:docname="favicon.svg"
+   inkscape:version="1.2.2 (732a01da63, 2022-12-09)"
+   inkscape:export-filename="favicon.png"
+   inkscape:export-xdpi="96"
+   inkscape:export-ydpi="96"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+   id="defs173">
+
+
+		<linearGradient
+   id="XMLID_5_"
+   gradientUnits="userSpaceOnUse"
+   x1="304.496"
+   y1="422.9102"
+   x2="316.036"
+   y2="326.2626">
+			<stop
+   offset="0"
+   style="stop-color:#DCF1F3"
+   id="stop156" />
+			<stop
+   offset="1"
+   style="stop-color:#C2C2C9"
+   id="stop158" />
+		</linearGradient>
+
+	</defs><sodipodi:namedview
+   id="namedview171"
+   pagecolor="#ffffff"
+   bordercolor="#000000"
+   borderopacity="0.25"
+   inkscape:showpageshadow="2"
+   inkscape:pageopacity="0.0"
+   inkscape:pagecheckerboard="0"
+   inkscape:deskcolor="#d1d1d1"
+   showgrid="false"
+   inkscape:zoom="1.4142136"
+   inkscape:cx="219.91021"
+   inkscape:cy="232.63813"
+   inkscape:window-width="3840"
+   inkscape:window-height="2054"
+   inkscape:window-x="2869"
+   inkscape:window-y="-11"
+   inkscape:window-maximized="1"
+   inkscape:current-layer="XMLID_4_" />
+<style
+   type="text/css"
+   id="style150">
+	.st0{fill:#FFFFFF;}
+	.st1{fill:#C02223;}
+	.st2{fill:#882425;}
+	.st3{fill:url(#XMLID_5_);}
+	.st4{fill:url(#XMLID_7_);}
+</style>
+
+<g
+   id="XMLID_4_">
+	<path
+   id="XMLID_131_"
+   class="st1"
+   d="M 347.01402,14.355825 98.978019,69.02261 C 73.825483,74.547445 55.942464,96.792175 55.942464,122.52628 v 315.06096 c 0,22.39012 16.719895,41.14548 38.819234,43.76251 L 224.8861,498.36042 339.48636,384.26465 455.76603,265.15425 453.73057,84.870162 C 453.43979,62.916214 433.08513,46.632491 411.71274,51.284984 l -28.78729,6.251786 0.14539,-13.666697 C 383.36162,24.678542 365.62399,10.284894 347.01402,14.355825 Z"
+   sodipodi:nodetypes="ccssccccccccc"
+   style="stroke-width:1.45391" /><path
+   id="XMLID_117_"
+   class="st2"
+   d="m 383.21622,57.53677 v 285.8375 L 456.05681,265.00885 454.02135,78.763767 C 453.87595,59.863016 436.28372,45.905539 417.81914,49.97647 Z"
+   style="stroke-width:1.45391" /><polygon
+   id="XMLID_18_"
+   class="st3"
+   points="234.7,422.6 368.5,387.7 393.5,262.2 "
+   style="fill:url(#XMLID_5_)"
+   transform="matrix(1.4556308,0,0,1.4548265,-116.73161,-116.45231)" />
+	<linearGradient
+   id="XMLID_7_"
+   gradientUnits="userSpaceOnUse"
+   x1="223.0838"
+   y1="372.7559"
+   x2="241.4174"
+   y2="114.557"
+   gradientTransform="matrix(1.4539039,0,0,1.4539039,-116.19976,-116.20474)">
+		<stop
+   offset="0"
+   style="stop-color:#DCF1F3"
+   id="stop163" />
+		<stop
+   offset="1"
+   style="stop-color:#C2C2C9"
+   id="stop165" />
+	</linearGradient>
+	<path
+   id="XMLID_6_"
+   class="st4"
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+   style="fill:url(#XMLID_7_);stroke-width:1.45391" />
+</g>
+</svg>

client-tauri/src/assets/react.svg

@@ -0,0 +1 @@
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client-tauri/src/components/AuthenticatedRoute.tsx

@@ -0,0 +1,22 @@
+import { ReactNode } from "react";
+import { Navigate, Outlet } from "react-router-dom";
+
+interface AuthenticatedRouteProps {
+    isAuthenticated: boolean;
+    children?: ReactNode;  // Accepting children
+}
+
+
+function isAuthenticated() {
+    if (import.meta.env.VITE_USE_AUTH == "True") {
+        // TODO: if user is set in localstorage and is valid (either by time or by checking online) return true
+        return false;
+    }
+    return true;
+}
+
+function AuthenticatedRoute({}: {}): JSX.Element {
+    return isAuthenticated() ? <Outlet /> : <Navigate to="/auth/login" />;
+};
+
+export default AuthenticatedRoute;

client-tauri/src/components/BuildForm.module.css

@@ -0,0 +1,22 @@
+.fields {
+    margin: 20px 0;
+}
+
+.fields input, select {
+    width: 100%;
+    padding: 12px 20px;
+    margin: 8px 0;
+    display: inline-block;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    box-sizing: border-box;
+}
+
+.submit {
+    background-color: var(--md-sys-color-primary);;
+    border: none;
+    color: white;
+    padding: 16px 32px;
+    text-decoration: none;
+    cursor: pointer;
+}

client-tauri/src/components/BuildForm.tsx

@@ -0,0 +1,28 @@
+import Joi from "@stirling-tools/joi";
+import { GenericField } from "./fields/GenericField";
+import React from "react";
+
+import styles from "./BuildForm.module.css";
+
+interface BuildFormProps {
+    /** The text to display inside the button */
+    schemaDescription: Joi.Description | undefined;
+    onSubmit: React.FormEventHandler<HTMLFormElement>;
+}
+
+export function BuildForm({ schemaDescription, onSubmit }: BuildFormProps) {
+    console.log("Render Build Fields", schemaDescription);
+    const values = (schemaDescription?.keys as any)?.values.keys as { [key: string]: Joi.Description};
+    return (
+        <form onSubmit={(e) => { onSubmit(e); e.preventDefault(); }}>
+            <div className={styles.fields}>
+            {
+                values ? Object.keys(values).map((key) => {  
+                    return (<GenericField key={key} fieldName={key} joiDefinition={values[key]} />) 
+                }) : undefined
+            }
+            </div>
+            <input className={styles.submit} type="submit" value="Submit" />
+        </form>
+    );
+}

client-tauri/src/components/NavBar.module.css

@@ -0,0 +1,19 @@
+.navbar_brand {
+    color: var(--md-sys-color-on-surface) !important;
+}
+
+.main_icon {
+    width: 36px;
+    height: 42px;
+    vertical-align: middle;
+    transform: translateY(-2px);
+}
+
+.icon_text {
+    margin-left: 8px;
+    margin-right: 4px;
+    display: inline-flex;
+    flex-direction: column;
+    justify-content: space-between;
+    vertical-align: middle;
+}

client-tauri/src/components/NavBar.tsx

@@ -0,0 +1,15 @@
+import StirlingLogo from "../assets/favicon.svg";
+import NavBarStyles from "./NavBar.module.css";
+
+function NavBar() {
+    return (
+        <nav>
+            <a className={NavBarStyles.navbar_brand} href="/">
+                <img className={NavBarStyles.main_icon} src={StirlingLogo} alt="icon"/>
+                <span className={NavBarStyles.icon_text}>Stirling PDF</span>
+            </a>
+        </nav>
+    );
+}
+
+export default NavBar;

client-tauri/src/components/OperatorCard.module.css

@@ -0,0 +1,22 @@
+.operator_card {
+    border: 1px solid var(--md-sys-color-surface-5);
+    border-radius: 1.75rem;
+    padding: 1.25rem;
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    background: var(--md-sys-color-surface-5);
+    transition: transform 0.3s, border 0.3s;
+    transform-origin: center center;
+    outline: 0px solid transparent;
+}
+
+.operator_card h3 {
+    margin-top: 0;
+}
+
+.operator_card:hover {
+    cursor: pointer;
+    transform: scale(1.08);
+    box-shadow: var(--md-sys-elevation-2);
+}

client-tauri/src/components/OperatorCard.tsx

@@ -0,0 +1,34 @@
+import { useEffect, useState } from 'react';
+
+import { getSchemaByName } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
+
+import styles from './OperatorCard.module.css';
+import { MaterialSymbol, MaterialSymbolProps } from 'react-material-symbols';
+
+interface OperatorCardProps {
+    /** The text to display inside the button */
+    operatorInternalName: string;
+}
+
+export function OperatorCard({ operatorInternalName }: OperatorCardProps) {
+    const [schema, setSchema] = useState<any>(undefined); // TODO: Type as joi type
+    const [materialSymbolName, setMaterialSymbolName] = useState<MaterialSymbolProps["icon"]>("error");
+
+    useEffect(() => {
+        getSchemaByName(operatorInternalName).then(schema => {
+            if(schema) {
+                setSchema(schema.schema);
+                setMaterialSymbolName(schema.materialSymbolName || "error");
+            }
+        });
+    }, [operatorInternalName]);
+
+    return (
+        <a key={operatorInternalName} href={"/operators/" + operatorInternalName}>
+            <div className={styles.operator_card}>
+                <h3><MaterialSymbol icon={materialSymbolName} size={30} fill grade={-25} color='black'></MaterialSymbol> { schema?.describe().flags.label }</h3>
+                { schema?.describe().flags.description }
+            </div>
+        </a>
+    );
+}

client-tauri/src/components/fields/GenericField.tsx

@@ -0,0 +1,143 @@
+import Joi from "@stirling-tools/joi";
+import { Fragment } from "react";
+
+interface GenericFieldProps {
+    fieldName: string,
+    joiDefinition: Joi.Description
+}
+
+interface Flags {
+    label: string,
+    description: string,
+}
+  
+export function GenericField({ fieldName, joiDefinition }: GenericFieldProps) {
+    const flags = joiDefinition.flags as Flags;
+
+    switch (joiDefinition.type) {
+        case "number":
+            var validValues = joiDefinition.allow;
+            if(validValues) { // Restrained number input
+                return (
+                    <Fragment>
+                        <label htmlFor={fieldName}>{flags.label}:</label>
+                        <input type="number" list={fieldName} name={fieldName}/>
+                        <datalist id={fieldName}>
+                            {joiDefinition.allow.map((e: string) => {
+                                return (<option key={e} value={e}/>)
+                            })}
+                        </datalist>
+                        <br/>
+                    </Fragment>
+                );
+            }
+            else { // Unrestrained number input
+                // TODO: Check if integer or not.
+                return (
+                    <Fragment>
+                        <label htmlFor={fieldName}>{flags.label}:</label>
+                        <input type="number" list={fieldName} name={fieldName}/>
+                        <br/>
+                    </Fragment>
+                );
+            }
+            break;
+        case "string":
+            if(joiDefinition.allow) { // Restrained text input
+                return (
+                    <Fragment>
+                        <label htmlFor={fieldName}>{flags.label}:</label>
+                        <input type="text" list={fieldName} name={fieldName}/>
+                        <datalist id={fieldName}>
+                            {joiDefinition.allow.map((e: string) => {
+                                return (<option key={e} value={e}/>)
+                            })}
+                        </datalist>
+                        <br/>
+                    </Fragment>
+                );
+            }
+            else {
+                return (
+                    <Fragment>
+                        <label htmlFor={fieldName}>{flags.label}:</label>
+                        <input type="text" list={fieldName} name={fieldName}/>
+                        <br/>
+                    </Fragment>
+                )
+            }
+            break;
+        case "comma_array":
+            if(joiDefinition.items.length == 1) {
+                const item: Joi.Description = joiDefinition.items[0];
+
+                if(item.type == "number") {
+                    const props: any = {};
+
+                    item.rules.forEach((rule: { args: any, name: string}) => {
+
+                        switch (rule.name) {
+                            case "integer":
+                                if(props.pattern) {
+                                    return (<div>props.pattern was already set, this is not implemented.</div>);
+                                }
+                                props.pattern = `(\\d+)(,\\s*\\d+)*`;
+                                break;
+                            case "min":
+                                // TODO: Could validate this in frontend first.
+                                break;
+                            case "max":
+                                // TODO: Could validate this in frontend first.
+                                break;
+                            default:
+                                return (<div>comma_array, item rule {rule.name} is not implemented.</div>);
+                        }
+                    });
+
+                    return (
+                        <Fragment>
+                            <label htmlFor={fieldName}>{flags.label}:</label>
+                            <input type="text" pattern={props.pattern} list={fieldName} name={fieldName}/>
+                            <br/>
+                        </Fragment>
+                    );
+                }
+                else {
+                    return (<div>comma_array, other types than numbers are not implemented yet.</div>);
+                }
+            }
+            else {
+                // TODO: Implement multiple items if necessary
+                return (<div>comma_array, joi items are empty or bigger than one, this is not implemented</div>);
+            }
+            break;
+        case "alternatives": // TODO: Better support this. It is currently used by ScaleContent (working) and SplitByPreset (incompatible, but with that operator it isn't even considered a field so we need a different schema for that)
+            return (
+                <Fragment>
+                    <label htmlFor={fieldName}>{flags.label}:</label>
+                    <input type="text" list={fieldName} name={fieldName}/>
+                    <br/>
+                </Fragment>
+            );
+        case "boolean":
+            return (
+                <Fragment>
+                    <label htmlFor={fieldName}>{flags.label}:</label>
+                    <input type="checkbox" list={fieldName} name={fieldName}/>
+                    <br/>
+                </Fragment>
+            );
+        case "date":
+            return (
+                <Fragment>
+                    <label htmlFor={fieldName}>{flags.label}:</label>
+                    <input type="date" list={fieldName} name={fieldName}/>
+                    <br/>
+                </Fragment>
+            );
+        default:
+            console.log(joiDefinition);
+            return (<div>GenericField.tsx: <br/> "{fieldName}": requested type "{joiDefinition.type}" not found. Check console for further info.</div>)
+             
+    }
+}

client-tauri/src/components/fields/InputField.module.css

@@ -0,0 +1,10 @@
+.custom_file_upload input[type="file"] {
+    display: none;
+}
+
+.custom_file_upload {
+    border: 1px solid #ccc;
+    display: inline-block;
+    padding: 6px 12px;
+    cursor: pointer;
+}

client-tauri/src/components/fields/InputField.tsx

@@ -0,0 +1,29 @@
+import { forwardRef, ForwardedRef, FormEvent } from 'react';
+
+import styles from "./InputField.module.css";
+
+function InputField(_props: {}, inputRef: ForwardedRef<HTMLInputElement>) {
+    function onChange(e: FormEvent<HTMLInputElement>) {
+        const files = (e.target as HTMLInputElement).files;
+        if(files) {
+            const filesArray: File[] = Array.from(files as any);
+            for (let i = 0; i < files.length; i++) {
+                const file = filesArray[i];
+                if(file) {
+                    console.log(file.name);
+                }
+                else
+                    throw new Error("This should not happen. Contact maintainers.");
+            }
+        }
+    }
+
+    return (
+        <label className={styles.custom_file_upload}>
+            <input onChange={onChange} type="file" id="pdfFile" accept=".pdf" multiple ref={inputRef}/>
+            Upload your PDF(s)!
+        </label>
+    )
+}
+
+export default forwardRef(InputField);

client-tauri/src/components/toolbar/LanguagePicker.tsx

@@ -0,0 +1,30 @@
+
+// import NavDropdown from "react-bootstrap/NavDropdown";
+// import { useTranslation } from "react-i18next";
+// import { BsGlobe2 } from "react-icons/bs";
+
+// function generateSublist() {
+//     const { i18n } = useTranslation();
+//     const out: JSX.Element[] = [];
+//     const languages = i18n.options.resources;
+   
+//     for (const key in languages) {
+//         const lang: any = languages[key].translation;
+//         const staticKey = key;
+//         out.push((
+//             <NavDropdown.Item key={"language-"+key} className="nav-icon" onClick={()=>i18n.changeLanguage(staticKey)}>
+//                 <span>{lang.language?.flag}</span>
+//                 <span>{lang.language?.name}</span>
+//             </NavDropdown.Item>
+//         ));
+//     }
+//     return <>{out}</>;
+// }
+
+// export default function LanguagePicker() {
+//     return (
+//         <NavDropdown id="languages-dropdown" title={<><span className="nav-icon"><BsGlobe2/></span></>}>
+//             {generateSublist()}
+//         </NavDropdown>
+//     );
+// }

client-tauri/src/main.tsx

@@ -0,0 +1,15 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+import { BrowserRouter } from "react-router-dom";
+
+import App from "./App";
+import "./root.css";
+import 'react-material-symbols/rounded';
+
+ReactDOM.createRoot(document.getElementById("root")!).render(
+    <React.StrictMode>
+        <BrowserRouter>
+            <App />
+        </BrowserRouter>
+    </React.StrictMode>
+);

client-tauri/src/pages/Auth/Login.tsx

@@ -0,0 +1,13 @@
+// TODO: Store user info in localstorage. Session cookie will be set automatically 
+
+// TODO: Check if user login is enabled on this server
+
+import styles from './Auth.module.css'; 
+
+function Login() {
+    return (
+        "Login Test Page"
+    );
+}
+
+export default Login;

client-tauri/src/pages/Auth/Logout.tsx

@@ -0,0 +1,13 @@
+// TODO: Delete user info in localstorage. Send request to logout endpoint -> session cookie will be removed automatically.
+
+// TODO: Check if user login is enabled on this server
+
+import styles from './Auth.module.css'; 
+
+function Logout() {
+    return (
+        "Logout Test Page"
+    );
+}
+
+export default Logout;

client-tauri/src/pages/Auth/Register.tsx

@@ -0,0 +1,13 @@
+// TODO: Register user and login in the same request.
+
+// TODO: Check if user registration & login is enabled on this server
+
+import styles from './Auth.module.css'; 
+
+function Register() {
+    return (
+        "Register Test Page"
+    );
+}
+
+export default Register;

client-tauri/src/pages/Home.tsx

@@ -0,0 +1,32 @@
+import { listOperatorNames } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
+import { OperatorCard } from "../components/OperatorCard";
+
+
+import styles from './Home.module.css'; 
+
+function Home() {
+    const operators = listOperatorNames();
+
+    return (
+        <div>
+            <h1>
+                Stirling PDF
+            </h1>
+            <h2>
+                Your locally hosted one-stop-shop for all your PDF needs
+            </h2>
+
+            {/**TODO: Search bar */}
+
+            <div className={styles.operator_container}>
+                {
+                    operators.map((operator) => {
+                        return (<OperatorCard key={operator} operatorInternalName={operator}></OperatorCard>)
+                    })
+                }
+            </div>
+        </div>
+    );
+}
+
+export default Home;

client-tauri/src/pages/NoMatch.tsx

@@ -0,0 +1,15 @@
+import { Fragment } from "react";
+import { Link } from "react-router-dom";
+
+function NoMatch() {
+    return (
+        <Fragment>
+            <h2>The Page you are trying to access does not exist.</h2>
+            <p>
+                <Link to="/">Go back home...</Link>
+            </p>
+        </Fragment>
+    );
+}
+
+export default NoMatch;

client-tauri/src/pages/Operators.tsx

@@ -0,0 +1,98 @@
+import { Fragment, useEffect, useRef } from "react";
+
+import { BaseSyntheticEvent, useState } from "react";
+import { BuildForm } from "../components/BuildForm";
+import { getOperatorByName, getSchemaByName } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
+import { PdfFile, RepresentationType } from "@stirling-pdf/shared-operations/src/wrappers/PdfFile";
+import { Action } from "@stirling-pdf/shared-operations/declarations/Action";
+
+import { useLocation } from 'react-router-dom'
+
+import InputField from "../components/fields/InputField";
+
+
+function Operators() {
+    const [schema, setSchema] = useState<any>(undefined); // TODO: Type as joi type
+
+    const location = useLocation();
+
+    const operatorInternalName = location.pathname.split("/")[2]; // /operators/<operatorInternalName>
+
+    useEffect(() => {
+        getSchemaByName(operatorInternalName).then(schema => {
+            if(schema) {
+                setSchema(schema.schema);
+            }
+        });
+    }, [location]);
+    
+    const inputRef = useRef<HTMLInputElement>(null);
+
+    async function handleSubmit(e: BaseSyntheticEvent) {
+        const formData = new FormData(e.target);
+        const values = Object.fromEntries(formData.entries());
+        let action: Action = {type: operatorInternalName, values: values};
+
+
+        // Validate PDF File
+
+        // Createing the pdffile before validation because joi cant handle it for some reason and I can't fix the underlying issue / I want to make progress, wasted like 3 hours on this already. TODO: The casting should be done in JoiPDFFileSchema.ts if done correctly...
+        const files = inputRef.current?.files;
+        const inputs: PdfFile[] = [];
+
+        if(files) {
+            const filesArray: File[] = Array.from(files as any);
+            for (let i = 0; i < files.length; i++) {
+                const file = filesArray[i];
+                if(file) {
+                    inputs.push(new PdfFile(
+                        file.name.replace(/\.[^/.]+$/, ""), // Strip Extension
+                        new Uint8Array(await file.arrayBuffer()),
+                        RepresentationType.Uint8Array
+                    ));
+                }
+                else
+                    throw new Error("This should not happen. Contact maintainers.");
+            }
+        }
+
+        const validationResults = schema.validate({input: inputs, values: action.values});
+
+        if(validationResults.error) {
+            console.error({error: "Validation failed", details: validationResults.error.message}, validationResults.error.stack);
+        }
+        else {
+            action.values = validationResults.value.values;
+            const Operator = (await getOperatorByName(operatorInternalName))!;
+
+            const operation = new Operator(action);
+            operation.run(validationResults.value.input, (progress) => {
+                console.log("OperationProgress: " + progress.operationProgress, "CurFileProgress: " + progress.curFileProgress);
+            }).then(async pdfFiles => {
+                console.log("Result", pdfFiles);
+
+                for await (const pdfFile of (pdfFiles as PdfFile[])) {
+                    var blob = new Blob([await pdfFile.uint8Array], {type: "application/pdf"});
+                    var objectUrl = URL.createObjectURL(blob);
+                    window.open(objectUrl);
+                }
+            });
+        }
+    };
+
+    return (
+        <Fragment>
+            <h1>{ schema?.describe().flags.label }</h1>
+            <h2>{ schema?.describe().flags.description }</h2>
+
+            <InputField ref={inputRef} />
+
+            <div id="values">
+                <BuildForm schemaDescription={schema?.describe()} onSubmit={handleSubmit}></BuildForm>
+            </div>
+        </Fragment>
+    );
+}
+
+
+export default Operators;

client-tauri/src/pages/home.module.css

@@ -0,0 +1,5 @@
+.operator_container {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(15rem, 3fr));
+    gap: 30px 30px;
+}

client-tauri/src/root.css

@@ -0,0 +1,151 @@
+:root {
+    --md-sys-color-primary: rgb(0 96 170);
+    --md-sys-color-surface-tint: rgb(0 96 170);
+    --md-sys-color-on-primary: rgb(255 255 255);
+    --md-sys-color-primary-container: rgb(80 163 255);
+    --md-sys-color-on-primary-container: rgb(0 20 43);
+    --md-sys-color-secondary: rgb(65 96 136);
+    --md-sys-color-on-secondary: rgb(255 255 255);
+    --md-sys-color-secondary-container: rgb(188 215 255);
+    --md-sys-color-on-secondary-container: rgb(32 65 103);
+    --md-sys-color-tertiary: rgb(88 90 138);
+    --md-sys-color-on-tertiary: rgb(255 255 255);
+    --md-sys-color-tertiary-container: rgb(151 153 205);
+    --md-sys-color-on-tertiary-container: rgb(7 9 55);
+    --md-sys-color-error: rgb(186 26 26);
+    --md-sys-color-on-error: rgb(255 255 255);
+    --md-sys-color-error-container: rgb(255 218 214);
+    --md-sys-color-on-error-container: rgb(65 0 2);
+    --md-sys-color-background: rgb(248 249 255);
+    --md-sys-color-on-background: rgb(24 28 34);
+    --md-sys-color-surface: rgb(248 249 255);
+    --md-sys-color-on-surface: rgb(24 28 34);
+    --md-sys-color-surface-variant: rgb(220 227 241);
+    --md-sys-color-on-surface-variant: rgb(64 71 83);
+    --md-sys-color-outline: rgb(112 119 132);
+    --md-sys-color-outline-variant: rgb(192 199 213);
+    --md-sys-color-shadow: rgb(0 0 0);
+    --md-sys-color-scrim: rgb(0 0 0);
+    --md-sys-color-inverse-surface: rgb(45 49 55);
+    --md-sys-color-inverse-on-surface: rgb(238 241 250);
+    --md-sys-color-inverse-primary: rgb(162 201 255);
+    --md-sys-color-primary-fixed: rgb(211 228 255);
+    --md-sys-color-on-primary-fixed: rgb(0 28 56);
+    --md-sys-color-primary-fixed-dim: rgb(162 201 255);
+    --md-sys-color-on-primary-fixed-variant: rgb(0 72 130);
+    --md-sys-color-secondary-fixed: rgb(211 228 255);
+    --md-sys-color-on-secondary-fixed: rgb(0 28 56);
+    --md-sys-color-secondary-fixed-dim: rgb(169 201 246);
+    --md-sys-color-on-secondary-fixed-variant: rgb(40 72 111);
+    --md-sys-color-tertiary-fixed: rgb(225 224 255);
+    --md-sys-color-on-tertiary-fixed: rgb(20 22 66);
+    --md-sys-color-tertiary-fixed-dim: rgb(193 194 248);
+    --md-sys-color-on-tertiary-fixed-variant: rgb(64 67 112);
+    --md-sys-color-surface-dim: rgb(215 218 227);
+    --md-sys-color-surface-bright: rgb(248 249 255);
+    --md-sys-color-surface-container-lowest: rgb(255 255 255);
+    --md-sys-color-surface-container-low: rgb(241 243 253);
+    --md-sys-color-surface-container: rgb(235 238 247);
+    --md-sys-color-surface-container-high: rgb(229 232 241);
+    --md-sys-color-surface-container-highest: rgb(223 226 235);
+    --md-nav-section-color-opacity: 1;
+    --md-nav-on-section-color-opacity: 1;
+    --md-nav-section-color-sign: rgba(25, 101, 212, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-sign: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-organize: rgba(120, 130, 255, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-organize: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-convert: rgba(25, 177, 212, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-convert: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-security: rgba(255, 120, 146, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-security: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-other: rgba(72, 189, 84, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-other: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-advance: rgba(245, 84, 84, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-advance: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-image: rgba(212, 172, 25, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-image: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-word: rgba(61, 153, 245, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-word: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+    --md-nav-section-color-ppt: rgba(255, 128, 0, var(--md-nav-section-color-opacity));
+    --md-nav-on-section-color-ppt: rgba(255, 251, 254, var(--md-nav-on-section-color-opacity));
+
+    --bs-blue: #0d6efd;
+    --bs-indigo: #6610f2;
+    --bs-purple: #6f42c1;
+    --bs-pink: #d63384;
+    --bs-red: #dc3545;
+    --bs-orange: #fd7e14;
+    --bs-yellow: #ffc107;
+    --bs-green: #198754;
+    --bs-teal: #20c997;
+    --bs-cyan: #0dcaf0;
+    --bs-white: #fff;
+    --bs-gray: #6c757d;
+    --bs-gray-dark: #343a40;
+    --bs-primary: #0d6efd;
+    --bs-secondary: #6c757d;
+    --bs-success: #198754;
+    --bs-info: #0dcaf0;
+    --bs-warning: #ffc107;
+    --bs-danger: #dc3545;
+    --bs-light: #f8f9fa;
+    --bs-dark: #212529;
+    --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+    --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
+}
+
+:where(html, .light-theme, .dark-theme), .tokens, :host {
+    --md-sys-color-surface-1: 
+color-mix(in srgb, var(--md-sys-color-primary) 13%, rgba(0, 0, 0, 0.05) 5%);
+    --md-sys-color-surface-2: 
+color-mix(in srgb, var(--md-sys-color-primary) 13%, rgba(0, 0, 0, 0.08) 5%);
+    --md-sys-color-surface-3: 
+color-mix(in srgb, var(--md-sys-color-primary) 13%, rgba(0, 0, 0, 0.11) 5%);
+    --md-sys-color-surface-4: 
+color-mix(in srgb, var(--md-sys-color-primary) 13%, rgba(0, 0, 0, 0.12) 5%);
+    --md-sys-color-surface-5: 
+color-mix(in srgb, var(--md-sys-color-primary) 13%, rgba(0, 0, 0, 0.14) 5%);
+    --md-sys-icon-fill-0: 'FILL' 0, 'wght' 500;
+    --md-sys-icon-fill-1: 'FILL' 1, 'wght' 500;
+    --md-sys-state-hover-opacity: 
+color-mix(in srgb, var(--md-sys-color-primary), rgba(0, 0, 0, 0) 80%);
+    --md-sys-color-shadow: #000000;
+    --md-elevation-shadow-color-rgb: 0, 0, 0;
+    --md-elevation-shadow-color: var(--md-elevation-shadow-color-rgb);
+    --md-sys-elevation-0: 0px 0px 0px 0px rgb(var(--md-elevation-shadow-color), 0.2), 0px 0px 0px 0px rgb(var(--md-elevation-shadow-color), 0.14), 0px 0px 0px 0px rgb(var(--md-elevation-shadow-color), 0.12);
+    --md-sys-elevation-1: 0px 3px 1px -2px rgb(var(--md-elevation-shadow-color), 0.2), 0px 2px 2px 0px rgb(var(--md-elevation-shadow-color), 0.14), 0px 1px 5px 0px rgb(var(--md-elevation-shadow-color), 0.12);
+    --md-sys-elevation-2: 0px 2px 4px -1px rgb(var(--md-elevation-shadow-color), 0.2), 0px 4px 5px 0px rgb(var(--md-elevation-shadow-color), 0.14), 0px 1px 10px 0px rgb(var(--md-elevation-shadow-color), 0.12);
+    --md-sys-elevation-3: 0px 5px 5px -3px rgb(var(--md-elevation-shadow-color), 0.2), 0px 8px 10px 1px rgb(var(--md-elevation-shadow-color), 0.14), 0px 3px 14px 2px rgb(var(--md-elevation-shadow-color), 0.12);
+    --md-sys-elevation-4: 0px 5px 5px -3px rgb(0, 0, 0 / 0.2), 0px 8px 10px 1px rgb(var(--md-elevation-shadow-color), 0.14), 0px 3px 14px 2px rgb(var(--md-elevation-shadow-color), 0.12);
+    --md-sys-elevation-5: 0px 8px 10px -6px rgb(var(--md-elevation-shadow-color), 0.2), 0px 16px 24px 2px rgb(var(--md-elevation-shadow-color), 0.14), 0px 6px 30px 5px rgb(var(--md-elevation-shadow-color), 0.12);
+}
+
+body, select, textarea {
+    background-color: var(--md-sys-color-surface);
+    color: var(--md-sys-color-on-surface);
+}
+
+body {
+    margin: 10px auto;
+    padding: 0 20px;
+    font-family: var(--bs-font-sans-serif);
+    font-size: 1rem;
+    font-weight: 400;
+    line-height: 1.5;
+    color: #212529;
+    background-color: #fff;
+    -webkit-text-size-adjust: 100%;
+    -webkit-tap-highlight-color: transparent;
+
+    max-width: 90%;
+}
+
+a {
+    text-decoration: inherit;
+    color: inherit;
+}
+
+.material-symbols {
+    vertical-align: top;
+}

client-tauri/src/utils/file-utils.ts

@@ -0,0 +1,9 @@
+
+
+export function appendToFilename(inputPath: string, toAppend: string) {
+    const parts = inputPath.split(".");
+    if (parts.length > 1) {
+        parts[parts.length-2] = parts[parts.length-2] + toAppend;
+    }
+    return parts.join(".");
+}

client-tauri/src/utils/libre-office-utils.tsx

@@ -0,0 +1,48 @@
+
+import { readBinaryFile, writeBinaryFile, removeDir, BaseDirectory } from "@tauri-apps/api/fs";
+import { PdfFile,RepresentationType } from "@stirling-pdf/shared-operations/src/wrappers/PdfFile";
+import { runShell, isTauriAvailable } from "./tauri-wrapper";
+
+export async function fileToPdf(byteArray: Uint8Array, filename: string): Promise<PdfFile> {
+    const randUuid = crypto.randomUUID();
+    const tempDir = "StirlingPDF/"+randUuid;
+    const srcFile = tempDir+"/"+filename;
+
+    await writeBinaryFile(srcFile, byteArray);
+    await writeBinaryFile(srcFile, new Uint8Array([]), { dir: BaseDirectory.Temp });
+
+    const messageList: string[] = [];
+    await runShell("libreoffice-convert", ["--headless","--convert-to","pdf",srcFile,"--outdir",tempDir], (message, stream) => {
+        if (stream === "stdout") {
+            messageList.push(message);
+        }
+        console.debug(`${stream}, ${randUuid}: ${message}`);
+    });
+    const lastMessage = messageList[messageList.length-1];
+    const outputFilePath = lastMessage.split(" -> ")[1].split(".pdf")[0]+".pdf";
+    const outputFilePathSplit = outputFilePath.toString().split("[\\/]");
+    const outputFileName = outputFilePathSplit[outputFilePathSplit.length-1];
+    const outputBytes = await readBinaryFile(outputFilePath);
+
+    await removeDir(tempDir);
+
+    return new PdfFile(outputFileName, outputBytes, RepresentationType.Uint8Array);
+}
+
+export async function isLibreOfficeInstalled() {
+    if (!isTauriAvailable()) return false;
+
+    const messageList: string[] = [];
+    try {
+        await runShell("libreoffice-version", ["--version"], (message, stream) => {
+            if (stream === "stdout") {
+                messageList.push(message);
+            }
+        });
+    } catch (error) {
+        return false;
+    }
+    console.log("messageList", messageList);
+    const result = messageList[0].match("LibreOffice ([0-9]+\.){4}.*");
+    return result ? true : false;
+}

client-tauri/src/utils/tauri-wrapper.ts

@@ -0,0 +1,169 @@
+
+import { open, save } from "@tauri-apps/api/dialog";
+import { readBinaryFile, writeBinaryFile } from "@tauri-apps/api/fs";
+import { Command } from "@tauri-apps/api/shell";
+
+export interface TauriBrowserFile {
+    name: string,
+    relativePath?: string,
+    data: Uint8Array,
+    getPath: ()=>string
+}
+function byteArrayToFile(byteArray: Uint8Array, filePath: string): TauriBrowserFile | null {
+    const separator = filePath.includes("\\") ? "\\" : "/";
+
+    const split = filePath.split(separator);
+    const fileName = split.pop();
+    const path = split.join(separator);
+    if (!fileName) return null;
+    return {
+        name: fileName,
+        data: byteArray,
+        relativePath: path?path:undefined,
+        getPath: ()=> (path?path:undefined) + separator + fileName,
+    };
+}
+
+export function isTauriAvailable() {
+    return (window as any).__TAURI_IPC__ ? true : false;
+}
+
+// [*] = Not available in browser
+interface SelectFilesDialogOptions {
+    defaultPath?: string, // [*] the default path to open the dialog on
+    directory?: boolean,  // should the dialog be a directory dialog
+    filters?: {     // list of file type filters 
+        name: string,        // category name eg. 'Images'
+        extensions: string[] // list of extensions eg ['png', 'jpeg', 'jpg'] 
+    }[],
+    multiple?: boolean,   // allow multiple selections
+    recursive?: boolean,  // [*] If directory is true, indicates that it will be read recursively later. Defines whether subdirectories will be allowed on the scope or not.
+    title?: string        // [*] the title of the dialog
+}
+export function openFiles(options: SelectFilesDialogOptions): Promise<TauriBrowserFile[] | null> {
+    return new Promise(async (resolve) => {
+        if (isTauriAvailable()) {
+            let selected = await open(options);
+            if (!selected) {
+                resolve(null);
+                return;
+            }
+
+            if (!Array.isArray(selected)) {
+                selected = [selected];
+            }
+        
+            const files: TauriBrowserFile[] = [];
+            for (const s of selected) {
+                const contents = await readBinaryFile(s);
+                const res = byteArrayToFile(contents, s);
+                if (res) {
+                    files.push(res);
+                }
+            }
+            
+            resolve(files);
+            return;
+        } else {
+            const input = document.createElement("input");
+            input.type = "file";
+            if (options.directory) input.setAttribute("webkitdirectory", "");
+            if (options.filters) input.setAttribute("accept", options.filters.flatMap(f => f.extensions).map(ext => "."+ext).join(", "));
+            if (options.multiple) input.setAttribute("multiple", "");
+        
+            input.onchange = async () => {
+                if (input.files && input.files.length) { 
+                    console.log("input.files", input.files);
+                    const files: TauriBrowserFile[] = [];
+                    for (const f of input.files) {
+                        const contents = new Uint8Array(await f.arrayBuffer());
+                        const res = byteArrayToFile(contents, f.name);
+                        if (res) {
+                            files.push(res);
+                        }
+                    }
+
+                    resolve(files);
+                }
+                input.onchange = null;
+                document.body.onfocus = null;
+            };
+
+            // detect the user clicking cancel
+            document.body.onfocus = () => {
+                setTimeout(()=>{ resolve(null) }, 200); // the timeout is needed because 'document.body.onfocus' is called before 'input.onchange'
+            };
+
+            input.click();
+        }
+    });
+}
+
+// [*] = Not available in browser
+interface DownloadFilesDialogOptions {
+    defaultPath?: string, // the default path to open the dialog on
+    filters?: {     // [*] list of file type filters 
+        name: string,        // category name eg. 'Images'
+        extensions: string[] // list of extensions eg ['png', 'jpeg', 'jpg'] 
+    }[],
+    title?: string        // [*] the title of the dialog
+}
+export async function downloadFile(fileData: Uint8Array, options: DownloadFilesDialogOptions): Promise<undefined> {
+    if (isTauriAvailable()) {
+        const pathToSave = await save(options);
+        console.log("pathToSave", pathToSave);
+        if (pathToSave) {
+            await writeBinaryFile(pathToSave, fileData);
+        }
+    } else {
+        const pdfBlob = new Blob([fileData], { type: "application/pdf" });
+        const url = URL.createObjectURL(pdfBlob);
+        const downloadOption = localStorage.getItem("downloadOption");
+
+        // ensure filename is not a path
+        const separator = options.defaultPath?.includes("\\") ? "\\" : "/";
+        const filename = options.defaultPath?.split(separator).pop();
+        const filenameToUse = filename ? filename : "edited.pdf";
+
+        if (downloadOption === "sameWindow") {
+            // Open the file in the same window
+            window.location.href = url;
+        } else if (downloadOption === "newWindow") {
+            // Open the file in a new window
+            window.open(url, "_blank");
+        } else {
+            // Download the file
+            const downloadLink = document.createElement("a");
+            downloadLink.href = url;
+            downloadLink.download = filenameToUse;
+            downloadLink.click();
+        }
+    }
+}
+
+/**
+ * Dont forget to whitelist the Command in src-tauri/tauri.conf.json! (tauri.allowlist.shell.scope)
+ * @param commandName The name of the command to run. Must be defined in tauri.allowlist.shell.scope[].name
+ * @param args The args to pass into the command
+ * @param callback A callback function that is called when output is logged
+ * @returns A log of all the outputs logged
+ */
+export function runShell(commandName: string, args: string[], callback: (message: any, stream:"stdout"|"stderr"|"error") => void): Promise<void> {
+    return new Promise(async (resolve, reject) => {
+
+        const comm = new Command(commandName, args);
+        comm.on("close", data => {
+            if (data.code === 0) {
+                resolve();
+            } else {
+                reject(new Error(`Command failed with exit code ${data.code} and signal ${data.signal}`));
+            }
+        });
+        comm.on("error", error => { callback(error, "error") });
+        comm.stdout.on("data", line => { callback(line, "stdout") });
+        comm.stderr.on("data", line => { callback(line, "stderr") });
+
+        const child = await comm.spawn();
+        console.debug(`Started child process with pid: ${child.pid}`);
+    });
+}

client-tauri/src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />

client-tauri/tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+  },
+  "include": [
+    "src",
+    "declarations/*.d.ts",
+    "../shared-operations/declarations/*.d.ts"
+  ],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}

client-tauri/tsconfig.node.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "skipLibCheck": true,
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "allowSyntheticDefaultImports": true
+  },
+  "include": ["vite.config.ts"]
+}

client-tauri/vite.config.ts

@@ -0,0 +1,52 @@
+import { defineConfig } from "vite";
+import { nodePolyfills } from 'vite-plugin-node-polyfills'
+import react from "@vitejs/plugin-react";
+import topLevelAwait from "vite-plugin-top-level-await";
+import dynamicImport from 'vite-plugin-dynamic-import';
+import compileTime from "vite-plugin-compile-time";
+import { fileURLToPath, URL } from 'node:url';
+
+// https://vitejs.dev/config/
+export default defineConfig(async () => ({
+    plugins: [
+        // Thanks: https://stackoverflow.com/questions/74417822/how-can-i-use-buffer-process-in-vite-app
+        nodePolyfills({
+            include: [],
+
+            globals: {
+                Buffer: true, // can also be 'build', 'dev', or false
+                global: false,
+                process: true,
+            },
+            // Whether to polyfill `node:` protocol imports.
+            protocolImports: false,
+        }),
+        react(),
+        topLevelAwait({
+            // The export name of top-level await promise for each chunk module
+            promiseExportName: "__tla",
+            // The function to generate import names of top-level await promise in each chunk module
+            promiseImportName: i => `__tla_${i}`
+        }),
+        compileTime(),
+        dynamicImport(),
+    ],
+    resolve: {
+        alias: {
+          '#pdfcpu': fileURLToPath(new URL("../shared-operations/src/wasm/pdfcpu/pdfcpu-wrapper.client", import.meta.url))
+        }
+    },
+    // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
+    //
+    // 1. prevent vite from obscuring rust errors
+    clearScreen: false,
+    // 2. tauri expects a fixed port, fail if that port is not available
+    server: {
+        port: 1420,
+        strictPort: true,
+    },
+    // 3. to make use of `TAURI_DEBUG` and other env variables
+    // https://tauri.app/v1/api/config#buildconfig.beforedevcommand
+    envPrefix: ["VITE_"],
+    base: '/', // relative paths sadly don't work with react router dom sub-dirs for some reason...
+}));

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gradle/wrapper/gradle-wrapper.properties

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-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists

gradlew

@@ -1,240 +0,0 @@
-#!/bin/sh
-
-#
-# Copyright © 2015-2021 the original authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-##############################################################################
-#
-#   Gradle start up script for POSIX generated by Gradle.
-#
-#   Important for running:
-#
-#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
-#       noncompliant, but you have some other compliant shell such as ksh or
-#       bash, then to run this script, type that shell name before the whole
-#       command line, like:
-#
-#           ksh Gradle
-#
-#       Busybox and similar reduced shells will NOT work, because this script
-#       requires all of these POSIX shell features:
-#         * functions;
-#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
-#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
-#         * compound commands having a testable exit status, especially «case»;
-#         * various built-in commands including «command», «set», and «ulimit».
-#
-#   Important for patching:
-#
-#   (2) This script targets any POSIX shell, so it avoids extensions provided
-#       by Bash, Ksh, etc; in particular arrays are avoided.
-#
-#       The "traditional" practice of packing multiple parameters into a
-#       space-separated string is a well documented source of bugs and security
-#       problems, so this is (mostly) avoided, by progressively accumulating
-#       options in "$@", and eventually passing that to Java.
-#
-#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
-#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
-#       see the in-line comments for details.
-#
-#       There are tweaks for specific operating systems such as AIX, CygWin,
-#       Darwin, MinGW, and NonStop.
-#
-#   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
-#       within the Gradle project.
-#
-#       You can find Gradle at https://github.com/gradle/gradle/.
-#
-##############################################################################
-
-# Attempt to set APP_HOME
-
-# Resolve links: $0 may be a link
-app_path=$0
-
-# Need this for daisy-chained symlinks.
-while
-    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
-    [ -h "$app_path" ]
-do
-    ls=$( ls -ld "$app_path" )
-    link=${ls#*' -> '}
-    case $link in             #(
-      /*)   app_path=$link ;; #(
-      *)    app_path=$APP_HOME$link ;;
-    esac
-done
-
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
-APP_BASE_NAME=${0##*/}
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD=maximum
-
-warn () {
-    echo "$*"
-} >&2
-
-die () {
-    echo
-    echo "$*"
-    echo
-    exit 1
-} >&2
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-nonstop=false
-case "$( uname )" in                #(
-  CYGWIN* )         cygwin=true  ;; #(
-  Darwin* )         darwin=true  ;; #(
-  MSYS* | MINGW* )  msys=true    ;; #(
-  NONSTOP* )        nonstop=true ;;
-esac
-
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
-
-
-# Determine the Java command to use to start the JVM.
-if [ -n "$JAVA_HOME" ] ; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
-        # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD=$JAVA_HOME/jre/sh/java
-    else
-        JAVACMD=$JAVA_HOME/bin/java
-    fi
-    if [ ! -x "$JAVACMD" ] ; then
-        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-    fi
-else
-    JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-fi
-
-# Increase the maximum file descriptors if we can.
-if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
-    case $MAX_FD in #(
-      max*)
-        MAX_FD=$( ulimit -H -n ) ||
-            warn "Could not query maximum file descriptor limit"
-    esac
-    case $MAX_FD in  #(
-      '' | soft) :;; #(
-      *)
-        ulimit -n "$MAX_FD" ||
-            warn "Could not set maximum file descriptor limit to $MAX_FD"
-    esac
-fi
-
-# Collect all arguments for the java command, stacking in reverse order:
-#   * args from the command line
-#   * the main class name
-#   * -classpath
-#   * -D...appname settings
-#   * --module-path (only if needed)
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
-
-# For Cygwin or MSYS, switch paths to Windows format before running java
-if "$cygwin" || "$msys" ; then
-    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
-
-    JAVACMD=$( cygpath --unix "$JAVACMD" )
-
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    for arg do
-        if
-            case $arg in                                #(
-              -*)   false ;;                            # don't mess with options #(
-              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
-                    [ -e "$t" ] ;;                      #(
-              *)    false ;;
-            esac
-        then
-            arg=$( cygpath --path --ignore --mixed "$arg" )
-        fi
-        # Roll the args list around exactly as many times as the number of
-        # args, so each arg winds up back in the position where it started, but
-        # possibly modified.
-        #
-        # NB: a `for` loop captures its iteration list before it begins, so
-        # changing the positional parameters here affects neither the number of
-        # iterations, nor the values presented in `arg`.
-        shift                   # remove old arg
-        set -- "$@" "$arg"      # push replacement arg
-    done
-fi
-
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
-
-set -- \
-        "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
-        "$@"
-
-# Stop when "xargs" is not available.
-if ! command -v xargs >/dev/null 2>&1
-then
-    die "xargs is not available"
-fi
-
-# Use "xargs" to parse quoted args.
-#
-# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
-#
-# In Bash we could simply go:
-#
-#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
-#   set -- "${ARGS[@]}" "$@"
-#
-# but POSIX shell has neither arrays nor command substitution, so instead we
-# post-process each arg (as a line of input to sed) to backslash-escape any
-# character that might be a shell metacharacter, then use eval to reverse
-# that process (while maintaining the separation between arguments), and wrap
-# the whole thing up as a single "set" statement.
-#
-# This will of course break if any of these variables contains a newline or
-# an unmatched quote.
-#
-
-eval "set -- $(
-        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
-        xargs -n1 |
-        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
-        tr '\n' ' '
-    )" '"$@"'
-
-exec "$JAVACMD" "$@"

gradlew.bat

@@ -1,91 +0,0 @@
-@rem
-@rem Copyright 2015 the original author or authors.
-@rem
-@rem Licensed under the Apache License, Version 2.0 (the "License");
-@rem you may not use this file except in compliance with the License.
-@rem You may obtain a copy of the License at
-@rem
-@rem      https://www.apache.org/licenses/LICENSE-2.0
-@rem
-@rem Unless required by applicable law or agreed to in writing, software
-@rem distributed under the License is distributed on an "AS IS" BASIS,
-@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@rem See the License for the specific language governing permissions and
-@rem limitations under the License.
-@rem
-
-@if "%DEBUG%"=="" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-set DIRNAME=%~dp0
-if "%DIRNAME%"=="" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Resolve any "." and ".." in APP_HOME to make it shorter.
-for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if %ERRORLEVEL% equ 0 goto execute
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto execute
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
-
-:end
-@rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega

package.json

@@ -0,0 +1,25 @@
+{
+  "name": "stirling-pdf",
+  "private": "true",
+  "workspaces": [
+    "client-tauri",
+    "server-node",
+    "shared-operations"
+  ],
+  "scripts": {
+    "dev-all": "concurrently --names \"node,tauri\" -c \"red.bold,cyan.bold\" --kill-others \"npm run -w server-node dev\" \"npm run -w client-tauri dev\"",
+    "update-all-dependencies": "npm i --workspace=stirling-pdf --workspace=server-node --workspace=client-tauri --workspace=shared-operation",
+    "update-backend-dependencies": "npm i --workspace=server-node --workspace=shared-operation",
+    "update-frontend-dependencies": "npm i --workspace=client-tauri --workspace=shared-operation"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^6.17.0",
+    "@typescript-eslint/parser": "^6.17.0",
+    "concurrently": "^8.2.2",
+    "eslint": "^8.56.0"
+  },
+  "engines": {
+    "npm": ">=7.24.2"
+  },
+  "engineStrict": true
+}

server-node/.env

@@ -0,0 +1,7 @@
+VITE_JOBS_ENABLED=True
+VITE_JOBS_DIR="./jobs"
+
+VITE_AUTH_ENABLED=True
+VITE_AUTH_SESSION_SECRET="default-secret"
+
+VITE_SEQUELIZE_LOGGING=False

server-node/Dockerfile

@@ -0,0 +1,19 @@
+# Use an existing image as a base
+FROM node:22.2.0-alpine
+
+RUN apk add --no-cache git
+
+WORKDIR /app
+
+ENV NODE_ENV production
+
+COPY package*.json ./
+RUN npm ci --legacy-peer-deps
+
+COPY ./dist ./dist
+
+RUN apk del git
+
+EXPOSE 8000
+
+CMD [ "node", "./dist/index.js" ]

server-node/Makefile

@@ -0,0 +1,10 @@
+vite-build:
+	npx tsc
+	npx vite build
+
+vite-dockerize:
+	make vite-build
+	bash -c "cp ../package-lock.json ./"
+	docker build . -t stirling-pdf-backend:latest
+	bash -c "rm ./package-lock.json"
+	docker image prune

server-node/declarations/ExpressUser.d.ts

@@ -0,0 +1,7 @@
+type UserModel = import("../src/auth/user/user-model").User;
+
+declare namespace Express {
+    interface User extends UserModel {
+        
+    }
+}

server-node/declarations/ProcessEnv.d.ts

@@ -0,0 +1,9 @@
+declare namespace NodeJS {
+    export interface ProcessEnv {
+        JOBS_ENABLED: "True" | "False",
+        JOBS_DIR: string,
+        AUTH_ENABLED: "True" | "False",
+        AUTH_SESSION_SECRET: string,
+        SEQUELIZE_LOGGING:  "True" | "False"
+    }
+}

server-node/package.json

@@ -0,0 +1,70 @@
+{
+    "name": "@stirling-pdf/server-node",
+    "version": "0.0.0",
+    "description": "",
+    "type": "module",
+    "exports": "./dist/index.js",
+    "imports": {
+        "#pdfcpu": "@stirling-pdf/shared-operations/src/wasm/pdfcpu/pdfcpu-wrapper.server.js"
+    },
+    "optionalDependencies": {
+        "canvas": "^2.11.2"
+    },
+    "scripts": {
+        "vite:dev": "vite",
+        "vite:preview-prod": "make vite-build && node ./dist/index.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+        "@rollup/plugin-alias": "^5.1.0",
+        "@rollup/plugin-commonjs": "^25.0.7",
+        "@rollup/plugin-json": "^6.1.0",
+        "@stirling-tools/joi": "github:stirling-tools/joi",
+        "@types/express": "^4.17.21",
+        "@types/multer": "^1.4.10",
+        "@wasmer/wasmfs": "^0.12.0",
+        "archiver": "^6.0.1",
+        "dotenv": "^16.4.5",
+        "express": "^4.18.2",
+        "express-fileupload": "^1.4.2",
+        "express-session": "^1.18.0",
+        "i18next": "^23.14.0",
+        "i18next-resources-to-backend": "^1.2.1",
+        "joi": "^17.11.0",
+        "jsqr": "^1.4.0",
+        "multer": "^1.4.5-lts.1",
+        "passport": "^0.7.0",
+        "passport-headerapikey": "^1.2.2",
+        "passport-local": "^1.0.0",
+        "pdf-lib": "^1.17.1",
+        "pdfjs-dist": "^4.5.136",
+        "react-material-symbols": "^4.4.0",
+        "rollup-plugin-copy": "^3.5.0",
+        "rollup-plugin-dynamic-import-variables": "^1.1.0",
+        "sequelize": "^6.37.3",
+        "sqlite3": "^5.1.7",
+        "toml": "^3.0.0",
+        "tsconfig-paths": "^4.2.0",
+        "vite": "^5.4.2",
+        "vite-plugin-compile-time": "^0.2.1",
+        "vite-plugin-dynamic-import": "^1.5.0",
+        "vite-plugin-node-polyfills": "^0.22.0",
+        "vite-plugin-top-level-await": "^1.4.1"
+    },
+    "devDependencies": {
+        "@rollup/plugin-dynamic-import-vars": "^2.1.2",
+        "@rollup/plugin-run": "^3.0.2",
+        "@rollup/plugin-typescript": "^11.1.6",
+        "@types/archiver": "^6.0.2",
+        "@types/express-session": "^1.18.0",
+        "@types/passport-local": "^1.0.38",
+        "copyfiles": "^2.4.1",
+        "pkgroll": "^2.0.1",
+        "rimraf": "^5.0.5",
+        "ts-node-dev": "^2.0.0",
+        "typescript": "^5.5.4",
+        "vite-plugin-node": "^3.1.0"
+    }
+}

server-node/src/auth/apikey/apikey-controller.ts

@@ -0,0 +1,38 @@
+import { Error as SequelizeError } from "sequelize";
+import { User } from "../user/user-model";
+import { APIKey } from "./apikey-model";
+
+export function findOne(params: {apikey?: string}, cb: (err: Error | null, apikey?: APIKey | undefined, info?: Object | undefined) => void): undefined {
+    const query: any = params;
+
+    for (let key in query) {
+        if (query[key] === undefined) {
+            delete query[key];
+        }
+    }
+
+    if(Object.keys(query).length == 0) {
+        cb(new Error("You need to provide at least one argument."), undefined)
+    }
+
+    APIKey.findOne({
+        where: query,
+        include: APIKey.associations.User
+    }).then(apikey => {
+        if(apikey)
+            cb(null, apikey);
+        else
+            cb(null, undefined, { message: "The requested apikey was not found."});
+    }).catch(e => 
+        cb(e, undefined)
+    );
+}
+
+export async function createAPIKey(user: User | undefined): Promise<APIKey | undefined> {
+    if(!user) throw new Error("User was undefined");
+
+    const apikey = crypto.randomUUID(); // TODO: Is this secure enough?
+    const apikeyEntry = await user.createAPIKey({ apikey: apikey });
+
+    return apikeyEntry;
+}

server-node/src/auth/apikey/apikey-model.ts

@@ -0,0 +1,17 @@
+import { User } from '../user/user-model';
+import {
+    Model, InferAttributes, InferCreationAttributes, CreationOptional, NonAttribute, ForeignKey,
+} from 'sequelize';
+
+export class APIKey extends Model<InferAttributes<APIKey>, InferCreationAttributes<APIKey>> {
+    declare id: CreationOptional<number>;
+    declare apikey: string;
+
+    declare UserId: ForeignKey<User['id']>;
+
+    // `User` is an eagerly-loaded association.
+    declare User?: NonAttribute<User>;
+    
+    declare createdAt: CreationOptional<Date>;
+    declare updatedAt: CreationOptional<Date>;
+}

server-node/src/auth/auth-controller.ts

@@ -0,0 +1,22 @@
+import passport from "passport";
+import session from "express-session";
+import { initialize } from "./passport-config";
+import auth from "../routes/auth/auth-controller";
+import { Express } from "express";
+
+export function connect(app: Express) {
+    app.use(session({
+        secret: import.meta.env.VITE_SESSION_SECRET || "default-secret",
+        resave: false,
+        saveUninitialized: false
+    }));
+    
+    app.use(passport.initialize());
+    app.use(passport.authenticate(['headerapikey', 'session'], { 
+        session: false, // Only set a session on the login request.
+    }));
+    
+    initialize(passport);
+    
+    app.use("/auth", auth);
+}

server-node/src/auth/authenticationMiddleware.ts

@@ -0,0 +1,15 @@
+import { Request, Response, NextFunction } from "express";
+
+export function isAuthorized(req: Request, res: Response, next: NextFunction) {
+    if(import.meta.env.VITE_AUTH_ENABLED === "False" || req.user) {
+        return next();
+    }
+    return res.status(403).json({"Error": "Authentication failed."});
+}
+
+export function whenAuthIsEnabled(req: Request, res: Response, next: NextFunction) {
+    if(import.meta.env.VITE_AUTH_ENABLED === "True") {
+        return next();
+    }
+    return res.status(403).json({"Error": "Authentication is not enabled."});
+}

server-node/src/auth/passport-config.ts

@@ -0,0 +1,55 @@
+import { Strategy as LocalStrategy} from "passport-local";
+import { HeaderAPIKeyStrategy as HeaderAPIKeyStrategy } from "passport-headerapikey";
+
+import * as User from "./user/user-controller";
+import * as APIKey from "./apikey/apikey-controller";
+
+export function initialize(passport: typeof import("passport")) {
+    passport.use("local", new LocalStrategy(
+        function(username, password, done) {
+            User.findOne({username: username}, function (err, user) {
+                if (err) { 
+                    return done(err, false); 
+                }
+                if (!user) { 
+                    return done(null, false); 
+                }
+
+                User.verifyPassword(user, password, (error, success) => {
+                    if(error) return done(error, false);
+
+                    if(!success) return done(null, false);
+
+                    return done(null, user)
+                });
+            });
+        }
+    ));
+
+    passport.use(new HeaderAPIKeyStrategy(
+        { header: 'Authorization', prefix: 'Bearer ' },
+        false,
+        function(apikey, done) {
+            APIKey.findOne({ apikey: apikey }, function (err, apikey, info) {
+                if (err) { 
+                    return done(err, false); 
+                }
+                if (!apikey) { 
+                    return done(null, false, info);
+                }
+                return done(null, apikey.User);
+            });
+        }
+    ));
+
+    passport.serializeUser((user, done) => {
+        done(null, user.id)
+    });
+    
+    passport.deserializeUser((id: number, done) => {
+        User.findOne({ id: id }, function (err, user) {
+            done(err, user);
+        });
+    });
+}
+

server-node/src/auth/user/user-controller.ts

@@ -0,0 +1,73 @@
+import { Error as SequelizeError, Op } from "sequelize";
+import { Password, User } from "./user-model";
+import crypto from "crypto";
+
+type PickOne<T, F extends keyof T> = Pick<T, F> & { [K in keyof Omit<T, F>]?: never };
+
+export function findOne(params: {id?: number, username?: string}, cb: (err: Error | null, apikey?: User | undefined, info?: Object | undefined) => void): undefined {
+    const query: any = params;
+
+    for (let key in query) {
+        if (query[key] === undefined) {
+            delete query[key];
+        }
+    }
+
+    if(Object.keys(query).length == 0) {
+        cb(new Error("You need to provide at least one argument."), undefined)
+    }
+
+    User.findOne({
+        where: query
+    }).then(user => {
+        if(user)
+            cb(null, user);
+        else
+            cb(null, undefined, { message: "The requested user was not found."});
+    }).catch(e => 
+        cb(e, undefined)
+    );
+}
+
+// TODO: Allow other authentication methods
+export function createUser(params: { username: string, password: string }, cb: (err: SequelizeError | null, user: User | null) => void ) {
+    User.create({ username: params.username }).then(async (user) => {
+        const salt = crypto.randomBytes(16).toString('hex');
+
+        hashPassword(params.password, salt, async (err, derivedKey) => {
+            if(err || !derivedKey) {
+                return cb(err, null);
+            }
+
+            user.setPassword(await Password.create({
+                password: derivedKey,
+                salt: salt
+            })).then(password => {
+                cb(null, user as any as User);
+            }).catch(e => {
+                cb(e, null);
+            });
+        })
+    }).catch(e => 
+        cb(e, null)
+    );
+}
+
+export async function verifyPassword(user: User, password: string, cb: (error: Error | null, success: boolean | null) => void) {
+    const passwordRecord = await user.getPassword();
+    if(!passwordRecord) {
+        return cb(new Error("This user does not have a password set!"), null);
+    }
+
+    hashPassword(password, passwordRecord.salt, (err, derivedKey) => {
+        if(err) return cb(err, null);
+        return cb(null, passwordRecord.password == derivedKey);
+    });
+}
+
+function hashPassword(password: string, salt: string, cb: (err: Error | null, derivedKey: string | null) => void) {
+    crypto.pbkdf2(password, salt, 100000, 64, 'sha512', (err, derivedKey) => {
+        if (err) return cb(err, null);
+        cb(null, derivedKey.toString('hex'));
+    });
+}

server-node/src/auth/user/user-model.ts

@@ -0,0 +1,75 @@
+import {
+    Association, DataTypes, Model, ModelDefined, Optional,
+    Sequelize, InferAttributes, InferCreationAttributes, CreationOptional, NonAttribute, ForeignKey,
+
+    HasManyAddAssociationMixin, HasManyCountAssociationsMixin,
+    HasManyCreateAssociationMixin, HasManyGetAssociationsMixin, HasManyHasAssociationMixin,
+    HasManySetAssociationsMixin, HasManyAddAssociationsMixin, HasManyHasAssociationsMixin,
+    HasManyRemoveAssociationMixin, HasManyRemoveAssociationsMixin, 
+
+    HasOneGetAssociationMixin, HasOneSetAssociationMixin, HasOneCreateAssociationMixin,
+} from 'sequelize';
+
+import { APIKey } from '../apikey/apikey-model';
+
+export class User extends Model<InferAttributes<User>, InferCreationAttributes<User>> {
+    declare id: CreationOptional<number>;
+    declare username: string;
+    declare mail?: string;
+
+    declare getPassword: HasOneGetAssociationMixin<Password | undefined>; // Note the null assertions!
+    declare setPassword: HasOneSetAssociationMixin<Password | undefined, number>;
+    declare createPassword: HasOneCreateAssociationMixin<Password>;
+
+    declare getAccessRules: HasManyGetAssociationsMixin<AccessRule | undefined>; // Note the null assertions!
+    declare addAccessRule: HasManyAddAssociationMixin<AccessRule | undefined, number>;
+    declare addAccessRules: HasManyAddAssociationsMixin<AccessRule | undefined, number>;
+    declare setAccessRules: HasManySetAssociationsMixin<AccessRule | undefined, number>;
+    declare removeAccessRule: HasManyRemoveAssociationMixin<AccessRule | undefined, number>;
+    declare removeAccessRules: HasManyRemoveAssociationsMixin<AccessRule | undefined, number>;
+    declare hasAccessRule: HasManyHasAssociationMixin<AccessRule | undefined, number>;
+    declare hasAccessRules: HasManyHasAssociationsMixin<AccessRule | undefined, number>;
+    declare countAccessRules: HasManyCountAssociationsMixin;
+    declare createAccessRule: HasManyCreateAssociationMixin<AccessRule, 'UserId'>;
+
+    declare getAPIKeys: HasManyGetAssociationsMixin<APIKey | undefined>; // Note the null assertions!
+    declare addAPIKey: HasManyAddAssociationMixin<APIKey | undefined, number>;
+    declare addAPIKeys: HasManyAddAssociationsMixin<APIKey | undefined, number>;
+    declare setAPIKeys: HasManySetAssociationsMixin<APIKey | undefined, number>;
+    declare removeAPIKey: HasManyRemoveAssociationMixin<APIKey | undefined, number>;
+    declare removeAPIKeys: HasManyRemoveAssociationsMixin<APIKey | undefined, number>;
+    declare hasAPIKey: HasManyHasAssociationMixin<APIKey | undefined, number>;
+    declare hasAPIKeys: HasManyHasAssociationsMixin<APIKey | undefined, number>;
+    declare countAPIKeys: HasManyCountAssociationsMixin;
+    declare createAPIKey: HasManyCreateAssociationMixin<APIKey, 'UserId'>;
+
+    // You can also pre-declare possible inclusions, these will only be populated if you
+    // actively include a relation.
+    declare apikeys?: NonAttribute<APIKey[]>;
+
+    declare createdAt: CreationOptional<Date>;
+    declare updatedAt: CreationOptional<Date>;
+}
+
+export class Password extends Model<InferAttributes<Password>, InferCreationAttributes<Password>> {
+    declare id: CreationOptional<number>;
+    declare password: string;
+    declare salt: string;
+
+    declare ownerId: ForeignKey<User['id']>;
+    declare owner?: NonAttribute<User>;
+    
+    declare createdAt: CreationOptional<Date>;
+    declare updatedAt: CreationOptional<Date>;
+}
+
+export class AccessRule extends Model<InferAttributes<AccessRule>, InferCreationAttributes<AccessRule>> {
+    declare id: CreationOptional<number>;
+    declare grants: string;
+
+    declare UserId: ForeignKey<User['id']>;
+    declare User?: NonAttribute<User>;
+    
+    declare createdAt: CreationOptional<Date>;
+    declare updatedAt: CreationOptional<Date>;
+}

server-node/src/data/sequelize-relations.ts

@@ -0,0 +1,87 @@
+import { Sequelize, DataTypes } from "sequelize";
+
+//TODO: Make this configurable
+const sequelize = new Sequelize("sqlite::memory:", {
+    logging: import.meta.env.VITE_SEQUELIZE_LOGGING === "True" ? console.log : false
+});
+
+import { User, AccessRule, Password } from "../auth/user/user-model";
+import { APIKey } from "../auth/apikey/apikey-model";
+
+User.init(
+    {
+        id: {
+            type: DataTypes.INTEGER.UNSIGNED,
+            autoIncrement: true,
+            primaryKey: true,
+        },
+        username: {
+            type: DataTypes.STRING,
+            allowNull: false,
+            unique: true,
+        },
+        mail: {
+            type: DataTypes.STRING,
+            unique: true,
+        },
+        createdAt: DataTypes.DATE,
+        updatedAt: DataTypes.DATE,
+    },
+    { sequelize },
+);
+
+Password.init(
+    {
+        id: {
+            type: DataTypes.INTEGER.UNSIGNED,
+            autoIncrement: true,
+            primaryKey: true
+        },
+        password: DataTypes.STRING,
+        salt: DataTypes.STRING,
+        createdAt: DataTypes.DATE,
+        updatedAt: DataTypes.DATE,
+    },
+    { sequelize },
+);
+User.hasOne(Password);
+Password.belongsTo(User);
+
+AccessRule.init(
+    {
+        id: {
+            type: DataTypes.INTEGER.UNSIGNED,
+            autoIncrement: true,
+            primaryKey: true
+        },
+        grants: DataTypes.STRING,
+        createdAt: DataTypes.DATE,
+        updatedAt: DataTypes.DATE,
+    },
+    { sequelize },
+);
+User.hasMany(AccessRule);
+AccessRule.belongsTo(User);
+
+APIKey.init(
+    {
+        id: {
+            type: DataTypes.INTEGER.UNSIGNED,
+            autoIncrement: true,
+            primaryKey: true
+        },
+        apikey: DataTypes.STRING,
+        createdAt: DataTypes.DATE,
+        updatedAt: DataTypes.DATE,
+    },
+    { sequelize },
+);
+User.hasMany(APIKey);
+APIKey.belongsTo(User);
+
+export default sequelize;
+
+(async () => {
+    await sequelize.sync({ force: true });
+    console.log("Database synced!")
+})();

server-node/src/index.ts

@@ -0,0 +1,79 @@
+/*
+ * translation
+*/
+
+import i18next from "i18next";
+import resourcesToBackend from "i18next-resources-to-backend";
+
+i18next.use(resourcesToBackend((language: string, namespace: string) => import(`../../shared-operations/public/locales/${namespace}/${language}.json`)))
+    .init({
+        debug: false,
+        ns: ["common"], // Preload this namespace, no need to add the others, they will load once their module is loaded
+        defaultNS: "common",
+        fallbackLng: "en",
+        interpolation: {
+            escapeValue: false,
+        },
+        initImmediate: false // Makes loading blocking but sync
+    });
+
+// list available modules
+import { listOperatorNames } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
+console.log("Available Modules: ", listOperatorNames());
+
+/*
+ * jobs
+*/
+
+if(import.meta.env.VITE_JOBS_ENABLED === "True")
+    import("./jobs/jobs-controller");
+
+/**
+ * database
+ */
+
+if(import.meta.env.VITE_AUTH_ENABLED === "True")
+    import("./data/sequelize-relations");
+
+/*
+ * EXPRESS
+*/
+
+import express from "express";
+const app = express();
+const PORT = 8000;
+
+import api from "./routes/api/api-controller";
+
+/*
+* auth
+*/
+
+console.log("env", import.meta.env)
+
+if(import.meta.env.VITE_AUTH_ENABLED === "True") {
+    console.log("Attatching Auth")
+    import("./auth/auth-controller").then(router => router.connect(app)).finally(() => {
+        /*
+        * api
+        */
+
+        app.use("/api", api);
+    });
+}
+else {
+    app.use("/api", api);
+}
+
+// viteNode
+if (import.meta.env.PROD) {
+    app.listen(PORT, () => {
+        console.log(`http://localhost:${PORT}`);
+    });
+}
+
+process.on('unhandledRejection', (reason, promise) => {
+    console.error('Unhandled Rejection at:', promise, 'reason:', reason);
+});
+
+export const viteNodeApp = app;