Custom uid (#883 )

* init * user and pass to just pass lang update * session management fixes and avoid demo user locking * fix for UMASK and extract cleanups
Login fixes (#881 )
2024-03-08 20:49:19 +00:00 · 2024-03-08 18:06:40 +00:00 · 2024-03-07 21:47:21 +00:00 · 2024-03-07 20:12:07 +00:00 · 2024-03-07 12:05:26 -05:00 · 2024-03-06 22:24:30 +00:00
309 changed files with 27547 additions and 24542 deletions
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Formatting
-5f771b785130154ed47952635b7acef371ffe0ec
+5f771b785130154ed47952635b7acef371ffe0ec
+
+# Normalize files
+55d4fda01b2f39f5b7d7b4fda5214bd7ff0fd5dd
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -1,4 +1,18 @@
-# License Agreement for Contributions
-By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under MPL 2.0 (Mozilla Public License Version 2.0) license. 
+# Description
+
+Please provide a summary of the changes, including relevant motivation and context.
+
+Closes #(issue_number)
+
+## Checklist:
+
+- [ ] I have read the [Contribution Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] My changes generate no new warnings
+
+## Contributor License Agreement
+
+By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under the MPL 2.0 (Mozilla Public License Version 2.0) license.

 (This does not change the general open-source nature of Stirling-PDF, simply moving from one license to another license)
--- a/.github/workflows/pull_request_template.md
+++ b/.github/workflows/pull_request_template.md
@@ -1,3 +0,0 @@
-# License Agreement for Contributions
-By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under MPL 2.0 (Mozilla Public License Version 2.0) license. 
-(This does not change the open-source nature of Stirling-PDF, simply moving from one license to another license)
--- a/.github/workflows/push-docker.yml
+++ b/.github/workflows/push-docker.yml
@@ -3,7 +3,7 @@ name: Push Docker Image with VersionNumber
 on:
  workflow_dispatch:
  push:
-    branches: 
+    branches:
      - master
      - main
 permissions:
@@ -15,13 +15,13 @@ jobs:
    steps:

    - uses: actions/checkout@v3.5.2
-    
+
    - name: Set up JDK 17
      uses: actions/setup-java@v3.11.0
      with:
        java-version: '17'
        distribution: 'temurin'
-    
+

    - uses: gradle/gradle-build-action@v2.4.2
      env:
@@ -32,11 +32,11 @@ jobs:

    - name: Make Gradle wrapper executable
      run: chmod +x gradlew
-      
+
    - name: Get version number
      id: versionNumber
      run: echo "::set-output name=versionNumber::$(./gradlew printVersion --quiet | tail -1)"
-    
+
    - name: Login to Docker Hub
      uses: docker/login-action@v2.1.0
      with:
@@ -53,7 +53,7 @@ jobs:
    - name: Convert repository owner to lowercase
      id: repoowner
      run: echo "::set-output name=lowercase::$(echo ${{ github.repository_owner }} | awk '{print tolower($0)}')"
-      
+
    - name: Generate tags
      id: meta
      uses: docker/metadata-action@v4.4.0
@@ -82,7 +82,7 @@ jobs:
        cache-to: type=gha,mode=max
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
-        build-args: 
+        build-args:
          VERSION_TAG=${{ steps.versionNumber.outputs.versionNumber }}
        platforms: linux/amd64,linux/arm64/v8

@@ -99,7 +99,7 @@ jobs:
        tags: |
          type=raw,value=${{ steps.versionNumber.outputs.versionNumber }}-ultra-lite,enable=${{ github.ref == 'refs/heads/master' }}
          type=raw,value=latest-ultra-lite,enable=${{ github.ref == 'refs/heads/master' }}
-          
+

    - name: Build and push Dockerfile-ultra-lite
      uses: docker/build-push-action@v4.0.0
@@ -112,7 +112,7 @@ jobs:
        cache-to: type=gha,mode=max
        tags: ${{ steps.meta2.outputs.tags }}
        labels: ${{ steps.meta2.outputs.labels }}
-        build-args: 
+        build-args:
          VERSION_TAG=${{ steps.versionNumber.outputs.versionNumber }}
        platforms: linux/amd64,linux/arm64/v8

@@ -129,7 +129,7 @@ jobs:
        tags: |
          type=raw,value=${{ steps.versionNumber.outputs.versionNumber }}-lite,enable=${{ github.ref == 'refs/heads/master' }}
          type=raw,value=latest-lite,enable=${{ github.ref == 'refs/heads/master' }}
-          
+

    - name: Build and push Dockerfile-lite
      uses: docker/build-push-action@v4.0.0
@@ -142,7 +142,7 @@ jobs:
        cache-to: type=gha,mode=max
        tags: ${{ steps.meta3.outputs.tags }}
        labels: ${{ steps.meta3.outputs.labels }}
-        build-args: 
+        build-args:
          VERSION_TAG=${{ steps.versionNumber.outputs.versionNumber }}
        platforms: linux/amd64,linux/arm64/v8
    - name: Build and Push Helm Chart
--- a/.github/workflows/releaseArtifacts.yml
+++ b/.github/workflows/releaseArtifacts.yml
@@ -1,7 +1,7 @@
 name: Release Artifacts

-on: 
-  release: 
+on:
+  release:
    types: [created]
 permissions:
  contents: write
@@ -19,13 +19,13 @@ jobs:
            file_suffix: ''
    steps:
    - uses: actions/checkout@v3.5.2
-    
+
    - name: Set up JDK 17
      uses: actions/setup-java@v3.11.0
      with:
        java-version: '17'
        distribution: 'temurin'
-        
+
    - name: Grant execute permission for gradlew
      run: chmod +x gradlew

@@ -42,11 +42,11 @@ jobs:
        asset_name: Stirling-PDF${{ matrix.file_suffix }}.exe
        tag: ${{ github.ref }}
        overwrite: true
-    
+
    - name: Get version number
      id: versionNumber
      run: echo "::set-output name=versionNumber::$(./gradlew printVersion --quiet | tail -1)"
-      
+
    - name: Upload jar binaries to release
      uses: svenstaro/upload-release-action@v2
      with:
--- a/.github/workflows/swagger.yml
+++ b/.github/workflows/swagger.yml
@@ -3,7 +3,7 @@ name: Update Swagger
 on:
  workflow_dispatch:
  push:
-    branches: 
+    branches:
      - master
 jobs:
  push:
@@ -12,13 +12,13 @@ jobs:
    steps:

    - uses: actions/checkout@v3.5.2
-    
+
    - name: Set up JDK 17
      uses: actions/setup-java@v3.11.0
      with:
        java-version: '17'
        distribution: 'temurin'
-        
+
    - name: Grant execute permission for gradlew
      run: chmod +x gradlew

--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
    - name: Run Docker Compose Tests
      run: |
        chmod +x ./gradlew
-        
+
    - name: Get version number
      id: versionNumber
      run: echo "::set-output name=versionNumber::$(./gradlew printVersion --quiet | tail -1)"
--- a/.gitignore
+++ b/.gitignore
@@ -1,127 +1,127 @@
-
-
-### Eclipse ###
-.metadata
-bin/
-tmp/
-*.tmp
-*.bak
-*.swp
-*~.nib
-local.properties
-.settings/
-.loadpath
-.recommenders
-.classpath
-.project
-version.properties
-pipeline/watchedFolders/
-pipeline/finishedFolders/
-#### Stirling-PDF Files ###
-customFiles/
-configs/
-watchedFolders/
-
-
-# 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
-*.db
-/build
-
-/.vscode
-/.idea
-
-# Ignore Mac DS_Store files
-.DS_Store
+
+
+### Eclipse ###
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+.classpath
+.project
+version.properties
+pipeline/watchedFolders/
+pipeline/finishedFolders/
+#### Stirling-PDF Files ###
+customFiles/
+configs/
+watchedFolders/
+
+
+# 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
+*.db
+/build
+
+/.vscode
+/.idea
+
+# Ignore Mac DS_Store files
+.DS_Store
 **/.DS_Store
--- a/109
+++ b/109
@@ -1,47 +1,62 @@
-# Use the base image
-FROM frooodle/stirling-pdf-base:version8
-
-ARG VERSION_TAG
-
-# Set Environment Variables
-ENV DOCKER_ENABLE_SECURITY=false \
-    HOME=/home/stirlingpdfuser \
-    VERSION_TAG=$VERSION_TAG \
-    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75"
-#    PUID=1000 \
-#    PGID=1000 \
-#    UMASK=022 \
-    
-
-# Create user and group
-##RUN groupadd -g $PGID stirlingpdfgroup && \
-##    useradd -u $PUID -g stirlingpdfgroup -s /bin/sh stirlingpdfuser && \
-##    mkdir -p $HOME && chown stirlingpdfuser:stirlingpdfgroup $HOME
-
-# Set up necessary directories and permissions
-RUN mkdir -p /scripts /usr/share/fonts/opentype/noto /usr/share/tesseract-ocr /configs /logs /customFiles /pipeline /pipeline/defaultWebUIConfigs  /pipeline/watchedFolders /pipeline/finishedFolders
-##&& \
-##    chown -R stirlingpdfuser:stirlingpdfgroup /scripts /usr/share/fonts/opentype/noto /usr/share/tesseract-ocr /configs /customFiles && \
-##    chown -R stirlingpdfuser:stirlingpdfgroup /usr/share/tesseract-ocr-original
-
-# Copy necessary files
-COPY ./scripts/* /scripts/
-COPY ./pipeline/ /pipeline/
-COPY src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto/
-COPY src/main/resources/static/fonts/*.otf /usr/share/fonts/opentype/noto/
-COPY build/libs/*.jar app.jar
-
-# Set font cache and permissions
-RUN fc-cache -f -v && chmod +x /scripts/*
-
-##&& \
-##    chown stirlingpdfuser:stirlingpdfgroup /app.jar && \
-##    chmod +x /scripts/init.sh
-
-# Expose necessary ports
-EXPOSE 8080
-
-# Set user and run command
-##USER stirlingpdfuser
-ENTRYPOINT ["/scripts/init.sh"]
-CMD ["java", "-Dfile.encoding=UTF-8", "-jar", "/app.jar"]
+# Main stage
+FROM alpine:3.19.1
+
+# Copy necessary files
+COPY scripts /scripts
+COPY pipeline /pipeline
+COPY src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto
+COPY src/main/resources/static/fonts/*.otf /usr/share/fonts/opentype/noto
+COPY build/libs/*.jar app.jar
+
+ARG VERSION_TAG
+
+
+# Set Environment Variables
+ENV DOCKER_ENABLE_SECURITY=false \
+    VERSION_TAG=$VERSION_TAG \
+    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75" \
+	HOME=/home/stirlingpdfuser \
+	PUID=1000 \
+    PGID=1000 \
+    UMASK=022
+
+
+# JDK for app
+RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories && \
+    apk add --no-cache \
+        ca-certificates \
+        tzdata \
+        tini \
+        bash \
+        curl \
+        openjdk17-jre \
+        su-exec \
+# Doc conversion
+        libreoffice@testing \
+# OCR MY PDF (unpaper for descew and other advanced featues)
+        ocrmypdf \
+        tesseract-ocr-data-eng \
+# CV
+        py3-opencv \
+# python3/pip
+        python3 && \
+    wget https://bootstrap.pypa.io/get-pip.py -qO - | python3 - --break-system-packages --no-cache-dir --upgrade && \
+# uno unoconv and HTML
+    pip install --break-system-packages --no-cache-dir --upgrade unoconv WeasyPrint && \
+    mv /usr/share/tessdata /usr/share/tessdata-original && \
+    mkdir -p $HOME /configs /logs /customFiles /pipeline/watchedFolders /pipeline/finishedFolders && \
+    fc-cache -f -v && \
+    chmod +x /scripts/* && \
+    chmod +x /scripts/init.sh && \
+# User permissions
+    addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
+    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /usr/share/fonts/opentype/noto  /configs /customFiles /pipeline && \
+    chown stirlingpdfuser:stirlingpdfgroup /app.jar
+
+EXPOSE 8080
+
+# Set user and run command
+ENTRYPOINT ["tini", "--", "/scripts/init.sh"]
+CMD ["java", "-Dfile.encoding=UTF-8", "-jar", "/app.jar"]
--- a/88
+++ b/88
@@ -1,65 +1,61 @@
-# Build jbig2enc in a separate stage
-FROM bellsoft/liberica-openjdk-debian:17
+# use alpine
+FROM alpine:3.19.1

 ARG VERSION_TAG

-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        libreoffice-core \
-        libreoffice-common \
-        libreoffice-writer \
-        libreoffice-calc \
-        libreoffice-impress \
-        unoconv && \
-    rm -rf /var/lib/apt/lists/*
-
-
 # Set Environment Variables
 ENV DOCKER_ENABLE_SECURITY=false \
    HOME=/home/stirlingpdfuser \
    VERSION_TAG=$VERSION_TAG \
-    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75"
-#	PUID=1000 \
-#   PGID=1000 \
-#   UMASK=022 \
-
-# Create user and group
-#RUN groupadd -g $PGID stirlingpdfgroup && \
-#    useradd -u $PUID -g stirlingpdfgroup -s /bin/sh stirlingpdfuser && \
-#    mkdir -p $HOME && chown stirlingpdfuser:stirlingpdfgroup $HOME
-
-# Set up necessary directories and permissions
-RUN mkdir -p /scripts /usr/share/fonts/opentype/noto /configs /customFiles /logs /pipeline /pipeline/defaultWebUIConfigs  /pipeline/watchedFolders /pipeline/finishedFolders
-
-#    chown -R stirlingpdfuser:stirlingpdfgroup /usr/share/fonts/opentype/noto /configs /customFiles
+    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75" \
+	PUID=1000 \
+    PGID=1000 \
+    UMASK=022

 # Copy necessary files
-COPY ./scripts/download-security-jar.sh /scripts/download-security-jar.sh
-COPY ./scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
-COPY ./pipeline/ /pipeline/
-COPY src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto/
-COPY src/main/resources/static/fonts/*.otf /usr/share/fonts/opentype/noto/
+COPY scripts/download-security-jar.sh /scripts/download-security-jar.sh
+COPY scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
+COPY pipeline /pipeline
+COPY src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto
+COPY src/main/resources/static/fonts/*.otf /usr/share/fonts/opentype/noto
 COPY build/libs/*.jar app.jar

+RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories && \
+    apk add --no-cache \
+        ca-certificates \
+        tzdata \
+        tini \
+        bash \
+        curl \
+        openjdk17-jre \
+        su-exec \
+# Doc conversion
+   libreoffice@testing \
+# python and pip
+        python3 && \
+        wget https://bootstrap.pypa.io/get-pip.py -qO - | python3 - --break-system-packages --no-cache-dir --upgrade && \
+# uno unoconv and HTML
+    pip install --break-system-packages --no-cache-dir --upgrade unoconv WeasyPrint && \
+# Set up necessary directories and permissions
+    mkdir -p /configs /logs /customFiles /pipeline/watchedFolders /pipeline/finishedFolders && \
 # Set font cache and permissions
-RUN fc-cache -f -v && \
-chmod +x /scripts/init-without-ocr.sh && \
-chmod +x /scripts/download-security-jar.sh
+    fc-cache -f -v && \
+    chmod +x /scripts/*.sh && \
+# User permissions
+    addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
+    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /usr/share/fonts/opentype/noto  /configs /customFiles /pipeline && \
+    chown stirlingpdfuser:stirlingpdfgroup /app.jar    


-#    chown stirlingpdfuser:stirlingpdfgroup /app.jar
-
-
-
-
-# Expose the application port
-EXPOSE 8080
-
 # Set environment variables
-ENV ENDPOINTS_GROUPS_TO_REMOVE=Python,OpenCV,OCRmyPDF
+ENV ENDPOINTS_GROUPS_TO_REMOVE=OpenCV,OCRmyPDF
 ENV DOCKER_ENABLE_SECURITY=false

+EXPOSE 8080
+
 # Run the application
-#USER stirlingpdfuser
-ENTRYPOINT ["/scripts/init-without-ocr.sh"]
+
+ENTRYPOINT ["tini", "--", "/scripts/init-without-ocr.sh"]
 CMD ["java", "-Dfile.encoding=UTF-8", "-jar", "/app.jar"]
--- a/58
+++ b/58
@@ -1,5 +1,5 @@
-# Build jbig2enc in a separate stage
-FROM bellsoft/liberica-openjdk-alpine:17
+# use alpine
+FROM alpine:3.19.1

 ARG VERSION_TAG

@@ -7,40 +7,44 @@ ARG VERSION_TAG
 ENV DOCKER_ENABLE_SECURITY=false \
    HOME=/home/stirlingpdfuser \
    VERSION_TAG=$VERSION_TAG \
-    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75"
-#	PUID=1000 \
-#   PGID=1000 \
-#   UMASK=022 \
+    JAVA_TOOL_OPTIONS="$JAVA_TOOL_OPTIONS -XX:MaxRAMPercentage=75" \
+	PUID=1000 \
+    PGID=1000 \
+    UMASK=022

-# Create user and group using Alpine's addgroup and adduser
-#RUN addgroup -g $PGID stirlingpdfgroup && \
-#    adduser -u $PUID -G stirlingpdfgroup -s /bin/sh -D stirlingpdfuser && \
-#    mkdir -p $HOME && chown stirlingpdfuser:stirlingpdfgroup $HOME
-
-# Set up necessary directories and permissions
-#RUN mkdir -p /scripts /configs /customFiles && \
-#    chown -R stirlingpdfuser:stirlingpdfgroup /scripts /configs /customFiles /logs /pipeline /pipeline/defaultWebUIConfigs  /pipeline/watchedFolders /pipeline/finishedFolders
- 
-RUN mkdir -p /scripts /usr/share/fonts/opentype/noto /configs /customFiles
-COPY ./scripts/download-security-jar.sh /scripts/download-security-jar.sh
-COPY ./scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
-COPY ./pipeline/ /pipeline/
+# Copy necessary files
+COPY scripts/download-security-jar.sh /scripts/download-security-jar.sh
+COPY scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
+COPY pipeline /pipeline
 COPY build/libs/*.jar app.jar

-# Set font cache and permissions
-#RUN chown stirlingpdfuser:stirlingpdfgroup /app.jar

-RUN chmod +x /scripts/init-without-ocr.sh && \
-chmod +x /scripts/download-security-jar.sh && \
-apk add --no-cache curl
+# Set up necessary directories and permissions

-# Expose the application port
-EXPOSE 8080
+RUN mkdir /configs /logs /customFiles && \
+    chmod +x /scripts/*.sh && \
+    apk add --no-cache \
+        ca-certificates \
+        tzdata \
+        tini \
+        bash \
+        curl \
+        su-exec \
+        openjdk17-jre && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories && \
+    # User permissions
+    addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
+    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts  /configs /customFiles /pipeline && \
+    chown stirlingpdfuser:stirlingpdfgroup /app.jar    

 # Set environment variables
 ENV ENDPOINTS_GROUPS_TO_REMOVE=CLI

-ENTRYPOINT ["/scripts/init-without-ocr.sh"]
+EXPOSE 8080
+
+ENTRYPOINT ["tini", "--", "/scripts/init-without-ocr.sh"]

 # Run the application
 CMD ["java", "-Dfile.encoding=UTF-8", "-jar", "/app.jar"]
--- a/43
+++ b/43
@@ -1,43 +0,0 @@
-# Main stage
-FROM ubuntu:latest AS base
-
-
-
-# JDK for app
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    	openjdk-17-jre && \
-    rm -rf /var/lib/apt/lists/*
-    	
-# Doc conversion
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    	libreoffice-core \
-        libreoffice-common \
-        libreoffice-writer \
-        libreoffice-calc \
-        libreoffice-impress \
-		python3-uno \
-		curl \
-		unoconv && \
-    rm -rf /var/lib/apt/lists/*
-		
-		
-# OCR MY PDF (unpaper for descew and other advanced featues)
-RUN apt-get update && apt-get install -y --no-install-recommends software-properties-common gnupg2 && \
-add-apt-repository ppa:alex-p/tesseract-ocr5 && apt install -y --no-install-recommends tesseract-ocr && \
-apt-get update && \
-    apt-get install -y --no-install-recommends \
-        ghostscript \
-        python3-pip \
-        ocrmypdf \
-        unpaper && \
-    rm -rf /var/lib/apt/lists/* && \
-    mv /usr/share/tesseract-ocr /usr/share/tesseract-ocr-original && \
-    pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir --upgrade ocrmypdf && \
-    pip install --no-cache-dir --upgrade pillow==10.0.1 reportlab==3.6.13 wheel==0.38.1 setuptools==65.5.1 pyjwt==2.4.0 cryptography==39.0.1
-    
-    
-#CV and HTML   
-RUN pip install --no-cache-dir opencv-python-headless WeasyPrint 
--- a/Endpoint-groups.md
+++ b/Endpoint-groups.md
@@ -1,46 +1,46 @@
-| Operation           | PageOps | Convert | Security | Other | CLI  | Python | OpenCV | LibreOffice | OCRmyPDF | Java     | Javascript |
-|---------------------|---------|---------|----------|-------|------|--------|--------|-------------|----------|----------|------------|
-| adjust-contrast     |    ✔️    |         |          |       |      |        |        |             |          |           |    ✔️      |
-| auto-split-pdf      |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| crop                |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| extract-page        |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| merge-pdfs          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| multi-page-layout   |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| pdf-organizer       |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |    ✔️       |
-| pdf-to-single-page  |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| remove-pages        |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| rotate-pdf          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| scale-pages         |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| split-pdfs          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
-| file-to-pdf         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| img-to-pdf          |         |    ✔️    |          |       |      |        |        |             |          |    ✔️     |            |
-| pdf-to-html         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| pdf-to-img          |         |    ✔️    |          |       |      |        |        |             |          |    ✔️     |            |
-| pdf-to-pdfa         |         |    ✔️    |          |       |  ✔️   |        |        |             |    ✔️     |          |            |
-| pdf-to-markdown     |         |    ✔️    |          |       |      |        |        |             |            |    ✔️      |            |
-| pdf-to-presentation |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| pdf-to-text         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| pdf-to-word         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| pdf-to-xml          |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| xlsx-to-pdf         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
-| add-password        |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| add-watermark       |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| cert-sign           |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| change-permissions  |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| remove-password     |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| sanitize-pdf        |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
-| add-image           |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
-| add-page-numbers    |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
-| auto-rename         |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
-| change-metadata     |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
-| compare             |         |         |          |  ✔️    |      |        |        |             |          |          |    ✔️       |
-| compress-pdf        |         |         |          |  ✔️    |  ✔️   |        |        |             |    ✔️     |          |            |
-| extract-image-scans |         |         |          |  ✔️    |  ✔️   |   ✔️    |   ✔️    |             |          |          |            |
-| extract-images      |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
-| flatten             |         |         |          |  ✔️    |      |        |        |             |          |          |      ✔️      |
-| get-info-on-pdf     |         |         |          |  ✔️    |      |        |        |             |          |    ✔️      |            |
-| ocr-pdf             |         |         |          |  ✔️    |  ✔️   |        |        |             |    ✔️     |          |            |
-| remove-blanks       |         |         |          |  ✔️    |  ✔️   |   ✔️    |   ✔️    |             |          |          |            |
-| repair              |         |         |          |  ✔️    |  ✔️   |        |        |     ✔️       |          |          |            |
-| show-javascript     |         |         |          |  ✔️    |      |        |        |             |          |          |    ✔️       |
+| Operation           | PageOps | Convert | Security | Other | CLI  | Python | OpenCV | LibreOffice | OCRmyPDF | Java     | Javascript |
+|---------------------|---------|---------|----------|-------|------|--------|--------|-------------|----------|----------|------------|
+| adjust-contrast     |    ✔️    |         |          |       |      |        |        |             |          |           |    ✔️      |
+| auto-split-pdf      |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| crop                |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| extract-page        |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| merge-pdfs          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| multi-page-layout   |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| pdf-organizer       |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |    ✔️       |
+| pdf-to-single-page  |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| remove-pages        |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| rotate-pdf          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| scale-pages         |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| split-pdfs          |    ✔️    |         |          |       |      |        |        |             |          |    ✔️     |            |
+| file-to-pdf         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| img-to-pdf          |         |    ✔️    |          |       |      |        |        |             |          |    ✔️     |            |
+| pdf-to-html         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| pdf-to-img          |         |    ✔️    |          |       |      |        |        |             |          |    ✔️     |            |
+| pdf-to-pdfa         |         |    ✔️    |          |       |  ✔️   |        |        |             |    ✔️     |          |            |
+| pdf-to-markdown     |         |    ✔️    |          |       |      |        |        |             |            |    ✔️      |            |
+| pdf-to-presentation |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| pdf-to-text         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| pdf-to-word         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| pdf-to-xml          |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| xlsx-to-pdf         |         |    ✔️    |          |       |  ✔️   |        |        |     ✔️       |          |          |            |
+| add-password        |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| add-watermark       |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| cert-sign           |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| change-permissions  |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| remove-password     |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| sanitize-pdf        |         |         |    ✔️     |       |      |        |        |             |          |    ✔️     |            |
+| add-image           |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
+| add-page-numbers    |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
+| auto-rename         |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
+| change-metadata     |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
+| compare             |         |         |          |  ✔️    |      |        |        |             |          |          |    ✔️       |
+| compress-pdf        |         |         |          |  ✔️    |  ✔️   |        |        |             |    ✔️     |          |            |
+| extract-image-scans |         |         |          |  ✔️    |  ✔️   |   ✔️    |   ✔️    |             |          |          |            |
+| extract-images      |         |         |          |  ✔️    |      |        |        |             |          |    ✔️     |            |
+| flatten             |         |         |          |  ✔️    |      |        |        |             |          |          |      ✔️      |
+| get-info-on-pdf     |         |         |          |  ✔️    |      |        |        |             |          |    ✔️      |            |
+| ocr-pdf             |         |         |          |  ✔️    |  ✔️   |        |        |             |    ✔️     |          |            |
+| remove-blanks       |         |         |          |  ✔️    |  ✔️   |   ✔️    |   ✔️    |             |          |          |            |
+| repair              |         |         |          |  ✔️    |  ✔️   |        |        |     ✔️       |          |          |            |
+| show-javascript     |         |         |          |  ✔️    |      |        |        |             |          |          |    ✔️       |
 | sign                |         |         |          |  ✔️    |      |        |        |             |          |          |    ✔️       |
--- a/HowToAddNewLanguage.md
+++ b/HowToAddNewLanguage.md
@@ -9,13 +9,13 @@ 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/Stirling-Tools/Stirling-PDF/blob/main/src/main/resources/templates/fragments/languages.html
-and add a flag svg file to 
+and add a flag svg file to
 https://github.com/Stirling-Tools/Stirling-PDF/tree/main/src/main/resources/static/images/flags
 Any SVG flags are fine, i got most of mine from [here](https://flagicons.lipis.dev/)
-If your language isnt represented by a flag just find whichever closely matches it, such as for Arabic i chose Saudi Arabia
+If your language isn't represented by a flag just find whichever closely matches it, such as for Arabic i chose Saudi Arabia


-For example to add Polish you would add 
+For example to add Polish you would add
 ```html
 <a class="dropdown-item lang_dropdown-item" href="" data-language-code="pl_PL">
    <img src="images/flags/pl.svg" alt="icon" width="20" height="15"> Polski
@@ -23,7 +23,7 @@ For example to add Polish you would add
 ```
 The data-language-code is the code used to reference the file in the next step.

-Start by copying the existing english property file 
+Start by copying the existing english property file

 [https://github.com/Stirling-Tools/Stirling-PDF/blob/main/src/main/resources/messages_en_GB.properties](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/src/main/resources/messages_en_GB.properties)

@@ -32,7 +32,7 @@ Copy and rename it to messages_{your data-language-code here}.properties, in the

 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)
+If you do not have a java IDE i am happy to verify the changes worked once you raise PR (but won't be able to verify the translations themselves)



--- a/HowToUseOCR.md
+++ b/HowToUseOCR.md
@@ -2,12 +2,12 @@

 This document provides instructions on how to add additional language packs for the OCR tab in Stirling-PDF, both inside and outside of Docker.

-## My OCR used to work and now doesnt!
-Please update your tesseract docker volume path version from 4.00 to 5
+## My OCR used to work and now doesn't!
+The paths have changed for the tessadata locations on new docker images, please use ``/usr/share/tessdata`` (Others should still work for backwards compatability but might not)

 ## How does the OCR Work
 Stirling-PDF uses [OCRmyPDF](https://github.com/ocrmypdf/OCRmyPDF) which in turn uses tesseract for its text recognition.
-All credit goes to them for this awesome work! 
+All credit goes to them for this awesome work!

 ## Language Packs

@@ -21,13 +21,13 @@ Depending on your requirements, you can choose the appropriate language pack for
 ### Installing Language Packs

 1. Download the desired language pack(s) by selecting the `.traineddata` file(s) for the language(s) you need.
-2. Place the `.traineddata` files in the Tesseract tessdata directory: `/usr/share/tesseract-ocr/5/tessdata` (Debian) or `/usr/share/tesseract/tessdata` (Fedora)
+2. Place the `.traineddata` files in the Tesseract tessdata directory: `/usr/share/tessdata`

 # DO NOT REMOVE EXISTING ENG.TRAINEDDATA, IT'S REQUIRED.

 #### Docker

-If you are using Docker, you need to expose the Tesseract tessdata directory as a volume in order to use the additional language packs. 
+If you are using Docker, you need to expose the Tesseract tessdata directory as a volume in order to use the additional language packs.
 #### Docker Compose
 Modify your `docker-compose.yml` file to include the following volume configuration:

@@ -37,14 +37,14 @@ services:
  your_service_name:
    image: your_docker_image_name
    volumes:
-      - /location/of/trainingData:/usr/share/tesseract-ocr/5/tessdata
+      - /location/of/trainingData:/usr/share/tessdata
 ```


 #### Docker run
 Add the following to your existing docker run command
 ```bash
-v /location/of/trainingData:/usr/share/tesseract-ocr/5/tessdata
+-v /location/of/trainingData:/usr/share/tessdata
 ```

 #### Non-Docker
--- a/88
+++ b/88
@@ -1,45 +1,45 @@
-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"
-                    }
-                }
-            }
-        }
-        stage('Helm Push') {
-            steps {
-                script {
-                    //TODO: Read chartVersion from Chart.yaml
-                    def chartVersion = '1.0.0'
-                    withCredentials([string(credentialsId: 'docker_hub_access_token', variable: 'DOCKER_HUB_ACCESS_TOKEN')]) {
-				        sh "docker login --username frooodle --password $DOCKER_HUB_ACCESS_TOKEN"
-				        sh "helm package chart/stirling-pdf"
-                        sh "helm push stirling-pdf-chart-1.0.0.tgz oci://registry-1.docker.io/frooodle"
-                    }
-                }
-            }
-        }
-    }
+pipeline {
+    agent any
+    stages {
+        stage('Build') {
+            steps {
+				sh 'chmod 755 gradlew'
+                sh './gradlew build'
+            }
+        }
+        stage('Docker Build') {
+            steps {
+                script {
+                    def appVersion = sh(returnStdout: true, script: './gradlew printVersion -q').trim()
+                    def image = "frooodle/s-pdf:$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"
+                    }
+                }
+            }
+        }
+        stage('Helm Push') {
+            steps {
+                script {
+                    //TODO: Read chartVersion from Chart.yaml
+                    def chartVersion = '1.0.0'
+                    withCredentials([string(credentialsId: 'docker_hub_access_token', variable: 'DOCKER_HUB_ACCESS_TOKEN')]) {
+				        sh "docker login --username frooodle --password $DOCKER_HUB_ACCESS_TOKEN"
+				        sh "helm package chart/stirling-pdf"
+                        sh "helm push stirling-pdf-chart-1.0.0.tgz oci://registry-1.docker.io/frooodle"
+                    }
+                }
+            }
+        }
+    }
 }
--- a/LocalRunGuide.md
+++ b/LocalRunGuide.md
@@ -45,7 +45,7 @@ sudo apt-get update
 sudo apt-get install -y git  automake  autoconf  libtool  libleptonica-dev  pkg-config zlib1g-dev make g++ java-17-openjdk python3 python3-pip
 ```

-For Fedora-based systems use this command: 
+For Fedora-based systems use this command:

 ```bash
 sudo dnf install -y git automake autoconf libtool leptonica-devel pkg-config zlib-devel make gcc-c++ java-17-openjdk python3 python3-pip
@@ -65,7 +65,7 @@ sudo make install
 ```

 ### Step 3: Install Additional Software
-Next we need to install LibreOffice for conversions, ocrmypdf for OCR, and opencv for patern recognition functionality.
+Next we need to install LibreOffice for conversions, ocrmypdf for OCR, and opencv for pattern recognition functionality.

 Install the following software:

@@ -95,14 +95,14 @@ For Debian-based systems, you can use the following command:

 ```bash
 sudo apt-get install -y libreoffice-writer libreoffice-calc libreoffice-impress unpaper ocrmypdf
-pip3 install uno opencv-python-headless unoconv pngquant WeasyPrint 
+pip3 install uno opencv-python-headless unoconv pngquant WeasyPrint
 ```

 For Fedora:

 ```bash
 sudo dnf install -y libreoffice-writer libreoffice-calc libreoffice-impress unpaper ocrmypdf
-pip3 install uno opencv-python-headless unoconv pngquant WeasyPrint 
+pip3 install uno opencv-python-headless unoconv pngquant WeasyPrint
 ```

 ### Step 4: Clone and Build Stirling-PDF
@@ -139,8 +139,8 @@ Easiest is to use the langpacks provided by your repositories. Skip the other st
 Manual:

 1. Download the desired language pack(s) by selecting the `.traineddata` file(s) for the language(s) you need.
-2. Place the `.traineddata` files in the Tesseract tessdata directory: `/usr/share/tesseract-ocr/5/tessdata`
-3. 
+2. Place the `.traineddata` files in the Tesseract tessdata directory: `/usr/share/tessdata`
+3.
 Please view  [OCRmyPDF install guide](https://ocrmypdf.readthedocs.io/en/latest/installation.html) for more info.
 **IMPORTANT:** DO NOT REMOVE EXISTING `eng.traineddata`, IT'S REQUIRED.

@@ -264,10 +264,10 @@ sudo systemctl restart stirlingpdf.service

 Remember to set the necessary environment variables before running the project if you want to customize the application the list can be seen in the main readme.

-You can do this in the terminal by using the `export` command or -D arguements to java -jar command:
+You can do this in the terminal by using the `export` command or -D argument to java -jar command:

 ```bash
 export APP_HOME_NAME="Stirling PDF"
 or
-DAPP_HOME_NAME="Stirling PDF" 
+-DAPP_HOME_NAME="Stirling PDF"
 ```
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![Docker Image Version (tag latest semver)](https://img.shields.io/docker/v/frooodle/s-pdf/latest)](https://github.com/Stirling-Tools/Stirling-PDF/)
 [![GitHub Repo stars](https://img.shields.io/github/stars/stirling-tools/stirling-pdf?style=social)](https://github.com/Stirling-Tools/stirling-pdf)
 [![Paypal Donate](https://img.shields.io/badge/Paypal%20Donate-yellow?style=flat&logo=paypal)](https://www.paypal.com/paypalme/froodleplex)
-[![Github Sponser](https://img.shields.io/badge/Github%20Sponsor-yellow?style=flat&logo=github)](https://github.com/sponsors/Frooodle)
+[![Github Sponsor](https://img.shields.io/badge/Github%20Sponsor-yellow?style=flat&logo=github)](https://github.com/sponsors/Frooodle)

 [![Deploy to DO](https://www.deploytodo.com/do-btn-blue.svg)](https://cloud.digitalocean.com/apps/new?repo=https://github.com/Stirling-Tools/Stirling-PDF/tree/digitalOcean&refcode=c3210994b1af)

@@ -110,10 +110,11 @@ Docker Run
 ```bash
 docker run -d \
  -p 8080:8080 \
-  -v /location/of/trainingData:/usr/share/tesseract-ocr/5/tessdata \
+  -v /location/of/trainingData:/usr/share/tessdata \
  -v /location/of/extraConfigs:/configs \
  -v /location/of/logs:/logs \
  -e DOCKER_ENABLE_SECURITY=false \
+  -e INSTALL_BOOK_AND_ADVANCED_HTML_OPS=false \
  --name stirling-pdf \
  frooodle/s-pdf:latest

@@ -131,12 +132,13 @@ services:
    ports:
      - '8080:8080'
    volumes:
-      - /location/of/trainingData:/usr/share/tesseract-ocr/5/tessdata #Required for extra OCR languages
+      - /location/of/trainingData:/usr/share/tessdata #Required for extra OCR languages
      - /location/of/extraConfigs:/configs
 #      - /location/of/customFiles:/customFiles/
 #      - /location/of/logs:/logs/
    environment:
      - DOCKER_ENABLE_SECURITY=false
+      - INSTALL_BOOK_AND_ADVANCED_HTML_OPS=false
 ```

 Note: Podman is CLI-compatible with Docker, so simply replace "docker" with "podman".
@@ -172,7 +174,7 @@ Stirling PDF currently supports 26!
 - Hindi (हिंदी) (hi_IN)
 - Hungarian (Magyar) (hu_HU)
 - Bulgarian (Български) (bg_BG)
- Sebian Latin alphabet (Srpski) (sr-Latn-RS)
+- Sebian Latin alphabet (Srpski) (sr_LATN_RS)

 ## Contributing (creating issues, translations, fixing bugs, etc.)

@@ -228,6 +230,7 @@ metrics:
 - ``SYSTEM_ROOTURIPATH`` ie set to ``/pdf-app`` to Set the application's root URI to ``localhost:8080/pdf-app``
 - ``SYSTEM_CONNECTIONTIMEOUTMINUTES`` to set custom connection timeout values
 - ``DOCKER_ENABLE_SECURITY`` to tell docker to download security jar (required as true for auth login)
+- ``INSTALL_BOOK_AND_ADVANCED_HTML_OPS`` to download calibre onto stirling-pdf enabling pdf to/from book and advanced html conversion

 ## API
 For those wanting to use Stirling-PDFs backend API to link with their own custom scripting to edit PDFs you can view all existing API documentation
@@ -262,7 +265,7 @@ For API usage you must provide a header with 'X-API-Key' and the associated API
 - Redact text (Via UI not just automated way)
 - Add Forms
 - Multi page layout (Stich PDF pages together) support x rows y columns and custom page sizing
- Fill forms mannual and automatic
+- Fill forms manually or automatically

 ### Q2: Why is my application downloading .htm files?
 This is an issue caused commonly by your NGINX configuration. The default file upload size for NGINX is 1MB, you need to add the following in your Nginx sites-available file. ``client_max_body_size SIZE;`` Where "SIZE" is 50M for example for 50MB files.
--- a/Version-groups.md
+++ b/Version-groups.md
@@ -1,64 +1,64 @@
-|Technology      | Ultra-Lite | Lite | Full |
-|----------------|:----------:|:----:|:----:|
-| Java           |     ✔️      |  ✔️  |  ✔️  |
-| JavaScript     |     ✔️      |  ✔️  |  ✔️  |
-| Libre          |             |  ✔️  |  ✔️  |
-| Python         |             |      |  ✔️  |
-| OpenCV         |             |      |  ✔️  |
-| OCRmyPDF       |             |      |  ✔️  |
-
-
-
-
-
-Operation           | Ultra-Lite | Lite | Full
--------------------|------------|------|-----
-add-page-numbers    |     ✔️      |  ✔️   |  ✔️
-add-password        |     ✔️      |  ✔️   |  ✔️
-add-image           |     ✔️      |  ✔️   |  ✔️
-add-watermark       |     ✔️      |  ✔️   |  ✔️
-adjust-contrast     |     ✔️      |  ✔️   |  ✔️
-auto-split-pdf      |     ✔️      |  ✔️   |  ✔️
-auto-redact         |     ✔️      |  ✔️   |  ✔️
-auto-rename         |     ✔️      |  ✔️   |  ✔️
-cert-sign           |     ✔️      |  ✔️   |  ✔️
-crop                |     ✔️      |  ✔️   |  ✔️
-change-metadata     |     ✔️      |  ✔️   |  ✔️
-change-permissions  |     ✔️      |  ✔️   |  ✔️
-compare             |     ✔️      |  ✔️   |  ✔️
-extract-page        |     ✔️      |  ✔️   |  ✔️
-extract-images      |     ✔️      |  ✔️   |  ✔️
-flatten             |     ✔️      |  ✔️   |  ✔️
-get-info-on-pdf     |     ✔️      |  ✔️   |  ✔️
-img-to-pdf          |     ✔️      |  ✔️   |  ✔️
-markdown-to-pdf     |     ✔️      |  ✔️   |  ✔️
-merge-pdfs          |     ✔️      |  ✔️   |  ✔️
-multi-page-layout   |     ✔️      |  ✔️   |  ✔️
-overlay-pdf         |     ✔️      |  ✔️   |  ✔️
-pdf-organizer       |     ✔️      |  ✔️   |  ✔️
-pdf-to-csv          |     ✔️      |  ✔️   |  ✔️
-pdf-to-img          |     ✔️      |  ✔️   |  ✔️
-pdf-to-single-page  |     ✔️      |  ✔️   |  ✔️
-remove-pages        |     ✔️      |  ✔️   |  ✔️
-remove-password     |     ✔️      |  ✔️   |  ✔️
-rotate-pdf          |     ✔️      |  ✔️   |  ✔️
-sanitize-pdf        |     ✔️      |  ✔️   |  ✔️
-scale-pages         |     ✔️      |  ✔️   |  ✔️
-sign                |     ✔️      |  ✔️   |  ✔️
-show-javascript     |     ✔️      |  ✔️   |  ✔️
-split-by-size-or-count |     ✔️      |  ✔️   |  ✔️
-split-pdf-by-sections  |     ✔️      |  ✔️   |  ✔️
-split-pdfs          |     ✔️      |  ✔️   |  ✔️
-file-to-pdf         |             |  ✔️   |  ✔️
-pdf-to-html         |             |  ✔️   |  ✔️
-pdf-to-presentation |             |  ✔️   |  ✔️
-pdf-to-text         |             |  ✔️   |  ✔️
-pdf-to-word         |             |  ✔️   |  ✔️
-pdf-to-xml          |             |  ✔️   |  ✔️
-repair              |             |  ✔️   |  ✔️
-xlsx-to-pdf         |             |  ✔️   |  ✔️
-compress-pdf        |             |       |  ✔️
-extract-image-scans |             |       |  ✔️
-ocr-pdf             |             |       |  ✔️
-pdf-to-pdfa         |             |       |  ✔️
-remove-blanks       |             |       |  ✔️
+|Technology      | Ultra-Lite | Lite | Full |
+|----------------|:----------:|:----:|:----:|
+| Java           |     ✔️      |  ✔️  |  ✔️  |
+| JavaScript     |     ✔️      |  ✔️  |  ✔️  |
+| Libre          |             |  ✔️  |  ✔️  |
+| Python         |             |      |  ✔️  |
+| OpenCV         |             |      |  ✔️  |
+| OCRmyPDF       |             |      |  ✔️  |
+
+
+
+
+
+Operation           | Ultra-Lite | Lite | Full
+--------------------|------------|------|-----
+add-page-numbers    |     ✔️      |  ✔️   |  ✔️
+add-password        |     ✔️      |  ✔️   |  ✔️
+add-image           |     ✔️      |  ✔️   |  ✔️
+add-watermark       |     ✔️      |  ✔️   |  ✔️
+adjust-contrast     |     ✔️      |  ✔️   |  ✔️
+auto-split-pdf      |     ✔️      |  ✔️   |  ✔️
+auto-redact         |     ✔️      |  ✔️   |  ✔️
+auto-rename         |     ✔️      |  ✔️   |  ✔️
+cert-sign           |     ✔️      |  ✔️   |  ✔️
+crop                |     ✔️      |  ✔️   |  ✔️
+change-metadata     |     ✔️      |  ✔️   |  ✔️
+change-permissions  |     ✔️      |  ✔️   |  ✔️
+compare             |     ✔️      |  ✔️   |  ✔️
+extract-page        |     ✔️      |  ✔️   |  ✔️
+extract-images      |     ✔️      |  ✔️   |  ✔️
+flatten             |     ✔️      |  ✔️   |  ✔️
+get-info-on-pdf     |     ✔️      |  ✔️   |  ✔️
+img-to-pdf          |     ✔️      |  ✔️   |  ✔️
+markdown-to-pdf     |     ✔️      |  ✔️   |  ✔️
+merge-pdfs          |     ✔️      |  ✔️   |  ✔️
+multi-page-layout   |     ✔️      |  ✔️   |  ✔️
+overlay-pdf         |     ✔️      |  ✔️   |  ✔️
+pdf-organizer       |     ✔️      |  ✔️   |  ✔️
+pdf-to-csv          |     ✔️      |  ✔️   |  ✔️
+pdf-to-img          |     ✔️      |  ✔️   |  ✔️
+pdf-to-single-page  |     ✔️      |  ✔️   |  ✔️
+remove-pages        |     ✔️      |  ✔️   |  ✔️
+remove-password     |     ✔️      |  ✔️   |  ✔️
+rotate-pdf          |     ✔️      |  ✔️   |  ✔️
+sanitize-pdf        |     ✔️      |  ✔️   |  ✔️
+scale-pages         |     ✔️      |  ✔️   |  ✔️
+sign                |     ✔️      |  ✔️   |  ✔️
+show-javascript     |     ✔️      |  ✔️   |  ✔️
+split-by-size-or-count |     ✔️      |  ✔️   |  ✔️
+split-pdf-by-sections  |     ✔️      |  ✔️   |  ✔️
+split-pdfs          |     ✔️      |  ✔️   |  ✔️
+file-to-pdf         |             |  ✔️   |  ✔️
+pdf-to-html         |             |  ✔️   |  ✔️
+pdf-to-presentation |             |  ✔️   |  ✔️
+pdf-to-text         |             |  ✔️   |  ✔️
+pdf-to-word         |             |  ✔️   |  ✔️
+pdf-to-xml          |             |  ✔️   |  ✔️
+repair              |             |  ✔️   |  ✔️
+xlsx-to-pdf         |             |  ✔️   |  ✔️
+compress-pdf        |             |       |  ✔️
+extract-image-scans |             |       |  ✔️
+ocr-pdf             |             |       |  ✔️
+pdf-to-pdfa         |             |       |  ✔️
+remove-blanks       |             |       |  ✔️
--- a/build.gradle
+++ b/build.gradle
@@ -1,18 +1,18 @@
 plugins {
    id 'java'
-    id 'org.springframework.boot' version '3.2.1'
+    id 'org.springframework.boot' version '3.2.2'
    id 'io.spring.dependency-management' version '1.1.3'
    id 'org.springdoc.openapi-gradle-plugin' version '1.8.0'
    id "io.swagger.swaggerhub" version "1.3.2"
    id 'edu.sc.seis.launch4j' version '3.0.5'
-    id 'com.diffplug.spotless' version '6.23.3'
+    id 'com.diffplug.spotless' version '6.25.0'
    id 'com.github.jk1.dependency-license-report' version '2.5'
 }

 import com.github.jk1.license.render.*

 group = 'stirling.software'
-version = '0.20.0'
+version = '0.22.0'
 sourceCompatibility = '17'

 repositories {
@@ -89,22 +89,24 @@ dependencies {
    //security updates
    implementation 'ch.qos.logback:logback-classic:1.4.14'
    implementation 'ch.qos.logback:logback-core:1.4.14'
-    implementation 'org.springframework:spring-webmvc:6.1.2'
+    implementation 'org.springframework:spring-webmvc:6.1.3'
+
+    implementation("io.github.pixee:java-security-toolkit:1.1.2")

    implementation 'org.yaml:snakeyaml:2.2'
-    implementation 'org.springframework.boot:spring-boot-starter-web:3.2.1'
-    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf:3.2.1'
+    implementation 'org.springframework.boot:spring-boot-starter-web:3.2.2'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf:3.2.2'

    if (System.getenv('DOCKER_ENABLE_SECURITY') != 'false') {
-        implementation 'org.springframework.boot:spring-boot-starter-security:3.2.1'
+        implementation 'org.springframework.boot:spring-boot-starter-security:3.2.2'
        implementation 'org.thymeleaf.extras:thymeleaf-extras-springsecurity5:3.1.2.RELEASE'
-        implementation "org.springframework.boot:spring-boot-starter-data-jpa:3.2.1"
-        
+        implementation "org.springframework.boot:spring-boot-starter-data-jpa:3.2.2"
+
        //2.2.x requires rebuild of DB file.. need migration path
        implementation "com.h2database:h2:2.1.214"
    }

-    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.2.1'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.2.2'

    // Batik
    implementation 'org.apache.xmlgraphics:batik-all:1.17'
@@ -136,19 +138,19 @@ dependencies {
    implementation ('com.opencsv:opencsv:5.9') {
        exclude group: 'commons-logging', module: 'commons-logging'
    }
-    
+
    implementation ('org.apache.pdfbox:pdfbox:3.0.1'){
        exclude group: 'commons-logging', module: 'commons-logging'
    }
-    
+
    implementation ('org.apache.pdfbox:xmpbox:3.0.1'){
        exclude group: 'commons-logging', module: 'commons-logging'
    }
-    
+
    implementation 'org.bouncycastle:bcprov-jdk18on:1.77'
    implementation 'org.bouncycastle:bcpkix-jdk18on:1.77'
-    implementation 'org.springframework.boot:spring-boot-starter-actuator'
-    implementation 'io.micrometer:micrometer-core'
+    implementation 'org.springframework.boot:spring-boot-starter-actuator:3.2.2'
+    implementation 'io.micrometer:micrometer-core:1.12.3'
    implementation group: 'com.google.zxing', name: 'core', version: '3.5.2'
    // https://mvnrepository.com/artifact/org.commonmark/commonmark
    implementation 'org.commonmark:commonmark:0.21.0'
@@ -156,7 +158,7 @@ dependencies {
    // https://mvnrepository.com/artifact/com.github.vladimir-bukhtoyarov/bucket4j-core
    implementation 'com.github.vladimir-bukhtoyarov:bucket4j-core:7.6.0'

-    developmentOnly("org.springframework.boot:spring-boot-devtools")
+    developmentOnly("org.springframework.boot:spring-boot-devtools:3.2.2")
    compileOnly 'org.projectlombok:lombok:1.18.30'
    annotationProcessor 'org.projectlombok:lombok:1.18.28'
 }
--- a/chart/stirling-pdf/Chart.yaml
+++ b/chart/stirling-pdf/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: 0.14.2
+appVersion: 0.20.2
 description: locally hosted web application that allows you to perform various operations on PDF files
 home: https://github.com/Stirling-Tools/Stirling-PDF
 keywords:
--- a/chart/stirling-pdf/templates/service.yaml
+++ b/chart/stirling-pdf/templates/service.yaml
@@ -43,6 +43,6 @@ spec:
    name: http
 {{- end }}
    protocol: TCP
-    
+
  selector:
    {{- include "stirlingpdf.selectorLabels" . | nindent 4 }}
--- a/chart/stirling-pdf/values.yaml
+++ b/chart/stirling-pdf/values.yaml
@@ -16,11 +16,11 @@ commonLabels: {}
 # team_name: dev

 envs: []
-# - name: PP_HOME_NAME
+# - name: UI_APP_NAME
 #   value: "Stirling PDF"
-# - name: APP_HOME_DESCRIPTION
+# - name: UI_HOME_DESCRIPTION
 #   value: "Your locally hosted one-stop-shop for all your PDF needs."
-# - name: APP_NAVBAR_NAME
+# - name: UI_APP_NAVBAR_NAME
 #   value: "Stirling PDF"
 # - name: ALLOW_GOOGLE_VISIBILITY
 #   value: "true"
--- a/docs/stirling.png
+++ b/docs/stirling.png
--- a/docs/stirling.svg
+++ b/docs/stirling.svg
@@ -1,310 +1,110 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->

 <svg
-   width="99.537987mm"
-   height="95.209366mm"
-   viewBox="0 0 99.537987 95.209366"
   version="1.1"
-   id="svg745"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 512 512"
+   style="enable-background:new 0 0 512 512;"
   xml:space="preserve"
-   inkscape:version="1.2.1 (9c6d41e4, 2022-07-14)"
-   sodipodi:docname="stirling.svg"
-   inkscape:export-filename="stirling.png"
-   inkscape:export-xdpi="80"
-   inkscape:export-ydpi="80"
+   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:xlink="http://www.w3.org/1999/xlink"
   xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg"><sodipodi:namedview
-     id="namedview747"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:showpageshadow="2"
-     inkscape:pageopacity="0.0"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1"
-     inkscape:document-units="mm"
-     showgrid="false"
-     inkscape:zoom="0.914906"
-     inkscape:cx="184.17193"
-     inkscape:cy="509.88845"
-     inkscape:window-width="2293"
-     inkscape:window-height="1387"
-     inkscape:window-x="122"
-     inkscape:window-y="25"
-     inkscape:window-maximized="0"
-     inkscape:current-layer="svg745" /><defs
-     id="defs742"><linearGradient
-       inkscape:collect="always"
-       id="linearGradient72198"><stop
-         style="stop-color:#ccd6d7;stop-opacity:1;"
-         offset="0"
-         id="stop72194" /><stop
-         style="stop-color:#0f3a3f;stop-opacity:1;"
-         offset="1"
-         id="stop72196" /></linearGradient><linearGradient
-       inkscape:collect="always"
-       id="linearGradient71928"><stop
-         style="stop-color:#4b0005;stop-opacity:1;"
-         offset="0"
-         id="stop71924" /><stop
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-         offset="1"
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--- a/exampleYmlFiles/docker-compose-latest-lite-security.yml
+++ b/exampleYmlFiles/docker-compose-latest-lite-security.yml
@@ -15,13 +15,13 @@ services:
    ports:
      - 8080:8080
    volumes:
-      - /stirling/latest/data:/usr/share/tesseract-ocr/5/tessdata:rw
+      - /stirling/latest/data:/usr/share/tessdata:rw
      - /stirling/latest/config:/configs:rw
      - /stirling/latest/logs:/logs:rw
    environment:
      DOCKER_ENABLE_SECURITY: "true"
      SECURITY_ENABLELOGIN: "true"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF-Lite
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF-Lite Latest with Security
      UI_APPNAMENAVBAR: Stirling-PDF-Lite Latest
--- a/exampleYmlFiles/docker-compose-latest-lite.yml
+++ b/exampleYmlFiles/docker-compose-latest-lite.yml
@@ -20,7 +20,7 @@ services:
    environment:
      DOCKER_ENABLE_SECURITY: "false"
      SECURITY_ENABLELOGIN: "false"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF-Lite
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF-Lite Latest
      UI_APPNAMENAVBAR: Stirling-PDF-Lite Latest
--- a/exampleYmlFiles/docker-compose-latest-security.yml
+++ b/exampleYmlFiles/docker-compose-latest-security.yml
@@ -15,13 +15,13 @@ services:
    ports:
      - 8080:8080
    volumes:
-      - /stirling/latest/data:/usr/share/tesseract-ocr/5/tessdata:rw
+      - /stirling/latest/data:/usr/share/tessdata:rw
      - /stirling/latest/config:/configs:rw
      - /stirling/latest/logs:/logs:rw
    environment:
      DOCKER_ENABLE_SECURITY: "true"
      SECURITY_ENABLELOGIN: "true"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF Latest with Security
      UI_APPNAMENAVBAR: Stirling-PDF Latest
--- a/exampleYmlFiles/docker-compose-latest-ultra-lite-security.yml
+++ b/exampleYmlFiles/docker-compose-latest-ultra-lite-security.yml
@@ -15,13 +15,13 @@ services:
    ports:
      - 8080:8080
    volumes:
-      - /stirling/latest/data:/usr/share/tesseract-ocr/5/tessdata:rw
+      - /stirling/latest/data:/usr/share/tessdata:rw
      - /stirling/latest/config:/configs:rw
      - /stirling/latest/logs:/logs:rw
    environment:
      DOCKER_ENABLE_SECURITY: "true"
      SECURITY_ENABLELOGIN: "true"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF-Lite
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF-Lite Latest with Security
      UI_APPNAMENAVBAR: Stirling-PDF-Lite Latest
--- a/exampleYmlFiles/docker-compose-latest-ultra-lite.yml
+++ b/exampleYmlFiles/docker-compose-latest-ultra-lite.yml
@@ -20,7 +20,7 @@ services:
    environment:
      DOCKER_ENABLE_SECURITY: "false"
      SECURITY_ENABLELOGIN: "false"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF-Ultra-lite
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF-Ultra-lite Latest
      UI_APPNAMENAVBAR: Stirling-PDF-Ultra-lite Latest
--- a/exampleYmlFiles/docker-compose-latest.yml
+++ b/exampleYmlFiles/docker-compose-latest.yml
@@ -15,13 +15,13 @@ services:
    ports:
      - 8080:8080
    volumes:
-      - /stirling/latest/data:/usr/share/tesseract-ocr/5/tessdata:rw
+      - /stirling/latest/data:/usr/share/tessdata:rw
      - /stirling/latest/config:/configs:rw
      - /stirling/latest/logs:/logs:rw
    environment:
      DOCKER_ENABLE_SECURITY: "false"
      SECURITY_ENABLELOGIN: "false"
-      SYSTEM_DEFAULTLOCALE: en_US
+      SYSTEM_DEFAULTLOCALE: en-US
      UI_APPNAME: Stirling-PDF
      UI_HOMEDESCRIPTION: Demo site for Stirling-PDF Latest
      UI_APPNAMENAVBAR: Stirling-PDF Latest
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -1,91 +1,91 @@
-@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
+@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
--- a/pipeline/defaultWebUIConfigs/split-rotate-auto-rename.json
+++ b/pipeline/defaultWebUIConfigs/split-rotate-auto-rename.json
@@ -6,7 +6,8 @@
      "parameters": {
        "horizontalDivisions": 2,
        "verticalDivisions": 2,
-        "fileInput": "automated"
+        "fileInput": "automated",
+        "merge": false
      }
    },
    {
@@ -30,4 +31,4 @@
  },
  "outputDir": "{outputFolder}",
  "outputFileName": "{filename}"
-}
+}
--- a/scripts/PropSync.java
+++ b/scripts/PropSync.java
@@ -16,7 +16,7 @@ public class PropSync {
        Map<String, String> enProps = linesToProps(enLines);

        for (File file : files) {
-            if (!file.getName().equals("messages_en_GB.properties")) {
+            if (!"messages_en_GB.properties".equals(file.getName())) {
                System.out.println("Processing file: " + file.getName());
                List<String> lines;
                try {
--- a/scripts/detect-blank-pages.py
+++ b/scripts/detect-blank-pages.py
@@ -1,37 +0,0 @@
-import cv2
-import sys
-import argparse
-import numpy as np
-
-def is_blank_image(image_path, threshold=10, white_percent=99, white_value=255, blur_size=5):
-    image = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)
-
-    if image is None:
-        print(f"Error: Unable to read the image file: {image_path}")
-        return False
-
-    # Apply Gaussian blur to reduce noise
-    blurred_image = cv2.GaussianBlur(image, (blur_size, blur_size), 0)
-
-    _, thresholded_image = cv2.threshold(blurred_image, white_value - threshold, white_value, cv2.THRESH_BINARY)
-
-    # Calculate the percentage of white pixels in the thresholded image
-    white_pixels = np.sum(thresholded_image == white_value)
-    white_pixel_percentage = (white_pixels / thresholded_image.size) * 100
-
-    print(f"Page has white pixel percent of {white_pixel_percentage}")
-    return white_pixel_percentage >= white_percent
-
-
-if __name__ == "__main__":
-    parser = argparse.ArgumentParser(description='Detect if an image is considered blank or not.')
-    parser.add_argument('image_path', help='The path to the image file.')
-    parser.add_argument('-t', '--threshold', type=int, default=10, help='Threshold for determining white pixels. The default value is 10.')
-    parser.add_argument('-w', '--white_percent', type=float, default=99, help='The percentage of white pixels for an image to be considered blank. The default value is 99.')
-    args = parser.parse_args()
-
-    blank = is_blank_image(args.image_path, args.threshold, args.white_percent)
-
-    # Return code 1: The image is considered blank.
-    # Return code 0: The image is not considered blank.
-    sys.exit(int(blank))
--- a/scripts/download-security-jar.sh
+++ b/scripts/download-security-jar.sh
@@ -4,7 +4,7 @@ if [ "$DOCKER_ENABLE_SECURITY" = "true" ] && [ "$VERSION_TAG" != "alpha" ]; then
    if [ ! -f app-security.jar ]; then
    	echo "Trying to download from: https://github.com/Stirling-Tools/Stirling-PDF/releases/download/v$VERSION_TAG/Stirling-PDF-with-login.jar"
        curl -L -o app-security.jar https://github.com/Stirling-Tools/Stirling-PDF/releases/download/v$VERSION_TAG/Stirling-PDF-with-login.jar
-       
+
        # If the first download attempt failed, try with the 'v' prefix
        if [ $? -ne 0 ]; then
            echo "Trying to download from: https://github.com/Stirling-Tools/Stirling-PDF/releases/download/$VERSION_TAG/Stirling-PDF-with-login.jar"
@@ -14,6 +14,8 @@ if [ "$DOCKER_ENABLE_SECURITY" = "true" ] && [ "$VERSION_TAG" != "alpha" ]; then
        if [ $? -eq 0 ]; then  # checks if curl was successful
            rm -f app.jar
            ln -s app-security.jar app.jar
+            chown stirlingpdfuser:stirlingpdfgroup app.jar
+            chmod 755 app.jar
        fi
    fi
 fi
--- a/scripts/init-without-ocr.sh
+++ b/scripts/init-without-ocr.sh
@@ -1,6 +1,24 @@
 #!/bin/sh

+# Update the user and group IDs as per environment variables
+if [ ! -z "$PUID" ] && [ "$PUID" != "$(id -u stirlingpdfuser)" ]; then
+    usermod -o -u "$PUID" stirlingpdfuser
+fi
+
+if [ ! -z "$PGID" ] && [ "$PGID" != "$(id -g stirlingpdfgroup)" ]; then
+    groupmod -o -g "$PGID" stirlingpdfgroup
+fi
+umask "$UMASK"
+
+echo "Setting permissions and ownership for necessary directories..."
+chown -R stirlingpdfuser:stirlingpdfgroup /logs /scripts /usr/share/fonts/opentype/noto /usr/share/tessdata /configs /customFiles
+chmod -R 755 /logs /scripts /usr/share/fonts/opentype/noto /usr/share/tessdata /configs /customFiles
+if [[ "$INSTALL_BOOK_AND_ADVANCED_HTML_OPS" == "true" ]]; then
+  apk add --no-cache calibre@testing
+fi
+
+
 /scripts/download-security-jar.sh

 # Run the main command
-exec "$@"
+exec su-exec stirlingpdfuser "$@"
--- a/scripts/init.sh
+++ b/scripts/init.sh
@@ -2,25 +2,57 @@

 # Copy the original tesseract-ocr files to the volume directory without overwriting existing files
 echo "Copying original files without overwriting existing files"
-mkdir -p /usr/share/tesseract-ocr
-cp -rn /usr/share/tesseract-ocr-original/* /usr/share/tesseract-ocr 
+mkdir -p /usr/share/tessdata
+cp -rn /usr/share/tessdata-original/* /usr/share/tessdata

-if [ -d /usr/share/tesseract-ocr/4.00/tessdata ]; then 
-	cp -r /usr/share/tesseract-ocr/4.00/tessdata/* /usr/share/tesseract-ocr/5/tessdata/ || true; 
+if [ -d /usr/share/tesseract-ocr/4.00/tessdata ]; then
+        cp -r /usr/share/tesseract-ocr/4.00/tessdata/* /usr/share/tessdata || true;
 fi

+if [ -d /usr/share/tesseract-ocr/5/tessdata ]; then
+        cp -r /usr/share/tesseract-ocr/5/tessdata/* /usr/share/tessdata || true;
+fi
+
+
+# Update the user and group IDs as per environment variables
+if [ ! -z "$PUID" ] && [ "$PUID" != "$(id -u stirlingpdfuser)" ]; then
+    usermod -o -u "$PUID" stirlingpdfuser
+fi
+
+if [ ! -z "$PGID" ] && [ "$PGID" != "$(id -g stirlingpdfgroup)" ]; then
+    groupmod -o -g "$PGID" stirlingpdfgroup
+fi
+umask "$UMASK"
+
+echo "Setting permissions and ownership for necessary directories..."
+chown -R stirlingpdfuser:stirlingpdfgroup /logs /scripts /usr/share/fonts/opentype/noto /usr/share/tessdata /configs /customFiles
+chmod -R 755 /logs /scripts /usr/share/fonts/opentype/noto /usr/share/tessdata /configs /customFiles
+
+
+
+
 # Check if TESSERACT_LANGS environment variable is set and is not empty
 if [[ -n "$TESSERACT_LANGS" ]]; then
  # Convert comma-separated values to a space-separated list
  LANGS=$(echo $TESSERACT_LANGS | tr ',' ' ')
-
+  pattern='^[a-zA-Z]{2,4}(_[a-zA-Z]{2,4})?$'
  # Install each language pack
  for LANG in $LANGS; do
-    apt-get install -y "tesseract-ocr-$LANG"
+     if [[ $LANG =~ $pattern ]]; then
+      apk add --no-cache "tesseract-ocr-data-$LANG"
+     else
+      echo "Skipping invalid language code"
+     fi
  done
 fi

+if [[ "$INSTALL_BOOK_AND_ADVANCED_HTML_OPS" == "true" ]]; then
+  apk add --no-cache calibre@testing
+fi
+
+
+
 /scripts/download-security-jar.sh

-# Run the main command
-exec "$@"
+# Run the main command and switch to stirling user for rest of run
+exec su-exec stirlingpdfuser "$@"
--- a/scripts/split_photos.py
+++ b/scripts/split_photos.py
@@ -2,7 +2,7 @@ import argparse
 import sys
 import cv2
 import numpy as np
-import os 
+import os

 def find_photo_boundaries(image, background_color, tolerance=30, min_area=10000, min_contour_area=500):
    mask = cv2.inRange(image, background_color - tolerance, background_color + tolerance)
@@ -49,9 +49,9 @@ def auto_rotate(image, angle_threshold=1):
    angles = []
    for rho, theta in lines[:, 0]:
        angles.append((theta * 180) / np.pi - 90)
-    
+
    angle = np.median(angles)
-    
+
    if abs(angle) < angle_threshold:
        return image

@@ -65,16 +65,16 @@ def auto_rotate(image, angle_threshold=1):

 def crop_borders(image, border_color, tolerance=30):
    mask = cv2.inRange(image, border_color - tolerance, border_color + tolerance)
-    
+
    contours, _ = cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
    if len(contours) == 0:
        return image

    largest_contour = max(contours, key=cv2.contourArea)
    x, y, w, h = cv2.boundingRect(largest_contour)
-    
+
    return image[y:y+h, x:x+w]
-    
+
 def split_photos(input_file, output_directory, tolerance=30, min_area=10000, min_contour_area=500, angle_threshold=10, border_size=0):
    image = cv2.imread(input_file)
    background_color = estimate_background_color(image)
@@ -110,7 +110,7 @@ if __name__ == "__main__":
    parser.add_argument("--min_contour_area", type=int, default=500, help="Sets the minimum contour area threshold for a photo (default: 500).")
    parser.add_argument("--angle_threshold", type=int, default=10, help="Sets the minimum absolute angle required for the image to be rotated (default: 10).")
    parser.add_argument("--border_size", type=int, default=0, help="Sets the size of the border added and removed to prevent white borders in the output (default: 0).")
-    
+
    args = parser.parse_args()

    split_photos(args.input_file, args.output_directory, tolerance=args.tolerance, min_area=args.min_area, min_contour_area=args.min_contour_area, angle_threshold=args.angle_threshold, border_size=args.border_size)
--- a/src/main/java/stirling/software/SPDF/LibreOfficeListener.java
+++ b/src/main/java/stirling/software/SPDF/LibreOfficeListener.java
@@ -6,6 +6,8 @@ import java.net.Socket;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;

+import io.github.pixee.security.SystemCommand;
+
 public class LibreOfficeListener {

    private static final long ACTIVITY_TIMEOUT = 20 * 60 * 1000; // 20 minutes
@@ -44,7 +46,7 @@ public class LibreOfficeListener {
        }

        // Start the listener process
-        process = Runtime.getRuntime().exec("unoconv --listener");
+        process = SystemCommand.runCommand(Runtime.getRuntime(), "unoconv --listener");
        lastActivityTime = System.currentTimeMillis();

        // Start a background thread to monitor the activity timeout
--- a/src/main/java/stirling/software/SPDF/SPdfApplication.java
+++ b/src/main/java/stirling/software/SPDF/SPdfApplication.java
@@ -1,48 +1,67 @@
 package stirling.software.SPDF;

+import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Collections;

+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.core.env.Environment;
 import org.springframework.scheduling.annotation.EnableScheduling;

+import io.github.pixee.security.SystemCommand;
+
 import jakarta.annotation.PostConstruct;
 import stirling.software.SPDF.config.ConfigInitializer;
-import stirling.software.SPDF.utils.GeneralUtils;
+import stirling.software.SPDF.model.ApplicationProperties;

@SpringBootApplication
@EnableScheduling
 public class SPdfApplication {

+    private static final Logger logger = LoggerFactory.getLogger(SPdfApplication.class);
+
    @Autowired private Environment env;

+    @Autowired ApplicationProperties applicationProperties;
+
+    private static String serverPortStatic;
+
+    @Value("${server.port:8080}")
+    public void setServerPortStatic(String port) {
+        SPdfApplication.serverPortStatic = port;
+    }
+
    @PostConstruct
    public void init() {
        // Check if the BROWSER_OPEN environment variable is set to true
        String browserOpenEnv = env.getProperty("BROWSER_OPEN");
-        boolean browserOpen = browserOpenEnv != null && browserOpenEnv.equalsIgnoreCase("true");
+        boolean browserOpen = browserOpenEnv != null && "true".equalsIgnoreCase(browserOpenEnv);

        if (browserOpen) {
            try {
-                String url = "http://localhost:" + getPort();
+                String url = "http://localhost:" + getNonStaticPort();

                String os = System.getProperty("os.name").toLowerCase();
                Runtime rt = Runtime.getRuntime();
                if (os.contains("win")) {
                    // For Windows
-                    rt.exec("rundll32 url.dll,FileProtocolHandler " + url);
+                    SystemCommand.runCommand(rt, "rundll32 url.dll,FileProtocolHandler " + url);
                }
            } catch (Exception e) {
-                e.printStackTrace();
+                logger.error("Error opening browser: {}", e.getMessage());
            }
        }
+        logger.info("Running configs {}", applicationProperties.toString());
    }

-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException, InterruptedException {
        SpringApplication app = new SpringApplication(SPdfApplication.class);
        app.addInitializers(new ConfigInitializer());
        if (Files.exists(Paths.get("configs/settings.yml"))) {
@@ -50,7 +69,7 @@ public class SPdfApplication {
                    Collections.singletonMap(
                            "spring.config.additional-location", "file:configs/settings.yml"));
        } else {
-            System.out.println(
+            logger.warn(
                    "External configuration file 'configs/settings.yml' does not exist. Using default configuration and environment configuration instead.");
        }
        app.run(args);
@@ -58,24 +77,30 @@ public class SPdfApplication {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            Thread.currentThread().interrupt();
+            throw new RuntimeException("Thread interrupted while sleeping", e);
        }

-        GeneralUtils.createDir("customFiles/static/");
-        GeneralUtils.createDir("customFiles/templates/");
-
-        System.out.println("Stirling-PDF Started.");
-
-        String url = "http://localhost:" + getPort();
-        System.out.println("Navigate to " + url);
+        try {
+            Files.createDirectories(Path.of("customFiles/static/"));
+            Files.createDirectories(Path.of("customFiles/templates/"));
+        } catch (Exception e) {
+            logger.error("Error creating directories: {}", e.getMessage());
+        }
+        printStartupLogs();
    }

-    public static String getPort() {
-        String port = System.getProperty("local.server.port");
-        if (port == null || port.isEmpty()) {
-            port = "8080";
-        }
-        return port;
+    private static void printStartupLogs() {
+        logger.info("Stirling-PDF Started.");
+        String url = "http://localhost:" + getStaticPort();
+        logger.info("Navigate to {}", url);
+    }
+
+    public static String getStaticPort() {
+        return serverPortStatic;
+    }
+
+    public String getNonStaticPort() {
+        return serverPortStatic;
    }
 }
--- a/src/main/java/stirling/software/SPDF/config/AppConfig.java
+++ b/src/main/java/stirling/software/SPDF/config/AppConfig.java
@@ -77,16 +77,12 @@ public class AppConfig {
        return Files.exists(Paths.get("/.dockerenv"));
    }

-    @Bean(name = "bookFormatsInstalled")
-    public boolean bookFormatsInstalled() {
-        return applicationProperties.getSystem().getCustomApplications().isInstallBookFormats();
-    }
-
-    @Bean(name = "htmlFormatsInstalled")
-    public boolean htmlFormatsInstalled() {
-        return applicationProperties
-                .getSystem()
-                .getCustomApplications()
-                .isInstallAdvancedHtmlToPDF();
+    @Bean(name = "bookAndHtmlFormatsInstalled")
+    public boolean bookAndHtmlFormatsInstalled() {
+        String installOps = System.getProperty("INSTALL_BOOK_AND_ADVANCED_HTML_OPS");
+        if (installOps == null) {
+            installOps = System.getenv("INSTALL_BOOK_AND_ADVANCED_HTML_OPS");
+        }
+        return "true".equalsIgnoreCase(installOps);
    }
 }
--- a/src/main/java/stirling/software/SPDF/config/ConfigInitializer.java
+++ b/src/main/java/stirling/software/SPDF/config/ConfigInitializer.java
@@ -79,12 +79,22 @@ public class ConfigInitializer
                    return parts.length > 0 ? parts[0].trim().replace("#", "").trim() : "";
                };

+        Function<String, Integer> getIndentationLevel =
+                line -> {
+                    int count = 0;
+                    for (char ch : line.toCharArray()) {
+                        if (ch == ' ') count++;
+                        else break;
+                    }
+                    return count;
+                };
+
        Set<String> userKeys = userLines.stream().map(extractKey).collect(Collectors.toSet());

        for (String line : templateLines) {
            String key = extractKey.apply(line);

-            if (line.trim().equalsIgnoreCase("AutomaticallyGenerated:")) {
+            if ("AutomaticallyGenerated:".equalsIgnoreCase(line.trim())) {
                insideAutoGenerated = true;
                mergedLines.add(line);
                continue;
@@ -134,10 +144,77 @@ public class ConfigInitializer
                            .map(extractKey)
                            .anyMatch(templateKey -> templateKey.equalsIgnoreCase(userKey));
            if (!isPresentInTemplate && !isCommented.apply(userLine)) {
-                mergedLines.add(userLine);
+                if (!childOfTemplateEntry(
+                        isCommented,
+                        extractKey,
+                        getIndentationLevel,
+                        userLines,
+                        userLine,
+                        templateLines)) {
+                    // check if userLine is a child of a entry within templateLines or not, if child
+                    // of parent in templateLines then dont add to mergedLines, if anything else
+                    // then add
+                    mergedLines.add(userLine);
+                }
            }
        }

        Files.write(outputPath, mergedLines, StandardCharsets.UTF_8);
    }
+
+    // New method to check if a userLine is a child of an entry in templateLines
+    boolean childOfTemplateEntry(
+            Function<String, Boolean> isCommented,
+            Function<String, String> extractKey,
+            Function<String, Integer> getIndentationLevel,
+            List<String> userLines,
+            String userLine,
+            List<String> templateLines) {
+        String userKey = extractKey.apply(userLine).trim();
+        int userIndentation = getIndentationLevel.apply(userLine);
+
+        // Start by assuming the line is not a child of an entry in templateLines
+        boolean isChild = false;
+
+        // Iterate backwards through userLines from the current line to find any parent
+        for (int i = userLines.indexOf(userLine) - 1; i >= 0; i--) {
+            String potentialParentLine = userLines.get(i);
+            int parentIndentation = getIndentationLevel.apply(potentialParentLine);
+
+            // Check if we've reached a potential parent based on indentation
+            if (parentIndentation < userIndentation) {
+                String parentKey = extractKey.apply(potentialParentLine).trim();
+
+                // Now, check if this potential parent or any of its parents exist in templateLines
+                boolean parentExistsInTemplate =
+                        templateLines.stream()
+                                .filter(line -> !isCommented.apply(line)) // Skip commented lines
+                                .anyMatch(
+                                        templateLine -> {
+                                            String templateKey =
+                                                    extractKey.apply(templateLine).trim();
+                                            return parentKey.equalsIgnoreCase(templateKey);
+                                        });
+
+                if (!parentExistsInTemplate) {
+                    // If the parent does not exist in template, check the next level parent
+                    userIndentation =
+                            parentIndentation; // Update userIndentation to the parent's indentation
+                    // for next iteration
+                    if (parentIndentation == 0) {
+                        // If we've reached the top-level parent and it's not in template, the
+                        // original line is considered not a child
+                        isChild = false;
+                        break;
+                    }
+                } else {
+                    // If any parent exists in template, the original line is considered a child
+                    isChild = true;
+                    break;
+                }
+            }
+        }
+
+        return isChild; // Return true if the line is not a child of any entry in templateLines
+    }
 }
--- a/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
+++ b/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
@@ -16,7 +16,7 @@ import org.springframework.stereotype.Service;
 import stirling.software.SPDF.model.ApplicationProperties;

@Service
-@DependsOn({"bookFormatsInstalled"})
+@DependsOn({"bookAndHtmlFormatsInstalled"})
 public class EndpointConfiguration {
    private static final Logger logger = LoggerFactory.getLogger(EndpointConfiguration.class);
    private Map<String, Boolean> endpointStatuses = new ConcurrentHashMap<>();
@@ -24,14 +24,14 @@ public class EndpointConfiguration {

    private final ApplicationProperties applicationProperties;

-    private boolean bookFormatsInstalled;
+    private boolean bookAndHtmlFormatsInstalled;

    @Autowired
    public EndpointConfiguration(
            ApplicationProperties applicationProperties,
-            @Qualifier("bookFormatsInstalled") boolean bookFormatsInstalled) {
+            @Qualifier("bookAndHtmlFormatsInstalled") boolean bookAndHtmlFormatsInstalled) {
        this.applicationProperties = applicationProperties;
-        this.bookFormatsInstalled = bookFormatsInstalled;
+        this.bookAndHtmlFormatsInstalled = bookAndHtmlFormatsInstalled;
        init();
        processEnvironmentConfigs();
    }
@@ -140,7 +140,6 @@ public class EndpointConfiguration {
        // CLI
        addEndpointToGroup("CLI", "compress-pdf");
        addEndpointToGroup("CLI", "extract-image-scans");
-        addEndpointToGroup("CLI", "remove-blanks");
        addEndpointToGroup("CLI", "repair");
        addEndpointToGroup("CLI", "pdf-to-pdfa");
        addEndpointToGroup("CLI", "file-to-pdf");
@@ -218,6 +217,7 @@ public class EndpointConfiguration {
        addEndpointToGroup("Java", "split-by-size-or-count");
        addEndpointToGroup("Java", "overlay-pdf");
        addEndpointToGroup("Java", "split-pdf-by-sections");
+        addEndpointToGroup("Java", "remove-blanks");

        // Javascript
        addEndpointToGroup("Javascript", "pdf-organizer");
@@ -229,7 +229,7 @@ public class EndpointConfiguration {
    private void processEnvironmentConfigs() {
        List<String> endpointsToRemove = applicationProperties.getEndpoints().getToRemove();
        List<String> groupsToRemove = applicationProperties.getEndpoints().getGroupsToRemove();
-        if (!bookFormatsInstalled) {
+        if (!bookAndHtmlFormatsInstalled) {
            groupsToRemove.add("Calibre");
        }
        if (endpointsToRemove != null) {
--- a/src/main/java/stirling/software/SPDF/config/PostStartupProcesses.java
+++ b/src/main/java/stirling/software/SPDF/config/PostStartupProcesses.java
@@ -1,98 +0,0 @@
-package stirling.software.SPDF.config;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Qualifier;
-import org.springframework.stereotype.Component;
-
-import jakarta.annotation.PostConstruct;
-import stirling.software.SPDF.model.ApplicationProperties;
-import stirling.software.SPDF.utils.ProcessExecutor;
-import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
-
-@Component
-public class PostStartupProcesses {
-
-    @Autowired ApplicationProperties applicationProperties;
-
-    @Autowired
-    @Qualifier("RunningInDocker")
-    private boolean runningInDocker;
-
-    @Autowired
-    @Qualifier("bookFormatsInstalled")
-    private boolean bookFormatsInstalled;
-
-    @Autowired
-    @Qualifier("htmlFormatsInstalled")
-    private boolean htmlFormatsInstalled;
-
-    private static final Logger logger = LoggerFactory.getLogger(PostStartupProcesses.class);
-
-    @PostConstruct
-    public void runInstallCommandBasedOnEnvironment() throws IOException, InterruptedException {
-        List<List<String>> commands = new ArrayList<>();
-        // Checking for DOCKER_INSTALL_BOOK_FORMATS environment variable
-        if (bookFormatsInstalled) {
-            List<String> tmpList = new ArrayList<>();
-            // Set up the timezone configuration commands
-            tmpList.addAll(
-                    Arrays.asList(
-                            "sh",
-                            "-c",
-                            "echo 'tzdata tzdata/Areas select Europe' | debconf-set-selections; "
-                                    + "echo 'tzdata tzdata/Zones/Europe select Berlin' | debconf-set-selections"));
-            commands.add(tmpList);
-
-            // Install calibre with DEBIAN_FRONTEND set to noninteractive
-            tmpList = new ArrayList<>();
-            tmpList.addAll(
-                    Arrays.asList(
-                            "sh",
-                            "-c",
-                            "DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends calibre"));
-            commands.add(tmpList);
-        }
-
-        // Checking for DOCKER_INSTALL_HTML_FORMATS environment variable
-        if (htmlFormatsInstalled) {
-            List<String> tmpList = new ArrayList<>();
-            // Add -y flag for automatic yes to prompts and --no-install-recommends to reduce size
-            tmpList.addAll(
-                    Arrays.asList(
-                            "apt-get", "install", "wkhtmltopdf", "-y", "--no-install-recommends"));
-            commands.add(tmpList);
-        }
-
-        if (!commands.isEmpty()) {
-            // Run the command
-            if (runningInDocker) {
-                List<String> tmpList = new ArrayList<>();
-                tmpList.addAll(Arrays.asList("apt-get", "update"));
-                commands.add(0, tmpList);
-
-                for (List<String> list : commands) {
-                    ProcessExecutorResult returnCode =
-                            ProcessExecutor.getInstance(ProcessExecutor.Processes.INSTALL_APP, true)
-                                    .runCommandWithOutputHandling(list);
-                    logger.info("RC for app installs {}", returnCode.getRc());
-                }
-            } else {
-
-                logger.info(
-                        "Not running inside Docker so skipping automated install process with command.");
-            }
-
-        } else {
-            if (runningInDocker) {
-                logger.info("No custom apps to install.");
-            }
-        }
-    }
-}
--- a/src/main/java/stirling/software/SPDF/config/security/CustomAuthenticationFailureHandler.java
+++ b/src/main/java/stirling/software/SPDF/config/security/CustomAuthenticationFailureHandler.java
@@ -1,6 +1,7 @@
 package stirling.software.SPDF.config.security;

 import java.io.IOException;
+import java.util.Optional;

 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.authentication.BadCredentialsException;
@@ -12,15 +13,19 @@ import org.springframework.stereotype.Component;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import stirling.software.SPDF.model.User;

@Component
 public class CustomAuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler {

    @Autowired private final LoginAttemptService loginAttemptService;

-    @Autowired
-    public CustomAuthenticationFailureHandler(LoginAttemptService loginAttemptService) {
+    @Autowired private final UserService userService; // Inject the UserService
+
+    public CustomAuthenticationFailureHandler(
+            LoginAttemptService loginAttemptService, UserService userService) {
        this.loginAttemptService = loginAttemptService;
+        this.userService = userService;
    }

    @Override
@@ -33,17 +38,28 @@ public class CustomAuthenticationFailureHandler extends SimpleUrlAuthenticationF
        logger.error("Failed login attempt from IP: " + ip);

        String username = request.getParameter("username");
-        if (loginAttemptService.loginAttemptCheck(username)) {
-            setDefaultFailureUrl("/login?error=locked");
-
-        } else {
-            if (exception.getClass().isAssignableFrom(BadCredentialsException.class)) {
-                setDefaultFailureUrl("/login?error=badcredentials");
-            } else if (exception.getClass().isAssignableFrom(LockedException.class)) {
+        if (!isDemoUser(username)) {
+            if (loginAttemptService.loginAttemptCheck(username)) {
                setDefaultFailureUrl("/login?error=locked");
+
+            } else {
+                if (exception.getClass().isAssignableFrom(LockedException.class)) {
+                    setDefaultFailureUrl("/login?error=locked");
+                }
            }
        }
+        if (exception.getClass().isAssignableFrom(BadCredentialsException.class)) {
+            setDefaultFailureUrl("/login?error=badcredentials");
+        }

        super.onAuthenticationFailure(request, response, exception);
    }
+
+    private boolean isDemoUser(String username) {
+        Optional<User> user = userService.findByUsername(username);
+        return user.isPresent()
+                && user.get().getAuthorities().stream()
+                        .anyMatch(authority -> "ROLE_DEMO_USER".equals(authority.getAuthority()));
+
+    }
 }
--- a/src/main/java/stirling/software/SPDF/config/security/SecurityConfiguration.java
+++ b/src/main/java/stirling/software/SPDF/config/security/SecurityConfiguration.java
@@ -9,6 +9,9 @@ import org.springframework.security.authentication.dao.DaoAuthenticationProvider
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.core.session.SessionRegistry;
+import org.springframework.security.core.session.SessionRegistryImpl;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
@@ -18,6 +21,7 @@ import org.springframework.security.web.authentication.rememberme.PersistentToke
 import org.springframework.security.web.savedrequest.NullRequestCache;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;

+import jakarta.servlet.http.HttpSession;
 import stirling.software.SPDF.repository.JPATokenRepositoryImpl;

@Configuration
@@ -44,6 +48,11 @@ public class SecurityConfiguration {

    @Autowired private FirstLoginFilter firstLoginFilter;

+    @Bean
+    public SessionRegistry sessionRegistry() {
+        return new SessionRegistryImpl();
+    }
+
    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http.addFilterBefore(userAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
@@ -53,6 +62,14 @@ public class SecurityConfiguration {
            http.csrf(csrf -> csrf.disable());
            http.addFilterBefore(rateLimitingFilter(), UsernamePasswordAuthenticationFilter.class);
            http.addFilterAfter(firstLoginFilter, UsernamePasswordAuthenticationFilter.class);
+            http.sessionManagement(
+                    sessionManagement ->
+                            sessionManagement
+                                    .sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED)
+                                    .maximumSessions(3)
+                                    .maxSessionsPreventsLogin(true)
+                                    .sessionRegistry(sessionRegistry())
+                                    .expiredUrl("/login?logout=true"));
            http.formLogin(
                            formLogin ->
                                    formLogin
@@ -62,7 +79,7 @@ public class SecurityConfiguration {
                                            .defaultSuccessUrl("/")
                                            .failureHandler(
                                                    new CustomAuthenticationFailureHandler(
-                                                            loginAttemptService))
+                                                            loginAttemptService, userService))
                                            .permitAll())
                    .requestCache(requestCache -> requestCache.requestCache(new NullRequestCache()))
                    .logout(
@@ -71,7 +88,19 @@ public class SecurityConfiguration {
                                                    new AntPathRequestMatcher("/logout"))
                                            .logoutSuccessUrl("/login?logout=true")
                                            .invalidateHttpSession(true) // Invalidate session
-                                            .deleteCookies("JSESSIONID", "remember-me"))
+                                            .deleteCookies("JSESSIONID", "remember-me")
+                                            .addLogoutHandler(
+                                                    (request, response, authentication) -> {
+                                                        HttpSession session =
+                                                                request.getSession(
+                                                                        false); 
+                                                        if (session != null) {
+                                                            String sessionId = session.getId();
+                                                            sessionRegistry()
+                                                                    .removeSessionInformation(
+                                                                            sessionId);
+                                                        }
+                                                    }))
                    .rememberMe(
                            rememberMeConfigurer ->
                                    rememberMeConfigurer // Use the configurator directly
--- a/src/main/java/stirling/software/SPDF/config/security/UserAuthenticationFilter.java
+++ b/src/main/java/stirling/software/SPDF/config/security/UserAuthenticationFilter.java
@@ -115,4 +115,4 @@ public class UserAuthenticationFilter extends OncePerRequestFilter {

        return false;
    }
-}
+}
--- a/src/main/java/stirling/software/SPDF/controller/api/MergeController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/MergeController.java
@@ -38,7 +38,7 @@ public class MergeController {

    private static final Logger logger = LoggerFactory.getLogger(MergeController.class);

-    private PDDocument mergeDocuments(List<PDDocument> documents) throws IOException {
+    public PDDocument mergeDocuments(List<PDDocument> documents) throws IOException {
        PDDocument mergedDoc = new PDDocument();
        for (PDDocument doc : documents) {
            for (PDPage page : doc.getPages()) {
--- a/src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java
@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -136,6 +137,7 @@ public class MultiPageLayoutController {
        byte[] result = baos.toByteArray();
        return WebResponseUtils.bytesToWebResponse(
                result,
-                file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_layoutChanged.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_layoutChanged.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/PdfOverlayController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/PdfOverlayController.java
@@ -3,6 +3,7 @@ package stirling.software.SPDF.controller.api;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -19,6 +20,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -75,7 +77,8 @@ public class PdfOverlayController {
                overlay.overlay(overlayGuide).save(outputStream);
                byte[] data = outputStream.toByteArray();
                String outputFilename =
-                        baseFile.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                        Filenames.toSimpleFileName(baseFile.getOriginalFilename())
+                                        .replaceFirst("[.][^.]+$", "")
                                + "_overlayed.pdf"; // Remove file extension and append .pdf

                return WebResponseUtils.bytesToWebResponse(
@@ -135,7 +138,7 @@ public class PdfOverlayController {
            try (PDDocument overlayPdf = Loader.loadPDF(overlayFiles[overlayFileIndex])) {
                PDDocument singlePageDocument = new PDDocument();
                singlePageDocument.addPage(overlayPdf.getPage(pageCountInCurrentOverlay));
-                File tempFile = File.createTempFile("overlay-page-", ".pdf");
+                File tempFile = Files.createTempFile("overlay-page-", ".pdf").toFile();
                singlePageDocument.save(tempFile);
                singlePageDocument.close();

--- a/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
@@ -2,6 +2,7 @@ package stirling.software.SPDF.controller.api;

 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;

 import org.apache.pdfbox.Loader;
@@ -16,6 +17,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -49,7 +51,9 @@ public class RearrangePagesPDFController {
        String[] pageOrderArr = pagesToDelete.split(",");

        List<Integer> pagesToRemove =
-                GeneralUtils.parsePageList(pageOrderArr, document.getNumberOfPages());
+                GeneralUtils.parsePageList(pageOrderArr, document.getNumberOfPages(), true);
+
+        Collections.sort(pagesToRemove);

        for (int i = pagesToRemove.size() - 1; i >= 0; i--) {
            int pageIndex = pagesToRemove.get(i);
@@ -57,7 +61,9 @@ public class RearrangePagesPDFController {
        }
        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_removed_pages.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_removed_pages.pdf");
    }

    private List<Integer> removeFirst(int totalPages) {
@@ -189,7 +195,7 @@ public class RearrangePagesPDFController {
            if (sortType != null && sortType.length() > 0) {
                newPageOrder = processSortTypes(sortType, totalPages);
            } else {
-                newPageOrder = GeneralUtils.parsePageList(pageOrderArr, totalPages);
+                newPageOrder = GeneralUtils.parsePageList(pageOrderArr, totalPages, true);
            }
            logger.info("newPageOrder = " + newPageOrder);
            logger.info("totalPages = " + totalPages);
@@ -211,7 +217,8 @@ public class RearrangePagesPDFController {

            return WebResponseUtils.pdfDocToWebResponse(
                    document,
-                    pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                            + "_rearranged.pdf");
        } catch (IOException e) {
            logger.error("Failed rearranging documents", e);
--- a/src/main/java/stirling/software/SPDF/controller/api/RotationController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/RotationController.java
@@ -15,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -49,6 +50,8 @@ public class RotationController {

        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_rotated.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_rotated.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java
@@ -22,6 +22,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -112,6 +113,7 @@ public class ScalePagesController {

        return WebResponseUtils.bytesToWebResponse(
                baos.toByteArray(),
-                file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_scaled.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_scaled.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java
@@ -23,6 +23,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -49,9 +50,13 @@ public class SplitPDFController {

        PDDocument document = Loader.loadPDF(file.getBytes());

-        List<Integer> pageNumbers = request.getPageNumbersList(document);
-        if (!pageNumbers.contains(document.getNumberOfPages() - 1))
+        List<Integer> pageNumbers = request.getPageNumbersList(document, true);
+        if (!pageNumbers.contains(document.getNumberOfPages() - 1)) {
+            // Create a mutable ArrayList so we can add to it
+            pageNumbers = new ArrayList<>(pageNumbers);
            pageNumbers.add(document.getNumberOfPages() - 1);
+        }
+
        logger.info(
                "Splitting PDF into pages: {}",
                pageNumbers.stream().map(String::valueOf).collect(Collectors.joining(",")));
@@ -83,7 +88,9 @@ public class SplitPDFController {

        Path zipFile = Files.createTempFile("split_documents", ".zip");

-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
        try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
            // loop through the split documents and write them to the zip file
            for (int i = 0; i < splitDocumentsBoas.size(); i++) {
--- a/src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java
@@ -26,6 +26,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -52,8 +53,21 @@ public class SplitPdfBySectionsController {
        // Process the PDF based on split parameters
        int horiz = request.getHorizontalDivisions() + 1;
        int verti = request.getVerticalDivisions() + 1;
-
+        boolean merge = request.isMerge();
        List<PDDocument> splitDocuments = splitPdfPages(sourceDocument, verti, horiz);
+
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
+        if (merge) {
+            MergeController mergeController = new MergeController();
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            mergeController.mergeDocuments(splitDocuments).save(baos);
+            return WebResponseUtils.bytesToWebResponse(
+                    baos.toByteArray(),
+                    filename + "_split.pdf",
+                    MediaType.APPLICATION_OCTET_STREAM);
+        }
        for (PDDocument doc : splitDocuments) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            doc.save(baos);
@@ -64,7 +78,6 @@ public class SplitPdfBySectionsController {
        sourceDocument.close();

        Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
        byte[] data;

        try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
@@ -121,8 +134,8 @@ public class SplitPdfBySectionsController {
                                    subDoc, subPage, AppendMode.APPEND, true, true)) {
                        // Set clipping area and position
                        float translateX = -subPageWidth * i;
-                       
-                        //float translateY = height - subPageHeight * (verticalDivisions - j);
+
+                        // float translateY = height - subPageHeight * (verticalDivisions - j);
                        float translateY = -subPageHeight * (verticalDivisions - 1 - j);

                        contentStream.saveGraphicsState();
--- a/src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySizeController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySizeController.java
@@ -20,6 +20,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -120,7 +121,9 @@ public class SplitPdfBySizeController {
        sourceDocument.close();

        Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
        byte[] data;

        try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
--- a/src/main/java/stirling/software/SPDF/controller/api/UserController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/UserController.java
@@ -10,6 +10,9 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.Authentication;
+import org.springframework.security.core.session.SessionInformation;
+import org.springframework.security.core.session.SessionRegistry;
+import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -28,7 +31,6 @@ import jakarta.servlet.http.HttpServletResponse;
 import stirling.software.SPDF.config.security.UserService;
 import stirling.software.SPDF.model.Role;
 import stirling.software.SPDF.model.User;
-import stirling.software.SPDF.model.api.user.UpdateUserDetails;
 import stirling.software.SPDF.model.api.user.UsernameAndPass;

@Controller
@@ -50,53 +52,6 @@ public class UserController {
        return "redirect:/login?registered=true";
    }

-    @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
-    @PostMapping("/change-username-and-password")
-    public RedirectView changeUsernameAndPassword(
-            Principal principal,
-            @ModelAttribute UpdateUserDetails requestModel,
-            HttpServletRequest request,
-            HttpServletResponse response,
-            RedirectAttributes redirectAttributes) {
-
-        String currentPassword = requestModel.getPassword();
-        String newPassword = requestModel.getNewPassword();
-        String newUsername = requestModel.getNewUsername();
-
-        if (principal == null) {
-            return new RedirectView("/change-creds?messageType=notAuthenticated");
-        }
-
-        Optional<User> userOpt = userService.findByUsername(principal.getName());
-
-        if (userOpt == null || userOpt.isEmpty()) {
-            return new RedirectView("/change-creds?messageType=userNotFound");
-        }
-
-        User user = userOpt.get();
-
-        if (!userService.isPasswordCorrect(user, currentPassword)) {
-            return new RedirectView("/change-creds?messageType=incorrectPassword");
-        }
-
-        if (!user.getUsername().equals(newUsername) && userService.usernameExists(newUsername)) {
-            return new RedirectView("/change-creds?messageType=usernameExists");
-        }
-
-        userService.changePassword(user, newPassword);
-        if (newUsername != null
-                && newUsername.length() > 0
-                && !user.getUsername().equals(newUsername)) {
-            userService.changeUsername(user, newUsername);
-        }
-        userService.changeFirstUse(user, false);
-
-        // Logout using Spring's utility
-        new SecurityContextLogoutHandler().logout(request, response, null);
-
-        return new RedirectView("/login?messageType=credsUpdated");
-    }
-
    @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
    @PostMapping("/change-username")
    public RedirectView changeUsername(
@@ -136,6 +91,39 @@ public class UserController {
        return new RedirectView("/login?messageType=credsUpdated");
    }

+    @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
+    @PostMapping("/change-password-on-login")
+    public RedirectView changePasswordOnLogin(
+            Principal principal,
+            @RequestParam String currentPassword,
+            @RequestParam String newPassword,
+            HttpServletRequest request,
+            HttpServletResponse response,
+            RedirectAttributes redirectAttributes) {
+        if (principal == null) {
+            return new RedirectView("/change-creds?messageType=notAuthenticated");
+        }
+
+        Optional<User> userOpt = userService.findByUsername(principal.getName());
+
+        if (userOpt == null || userOpt.isEmpty()) {
+            return new RedirectView("/change-creds?messageType=userNotFound");
+        }
+
+        User user = userOpt.get();
+
+        if (!userService.isPasswordCorrect(user, currentPassword)) {
+            return new RedirectView("/change-creds?messageType=incorrectPassword");
+        }
+
+        userService.changePassword(user, newPassword);
+        userService.changeFirstUse(user, false);
+        // Logout using Spring's utility
+        new SecurityContextLogoutHandler().logout(request, response, null);
+
+        return new RedirectView("/login?messageType=credsUpdated");
+    }
+
    @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
    @PostMapping("/change-password")
    public RedirectView changePassword(
@@ -219,18 +207,38 @@ public class UserController {

    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PostMapping("/admin/deleteUser/{username}")
-    public String deleteUser(@PathVariable String username, Authentication authentication) {
+    public RedirectView deleteUser(@PathVariable String username, Authentication authentication) {
+
+        if (!userService.usernameExists(username)) {
+            return new RedirectView("/addUsers?messageType=deleteUsernameExists");
+        }

        // Get the currently authenticated username
        String currentUsername = authentication.getName();

        // Check if the provided username matches the current session's username
        if (currentUsername.equals(username)) {
-            throw new IllegalArgumentException("Cannot delete currently logined in user.");
+            return new RedirectView("/addUsers?messageType=deleteCurrentUser");
        }
-
+        invalidateUserSessions(username);
        userService.deleteUser(username);
-        return "redirect:/addUsers";
+        return new RedirectView("/addUsers");
+    }
+
+    @Autowired private SessionRegistry sessionRegistry;
+
+    private void invalidateUserSessions(String username) {
+        for (Object principal : sessionRegistry.getAllPrincipals()) {
+            if (principal instanceof UserDetails) {
+                UserDetails userDetails = (UserDetails) principal;
+                if (userDetails.getUsername().equals(username)) {
+                    for (SessionInformation session :
+                            sessionRegistry.getAllSessions(principal, false)) {
+                        session.expireNow();
+                    }
+                }
+            }
+        }
    }

    @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertBookToPDFController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertBookToPDFController.java
@@ -9,6 +9,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -22,28 +23,28 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class ConvertBookToPDFController {

    @Autowired
-    @Qualifier("bookFormatsInstalled")
-    private boolean bookFormatsInstalled;
+    @Qualifier("bookAndHtmlFormatsInstalled")
+    private boolean bookAndHtmlFormatsInstalled;

    @PostMapping(consumes = "multipart/form-data", value = "/book/pdf")
    @Operation(
            summary =
                    "Convert a BOOK/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx) to PDF",
            description =
-                    "(Requires bookFormatsInstalled flag and Calibre installed) This endpoint takes an BOOK/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx)  input and converts it to PDF format.")
+                    "(Requires bookAndHtmlFormatsInstalled flag and Calibre installed) This endpoint takes an BOOK/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx)  input and converts it to PDF format.")
    public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute GeneralFile request) throws Exception {
        MultipartFile fileInput = request.getFileInput();

-        if (!bookFormatsInstalled) {
+        if (!bookAndHtmlFormatsInstalled) {
            throw new IllegalArgumentException(
-                    "bookFormatsInstalled flag is False, this functionality is not avaiable");
+                    "bookAndHtmlFormatsInstalled flag is False, this functionality is not avaiable");
        }

        if (fileInput == null) {
            throw new IllegalArgumentException("Please provide a file for conversion.");
        }

-        String originalFilename = fileInput.getOriginalFilename();
+        String originalFilename = Filenames.toSimpleFileName(fileInput.getOriginalFilename());

        if (originalFilename != null) {
            String originalFilenameLower = originalFilename.toLowerCase();
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertHtmlToPDF.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertHtmlToPDF.java
@@ -9,10 +9,11 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

-import stirling.software.SPDF.model.api.GeneralFile;
+import stirling.software.SPDF.model.api.converters.HTMLToPdfRequest;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;

@@ -22,15 +23,16 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class ConvertHtmlToPDF {

    @Autowired
-    @Qualifier("htmlFormatsInstalled")
-    private boolean htmlFormatsInstalled;
+    @Qualifier("bookAndHtmlFormatsInstalled")
+    private boolean bookAndHtmlFormatsInstalled;

    @PostMapping(consumes = "multipart/form-data", value = "/html/pdf")
    @Operation(
            summary = "Convert an HTML or ZIP (containing HTML and CSS) to PDF",
            description =
                    "This endpoint takes an HTML or ZIP file input and converts it to a PDF format.")
-    public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute GeneralFile request) throws Exception {
+    public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute HTMLToPdfRequest request)
+            throws Exception {
        MultipartFile fileInput = request.getFileInput();

        if (fileInput == null) {
@@ -38,14 +40,17 @@ public class ConvertHtmlToPDF {
                    "Please provide an HTML or ZIP file for conversion.");
        }

-        String originalFilename = fileInput.getOriginalFilename();
+        String originalFilename = Filenames.toSimpleFileName(fileInput.getOriginalFilename());
        if (originalFilename == null
                || (!originalFilename.endsWith(".html") && !originalFilename.endsWith(".zip"))) {
            throw new IllegalArgumentException("File must be either .html or .zip format.");
        }
        byte[] pdfBytes =
                FileToPdf.convertHtmlToPdf(
-                        fileInput.getBytes(), originalFilename, htmlFormatsInstalled);
+                        request,
+                        fileInput.getBytes(),
+                        originalFilename,
+                        bookAndHtmlFormatsInstalled);

        String outputFilename =
                originalFilename.replaceFirst("[.][^.]+$", "")
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java
@@ -18,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -54,9 +55,11 @@ public class ConvertImgPDFController {
            colorTypeResult = ImageType.BINARY;
        }
        // returns bytes for image
-        boolean singleImage = singleOrMultiple.equals("single");
+        boolean singleImage = "single".equals(singleOrMultiple);
        byte[] result = null;
-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
        try {
            result =
                    PdfUtils.convertFromPdf(
@@ -96,7 +99,7 @@ public class ConvertImgPDFController {
    @Operation(
            summary = "Convert images to a PDF file",
            description =
-                    "This endpoint converts one or more images to a PDF file. Users can specify whether to stretch the images to fit the PDF page, and whether to automatically rotate the images. Input:Image Output:PDF Type:SISO?")
+                    "This endpoint converts one or more images to a PDF file. Users can specify whether to stretch the images to fit the PDF page, and whether to automatically rotate the images. Input:Image Output:PDF Type:MISO")
    public ResponseEntity<byte[]> convertToPdf(@ModelAttribute ConvertToPdfRequest request)
            throws IOException {
        MultipartFile[] file = request.getFileInput();
@@ -113,6 +116,6 @@ public class ConvertImgPDFController {

    private String getMediaType(String imageFormat) {
        String mimeType = URLConnection.guessContentTypeFromName("." + imageFormat);
-        return mimeType.equals("null") ? "application/octet-stream" : mimeType;
+        return "null".equals(mimeType) ? "application/octet-stream" : mimeType;
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertMarkdownToPdf.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertMarkdownToPdf.java
@@ -19,6 +19,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -32,14 +33,14 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class ConvertMarkdownToPdf {

    @Autowired
-    @Qualifier("htmlFormatsInstalled")
-    private boolean htmlFormatsInstalled;
+    @Qualifier("bookAndHtmlFormatsInstalled")
+    private boolean bookAndHtmlFormatsInstalled;

    @PostMapping(consumes = "multipart/form-data", value = "/markdown/pdf")
    @Operation(
            summary = "Convert a Markdown file to PDF",
            description =
-                    "This endpoint takes a Markdown file input, converts it to HTML, and then to PDF format.")
+                    "This endpoint takes a Markdown file input, converts it to HTML, and then to PDF format. Input:MARKDOWN Output:PDF Type:SISO")
    public ResponseEntity<byte[]> markdownToPdf(@ModelAttribute GeneralFile request)
            throws Exception {
        MultipartFile fileInput = request.getFileInput();
@@ -48,7 +49,7 @@ public class ConvertMarkdownToPdf {
            throw new IllegalArgumentException("Please provide a Markdown file for conversion.");
        }

-        String originalFilename = fileInput.getOriginalFilename();
+        String originalFilename = Filenames.toSimpleFileName(fileInput.getOriginalFilename());
        if (originalFilename == null || !originalFilename.endsWith(".md")) {
            throw new IllegalArgumentException("File must be in .md format.");
        }
@@ -68,7 +69,10 @@ public class ConvertMarkdownToPdf {

        byte[] pdfBytes =
                FileToPdf.convertHtmlToPdf(
-                        htmlContent.getBytes(), "converted.html", htmlFormatsInstalled);
+                        null,
+                        htmlContent.getBytes(),
+                        "converted.html",
+                        bookAndHtmlFormatsInstalled);

        String outputFilename =
                originalFilename.replaceFirst("[.][^.]+$", "")
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
@@ -16,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -31,7 +32,7 @@ public class ConvertOfficeController {

    public byte[] convertToPdf(MultipartFile inputFile) throws IOException, InterruptedException {
        // Check for valid file extension
-        String originalFilename = inputFile.getOriginalFilename();
+        String originalFilename = Filenames.toSimpleFileName(inputFile.getOriginalFilename());
        if (originalFilename == null
                || !isValidFileExtension(FilenameUtils.getExtension(originalFilename))) {
            throw new IllegalArgumentException("Invalid file extension");
@@ -89,7 +90,8 @@ public class ConvertOfficeController {
        byte[] pdfByteArray = convertToPdf(inputFile);
        return WebResponseUtils.bytesToWebResponse(
                pdfByteArray,
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                        + "_convertedToPDF.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToBookController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToBookController.java
@@ -15,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -29,22 +30,22 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class ConvertPDFToBookController {

    @Autowired
-    @Qualifier("bookFormatsInstalled")
-    private boolean bookFormatsInstalled;
+    @Qualifier("bookAndHtmlFormatsInstalled")
+    private boolean bookAndHtmlFormatsInstalled;

    @PostMapping(consumes = "multipart/form-data", value = "/pdf/book")
    @Operation(
            summary =
                    "Convert a PDF to a Book/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx .. (others to include by chatgpt) to PDF",
            description =
-                    "(Requires bookFormatsInstalled flag and Calibre installed) This endpoint Convert a PDF to a Book/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx .. (others to include by chatgpt) to PDF")
+                    "(Requires bookAndHtmlFormatsInstalled flag and Calibre installed) This endpoint Convert a PDF to a Book/comic (*.epub | *.mobi | *.azw3 | *.fb2 | *.txt | *.docx .. (others to include by chatgpt) to PDF")
    public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute PdfToBookRequest request)
            throws Exception {
        MultipartFile fileInput = request.getFileInput();

-        if (!bookFormatsInstalled) {
+        if (!bookAndHtmlFormatsInstalled) {
            throw new IllegalArgumentException(
-                    "bookFormatsInstalled flag is False, this functionality is not avaiable");
+                    "bookAndHtmlFormatsInstalled flag is False, this functionality is not avaiable");
        }

        if (fileInput == null) {
@@ -92,7 +93,8 @@ public class ConvertPDFToBookController {
        }

        String outputFilename =
-                fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                        + "."
                        + outputFormat; // Remove file extension and append .pdf

--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToOffice.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToOffice.java
@@ -2,6 +2,10 @@ package stirling.software.SPDF.controller.api.converters;

 import java.io.IOException;

+import org.apache.pdfbox.Loader;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.text.PDFTextStripper;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -9,6 +13,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -17,6 +22,7 @@ import stirling.software.SPDF.model.api.converters.PdfToPresentationRequest;
 import stirling.software.SPDF.model.api.converters.PdfToTextOrRTFRequest;
 import stirling.software.SPDF.model.api.converters.PdfToWordRequest;
 import stirling.software.SPDF.utils.PDFToFile;
+import stirling.software.SPDF.utils.WebResponseUtils;

@RestController
@RequestMapping("/api/v1/convert")
@@ -59,9 +65,21 @@ public class ConvertPDFToOffice {
            throws IOException, InterruptedException {
        MultipartFile inputFile = request.getFileInput();
        String outputFormat = request.getOutputFormat();
-
-        PDFToFile pdfToFile = new PDFToFile();
-        return pdfToFile.processPdfToOfficeFormat(inputFile, outputFormat, "writer_pdf_import");
+        if ("txt".equals(request.getOutputFormat())) {
+            try (PDDocument document = Loader.loadPDF(inputFile.getBytes())) {
+                PDFTextStripper stripper = new PDFTextStripper();
+                String text = stripper.getText(document);
+                return WebResponseUtils.bytesToWebResponse(
+                        text.getBytes(),
+                        Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                        .replaceFirst("[.][^.]+$", "")
+                                + ".txt",
+                        MediaType.TEXT_PLAIN);
+            }
+        } else {
+            PDFToFile pdfToFile = new PDFToFile();
+            return pdfToFile.processPdfToOfficeFormat(inputFile, outputFormat, "writer_pdf_import");
+        }
    }

    @PostMapping(consumes = "multipart/form-data", value = "/pdf/word")
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToPDFA.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToPDFA.java
@@ -12,6 +12,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -63,7 +64,9 @@ public class ConvertPDFToPDFA {

        // Return the optimized PDF as a response
        String outputFilename =
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_PDFA.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_PDFA.pdf";
        return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertWebsiteToPDF.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertWebsiteToPDF.java
@@ -29,8 +29,8 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class ConvertWebsiteToPDF {

    @Autowired
-    @Qualifier("htmlFormatsInstalled")
-    private boolean htmlFormatsInstalled;
+    @Qualifier("bookAndHtmlFormatsInstalled")
+    private boolean bookAndHtmlFormatsInstalled;

    @PostMapping(consumes = "multipart/form-data", value = "/url/pdf")
    @Operation(
@@ -53,7 +53,7 @@ public class ConvertWebsiteToPDF {

            // Prepare the OCRmyPDF command
            List<String> command = new ArrayList<>();
-            if (!htmlFormatsInstalled) {
+            if (!bookAndHtmlFormatsInstalled) {
                command.add("weasyprint");
            } else {
                command.add("wkhtmltopdf");
--- a/src/main/java/stirling/software/SPDF/controller/api/filters/FilterController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/filters/FilterController.java
@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -43,7 +44,7 @@ public class FilterController {
        PDDocument pdfDocument = Loader.loadPDF(inputFile.getBytes());
        if (PdfUtils.hasText(pdfDocument, pageNumber, text))
            return WebResponseUtils.pdfDocToWebResponse(
-                    pdfDocument, inputFile.getOriginalFilename());
+                    pdfDocument, Filenames.toSimpleFileName(inputFile.getOriginalFilename()));
        return null;
    }

@@ -60,7 +61,7 @@ public class FilterController {
        PDDocument pdfDocument = Loader.loadPDF(inputFile.getBytes());
        if (PdfUtils.hasImages(pdfDocument, pageNumber))
            return WebResponseUtils.pdfDocToWebResponse(
-                    pdfDocument, inputFile.getOriginalFilename());
+                    pdfDocument, Filenames.toSimpleFileName(inputFile.getOriginalFilename()));
        return null;
    }

--- a/src/main/java/stirling/software/SPDF/controller/api/misc/AutoRenameController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/AutoRenameController.java
@@ -18,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -133,7 +134,8 @@ public class AutoRenameController {
            return WebResponseUtils.pdfDocToWebResponse(document, header + ".pdf");
        } else {
            logger.info("File has no good title to be found");
-            return WebResponseUtils.pdfDocToWebResponse(document, file.getOriginalFilename());
+            return WebResponseUtils.pdfDocToWebResponse(
+                    document, Filenames.toSimpleFileName(file.getOriginalFilename()));
        }
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/AutoSplitPdfController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/AutoSplitPdfController.java
@@ -31,6 +31,7 @@ import com.google.zxing.PlanarYUVLuminanceSource;
 import com.google.zxing.Result;
 import com.google.zxing.common.HybridBinarizer;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -43,6 +44,7 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 public class AutoSplitPdfController {

    private static final String QR_CONTENT = "https://github.com/Stirling-Tools/Stirling-PDF";
+    private static final String QR_CONTENT_OLD = "https://github.com/Frooodle/Stirling-PDF";

    @PostMapping(value = "/auto-split-pdf", consumes = "multipart/form-data")
    @Operation(
@@ -63,12 +65,13 @@ public class AutoSplitPdfController {
        for (int page = 0; page < document.getNumberOfPages(); ++page) {
            BufferedImage bim = pdfRenderer.renderImageWithDPI(page, 150);
            String result = decodeQRCode(bim);
-
-            if (QR_CONTENT.equals(result) && page != 0) {
+            if ((QR_CONTENT.equals(result) || QR_CONTENT_OLD.equals(result)) && page != 0) {
                splitDocuments.add(new PDDocument());
            }

-            if (!splitDocuments.isEmpty() && !QR_CONTENT.equals(result)) {
+            if (!splitDocuments.isEmpty()
+                    && !QR_CONTENT.equals(result)
+                    && !QR_CONTENT_OLD.equals(result)) {
                splitDocuments.get(splitDocuments.size() - 1).addPage(document.getPage(page));
            } else if (page == 0) {
                PDDocument firstDocument = new PDDocument();
@@ -77,7 +80,7 @@ public class AutoSplitPdfController {
            }

            // If duplexMode is true and current page is a divider, then skip next page
-            if (duplexMode && QR_CONTENT.equals(result)) {
+            if (duplexMode && (QR_CONTENT.equals(result) || QR_CONTENT_OLD.equals(result))) {
                page++;
            }
        }
@@ -95,7 +98,9 @@ public class AutoSplitPdfController {
        document.close();

        Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
        byte[] data;

        try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/BlankPageController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/BlankPageController.java
@@ -2,23 +2,20 @@ package stirling.software.SPDF.controller.api.misc;

 import java.awt.image.BufferedImage;
 import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;

-import javax.imageio.ImageIO;
-
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageTree;
 import org.apache.pdfbox.rendering.PDFRenderer;
 import org.apache.pdfbox.text.PDFTextStripper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -27,13 +24,12 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

 import stirling.software.SPDF.model.api.misc.RemoveBlankPagesRequest;
 import stirling.software.SPDF.utils.PdfUtils;
-import stirling.software.SPDF.utils.ProcessExecutor;
-import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.SPDF.utils.WebResponseUtils;

@RestController
@@ -41,6 +37,8 @@ import stirling.software.SPDF.utils.WebResponseUtils;
@Tag(name = "Misc", description = "Miscellaneous APIs")
 public class BlankPageController {

+    private static final Logger logger = LoggerFactory.getLogger(BlankPageController.class);
+
    @PostMapping(consumes = "multipart/form-data", value = "/remove-blanks")
    @Operation(
            summary = "Remove blank pages from a PDF file",
@@ -63,56 +61,35 @@ public class BlankPageController {
            PDFRenderer pdfRenderer = new PDFRenderer(document);

            for (PDPage page : pages) {
-                System.out.println("checking page " + pageIndex);
+                logger.info("checking page " + pageIndex);
                textStripper.setStartPage(pageIndex + 1);
                textStripper.setEndPage(pageIndex + 1);
                String pageText = textStripper.getText(document);
                boolean hasText = !pageText.trim().isEmpty();
+
+                Boolean blank = false;
                if (hasText) {
-                    pagesToKeepIndex.add(pageIndex);
-                    System.out.println("page " + pageIndex + " has text");
+                    logger.info("page " + pageIndex + " has text, not blank");
+                    blank = false;
                } else {
                    boolean hasImages = PdfUtils.hasImagesOnPage(page);
                    if (hasImages) {
-                        System.out.println("page " + pageIndex + " has image");
-
-                        Path tempFile = Files.createTempFile("image_", ".png");
-
+                        logger.info("page " + pageIndex + " has image, running blank detection");
                        // Render image and save as temp file
-                        BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 300);
-                        ImageIO.write(image, "png", tempFile.toFile());
-
-                        List<String> command =
-                                new ArrayList<>(
-                                        Arrays.asList(
-                                                "python3",
-                                                System.getProperty("user.dir")
-                                                        + "/scripts/detect-blank-pages.py",
-                                                tempFile.toString(),
-                                                "--threshold",
-                                                String.valueOf(threshold),
-                                                "--white_percent",
-                                                String.valueOf(whitePercent)));
-
-                        // Run CLI command
-                        ProcessExecutorResult returnCode =
-                                ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
-                                        .runCommandWithOutputHandling(command);
-
-                        // does contain data
-                        if (returnCode.getRc() == 0) {
-                            System.out.println(
-                                    "page " + pageIndex + " has image which is not blank");
-                            pagesToKeepIndex.add(pageIndex);
-                        } else {
-                            System.out.println("Skipping, Image was blank for page #" + pageIndex);
-                        }
+                        BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 30);
+                        blank = isBlankImage(image, threshold, whitePercent, threshold);
                    }
                }
+
+                if (blank) {
+                    logger.info("Skipping, Image was  blank for page #" + pageIndex);
+                } else {
+                    logger.info("page " + pageIndex + " has image which is not blank");
+                    pagesToKeepIndex.add(pageIndex);
+                }
+
                pageIndex++;
            }
-            System.out.print("pagesToKeep=" + pagesToKeepIndex.size());
-
            // Remove pages not present in pagesToKeepIndex
            List<Integer> pageIndices =
                    IntStream.range(0, pages.getCount()).boxed().collect(Collectors.toList());
@@ -125,7 +102,8 @@ public class BlankPageController {

            return WebResponseUtils.pdfDocToWebResponse(
                    document,
-                    inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                            + "_blanksRemoved.pdf");
        } catch (IOException e) {
            e.printStackTrace();
@@ -134,4 +112,30 @@ public class BlankPageController {
            if (document != null) document.close();
        }
    }
+
+    public static boolean isBlankImage(
+            BufferedImage image, int threshold, double whitePercent, int blurSize) {
+        if (image == null) {
+            logger.info("Error: Image is null");
+            return false;
+        }
+
+        // Convert to binary image based on the threshold
+        int whitePixels = 0;
+        int totalPixels = image.getWidth() * image.getHeight();
+
+        for (int i = 0; i < image.getHeight(); i++) {
+            for (int j = 0; j < image.getWidth(); j++) {
+                int color = image.getRGB(j, i) & 0xFF;
+                if (color >= 255 - threshold) {
+                    whitePixels++;
+                }
+            }
+        }
+
+        double whitePixelPercentage = (whitePixels / (double) totalPixels) * 100;
+        logger.info(String.format("Page has white pixel percent of %.2f%%", whitePixelPercentage));
+
+        return whitePixelPercentage >= whitePercent;
+    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/CompressController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/CompressController.java
@@ -29,6 +29,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -264,7 +265,9 @@ public class CompressController {

        // Return the optimized PDF as a response
        String outputFilename =
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_Optimized.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_Optimized.pdf";
        return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImageScansController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImageScansController.java
@@ -72,112 +72,146 @@ public class ExtractImageScansController {
        String extension = fileName.substring(fileName.lastIndexOf(".") + 1);

        List<String> images = new ArrayList<>();
-
-        // Check if input file is a PDF
-        if (extension.equalsIgnoreCase("pdf")) {
-            // Load PDF document
-            try (PDDocument document = Loader.loadPDF(form.getFileInput().getBytes())) {
-                PDFRenderer pdfRenderer = new PDFRenderer(document);
-                int pageCount = document.getNumberOfPages();
-                images = new ArrayList<>();
-
-                // Create images of all pages
-                for (int i = 0; i < pageCount; i++) {
-                    // Create temp file to save the image
-                    Path tempFile = Files.createTempFile("image_", ".png");
-
-                    // Render image and save as temp file
-                    BufferedImage image = pdfRenderer.renderImageWithDPI(i, 300);
-                    ImageIO.write(image, "png", tempFile.toFile());
-
-                    // Add temp file path to images list
-                    images.add(tempFile.toString());
+        
+        List<Path> tempImageFiles = new ArrayList<>();
+        Path tempInputFile = null;
+        Path tempZipFile = null;
+        List<Path> tempDirs = new ArrayList<>();
+        
+        try {
+	        // Check if input file is a PDF
+	        if ("pdf".equalsIgnoreCase(extension)) {
+	            // Load PDF document
+	            try (PDDocument document = Loader.loadPDF(form.getFileInput().getBytes())) {
+	                PDFRenderer pdfRenderer = new PDFRenderer(document);
+	                int pageCount = document.getNumberOfPages();
+	                images = new ArrayList<>();
+	
+	                // Create images of all pages
+	                for (int i = 0; i < pageCount; i++) {
+	                    // Create temp file to save the image
+	                    Path tempFile = Files.createTempFile("image_", ".png");
+	
+	                    // Render image and save as temp file
+	                    BufferedImage image = pdfRenderer.renderImageWithDPI(i, 300);
+	                    ImageIO.write(image, "png", tempFile.toFile());
+	
+	                    // Add temp file path to images list
+	                    images.add(tempFile.toString());
+	                    tempImageFiles.add(tempFile);
+	                }
+	            }
+	        } else {
+	            tempInputFile = Files.createTempFile("input_", "." + extension);
+	            Files.copy(
+	                    form.getFileInput().getInputStream(),
+	                    tempInputFile,
+	                    StandardCopyOption.REPLACE_EXISTING);
+	            // Add input file path to images list
+	            images.add(tempInputFile.toString());
+	        }
+	
+	        List<byte[]> processedImageBytes = new ArrayList<>();
+	
+	        // Process each image
+	        for (int i = 0; i < images.size(); i++) {
+	
+	            Path tempDir = Files.createTempDirectory("openCV_output");
+	            tempDirs.add(tempDir);
+	            List<String> command =
+	                    new ArrayList<>(
+	                            Arrays.asList(
+	                                    "python3",
+	                                    "./scripts/split_photos.py",
+	                                    images.get(i),
+	                                    tempDir.toString(),
+	                                    "--angle_threshold",
+	                                    String.valueOf(form.getAngleThreshold()),
+	                                    "--tolerance",
+	                                    String.valueOf(form.getTolerance()),
+	                                    "--min_area",
+	                                    String.valueOf(form.getMinArea()),
+	                                    "--min_contour_area",
+	                                    String.valueOf(form.getMinContourArea()),
+	                                    "--border_size",
+	                                    String.valueOf(form.getBorderSize())));
+	
+	            // Run CLI command
+	            ProcessExecutorResult returnCode =
+	                    ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
+	                            .runCommandWithOutputHandling(command);
+	
+	            // Read the output photos in temp directory
+	            List<Path> tempOutputFiles = Files.list(tempDir).sorted().collect(Collectors.toList());
+	            for (Path tempOutputFile : tempOutputFiles) {
+	                byte[] imageBytes = Files.readAllBytes(tempOutputFile);
+	                processedImageBytes.add(imageBytes);
+	            }
+	            // Clean up the temporary directory
+	            FileUtils.deleteDirectory(tempDir.toFile());
+	        }
+	
+	        // Create zip file if multiple images
+	        if (processedImageBytes.size() > 1) {
+	            String outputZipFilename = fileName.replaceFirst("[.][^.]+$", "") + "_processed.zip";
+	            tempZipFile = Files.createTempFile("output_", ".zip");
+	
+	            try (ZipOutputStream zipOut =
+	                    new ZipOutputStream(new FileOutputStream(tempZipFile.toFile()))) {
+	                // Add processed images to the zip
+	                for (int i = 0; i < processedImageBytes.size(); i++) {
+	                    ZipEntry entry =
+	                            new ZipEntry(
+	                                    fileName.replaceFirst("[.][^.]+$", "")
+	                                            + "_"
+	                                            + (i + 1)
+	                                            + ".png");
+	                    zipOut.putNextEntry(entry);
+	                    zipOut.write(processedImageBytes.get(i));
+	                    zipOut.closeEntry();
+	                }
+	            }
+	
+	            byte[] zipBytes = Files.readAllBytes(tempZipFile);
+	
+	            // Clean up the temporary zip file
+	            Files.delete(tempZipFile);
+	
+	            return WebResponseUtils.bytesToWebResponse(
+	                    zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
+	        } else {
+	            // Return the processed image as a response
+	            byte[] imageBytes = processedImageBytes.get(0);
+	            return WebResponseUtils.bytesToWebResponse(
+	                    imageBytes,
+	                    fileName.replaceFirst("[.][^.]+$", "") + ".png",
+	                    MediaType.IMAGE_PNG);
+	        }
+        } finally {
+        	// Cleanup logic for all temporary files and directories
+            tempImageFiles.forEach(path -> {
+                try {
+                    Files.deleteIfExists(path);
+                } catch (IOException e) {
+                    logger.error("Failed to delete temporary image file: " + path, e);
                }
-            }
-        } else {
-            Path tempInputFile = Files.createTempFile("input_", "." + extension);
-            Files.copy(
-                    form.getFileInput().getInputStream(),
-                    tempInputFile,
-                    StandardCopyOption.REPLACE_EXISTING);
-            // Add input file path to images list
-            images.add(tempInputFile.toString());
-        }
+            });

-        List<byte[]> processedImageBytes = new ArrayList<>();
-
-        // Process each image
-        for (int i = 0; i < images.size(); i++) {
-
-            Path tempDir = Files.createTempDirectory("openCV_output");
-            List<String> command =
-                    new ArrayList<>(
-                            Arrays.asList(
-                                    "python3",
-                                    "./scripts/split_photos.py",
-                                    images.get(i),
-                                    tempDir.toString(),
-                                    "--angle_threshold",
-                                    String.valueOf(form.getAngleThreshold()),
-                                    "--tolerance",
-                                    String.valueOf(form.getTolerance()),
-                                    "--min_area",
-                                    String.valueOf(form.getMinArea()),
-                                    "--min_contour_area",
-                                    String.valueOf(form.getMinContourArea()),
-                                    "--border_size",
-                                    String.valueOf(form.getBorderSize())));
-
-            // Run CLI command
-            ProcessExecutorResult returnCode =
-                    ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
-                            .runCommandWithOutputHandling(command);
-
-            // Read the output photos in temp directory
-            List<Path> tempOutputFiles = Files.list(tempDir).sorted().collect(Collectors.toList());
-            for (Path tempOutputFile : tempOutputFiles) {
-                byte[] imageBytes = Files.readAllBytes(tempOutputFile);
-                processedImageBytes.add(imageBytes);
-            }
-            // Clean up the temporary directory
-            FileUtils.deleteDirectory(tempDir.toFile());
-        }
-
-        // Create zip file if multiple images
-        if (processedImageBytes.size() > 1) {
-            String outputZipFilename = fileName.replaceFirst("[.][^.]+$", "") + "_processed.zip";
-            Path tempZipFile = Files.createTempFile("output_", ".zip");
-
-            try (ZipOutputStream zipOut =
-                    new ZipOutputStream(new FileOutputStream(tempZipFile.toFile()))) {
-                // Add processed images to the zip
-                for (int i = 0; i < processedImageBytes.size(); i++) {
-                    ZipEntry entry =
-                            new ZipEntry(
-                                    fileName.replaceFirst("[.][^.]+$", "")
-                                            + "_"
-                                            + (i + 1)
-                                            + ".png");
-                    zipOut.putNextEntry(entry);
-                    zipOut.write(processedImageBytes.get(i));
-                    zipOut.closeEntry();
+            if (tempZipFile != null && Files.exists(tempZipFile)) {
+                try {
+                    Files.delete(tempZipFile);
+                } catch (IOException e) {
+                    logger.error("Failed to delete temporary zip file: " + tempZipFile, e);
                }
            }

-            byte[] zipBytes = Files.readAllBytes(tempZipFile);
-
-            // Clean up the temporary zip file
-            Files.delete(tempZipFile);
-
-            return WebResponseUtils.bytesToWebResponse(
-                    zipBytes, outputZipFilename, MediaType.APPLICATION_OCTET_STREAM);
-        } else {
-            // Return the processed image as a response
-            byte[] imageBytes = processedImageBytes.get(0);
-            return WebResponseUtils.bytesToWebResponse(
-                    imageBytes,
-                    fileName.replaceFirst("[.][^.]+$", "") + ".png",
-                    MediaType.IMAGE_PNG);
+            tempDirs.forEach(dir -> {
+                try {
+                    FileUtils.deleteDirectory(dir.toFile());
+                } catch (IOException e) {
+                    logger.error("Failed to delete temporary directory: " + dir, e);
+                }
+            });
        }
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImagesController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImagesController.java
@@ -29,6 +29,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -66,7 +67,9 @@ public class ExtractImagesController {
        zos.setLevel(Deflater.BEST_COMPRESSION);

        int imageIndex = 1;
-        String filename = file.getOriginalFilename().replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
        int pageNum = 0;
        Set<Integer> processedImages = new HashSet<>();
        // Iterate over each page
@@ -85,19 +88,19 @@ public class ExtractImagesController {
                    // Convert image to desired format
                    RenderedImage renderedImage = image.getImage();
                    BufferedImage bufferedImage = null;
-                    if (format.equalsIgnoreCase("png")) {
+                    if ("png".equalsIgnoreCase(format)) {
                        bufferedImage =
                                new BufferedImage(
                                        renderedImage.getWidth(),
                                        renderedImage.getHeight(),
                                        BufferedImage.TYPE_INT_ARGB);
-                    } else if (format.equalsIgnoreCase("jpeg") || format.equalsIgnoreCase("jpg")) {
+                    } else if ("jpeg".equalsIgnoreCase(format) || "jpg".equalsIgnoreCase(format)) {
                        bufferedImage =
                                new BufferedImage(
                                        renderedImage.getWidth(),
                                        renderedImage.getHeight(),
                                        BufferedImage.TYPE_INT_RGB);
-                    } else if (format.equalsIgnoreCase("gif")) {
+                    } else if ("gif".equalsIgnoreCase(format)) {
                        bufferedImage =
                                new BufferedImage(
                                        renderedImage.getWidth(),
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/FakeScanControllerWIP.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/FakeScanControllerWIP.java
@@ -29,11 +29,11 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
-import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -50,7 +50,7 @@ public class FakeScanControllerWIP {

    // TODO
    @Hidden
-    @PostMapping(consumes = "multipart/form-data", value = "/fakeScan")
+    // @PostMapping(consumes = "multipart/form-data", value = "/fakeScan")
    @Operation(
            summary = "Repair a PDF file",
            description =
@@ -142,7 +142,9 @@ public class FakeScanControllerWIP {

        // Return the optimized PDF as a response
        String outputFilename =
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_scanned.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_scanned.pdf";
        return WebResponseUtils.boasToWebResponse(baos, outputFilename);
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java
@@ -18,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -109,15 +110,15 @@ public class MetadataController {
            for (Entry<String, String> entry : allRequestParams.entrySet()) {
                String key = entry.getKey();
                // Check if the key is a standard metadata key
-                if (!key.equalsIgnoreCase("Author")
-                        && !key.equalsIgnoreCase("CreationDate")
-                        && !key.equalsIgnoreCase("Creator")
-                        && !key.equalsIgnoreCase("Keywords")
-                        && !key.equalsIgnoreCase("modificationDate")
-                        && !key.equalsIgnoreCase("Producer")
-                        && !key.equalsIgnoreCase("Subject")
-                        && !key.equalsIgnoreCase("Title")
-                        && !key.equalsIgnoreCase("Trapped")
+                if (!"Author".equalsIgnoreCase(key)
+                        && !"CreationDate".equalsIgnoreCase(key)
+                        && !"Creator".equalsIgnoreCase(key)
+                        && !"Keywords".equalsIgnoreCase(key)
+                        && !"modificationDate".equalsIgnoreCase(key)
+                        && !"Producer".equalsIgnoreCase(key)
+                        && !"Subject".equalsIgnoreCase(key)
+                        && !"Title".equalsIgnoreCase(key)
+                        && !"Trapped".equalsIgnoreCase(key)
                        && !key.contains("customKey")
                        && !key.contains("customValue")) {
                    info.setCustomMetadataValue(key, entry.getValue());
@@ -164,6 +165,8 @@ public class MetadataController {
        document.setDocumentInformation(info);
        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_metadata.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_metadata.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java
@@ -24,6 +24,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -40,7 +41,7 @@ public class OCRController {
    private static final Logger logger = LoggerFactory.getLogger(OCRController.class);

    public List<String> getAvailableTesseractLanguages() {
-        String tessdataDir = "/usr/share/tesseract-ocr/5/tessdata";
+        String tessdataDir = "/usr/share/tessdata";
        File[] files = new File(tessdataDir).listFiles();
        if (files == null) {
            return Collections.emptyList();
@@ -74,7 +75,7 @@ public class OCRController {
            throw new IOException("Please select at least one language.");
        }

-        if (!ocrRenderType.equals("hocr") && !ocrRenderType.equals("sandwich")) {
+        if (!"hocr".equals(ocrRenderType) && !"sandwich".equals(ocrRenderType)) {
            throw new IOException("ocrRenderType wrong");
        }

@@ -127,7 +128,7 @@ public class OCRController {
        if (cleanFinal != null && cleanFinal) {
            command.add("--clean-final");
        }
-        if (ocrType != null && !ocrType.equals("")) {
+        if (ocrType != null && !"".equals(ocrType)) {
            if ("skip-text".equals(ocrType)) {
                command.add("--skip-text");
            } else if ("force-ocr".equals(ocrType)) {
@@ -182,12 +183,16 @@ public class OCRController {

        // Return the OCR processed PDF as a response
        String outputFilename =
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_OCR.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_OCR.pdf";

        if (sidecar != null && sidecar) {
            // Create a zip file containing both the PDF and the text file
            String outputZipFilename =
-                    inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_OCR.zip";
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
+                            + "_OCR.zip";
            Path tempZipFile = Files.createTempFile("output_", ".zip");

            try (ZipOutputStream zipOut =
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/OverlayImageController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/OverlayImageController.java
@@ -12,6 +12,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -30,7 +31,7 @@ public class OverlayImageController {
    @Operation(
            summary = "Overlay image onto a PDF file",
            description =
-                    "This endpoint overlays an image onto a PDF file at the specified coordinates. The image can be overlaid on every page of the PDF if specified.  Input:PDF/IMAGE Output:PDF Type:MF-SISO")
+                    "This endpoint overlays an image onto a PDF file at the specified coordinates. The image can be overlaid on every page of the PDF if specified.  Input:PDF/IMAGE Output:PDF Type:SISO")
    public ResponseEntity<byte[]> overlayImage(@ModelAttribute OverlayImageRequest request) {
        MultipartFile pdfFile = request.getFileInput();
        MultipartFile imageFile = request.getImageFile();
@@ -44,7 +45,9 @@ public class OverlayImageController {

            return WebResponseUtils.bytesToWebResponse(
                    result,
-                    pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_overlayed.pdf");
+                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
+                            + "_overlayed.pdf");
        } catch (IOException e) {
            logger.error("Failed to add image to PDF", e);
            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/PageNumbersController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/PageNumbersController.java
@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -93,7 +94,7 @@ public class PageNumbersController {
                                    .replace("{total}", String.valueOf(document.getNumberOfPages()))
                                    .replace(
                                            "{filename}",
-                                            file.getOriginalFilename()
+                                            Filenames.toSimpleFileName(file.getOriginalFilename())
                                                    .replaceFirst("[.][^.]+$", ""))
                            : String.valueOf(pageNumber);

@@ -145,7 +146,8 @@ public class PageNumbersController {

        return WebResponseUtils.bytesToWebResponse(
                baos.toByteArray(),
-                file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf",
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_numbersAdded.pdf",
                MediaType.APPLICATION_PDF);
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/RepairController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/RepairController.java
@@ -15,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -65,7 +66,9 @@ public class RepairController {

        // Return the optimized PDF as a response
        String outputFilename =
-                inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_repaired.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_repaired.pdf";
        return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/ShowJavascript.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/ShowJavascript.java
@@ -16,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -54,7 +55,8 @@ public class ShowJavascript {

                        script +=
                                "// File: "
-                                        + inputFile.getOriginalFilename()
+                                        + Filenames.toSimpleFileName(
+                                                inputFile.getOriginalFilename())
                                        + ", Script: "
                                        + name
                                        + "\n"
@@ -66,12 +68,14 @@ public class ShowJavascript {

            if (script.isEmpty()) {
                script =
-                        "PDF '" + inputFile.getOriginalFilename() + "' does not contain Javascript";
+                        "PDF '"
+                                + Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                + "' does not contain Javascript";
            }

            return WebResponseUtils.bytesToWebResponse(
                    script.getBytes(StandardCharsets.UTF_8),
-                    inputFile.getOriginalFilename() + ".js");
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename()) + ".js");
        }
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/misc/StampController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/misc/StampController.java
@@ -0,0 +1,320 @@
+package stirling.software.SPDF.controller.api.misc;
+
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.util.List;
+
+import javax.imageio.ImageIO;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.pdfbox.Loader;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType0Font;
+import org.apache.pdfbox.pdmodel.font.PDType1Font;
+import org.apache.pdfbox.pdmodel.font.Standard14Fonts;
+import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
+import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
+import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
+import org.apache.pdfbox.util.Matrix;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import io.github.pixee.security.Filenames;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+
+import stirling.software.SPDF.model.api.misc.AddStampRequest;
+import stirling.software.SPDF.utils.WebResponseUtils;
+
+@RestController
+@RequestMapping("/api/v1/misc")
+@Tag(name = "Misc", description = "Miscellaneous APIs")
+public class StampController {
+
+    @PostMapping(consumes = "multipart/form-data", value = "/add-stamp")
+    @Operation(
+            summary = "Add stamp to a PDF file",
+            description =
+                    "This endpoint adds a stamp to a given PDF file. Users can specify the stamp type (text or image), rotation, opacity, width spacer, and height spacer. Input:PDF Output:PDF Type:SISO")
+    public ResponseEntity<byte[]> addStamp(@ModelAttribute AddStampRequest request)
+            throws IOException, Exception {
+        MultipartFile pdfFile = request.getFileInput();
+        String stampType = request.getStampType();
+        String stampText = request.getStampText();
+        MultipartFile stampImage = request.getStampImage();
+        String alphabet = request.getAlphabet();
+        float fontSize = request.getFontSize();
+        float rotation = request.getRotation();
+        float opacity = request.getOpacity();
+        int position = request.getPosition(); // Updated to use 1-9 positioning logic
+        float overrideX = request.getOverrideX(); // New field for X override
+        float overrideY = request.getOverrideY(); // New field for Y override
+
+        String customColor = request.getCustomColor();
+        float marginFactor;
+
+        switch (request.getCustomMargin().toLowerCase()) {
+            case "small":
+                marginFactor = 0.02f;
+                break;
+            case "medium":
+                marginFactor = 0.035f;
+                break;
+            case "large":
+                marginFactor = 0.05f;
+                break;
+            case "x-large":
+                marginFactor = 0.075f;
+                break;
+            default:
+                marginFactor = 0.035f;
+                break;
+        }
+
+        // Load the input PDF
+        PDDocument document = Loader.loadPDF(pdfFile.getBytes());
+
+        List<Integer> pageNumbers = request.getPageNumbersList(document, false);
+
+        for (int pageIndex : pageNumbers) {
+            int zeroBasedIndex = pageIndex - 1;
+            if (zeroBasedIndex >= 0 && zeroBasedIndex < document.getNumberOfPages()) {
+                PDPage page = document.getPage(zeroBasedIndex);
+                PDRectangle pageSize = page.getMediaBox();
+                float margin = marginFactor * (pageSize.getWidth() + pageSize.getHeight()) / 2;
+
+                PDPageContentStream contentStream =
+                        new PDPageContentStream(
+                                document, page, PDPageContentStream.AppendMode.APPEND, true, true);
+
+                PDExtendedGraphicsState graphicsState = new PDExtendedGraphicsState();
+                graphicsState.setNonStrokingAlphaConstant(opacity);
+                contentStream.setGraphicsStateParameters(graphicsState);
+
+                if ("text".equalsIgnoreCase(stampType)) {
+                    addTextStamp(
+                            contentStream,
+                            stampText,
+                            document,
+                            page,
+                            rotation,
+                            position,
+                            fontSize,
+                            alphabet,
+                            overrideX,
+                            overrideY,
+                            margin,
+                            customColor);
+                } else if ("image".equalsIgnoreCase(stampType)) {
+                    addImageStamp(
+                            contentStream,
+                            stampImage,
+                            document,
+                            page,
+                            rotation,
+                            position,
+                            fontSize,
+                            overrideX,
+                            overrideY,
+                            margin);
+                }
+
+                contentStream.close();
+            }
+        }
+        return WebResponseUtils.pdfDocToWebResponse(
+                document,
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_stamped.pdf");
+    }
+
+    private void addTextStamp(
+            PDPageContentStream contentStream,
+            String stampText,
+            PDDocument document,
+            PDPage page,
+            float rotation,
+            int position, // 1-9 positioning logic
+            float fontSize,
+            String alphabet,
+            float overrideX, // X override
+            float overrideY,
+            float margin,
+            String colorString) // Y override
+            throws IOException {
+        String resourceDir = "";
+        PDFont font = new PDType1Font(Standard14Fonts.FontName.HELVETICA);
+        switch (alphabet) {
+            case "arabic":
+                resourceDir = "static/fonts/NotoSansArabic-Regular.ttf";
+                break;
+            case "japanese":
+                resourceDir = "static/fonts/Meiryo.ttf";
+                break;
+            case "korean":
+                resourceDir = "static/fonts/malgun.ttf";
+                break;
+            case "chinese":
+                resourceDir = "static/fonts/SimSun.ttf";
+                break;
+            case "roman":
+            default:
+                resourceDir = "static/fonts/NotoSans-Regular.ttf";
+                break;
+        }
+
+        if (!"".equals(resourceDir)) {
+            ClassPathResource classPathResource = new ClassPathResource(resourceDir);
+            String fileExtension = resourceDir.substring(resourceDir.lastIndexOf("."));
+            File tempFile = Files.createTempFile("NotoSansFont", fileExtension).toFile();
+            try (InputStream is = classPathResource.getInputStream();
+                    FileOutputStream os = new FileOutputStream(tempFile)) {
+                IOUtils.copy(is, os);
+            }
+
+            font = PDType0Font.load(document, tempFile);
+            tempFile.deleteOnExit();
+        }
+
+        contentStream.setFont(font, fontSize);
+
+        Color redactColor;
+        try {
+            if (!colorString.startsWith("#")) {
+                colorString = "#" + colorString;
+            }
+            redactColor = Color.decode(colorString);
+        } catch (NumberFormatException e) {
+
+            redactColor = Color.LIGHT_GRAY;
+        }
+
+        contentStream.setNonStrokingColor(redactColor);
+
+        PDRectangle pageSize = page.getMediaBox();
+        float x, y;
+
+        if (overrideX >= 0 && overrideY >= 0) {
+            // Use override values if provided
+            x = overrideX;
+            y = overrideY;
+        } else {
+            x = calculatePositionX(pageSize, position, fontSize, font, fontSize, stampText, margin);
+            y =
+                    calculatePositionY(
+                            pageSize, position, calculateTextCapHeight(font, fontSize), margin);
+        }
+
+        contentStream.beginText();
+        contentStream.setTextMatrix(Matrix.getRotateInstance(Math.toRadians(rotation), x, y));
+        contentStream.showText(stampText);
+        contentStream.endText();
+    }
+
+    private void addImageStamp(
+            PDPageContentStream contentStream,
+            MultipartFile stampImage,
+            PDDocument document,
+            PDPage page,
+            float rotation,
+            int position, // 1-9 positioning logic
+            float fontSize,
+            float overrideX,
+            float overrideY,
+            float margin)
+            throws IOException {
+
+        // Load the stamp image
+        BufferedImage image = ImageIO.read(stampImage.getInputStream());
+
+        // Compute width based on original aspect ratio
+        float aspectRatio = (float) image.getWidth() / (float) image.getHeight();
+
+        // Desired physical height (in PDF points)
+        float desiredPhysicalHeight = fontSize;
+
+        // Desired physical width based on the aspect ratio
+        float desiredPhysicalWidth = desiredPhysicalHeight * aspectRatio;
+
+        // Convert the BufferedImage to PDImageXObject
+        PDImageXObject xobject = LosslessFactory.createFromImage(document, image);
+
+        PDRectangle pageSize = page.getMediaBox();
+        float x, y;
+
+        if (overrideX >= 0 && overrideY >= 0) {
+            // Use override values if provided
+            x = overrideX;
+            y = overrideY;
+        } else {
+            x = calculatePositionX(pageSize, position, desiredPhysicalWidth, null, 0, null, margin);
+            y = calculatePositionY(pageSize, position, fontSize, margin);
+        }
+
+        contentStream.saveGraphicsState();
+        contentStream.transform(Matrix.getTranslateInstance(x, y));
+        contentStream.transform(Matrix.getRotateInstance(Math.toRadians(rotation), 0, 0));
+        contentStream.drawImage(xobject, 0, 0, desiredPhysicalWidth, desiredPhysicalHeight);
+        contentStream.restoreGraphicsState();
+    }
+
+    private float calculatePositionX(
+            PDRectangle pageSize,
+            int position,
+            float contentWidth,
+            PDFont font,
+            float fontSize,
+            String text,
+            float margin)
+            throws IOException {
+        float actualWidth =
+                (text != null) ? calculateTextWidth(text, font, fontSize) : contentWidth;
+        switch (position % 3) {
+            case 1: // Left
+                return pageSize.getLowerLeftX() + margin;
+            case 2: // Center
+                return (pageSize.getWidth() - actualWidth) / 2;
+            case 0: // Right
+                return pageSize.getUpperRightX() - actualWidth - margin;
+            default:
+                return 0;
+        }
+    }
+
+    private float calculatePositionY(
+            PDRectangle pageSize, int position, float height, float margin) {
+        switch ((position - 1) / 3) {
+            case 0: // Top
+                return pageSize.getUpperRightY() - height - margin;
+            case 1: // Middle
+                return (pageSize.getHeight() - height) / 2;
+            case 2: // Bottom
+                return pageSize.getLowerLeftY() + margin;
+            default:
+                return 0;
+        }
+    }
+
+    private float calculateTextWidth(String text, PDFont font, float fontSize) throws IOException {
+        return font.getStringWidth(text) / 1000 * fontSize;
+    }
+
+    private float calculateTextCapHeight(PDFont font, float fontSize) {
+        return font.getFontDescriptor().getCapHeight() / 1000 * fontSize;
+    }
+}
--- a/src/main/java/stirling/software/SPDF/controller/api/pipeline/ApiDocService.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/pipeline/ApiDocService.java
@@ -1,6 +1,8 @@
 package stirling.software.SPDF.controller.api.pipeline;

+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -34,11 +36,62 @@ public class ApiDocService {

    private String getApiDocsUrl() {
        String contextPath = servletContext.getContextPath();
-        String port = SPdfApplication.getPort();
+        String port = SPdfApplication.getStaticPort();

        return "http://localhost:" + port + contextPath + "/v1/api-docs";
    }

+    Map<String, List<String>> outputToFileTypes = new HashMap<>();
+
+    public List getExtensionTypes(boolean output, String operationName) {
+        if (outputToFileTypes.size() == 0) {
+            outputToFileTypes.put("PDF", Arrays.asList("pdf"));
+            outputToFileTypes.put(
+                    "IMAGE",
+                    Arrays.asList(
+                            "png", "jpg", "jpeg", "gif", "webp", "bmp", "tif", "tiff", "svg", "psd",
+                            "ai", "eps"));
+            outputToFileTypes.put(
+                    "ZIP",
+                    Arrays.asList("zip", "rar", "7z", "tar", "gz", "bz2", "xz", "lz", "lzma", "z"));
+            outputToFileTypes.put("WORD", Arrays.asList("doc", "docx", "odt", "rtf"));
+            outputToFileTypes.put("CSV", Arrays.asList("csv"));
+            outputToFileTypes.put("JS", Arrays.asList("js", "jsx"));
+            outputToFileTypes.put("HTML", Arrays.asList("html", "htm", "xhtml"));
+            outputToFileTypes.put("JSON", Arrays.asList("json"));
+            outputToFileTypes.put("TXT", Arrays.asList("txt", "text", "md", "markdown"));
+            outputToFileTypes.put("PPT", Arrays.asList("ppt", "pptx", "odp"));
+            outputToFileTypes.put("XML", Arrays.asList("xml", "xsd", "xsl"));
+            outputToFileTypes.put(
+                    "BOOK", Arrays.asList("epub", "mobi", "azw3", "fb2", "txt", "docx"));
+            // type.
+        }
+
+        if (apiDocsJsonRootNode == null || apiDocumentation.size() == 0) {
+            loadApiDocumentation();
+        }
+        if (!apiDocumentation.containsKey(operationName)) {
+            return null;
+        }
+
+        ApiEndpoint endpoint = apiDocumentation.get(operationName);
+        String description = endpoint.getDescription();
+        Pattern pattern = null;
+        if (output) {
+            pattern = Pattern.compile("Output:(\\w+)");
+        } else {
+            pattern = Pattern.compile("Input:(\\w+)");
+        }
+        Matcher matcher = pattern.matcher(description);
+        while (matcher.find()) {
+            String type = matcher.group(1).toUpperCase();
+            if (outputToFileTypes.containsKey(type)) {
+                return outputToFileTypes.get(type);
+            }
+        }
+        return null;
+    }
+
    @Autowired(required = false)
    private UserServiceInterface userService;

--- a/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java
@@ -11,6 +11,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -35,6 +36,9 @@ import org.springframework.util.MultiValueMap;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
+import io.github.pixee.security.ZipSecurity;
+
 import jakarta.servlet.ServletContext;
 import stirling.software.SPDF.SPdfApplication;
 import stirling.software.SPDF.model.PipelineConfig;
@@ -60,7 +64,7 @@ public class PipelineProcessor {

    private String getBaseUrl() {
        String contextPath = servletContext.getContextPath();
-        String port = SPdfApplication.getPort();
+        String port = SPdfApplication.getStaticPort();

        return "http://localhost:" + port + contextPath + "/";
    }
@@ -82,15 +86,11 @@ public class PipelineProcessor {
                    operation,
                    isMultiInputOperation);
            Map<String, Object> parameters = pipelineOperation.getParameters();
-            String inputFileExtension = "";
-
-            // TODO
-            // if (operationNode.has("inputFileType")) {
-            //	inputFileExtension = operationNode.get("inputFileType").asText();
-            // } else {
-            inputFileExtension = ".pdf";
-            // }
-            final String finalInputFileExtension = inputFileExtension;
+            List<String> inputFileTypes = apiDocService.getExtensionTypes(false, operation);
+            if (inputFileTypes == null) {
+                inputFileTypes = new ArrayList<String>(Arrays.asList("ALL"));
+            }
+            // List outputFileTypes = apiDocService.getExtensionTypes(true, operation);

            String url = getBaseUrl() + operation;

@@ -98,38 +98,42 @@ public class PipelineProcessor {
            if (!isMultiInputOperation) {
                for (Resource file : outputFiles) {
                    boolean hasInputFileType = false;
-                    if (file.getFilename().endsWith(inputFileExtension)) {
-                        hasInputFileType = true;
-                        MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
-                        body.add("fileInput", file);
+                    for (String extension : inputFileTypes) {
+                        if ("ALL".equals(extension) || file.getFilename().endsWith(extension)) {
+                            hasInputFileType = true;
+                            MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+                            body.add("fileInput", file);

-                        for (Entry<String, Object> entry : parameters.entrySet()) {
-                            body.add(entry.getKey(), entry.getValue());
+                            for (Entry<String, Object> entry : parameters.entrySet()) {
+                                body.add(entry.getKey(), entry.getValue());
+                            }
+
+                            ResponseEntity<byte[]> response = sendWebRequest(url, body);
+
+                            // If the operation is filter and the response body is null or empty,
+                            // skip
+                            // this
+                            // file
+                            if (operation.startsWith("filter-")
+                                    && (response.getBody() == null
+                                            || response.getBody().length == 0)) {
+                                logger.info("Skipping file due to failing {}", operation);
+                                continue;
+                            }
+
+                            if (!response.getStatusCode().equals(HttpStatus.OK)) {
+                                logPrintStream.println("Error: " + response.getBody());
+                                hasErrors = true;
+                                continue;
+                            }
+                            processOutputFiles(operation, response, newOutputFiles);
                        }
-
-                        ResponseEntity<byte[]> response = sendWebRequest(url, body);
-
-                        // If the operation is filter and the response body is null or empty, skip
-                        // this
-                        // file
-                        if (operation.startsWith("filter-")
-                                && (response.getBody() == null || response.getBody().length == 0)) {
-                            logger.info("Skipping file due to failing {}", operation);
-                            continue;
-                        }
-
-                        if (!response.getStatusCode().equals(HttpStatus.OK)) {
-                            logPrintStream.println("Error: " + response.getBody());
-                            hasErrors = true;
-                            continue;
-                        }
-                        processOutputFiles(operation, file.getFilename(), response, newOutputFiles);
                    }

                    if (!hasInputFileType) {
                        logPrintStream.println(
                                "No files with extension "
-                                        + inputFileExtension
+                                        + String.join(", ", inputFileTypes)
                                        + " found for operation "
                                        + operation);
                        hasErrors = true;
@@ -138,13 +142,19 @@ public class PipelineProcessor {

            } else {
                // Filter and collect all files that match the inputFileExtension
-                List<Resource> matchingFiles =
-                        outputFiles.stream()
-                                .filter(
-                                        file ->
-                                                file.getFilename()
-                                                        .endsWith(finalInputFileExtension))
-                                .collect(Collectors.toList());
+                List<Resource> matchingFiles;
+                if (inputFileTypes.contains("ALL")) {
+                    matchingFiles = new ArrayList<>(outputFiles);
+                } else {
+                    final List<String> finalinputFileTypes = inputFileTypes;
+                    matchingFiles =
+                            outputFiles.stream()
+                                    .filter(
+                                            file ->
+                                                    finalinputFileTypes.stream()
+                                                            .anyMatch(file.getFilename()::endsWith))
+                                    .collect(Collectors.toList());
+                }

                // Check if there are matching files
                if (!matchingFiles.isEmpty()) {
@@ -164,11 +174,7 @@ public class PipelineProcessor {

                    // Handle the response
                    if (response.getStatusCode().equals(HttpStatus.OK)) {
-                        processOutputFiles(
-                                operation,
-                                matchingFiles.get(0).getFilename(),
-                                response,
-                                newOutputFiles);
+                        processOutputFiles(operation, response, newOutputFiles);
                    } else {
                        // Log error if the response status is not OK
                        logPrintStream.println(
@@ -178,7 +184,7 @@ public class PipelineProcessor {
                } else {
                    logPrintStream.println(
                            "No files with extension "
-                                    + inputFileExtension
+                                    + String.join(", ", inputFileTypes)
                                    + " found for multi-input operation "
                                    + operation);
                    hasErrors = true;
@@ -211,11 +217,29 @@ public class PipelineProcessor {
        return restTemplate.exchange(url, HttpMethod.POST, entity, byte[].class);
    }

+    public static String removeTrailingNaming(String filename) {
+        // Splitting filename into name and extension
+        int dotIndex = filename.lastIndexOf(".");
+        if (dotIndex == -1) {
+            // No extension found
+            return filename;
+        }
+        String name = filename.substring(0, dotIndex);
+        String extension = filename.substring(dotIndex);
+
+        // Finding the last underscore
+        int underscoreIndex = name.lastIndexOf("_");
+        if (underscoreIndex == -1) {
+            // No underscore found
+            return filename;
+        }
+
+        // Removing the last part and reattaching the extension
+        return name.substring(0, underscoreIndex) + extension;
+    }
+
    private List<Resource> processOutputFiles(
-            String operation,
-            String fileName,
-            ResponseEntity<byte[]> response,
-            List<Resource> newOutputFiles)
+            String operation, ResponseEntity<byte[]> response, List<Resource> newOutputFiles)
            throws IOException {
        // Define filename
        String newFilename;
@@ -227,7 +251,7 @@ public class PipelineProcessor {
            newFilename = extractFilename(response);
        } else {
            // Otherwise, keep the original filename.
-            newFilename = fileName;
+            newFilename = removeTrailingNaming(extractFilename(response));
        }

        // Check if the response body is a zip file
@@ -312,7 +336,7 @@ public class PipelineProcessor {
                    new ByteArrayResource(file.getBytes()) {
                        @Override
                        public String getFilename() {
-                            return file.getOriginalFilename();
+                            return Filenames.toSimpleFileName(file.getOriginalFilename());
                        }
                    };
            outputFiles.add(fileResource);
@@ -335,7 +359,7 @@ public class PipelineProcessor {
        List<Resource> unzippedFiles = new ArrayList<>();

        try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
-                ZipInputStream zis = new ZipInputStream(bais)) {
+                ZipInputStream zis = ZipSecurity.createHardenedInputStream(bais)) {

            ZipEntry entry;
            while ((entry = zis.getNextEntry()) != null) {
--- a/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java
@@ -42,6 +42,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -74,7 +75,7 @@ public class CertSignController {
    @Operation(
            summary = "Sign PDF with a Digital Certificate",
            description =
-                    "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF Type:MF-SISO")
+                    "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF Type:SISO")
    public ResponseEntity<byte[]> signPDFWithCert(@ModelAttribute SignPDFWithCertRequest request)
            throws Exception {
        MultipartFile pdf = request.getFileInput();
@@ -123,7 +124,9 @@ public class CertSignController {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        sign(pdf.getBytes(), baos, createSignature, name, location, reason);
        return WebResponseUtils.boasToWebResponse(
-                baos, pdf.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_signed.pdf");
+                baos,
+                Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_signed.pdf");
    }

    private static void sign(
--- a/src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java
@@ -15,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -43,7 +44,8 @@ public class PasswordController {
        document.setAllSecurityToBeRemoved(true);
        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                        + "_password_removed.pdf");
    }

@@ -88,10 +90,13 @@ public class PasswordController {
        if ("".equals(ownerPassword) && "".equals(password))
            return WebResponseUtils.pdfDocToWebResponse(
                    document,
-                    fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                            + "_permissions.pdf");
        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                fileInput.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_passworded.pdf");
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_passworded.pdf");
    }
 }
--- a/src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java
@@ -25,6 +25,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -104,7 +105,8 @@ public class RedactController {
        byte[] pdfContent = baos.toByteArray();
        return WebResponseUtils.bytesToWebResponse(
                pdfContent,
-                file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_redacted.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_redacted.pdf");
    }

    private void redactFoundText(
--- a/src/main/java/stirling/software/SPDF/controller/api/security/SanitizeController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/SanitizeController.java
@@ -28,6 +28,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -76,7 +77,8 @@ public class SanitizeController {

            return WebResponseUtils.pdfDocToWebResponse(
                    document,
-                    inputFile.getOriginalFilename().replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                            + "_sanitized.pdf");
        }
    }
--- a/src/main/java/stirling/software/SPDF/controller/api/security/WatermarkController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/WatermarkController.java
@@ -6,6 +6,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;

 import javax.imageio.ImageIO;

@@ -30,6 +31,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;

+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

@@ -75,7 +77,7 @@ public class WatermarkController {
            graphicsState.setNonStrokingAlphaConstant(opacity);
            contentStream.setGraphicsStateParameters(graphicsState);

-            if (watermarkType.equalsIgnoreCase("text")) {
+            if ("text".equalsIgnoreCase(watermarkType)) {
                addTextWatermark(
                        contentStream,
                        watermarkText,
@@ -86,7 +88,7 @@ public class WatermarkController {
                        heightSpacer,
                        fontSize,
                        alphabet);
-            } else if (watermarkType.equalsIgnoreCase("image")) {
+            } else if ("image".equalsIgnoreCase(watermarkType)) {
                addImageWatermark(
                        contentStream,
                        watermarkImage,
@@ -104,7 +106,9 @@ public class WatermarkController {

        return WebResponseUtils.pdfDocToWebResponse(
                document,
-                pdfFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_watermarked.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_watermarked.pdf");
    }

    private void addTextWatermark(
@@ -139,10 +143,10 @@ public class WatermarkController {
                break;
        }

-        if (!resourceDir.equals("")) {
+        if (!"".equals(resourceDir)) {
            ClassPathResource classPathResource = new ClassPathResource(resourceDir);
            String fileExtension = resourceDir.substring(resourceDir.lastIndexOf("."));
-            File tempFile = File.createTempFile("NotoSansFont", fileExtension);
+            File tempFile = Files.createTempFile("NotoSansFont", fileExtension).toFile();
            try (InputStream is = classPathResource.getInputStream();
                    FileOutputStream os = new FileOutputStream(tempFile)) {
                IOUtils.copy(is, os);
@@ -155,9 +159,16 @@ public class WatermarkController {
        contentStream.setFont(font, fontSize);
        contentStream.setNonStrokingColor(Color.LIGHT_GRAY);

+        String[] textLines = watermarkText.split("\\\\n");
+        float maxLineWidth = 0;
+
+        for (int i = 0; i < textLines.length; ++i) {
+            maxLineWidth = Math.max(maxLineWidth, font.getStringWidth(textLines[i]));
+        }
+
        // Set size and location of text watermark
-        float watermarkWidth = widthSpacer + font.getStringWidth(watermarkText) * fontSize / 1000;
-        float watermarkHeight = heightSpacer + fontSize;
+        float watermarkWidth = widthSpacer + maxLineWidth * fontSize / 1000;
+        float watermarkHeight = heightSpacer + fontSize * textLines.length;
        float pageWidth = page.getMediaBox().getWidth();
        float pageHeight = page.getMediaBox().getHeight();
        int watermarkRows = (int) (pageHeight / watermarkHeight + 1);
@@ -172,7 +183,12 @@ public class WatermarkController {
                                (float) Math.toRadians(rotation),
                                j * watermarkWidth,
                                i * watermarkHeight));
-                contentStream.showText(watermarkText);
+
+                for (int k = 0; k < textLines.length; ++k) {
+                    contentStream.showText(textLines[k]);
+                    contentStream.newLineAtOffset(0, -fontSize);
+                }
+
                contentStream.endText();
            }
        }
--- a/src/main/java/stirling/software/SPDF/controller/web/AccountWebController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/AccountWebController.java
@@ -2,6 +2,7 @@ package stirling.software.SPDF.controller.web;

 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;

 import org.springframework.beans.factory.annotation.Autowired;
@@ -33,6 +34,8 @@ public class AccountWebController {
            return "redirect:/";
        }

+        model.addAttribute("currentPage", "login");
+
        if (request.getParameter("error") != null) {

            model.addAttribute("error", request.getParameter("error"));
@@ -53,6 +56,7 @@ public class AccountWebController {
    public String showAddUserForm(Model model, Authentication authentication) {
        List<User> allUsers = userRepository.findAll();
        Iterator<User> iterator = allUsers.iterator();
+        Map<String, String> roleDetails = Role.getAllRoleDetails();

        while (iterator.hasNext()) {
            User user = iterator.next();
@@ -60,6 +64,7 @@ public class AccountWebController {
                for (Authority authority : user.getAuthorities()) {
                    if (authority.getAuthority().equals(Role.INTERNAL_API_USER.getRoleId())) {
                        iterator.remove();
+                        roleDetails.remove(Role.INTERNAL_API_USER.getRoleId());
                        break; // Break out of the inner loop once the user is removed
                    }
                }
@@ -68,6 +73,7 @@ public class AccountWebController {

        model.addAttribute("users", allUsers);
        model.addAttribute("currentUsername", authentication.getName());
+        model.addAttribute("roleDetails", roleDetails);
        return "addUsers";
    }

@@ -112,6 +118,7 @@ public class AccountWebController {
                model.addAttribute("role", user.get().getRolesAsString());
                model.addAttribute("settings", settingsJson);
                model.addAttribute("changeCredsFlag", user.get().isFirstLogin());
+                model.addAttribute("currentPage", "account");
            }
        } else {
            return "redirect:/";
--- a/src/main/java/stirling/software/SPDF/controller/web/ConverterWebController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/ConverterWebController.java
@@ -13,7 +13,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
@Tag(name = "Convert", description = "Convert APIs")
 public class ConverterWebController {

-    @ConditionalOnExpression("#{bookFormatsInstalled}")
+    @ConditionalOnExpression("#{bookAndHtmlFormatsInstalled}")
    @GetMapping("/book-to-pdf")
    @Hidden
    public String convertBookToPdfForm(Model model) {
@@ -21,7 +21,7 @@ public class ConverterWebController {
        return "convert/book-to-pdf";
    }

-    @ConditionalOnExpression("#{bookFormatsInstalled}")
+    @ConditionalOnExpression("#{bookAndHtmlFormatsInstalled}")
    @GetMapping("/pdf-to-book")
    @Hidden
    public String convertPdfToBookForm(Model model) {
--- a/src/main/java/stirling/software/SPDF/controller/web/MetricsController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/MetricsController.java
@@ -84,7 +84,7 @@ public class MetricsController {
            for (Meter meter : meterRegistry.getMeters()) {
                if (meter.getId().getName().equals("http.requests")) {
                    String method = meter.getId().getTag("method");
-                    if (method != null && method.equals("GET")) {
+                    if (method != null && "GET".equals(method)) {

                        if (endpoint.isPresent() && !endpoint.get().isBlank()) {
                            if (!endpoint.get().startsWith("/")) {
@@ -129,7 +129,7 @@ public class MetricsController {
            for (Meter meter : meterRegistry.getMeters()) {
                if (meter.getId().getName().equals("http.requests")) {
                    String method = meter.getId().getTag("method");
-                    if (method != null && method.equals("GET")) {
+                    if (method != null && "GET".equals(method)) {
                        String uri = meter.getId().getTag("uri");
                        if (uri != null) {
                            double currentCount = counts.getOrDefault(uri, 0.0);
@@ -197,7 +197,7 @@ public class MetricsController {
            for (Meter meter : meterRegistry.getMeters()) {
                if (meter.getId().getName().equals("http.requests")) {
                    String method = meter.getId().getTag("method");
-                    if (method != null && method.equals("POST")) {
+                    if (method != null && "POST".equals(method)) {
                        if (endpoint.isPresent() && !endpoint.get().isBlank()) {
                            if (!endpoint.get().startsWith("/")) {
                                endpoint = Optional.of("/" + endpoint.get());
@@ -235,7 +235,7 @@ public class MetricsController {
            for (Meter meter : meterRegistry.getMeters()) {
                if (meter.getId().getName().equals("http.requests")) {
                    String method = meter.getId().getTag("method");
-                    if (method != null && method.equals("POST")) {
+                    if (method != null && "POST".equals(method)) {
                        String uri = meter.getId().getTag("uri");
                        if (uri != null) {
                            double currentCount = counts.getOrDefault(uri, 0.0);
--- a/src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java
@@ -39,6 +39,13 @@ public class OtherWebController {
        return "misc/show-javascript";
    }

+    @GetMapping("/stamp")
+    @Hidden
+    public String stampForm(Model model) {
+        model.addAttribute("currentPage", "stamp");
+        return "misc/stamp";
+    }
+
    @GetMapping("/add-page-numbers")
    @Hidden
    public String addPageNumbersForm(Model model) {
@@ -75,7 +82,7 @@ public class OtherWebController {
    }

    public List<String> getAvailableTesseractLanguages() {
-        String tessdataDir = "/usr/share/tesseract-ocr/5/tessdata";
+        String tessdataDir = "/usr/share/tessdata";
        File[] files = new File(tessdataDir).listFiles();
        if (files == null) {
            return Collections.emptyList();
--- a/src/main/java/stirling/software/SPDF/model/ApplicationProperties.java
+++ b/src/main/java/stirling/software/SPDF/model/ApplicationProperties.java
@@ -210,7 +210,6 @@ public class ApplicationProperties {
        private String rootURIPath;
        private String customStaticFilePath;
        private Integer maxFileSize;
-        private CustomApplications customApplications;

        private Boolean enableAlphaFunctionality;

@@ -262,14 +261,6 @@ public class ApplicationProperties {
            this.maxFileSize = maxFileSize;
        }

-        public CustomApplications getCustomApplications() {
-            return customApplications != null ? customApplications : new CustomApplications();
-        }
-
-        public void setCustomApplications(CustomApplications customApplications) {
-            this.customApplications = customApplications;
-        }
-
        @Override
        public String toString() {
            return "System [defaultLocale="
@@ -282,42 +273,10 @@ public class ApplicationProperties {
                    + customStaticFilePath
                    + ", maxFileSize="
                    + maxFileSize
-                    + ", customApplications="
-                    + customApplications
                    + ", enableAlphaFunctionality="
                    + enableAlphaFunctionality
                    + "]";
        }
-
-        public static class CustomApplications {
-            private boolean installBookFormats;
-            private boolean installAdvancedHtmlToPDF;
-
-            public boolean isInstallBookFormats() {
-                return installBookFormats;
-            }
-
-            public void setInstallBookFormats(boolean installBookFormats) {
-                this.installBookFormats = installBookFormats;
-            }
-
-            public boolean isInstallAdvancedHtmlToPDF() {
-                return installAdvancedHtmlToPDF;
-            }
-
-            public void setInstallAdvancedHtmlToPDF(boolean installAdvancedHtmlToPDF) {
-                this.installAdvancedHtmlToPDF = installAdvancedHtmlToPDF;
-            }
-
-            @Override
-            public String toString() {
-                return "CustomApplications [installBookFormats="
-                        + installBookFormats
-                        + ", installAdvancedHtmlToPDF="
-                        + installAdvancedHtmlToPDF
-                        + "]";
-            }
-        }
    }

    public static class Ui {
--- a/src/main/java/stirling/software/SPDF/model/Role.java
+++ b/src/main/java/stirling/software/SPDF/model/Role.java
@@ -1,34 +1,43 @@
 package stirling.software.SPDF.model;

+import java.util.LinkedHashMap;
+import java.util.Map;
+
 public enum Role {

    // Unlimited access
-    ADMIN("ROLE_ADMIN", Integer.MAX_VALUE, Integer.MAX_VALUE),
+    ADMIN("ROLE_ADMIN", Integer.MAX_VALUE, Integer.MAX_VALUE, "adminUserSettings.admin"),

    // Unlimited access
-    USER("ROLE_USER", Integer.MAX_VALUE, Integer.MAX_VALUE),
+    USER("ROLE_USER", Integer.MAX_VALUE, Integer.MAX_VALUE, "adminUserSettings.user"),

    // 40 API calls Per Day, 40 web calls
-    LIMITED_API_USER("ROLE_LIMITED_API_USER", 40, 40),
+    LIMITED_API_USER("ROLE_LIMITED_API_USER", 40, 40, "adminUserSettings.apiUser"),

    // 20 API calls Per Day, 20 web calls
-    EXTRA_LIMITED_API_USER("ROLE_EXTRA_LIMITED_API_USER", 20, 20),
+    EXTRA_LIMITED_API_USER("ROLE_EXTRA_LIMITED_API_USER", 20, 20, "adminUserSettings.extraApiUser"),

    // 0 API calls per day and 20 web calls
-    WEB_ONLY_USER("ROLE_WEB_ONLY_USER", 0, 20),
+    WEB_ONLY_USER("ROLE_WEB_ONLY_USER", 0, 20, "adminUserSettings.webOnlyUser"),

-    INTERNAL_API_USER("STIRLING-PDF-BACKEND-API-USER", Integer.MAX_VALUE, Integer.MAX_VALUE),
+    INTERNAL_API_USER(
+            "STIRLING-PDF-BACKEND-API-USER",
+            Integer.MAX_VALUE,
+            Integer.MAX_VALUE,
+            "adminUserSettings.internalApiUser"),

-    DEMO_USER("ROLE_DEMO_USER", 100, 100);
+    DEMO_USER("ROLE_DEMO_USER", 100, 100, "adminUserSettings.demoUser");

    private final String roleId;
    private final int apiCallsPerDay;
    private final int webCallsPerDay;
+    private final String roleName;

-    Role(String roleId, int apiCallsPerDay, int webCallsPerDay) {
+    Role(String roleId, int apiCallsPerDay, int webCallsPerDay, String roleName) {
        this.roleId = roleId;
        this.apiCallsPerDay = apiCallsPerDay;
        this.webCallsPerDay = webCallsPerDay;
+        this.roleName = roleName;
    }

    public String getRoleId() {
@@ -43,6 +52,27 @@ public enum Role {
        return webCallsPerDay;
    }

+    public String getRoleName() {
+        return roleName;
+    }
+
+    public static String getRoleNameByRoleId(String roleId) {
+        // Using the fromString method to get the Role enum based on the roleId
+        Role role = fromString(roleId);
+        // Return the roleName of the found Role enum
+        return role.getRoleName();
+    }
+
+    // Method to retrieve all role IDs and role names
+    public static Map<String, String> getAllRoleDetails() {
+        // Using LinkedHashMap to preserve order
+        Map<String, String> roleDetails = new LinkedHashMap<>();
+        for (Role role : Role.values()) {
+            roleDetails.put(role.getRoleId(), role.getRoleName());
+        }
+        return roleDetails;
+    }
+
    public static Role fromString(String roleId) {
        for (Role role : Role.values()) {
            if (role.getRoleId().equalsIgnoreCase(roleId)) {
--- a/src/main/java/stirling/software/SPDF/model/User.java
+++ b/src/main/java/stirling/software/SPDF/model/User.java
@@ -44,6 +44,9 @@ public class User {
    @Column(name = "isFirstLogin")
    private Boolean isFirstLogin = false;

+    @Column(name = "roleName")
+    private String roleName;
+
    @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL, mappedBy = "user")
    private Set<Authority> authorities = new HashSet<>();

@@ -53,6 +56,10 @@ public class User {
    @CollectionTable(name = "user_settings", joinColumns = @JoinColumn(name = "user_id"))
    private Map<String, String> settings = new HashMap<>(); // Key-value pairs of settings.

+    public String getRoleName() {
+        return Role.getRoleNameByRoleId(getRolesAsString());
+    }
+
    public boolean isFirstLogin() {
        return isFirstLogin != null && isFirstLogin;
    }
--- a/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java
@@ -25,7 +25,7 @@ public class PDFWithPageNums extends PDFFile {
    private String pageNumbers;

    @Hidden
-    public List<Integer> getPageNumbersList() {
+    public List<Integer> getPageNumbersList(boolean zeroCount) {
        int pageCount = 0;
        try {
            pageCount = Loader.loadPDF(getFileInput().getBytes()).getNumberOfPages();
@@ -33,13 +33,13 @@ public class PDFWithPageNums extends PDFFile {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
-        return GeneralUtils.parsePageString(pageNumbers, pageCount);
+        return GeneralUtils.parsePageString(pageNumbers, pageCount, zeroCount);
    }

    @Hidden
-    public List<Integer> getPageNumbersList(PDDocument doc) {
+    public List<Integer> getPageNumbersList(PDDocument doc, boolean zeroCount) {
        int pageCount = 0;
        pageCount = doc.getNumberOfPages();
-        return GeneralUtils.parsePageString(pageNumbers, pageCount);
+        return GeneralUtils.parsePageString(pageNumbers, pageCount, zeroCount);
    }
 }
--- a/src/main/java/stirling/software/SPDF/model/api/SplitPdfBySectionsRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/SplitPdfBySectionsRequest.java
@@ -15,4 +15,7 @@ public class SplitPdfBySectionsRequest extends PDFFile {

    @Schema(description = "Number of vertical divisions for each PDF page", example = "2")
    private int verticalDivisions;
+
+    @Schema(description = "Merge the split documents into a single PDF", example = "true")
+    private boolean merge;
 }
--- a/src/main/java/stirling/software/SPDF/model/api/converters/HTMLToPdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/HTMLToPdfRequest.java
@@ -0,0 +1,17 @@
+package stirling.software.SPDF.model.api.converters;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class HTMLToPdfRequest extends PDFFile {
+
+    @Schema(
+            description = "Zoom level for displaying the website. Default is '1'.",
+            defaultValue = "1")
+    private float zoom;
+}
--- a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java
@@ -12,6 +12,6 @@ public class PdfToTextOrRTFRequest extends PDFFile {

    @Schema(
            description = "The output Text or RTF format",
-            allowableValues = {"rtf", "txt:Text"})
+            allowableValues = {"rtf", "txt"})
    private String outputFormat;
 }
--- a/Show More
+++ b/Show More