FROM kalilinux/kali-rolling

USER root

# Install necessary packages
RUN apt update && apt install -y \
    xfce4 xfce4-terminal tightvncserver websockify curl wget net-tools \
    && apt clean

# Download and set up noVNC (stable version)
RUN mkdir -p /home/kaliuser/novnc && \
    wget -qO- https://github.com/novnc/noVNC/archive/refs/tags/v1.4.0.tar.gz | \
    tar xz --strip-components=1 -C /home/kaliuser/novnc

# Create a non-root user
RUN useradd -m -s /bin/bash kaliuser && \
    echo "kaliuser:kaliuser" | chpasswd && \
    mkdir -p /home/kaliuser/.vnc && \
    echo "password" | vncpasswd -f > /home/kaliuser/.vnc/passwd && \
    chmod 600 /home/kaliuser/.vnc/passwd && \
    echo "exec startxfce4" > /home/kaliuser/.vnc/xstartup && \
    chmod +x /home/kaliuser/.vnc/xstartup && \
    chown -R kaliuser:kaliuser /home/kaliuser

USER kaliuser
ENV USER=kaliuser
ENV HOME=/home/kaliuser
WORKDIR /home/kaliuser

EXPOSE 7860

CMD ["bash", "-c", "tightvncserver :1 && websockify --web=/home/kaliuser/novnc 7860 localhost:5901"]