FROM debian:buster

ARG USERNAME
ARG HOST_IP
ARG SLBR_PORT
ARG INFO_PORT
ARG LOG_PORT
ARG SSHD_PORT

RUN (test -n "$USERNAME" || (echo "USERNAME not set" && false)) \
    && (test -n "$SLBR_PORT" || (echo "SLBR_PORT not set" && false)) \
    && (test -n "$INFO_PORT" || (echo "INFO_PORT not set" && false)) \
    && (test -n "$LOG_PORT" || (echo "LOG_PORT not set" && false)) \
    && (test -n "$HOST_IP" || (echo "HOST_IP not set" && false))

COPY --chown=root ./suicidebash.bashrc /etc/bash.bashrc
COPY --chown=root ./slbr.env /etc
COPY --chown=root ./package.list /package.list
COPY --chown=root ./insults.txt /insults.txt

COPY ./bin/scores /usr/local/bin/
COPY ./bin/submit /usr/local/bin/
COPY ./banner /etc/motd
COPY ./pubkey /pubkey

RUN apt remove bash-completion \
    && rm -rf /usr/share/bash-completion

RUN apt update \
    && apt install -y $(cat /package.list) \
    && apt -y remove nano \
    && rm /package.list \
    && rm /bin/grep \
    && rm /bin/tar

RUN sed -i "s/{{ HOST_IP }}/$HOST_IP/g" /etc/bash.bashrc /usr/local/bin/scores /usr/local/bin/submit \
    && sed -i "s/{{ SLBR_PORT }}/$SLBR_PORT/g" /etc/bash.bashrc /usr/local/bin/scores /usr/local/bin/submit \
    && sed -i "s/{{ INFO_PORT }}/$INFO_PORT/g" /etc/bash.bashrc /usr/local/bin/scores /usr/local/bin/submit \
    && sed -i "s/{{ LOG_PORT }}/$LOG_PORT/g" /etc/bash.bashrc /usr/local/bin/scores /usr/local/bin/submit \
    && mkdir /home/$USERNAME \
    && mkdir /run/sshd \
    && mkdir /home/$USERNAME/.ssh \
    && cat /pubkey > /home/$USERNAME/.ssh/authorized_keys \
    && rm /pubkey \
    && echo "PasswordAuthentication no" >> /etc/ssh/sshd_config \
    && echo "Port $SSHD_PORT" >> /etc/ssh/sshd_config

COPY ./inhere /home/$USERNAME/inhere
COPY ./rules.md /home/$USERNAME

RUN useradd $USERNAME -d /home/$USERNAME \
    && chown -R $USERNAME:$USERNAME /home/$USERNAME \
    && chmod -R +x /usr/local/bin/ \
    && chsh $USERNAME -s /bin/bash

#USER $USERNAME

CMD ["/usr/sbin/sshd", "-D"]