FROM debian

ENV TOR_VERSION=13.5.1
# Via https://dist.torproject.org/torbrowser/$TOR_VERSION/sha256sums-signed-build.txt
ENV SHA256_CHECKSUM=d53c712d68cd77add4c620aa4d68ea6b9ba9ade3ab857e0c68c0f03c4108ca8a
ENV RELEASE_FILE=tor-browser-linux-x86_64-${TOR_VERSION}.tar.xz
ENV RELEASE_KEY=0x4E2C6E8793298290
ENV RELEASE_URL=https://dist.torproject.org/torbrowser/${TOR_VERSION}/${RELEASE_FILE}
ENV PATH=$PATH:/usr/local/bin/Browser

RUN apt-get update && \
    apt-get install -y \
      ca-certificates \
      curl \
      file \
      gpg \
      libx11-xcb1 \
      libasound2 \
      libdbus-glib-1-2 \
      libgtk-3-0 \
      libxrender1 \
      libxt6 \
      xz-utils && \
    rm -rf /var/lib/apt/lists/* && \
    useradd --create-home --home-dir /home/user user && \
    chown -R user:user /home/user

WORKDIR /usr/local/bin
# TODO(hkjn): Stop having gpg import key command separate layer, if we
# can figure out why it's flaky and commonly gives "keys: key
# 4E2C6E8793298290 can't be retrieved, gpg: no valid OpenPGP data
# found."
RUN gpg --keyserver keys.openpgp.org --recv-keys ${RELEASE_KEY}

RUN curl --fail -O -sSL ${RELEASE_URL} && \
    curl --fail -O -sSL ${RELEASE_URL}.asc && \
    gpgv --keyring /root/.gnupg/pubring.kbx ./${RELEASE_FILE}.asc ${RELEASE_FILE} && \
    echo "$SHA256_CHECKSUM $RELEASE_FILE" > sha256sums.txt && \
    sha256sum -c sha256sums.txt && \
    tar --strip-components=1 -vxJf ${RELEASE_FILE} && \
    rm -v ${RELEASE_FILE}* sha256sums.txt && \
    mkdir -p /usr/local/bin/Browser/Downloads && \
    chown -R user:user /usr/local/bin

WORKDIR /usr/local/bin/Browser/Downloads
USER user

COPY ["start", "/usr/local/bin/"]
ENTRYPOINT ["start"]
CMD [""]